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NovavaxAKEBIA THERAPEUTICS, INC. FORM 10-K (Annual Report) Filed 03/14/16 for the Period Ending 12/31/15 Address Telephone CIK Symbol SIC Code Fiscal Year 245 FIRST STREET SUITE 1100 CAMBRIDGE, MA 02142 617-871-2098 0001517022 AKBA 2834 - Pharmaceutical Preparations 12/31 http://www.edgar-online.com © Copyright 2016, EDGAR Online, Inc. All Rights Reserved. Distribution and use of this document restricted under EDGAR Online, Inc. Terms of Use. UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549 FORM 10-K (Mark One)xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31, 2015OR¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITIONPERIOD FROM TO Commission File Number 001-36352 AKEBIA THERAPEUTICS, INC.(Exact name of Registrant as specified in its Charter) Delaware 20-8756903(State or other jurisdiction ofincorporation or organization) (I.R.S. Employer Identification No.) 245 First Street, Suite 1100, Cambridge, MA 02142(Address of principal executive offices) (Zip Code)Registrant’s telephone number, including area code: (617) 871-2098 Securities registered pursuant to Section 12(b) of the Act: Common Stock, Par Value $0.00001 Per Share; Common stock traded on the NASDAQ Global MarketSecurities registered pursuant to Section 12(g) of the Act: NoneIndicate by check mark if the Registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. YES ¨ NO xIndicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. YES ¨ NO xIndicate by check mark whether the Registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 duringthe preceding 12 months (or for such shorter period that the Registrant was required to file such reports), and (2) has been subject to such filing requirements for thepast 90 days. YES x NO ¨Indicate by check mark whether the Registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to besubmitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theRegistrant was required to submit and post such files). YES x NO ¨Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405) is not contained herein, and will not be contained, tothe best of Registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to thisForm 10-K. x Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See thedefinition of “large accelerated filer”, “accelerated filer”, and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one): Large accelerated filer ¨ Accelerated filer x Non-accelerated filer ¨ (Do not check if a smaller reporting company) Smaller reporting company ¨Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). YES ¨ NO xThe aggregate market value of the voting and non-voting common equity held by non-affiliates of the Registrant, based on the closing price of the shares ofcommon stock on The NASDAQ Stock Market on June 30, 2015, was $259,927,754.The number of shares of Registrant’s Common Stock outstanding as of March 1, 2016 was 37,942,946.DOCUMENTS INCORPORATED BY REFERENCEPortions of the definitive proxy statement for our 2016 Annual Meeting of Stockholders scheduled to be held June 16, 2016 are incorporated by reference intoPart III of this annual report on Form 10-K. TABLE OF CONTENTS Page No.PART I 3 Item 1. Business3 Item 1A. Risk Factors32 Item 1B. Unresolved Staff Comments56 Item 2. Properties56 Item 3. Legal Proceedings56 Item 4. Mine Safety Disclosures57 PART II 58 Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities58 Item 6. Selected Financial Data61 Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations62 Item 7A. Quantitative and Qualitative Disclosures about Market Risk74 Item 8. Financial Statements and Supplementary Data75 Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure100 Item 9A. Controls and Procedures100 Item 9B. Other Information100 PART III 101 Item 10. Director, Executive Officers and Corporate Governance101 Item 11. Executive Compensation102 Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters102 Item 13. Certain Relationships and Related Person Transactions, and Director Independence102 Item 14. Principal Accountant Fees and Services102 PART IV 103 Item 15. Exhibits and Financial Statement Schedules103 SIGNATURES104 NOTE REGARDING FORWARD-LOOKING STATEMENTSThis Annual Report on Form 10-K contains forward-looking statements that are being made pursuant to the safe harbor provisions of the Private SecuritiesLitigation Reform Act of 1995, or PSLRA, with the intention of obtaining the benefits of the “safe harbor” provisions of the PSLRA. Forward-looking statementsinvolve risks and uncertainties. All statements other than statements of historical facts contained in this Annual Report on Form 10-K are forward-lookingstatements. In some cases, you can identify forward-looking statements by words such as “anticipate,” “believe,” “contemplate,” “continue,” “could,” “estimate,”“expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “seek,” “should,” “target,” “will,” “would,” or the negative of these words or other comparableterminology. These forward-looking statements include, but are not limited to, statements about: ·the projected timing of (1) commencement of our Phase 3 development program in dialysis patients with anemia related to CKD and full enrollmentof such program, (2) initiation of a clinical study of vadadustat in hyporesponsive dialysis-dependent patients, (3) submission of an NDA and anMAA for vadadustat, and (4) commencement of clinical development of AKB-6899 in oncology; ·the projected costs and size of our Phase 3 development program for vadadustat; ·our development plans with respect to vadadustat and AKB-6899; ·the timing or likelihood of regulatory filings and approvals, including any required post-marketing testing or any labeling and other restrictions; ·our business development plans, including our plans to engage collaborators to commercialize vadadustat and to diversify our pipeline by acquiringadditional products; ·our plans to commercialize vadadustat, if it is approved; ·the implementation of our business model and strategic plans for our business, product candidates and technology; ·our commercialization, marketing and manufacturing capabilities and strategy; ·the implementation of our business model and strategic plans for our business, product candidates and technology; ·our commercialization, marketing and manufacturing capabilities and strategy; ·our competitive position; ·our intellectual property position; ·developments and projections relating to our competitors and our industry; ·our estimates regarding expenses, future revenue, capital requirements and needs for additional financing; and ·other risks and uncertainties, including those listed under Part I, Item 1A. Risk Factors.All forward-looking statements in this Annual Report on Form 10-K involve known and unknown risks, uncertainties and other factors that may cause ouractual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by these forward-looking statements. Factors that may cause actual results to differ materially from current expectations include, among other things, those listed under Part I,Item 1A. Risk Factors and elsewhere in this Annual Report on Form 10-K. Given these uncertainties, you should not place undue reliance on these forward-lookingstatements. Except as required by law, we assume no obligation to update or revise these forward-looking statements for any reason, even if new informationbecomes available in the future.This Annual Report on Form 10-K also contains estimates, projections and other information concerning our industry, our business, and the markets forcertain diseases, including data regarding the estimated size of those markets, and the incidence and prevalence of certain medical conditions. Information that isbased on estimates, forecasts, projections, market research or similar methodologies is inherently subject to uncertainties and actual events or circumstances maydiffer materially from events and circumstances reflected in this information. Unless otherwise expressly stated, we obtained this industry, business, market andother data from reports, research surveys, studies and similar data prepared by market research firms and other third parties, industry, medical and generalpublications, government data and similar sources. 2 P ART I Ite m 1.BusinessOverviewIncorporated in Delaware in 2007, we are a biopharmaceutical company focused on the development of novel proprietary therapeutics based on hypoxia induciblefactor, or HIF, biology and the commercialization of these products for patients with serious unmet medical needs. HIF is the primary regulator of the production ofred blood cells, or RBCs, in the body and a potentially novel mechanism for the treatment of anemia secondary to chronic kidney disease, or CKD. Pharmacologicmodulation of the HIF pathway may also have broader therapeutic applications in acute renal failure, organ protection, ischemia-reperfusion injury, cancer,ophthalmology, and inflammatory diseases.Anemia is a serious medical condition in which blood is deficient in RBCs and hemoglobin, each of which is critical in delivering oxygen to tissue. Anemiagenerally exists when hemoglobin, a protein in RBCs that carries oxygen, is less than 13 g/dL in men or 12 g/dL in women. Untreated anemia is associated withchronic fatigue, increased risk of progression of multiple diseases and death. Anemia is common in patients with CKD, cancer, heart failure, inflammatory diseasesand other critical illnesses, as well as in the elderly.More than 30 million people in the United States have CKD, with estimates that over 1.8 million of these patients suffer from anemia. Anemia from theseindications is currently treated by injectable recombinant erythropoiesis-stimulating agents, or rESAs,—including Epogen ® , Procrit ® and Aranesp ® — with ironsupplementation or RBC transfusion. Based on the reported revenues of companies that market and sell rESAs, we estimate that global sales of injectable rESAswere $7.0 billion in 2014; the vast majority of which were for renal indications.rESAs are designed to stimulate production of RBCs by binding directly to and saturating erythropoietin, or EPO, receptors. While injectable rESAs andtransfusions may be effective in raising hemoglobin levels, they carry significant potential side effects and need to be delivered subcutaneously or intravenously. Inparticular, injectable rESAs may lead to thrombosis, stroke, myocardial infarction and death. These risks are described in black box warnings on the prescribinginformation of all products marketed in this class. These safety concerns, which became evident starting in 2006, have led to a significant reduction in the use ofinjectable rESAs. Today, anemia is either not treated or inadequately treated in the majority of non-dialysis dependent CKD patients. As a result, we believe that asafe, effective, oral therapeutic option will take significant market share and meaningfully grow the market in patients not requiring dialysis.Given the burdens of the current standard of care and costs associated with administering an injectable rESA, we believe our lead product candidate, vadadustat,formerly known as AKB-6548, is a promising cost-effective alternative for the treatment of anemia in CKD. Vadadustat is being developed as a once-daily, oraltherapy and has successfully completed Phase 2 development demonstrating that vadadustat can safely and predictably raise hemoglobin levels in patients withanemia related to CKD. Vadadustat works by a differentiated mechanism of action that we believe has the potential to be safer than that of injectable rESAs andmay offer additional beneficial therapeutics effects beyond anemia including delaying CKD progression. This novel mechanism of action is referred to as HIFprolyl-hydroxylase, or HIF-PH, inhibition. Instead of binding directly to the EPO receptors on cells in the bone marrow, vadadustat leads to activation of criticalpathways for hemoglobin and RBC production. This approach mimics the physiological adjustment made by the body when exposed to reduced oxygen levels athigher altitudes.We recently commenced Phase 3 development of vadadustat in non-dialysis patients. Positive results from our Phase 2b study in non-dialysis CKD patientsdemonstrated that vadadustat raised hemoglobin levels with no safety signal observed. In December 2015, we began dosing patients in our Phase 3 vadadustatprogram in non-dialysis patients with anemia related to CKD, PRO 2 TECT, after obtaining feedback from United States and European regulatory authoritiesregarding the design of the program. If the results from the PRO 2 TECT program support the results observed across our previous clinical studies, including 29,000days of patient exposure, we anticipate submitting a New Drug Application, or NDA, to the United States Food and Drug Administration, or FDA, for vadadustat in2019.We have also completed a Phase 2 study of vadadustat for the treatment of anemia in patients undergoing dialysis, which found that vadadustat, dosed either oncedaily or three times per week, maintained stable hemoglobin levels following conversion from rESA therapy with no safety signal observed. We expect to initiateour Phase 3 vadadustat program in dialysis-dependent CKD patients, INNO 2 VATE, in 2016, anticipating full enrollment by early 2018.3 We have engaged Quintiles, Inc., or Quintiles, as our primary clinical res earch organization, or CRO, for the PRO 2 TECT and INNO 2 VATE programs. Weexpect the cost of the Phase 3 program to be in the range of $80,000 to $85,000 per patient and we plan to enroll approximately 3,100 patients in the PRO 2 TECTprogram and approximately 2,600 patients in the INNO 2 VATE program.A subset of dialysis-dependent CKD patients have shown an inadequate hemoglobin response despite receiving high doses of rESAs. Previous studies have shownthat rESA hyporesponsiveness is associated with poor clinical outcomes including increased mortality risk. By increasing iron mobilization, in addition toincreasing erythropoietin levels, vadadustat may allow for a more consistent hemoglobin response in these patients. We expect to generate clinical data inhyporesponsive dialysis-dependent patients by 2017.If approved by regulatory authorities, we plan to commercialize vadadustat in the United States for the treatment of anemia in patients with CKD. These patientsare primarily treated by approximately 7,000 nephrologists, and we believe we can reach most of this market with a specialty sales force of approximately 125people. In Japan and certain other Asian countries, we plan to commercialize vadadustat through our recently announced collaboration with Mitsubishi TanabePharma Corporation, or Mitsubishi Tanabe. We intend to seek one or more collaborators to commercialize vadadustat in additional markets. Our second clinical candidate, AKB-6899, is designed as a small molecule HIF-PH inhibitor with potential therapeutic benefit in oncology and ophthalmology.AKB-6899 has demonstrated the ability in vitro to reduce vascular endothelial growth factor, or VEGF, levels in the presence of hypoxia. In several preclinicalmouse models, AKB-6899 has been active in reducing tumor growth and development of metastases. We opened an Investigational New Drug application, or IND,with the FDA at the end of 2015. We expect to commence clinical development of AKB-6899 in 2016 and anticipate completion of the Phase 1 study in oncologyin late 2017.We are led by a team of experienced biopharmaceutical executives with a background in developing and commercializing drugs for the treatment of renal andmetabolic disorders. John P. Butler, our CEO, was previously President of Genzyme Corporation’s renal division which grew to over $1 billion in annual revenueunder his leadership, and was Chairman of the Board of the American Kidney Fund, the leading patient advocacy organization for kidney disease patients. Earlierin his career, Mr. Butler held sales and marketing positions at Amgen, working on the early commercial launch of injectable rESAs in the renal anemia market.Our StrategyOur strategy is to develop and deliver novel therapeutics for patients based on HIF biology, beginning with vadadustat for patients with anemia secondary to CKD.The key elements of our strategy are to: ·Complete the development of vadadustat for anemia secondary to CKD . We initiated our PRO 2 TECT program in 2015, and expect to initiate theINNO 2 VATE program in 2016. ·Obtain regulatory approval of vadadustat for anemia secondary to CKD in the United States, Europe and other markets . We anticipatesubmitting an NDA in the United States and MAA in Europe for vadadustat by the end of 2019 if the Phase 3 data are favorable. ·Commercialize vadadustat in the United States and other territories . We will establish a specialty sales and marketing organization tocommercialize vadadustat in the United States. In Japan and certain other Asian countries, we plan to commercialize vadadustat through ourcollaboration with Mitsubishi Tanabe. We intend to seek one or more collaborators to commercialize vadadustat in additional markets. ·Advance AKB-6899 into clinical development. We plan to commence clinical development of AKB-6899, a second HIF-PH inhibitor productcandidate, with potential therapeutic benefit in oncology and ophthalmology. ·Diversify our pipeline in kidney disease and other HIF-modulated diseases. We expect to grow our pipeline organically and through in-licensing oracquisitions. Reflecting our strategic strengths in both HIF biology and renal disease, we plan to develop therapeutics for the treatment of renalconditions managed by nephrologists, and medical conditions that can be treated or prevented through HIF modulation.4 Our Product CandidatesThe following chart depicts our HIF-based product candidates, their indications and their current development. Anemia OverviewAnemia is a serious medical condition in which blood is deficient in RBCs and hemoglobin, leading to inadequate oxygen delivery to tissues and cells throughoutthe body. RBCs are normally formed in the bone marrow from precursor or progenitor cells. EPO, a hormonal factor primarily produced in the kidney and liver,binds to and activates the EPO receptor on these precursor cells. The activation of the EPO receptor stimulates these cells to divide, differentiate into RBCs thatcontain hemoglobin, and mobilize into circulation. Hemoglobin is an iron-containing protein in RBCs that transports oxygen to the tissues of the body.Anemia generally exists when hemoglobin is less than 13 g/dL in men and 12 g/dL in women. Anemia is common in patients with CKD, cancer, heart failure,inflammatory diseases and other critical illnesses, as well as in the elderly. Untreated anemia is associated with chronic fatigue, increased risk of progression ofmultiple diseases and death. Increased morbidity (largely due to cardiovascular disease) and mortality are well recognized complications of anemia in patients withCKD. Successful treatment of anemia significantly improves patients’ quality of life and is associated with decreased cardiovascular morbidity, less frequenthospitalizations, and lower mortality risk.5 Chronic Kidney DiseaseCKD, a common cause of anemia, is a condition in which the kidneys are progressively damaged to the point that they cannot properly filter the blood circulatingin the body. This damage causes waste products to build up in the patient’s blood leading to other health problems, including anemia, cardiovascular and bonedisease. CKD patients are classified by the degree of their loss of kidney function as measured by the glomerular filtration rate, or GFR, and albuminuria, the levelof protein in urine. As illustrated in the table below, CKD affects more than 30 million people in the United States and the prevalence of anemia increases with theseverity of CKD. There are many causes of CKD, the most common of which are diabetes mellitus and hypertension. The prevalence and incidence of CKD is increasing in allsegments of the U.S. population, particularly in patients over 65. Risk factors for the development of CKD include concomitant diseases (hypertension, diabetesmellitus and cardiovascular disease), lifestyle factors (tobacco use and inactivity), family history, aging, and prenatal factors (maternal diabetes mellitus, low birthweight and small-for-gestational-age status). According to a Lancet article published in May 2013, projected worldwide population changes suggest that thepotential number of cases of CKD, specifically end-stage, will increase disproportionately in developing countries, such as Japan, China and India, where thenumbers of elderly people are expanding. This effect will be enhanced further if the trends of increasing hypertension and diabetes prevalence persist, competingcauses of death—such as stroke and cardiovascular diseases—are reduced, and access to treatment does not improve.The prevalence and severity of anemia in CKD increases as renal function deteriorates. Three principal factors contribute to the development of anemia as CKDprogresses: ·Peritubular fibroblasts, a type of cell in the kidney, are designed to sense the amount of oxygen carried by the blood. These cells secrete EPO toadjust the production of RBCs and maintain circulating oxygen levels at normal physiologic levels. As kidney disease progresses, the number ofperitubular fibroblasts is reduced and EPO secretion is significantly decreased. This decline in EPO leads to a reduction in RBC production. ·CKD leads to a shorter average life span for RBCs (70 days) as compared to healthy individuals (90 to 120 days), requiring increased RBCproduction to keep RBC levels consistent with those of a healthy individual. ·The availability of iron to the bone marrow is impaired. Iron is a required component in the formation of hemoglobin, and is essential for thetransport of oxygen to the tissues of the body.As CKD progresses, the combined effect of decreased RBC production from lower EPO signaling, increased rate of RBC destruction, and reduced iron availabilityto the bone marrow results in the increased prevalence and severity of anemia.6 Current Treatments Leave a Substantial Unmet Need Injectable rESAs are currently the standard of care for treating anemia in patients with CKD and must be administered intravenously or subcutaneously along withiron supplements. Based on the reported revenues of companies that market and sell rESAs, we estimate that global sales of injectable rESAs were $7.0 billion in2014 , as compared to an estimated $12.0 billion in 2006. The 2013 revenues generated in the United States were an estimated $3.6 billion, the vast majority ofwhich were for renal indications . In 2006, data on the risks of rESA use among these patients started to become available, forcing physicians to balance serioussafety concerns against the efficacy of rESAs. The safety concerns with injectable rESA use include increased risk of cardiovascular disease as well as a potentiallyincreased rate of tumor progression in patients with cancer. We believe that the decline in market revenue since 2007 is a direct result of these increased safetyconcerns, as well as reimbursement pressures, and that an opportunity exists for a safer, well-tolerated alternative to replace injectable rESAs as the standard of carefor anemia secondary to CKD.As a result of the safety concerns related to rESA use, patients have been forced to live with lower hemoglobin levels, higher rates of transfusions, and moreintravenous iron, or IV iron, use. As a result of the increased use of IV iron and RBC transfusions, patients are also subject to safety risks related to thesealternative treatments to injectable rESAs. The risks of RBC transfusions include the development of antibodies to foreign antigens, which may negatively impactcandidacy for kidney transplantation, transmission of blood-borne pathogens, and iron overload with chronic transfusions. The risks of IV iron includehypersensitivity reactions, including fatal anaphylactic-type reactions.Currently, there is no scientific consensus regarding the cause of the adverse cardiovascular outcomes associated with the use of injectable rESAs to normalizehemoglobin levels. The results of the four major randomized, controlled clinical trials on the treatment of anemia secondary to CKD with rESAs and adjunctiveiron supplementation (Normal Hematocrit Trial/NHCT, CREATE, CHOIR and TREAT) all showed an increased risk of adverse cardiovascular outcomes. Theseresults were surprising at the time and contradicted the extensive body of data from observational studies that showed reduced mortality and improved healthoutcomes to be associated with higher hemoglobin levels.A number of critical post-hoc analyses of the data from randomized controlled clinical trials have shifted attention to the potential of dose-related toxicity ofinjectable rESAs in CKD patients as a contributing factor to the reported adverse cardiovascular outcomes, instead of the achieved hemoglobin levels. The graphsbelow highlight these findings. The first chart explores the relative risk of serious cardiovascular adverse events, including death, hospitalization for heart failure,stroke or myocardial infarction based upon the hemoglobin achieved during the study as well as the weekly injectable rESA dose. The data clearly show that therisk of adverse cardiovascular events was greatest in those patients receiving the highest injectable rESA doses, regardless of the hemoglobin level that wasachieved. 7 The second graph explores the probability of reaching one of several adverse events (death, stroke, heart failure or myocardial infarction) over time for twodifferent groups: ·patients who achieve the target hemoglobin level with a low injectable rESA dose, and ·patients who do not reach the target hemoglobin level, but receive a higher injectable rESA dose in an effort to reach the target level.Both graphs demonstrate that patients achieving higher hemoglobin levels on lower injectable rESA doses have better outcomes than patients receiving higherinjectable rESA doses despite lower achieved hemoglobin levels. Therefore, higher injectable rESA doses, not the achieved hemoglobin level, appears to be moststrongly correlated with adverse outcomes. The significant safety risks associated with rESAs are outlined in a black-box warning in their prescribing information. This warning arose from numerous eventshighlighting the safety concerns of injectable rESAs and the response by the FDA, as highlighted below. ·In 2007, as a result of concerns associated with administering injectable rESAs to target higher hemoglobin levels, the FDA required that revisedwarnings, including black-box warnings, be added to the labels of marketed injectable rESAs advising physicians to monitor hemoglobin levels anduse the lowest dose of injectable rESA, and increase the hemoglobin concentration to the lowest level sufficient to avoid the need for RBCtransfusions. ·In November 2007, the FDA found evidence that the use of injectable rESAs to increase hemoglobin to more than 12 g/dL can stimulate progressionof some cancers. As a result, injectable rESAs were required to contain black-box labeling for this risk. Following this change in labeling, the use ofinjectable rESAs in cancer patients has declined significantly. ·In late 2009, Amgen announced the results from the Trial to Reduce Cardiovascular Endpoints with Aranesp Therapy, or TREAT, its large,randomized, double-blind, placebo-controlled Phase 3 study of patients with CKD (not requiring dialysis), anemia and type 2 diabetes mellitus. Inthis study, Aranesp was used to treat anemia to a target hemoglobin level of 13 g/dL, which was higher than the 10 g/dL - 12 g/dL range previouslyapproved by the FDA in the label. Study results8 failed to show a benefit compared to the placebo control group with regard to composite of time to all-cause mortality or cardiovascular morbidity(including heart failure, heart attack, stroke, or hospitalization for myocardial ischemia) and composite of time to all-cause mortality or chron ic renalreplacement therapy. In addition, higher rates of stroke were reported among patients in the 13 g/dL target group compared to the placebo controlgroup. Finally, among a subgroup of patients with a history of cancer at baseline, a statistically si gnificant increase in deaths from cancer wasobserved in the Aranesp-treated patients compared to placebo-treated patients. ·In January 2010, FDA officials published an editorial in the New England Journal of Medicine noting that a number of randomized trials, includingTREAT, had attempted to show that using injectable rESAs to raise hemoglobin concentrations to higher targets improves clinical outcomes, butinstead suggested the opposite. Accordingly, the article indicated that more conservative hemoglobin targets (well below 12 g/dL), more frequenthemoglobin monitoring, and more cautious dosing should be evaluated. ·In February 2010, the FDA required that injectable rESAs be prescribed and used under a Risk Evaluation and Mitigation Strategy, or REMS, toensure the safe use of the drugs. As part of the REMS, a medication guide explaining the risks and benefits of injectable rESAs must be provided toall patients receiving injectable rESAs for all indications, and the FDA imposed reporting and monitoring obligations on the manufacturers to ensurecompliance. ·In June 2011, the FDA cited increased risks of cardiovascular events as a basis for more conservative dosing guidelines for use of injectable rESAsin CKD patients and announced related changes to injectable rESA labeling. The FDA removed the prior target hemoglobin range of 10-12 g/dL, andrecommended that CKD patients initiate treatment when the hemoglobin level is less than 10 g/dL and reduce or interrupt dosing if the hemoglobinlevel approaches or exceeds 10 g/dL for non-dialysis patients and 11 g/dL for dialysis patients. The FDA also required Amgen to conduct additionalclinical trials to explore dosing strategies to minimize hemoglobin variability, rates of change and excursions.We believe there is now substantial evidence to suggest that EPO level, not hemoglobin, is the cause of the safety issues in the above trials.Vadadustat as a Potential SolutionWe are developing our lead product candidate, vadadustat, to be a best-in-class HIF-PH inhibitor for the treatment of anemia secondary to CKD. Vadadustat maypotentially offer: ·Once-a-day therapy delivered orally; ·A dosing regimen that restores the normal diurnal EPO pattern; ·Robust pharmacodynamics and substantially lower peak EPO levels than with injectable rESAs; ·Predictable, meaningful and sustained improvements in hemoglobin levels; and ·Reduced administration of IV or oral iron supplementation to patients treated for anemia secondary to CKD.Novel Mechanism of Action, Which Mimics the Body’s Natural Physiologic ResponseVadadustat is designed to work by a mechanism of action that differs from injectable rESAs. This novel mechanism of action is referred to as HIF-PH inhibition.Instead of binding directly to and saturating the EPO receptors in the bone marrow for prolonged periods of time, HIF-PH inhibitors act by simulating the body’snatural response to anemia. HIF is the primary regulator of the production of RBCs and acts by simulating the body’s natural response to lower levels of oxygen, orhypoxia. In response to hypoxia, a coordinated adaptive response occurs resulting in both an increase in RBC production and enhancement of the delivery of ironto the bone marrow, ensuring the incorporation of iron into hemoglobin necessary for new RBC production. This is very similar to the natural adaptive responsethat is induced when a person ascends in altitude. At higher altitudes, lower levels of oxygen circulating in the blood stream lead to reduction in HIF-PH activitywhich increases intracellular levels of HIF a proteins (HIF1 a and HIF2 a ). Both HIF1 a and HIF2 a protein levels in cells are adjusted by the activity of the HIF-PH enzymes, which target the HIF a proteins for degradation. HIF1 a helpscells survive under very low oxygen conditions, whereas HIF2 a helps cells to adapt to modest changes in oxygen, such that would occur with a change in altitudefrom sea level to up to 7,500 feet.When HIF a is stabilized, it travels to the nucleus of the cell, where it binds to the protein HIFß. When bound together, they induce the production of EPO and irontransfer proteins. With continued stabilization of HIF a (either by staying at higher altitude or by the9 administration of a HIF-PH inhibitor), the level of hemoglobin and RBCs will rise in order to increase the amount of oxygen circulating in the blood.By inhibiting HIF-PH, vadadustat leads to increased production of hemoglobin and RBCs, while maintaining normal levels of EPO. In addition, we believe thatvadadustat’s mechanism of action provides for the ability to induce a more prominent HIF2 a response (as naturally occurs with a moderate increase in altitude),and restores the normal diurnal pattern of EPO, which is the normal rise and fall of EPO during the each day.This mechanism of action is illustrated in the graphic below. Potential Best-in-Class ProfileWe believe vadadustat has compelling clinical data demonstrating a potential best-in-class profile with several potential safety and efficacy advantages over currentinjectable rESA therapy for the treatment of anemia secondary to CKD. ·Vadadustat significantly increases and maintains hemoglobin levels in CKD patients with anemia. We have successfully completed twoPhase 2 trials in non-dialysis patients with CKD which demonstrated that vadadustat significantly increased hemoglobin levels. In the firststudy (CI-0005), vadadustat was shown to raise hemoglobin in a dose-dependent manner compared to baseline and across all treatment arms(p < 0.0001). In the second study (CI-0007), vadadustat effectively increased hemoglobin while minimizing hemoglobin excursions ³ 13.0 g/dL. Only 4.3% of patients on vadadustat had any hemoglobin excursion ³ 13.0 g/dL. In addition, a Phase 2 trial (CI-0011) in dialysispatients with CKD who were converted from existing ESA therapy to vadadustat demonstrated the desired outcome of maintaining stablehemoglobin levels.10 ·Vadadustat restores the normal diu rnal variation of EPO. Instead of binding directly to and saturating the EPO receptor for prolongedperiods, as is the case with current injectable ESA therapies, vadadustat acts by simulating the body’s natural response to hypoxia bystabilizing HIF a . Vad adustat allows for an enhancement in the normal diurnal variation in EPO without continuous elevation of EPOlevels. The approximate EPO exposures that are achieved with vadadustat compared with doses of Aranesp® and Epogen® is depicted in thegraph below . ·Oral, once-daily dosing . As demonstrated in non-dialysis CKD patients, vadadustat offers flexible once-daily oral dosing that provides amore gradual and reliable means of hemoglobin titration and maintenance. This was demonstrated in the Phase 2 clinical trial in dialysisdependent CKD patients, where vadadustat maintained stable hemoglobin levels in patients converting from ESA therapy. Vadadustat alsooffers improved convenience for patients as compared to injectable ESAs. This convenience may increase access to anemia therapy andimprove patient compliance. ·Improve mobilization of iron supply to the bone marrow for RBC production. In clinical trials, vadadustat has demonstrated improved ironmobilization and an increase in total iron binding capacity. As a result, unlike injectable rESAs which do not increase iron mobilization,vadadustat offers the added potential benefit of reducing the amount of supplemental iron required by anemic CKD patients. The potentialfor an IV iron sparing effect of vadadustat will be assessed in the INNO 2 VATE program. ·Differentiated safety profile. Vadadustat’s novel mechanism of action offers the potential opportunity to reduce the risk for cardiovascularand thrombotic events relative to injectable ESAs since CV risks have been associated with a supraphysiological increase in EPO levels andexcessive hemoglobin fluctuations and/or excursions. The incidence of cardiovascular adverse events on vadadustat as compared with ESAswill be assessed in the global Phase 3 program. Furthermore, the risk of pure red cell aplasia (PRCA) observed with recombinant ESAs is notexpected with vadadustat.Vadadustat Clinical Development OverviewAkebia is developing vadadustat as oral therapy for the treatment of anemia in CKD subjects who are not on dialysis and in subjects who are on dialysis. Asummary of completed and ongoing clinical and clinical pharmacokinetic studies is presented in Table 1.To date, the safety, tolerability, pharmacokinetic and pharmacodynamic responses of vadadustat have been demonstrated in: ·eight completed Phase 1 studies in healthy volunteers (CI‑0001, CI‑0002, CI‑0006, CI‑0008, CI‑0010, CI‑0012, CI‑0013, and CI-0019); ·one completed Phase 1 study in dialysis-dependent CKD subjects (CI‑0009); ·three completed Phase 2a studies in non-dialysis CKD subjects with GFR Categories G3-G5 CKD (CI‑0003, CI‑0004, and CI‑0005);11 ·one completed Phase 2b study in non-dialysis CKD subjects with GFR Categories G3-G5 CKD (CI ‑0007); and ·one completed Phase 2 study in dialysis-dependent CKD subjects (CI‑0011).In the 14 studies completed to date, 512 unique subjects have received vadadustat, including 164 healthy volunteers (male and female) and 348 subjects with CKD(242 with non-dialysis CKD with GFR categories G3a/b, G4, and G5 for up to 20 weeks and 106 subjects with dialysis-dependent CKD for up to 16 weeks). Atotal of more than 29,000 patient days of exposure to vadadustat has been accrued to date. The adverse effect, or AEs, most frequently reported with vadadustatand which occurred more frequently in subjects on vadadustat than in subjects on placebo have predominantly been nausea and diarrhea. Generally thesesymptoms have been mild to moderate in severity, non-serious, and resolved on vadadustat therapy, although they have led to discontinuation of vadadustat insome subjects.Early Clinical Studies (CI-0001 to CI-0004, and CI-0006):An IND was filed for vadadustat for the treatment of anemia associated with CKD on July 17, 2009. Under the IND, we may investigate vadadustat in subjects whoare not on dialysis and in subjects who are on dialysis. The early clinical studies (CI-0001 through CI-0004) for vadadustat were designed to demonstrate theefficacy and safety of the compound, starting in healthy male volunteers and progressing to CKD patients with anemia. In healthy males, we demonstrated thatvadadustat can be dosed daily, and that it induces the desired pharmacodynamics effect, specifically: -the induction of enhanced diurnal EPO secretion from a single dose; -an increase in new RBC production by day 5 of dosing; and -an increase in hemoglobin levels by day 10 of dosing.Subsequently, we demonstrated a similar induction of a diurnal EPO response in CKD patients. This was followed by a 28-day, dose-titration study to establish thenecessary dosing information for increasing hemoglobin levels. Throughout these studies, vadadustat was generally well tolerated. There were no serious adverseevents, or SAEs, and treatment emergent adverse events, or TEAEs, were limited in number and duration.The most common potentially drug-related AEs in our clinical trials were gastro-intestinal disorders, including diarrhea, nausea and constipation. The design andresults of each of the 14 completed studies is provided in the following table followed by a more detailed description of three Phase 2 studies in non-dialysis (CI-0005 and CI-0007) and dialysis-dependent (CI-0011) CKD patients treated for up to 20 weeks. 12 The individual design and summary results of each of our completed clinical trials are highlighted below: Study DesignSubjects Treated Study aSubjectsDesign (Endpoint)Dose, Duration bVadadustatPlaceboKey FindingsPhase 1 0001Healthy malesDouble-blind,placebo-controlled,fasted (Safety/PK/PD)80 mg, 160 mg,300 mg, 600 mg,900 mg, 1200 mg;single dose6 (80 mg)6 (160 mg)6 (300 mg)6 (600 mg)6 (900 mg)6 (1200 mg)12(2 percohort)Dose responsive increases in EPO levels weredemonstrated following a single dose. Half-life (t 1/2 ) ofthe compound at the 600 mg dose was approximately4.8 hours and was similar across the dosesstudied. Seven subjects (19.4%) and 3 subjects (25%)had an AE in the total vadadustat and placebo groups,respectively. Mild diarrhea and mild to moderateheadache occurred in more than 1 subject (n=2 and n=3,respectively) in the vadadustat groups. There were nodiscernible trends in the frequency and type of AEsacross the dosing groups. No SAE occurred.CI-0002Healthy malesDouble-blind,placebo-controlled,fasted (Safety/PK/PD)500 mg, 700 mg,900 mg; 10 days8 (500 mg)9 (700 mg)8 (900 mg)9(3 percohort)Dose responsive increases in reticulocytes and HGBlevels were demonstrated. EPO levels returned tobaseline by 24 hours following each dose. Vadadustatwas generally well tolerated. AEs were balanced overallbetween the total vadadustat dosing groups (76%) andthe placebo group (78%), and across vadadustat dosingcohorts. Gastrointestinal AEs occurred in 36% ofsubjects in the vadadustat groups and in no subjects onplacebo, of which mild to moderate diarrhea was themost frequent (24%), but without a discernible doseeffect. No SAE occurred.CI-0006Healthy malesRandomized, cross-over bioavailabilitystudy, fasted (Bioavailability/PK)315 mg; single doseof capsule and tablet,with three days wash-out period betweendoses80Capsules and tablets were shown to be bioequivalent, andvadadustat was well tolerated with both formulations.Nausea was the only AE that occurred in more than in 1subject (n=2). No SAE occurred.13 Study DesignSubjects Treated Study aSubjectsDesign (Endpoint)Dose, Duration bVadadustatPlaceboKey FindingsCI-0008Healthy malesMass Balance (Radioactivity/PK)650 mg; single dose(100 m Ci14 C-vadadustat)60Total radioactivity recovery in urine and feces was >85%with approximately 60% in urine and approximately 26%in feces. Majority of the drug-related radioactivity(>75%) in plasma was associated with vadadustat,followed by the AKB‑6548-O-glucuronide (~15%) and avery low contribution (<1%) coming from theAKB‑6548-acyl-glucuronide. Vadadustat was generallywell tolerated, and no SAE occurred.CI-0009DD-CKDRandomized,crossover,pharmacokineticstudy with 72-hourwash-out betweensuccessive dosing (PK/Safety andtolerability ofsubjects on chronicdialysis)450 mg dose fourhours prior to start ofa dialysis session;450 mg dose 2 hoursafter completion of adifferent dialysissession120The timing of administration of vadadustat doses (pre- orpost-hemodialysis (HD)) did not notably affectpharmacokinetics of vadadustat and two measuredglucuronide metabolites. HD procedure had minimalimpact on the clearance of vadadustat. AEs assessed asrelated included diarrhea (n=2), frequent bowelmovements (n=2), and abdominal pain (n=1). Onesubject with a diabetic foot ulcer experienced the SAEsof limb abscess and osteomyelitis, 7 days post dosing,and were assessed as unrelated to vadadustat by theinvestigator.CI-0010HealthyvolunteersRandomized,partially double-blind, single-dose,4‑treatment,4‑period,4‑sequencecrossover study toevaluate the effectof vadadustat oncardiacrepolarizationintervals (Thorough QTcStudy)600 mg vadadustatdose; 1200 mgvadadustat dose;placebo tablets;400 mg moxifloxacintablet4948 cVadadustat did not have a meaningful effect on any ECGparameters. An effect on the QTcF interval exceeding10 msec could be confidently excluded and the effects onheart rate, PR interval, and QRS interval were small andclinically not relevant. Vadadustat, at therapeutic(600 mg) and supratherapeutic (1200 mg) doses, waswell tolerated, and the number of subjects with at least 1AE in each of these groups was balanced (24.5% vs26.5%, respectively). All AEs were mild in severity.Nausea, diarrhea, abdominal pain, headache, anddizziness occurred with a frequency of 5% or more insubjects on vadadustat compared to placebo, but with noapparent dose effect. No discontinuations or SAEoccurred.CI-0012Healthy malesOpen-label,randomized, single-dose, two-periodcrossover relativebioavailability studyto evaluate theeffects of iron on thePK of vadadustat (Bioavailability/PK)450 mg vadadustatdose; 325 mg ferroussulfate tablet(containing 65 mgelemental iron)100Administration of vadadustat + oral iron resulted in~50% reduction in vadadustat exposure based on C maxand AUC. The reduction does not appear to be related toa change in metabolism to glucuronides. No AEoccurred. Concomitant administration of oral iron withvadadustat should be avoided. 14 Study DesignSubjects Treated Study aSubjectsDesign (Endpoint)Dose, Duration bVadadustatPlaceboKey FindingsCI-0013HealthyvolunteersOpen-label,randomized, single-dose, three-periodcrossover relativebioavailability studyof Test (Phase 3)and Reference(Phase 2)Formulations ofvadadustat tabletsand to evaluate theeffect of food (highfat meal) on thebioavailability ofvadadustat (Bioavailability/PK)150 mg vadadustattablet (Reference,used in Phase 2studies CI‑0007 andCI‑0011)150 mg vadadustatfilm-coated tablet(intended Phase 3 andcommercialformulation)180Vadadustat test and reference tablet formulationsdemonstrated bioequivalence following administration ofa single 150 mg dose under fasting conditions.Vadadustat AUC and C max were reduced by 20% and28%, respectively, when a single 150 mg dose of the testformulation of vadadustat tablets was administered withfood compared to the test tablet formulation administeredunder fasting conditions. These differences are notconsidered to be clinically meaningful and, thus,vadadustat Phase 3 tablets can be administered withoutregard to meals.Both tablet formulations were well tolerated. AEs thatoccurred in more than 2 subjects included diarrhea. NoSAE occurred.CI-0019HealthyvolunteersOpen-label study toassess the effectof once-dailymultiple dosing ofvadadustat on thepharmacokinetics ofthe CYP2C9substrate celecoxib (Bioavailability/PK)600 mg vadadustatdose for 7 days200 mg celecoxibcapsule on Days 1and 8120The total exposure of celecoxib increased byapproximately 12% following co-administration withvadadustat while the C max of celecoxib increased byapproximately 60% when co-administered withvadadustat. Since the potential for interaction is based ontotal exposure (AUC), it was concluded that vadadustatdoes not inhibit CYP2C9 to any appreciable extent and,therefore, there is no clinically significant effect ofvadadustat on drugs that are CYP2C9 substrates.Vadadustat was well-tolerated and no SAE occurred.Phase 2 CI-0003NDD-CKD,GFRcategories G3& G4Open-label, fed (Safety/PK/PD)500 mg; single dose220Following a single dose of 500 mg of vadadustat, thechanges in EPO levels followed a similar pattern as thatobserved in the Phase 1 study at 600 mg in healthyvolunteers (CI-0001). In these subjects with CKD, peaklevels of EPO were similar to healthy male volunteers,and the t 1/2 was modestly longer at 7.9 hours. No AEoccurred more than once, except nausea (n=2). Themajority of AEs were mild or moderate inseverity. There were no changes in mean values of heart,blood pressure or ECG over time. No SAE occurred.15 Study DesignSubjects Treated Study aSubjectsDesign (Endpoint)Dose, Duration bVadadustatPlaceboKey FindingsCI-0004NDD-CKD,GFRcategories G3& G4Open-label (Change in:reticulocyte count,HGB, hematocrit,RBCs/Safety)Within subject, doseescalation (potentialdoses of 200 mg,300 mg, 400 mg,500 mg, 600 mg, and700 mg); 28 days ofdosing100Starting doses were 300 mg (CKD GFR category G4) or400 mg (CKD GFR category G3). Dose adjustmentscould be made weekly based on reticulocyte count andHGB data. Average HGB levels rose from 9.91 g/dL atbaseline to 10.54 g/dL by Day 29. Five subjectsexperiencing at least 1 AE. Diarrhea was the only AEthat occurred in more than 1 subject (n=2). No SAEoccurred.CI-0005NDD-CKD,GFRcategoriesG3a-G5, noton dialysisDouble-blind,placebo-controlled (Mean absolutechange in HGBbetween the predoseaverage and End ofTreatment/PD/PK)240 mg, 370 mg,500 mg, 630 mg;42 days of dosing18 (240 mg) 18 (370 mg) 17 (500 mg) 19 (630 mg)19Vadadustat significantly increased HGB levels insubjects compared to baseline in all dose groups andcompared to placebo. The HGB increase occurredwithout increasing predose EPO levels (prior to dailyvadadustat dose). There were no apparent differences inthe types of AEs across dosing groups or with placebo;9.7% and 5.3% of subjects had an SAE in the totalvadadustat and placebo groups, respectively, and all wereassessed as unrelated to study drug by investigators. Onesubject treated with vadadustat had a non-fatal acutemyocardial infarction (MI). One subject died of cardiacarrest after being hospitalized for azotemia due toprogression of CKD.CI-0007NDD-CKD,GFRcategoriesG3a-G5, noton dialysis(naïve toESA),previouslytreated withESA, oractivelytreated withESADouble-blind,placebo-controlled (Achieving ormaintaining a meanHGB of ≥11.0 g/dLor increasing HGBby ≥1.2 g/dL)450 mg starting dosewith dose adjustmentwith allowable doselevels of 150, 300,450, or 600 mg tomaintain HGB<13.0 g/dL; 2:1active:placebo;20 weeks of dosing13872The study achieved its primary endpoint, confirming thatthe once-daily, oral therapy can successfully increase andmaintain HGB levels. 54.9% of patients who receivedvadadustat met the primary endpoint versus 10.3% in theplacebo group (p<0.0001; achieving or maintaining amean HGB ≥11.0 g/dL or increasing HGB by ≥1.2 g/dLabove the pre-treatment value as measured by the meanHGB value at weeks 19 and 20). AEs were balancedoverall between the vadadustat and placebo treatmentgroups (74.6% and 73.6%, respectively). Diarrhea,nausea, hyperkalemia, and hypertension were reportedmore frequently in the vadadustat than the placebogroup. Angioedema occurred in 2 subjects in thevadadustat group. More subjects had SAEs in thevadadustat group than the placebo group (23.9% and15.3%, respectively), and this difference was explainedby differences in how renal events were reported byinvestigators. One MI occurred in the placebo group, andnone in the vadadustat group. One CVA occurred in thevadadustat group and none in the placebo group. Threesubjects died, and the causes of death were reported asischemic heart disease, sudden cardiac death, and cardiacarrest.16 Study DesignSubjects Treated Study aSubjectsDesign (Endpoint)Dose, Duration bVadadustatPlaceboKey FindingsCI-0011DD-CKDMulti-center, open-label study (Change in HGB/actual values andchange frombaseline in HGB,HCT, RBC count,and reticulocytecount / rate oftransfusion and/orESA rescue/analysis of safety)Three differentstarting doseregimens (300 mgQD, 450 mg QD,450 mg TIW) withsubsequent doseadjustment withallowable doses of150, 300, 450, or600 mg; 16 weeks ofdosing940The study demonstrated that vadadustat once daily orthree time weekly maintained HGB levels in ESRDsubjects who were converted from existing ESA therapyto vadadustat. Only one subject had a single HGB rise to13.1 g/dL. Vadadustat was generally well-tolerated andthe frequency and type of SAEs were consistent withthose expected in a dialysis-dependent population. NoSAE was reported as related to vadadustat and no deathsoccurred. AE =adverse event, AUC = area under the curve, CKD = chronic kidney disease, CVA = cerebral vascular accident, ECG = electrocardiogram,EPO = erythropoietin, ESA = erythropoiesis-stimulating agents, ESRD = end-stage renal disease, HCT = hematocrit, HGB = hemoglobin, MI = myocardialinfarction, QD = once daily, PK = pharmacokinetics, PD = pharmacodynamics, QTc = corrected QT interval, RBC = red blood cell, SAEs = serious adverse events,TIW = 3 times per week, t 1/2 = terminal half-lifea.Official study numbers are precursed with “AKB-6548-”, but have been shortened to the last portion of the protocol number for purposes of reporting in thistable.b.Unless otherwise noted, all doses were administered orally, once daily.c.Subjects who received placebo also received vadadustat as part of the crossover design of the thorough QTc study. 17 CI-0005: Positive Phase 2a Proof of Concept Trial in Non-Dialysis CKD PatientsCI-0005 was a randomized, double-blind, placebo controlled trial of vadadustat in non-dialysis patients with CKD GFR categories G3, G4 and G5 designed toevaluate the change in hemoglobin levels over 42 days. The study enrolled 91 CKD patients who received either placebo or one of the following 4 vadadustat dosesonce daily: 240 mg, 370 mg, 500 mg, or 630 mg. The primary endpoint for the trial was the mean absolute change in hemoglobin from baseline.All doses of vadadustat significantly increased hemoglobin in a dose-dependent manner compared with placebo (p<0.0001). The mean increase in hemoglobin invadadustat treated patients ranged from 0.7 to 1.4 g/dL, while placebo-treated patients experienced a mean decrease in hemoglobin of 0.1 g/dL. The dose-dependentincreases in hemoglobin occurred even though, per protocol, 26% of patients receiving the 630 mg vadadustat dose and 11% of patients in the 500 mg vadadustatdose group had their dose reduced due to a hemoglobin increase > 1.5 g/dL by Day 28. No patient’s hemoglobin level exceeded 13 g/dL during the study.Increases in hemoglobin in the vadadustat group were associated with an increase in reticulocytes and total iron binding capacity, or TIBC, and a decrease in serumhepcidin and ferritin as observed in healthy volunteers, serum EPO levels returned to baseline levels prior the next daily dose of vadadustat, indicating thatvadadustat increase hemoglobin without chronically elevating EPO. Vadadustat was generally well tolerated with 34 subjects (47.2%) in the vadadustat groups and 11 subjects (57.9%) in the placebo group reporting an adverse event.Adverse events were evenly distributed across the dose groups. Ten subjects (13.9%) treated with vadadustat and one placebo subject (5.3%) had AEs that wereconsidered study drug related. The most frequently reported adverse events in either treatment group were: anemia (placebo, 10.5%), nausea (500 mg, 11.8%) andplacebo, (10.5%), urinary tract infection (240 mg, 11.1%), hyperkalemia (500 mg, 17.6%), hypoglycemia (630 mg, 10.5%), headache (240 mg, 11.1%),hypertension (630 mg, 10.5%) and placebo (15.8%), and hypotension (placebo, 10.5%). There were eight serious adverse events (vadadustat 9.7% vs. placebo5.3%) reported and all were considered unrelated to the study drug. These included fluid overload (placebo patient), gastroenteritis, hypoglycemic event, dizziness,triple vessel coronary artery disease with non-ST elevation myocardial infarction, hypertensive crisis, ventricular pacemaker lead replacement, and azotemia(uremia). One subject died after being hospitalized with uremia due to progression of her CKD and acute pulmonary edema. Following a complicated hospitalcourse, the patient developed sustained ventricular tachycardia resulting in a cardiac arrest.VEGF is necessary for the maintenance of healthy kidney function and is regulated by HIF1 a . Clinical studies have shown that increased VEGF levels arepotentially linked to increased growth of tumors in patients with cancer. Vadadustat provides for the ability to induce a more prominent HIF2 a response, andconsistent with this mechanism, no change in VEGF levels were observed from baseline for any of the vadadustat dose groups. The results of this study werereported at the American Society of Nephrology meeting in November 2012.Phase 2b Study (CI-0007) in Non-Dialysis CKD PatientsWe have completed a Phase 2b study of vadadustat in subjects with anemia secondary to CKD not requiring dialysis. This double-blind, randomized, placebocontrolled study evaluated the efficacy and safety of vadadustat over 20 weeks of dosing in 210 subjects (138 vadadustat and 72 placebo) with CKD stages 3-5.Subjects were enrolled into one of three groups: (1) ESA naïve with hemoglobin ≤10.5 g/dL, (2) previously treated with ESA with hemoglobin ≤10.5 g/dL, or (3)actively treated with ESA with hemoglobin ≥9.5 and ≤12.0 g/dL and randomized (2:1) to once daily vadadustat or placebo. The primary endpoint was the percentof subjects with either a mean hemoglobin of ≥11.0 g/dL or an increase in hemoglobin by ≥1.2 g/dL from baseline. A protocol-defined dose adjustment algorithmwas used to achieve the primary endpoint and to minimize hemoglobin excursions ≥13 g/dL.The mean age was 66 years, ~75% of subjects had diabetes mellitus and the mean estimated glomerular filtration rate, or eGFR, was 25 mL/min/1.73m 2 . 54.9% ofvadadustat treated subjects compared to 10.3% of placebo treated subjects met the primary endpoint (p=0.0001). Only 4.3% of subjects in the vadadustat grouphad any hemoglobin excursion ≥13.0 g/dL. Group 3 placebo treated subjects experienced a decline in the mean hemoglobin within the first 2 weeks, whereassubjects randomized to vadadustat maintained a stable hemoglobin throughout the study. Increases in hemoglobin in the vadadustat group were associated with anincrease in reticulocytes and TIBC and a decrease in serum hepcidin and ferritin. There was no difference between the vadadustat and placebo groups in vascularendothelial growth factor, or VEGF, levels during the study. Vadadustat was generally well tolerated with similar percentages of subjects experiencing AEs in vadadustat treated and placebo groups (74.6% vs. 73.6%). Therewas an increase in renal related SAEs reported in the vadadustat-treated subjects (vadadustat 9.4% vs. placebo 2.8%), however, the number of subjects requiringdialysis, an objective measure of the severity of renal disease, was similar in the two treatment groups (vadadustat 8.0% vs. placebo 9.7%). Overall AEs for renaland urinary disorders was balanced (vadadustat 14.5% vs. placebo 13.9%). The disparity in renal SAEs was likely related to variability in reporting betweeninvestigators (reasons included proceeding to dialysis in association with a SAE that was not reported in the renal category, or proceeding to18 dialysis without being c onsidered an SAE). Other differences, favoring either vadadustat or placebo, in AEs were as follows: nausea and diarrhea (vadadustat10.1% vs. placebo 4.2%); gastrointestinal hemorrhage (vadadustat 0.0% vs. placebo 5.6%); upper respiratory tract infection (vadadustat 1.4% vs. placebo 6.9%);hyperkalemia (vadadustat 5.1% vs. placebo 0.0%); and hypertension (vadadustat 8.0% vs. placebo 2.8%). There were three deaths in vadadustat-treated subjectsand no deaths in the placebo group. This was the expected numbe r of subject deaths based on previous studies in similar populations.In summary vadadustat achieved the desired outcomes of raising and maintaining hemoglobin and increasing iron mobilization, while minimizing hemoglobinexcursions ≥13 g/dL. The results of this study were reported in various scientific meetings in 2015, including the World Congress of Nephrology meeting in March2015.Phase 2 Study in Dialysis-Dependent Patients (CI-0011)We recently completed a multi-center, open-label, 16-week trial to assess the hemoglobin response, safety, and tolerability of vadadustat in dialysis dependentCKD patients. The trial enrolled 94 hemodialysis patients (hemoglobin 9 - 12 g/dL), who were maintained on ESAs prior to study entry. Patients were convertedfrom ESA to vadadustat, and assigned to 1 of 3 dose cohorts: 300 mg once daily (QD); 450 mg QD; or 450 mg three times weekly (TIW). For each dose cohort, themean hemoglobin level at study entry was compared to the average at weeks 7 and 8, and to the average at weeks 15 and 16. To evaluate hemoglobin response toeach of the dose regimens, during the first eight weeks of this study patients were to remain on the prescribed starting dose, or decreased if necessary to controlhemoglobin. Beginning at week eight, the dose of vadadustat could be increased or decreased to maintain hemoglobin levels as needed. Intravenous iron use wasallowed.The underlying patient demographics and profile of these CKD patients were well-balanced across the three cohorts, and reflective of the US dialysis dependentCKD population as reported in the literature. Mean age was 58 years, average time on dialysis was 4.6 years, and the most common cause of end-stage renaldisease was diabetes mellitus and/or hypertension. Baseline hemoglobin levels were similar (10.4-10.6 g/dL) in all three cohorts and the serum ferritin levelsindicated that the patients were iron replete at study entry and throughout the study.The trial achieved its primary endpoint of maintaining stable hemoglobin levels over 16 weeks, across all three cohorts of patients converting from ESAs tovadadustat. The study supports both daily and three times weekly vadadustat dosing regimens as viable options for patients. Consistent with previous studies, allthree starting dose regimens improved iron mobilization, as reflected by increases in TIBC and serum iron, and decreases in serum ferritin and hepcidin levels.Only one subject in the 300mg QD cohort had a single hemoglobin excursion to 13.1 g/dL. Mean Hemoglobin Levels (g/dL)*BaselineWeek 7/8Week 15/16300mg Daily Dose10.410.410.3450mg Daily Dose10.610.310.5450mg Three Times per Week Dose10.510.210.4*Modified intent-to-treat (MITT) population, n=94 Adverse events were balanced across the three cohorts. There were no discernible trends in the frequency of AEs or SAEs by dose cohort. SAEs were reported in13 subjects (13.8%), which was within the expected range (13 - 17 subjects) for this patient population. No SAEs were reported as related to vadadustat and nodeaths occurred during the study.The results of this trial demonstrate that vadadustat maintained hemoglobin levels in dialysis-dependent CKD subjects who were converted from existing ESAtherapy to vadadustat. Only one subject had a single hemoglobin rise to 13.1 g/dL. Vadadustat was generally well tolerated and the frequency and type of SAEswere consistent with those expected in a dialysis-dependent CKD population. The results of this study were reported at the American Society of Nephrologymeeting in November 2015.19 Phase 3 Clinical ProgramAkebia is conducting two global Phase 3 studies to support an indication for the treatment of anemia in non-dialysis dependent patients and two Phase 3 studies tosupport an indication for the treatment of anemia in dialysis-dependent CKD patients: 1.CI-0014: “Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety of Oral Vadadustat for the Correction ofAnemia in Subjects with Non-Dialysis-Dependent Chronic Kidney Disease (NDD‑CKD) (PRO 2 TECT - CORRECTION)” 2.CI-0015: “Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety of Oral Vadadustat for the MaintenanceTreatment of Anemia in Subjects with Non-Dialysis-Dependent Chronic Kidney Disease (NDD‑CKD) (PRO 2 TECT ‑ CONVERSION)” 3.CI-0016: “Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety of Oral Vadadustat for the Correction ofAnemia in Subjects with Dialysis-Dependent Chronic Kidney Disease (DD‑CKD) (INNO 2 VATE - CORRECTION)” 4.CI-0017: “Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety of Oral Vadadustat for the MaintenanceTreatment of Anemia in Subjects with Dialysis-Dependent Chronic Kidney Disease (DD-CKD) (INNO 2 VATE ‑ CONVERSION)”In both the PRO 2 TECT and INNO 2 VATE Phase 3 programs, the primary efficacy endpoint will be the mean change in hemoglobin between baseline (meanpretreatment hemoglobin) and the primary evaluation period, concluding non-inferiority (NI) when the upper 95% confidence interval of the hazard ratio(vadadustat/ESA) does not exceed the NI margin. Both the PRO 2 TECT and INNO 2 VATE programs will include the primary safety endpoint of the assessmentof major adverse cardiovascular endpoints, or MACE, with a comparison of vadadustat to an ESA. MACE is defined as the composite endpoint of all-causemortality, non-fatal myocardial infarction, or non-fatal stroke. To assess MACE, a pooled analysis of time to first MACE event from the two Phase 3 studies ineach program will be performed, concluding NI when the upper 95% confidence interval of the hazard ratio (vadadustat/ESA) does not exceed the NI margin. Theassessment of MACE will also allow for determination of superiority for the composite or individual MACE components.Overall, the non-dialysis dependent CKD and dialysis-dependent CKD Phase 3 programs will enroll approximately 5,700 CKD patients; approximately2,850 patients receiving vadadustat and approximately 2,850 patients receiving an ESA. We have engaged Quintiles as our primary CRO for the PRO 2 TECT andINNO 2 VATE programs. We expect the cost of the Phase 3 program to be in the range of $80,000 to $85,000 per patient and we plan to enroll approximately 3,100patients in PRO 2 TECT and approximately 2,600 patients in INNO 2 VATE.In December 2015, we began dosing patients in our Phase 3 vadadustat program in non-dialysis patients with anemia related to CKD, PRO 2 TECT, after obtainingfeedback from United States and European regulatory authorities regarding the design of the program. If the results from the PRO 2 TECT Phase 3 program supportthe results observed across our previous clinical studies, we anticipate submitting an NDA to the FDA for vadadustat in 2019. We expect to initiate our Phase 3vadadustat program in dialysis-dependent CKD patients, INNO 2 VATE, in 2016, and also anticipating submitting an NDA to FDA in 2019. Additional StudiesWe have completed a thorough QT, or TQT, study in accordance with FDA guidance to ensure that vadadustat does not affect the cardiac conduction cycle (CI-0010). A lengthened QT interval is a biomarker for certain ventricular arrhythmias and a risk factor for sudden death. The results from this study confirm thatvadadustat does not alter cardiac repolarization intervals in healthy volunteers following a single dose of up to 1200 mg.In addition, a clinical study was conducted to evaluate the effect of vadadustat on celecoxib, a substrate for the hepatic cytochrome P450 enzyme CYP2C9. Theresults of the study showed that the co-administration of vadadustat resulted in a minimal (12%) increase in the exposure (AUC) of celecoxib while the C max ofcelecoxib increased by approximately 60% when co-administered with vadadustat. Since the potential for interaction is based on total exposure (AUC), it wasconcluded that vadadustat does not inhibit CYP2C9 to any appreciable extent and, therefore, there is no clinically significant effect of vadadustat on drugs that areCYP2C9 substrates (e.g., losartan, rosuvastatin). Vadadustat was well-tolerated and no SAE occurred.The results of a standard battery of tests that evaluate for mutations in cells or animals have indicated that vadadustat does not cause mutations that could lead tocancer. However, to satisfy the expected regulatory requirement, carcinogenicity assessments (two years of dosing in rats, and six months of dosing in a transgenicmouse model) will be conducted. The 2-year rat carcinogenicity study was initiated in Q2 2015 and the six month transgenic mouse study will commence in Q22016. Embryo-fetal development studies have been conducted in rats and rabbits, and a fertility study has been conducted in rats with no notable findings. A peri-postnatal development study in rats is currently ongoing.20 In order to complete the registration package for drug approval, we plan to evaluate the pharmacokinetics and safety of vadadu stat in subjects with mild andmoderate hepatic impairment. In addition clinical studies are also planned to evaluate the potential of vadadustat to interact with drugs that are substrates ofenzymes CYP2B6 and CYP2C8. Clinical studies will also be conduct ed to determine the effect of vadadustat on substrates of transporters such as P-gp, BCRP,OAT1, OAT3 and OATP1B1 .AKB-6899Our second clinical candidate, AKB-6899, is designed as a small molecule HIF-PH inhibitor with potential therapeutic application in oncology and ophthalmology.AKB-6899 has demonstrated the ability in vitro to reduce VEGF levels in the presence of hypoxia while stimulating the production of soluble vascular endothelialgrowth factor receptor 1, or sVEGFr1. sVEGFr1 sequesters VEGF to inhibit VEGF signaling and thereby can decrease tumor growth. Moreover, AKB-6899inhibits the expression of phosphoglycerate kinase, or PGK, which has been associated with the growth of cancerous tumors. In several preclinical mouse models,AKB-6899 has been active in reducing tumor growth and metastases, and has improved survival. We opened an IND with the FDA at the end of 2015. We expectto commence clinical development of AKB-6899 in 2016 and anticipate completion of the Phase 1 study in oncology in late 2017.Manufacturing and SupplyVadadustat is a small-molecule that is manufactured from readily available commercial starting materials. We have no internal manufacturing capabilities and relyon third-party contract manufacturers to produce all lots of drug substance and drug products.We entered into a Master Services Agreement with Evonik Corporation, or Evonik, pursuant to which Evonik shall further develop and manufacture vadadustatdrug substance for use in our Phase 3 development program for vadadustat and other clinical trials. Evonik is currently manufacturing vadadustat at commerciallyrelevant scale.The drug substance can be readily formulated into compressed tablets using common manufacturing processes. Tablets have been made at several differentpotencies with excellent drug product pharmaceutical properties and a fast, reproducible dissolution rate. We entered into a Master Services Agreement withGregory Pharmaceutical Holdings, Inc. (d/b/a UPM Pharmaceuticals Inc., or UPM), pursuant to which UPM shall further develop and manufacture the drugproduct for use in our Phase 3 development program for vadadustat and other clinical trials. UPM is currently manufacturing vadadustat tablets at commerciallyrelevant scale.In our agreements with third-party manufacturers, we retain ownership of our intellectual property and generally own and/or are licensed rights to processes,developments, data, results and other intellectual property relating to our products and generated during the course of the manufacturer’s performance under theagreement.AKB-6899 will be entering clinical development in 2016. A scalable manufacturing route has been used to synthesize GMP material required for non-clinical andclinical development. A capsule formulation has been manufactured for use in clinical trials. We have contracted with several contract manufacturingorganizations for the supply of drug substance and finished product to meet our needs for pre-clinical toxicology and early clinical development of AKB-6899. Weexpect to continue to rely on third-party contract manufacturers for the supply of AKB-6899 drug substance and drug product for the foreseeable future.Intellectual PropertyThe proprietary nature of, and protection for, our product candidates and our discovery programs, processes and know-how are important to our business. Ourpolicy is to seek to protect our proprietary position by, among other methods, filing U.S. and foreign patent applications related to our proprietary technology,inventions and improvements that are important to the development and implementation of our business. We also rely on know-how, continuing technologicalinnovation and potential in-licensing opportunities to develop and maintain our proprietary position. Additionally, we may benefit from a variety of statutoryframeworks in the United States, Europe and other countries that provide periods of non-patent-based exclusivity for qualifying molecules. See “—RegulatoryMatters.”Our commercial success will depend in part on obtaining and maintaining patent protection of our current and future product candidates, methods of their use andthe methods used to develop and manufacture them, as well as successfully defending these patents against third-party challenges. Our ability to stop third partiesfrom making, using, selling, offering to sell or importing our products depends on the extent to which we have rights under valid and enforceable patents that coverthese activities. We cannot be sure that patents will be granted with respect to any of our pending patent applications or with respect to any patent applications filedby us in the future, nor can we be sure that any of our existing patents or any patents that may be granted to us in the future will be commercially useful inprotecting our product candidates, discovery programs and processes. Even once patents successfully issue,21 third parties may challenge the validity, enforceability, inventorship, or scope thereof, which may result in such patents being narrowed, inv alidated or heldunenforceable. For this and more comprehensive risks related to our intellectual property, please see “Risk Factors—Risks Related to Our Intellectual Property.”Our patent estate, on a worldwide basis, includes 64 allowed applications and issued patents and approximately 81 pending utility and provisional patentapplications, with pending and issued claims relating to our current clinical stage candidate vadadustat as well as other product candidates, including AKB-6899.We also hold three patents that claim the crystal of a protein-ligand complex of EGLN-1 as well as methods for identifying compounds that bind to EGLN-1.Individual patents extend for varying periods of time depending on the date of filing of the patent application or the date of patent issuance and the legal term ofpatents in the countries in which they are obtained. Generally, patents issued from applications filed in the United States are effective for 20 years from the earliestnon-provisional filing date. In addition, in certain instances, a patent term can be extended to recapture a portion of the term effectively lost as a result of the FDAregulatory review period, however, the restoration period cannot be longer than five years and the total patent term including the restoration period must not exceed14 years following FDA approval. The duration of foreign patents varies in accordance with provisions of applicable local law, but typically is also 20 years fromthe earliest international filing date. Patent term recapture for loss of term as a result of the regulatory review period is available in some foreign jurisdictions. Ourissued patents and pending applications with respect to our composition of matter, methods of treatment, and pharmaceutical compositions are expected to expire in2027 or 2028 (depending on eligibility for patent term adjustment) and our pending applications with respect to processes for manufacturing vadadustat, dosingregimens, formulations, and various other aspects relating to the treatment of anemia using vadadustat are expected to expire between 2032 and 2034, exclusive ofpossible patent term adjustments or extensions; however, the actual protection afforded by a patent varies on a product by product basis, from country to countryand depends upon many factors, including the type of patent, the scope of its coverage, the availability of extensions of patent term, the availability of legalremedies in a particular country and the validity and enforceability of the patent.Changes in either the patent laws or interpretations of patent laws in the United States and other countries can diminish our ability to protect our inventions andenforce our intellectual property rights. Accordingly, we cannot predict the breadth or enforceability of claims that may be granted in our patents or in third-partypatents. The biotechnology and pharmaceutical industries are characterized by extensive litigation regarding patents and other intellectual property rights. Ourability to maintain and solidify our proprietary position for our drugs and technology will depend on our success in obtaining effective claims and enforcing thoseclaims once granted. We do not know whether any of the patent applications that we may file or license from third parties will result in the issuance of any patents.The issued patents that we own or may receive in the future may be challenged, invalidated or circumvented, and the rights granted under any issued patents maynot provide us with sufficient protection or competitive advantages against competitors with similar technology. Furthermore, our competitors may be able toindependently develop and commercialize similar drugs or duplicate our technology, business model or strategy without infringing our patents. Because of theextensive time required for clinical development and regulatory review of a drug we may develop, it is possible that, before any of our drugs can becommercialized, any related patent may expire or remain in force for only a short period following commercialization, thereby reducing any advantage of any suchpatent. The patent positions for our most advanced programs are summarized below.Vadadustat Patent PortfolioWe hold five issued patents and one pending application covering the composition of matter, method of treating anemia, and pharmaceutical compositions ofvadadustat in the United States, one issued patent in Europe (registered in most countries of the European Patent Convention), and additional patents issued orpending in many other major jurisdictions worldwide, including Japan, China, South Korea, Brazil, Mexico, Russia, Israel and India. The expected expiration datefor these composition of matter patents is 2028 plus any extensions or adjustments of term available under national law.In July of 2011, a third party filed an opposition to our issued European Patent No. 2044005 (the ’005 Patent). During the oral proceedings, which took place onApril 10, 2013, the Opposition Division of the European Patent Office maintained the ’005 Patent on the basis of the third auxiliary request filed during the oralproceedings. This decision resulted in the maintenance of a claim directed to a compound chosen from a group of eight compounds, including vadadustat, as wellas claims to compositions and methods for treating various diseases, including, but not limited to, anemia. Both parties have appealed the decision of theOpposition Division and final resolution of the opposition proceedings will likely take a number of years. We cannot be assured of the breadth of the claims thatwill remain in the ’005 Patent or that the patent will not be revoked in its entirety.We also hold patents and patent applications directed to processes for manufacturing vadadustat, dosing regimens, formulations, polymorphs, and various otheraspects relating to the treatment of anemia using vadadustat that are expected to expire between 2032 and 2034 exclusive of possible patent term extensions.22 AKB-6899 Patent PortfolioWe hold four issued patents and one pending application covering the AKB-6899 composition of matter and pharmaceutical compositions or methods of use in theUnited States, and additional patents issued or pending in many other major jurisdictions worldwide, including Europe, Japan, China, South Korea, Brazil, Mexico,Russia and India. The expected expiration date for these composition of matter patents is 2028 plus any extensions or adjustments of term available under nationallaw.We hold one issued patent that covers the treatment of anemia by administration of AKB-6899, which is expected to expire in 2028. We also hold, either alone orjointly, one issued patent and one pending application covering various methods, including, but not limited to, the treatment of cancer by administration of AKB-6899 in the United States and additional patent applications are pending in many other major jurisdictions worldwide, including Japan, China, South Korea,Mexico, Russia, Israel and India. The expected expiration dates for these method of treatment patent applications are expected to be 2032 exclusive of possiblepatent term extensions or adjustments. We hold one pending patent application in the United States and approximately 30 pending patent applications worldwidedirected to treatment or prevention of ocular conditions using AKB-6899, and one pending patent application in the United States and approximately 30 pendingpatent applications worldwide directed to dosing regimens of AKB-6899. The expected expiration date of this ocular patent application is 2035, and the expectedexpiration date of this dosing patent application is 2034, exclusive of possible patent term extensions or adjustments. We also hold two pending patent applicationdirected to polymorphs of vadadustat and AKB-6899 in the United States and various foreign jurisdictions. The expected expiration dates of these polymorphpatent applications are 2034 for vadadustat and 2036 for AKB-6899 exclusive of possible patent term extensions or adjustments.Know-HowIn addition to patents, we rely upon unpatented know-how and continuing technological innovation to develop and maintain our competitive position. We seek toprotect our proprietary information, in part, using confidentiality agreements with our collaborators, employees and consultants and invention assignmentprovisions in the confidentiality agreements with our employees. These agreements are designed to protect our proprietary information and, in the case of theinvention assignment provisions, to grant us ownership of technologies that are developed by our employees. These agreements may be breached, and we may nothave adequate remedies for any breach.To the extent that our commercial partners, collaborators, employees and consultants use intellectual property owned by others in their work for us, disputes mayarise as to the rights in related or resulting know-how and inventions.Third-Party FilingsWe are aware of certain U.S. patents issued to FibroGen, Inc., or FibroGen, directed to, among other things, purportedly new methods of using previously knownheterocyclic carboxamide compounds for purposes of treating or affecting specified conditions. We do not believe these currently issued FibroGen U.S. patentsconflict with our intellectual property rights; nor do we make any admission that any of such patents are valid or enforceable. Under U.S. law, a person may be ableto patent a discovery of a new way to use a previously known compound, even if such compound itself is patented, provided, the newly discovered use is novel andnon-obvious. Such a method-of-use patent, however, if valid, only protects the use of a claimed compound for the specified methods claimed in the patent. Thistype of patent does not prevent persons from using the compound for any previously known use of the compound. Further, this type of patent does not preventpersons from making and marketing the compound for an indication that is outside the scope of the patented method. We are not aware of any valid U.S. patentsissued to FibroGen that claim methods of using any of our product candidates for purposes of inhibiting HIF-PHs for the treatment of anemia secondary to CKD.As explained in more detail below, we have had some positive developments in our opposition and invalidity proceedings against FibroGen. With regard to theopposition that we filed in Europe against FibroGen’s European Patent No. 1463823, or the ’823 patent, the European Opposition Division issued a non-bindingpreliminary opinion that none of FibroGen’s ’823 patent claims meet the requirements for patentability. In an oral proceeding which took place March 8 and 9,2016, the European Opposition Division confirmed that the patent as granted did not meet the requirements for patentability under the European Patent Conventionand, therefore, revoked the patent in its entirety. Likewise, with regard to the invalidity proceeding that we filed in Japan against certain claims of FibroGen’sJapanese Patent No. 4804131, or the ’131 patent, which is the Japanese counterpart to the ’823 patent, the JPO issued a preliminary decision finding all of thechallenged claims to be invalid. FibroGen subsequently amended the claims and the JPO accepted the amendments. The resulting FibroGen ’ 131 patent does notcover vadadustat or any pyridine carboxamide compounds. To date, FibroGen has been unsuccessful in its attempts to obtain a patent in the United States coveringthe same claim scope as it obtained in Europe and Japan in the ’823 and ’131 patents. In the event FibroGen were to obtain such patents in the United States, wemay decide to challenge them like we have done in Europe and Japan. On May 13, May 20, and July 6, 2015, we also filed oppositions to FibroGen’s EuropeanPatent Nos. 2322153, 2322155, and 1633333 respectively, requesting the patents be revoked in their entirety.23 In June 2013, the European Patent Office granted the ’823 patent to FibroGen. The ’823 patent claims, among other things, the use of a heterocyclic carboxamidecompound selected from the group consisting of pyridine carboxamides, quinoline carboxamides, isoquinoline carboxamides, cinnoline carboxamides, and beta-carboline carboxamides that inhibits HIF-PH enzyme activity in the manufacture of a medicament for increasing endogenous EPO in the prevention, pretreatment,or treatment of anemia. On December 5, 2013, we filed an opposition with the European Patent Office to the ’823 patent requesting that the ’823 patent be revokedin its entirety. The European Opposition Division scheduled oral proceedings for March 8, 2016 and also issued a non-binding preliminary opinion that none of the’823 patent’s claims met the requirements for patentability. In an oral proceeding which took place March 8 and 9, 2016, the European Opposition Divisionconfirmed that the patent as granted did not meet the requirements for patentability under the European Patent Convention and, therefore, revoked the patent in itsentirety. If FibroGen appeals the decision of the European Opposition Division, final resolution of the appeal will likely take two to three years. While, for thereasons set forth in our opposition, we maintain that the ’823 patent should be revoked in its entirety, the ultimate outcome of any appeal remains uncertain. IfFibroGen appeals the decision of the European Opposition Division and the Technical Board of Appeal at the European Patent Office decides not to revoke the’823 patent in its entirety, or only certain claims of the ’823 patent and any surviving claims are determined to encompass our intended use of vadadustat, we maynot be able to commercialize vadadustat in the European Union for its intended use, which could materially adversely affect our business, operating results andfinancial condition.In August 2011, the Japanese Patent Office granted the ’131 patent to FibroGen. The ’131 patent claimed, among other things, the use of certain heterocycliccarboxamides selected from the group consisting of pyridine carboxamides, quinoline carboxamides, and isoquinoline carboxamides to treat anemia, wherein theheterocyclic carboxamides also suppress HIF prolyl-hydroxylase. On June 2, 2014, we filed an invalidity proceeding in the Japanese Patent Office challenging thevalidity of the ’131 patent and requesting that certain claims be revoked in their entirety. An oral hearing before the Japanese Patent Office was held on February 9,2015, and on May 11, 2015 the Japanese Patent Office issued a preliminary decision finding all of the challenged claims to be invalid. In response, FibroGen filed arequest for correction in which it requested that the ’ 131 patent claims be amended to exclude pyridine carboxamides from their scope. On November 18, 2015 ,Akebia received the final trial decision from the JPO in which it accepted FibroGen’s requested claim amendments. As a result of the JPO’s decision andFibroGen’s subsequent amendments, the FibroGen ’ 131 patent does not cover vadadustat or any pyridine carboxamide compounds .In August 2014, the European Patent Office granted European Patent Nos. 2322153, 2322155, and 1633333 (the ’153 patent, the ’155 patent, and the ’333 patent,respectively) to FibroGen. These related patents claim, among other things, various compounds that either stabilize HIFα or inhibit a HIF hydroxylase or a HIFprolyl hydroxylase for treating or preventing various conditions, including, inter alia , iron deficiency, microcytosis associated with iron deficiency, anemia ofchronic disease, anemia wherein the subject has a transferrin saturation of less than 20%, anemia refractory to treatment with exogenously administered EPO, andmicrocytosis in microcytic anemia. On May 13, May 20, and July 6, 2015, we filed oppositions to the ’155 patent, the ’333 patent, and the ’153 patent, respectively,requesting that the patents be revoked in their entireties. While, for the reasons set forth in our oppositions, we believe that the ’153 patent, the ’155 patent, and the’333 patent should be revoked in their entireties, the ultimate outcomes of the oppositions remains uncertain.CompetitionWe operate in highly competitive segments of the biotechnology and biopharmaceutical markets. We face competition from many different sources, includingcommercial pharmaceutical and biotechnology enterprises, academic institutions, government agencies and private and public research institutions. Many of ourcompetitors have significantly greater financial, product development, manufacturing and marketing resources than us. Large pharmaceutical companies haveextensive experience in clinical testing and obtaining regulatory approval for drugs. These companies also have significantly greater research capabilities than us.Many universities and private and public research institutes are active in CKD research, some in direct competition with us. Smaller or early-stage companies mayalso prove to be significant competitors, particularly through collaborative arrangements with large and established companies. The key competitive factorsaffecting the success of vadadustat, if approved, are likely to be its efficacy, convenience and safety profile.If vadadustat is approved and launched commercially, competing drugs may include EPOGEN ® and Aranesp ® (commercialized by Amgen), Procrit ® and Eprex ®(commercialized by Johnson & Johnson) and Mircera ® (commercialized by Roche Holding Ltd., or Roche). We may face competition from potential new anemiatherapies. There are several other HIF product candidates in various stages of active development for anemia indications that may be in direct competition withvadadustat if and when they are approved and launched commercially. These candidates are being developed by such companies as FibroGen, in partnership withAstraZeneca PLC in the United States and China and with Astellas Pharma Inc. in Europe and Asia, Japan Tobacco International, GlaxoSmithKline plc and BayerHealthCare AG. FibroGen/Astellas Pharma Inc., in particular, is currently in Phase 3 clinical development of its product candidate, roxadustat (FG-4592). Some ofthese product candidates may enter the market as early as 2017. In addition, certain companies are developing potential new therapies for renal-related diseases thatcould potentially reduce rESA utilization and thus24 limit the market for vadadustat if and when it is approved and launched commercially. Such therapies include hepcidin lowering therapies, like PRS-080 fromPieris Pharmaceuticals. Other new therapies are in development for the treatment of conditions inclusive of renal anemia, like sotatercept from Acceleron PharmaInc. that may impact the market for anemia-targeted treatment.Since rESAs are biologic products, the introduction of biosimilars into the rESA market in the United States will constitute additional competition for vadadustat ifwe are able to obtain approval for and commercially launch our product. A biosimilar product is a follow-on version of an existing, branded biologic product. Thepatents for the existing, branded product must expire in a given market before biosimilars may enter that market without risk of being sued for patent infringement.In addition, an application for a biosimilar product cannot be approved by the FDA until 12 years after the existing, branded product was approved under aBiologics License Application, or BLA. The patents for epoetin alfa, an rESA, expired in 2004 in the European Union, and the remaining patents expired between2012 and 2015 in the United States. Several biosimilar versions of rESAs are available for sale in the European Union and biosimilar versions of rESAs arecurrently being pursued in the United States, which will compete with vadadustat if it is approved and marketed, and will likely drive down prices for rEPO, whichcould also adversely affect our reimbursement.In the dialysis market, it is typical to compete for and enter into long-term supply agreements with the major operators of dialysis clinics in the United States. Inparticular, two of the largest operators of dialysis clinics in the United States, DaVita Inc., or DaVita, and Fresenius, account for more than half of the rESA sales inthe U.S. dialysis market. We believe that it may be challenging to enter into or expand upon long or short-term supply agreements with DaVita, Fresenius or otheroperators of dialysis clinics.Regulatory MattersThe FDA and comparable regulatory authorities in state and local jurisdictions and in other countries impose substantial and burdensome requirements uponcompanies involved in the clinical development, manufacture, marketing, labeling and packaging, storage, distribution, post-approval monitoring and reporting,advertising and promotion, pricing, and export and import of drugs. The process of obtaining regulatory approvals and the subsequent compliance with appropriatefederal, state, local and foreign statutes and regulations requires the expenditure of substantial time and financial resources. Moreover, failure to comply withapplicable regulatory requirements may result in, among other things, warning letters, clinical holds, civil or criminal penalties, recall or seizure of products,injunction, disbarment, partial or total suspension of production or withdrawal of the product from the market. Any agency or judicial enforcement action couldhave a material adverse effect on us.U.S. Government RegulationIn the United States, the FDA regulates drug products under the Federal Food, Drug, and Cosmetic Act, or FD&C Act, and the FDA’s implementing regulations. Ifwe fail to comply with applicable FDA or other requirements at any time during the drug development process, clinical testing, approval process or after approval,we may become subject to administrative or judicial sanctions. These sanctions could include the FDA’s refusal to approve pending applications, licensesuspension or revocation, withdrawal of an approval, warning letters, product recalls, product seizures, total or partial suspension of production or distribution,injunctions, fines, civil penalties or criminal prosecution. Any FDA enforcement action could have a material adverse effect on us. FDA approval is required beforeany new unapproved drug or dosage form, including a new use of a previously approved drug, can be marketed in the United States.The process required by the FDA before a drug may be marketed in the United States generally involves: ·completion of extensive nonclinical laboratory tests, nonclinical animal studies and formulation studies performed in accordance with the FDA’scurrent Good Laboratory Practice, or cGLP, regulations; ·submission to the FDA of an IND application which must become effective before human clinical trials in the United States may begin; ·approval by an IRB or ethics committee at each clinical trial site before each trial may be initiated; ·performance of adequate and well-controlled human clinical trials to establish the safety and efficacy of the drug candidate for each proposedindication; ·submission to the FDA of an NDA; ·satisfactory completion of an FDA inspection of the manufacturing facility or facilities at which the drug is produced to assess compliance withcurrent cGMP regulations;25 ·satisfactory completion of a potential review by an FDA advisory committee, if applicable; and ·FDA review and approval of the NDA prior to any commercial marketing, sale or commercial shipment of the drug in the United States.The manufacturing, nonclinical testing, clinical testing and approval process requires substantial time, effort and financial resources, and we cannot be certain thatany approvals for our product candidates will be granted on a timely basis, if at all. Nonclinical tests include laboratory evaluation of product chemistry,formulation, stability and toxicity, as well as animal studies to assess the characteristics and potential safety and efficacy of the product.The results of nonclinical tests, together with manufacturing information, analytical data and a proposed clinical trial protocol, and other information, are submittedas part of an IND to the FDA. The central focus of an IND submission is on the general investigational plan and the protocol(s) for human studies. Somenonclinical testing may continue even after the IND is submitted, but an IND must become effective before human clinical trials may begin in the United States.The IND automatically becomes effective 30 days after receipt by the FDA, unless the FDA, within the 30-day time period, raises concerns or questions relating toone or more proposed clinical trials and places the clinical trial on a clinical hold, including concerns that human research subjects will be exposed to unreasonablehealth risks. In such a case, the IND sponsor and the FDA must resolve any outstanding concerns before the clinical trial can begin. Accordingly, submission of anIND may or may not result in the FDA allowing clinical trials to commence. A separate amendment to an existing IND must also be made for each successiveclinical trial conducted during product development.Clinical trials involve the administration of the investigational drug to human subjects under the supervision of qualified investigators in accordance with cGCPs,which include the requirement that all research subjects provide their informed consent for their participation in any clinical trial. Clinical trials are conductedunder protocols detailing, among other things, the objectives of the clinical trial, the parameters to be used in monitoring safety and the effectiveness criteria to beused. Each protocol in the United States must be submitted to the FDA as part of the IND. In addition, an independent institutional review board, or IRB, or ethicscommittee for each medical center proposing to conduct a clinical trial must also review and approve a plan for any clinical trial before it can begin at that centerand the IRB must monitor the clinical trial until it is completed. There are also requirements governing the reporting of ongoing clinical trials and clinical trialresults to public registries.A sponsor who wishes to conduct a clinical trial outside the United States may, but need not, obtain FDA authorization to conduct the clinical trial under an IND. Ifa foreign clinical trial is not conducted under an IND, the sponsor may submit data from the clinical trial to the FDA in support of an NDA so long as the clinicaltrial is conducted in compliance with an international guideline for the ethical conduct of clinical research known as the Declaration of Helsinki, as set out in theFDA regulations or with the laws and regulations of the country or countries in which the clinical trial is performed, whichever provides the greater protection tothe participants in the clinical trial.Government Regulation Outside U.S.In addition to regulations in the United States, we will be subject to a variety of regulations in other jurisdictions governing, among other things, clinical trials andany commercial sales and distribution of our products. Whether or not we obtain FDA approval for a product, we must obtain the requisite approvals fromregulatory authorities in foreign countries prior to the commencement of clinical trials or marketing of the product in those countries.Certain countries outside of the United States have a similar process that requires the submission of a clinical trial application, or CTA, much like the IND, prior tothe commencement of human clinical trials. In Europe, for example, a CTA must be approved by each country’s national health authority and an independent ethicscommittee, much like the FDA and IRB, respectively. Once the CTA is approved in accordance with a country’s requirements, the clinical trial may proceed.Outside of the United States, each clinical trial to be conducted in a given country requires submission and approval of a unique CTA.The requirements and process governing the conduct of clinical trials, product licensing, pricing and reimbursement vary from country to country. In all cases, theclinical trials are conducted in accordance with cGCP requirements and the applicable regulatory requirements and the ethical principles that have their origin in theDeclaration of Helsinki. To obtain regulatory approval of an investigational drug under European Union regulatory systems, we must submit a MarketingAuthorization Application (MAA). The application used to file the NDA in the United States is similar to that required in Europe, with the exception of, amongother things, country-specific document requirements.An approved Paediatric Investigation Plan (PIP) is required in Europe prior to submission of the MAA. Ideally, the pediatric studies in both the U.S. PSP and theEU PIP will be identical, but some differences may be required to meet the respective regulatory requirements (e.g., waiver age). The PIP outlines the studydesigns and timing of the pediatric program. The EMA Pediatric26 Committee (PDCO) and the FDA’s Office of Pediatric Therapeut ics have frequent discussions about pediatric drug development, including discussions aboutspecific drugs. Often, these discussions are conducted in an attempt to harmonize pediatric drug development across the two jurisdictions. However, this cannot beguaranteed.For other countries outside of the European Union, such as countries in Eastern Europe, Latin America or Asia, the requirements governing the conduct of clinicaltrials, product licensing, pricing and reimbursement vary from country to country. In all cases, again, the clinical trials must be conducted in accordance with GCPrequirements and the applicable regulatory requirements and the ethical principles that have their origin in the Declaration of Helsinki.If we fail to comply with applicable foreign regulatory requirements, we may be subject to, among other things, fines, suspension or withdrawal of regulatoryapprovals, product recalls, seizure of products, operating restrictions and criminal prosecution.Clinical TrialsClinical trials are typically conducted in three or four phases, which may overlap or be combined: ·Phase 1: Clinical trials are initially conducted in a limited population of subjects to test the drug candidate for safety, dose tolerance, absorption,metabolism, distribution and excretion in healthy humans or, on occasion, in patients with severe problems or life threatening diseases to gain anearly indication of its effectiveness. ·Phase 2: Clinical trials are generally conducted in a limited patient population to evaluate dosage tolerance and appropriate dosage, identify possibleadverse effects and safety risks, and evaluate preliminarily the efficacy of the drug for specific targeted indications in patients with the disease orcondition under study. ·Phase 3: Clinical trials are typically conducted when Phase 2 clinical trials demonstrate that a dose range of the product candidate is effective and hasan acceptable safety profile. Phase 3 clinical trials are commonly referred to as “pivotal” studies, which typically denotes a study which presents thedata that the FDA or other relevant regulatory agencies will use to determine whether or not to approve a drug. Phase 3 clinical trials are generallyundertaken with large numbers of patients, such as groups of several hundred to several thousand, to further evaluate dosage, to provide substantialevidence of clinical efficacy and to further test for safety in an expanded and diverse patient population at multiple, geographically-dispersed clinicaltrial sites. ·Phase 4: In some cases, FDA may condition approval of an NDA for a product candidate on the sponsor’s agreement to conduct additional clinicaltrials after NDA approval. In other cases, a sponsor may voluntarily conduct additional clinical trials post-approval to gain more information aboutthe drug. Such post approval trials are typically referred to as Phase 4 clinical trials.The FDA, the IRB, or the sponsor may suspend or discontinue a clinical trial at any time on various grounds, including a finding that the subjects are being exposedto an unacceptable health risk. Additionally, some clinical trials are overseen by an independent group of qualified experts organized by the clinical trial sponsor,known as a data safety monitoring board or committee. This group provides recommendations for whether or not a trial may move forward at designated checkpoints based on access to certain data from the study. A sponsor may also suspend or terminate a clinical trial based on evolving business objectives and/orcompetitive climate.Concurrent with clinical trials, companies usually complete additional animal testing and must also develop additional information about the chemistry andphysical characteristics of the drug and finalize a process for manufacturing the drug in commercial quantities in accordance with cGMP requirements. Themanufacturing process must be capable of consistently producing quality batches of the drug candidate and, among other things, the manufacturer must developmethods for testing the identity, strength, quality and purity of the final drug product. Additionally, appropriate packaging must be selected and tested and stabilitystudies must be conducted to demonstrate that the drug candidate does not undergo unacceptable deterioration over its shelf life.New Drug ApplicationsThe clinical trials, together with the results of nonclinical studies and extensive manufacturing information and information on the composition of the drug, aresubmitted to the FDA in the form of an NDA requesting approval to market the drug for one or more specified indications. The FDA reviews an NDA to determine,among other things, whether a drug is safe and effective for its intended use.Once the NDA submission has been accepted for review, under the Prescription Drug User Fee Act (PDUFA), the FDA has a goal of responding to standard reviewNDAs within ten months after the 60-day filing review period, but this timeframe is often extended. The first indication of the FDA’s review progress is providedat the mid-cycle review. This typically occurs five months after the27 NDA is accepted for review. However, the review process is often significantly extended by FDA requests for additional information or clarification. The FDAmay refer the application to an advisory committee for review, evaluation and recommendation as to whether the application should be approved. The FDA is notbound by the recommendation of an advisory committee, but it generally follows such recommendations.Before approving an application, the FDA will inspect the facility or the facilities at which the finished drug product, and sometimes the active drug ingredient, ismanufactured, and will not approve the drug unless cGMP compliance is satisfactory. The FDA may also inspect the sites at which the clinical trials wereconducted to assess their compliance, and will not approve the drug unless compliance with GCP requirements is satisfactory.After the FDA evaluates the NDA and conducts inspections of manufacturing facilities, it may issue an approval letter or a Complete Response Letter (CRL). Anapproval letter authorizes commercial marketing of the drug with specific prescribing information for specific indications. A CRL indicates that the review cycle ofthe application is complete but the application is not yet ready for approval. A CRL may require additional clinical data and/or other significant, expensive, andtime-consuming requirements related to clinical trials, nonclinical studies and/or manufacturing. Even if such data are submitted, the FDA may ultimately decidethat the NDA does not satisfy the criteria for approval. Data from clinical trials are not always conclusive and the FDA may interpret data differently than weinterpret data. The FDA could also approve the NDA with a REMS to mitigate risks, which could include medication guides, physician communication plans, orelements to ensure safe use, such as restricted distribution programs, patient registries or other risk minimization tools. The FDA may also condition approval on,among other things, changes to proposed labeling, development of adequate controls and specifications, or a commitment to conduct one or more post-marketstudies or clinical trials. Such post-market testing may include Phase 4 clinical trials and surveillance to further assess and monitor the product’s safety andeffectiveness after commercialization.An approved Pediatric Study Plan (PSP) is required for vadadustat under the Pediatric Research Equity Act (PREA) prior to submission of the NDA. The PSPoutlines the study designs and timing of the pediatric program. Once the PSP is approved, Akebia and FDA will have reached agreement on the pediatric studiesnecessary for vadadustat, any deferrals from pediatric data to be included in the NDA, and any waivers of pediatric age ranges in which vadadustat need not bestudied.Once the FDA approves an NDA, or supplement thereto, the FDA may withdraw the approval if ongoing regulatory requirements are not met or if safety problemsare identified after the drug reaches the market. Where a withdrawal may not be appropriate, the FDA still may seize existing inventory of such drug or request arecall of any drug already on the market. In addition, the FDA has the authority to prevent or limit further marketing of a drug based on the results of post-marketstudies or surveillance programs.After regulatory approval of a drug is obtained, companies are subject to a number of post-approval requirements. For example, there are reporting obligationsregarding certain adverse events received and production problems. Companies are also required to report updated safety and efficacy information and to complywith requirements concerning advertising and promotional labeling. Drugs may be marketed only for the FDA approved indications and in accordance with theprovisions of the approved labeling. The FDA closely regulates the post-approval marketing and promotion of drugs, including standards and regulations for direct-to-consumer advertising, off-label promotion, industry-sponsored scientific and educational activities and promotional activities involving the Internet. A companycan make only those claims relating to safety and efficacy that are approved by the FDA. Failure to comply with these requirements can result in warning letters,adverse publicity, corrective advertising and potential civil and criminal penalties. Physicians may prescribe legally available drugs for uses that are not describedin the product’s labeling and that differ from those tested by us and approved by the FDA. Such off-label uses are common across medical specialties. Physiciansmay believe that such off-label uses are the best treatment for many patients in varied circumstances. The FDA does not regulate the behavior of physicians in theirchoice of treatments. The FDA does, however, impose stringent restrictions on manufacturers’ communications regarding off-label use.Further, if there are any modifications to the drug, including changes in indications, labeling, or manufacturing processes or facilities, the applicant may be requiredto submit and obtain FDA approval of a new NDA or NDA supplement, which may require the applicant to develop additional data or conduct additionalnonclinical studies and clinical trials. As with new NDAs, the review process is often significantly extended by the FDA requests for additional information orclarification. Also, quality control and manufacturing procedures must continue to conform to cGMP requirements after approval to ensure and preserve the longterm identity, strength, quality, and purity of the drug product. The FDA periodically inspects manufacturing facilities to assess compliance with cGMPrequirements, which imposes extensive procedural, substantive and record-keeping requirements. In addition, changes to the manufacturing process are strictlyregulated, and, depending on the significance of the change, may require prior FDA approval before being implemented. FDA regulations also require investigationand correction of any deviations from cGMP requirements, and impose reporting and documentation requirements upon us and any third-party manufacturers thatwe may decide to use. Accordingly, manufacturers must continue to expend time, money and effort in the area of production and quality control to maintaincompliance with cGMP requirement and other aspects of regulatory compliance.28 The testing and approval processes require substantial time, effort and financial resources, and each may take several years to complete. The FDA may not grantapproval on a timely basis, or at all. Even if we believe a clinical trial has demonstr ated safety and efficacy of one of our drug candidates for the treatment of adisease, the results may not be satisfactory to the FDA. Nonclinical and clinical data may be interpreted by the FDA in different ways, which could delay, limit orprevent regula tory approval. We may encounter difficulties or unanticipated costs in our efforts to secure necessary governmental approvals which could delay orpreclude us from marketing drugs. The FDA may limit the indications for use or place other conditions on any approvals that could restrict the commercialapplication of the drugs.Fraud and Abuse LawsIn the United States, the research, manufacturing, distribution, sale and promotion of drug products and medical devices are subject to regulation by various federal,state and local authorities in addition to the FDA, including the CMS, other divisions of the U.S. Department of Health and Human Services (e.g., the Office ofInspector General), the U.S. Department of Justice, state Attorneys General, and other state and local government agencies.These laws include the federal Anti-Kickback Statute, which makes it illegal for any person, including a prescription drug manufacturer (or a party acting on itsbehalf) to knowingly and willfully solicit, receive, offer, or pay any remuneration that is intended to induce the referral of business, including the purchase, order,or prescription of a particular drug, for which payment may be made under a federal healthcare program, such as Medicare or Medicaid. Violations of this law arepunishable by up to five years in prison, criminal fines, administrative civil money penalties, and exclusion from participation in federal healthcare programs. Inaddition, the PPACA, among other things, amends the intent requirement of the federal Anti-Kickback Statute and criminal healthcare fraud statutes created byHIPAA. A person or entity no longer needs to have actual knowledge of the statute or specific intent to violate it. Moreover, the PPACA provides that thegovernment may assert that a claim including items or services resulting from a violation of the federal anti-kickback statute constitutes a false or fraudulent claimfor purposes of the False Claims Act.Although we would not submit claims directly to payors, drug manufacturers can be held liable under the federal False Claims Act, which prohibits anyone fromknowingly presenting, or causing to be presented, for payment to federal programs (including Medicare and Medicaid) claims for items or services, includingdrugs, that are false or fraudulent, claims for items or services not provided as claimed, or claims for medically unnecessary items or services. The government maydeem manufacturers to have “caused” the submission of false or fraudulent claims by, for example, providing inaccurate billing or coding information to customersor promoting a product off-label. In addition, our future activities relating to the reporting of wholesaler or estimated retail prices for our products, the reporting ofprices used to calculate Medicaid rebate information and other information affecting federal, state, and third-party reimbursement for our products, and the sale andmarketing of our products, are subject to scrutiny under this law. Penalties for a False Claims Act violation include three times the actual damages sustained by thegovernment, plus mandatory civil penalties for each separate false claim, the potential for exclusion from participation in federal healthcare programs, and,although the federal False Claims Act is a civil statute, conduct that results in a False Claims Act violation may also implicate various federal criminal statutes. Ifthe government were to allege that we were, or convict us of, violating these false claims laws, we could be subject to a substantial fine and may suffer a decline inour stock price. In addition, private individuals have the ability to bring actions under the federal False Claims Act and certain states have enacted laws modeledafter the federal False Claims Act.In addition to the laws described above, the PPACA also imposed new reporting requirements on drug manufacturers for payments made to physicians and teachinghospitals, as well as ownership and investment interests held by physicians and their immediate family members. Failure to submit required information may resultin civil monetary penalties for all payments, transfers of value or ownership or investment interests that are not timely, accurately and completely reported in anannual submission. Drug manufacturers were required to begin collecting data on August 1, 2013 and are required to submit reports to CMS by the 90 th day of eachsubsequent calendar year.In addition, many states have adopted laws similar to the federal laws discussed above. Some of these state prohibitions apply to the referral of patients forhealthcare services reimbursed by any insurer, not just federal healthcare programs such as Medicare and Medicaid. There has also been a recent trend of increasedfederal and state regulation of payments made to physicians. Certain states mandate implementation of compliance programs, impose restrictions on drugmanufacturers’ marketing practices and/or require the tracking and reporting of gifts, compensation and other remuneration to physicians. Because we intend tocommercialize products that could be reimbursed under a federal healthcare program and other governmental healthcare programs, we plan to develop acomprehensive compliance program that establishes internal controls to facilitate adherence to the rules and program requirements to which we will or may becomesubject. Although compliance programs can mitigate the risk of investigation and prosecution for violations of these laws, the risks cannot be entirely eliminated.Due to the breadth of and ambiguities in these laws, the absence of guidance in the form of regulations or court decisions, and the potential for additional legal orregulatory change in this area, it is possible that our future sales and marketing practices and/or our future relationships with physicians might be challenged underthese laws. Any action against us for violation of these laws, even if we successfully defend against it, could cause us to incur significant legal expenses and divertour management’s attention from the operation of our business.29 Third-Party Coverage and ReimbursementSales of pharmaceutical products depend in significant part on the availability of coverage and adequate reimbursement by third-party payors, such as state andfederal governments, including Medicare and Medicaid, and commercial managed care providers. In the United States, no uniform policy of coverage andreimbursement for drug products exists among third-party payors. Accordingly, decisions regarding the extent of coverage and amount of reimbursement to beprovided for vadadustat will be made on a payor by payor basis. As a result, the coverage determination process is often a time-consuming and costly process thatwill require us to provide scientific and clinical support for the use of our product candidates to each payor separately, with no assurance that coverage andadequate reimbursement will be obtained. Third-party payors may limit coverage to specific drug products on an approved list, or formulary, which might notinclude all of the FDA-approved drugs for a particular indication. A decision by a third-party payor not to cover our product candidates could reduce physicianutilization of our products once approved and have a material adverse effect on our future sales, results of operations and financial condition. Moreover, a payor’sdecision to provide coverage for a drug product does not imply that an adequate reimbursement rate will be approved. Adequate third-party reimbursement may notbe available to enable us to maintain price levels sufficient to realize an appropriate return on our investment in product development.Healthcare ReformIn March 2010, the PPACA was enacted, which includes measures that have or will significantly change the way health care is financed by both governmental andprivate insurers. Among the provisions of PPACA of greatest importance to the pharmaceutical industry are the following: ·Effective in 2010, PPACA made several changes to the Medicaid Drug Rebate Program, including increasing pharmaceutical manufacturers’ rebateliability by raising the minimum basic Medicaid rebate on most branded prescription drugs and biologic agents from 15.1% of average manufacturerprice, or AMP, to 23.1% of AMP and adding a new rebate calculation for “line extensions” (i.e., new formulations, such as extended releaseformulations) of solid oral dosage forms of branded products, as well as potentially impacting their rebate liability by modifying the statutorydefinition of AMP. ·PPACA also expanded the universe of Medicaid utilization subject to drug rebates by requiring pharmaceutical manufacturers to pay rebates onMedicaid managed care utilization as of 2010 and by expanding the population potentially eligible for Medicaid drug benefits, to be phased-in by2014. CMS has proposed to expand Medicaid rebate liability to the territories of the United States as well. ·In addition, PPACA provides for the public availability of retail survey prices and certain weighted average AMPs under the Medicaid program. Theimplementation of this requirement by the CMS may also provide for the public availability of pharmacy acquisition cost data, which couldnegatively impact our sales. ·Effective in 2010, PPACA expanded the types of entities eligible to receive discounted 340B pricing, although, under the current state of the law,with the exception of children’s hospitals, these newly eligible entities will not be eligible to receive discounted 340B pricing on orphan drugs whenused for the orphan indication. In addition, as 340B drug pricing is determined based on AMP and Medicaid rebate data, the revisions to theMedicaid rebate formula and AMP definition described above could result in an increase in the required 340B discounts. ·Effective in 2011, PPACA imposed a requirement on manufacturers of branded drugs and biologic agents to provide a 50% discount off thenegotiated price of branded drugs dispensed to Medicare Part D patients in the coverage gap (i.e., “donut hole”). ·Effective in 2011, PPACA imposed an annual, nondeductible fee on any entity that manufactures or imports certain branded prescription drugs andbiologic agents, apportioned among these entities according to their market share in certain government healthcare programs, although this fee wouldnot apply to sales of certain products approved exclusively for orphan indications. ·As of 2010, a new Patient-Centered Outcomes Research Institute was established pursuant to PPACA to oversee, identify priorities in, and conductcomparative clinical effectiveness research, along with funding for such research. The research conducted by the Patient-Centered OutcomesResearch Institute may affect the market for certain pharmaceutical products.30 ·PPACA created the Independent Payment Advisory Board which, beginning in 2014, will have authority to recommend certain changes to theMedicare program to reduce expenditures by the program that could result in reduced payments for prescription drugs. Unde r certain circumstances,these recommendations will become law unless Congress enacts legislation that will achieve the same or greater Medicare cost savings. ·PPACA established the Center for Medicare and Medicaid Innovation within CMS to test innovative payment and service delivery models to lowerMedicare and Medicaid spending, potentially including prescription drug spending. Funding has been allocated to support the mission of the Centerfor Medicare and Medicaid Innovation from 2011 to 2019.Certain details regarding the implementation of PPACA are yet to be determined and, the full effect that PPACA would have on our business is not fullyunderstood. In addition, we expect that additional state and federal healthcare reform measures will be adopted in the future. Because we anticipate that asignificant proportion of patients eligible for vadadustat will be covered by Medicare Part D, any government healthcare reform measures which limit the amountsthat federal and state governments will pay for healthcare products and services could result in reduced demand for our products once approved or additionalpricing pressures.Other RegulationsWe are also subject to numerous federal, state and local laws relating to such matters as safe working conditions, manufacturing practices, environmentalprotection, fire hazard control, and disposal of hazardous or potentially hazardous substances. We may incur significant costs to comply with such laws andregulations now or in the future.EmployeesAs of December 31, 2015, we had 64 employees, 63 of whom were full-time, 13 of whom hold Ph.D. or M.D. degrees, 39 of whom were engaged in research anddevelopment activities and 25 of whom were engaged in business development, finance, information systems, facilities, human resources or administrative support.None of our employees are represented by any collective bargaining unit. We believe that we maintain good relations with our employees.FacilitiesOur corporate headquarters are located in Cambridge, Massachusetts. We currently lease approximately 39,411 square feet of office space in Cambridge,Massachusetts under a lease that expires on August 31, 2026. We believe that our existing facilities are adequate to meet our current needs, and that suitableadditional alternative spaces will be available in the future on commercially reasonable terms for our future growth. 31 Ite m 1A.Risk Factors The following risk factors and other information included in this Annual Report on Form 10-K should be carefully considered. The risks and uncertaintiesdescribed below are not the only ones we face. Additional risks and uncertainties not presently known to us or that we currently believe to be immaterial mayalso adversely affect our business. Please reference our “Cautionary Note Regarding Forward-Looking Statements,” which identifies certain forward-lookingstatements contained in this report that are qualified by these risk factors. If any of the following risks occur, our business, financial condition, results ofoperations and future growth prospects could be materially and adversely affected.Risks Related to our Financial Position and Need for Additional CapitalWe have incurred significant losses since inception and anticipate that we will continue to incur significant losses for the foreseeable future and may neverachieve or maintain profitability.We have incurred net losses each year since our inception, including net losses of $60.7 million for the year ended December 31, 2015, and $37.0 million for theyear ended December 31, 2014. As of December 31, 2015, we had an accumulated deficit of $161.4 million. To date, we have not commercialized any products orgenerated any revenue from the sale of products, and we do not expect to generate any product revenue in the foreseeable future. We do not know whether or whenwe will generate revenue or become profitable.We have devoted most of our financial resources to research and development, including our clinical and preclinical development activities. To date, we havefinanced our operations primarily through our initial public offering, or IPO, completed in March 2014, our follow-on offerings completed in April 2015 andJanuary 2016, our at-the-market offering in 2015 and private placements of our preferred stock. The amount of our future net losses will depend, in part, on the rateof our future expenditures, and our financial position will depend, in part, on our ability to obtain funding through equity or debt financings or strategiccollaboration. Our lead product candidate, vadadustat, recently commenced Phase 3 development, and our other product candidate, AKB-6899, may enter clinicaldevelopment in 2016 with anticipated completion of the Phase 1 study in oncology in late 2017. Therefore, we expect that it will be several years, if ever, before wehave a product candidate ready for commercialization. Even if we obtain regulatory approval to market vadadustat, our future revenue will depend upon the size ofany markets in which vadadustat has received approval, our ability to achieve sufficient market acceptance, the availability and extent of reimbursement from third-party payors and other factors.We expect to continue to incur significant expenses and increased operating losses for the foreseeable future. We anticipate that our expenses will increasesignificantly if and as we: ·conduct our Phase 3 development program of vadadustat for the treatment of anemia secondary to CKD, including the PRO 2 TECT and INNO 2VATE programs; ·commence clinical development of AKB-6899 or other product candidates; ·seek regulatory approvals for our product candidates that successfully complete clinical studies; ·have our product candidates manufactured for clinical trials and for commercial sale; ·establish a sales, marketing and distribution infrastructure to commercialize any products for which we may obtain marketing approval; ·initiate additional preclinical, clinical or other studies for additional indications for vadadustat, AKB‑6899 and other product candidates that we maydevelop or acquire; ·seek to discover and develop additional product candidates; ·acquire or in-license other commercial products, product candidates and technologies; ·make royalty, milestone or other payments under any future in-license agreements; ·maintain, protect and expand our intellectual property portfolio; ·attract and retain skilled personnel; and ·continue to create additional infrastructure to support our operations as a public company.32 Because of the numerous risks and uncertainties associated with pharmaceutical product development, we are unable to accurately predict the timing or amount ofincreased expenses or when, if at all, we will be able to achieve profitability. If we are requi red by the FDA or EMA, or other regulatory authorities to performstudies in addition to, different from or larger than those currently expected, or if there are any delays in completing our clinical trials or the development of any ofour product candidat es, our expenses could increase.The net losses we incur may fluctuate significantly from quarter to quarter and year to year, such that a period-to-period comparison of our results of operationsmay not be a good indication of our future performance. In any particular quarter or quarters, our operating results could be below the expectations of securitiesanalysts or investors, which could cause our stock price to decline.To become and remain profitable, we must succeed in developing and commercializing our product candidates, which must generate significant revenue. This willrequire us to be successful in a range of challenging activities, including completing preclinical testing and clinical trials of our product candidates, discovering oracquiring additional product candidates, obtaining regulatory approval for these product candidates and manufacturing, marketing and selling any products forwhich we may obtain regulatory approval. We are only in the preliminary stages of most of these activities. We may never succeed in these activities and, even ifwe do, may never generate revenue that is significant enough to achieve profitability.Even if we do achieve profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis. Our failure to become and remainprofitable could depress the value of our company and could impair our ability to raise capital, expand our business, maintain our research and development efforts,diversify our product offerings or even continue our operations. A decline in the value of our company could cause our stockholders to lose all or part of theirinvestment. We will require substantial additional financing. A failure to obtain this necessary capital when needed could force us to delay, limit, reduce or terminate ourproduct development or commercialization efforts.As of December 31, 2015, our cash and cash equivalents and available for sale securities were $138.5 million. After giving effect to the receipt of the net proceedsof approximately $61.0 million from our January 2016 follow-on offering and $40.0 million received in January 2016 in connection with our collaboration withMitsubishi, our cash and cash equivalents and available for sale securities would have been approximately $239.5 million. We believe that we will continue toexpend substantial resources for the foreseeable future developing vadadustat, AKB-6899 and any other product candidates that we may develop or acquire. Theseexpenditures will include costs associated with research and development, potentially obtaining regulatory approvals and having our products manufactured, aswell as marketing and selling products approved for sale, if any. In addition, other unanticipated costs may arise as a result of our decision to include certainelements in our programs. Because the outcome of our current and anticipated clinical trials is highly uncertain, we cannot reasonably estimate the actual amount offunding necessary to successfully complete the development and commercialization of our product candidates.Our future capital requirements depend on many factors, including: ·the results of our meetings with the FDA and the EMA and other regulatory authorities and the consequential effect on study design, study size andresulting operating costs; ·the size, rate of progress, results and costs of initiating and completing our global Phase 3 development of vadadustat; ·difficulties or delays in enrolling patients in our clinical trials; ·significant costs associated with our Phase 3 clinical studies of vadadustat for the treatment of anemia secondary to CKD; we expect the cost of thePhase 3 program to be in the range of $80,000 to $85,000 per patient and we plan to enroll approximately 3,100 patients in PRO 2 TECT andapproximately 2,600 patients in INNO 2 VATE, aggregating in the range of $456.0 million to $484.5 million for the total program; ·assuming favorable Phase 3 clinical results, the timing of, and the costs involved in, obtaining regulatory approvals for vadadustat in dialysis andnon-dialysis indications, including to fund the preparation and filing of regulatory submissions for vadadustat with the FDA, the EMA and otherregulatory authorities, and whether we will seek regulatory approval for both indications simultaneously; ·the cost, timing and outcome of our efforts to obtain marketing approval for vadadustat in the United States, Europe and in other jurisdictions; ·the scope, progress, results and costs of additional preclinical, clinical, or other studies for additional indications for vadadustat, AKB-6899 and otherproduct candidates that we may develop or acquire; ·the timing of, and the costs involved in, obtaining regulatory approvals for AKB-6899 if clinical studies are successful;33 ·the cost and timing of future commercialization activities for our products, if any of our product candidates are approved for marketing, includingproduct manufacturing, marketing, sales and distribution costs; ·the revenue, if any, received from commercial sales of our product candidates for which we receive marketing approval; ·the cost of having our product candidates manufactured for clinical trials and in preparation for commercialization; ·our ability to establish and maintain strategic collaborations, licensing or other arrangements and the financial terms of such agreements and the leveland timing of funding for these agreements; ·the costs involved in preparing, filing and prosecuting patent applications and maintaining, defending and enforcing our intellectual property rights,including litigation costs, and the outcome of such litigation; and ·the extent to which we acquire or in-license other products, product candidates or technologies.Based on our current operating plan, and absent any future financings or strategic partnerships, we believe that our existing cash and cash equivalents and availablefor sale securities at December 31, 2015, together with the net proceeds from our January 2016 offering and the funds received in January 2016 in connection withour collaboration agreement with Mitsubishi Tanabe, will be sufficient to fund our projected operating expenses and capital expenditure requirements through atleast the second quarter of 2017.However, we do not currently estimate that these funds will enable us to complete our Phase 3 development of vadadustat, including both the PRO 2 TECT andINNO 2 VATE clinical programs. We have based these estimates on assumptions that may prove to be wrong, and we could use our available capital resourcessooner than we currently expect. We intend to secure a second geographic collaboration for the development and commercialization of vadadustat outside theUnited States with a goal of providing funds sufficient to enable us to complete our Phase 3 development of vadadustat, including both the PRO 2 TECT and INNO2 VATE clinical programs. However, there can be no assurance that our development milestones will be achieved, that we will be able to secure a secondgeographic collaboration for the development and commercialization of vadadustat outside the United States or that we will secure other sources of financing tocomplete our Phase 3 development of vadadustat.We will require additional capital for the further development of our existing product candidates and will also need to raise additional funds sooner to pursue otherdevelopment activities related to additional product candidates. If and until we can generate a sufficient amount of revenue from our products, we expect to financefuture cash needs through public or private equity, debt offerings, or strategic transactions. There can be no assurance that additional funds will be available to uson acceptable terms or at all. If we are unable to raise additional capital in sufficient amounts or on terms acceptable to us, we may have to significantly delay,scale back or discontinue the development or commercialization of one or more of our product candidates. If we raise additional funds through the issuance ofadditional debt or equity securities, it could result in dilution to our existing stockholders or increased fixed payment obligations, and any such securities may haverights senior to those of our common stock. If we incur indebtedness, we could become subject to covenants that would restrict our operations and potentiallyimpair our competitiveness, such as limitations on our ability to incur additional debt, limitations on our ability to acquire, sell or license intellectual property rightsand other operating restrictions that could adversely impact our ability to conduct our business. Any of these events could significantly harm our business, financialcondition and prospects.Raising additional capital may cause dilution to our existing stockholders, restrict our operations or require us to relinquish rights to product candidates onunfavorable terms to us.Until such time, if ever, as we can generate substantial product revenue, we expect to finance our cash needs through a combination of equity offerings, debtfinancings and license, development and commercialization agreements with collaborators. To the extent that we raise additional capital through the sale of equityor convertible debt securities, the ownership interests of our common stockholders will be diluted, and the terms may include liquidation or other preferences andanti-dilution protections that adversely affect the rights of our common stockholders. Debt financing, if available, may involve agreements that include covenantslimiting or restricting our ability to take certain actions, such as incurring additional debt, making capital expenditures or declaring dividends. If we raise additionalfunds through strategic collaborations with third parties, we may have to relinquish valuable rights to our product candidates, future revenue streams, researchprograms or product candidates or grant licenses on terms that are not favorable to us. If we are unable to raise additional funds through equity or debt financingwhen needed, we may be required to delay, limit, reduce or terminate our product development or commercialization efforts for vadadustat, AKB‑6899 or anyother product candidates that we develop or acquire, or grant rights to develop and market product candidates that we would otherwise prefer to develop and marketourselves.34 Our limited operating history may make it difficult for you to evaluate the success of our business to date and to assess our future viability.We commenced active operations in 2007, and our operations to date have been limited to organizing and staffing our company, business planning, raising capital,identifying potential product candidates, undertaking preclinical studies and conducting clinical trials. We currently have two product candidates.Biopharmaceutical product development is a highly speculative undertaking and involves a substantial degree of risk. Only a small percentage of biopharmaceuticaldevelopment programs ultimately result in commercial products or even product candidates and a number of events could delay our development efforts andnegatively impact our ability to obtain regulatory approval for, and to manufacture, market and sell, a biopharmaceutical product. We have not yet demonstratedour ability to successfully complete later stage clinical trials, obtain regulatory approvals, manufacture a commercial scale product, or arrange for a third party to doso on our behalf, or conduct sales and marketing activities necessary for successful product commercialization.In addition, as a relatively young business, we may encounter unforeseen expenses, difficulties, complications, delays and other known and unknown factors. Wewill need to expand our capabilities to support commercial activities. We may not be successful in adding such capabilities.Risks Related to our Business and the Clinical Development, Regulatory Review and Approval of Vadadustat and AKB-6899We depend heavily on the success of one product candidate, vadadustat, which is in Phase 3 development. Even if we obtain favorable clinical results in ourPhase 3 studies, we may not be able to obtain regulatory approval for, or successfully commercialize, vadadustat.We currently have only one product candidate, vadadustat, in clinical development, and our business depends almost entirely on the successful clinicaldevelopment, regulatory approval and commercialization of that product candidate, which may never occur. We currently have no drug products for sale, generateno revenue from sales of any drugs, and may never be able to develop marketable drug products. Vadadustat, which is in Phase 3 development, will requiresubstantial additional clinical development, testing, manufacturing process development, and regulatory approval before we are permitted to commence itscommercialization. We expect to commence clinical development of our other product candidate, AKB-6899, in 2016. The clinical trials of our product candidatesare, and the manufacturing and marketing of our product candidates will be, subject to extensive and rigorous review and regulation by numerous governmentauthorities in the United States and in other countries where we intend to test and, if approved, market any product candidates. Before obtaining regulatory approvalfor the commercial sale of any product candidate, we must demonstrate through extensive preclinical testing and clinical trials that the product candidate is safe andeffective for use in each target indication. This process can take many years. Of the large number of drugs in development in the United States, only a smallpercentage successfully complete the FDA regulatory approval process and are commercialized. Accordingly, even if we are able to obtain the requisite capital tocontinue to fund our development and clinical programs, we may be unable to successfully develop or commercialize vadadustat.We are not permitted to market vadadustat in the United States until we receive approval from the FDA, or in any jurisdiction outside of the United States until wereceive the requisite approval from regulatory authorities in such jurisdiction. As a condition to an NDA to the FDA for vadadustat regarding its ability to treatpatients with anemia secondary to CKD, we must complete Phase 3 studies and any additional non-clinical or clinical studies required by the FDA. Vadadustat maynot be successful in clinical trials or receive regulatory approval. Further, vadadustat may not receive regulatory approval even if it is successful in clinical trials.Obtaining approval of an NDA is a complex, lengthy, expensive and uncertain process that typically takes many years following the completion of clinical trialsand depends upon numerous factors, including the substantial discretion of the regulatory authorities. In addition, the safety concerns associated with injectablerESAs and the black box warnings in their prescribing information may affect the FDA’s review of the safety results of compounds of this class, includingvadadustat. Further, the policies or regulations, or the type and amount of clinical data necessary to gain approval, may change during the course of a productcandidate’s clinical development and may vary among jurisdictions. We have not obtained regulatory approval for any product candidate and it is possible thatvadadustat will never obtain regulatory approval. The FDA may delay, limit or deny approval of vadadustat for many reasons, including, among others: ·we may not be able to demonstrate that vadadustat is safe and effective in treating anemia secondary to CKD to the satisfaction of the FDA; ·the results of our clinical trials may not meet the level of statistical or clinical significance required by the FDA for marketing approval; ·the FDA may disagree with the number, design, size, conduct or implementation of our clinical trials; ·the FDA may not approve the formulation, labeling or specifications we request for vadadustat;35 ·the FDA may approve vadadustat for use only in a small patient population; ·the FDA may require that we conduct additional clinical trials; ·the contract research organizations, or CROs, that we retain to conduct our clinical trials may take actions outside of our control that materiallyadversely impact our clinical trials; ·we may fail to perform in accordance with the FDA’s good clinical practice, or GCP, requirements; ·the FDA may disagree with inclusion of data obtained from certain regions outside the United States to support the NDA for potential reasons suchas differences in clinical practice from United States standards; ·the FDA may disagree with our interpretation of data from our nonclinical studies and clinical trials; ·the FDA may not approve the manufacturing processes or facilities of third-party manufacturers with whom we contract; or ·the policies or regulations of the FDA may significantly change in a manner that renders our clinical data insufficient for approval, or requires us toamend or submit new clinical protocols.In addition, similar reasons may cause the EMA or other regulatory authorities to delay, limit or deny approval of vadadustat outside the United States.Any of these factors, many of which are beyond our control, could jeopardize our ability to obtain regulatory approval for and successfully market vadadustat.Because our business is almost entirely dependent upon vadadustat, any such setback in our pursuit of regulatory approval would have a material adverse effect onour business and prospects.Alternatively, even if we obtain regulatory approval, that approval may be for indications or patient populations that are not as broad as we intend or desire or mayrequire labeling that includes significant use or distribution restrictions or safety warnings. We may also be required to perform additional, unanticipated clinicaltrials to obtain approval or be subject to additional post-marketing testing requirements to maintain regulatory approval. In addition, regulatory authorities maywithdraw their approval of a product or the FDA may require a risk evaluation and mitigation strategy, or REMS, for a product, which could impose restrictions onits distribution. Any of the foregoing scenarios could materially harm the commercial prospects for vadadustat or our other product candidates. We have not yet obtained agreement with all regulatory authorities regarding the design of our Phase 3 studies.We recently obtained agreement with both the FDA and the EMA on vadadustat’s global Phase 3 program in non-dialysis patients with anemia related to CKD;however, we have not yet obtained agreement with all regulatory authorities on the design of these studies, nor have we obtained agreement with all regulatoryauthorities regarding our Phase 3 studies in dialysis patients with anemia related to CKD. A regulatory authority may suggest we include, or we may choose toinclude, certain elements in our Phase 3 development programs, such as any or all of the following: ·a larger number of subjects in the program; ·certain dosing requirements; ·more subjects from certain geographic regions than currently planned; ·a longer course of treatment than our current expectations; ·additional or different endpoints from those currently planned; or ·the simultaneous submission of Phase 3 data from our studies in dialysis and non-dialysis patients.If we choose to change some or all of these elements in our Phase 3 development programs, the costs of our vadadustat development program could increasematerially and the potential market introduction of vadadustat could be delayed or we could risk not obtaining regulatory authority approval even if the Phase 3trials meet their primary endpoints. The regulatory authorities also may require that we conduct additional clinical, nonclinical or manufacturing validation studiesand submit that data before it will consider an NDA, MAA or other application for regulatory approval. Furthermore, regulatory authorities may differ in terms oftheir requirements for our Phase 3 program, which would make it difficult for us to conduct a global Phase 3 program and to use the results from such program tosupport regulatory approval in multiple jurisdictions.36 We cannot predict what additional requirements may be imposed by any regulatory authorities or how such requirements might delay or increase costs for ourplanned Phase 3 development program. Because our business is almost entirely depend ent upon the successful development, regulatory approval, andcommercialization of vadadustat, any such delay or increase in costs would have an adverse effect on our business.We may find it difficult to enroll patients in our clinical studies, which could delay or prevent clinical studies of our product candidates.Identifying and qualifying patients to participate in clinical studies of our product candidates is critical to our success. The timing of our clinical studies depends onthe speed at which we can recruit patients to participate in testing our product candidates. Patients may be unwilling to participate in our clinical studies forvadadustat because of concerns from adverse events observed with injectable rESAs, other investigational agents and commercial products in CKD or for otherreasons, including competitive clinical studies for similar patient populations. In addition, patients controlling their disease with injectable rESAs may be reluctantto participate in a clinical trial with an investigational drug. Finally, competition for clinical trial sites may limit our access to subjects appropriate for studies ofvadadustat. As a result, the timeline for recruiting patients, conducting studies and obtaining regulatory approval of potential products may be delayed. Thesedelays could result in increased costs, delays in advancing our development of vadadustat or termination of the clinical studies altogether.We may not be able to identify, recruit and enroll a sufficient number of patients, or those with required or desired characteristics, to complete our clinical studiesin a timely manner. Patient enrollment is affected by many factors, including: ·severity of the disease under investigation; ·design of the study protocol; ·size and nature of the patient population; ·eligibility criteria for and design of the study in question; ·perceived risks and benefits of the product candidate under study; ·proximity and availability of clinical study sites for prospective patients; ·availability of competing therapies and clinical studies and clinicians’ and patients’ perceptions as to the potential advantages of vadadustat inrelation to available therapies or other products under development; ·efforts to facilitate timely enrollment in clinical studies; ·patient referral practices of physicians; and ·ability to monitor patients adequately during and after treatment.We may not be able to initiate or continue clinical studies if we cannot enroll a sufficient number of eligible patients to participate in the clinical studies required byregulatory agencies. If we have difficulty enrolling a sufficient number of patients to conduct our clinical studies as planned, we may need to delay, limit orterminate on-going or planned clinical studies, any of which would have an adverse effect on our business.We may not be able to obtain regulatory approval in some jurisdictions outside of the United States.We currently expect to seek regulatory approval of vadadustat for the treatment of anemia secondary to CKD in markets outside the United States, including theEuropean Union and Japan. Our ability to successfully initiate, enroll and complete a clinical study in any country outside of the United States, should we attemptto do so, is subject to numerous risks unique to conducting business in international markets, including: ·difficulty in establishing or managing relationships with qualified CROs, physicians and clinical trial sites; ·different local standards for the conduct of clinical studies; ·the potential burden of complying with a variety of laws, medical standards and regulatory requirements, including the regulation of pharmaceuticaland biotechnology products and treatments; and ·the acceptability of using data obtained from studies conducted in the United States with the EMA and other regulatory authorities outside of theUnited States.37 If we fail to successfully meet requirements for the conduct of clinical trials outside of the United States, we may be delayed in obtaining, or be unable toobtain, regulatory approval for vadadustat in countries outside of the United States.Regulatory authorities outside of the United States will require compliance with numerous and varying regulatory requirements. The approval procedures varyamong jurisdictions and may involve requirements for additional testing, and the time required to obtain approval may differ from that required to obtain FDAapproval. In addition, in many countries outside the United States, a drug product must be approved for reimbursement before it can be approved for sale in thatcountry. In some cases, the price that we intend to charge for our drug product is also subject to approval. Approval by the FDA does not ensure approval byregulatory authorities in other countries or jurisdictions, and approval by one regulatory authority outside of the United States does not ensure approval byregulatory authorities in other countries or by the FDA. However, the failure to obtain approval in one jurisdiction may negatively impact our ability to obtainapproval in another jurisdiction. The regulatory approval process in countries outside of the United States may include all of the risks associated with obtainingFDA approval. We may not obtain such regulatory approvals on a timely basis, if at all. We may not be able to file for regulatory approvals and may not receive thenecessary approvals to commercialize our product candidates in any market.Clinical drug development is a lengthy and expensive process with an uncertain outcome, and positive results from the clinical studies of vadadustat thus farare not necessarily predictive of the results of any future clinical studies of vadadustat. If we cannot replicate the positive results observed to date in our Phase3 clinical studies, we may be unable to successfully develop, obtain regulatory approval for and commercialize vadadustat.Clinical testing is expensive and can take many years to complete, and its outcome is inherently uncertain. Failure can occur at any time during the clinical trialprocess. Success in preclinical studies may not be predictive of similar results in humans during clinical trials, and successful results from early or small clinicaltrials may not be replicated in later and larger clinical trials. For example, our encouraging preclinical and clinical results for vadadustat thus far do not ensure thatthe results of any future clinical trials will demonstrate similar results. Our vadadustat Phase 3 development program will enroll a larger number of subjects andwill treat subjects for longer periods than our prior trials, which will result in a greater likelihood that adverse events may be observed. Many companies in thepharmaceutical and biotechnology industries have suffered significant setbacks in late-stage clinical trials after achieving positive results in early stagedevelopment, and we may face similar setbacks. If the results of our ongoing or future clinical trials for vadadustat are inconclusive with respect to efficacy, if wedo not meet our clinical endpoints with statistical significance, or if there are safety concerns or adverse events, we may be prevented from or delayed in obtainingmarketing approval for vadadustat.We could encounter delays if a clinical trial is suspended or terminated by us, by the relevant IRBs at the sites at which such trials are being conducted, by the DataSafety Monitoring Board, or DSMB, for such trial or by the FDA or other regulatory authorities. Such suspension or termination may be due to a number of factors,including failure to conduct the clinical trial in accordance with regulatory requirements or our clinical protocols, inspection of clinical trial operations, clinical trialsite or manufacturing facilities by the FDA or other regulatory authorities resulting in the imposition of a clinical hold, unforeseen safety issues or adverse sideeffects, changes in laws or regulations, or lack of adequate funding to continue the clinical trial. Any delays in completing our clinical trials will increase our costs,slow down our product candidate development and approval process and jeopardize our ability to commence product sales and generate revenue. Any of theseoccurrences may harm our business, financial condition and prospects significantly.Even if we receive regulatory approval for our product candidates, such products will be subject to ongoing regulatory review, which may result in significantadditional expense. Additionally, our product candidates, if approved, could be subject to labeling and other restrictions, and we may be subject to penalties ifwe fail to comply with regulatory requirements or experience unanticipated problems with our products.Any regulatory approvals that we receive for our product candidates may be subject to limitations on the approved indicated uses for which the product may bemarketed or other conditions of approval, or contain requirements for potentially costly post-marketing studies and surveillance to monitor the safety and efficacyof the product. In addition, if the FDA approves any of our product candidates, the manufacturing processes, labeling, packaging, distribution, adverse eventreporting, storage, advertising, promotion and recordkeeping for the product will be subject to extensive and ongoing regulatory requirements. These requirementsinclude submissions of safety and other post-marketing information and reports, as well as continued compliance with current Good Manufacturing Practices, orcGMPs, and GCPs for any clinical trials that we conduct post-approval.38 Post-approval discovery of previously unknown problems with an approved drug product, including adverse events of unanticipated severity or frequency orrelating to manufacturing operations or processes, or failure to comply with regulatory requirements, may result in, among other things: ·restrictions on the marketing or manufacturing of the drug product, withdrawal of the drug product from the market, or drug product recalls; ·fines, warning letters or clinical holds; ·refusal by the FDA or other regulatory authorities to approve pending applications or supplements to approved applications filed by us, or suspensionor revocation of product approvals; ·product seizure or detention, or refusal to permit the import or export of products; ·a Risk Evaluation and Mitigation Strategy (REMS) program; and ·injunctions or the imposition of civil or criminal penalties.The FDA’s policies may change and additional government regulations may be enacted. We cannot predict the likelihood, nature or extent of governmentregulation that may arise from future legislation or administrative action, either in the United States or abroad. If we are slow or unable to adapt to changes inexisting requirements or the adoption of new requirements or policies, or are not able to maintain regulatory compliance, we may lose any marketing approval thatwe may have obtained and we may not achieve or sustain profitability, which would adversely affect our business.Risks Related to our Reliance on Third PartiesWe rely on third parties to conduct preclinical and clinical studies for our product candidates. If they do not properly and successfully perform their obligationsto us, we may not be able to obtain regulatory approvals for our product candidates.We are currently relying, and expect to continue to rely, on third parties, such as CROs, clinical data management organizations, medical institutions and clinicalinvestigators to conduct our current and future clinical trials, including our Phase 3 development program for vadadustat. We compete with many other companiesfor the resources of these third parties. The third parties on whom we rely may terminate their engagement with us, and having to enter into alternativearrangements would delay development and commercialization of our product candidates.We entered into an agreement with Quintiles to be our primary CRO for the PRO 2 TECT and INNO 2 VATE programs. If Quintiles cannot perform as agreed orterminates their engagement with us, the progress of our Phase 3 clinical studies may be impacted and we may incur significant added costs in identifying,qualifying and contracting with a new CRO. We compete with many other companies for the resources of these third parties. The third parties on whom we relymay terminate their engagements with us, and having to enter into alternative arrangements would delay development and commercialization of our productcandidates.Our reliance on these third parties for research and development activities will reduce our control over these activities but will not relieve us of our responsibilities.For example, the FDA and equivalent regulatory authorities outside of the United States require compliance with regulations and standards, including GCPrequirements, for designing, conducting, monitoring, recording, analyzing and reporting the results of clinical trials to ensure that the data and results are credibleand accurate and that the rights, integrity and confidentiality of study subjects are protected. Although we rely on third parties to conduct our clinical trials, we areresponsible for ensuring that each of these clinical trials is conducted in accordance with its general investigational plan and protocol in compliance with legal andregulatory requirements. Regulatory authorities enforce these GCP requirements through periodic inspections of trial sponsors, principal investigators and trialsites. If we or any of our CROs or clinical trial sites fail to comply with applicable GCP requirements, the clinical data generated in our clinical trials may bedeemed unreliable and the FDA, EMA or other regulatory authorities may require us to perform additional clinical trials before approving our marketingapplications. We cannot assure you that upon inspection by a given regulatory authority, such regulatory authority will determine that any of our clinical trialscomply with GCP requirements. In addition, our clinical trials must be conducted with product that meets certain specifications and is manufactured underapplicable cGMP regulations. Failure to comply with these regulations may require us to repeat clinical trials, which would delay the regulatory approval process.If these third parties do not successfully carry out their duties under their agreements, if the quality or accuracy of the data they obtain is compromised due to theirfailure to adhere to clinical trial protocols or to regulatory requirements, or if they otherwise fail to comply with clinical trial protocols or meet expected deadlines,the clinical trials of our product candidates may not meet regulatory requirements. If clinical trials do not meet regulatory requirements or if these third parties needto be replaced, preclinical development activities or clinical trials may be extended, delayed, suspended or terminated. If any of these events occur, we may not beable to obtain regulatory approval of our product candidates on a timely basis or at all.39 We also expect to rely on other third parties to store and distribute drug supplies for our clinical trial s. Any performance failure on the part of our distributors coulddelay clinical development or marketing approval of our product candidates or commercialization of our products, resulting in additional losses and depriving us ofpotential product revenue. In addition, we will be using an active comparator for our Phase 3 clinical trials in CKD patients. If our distributors are unable to obtainsufficient supply of the active comparator for any reason, our clinical trials may be extended, delayed, suspended or terminated.We intend to rely on third parties to conduct some or all aspects of our product manufacturing, and these third parties may not perform satisfactorily.We do not have any manufacturing facilities and do not expect to independently manufacture our product candidates for research and preclinical and clinicalstudies. We currently rely, and expect to continue to rely, on third parties to manufacture and supply drug product for our vadadustat clinical trials, and we expectto rely on third parties for the manufacture of clinical and commercial quantities of our product candidates. This reliance on third parties increases the risk that wewill not have sufficient quantities of our product candidates or such quantities at an acceptable cost or quality, which could delay, prevent or impair ourdevelopment or commercialization efforts.Also, these third parties may terminate their engagement with us. On February 28, 2014, we entered into an agreement with Evonik Corporation, or Evonik, for themanufacture of the drug substance for the Phase 3 development program of vadadustat. If Evonik cannot perform as agreed or terminates their engagement with us,we may be required to find replacement manufacturers. We may incur significant delays and added costs in identifying, qualifying and contracting with any suchreplacement, as well as producing the drug substance. Also, if we choose to engage a second source for the production of drug substance, we may incur additionalcosts. We also have an agreement in place with Gregory Pharmaceutical Holdings (d/b/a UPM Pharmaceuticals Inc., or UPM) for the manufacture of finished drugproduct for the Phase 3 development program. Although we believe that there are several other manufacturers who also could manufacture our drug product ifUPM cannot perform as agreed or terminates their engagement with us, we may incur significant delays and added costs in identifying, qualifying, and contractingwith another manufacturer. In addition, we have to enter into technical transfer agreements and share our know-how with such third-party manufacturers, which canbe time-consuming and may result in delays. These delays could result in a suspension of our clinical trials or, if vadadustat is approved and marketed, a failure tosatisfy patient demand.Reliance on third-party manufacturers entails risks to which we would not be subject if we manufactured the product candidates ourselves, including: ·the inability to negotiate manufacturing agreements with third parties under commercially reasonable terms; ·reduced control as a result of using third-party manufacturers for all aspects of manufacturing activities, including regulatory compliance and qualityassurance; ·termination or nonrenewal of manufacturing agreements with third parties in a manner or at a time that is costly or damaging to us; ·the possible misappropriation of our proprietary information, including our trade secrets and know-how; and ·disruptions to the operations of our manufacturers or suppliers caused by conditions unrelated to our business or operations, including the bankruptcyof our manufacturers or suppliers or a catastrophic event affecting our manufacturers or suppliers.Any of these events could lead to clinical study delays or failure to obtain regulatory approval, or affect our ability to successfully commercialize future products.Some of these events could be the basis for FDA action, including injunction, recall, seizure or total or partial suspension of production.40 The facilities and processes used by our contract manufacturers to manufacture our product candidat es will be inspected by the FDA prior to or after we submit ourNDA to the FDA. We do not control the manufacturing process of, and are completely dependent on, our contract manufacturers for compliance with cGMPrequirements for manufacture of both drug s ubstance and finished drug product. If our contract manufacturers cannot successfully manufacture material thatconforms to our specifications and the strict regulatory requirements of the FDA, we will not be able to secure and/or maintain regulatory appro val for our productcandidates. In addition, we have no control over the ability of our contract manufacturers to maintain adequate quality control, quality assurance and qualifiedpersonnel. If the FDA, EMA or other regulatory authorities do not approve t hese facilities for the manufacture of our product candidates or if they withdraw anysuch approval in the future, we may need to find alternative manufacturing facilities, which would significantly impact our ability to develop, obtain regulatoryapproval for or market our product candidates, if approved. Moreover, our failure, or the failure of our contract manufacturers, to comply with applicableregulations could result in sanctions being imposed on us, including clinical holds, fines, injunctions, civi l penalties, delays, suspension or withdrawal ofapprovals, license revocation, seizures or recalls of product candidates or products, operating restrictions and criminal prosecutions, any of which couldsignificantly and adversely affect the supply of our products or product candidates.In addition, our product candidates and any products that we may develop may compete with other product candidates and products for access to manufacturingfacilities. Certain of these manufacturing facilities may be contractually prohibited from manufacturing our product candidates or products due to exclusivityprovisions in agreements with our competitors. There are a limited number of manufacturers that operate under cGMP regulations and that might be capable ofmanufacturing for us.Our current and anticipated future dependence upon others for the manufacture of our product candidates or products may adversely affect our future profit marginsand our ability to commercialize any products that receive marketing approval on a timely and competitive basis.If we are unable to manufacture our product candidates in sufficient quantities and at sufficient yields, we may experience delays in product development,clinical trials, regulatory approval and commercial distribution.Completion of our clinical trials and commercialization of our product candidates require access to facilities to manufacture our product candidates at sufficientyields and at clinical and commercial scale. We have limited experience manufacturing, or managing third parties in manufacturing, any of our product candidatesin the volumes that will be necessary to support large-scale clinical trials or commercial sales. Efforts to establish these capabilities may not meet initialexpectations as to scheduling, scale-up, reproducibility, yield, purity, cost, potency or quality.Our reliance on contract manufacturers may adversely affect our operations or result in unforeseen delays or other problems beyond our control. Because ofcontractual restraints and the limited number of contract manufacturers with the expertise, required regulatory approvals and facilities to manufacture our bulk drugsubstance and drug product on a commercial scale, replacement of a manufacturer may be expensive and time-consuming and may cause interruptions in theproduction of our product candidates. A contract manufacturer may also encounter difficulties in production. These problems may include: ·difficulties with production costs, scale-up and yields; ·availability of raw materials and supplies; ·quality control and assurance; ·capacity constraints; ·shortages of qualified personnel; ·compliance with strictly enforced federal, state and international regulations that vary in each country where a product might be sold; and ·lack of capital funding.Any delay or interruption in our supply of product candidates or products could have a material adverse effect on our business, financial condition, results ofoperations and cash flows.We may not be successful in establishing and maintaining strategic collaborations which could adversely affect our ability to develop and commercialize ourproduct candidates, negatively impacting our operating results.We plan to commercialize vadadustat ourselves in the United States and have entered into a collaboration agreement with Mitsubishi Tanabe to develop andcommercialize vadadustat in Japan and certain other Asian countries. We will likely seek one or more strategic41 collaborators to commercialize vadadustat in additional markets. We f ace competition in seeking appropriate collaborators for our product candidates, and thenegotiation process is time-consuming and complex. In order for us to successfully collaborate with a third party on our product candidates, potential collaboratorsmu st view these product candidates as economically valuable. Even if we are successful in our efforts to establish strategic collaborations, the terms that we agreeupon may not be favorable to us, and we may not be able to maintain such strategic collaborat ions if, for example, development or approval of a product is delayedor sales of an approved product are disappointing. Any delay in entering into strategic collaboration agreements related to our product candidates could delay thedevelopment and commerc ialization of our product candidates and reduce their competitiveness even if they reach the market.In addition, our strategic collaborators may terminate any agreements they enter into with us, and we may not be able to adequately protect our rights under theseagreements. Furthermore, our strategic collaborators will likely negotiate for certain rights to control decisions regarding the development and commercialization ofour product candidates, if approved, and may not conduct those activities in the same manner as we do.If we fail to maintain our current collaboration with Mitsubishi Tanabe or other strategic collaborations related to our product candidates, we will bear all of the riskand costs related to the development and commercialization of any such product candidate, and we may need to seek additional financing, hire additionalemployees and otherwise develop expertise. This could negatively affect the development of any such product candidate.Risks Related to our Intellectual PropertyIf our efforts to protect our proprietary technologies are not adequate, we may not be able to compete effectively in our market. We are currently involved in anopposition proceeding involving one of our European patents, and the outcome of that proceeding may affect our ability to establish a competitive advantage inthe market or successfully commercialize our lead product candidate in the European Union.We rely upon a combination of patents, trade secret protection and confidentiality agreements to protect the intellectual property related to our technologies. Wewill only be able to protect our product candidates, proprietary technologies and their uses from unauthorized use by third parties to the extent that valid andenforceable patents or trade secrets cover them. Any disclosure to or misappropriation by third parties of our confidential proprietary information could enablecompetitors to quickly duplicate or surpass our technological achievements, thus eroding our competitive position in the market.In July 2011, a third party filed an opposition to one of our issued European patents, European Patent No. 2044005, or the ’005 Patent. During the oral proceedings,which took place on April 10, 2013, the Opposition Division of the European Patent Office decided to maintain certain claims of the patent directed to a compoundchosen from a group of eight compounds, including vadadustat, as well as claims to compositions and methods for treating various diseases including, but notlimited to, anemia. Both parties have appealed the decision of the Opposition Division and final resolution of the opposition proceeding will likely take a year ormore. We cannot be assured of the breadth of the claims that will remain in the ’005 Patent or that the patent will not be revoked in its entirety. If the EuropeanPatent Office decides to narrow the scope of the claims or revoke the ’005 Patent, we may not be able to establish a competitive advantage in the European Unionin our market or successfully commercialize our product candidates in the European Union, which could materially adversely affect our business, operating resultsand financial condition.Composition-of-matter patents on the active pharmaceutical ingredient are generally considered to be the strongest form of intellectual property protection forpharmaceutical products, as such patents provide protection without regard to any method of use. Method-of-use patents protect the use of a product for thespecified method. A method-of-use patent does not prevent a competitor from making and marketing a product that is identical to our product for an indication thatis outside the scope of the patented method. Moreover, even if competitors do not actively promote their product for our targeted indications, physicians mayprescribe these products “off-label.” Although off-label prescriptions may infringe or contribute to the infringement of method-of-use patents, the practice iscommon and such infringement is difficult to prevent or prosecute.The strength of patents in the biotechnology and pharmaceutical field involves complex legal and scientific questions and can be uncertain. The patent applicationsthat we own or license may fail to result in issued patents in the United States or in other countries. Our competitors have and will continue to undertake formalefforts to oppose the issuance of claims in our patent applications. We do not control decisions made by the United States Patent and Trademark Office, or USPTO, or equivalent bodies outside the United States. Even if our patents do successfully issue, third parties may challenge the validity, enforceability, inventorship,or scope thereof, which may result in such patents being narrowed, invalidated or held unenforceable. Furthermore, even if they are unchallenged, our patents andpatent applications may not adequately protect our intellectual property or prevent others from designing around our claims. If the breadth or strength of protectionprovided by the patents and patent applications we hold with respect to our product candidates is threatened, it could dissuade companies from collaborating withus to develop, and threaten our ability to commercialize,42 our product candidates. Further, if we encounter delays in our clinical trials, the period of time du ring which we could market our product candidates under patentprotection would be reduced. Since patent applications in the United States and most other countries are confidential for a period of time after filing, we cannot becertain that we were the fi rst to file any patent application related to our product candidates. Furthermore, for applications in which all claims are entitled to apriority date before March 16, 2013, an interference proceeding can be provoked by a third-party or instituted by the US PTO to determine who was the first toinvent any of the subject matter covered by the patent claims of our applications. For applications containing a claim not entitled to priority before March 16, 2013,there is greater level of uncertainty in the pat ent law with the passage of the America Invents Act (2011), which brings into effect significant changes to the U.S.patent laws and which introduces new procedures for challenging pending patent applications and issued patents. A primary change under this reform is creating a“first to file” system in the United States. This will require us to be cognizant of the time from invention to filing of a patent application.In addition to the protection afforded by patents, we seek to rely on trade secret protection and confidentiality agreements to protect proprietary know-how that isnot patentable, processes for which patents are difficult to enforce and any other elements of our drug discovery and development processes that involve proprietaryknow-how, information or technology that is not covered by patents. Although we require all of our employees to assign their inventions to us, and require all ofour employees, consultants, advisors and any third parties who have access to our proprietary know-how, information or technology to enter into confidentialityagreements, we cannot be certain that our trade secrets and other confidential or proprietary information will not be disclosed or that competitors will not otherwisegain access to our trade secrets or independently develop substantially equivalent information and techniques. Furthermore, the laws of some countries do notprotect proprietary rights to the same extent or in the same manner as the laws of the United States. As a result, we may encounter significant problems inprotecting and defending our intellectual property both in the United States and abroad. If we are unable to prevent unauthorized material disclosure of ourintellectual property to third parties, we will not be able to establish or maintain a competitive advantage in the market, which could materially adversely affect ourbusiness, operating results and financial condition.Our reliance on third parties requires us to share our trade secrets, which increases the possibility that a competitor will discover them or that our trade secretswill be misappropriated or disclosed.Because we rely on third parties to research, develop and manufacture our product candidates, we must, at times, share trade secrets with them. We seek to protectour proprietary technology in part by entering into confidentiality agreements and, if applicable, material transfer agreements, consulting agreements, researchagreements or other similar agreements with our advisors, employees, third-party contractors and consultants prior to beginning research or disclosing proprietaryinformation. These agreements typically limit the rights of the third parties to use or disclose our confidential information, including our trade secrets. Despite thecontractual provisions employed when working with third parties, the need to share trade secrets and other confidential information increases the risk that suchtrade secrets become known by our competitors, are inadvertently incorporated into the technology of others, or are disclosed or used in violation of theseagreements. Given that our proprietary position is based, in part, on our know-how and trade secrets, a competitor’s discovery of our trade secrets or otherunauthorized use or disclosure would impair our competitive position and may have a material adverse effect on our business.In addition, these agreements typically restrict the ability of our advisors, employees, third-party contractors and consultants to publish data potentially relating toour trade secrets, although our agreements may contain certain limited publication rights. For example, any academic institution that we may collaborate with willusually expect to be granted rights to publish data arising out of such collaboration, provided that we are notified in advance and given the opportunity to delaypublication for a limited time period in order for us to secure patent protection of intellectual property rights arising from the collaboration, in addition to theopportunity to remove confidential or trade secret information from any such publication. In the future we may also conduct joint research and developmentprograms that may require us to share trade secrets under the terms of our research and development or similar agreements. Despite our efforts to protect our tradesecrets, our competitors may discover our trade secrets, either through breach of our agreements with third parties, independent development or publication ofinformation by any of our third-party collaborators. A competitor’s discovery of our trade secrets would impair our competitive position and have an adverseimpact on our business.Third-party claims of intellectual property infringement may be costly and time consuming, and may delay or harm our drug discovery and developmentefforts.Our commercial success depends in part on our avoiding infringement of the patents and proprietary rights of third parties. The pharmaceutical and biotechnologyindustries are characterized by extensive litigation over patent and other intellectual property rights. We may become a party to, or threatened with, futureadversarial litigation or other proceedings regarding intellectual property rights with respect to our drug candidates. As the pharmaceutical and biotechnologyindustries expand and more patents are issued, the risk increases that our drug candidates may give rise to claims of infringement of the patent rights of others.43 While our product candidates are in preclinical studies and clinical trials, we believe that the use of our product candidates in these preclinical studies and clinicaltrials in the United States falls within the scope of the exemptions provided by 35 U.S.C. Section 271(e), which provides that it shall not be an act of infringementto make, use, offer to sell, or sell within the United States or import into the United States a patented invention solely for uses reasonably r elated to thedevelopment and submission of information to the FDA. As our product candidates progress toward commercialization, the possibility of a patent infringementclaim against us increases. We attempt to ensure that our product candidates and the m ethods we employ to manufacture them, as well as the methods for their usewhich we intend to promote, do not infringe other parties’ patents and other proprietary rights. There can be no assurance they do not, however, and competitors orother parties may assert that we infringe their proprietary rights in any event.Third parties may hold or obtain patents or other intellectual property rights and allege in the future that the use of our product candidates infringes these patents orintellectual property rights, or that we are employing their proprietary technology without authorization. For example, we are aware of certain patents that havebeen acquired by FibroGen directed to certain heterocyclic carboxamide compounds that are described as inhibitors of prolyl-4-hydroxylase. Those patents,however, are believed to have expired as of December 2014.In addition, we are aware of subsequent U.S. patents issued to FibroGen directed to purportedly new methods of using such previously known heterocycliccarboxamide compounds for purposes of treating or affecting specified conditions. We do not believe these currently issued FibroGen U.S. patents conflict with ourintellectual property rights; nor do we make any admission that any of such patents are valid or enforceable. Under U.S. law, a party may be able to patent adiscovery of a new way to use a previously known compound, even if such compound itself is patented, provided the newly discovered use is novel andnonobvious. Such a method-of-use patent, however, if valid, only protects the use of a claimed compound for the specified methods claimed in the patent. This typeof patent does not prevent persons from using the compound for any previously known use of the compound. Further, this type of patent does not prevent personsfrom making and marketing the compound for an indication that is outside the scope of the patented method. We are not aware of any valid U.S. patents issued toFibroGen, or any other person, that claim methods of using any of our product candidates for purposes of inhibiting hypoxia-inducible factor prolyl hydroxylases,or HIF-PHs, for the treatment of anemia secondary to CKD.There may be patents of third parties, including FibroGen, of which we are currently unaware with claims to materials, formulations, methods of manufacture ormethods for treatment related to the use or manufacture of our drug candidates. Also, because patent applications can take many years to issue, there may becurrently pending patent applications which may later result in issued patents that our product candidates may infringe. Third parties, including FibroGen, may inthe future claim that our product candidates and other technologies infringe upon these patents or others and may challenge our ability to commercialize vadadustat.Parties making claims against us may seek and obtain injunctive or other equitable relief, which could effectively block our ability to further develop andcommercialize vadadustat or AKB-6899. If any third-party patents were held by a court of competent jurisdiction to cover the manufacturing process of any of ourproduct candidates, any molecules formed during the manufacturing process or any final product itself, the holders of any such patents may be able to block ourability to commercialize such product candidate unless we obtained a license under the applicable patents, or until such patents expire or they are finally determinedto be held invalid or unenforceable. Similarly, if any third-party patent were held by a court of competent jurisdiction to cover aspects of our formulations,processes for manufacture or our intended methods of use, including patient selection methods, the holders of any such patent may be able to block or impair ourability to develop and commercialize the applicable product candidate unless we obtained a license or until such patent expires or is finally determined to be heldinvalid or unenforceable. We may also elect to enter into a license in order to settle litigation or in order to resolve disputes prior to litigation. Furthermore, even inthe absence of litigation, we may need to obtain licenses from third parties to advance our research or allow commercialization of our product candidates. Should alicense to a third-party patent become necessary, we cannot predict whether we would be able to obtain a license or, if a license were available, whether it would beavailable on commercially reasonable terms. If such a license is necessary and a license under the applicable patent is unavailable on commercially reasonableterms, or at all, our ability to commercialize our product candidates may be impaired or delayed, which could in turn significantly harm our business.Further, defense of infringement claims, regardless of their merit, would involve substantial litigation expense and would be a substantial diversion of employeeresources from our business. In the event of a successful claim of infringement against us, we may have to pay substantial damages, including treble damages andattorneys’ fees for willful infringement, pay royalties or redesign our products, which may be impossible or require substantial time and monetary expenditure.44 We are currently involved in opposition and invalidity proceedings and may in the future be involved in lawsuits or administrative proceedings to challenge thepatents of our competitors or to protect or enforce our patents, which could be expensive, time consuming, and unsuccessful.We are currently involved in five opposition proceedings in the European Patent Office. These proceedings may be ongoing for a number of years and may involvesubstantial expense and diversion of employee resources from our business. In addition, we may become involved in additional opposition proceedings or otherlegal or administrative proceedings in the future. For more information, see the other risk factors under “Risks Related to Intellectual Property” and Item 3 – LegalProceedings.Competitors may infringe our patents or misappropriate our trade secrets or confidential information. To counter infringement or unauthorized use, we may berequired to file infringement or misappropriation claims, which can be expensive and time-consuming. We may not be able to prevent infringement of our patentsor misappropriation of our trade secrets or confidential information, particularly in countries where the laws may not protect those rights as fully as in the UnitedStates. In addition, in an infringement proceeding, a court may decide that a patent of ours is not valid or is unenforceable, or may refuse to stop the other partyfrom using the technology at issue on the grounds that our patents do not cover the technology in question. An adverse result in any litigation or defenseproceedings could put one or more of our patents at risk of being invalidated, held unenforceable, or interpreted narrowly and could put our patent applications atrisk of not issuing. In addition, there may be a challenge or dispute regarding inventorship or ownership of patents or applications currently identified as beingowned by or licensed to us. Defense of these claims, regardless of their merit, would involve substantial litigation expense and would be a substantial diversion ofemployee resources from our business.Various administrative proceedings are also available for challenging patents, including interference, reexamination, inter partes review, and post-grant reviewproceedings before the US PTO or oppositions and other comparable proceedings in foreign jurisdictions. Interference proceedings provoked by third parties orbrought by the US PTO may be necessary to determine the priority of inventions with respect to our patents or patent applications. An unfavorable outcome couldrequire us to cease using the related technology or to attempt to license rights to it from the prevailing party. Our business could be harmed if the prevailing partydoes not offer us a license on commercially reasonable terms or at all. Even if we are successful, participation in interference or other administrative proceedingsbefore the US PTO or a foreign patent office may result in substantial costs and distract our management and other employees.Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation and some administrative proceedings, thereis a risk that some of our confidential information could be compromised by disclosure. In addition, there could be public announcements of the results of hearings,motions or other interim proceedings or developments. If securities analysts or investors perceive these results to be negative, it could have a substantial adverseeffect on the price of our common stock.Obtaining and maintaining our patent protection depends on compliance with various procedural, document submission, fee payment and other requirementsimposed by governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these requirements.Periodic maintenance fees on any issued patent are due to be paid to the US PTO and foreign patent agencies in several stages over the lifetime of the patent. TheUS PTO and various foreign governmental patent agencies also require compliance with a number of procedural, documentary, fee payment (such as annuities) andother similar provisions during the patent application process. While an inadvertent lapse can in many cases be cured by payment of a late fee or by other means inaccordance with the applicable rules, there are situations in which non-compliance can result in abandonment or lapse of the patent or patent application, resultingin partial or complete loss of patent rights in the relevant jurisdiction. Non-compliance events that could result in abandonment or lapse of a patent or patentapplication include, but are not limited to, failure to respond to official actions within prescribed time limits, non-payment of fees and failure to properly legalizeand submit formal documents. In such an event, our competitors might be able to enter the market, which would have a material adverse effect on our business.We may be subject to claims that our employees, consultants or independent contractors have wrongfully used or disclosed confidential information of thirdparties.We have received confidential and proprietary information from potential collaborators, prospective licensees and other third parties. In addition, we employindividuals who were previously employed at other biotechnology or pharmaceutical companies. We may be subject to claims that we or our employees,consultants or independent contractors have inadvertently or otherwise used or disclosed confidential information of these third parties or our employees’ formeremployers. We may also be subject to claims that former employees, collaborators or other third parties have an ownership interest in our patents or otherintellectual property. We may be subject to ownership disputes in the future arising, for example, from conflicting obligations of consultants or others who areinvolved in developing our drug candidates. Litigation may be necessary to defend against these claims. If we fail in defending any such claims,45 in addition to paying monetary damages, we may lose valuable intellectual property rights, such as exclusive ownership of, or right to use, valuab le intellectualproperty. Such an outcome could have a material adverse effect on our business. Even if we are successful in defending against these claims, litigation could resultin substantial cost and be a distraction to our management and employees.We may not be able to protect our intellectual property rights throughout the world.Filing, prosecuting and defending patents on our product candidates in all countries throughout the world would be prohibitively expensive. Consequently, thebreadth of our intellectual property rights in some countries outside the United States may be less extensive than those in the United States. In addition, the laws ofsome countries do not protect intellectual property rights to the same extent as laws in the United States. Consequently, we may not be able to prevent third partiesfrom practicing our inventions in all countries outside the United States, or from selling or importing products made using our inventions in and into the UnitedStates or other countries. Competitors may use our technologies in countries where we have not obtained patent protection to develop their own products and,further, may infringe our patents in territories where we have patent protection, but enforcement is not as strong as in the United States. These products maycompete with our products and our patents or other intellectual property rights may not be effective or sufficient to prevent them from competing.Many companies have encountered significant problems in protecting and defending intellectual property rights in certain countries. The legal systems of certaincountries, particularly certain developing countries, do not favor the enforcement of patents, trade secrets and other intellectual property, particularly those relatingto pharmaceutical and biotechnology products, which could make it difficult for us to stop the infringement of our patents or marketing of competing products inviolation of our proprietary rights generally. Proceedings to enforce our patent rights in countries outside of the United States could result in substantial costs anddivert our efforts and attention from other aspects of our business, could put our patents at risk of being invalidated or interpreted narrowly and our patentapplications at risk of not issuing, and could provoke third parties to assert claims against us. We may not prevail in any lawsuits that we initiate and the damagesor other remedies awarded, if any, may not be commercially meaningful. Accordingly, our efforts to enforce our intellectual property rights around the world maybe inadequate to obtain a significant commercial advantage from the intellectual property that we develop or license.Risks Related to CommercializationOur future commercial success depends upon attaining significant market acceptance of our product candidates, if approved, among physicians, patients,third-party payors and others in the medical community.Even if we obtain marketing approval for vadadustat, AKB-6899 or any other product candidates that we may develop or acquire in the future, these productcandidates may not gain market acceptance among physicians, third-party payors, patients and others in the medical community. In addition, market acceptance ofany approved products depends on a number of other factors, including: ·the safety and efficacy of the product, as demonstrated in clinical trials; ·the clinical indications for which the product is approved and the product label approved by regulatory authorities, including any warnings that maybe required on the label; ·acceptance by physicians and patients of the product as a safe and effective treatment and the willingness of the target patient population to try newtherapies and of physicians to prescribe new therapies; ·the cost, safety and efficacy of the product in relation to alternative treatments; ·the availability of adequate coverage and reimbursement by third-party payors and government authorities; ·the ability to contract with dialysis providers; ·relative convenience and ease of administration; ·the prevalence and severity of adverse side effects; ·the effectiveness of our sales and marketing efforts; and ·the restrictions on the use of our products together with other medications, if any.For example, two of the largest operators of dialysis clinics in the United States, DaVita, Inc., or DaVita, and Fresenius Medical Care, or Fresenius, account formore than half of the injectable rESA sales in the U.S. dialysis market. We believe that it may be challenging to enter into long or short-term supply agreementswith DaVita, Fresenius or other operators of dialysis clinics.46 Market acceptance is critical to our ability to generate significant revenue. In addition, any product candidate, if approved and commercialized, may be accepted inonly limited capacities or not at all. If any approved products are not accepted by the market to the extent that we expect, we may not be able to generate significantrevenue and our business would suffer.If we are unable to establish sales, marketing and distribution capabilities or to enter into agreements with third parties to market and sell our productcandidates, we may not be successful in commercializing our product candidates if and when they are approved.We do not have a sales or marketing infrastructure and we have not yet sold, marketed or distributed any of our products. To achieve commercial success for anyproduct for which we obtain marketing approval, we will need to establish a sales and marketing organization or make arrangements with third parties to performthese services.There are risks involved with establishing our own sales, marketing and distribution capabilities. For example, recruiting and training a sales force are expensiveand time consuming and could delay any product launch. If the commercial launch of a product candidate for which we recruit a sales force and establish marketingcapabilities is delayed or does not occur for any reason, we would have prematurely or unnecessarily incurred these commercialization expenses. This may becostly, and our investment would be lost if we cannot retain or reposition our sales and marketing personnel.Factors that may inhibit our efforts to commercialize our products on our own include: ·our inability to recruit, train and retain adequate numbers of effective sales and marketing personnel; ·the inability of sales personnel to obtain access to and educate physicians regarding our products; ·our inability to effectively manage a geographically dispersed sales and marketing team; ·the lack of complementary products to be offered by sales personnel, which may put us at a competitive disadvantage relative to companies withmore extensive product lines; and ·unforeseen costs and expenses associated with creating a sales and marketing organization.If we are unable to establish our own sales, marketing and distribution capabilities and have to enter into arrangements with third parties to perform these services,our profitability, if any, is likely to be lower than if we were to market, sell and distribute any products that we develop ourselves. In addition, we may not besuccessful in entering into arrangements with third parties to sell, market and distribute our product candidates or may be unable to do so on terms that arefavorable to us. We likely will have little control over such third parties, and any of them may fail to devote the necessary resources and attention to sell and marketour products effectively. If we do not establish sales, marketing and distribution capabilities successfully, either on our own or in collaboration with third parties,we will not be successful in commercializing our product candidates.Coverage and reimbursement may be limited or unavailable in certain market segments for any approved products, which could make it difficult for us to sellour products profitably.Market acceptance and sales of any approved products will depend significantly on the availability of adequate coverage and reimbursement from third-partypayors and may be affected by existing and future healthcare reform measures. Government authorities and third-party payors decide which drugs they will pay forand establish formularies and reimbursement levels. Coverage and reimbursement by a third-party payor may depend upon a number of factors, including the third-party payor’s determination that use of a product is: ·a covered benefit under its health plan; ·safe, effective and medically necessary; ·appropriate for the specific patient; ·cost-effective; and ·neither experimental nor investigational.Obtaining coverage and reimbursement approval for a product from a government or other third-party payor is a time consuming and costly process that couldrequire us to provide supporting scientific, clinical and cost-effectiveness data for the use of our products to the payor. Additionally, we may be required to enterinto contracts with third-party payors to obtain favorable formulary status. We may not be able to agree upon commercially reasonable terms with such third-partypayors or provide data sufficient to gain acceptance with respect to coverage and reimbursement. We cannot be sure that coverage or adequate reimbursement willbe available47 for any of our product candidates. Even if we obtain coverage for our product candidates, third-party payors may not establish adequate reimbursement amounts,which may reduce the demand for, or the price of, our products. I f reimbursement is not available or limited, we may not be able to commercialize certain of ourproducts. In addition, in the United States third-party payors are increasingly attempting to contain healthcare costs by limiting both coverage and the level o freimbursement of new drugs. As a result, significant uncertainty exists as to whether and how much third-party payors will provide reimbursement for newlyapproved drugs, which in turn will put pressure on the pricing of drugs.In addition, if vadadustat is used in an outpatient dialysis facility, such facilities often receive fixed reimbursement for all dialysis services furnished to patientswith end-stage renal disease, or ESRD. For example, Medicare payments to ESRD facilities for such services are based on a prospective payment system known asthe basic case-mix adjusted composite payment system. These payments cover a bundle of items and services routinely required for dialysis treatments furnished toMedicare beneficiaries in Medicare-certified ESRD facilities or at their home, including the cost of certain routine drugs such as our product candidates. Patient andprovider access to adequate coverage and reimbursement by government and private insurance plans is central to the acceptance of any products for which wereceive regulatory approval. We may be unable to sell vadadustat, if approved, to dialysis providers on a profitable basis if third-party payors reduce their currentlevels of payment or if our costs of production increase faster than increases in reimbursement levels.Price controls may be imposed, which may adversely affect our future profitability.In some countries, particularly member states of the European Union, the pricing of prescription pharmaceuticals is subject to governmental control. In thesecountries, pricing negotiations with governmental authorities can take considerable time after receipt of marketing approval for a product. In addition, there can beconsiderable pressure by governments and other stakeholders on prices and reimbursement levels, including as part of cost containment measures. Political,economic and regulatory developments may further complicate pricing negotiations, and pricing negotiations may continue after reimbursement has been obtained.Reference pricing used by various European Union member states and parallel distribution, or arbitrage between low-priced and high-priced member states, canfurther reduce prices. In some countries, we may be required to conduct a clinical trial or other studies that compare the cost-effectiveness of our product candidatesto other available products in order to obtain or maintain reimbursement or pricing approval. Publication of discounts by third-party payors or governmentauthorities may lead to further pressure on the prices or reimbursement levels within the country of publication and other countries. If reimbursement of ourproducts is unavailable or limited in scope or amount, or if pricing is set at unsatisfactory levels, our business could be adversely affected.The impact of recent healthcare reform and other changes in the healthcare industry and in healthcare spending is currently unknown, and may adverselyaffect our business model.Our revenue prospects could be affected by changes in healthcare spending and policy in the United States and abroad. We operate in a highly regulated industryand new laws, regulations or judicial decisions, or new interpretations of existing laws, regulations or decisions, related to healthcare availability or method ofdelivery or payment for healthcare products and services could negatively impact our business, operations and financial condition.In the United States, the Medicare Prescription Drug, Improvement and Modernization Act of 2003, also called the MMA, changed the way Medicare covers andpays for pharmaceutical products. The legislation expanded Medicare coverage for drug purchases by the elderly and introduced a new reimbursementmethodology based on average sales prices for physician-administered drugs. In addition, this legislation provided authority for limiting the number of drugs thatwill be covered in any therapeutic class. As a result of this legislation and the expansion of federal coverage of drug products, we expect that there will beadditional pressure to reduce costs. For example, the Centers for Medicare and Medicaid Services, or CMS, has enacted regulations that reduced capitatedpayments to dialysis providers. These cost reduction initiatives and other provisions of this legislation could decrease the scope of coverage and the price that wereceive for any approved products and could seriously harm our business. While the MMA applies only to drug benefits for Medicare beneficiaries, private payorsoften follow Medicare coverage policies and payment limitations in setting their own reimbursement rates, and any reduction in reimbursement that results from theMMA may cause a similar reduction in payments from private payors. Similar regulations or reimbursement policies may be enacted in international markets whichcould similarly impact our business.In addition, the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively PPACA, was enactedin 2010 with a goal of reducing the cost of healthcare and substantially changing the way healthcare is financed by both government and private insurers. ThePPACA, among other things, increases the minimum Medicaid rebates owed by manufacturers under the Medicaid Drug Rebate Program and extends the rebateprogram to individuals enrolled in Medicaid managed care organizations, establishes annual fees and taxes on manufacturers of certain branded prescription drugs,and creates a new Medicare Part D coverage gap discount program, in which manufacturers must agree to offer 50% point-of-sale discounts off negotiated prices ofapplicable brand drugs to eligible beneficiaries during their coverage gap period as a condition for the manufacturer’s outpatient drugs to be covered underMedicare Part D. In addition, other legislative changes have been proposed and48 adopted in the United States since the PPACA was enacted. On Augu st 2, 2011, the Budget Control Act of 2011 created measures for spending reductions byCongress. A Joint Select Committee on Deficit Reduction, tasked with recommending a targeted deficit reduction of at least $1.2 trillion for the years 2013 through2021, was unable to reach required goals, thereby triggering the legislation’s automatic reduction to several government programs. This includes aggregatereductions of Medicare payments to providers of up to 2% per fiscal year, which went into effect on April 1, 2013.It is likely that federal and state legislatures within the United States and governments in other countries will continue to consider changes to existing healthcarelegislation. We cannot predict the reform initiatives that may be adopted in the future or whether initiatives that have been adopted will be repealed or modified.The continuing efforts of the government, insurance companies, managed care organizations and other payors of healthcare services to contain or reduce costs ofhealthcare may adversely affect: ·the demand for any drug products for which we may obtain regulatory approval; ·our ability to set a price that we believe is fair for our products; ·our ability to obtain coverage and reimbursement approval for a product; ·our ability to generate revenue and achieve or maintain profitability; and ·the level of taxes that we are required to pay.If our product candidates obtain marketing approval, we will be subject to healthcare laws, regulation and enforcement and our failure to comply with thoselaws could have a material adverse effect on our results of operations and financial conditions.If we obtain approval for any of our product candidates and begin commercializing them, our operations may be directly, or indirectly through our customers,subject to additional healthcare regulation and enforcement by the federal government, states and governments outside of the United States in which we conductour business. The laws that may affect our ability to operate include: ·the federal Anti-Kickback Statute, which prohibits, among other things, persons from knowingly and willfully soliciting, receiving, offering orpaying remuneration, directly or indirectly, to induce, or in return for, the purchase or recommendation of an item or service reimbursable under afederal healthcare program, such as the Medicare and Medicaid programs; ·federal civil and criminal false claims laws and civil monetary penalty laws, which prohibit, among other things, individuals or entities fromknowingly presenting, or causing to be presented, claims for payment from Medicare, Medicaid, or other third-party payors that are false orfraudulent; ·the federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, which created new federal criminal statutes that prohibitexecuting a scheme to defraud any healthcare benefit program and making false statements relating to healthcare matters; ·HIPAA, as amended by the Health Information Technology and Clinical Health Act, or HITECH, and its implementing regulations, which imposescertain requirements relating to the privacy, security, and transmission of individually identifiable health information; ·the federal physician “sunshine” requirements under PPACA, which requires manufacturers of drugs, devices, biologics, and medical supplies toreport annually to CMS information related to payments and other transfers of value to physicians, other healthcare providers, and teaching hospitals,and ownership and investment interests held by physicians and other healthcare providers and their immediate family members; ·state law equivalents of each of the above federal laws, such as anti-kickback and false claims laws that may apply to items or services reimbursedby any third-party payor, including commercial insurers; state laws that require pharmaceutical companies to comply with the pharmaceuticalindustry’s voluntary compliance guidelines and the applicable compliance guidance promulgated by the federal government, or otherwise restrictpayments that may be made to healthcare providers and other potential referral sources; state laws that require drug manufacturers to reportinformation related to payments and other transfers of value to physicians and other healthcare providers or marketing expenditures; and state lawsgoverning the privacy and security of health information in certain circumstances, many of which differ from each other in significant ways, thuscomplicating compliance efforts.Because of the breadth of these laws and the narrowness of the statutory exceptions and safe harbors available, it is possible that some of our business activitiescould be subject to challenge under one or more of such laws. In addition, recent healthcare reforms have strengthened these laws. For example, the PPACA,among other things, amends the intent requirement of the federal anti-kickback and criminal healthcare fraud statutes. A person or entity no longer needs to haveactual knowledge of the statute or specific intent to49 violate it. The PPACA also amended the False Claims Act, such that violations of the anti-kickback statute are now deemed violations of the False Claims Act. Toconstitute a false claim pr ior to this amendment, an anti-kickback violation had to be accompanied by a false statement, such as false certification of compliance.If our operations are found to be in violation of any of such laws or any other governmental regulations that apply to us, we may be subject to penalties, includingcivil and criminal penalties, damages, fines, the curtailment or restructuring of our operations, the exclusion from participation in federal and state healthcareprograms and imprisonment, any of which could materially adversely affect our ability to operate our business and our financial results.We face substantial competition, which may result in others discovering, developing or commercializing products before, or more successfully than, we do.The development and commercialization of new drug products is highly competitive. Our future success depends on our ability to demonstrate and maintain acompetitive advantage with respect to the development and commercialization of our product candidates. Our objective is to develop and commercialize newproducts with superior efficacy, convenience, tolerability and/or safety. In many cases, the products that we commercialize will compete with existing, market-leading products.If vadadustat is approved and launched commercially, competing drugs may include EPOGEN ® and Aranesp ® , commercialized by Amgen, Procrit ® and Eprex ®, commercialized by Johnson & Johnson, and Mircera ® , commercialized by Roche Holding Ltd., or Roche. We may face competition from potential new anemiatherapies. There are several other HIF product candidates in various stages of active development for anemia indications that may be in direct competition withvadadustat if and when they are approved and launched commercially. These candidates are being developed by such companies as FibroGen, in collaboration withAstraZeneca PLC in the United States and China and with Astellas Pharma Inc. in Europe and Asia, Japan Tobacco International, GlaxoSmithKline plc and BayerHealthCare AG. FibroGen/Astellas Pharma Inc., in particular, is currently in Phase 3 clinical development of its product candidate, FG-4592 (roxadustat). Some ofthese product candidates may enter the market as early as 2017. In addition, certain companies are developing potential new therapies for renal-related diseasesthat could potentially reduce rESA utilization and thus limit the market for vadadustat if and when it is approved and launched commercially. Other new therapiesare in development for the treatment of conditions inclusive of renal anemia, like sotatercept from Acceleron Pharma Inc. that may impact the market for anemia-targeted treatment.Since rESAs are biologic products, the introduction of biosimilars into the rESA market in the United States will constitute additional competition for vadadustat ifwe are able to obtain approval for and commercially launch our product. A biosimilar product is a follow-on version of an existing, branded biologic product. Thepatents for the existing, branded product must expire in a given market before biosimilars may enter that market without risk of being sued for patent infringement.In addition, an application for a biosimilar product cannot be approved by the FDA until 12 years after the existing, branded product was approved under aBiologics License Application, or BLA. The patents for epoetin alfa, an rESA, expired in 2004 in the European Union, and the remaining patents expired between2012 and 2015 in the United States. Several biosimilar versions of rESAs are available for sale in the European Union and biosimilar versions of rESAs arecurrently being studied in clinical trials in the United States.Many of our potential competitors have significantly greater financial, manufacturing, marketing, drug development, technical and human resources than we do.Large pharmaceutical companies, in particular, have extensive experience in clinical testing, obtaining regulatory approvals, recruiting patients and manufacturingpharmaceutical products. Large and established companies such as Amgen and Roche, among others, compete in the market for drug products to treat anemia. Inparticular, these companies have greater experience and expertise in securing government contracts and grants to support their research and development efforts,conducting pre-clinical testing and clinical trials, obtaining regulatory approvals to market products, manufacturing such products on a broad scale and marketingapproved products. These companies also have significantly greater research and marketing capabilities than we do and may also have products that have beenapproved or are in late stages of development, and have collaborative arrangements in our target markets with leading companies and research institutions.Established pharmaceutical companies may also invest heavily to accelerate discovery and development of novel compounds or to in-license novel compounds thatcould make the product that we develop obsolete. As a result of all of these factors, our competitors may succeed in obtaining patent protection and/or FDAapproval or discovering, developing and commercializing products before, or more effectively than, we do. In addition, any new product that competes with anapproved product must demonstrate compelling advantages in efficacy, convenience, tolerability and safety in order to overcome price competition and becommercially successful. If we are not able to compete effectively against potential competitors, our business will not grow and our financial condition andoperations will suffer.50 Our products may cause undesirable side effects or have other properties that delay or prevent their regulatory approval or limit their commercial potential.Undesirable side effects caused by our products or even competing products in development that utilize a common mechanism of action could cause us orregulatory authorities to interrupt, delay or halt clinical trials and could result in the denial of regulatory approval by the FDA or other regulatory authorities andpotential product liability claims. In our Phase 2b study of vadadustat for the treatment of anemia secondary to CKD in patients not on dialysis, the incidence of themost common treatment emergent adverse events were well balanced overall between the vadadustat and placebo treatment groups. There was a higher incidenceof serious adverse events (SAEs) reported in the vadadustat treatment group, the most common being renal-related. Serious adverse events deemed to be possiblyor probably related to vadadustat could have a material adverse effect on the development of our product candidates and our business as a whole. Ourunderstanding of adverse events in future clinical trials of our product candidates may change as we gather more information, and additional unexpected adverseevents may be observed in future clinical trials.If we or others identify undesirable side effects caused by our product candidates either before or after receipt of marketing approval, a number of potentiallysignificant negative consequences could result, including: ·our clinical trials may be put on hold; ·patient recruitment could be slowed, or enrolled patients may not want to complete a clinical trial; ·we may be unable to obtain regulatory approval for our product candidates or regulatory authorities may withdraw approvals of product candidates; ·regulatory authorities may require additional warnings on the label; ·a medication guide outlining the risks of such side effects for distribution to patients may be required; ·we could be sued and held liable for harm caused to patients; and ·our reputation may suffer.Any of these events could prevent us from achieving or maintaining market acceptance of our products and could substantially increase commercialization costs. Risks Related to our Business and IndustryIf we fail to attract and keep senior management and key scientific personnel, we may be unable to successfully develop our products, conduct our clinicaltrials and commercialize our product candidates.Recruiting and retaining qualified scientific, clinical, manufacturing and sales and marketing personnel will also be critical to our success. We are highly dependenton certain members of our senior management. The loss of the services of our executive officers or other key employees could impede the achievement of ourresearch, development and commercialization objectives and seriously harm our ability to successfully implement our business strategy. Furthermore, replacingexecutive officers and key employees may be difficult and may take an extended period of time because of the limited number of individuals in our industry withthe breadth of skills and experience required to successfully develop, gain regulatory approval of and commercialize products. We may be unable to hire, train,retain or motivate these key personnel on acceptable terms given the intense competition among numerous biopharmaceutical companies for similar personnel.We also experience competition for the hiring of scientific and clinical personnel from universities, research institutions and other biopharmaceutical companies. Inaddition, we rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our research and development andcommercialization strategy. Our consultants and advisors may become employed by companies other than us and may have commitments under consulting oradvisory contracts with other entities that may limit their availability to us. If we are unable to continue to attract and retain high quality personnel, our ability togrow and pursue our business strategy will be limited.Our employees, independent contractors, principal investigators, CROs, consultants and vendors may engage in misconduct or other improper activities,including non-compliance with regulatory standards and requirements and insider trading.We are exposed to the risk that our employees, independent contractors, principal investigators, CROs, consultants and vendors may engage in fraudulent conductor other illegal activity. Misconduct by these parties could include intentional, reckless and/or negligent conduct or unauthorized activities that violate (1) FDAregulations, including those laws that require the reporting of true, complete and accurate information to the FDA, (2) quality standards, including Good LaboratoryPractices (GLP), GCP and GMP, (3) federal51 and state healthcare fraud and abuse laws and regulations, (4) laws that require the reporting of true and accurate financial information and data or (5) securitieslaws and regulations. Specifically, sales, marketing and business arrangements in the healthcare industry are subject to extensive laws and regulations intended toprevent fraud, kickbacks, self-dealing and other abusive practices. These laws and regulations may restrict or prohibit a wide range of pricing, discounting,marketing and promotion, sales commission, customer incentive programs and other business arrangements. It is not always possible to identify and determisconduct by employ ees and third parties, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown orunmanaged risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to be in compliance with suchlaws or regulations. If any such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have asignificant impact on our business, including t he imposition of civil, criminal and administrative penalties, damages, monetary fines, possible exclusion fromparticipation in Medicare, Medicaid and other federal healthcare programs, contractual damages, reputational harm, diminished profits and future earnings, andcurtailment of our operations, any of which could adversely affect our ability to operate our business and our results of operations.We may encounter difficulties in managing our growth and expanding our operations successfully.As we seek to advance our product candidates through clinical trials and commercialization, we will need to expand our development, regulatory, manufacturing,marketing and sales capabilities or contract with third parties to provide these capabilities for us. As our operations expand, we expect that we will need to manageadditional relationships with various strategic collaborators, suppliers and other third parties. Future growth will impose significant added responsibilities onmembers of management. Our future financial performance and our ability to commercialize vadadustat, if approved, and any other product candidates and tocompete effectively will depend, in part, on our ability to manage any future growth effectively. To that end, we must be able to manage our development effortsand clinical trials effectively and hire, train and integrate additional personnel. We may not be able to accomplish these tasks, and our failure to accomplish any ofthem could prevent us from successfully growing our company. If product liability lawsuits are brought against us, we may incur substantial liabilities and may be required to limit commercialization of our productcandidates.We face an inherent risk of product liability as a result of the clinical testing of our product candidates and will face an even greater risk if we commercialize anyproducts. For example, we may be sued if any product we develop allegedly causes injury or is found to be otherwise unsuitable during product testing,manufacturing, marketing or sale. Any such product liability claims may include allegations of defects in manufacturing, defects in design, a failure to warn ofdangers inherent in the product, negligence, strict liability and breach of warranties. Claims could also be asserted under state consumer protection acts. If wecannot successfully defend ourselves against product liability claims, we may incur substantial liabilities or be required to limit commercialization of our productcandidates. Even a successful defense would require significant financial and management resources. Regardless of the merits or eventual outcome, productliability claims may result in: ·decreased demand for any product candidates or products that we may develop; ·injury to our reputation and significant negative media attention; ·withdrawal of clinical trial participants; ·significant costs to defend the related litigation; ·a diversion of management’s time and our resources; ·substantial monetary awards to study participants or patients; ·product recalls or withdrawals, or labeling, marketing or promotional restrictions; ·loss of revenue; ·the inability to commercialize any product candidates that we may develop; and ·a decline in our stock price.Failure to obtain and retain sufficient product liability insurance at an acceptable cost to protect against potential product liability claims could prevent or inhibit thecommercialization of products we develop. We currently carry product liability insurance that we believe is appropriate for our stage of development and may needto obtain higher levels prior to marketing any of our product candidates. Although we maintain product liability insurance, any claim that may be brought against uscould result in a court judgment or settlement in an amount that is not covered, in whole or in part, by our insurance or that is in excess of the limits of ourinsurance coverage. Our insurance policies also have various exclusions, and we may be subject to a product liability claim for which52 we have no cove rage. We will have to pay any amounts awarded by a court or negotiated in a settlement that exceed our coverage limitations or that are notcovered by our insurance, and we may not have, or be able to obtain, sufficient capital to pay such amounts.If we fail to comply with environmental, health and safety laws and regulations, we could become subject to fines or penalties or incur costs that could harmour business.We are subject to numerous environmental, health and safety laws and regulations, including those governing laboratory procedures and the handling, use, storage,treatment and disposal of hazardous materials and wastes. Our operations involve the use of hazardous and flammable materials, including chemicals and biologicalmaterials. Our operations also produce hazardous waste products. We generally contract with third parties for the use and disposal of these materials and wastes.We cannot eliminate the risk of contamination or injury from these materials. In the event of contamination or injury resulting from the use of hazardous materialsby our employees or consultants, we could be held liable for any resulting damages, and any liability could exceed our resources. We also could incur significantcosts associated with civil or criminal fines and penalties for failure to comply with such laws and regulations.Although we maintain workers’ compensation insurance to cover us for costs and expenses we may incur due to injuries to our employees resulting from the use ofhazardous materials, this insurance may not provide adequate coverage against potential liabilities. We do not maintain insurance for environmental liability ortoxic tort claims that may be asserted against us in connection with our storage or disposal of biological, hazardous or radioactive materials.In addition, we may incur substantial costs in order to comply with current or future environmental, health and safety laws and regulations. These current or futurelaws and regulations may impair our research, development or production efforts. Our failure to comply with these laws and regulations also may result insubstantial fines, penalties or other sanctions.Risks Related to our Common StockWe are an “emerging growth company” as defined in the Jumpstart Our Business Startups Act of 2012. As a result, we intend to continue to take advantage ofcertain reduced disclosure requirements.We are an “emerging growth company” as defined in the Jumpstart Our Business Startups Act of 2012, or the JOBS Act. For as long as we continue to be anemerging growth company, we may take advantage of exemptions from various reporting requirements that are applicable to other public companies that are notemerging growth companies. These exemptions include: ·not being required to comply with the auditor attestation requirements in the assessment of our internal control over financial reporting; ·reduced disclosure obligations regarding executive compensation; and ·exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and obtaining shareholder approval of anygolden parachute payments not previously approved.Investors may find our common stock less attractive if we continue to rely on these exemptions. If some investors find our common stock less attractive as a result,there may be a less active trading market for our common stock and our stock price may be more volatile. In addition, the JOBS Act provides that an emerginggrowth company can take advantage of an extended transition period for complying with new or revised accounting standards. This allows an emerging growthcompany to delay the adoption of these accounting standards until they would otherwise apply to private companies. We have irrevocably elected not to availourselves of this exemption and, therefore, we will be subject to the same new or revised accounting standards as other public companies that are not emerginggrowth companies.We could be an emerging growth company for up to five years from our initial public offering in March 2014, although circumstances could cause us to lose thatstatus earlier, including if the market value of our common stock held by non-affiliates exceeds $700 million as of any June 30 before that time or if we have totalannual gross revenue of $1 billion or more during any fiscal year before that time, in which cases we would no longer be an emerging growth company as of thefollowing December 31 or, if we issue more than $1 billion in non-convertible debt during any three-year period before that time, we would cease to be anemerging growth company immediately.53 Our stock price has been and may continue to be volatile, and, as a result you may not be able to resell your shares a t or above the public offering price.Our stock price has been and may continue to be volatile. Since our IPO in March 2014, the price of our common stock as reported on The NASDAQ GlobalMarket has ranged from a low of $5.91 on August 25, 2015 to a high of $31.00 on June 20, 2014. The market price of shares of our common stock could be subjectto wide fluctuations in response to many risk factors listed in this section, and others beyond our control.In addition, the stock market has recently experienced significant volatility, particularly with respect to pharmaceutical, biotechnology and other life sciencescompany stocks. The volatility of pharmaceutical, biotechnology and other life sciences company stocks often does not relate to the operating performance of thecompanies represented by the stock. As we operate in a single industry, we are especially vulnerable to the factors listed above to the extent that they affect ourindustry, markets or products. In the past, securities class action litigation has often been initiated against companies following periods of volatility in their stockprice, and such an action has recently been filed against us. This type of litigation could result in substantial costs and divert our management’s attention andresources, and could also require us to make substantial payments to satisfy judgments or to settle litigation.We and certain of our directors and executive officers are currently subject to securities class action litigation in connection with our initial public offering,which could result in substantial costs and divert management's attention.A purported securities class action was filed against us and certain of our directors and executive officers alleging violation of federal securities laws. We believesuch claims are without merit, and will engage in a vigorous defense of such litigation. In connection with such litigation, we could incur substantial costs and suchcosts and any related settlements or judgments may not be covered by insurance. We could also suffer an adverse impact on our reputation and a diversion ofmanagement's attention and resources, which could have a material adverse effect on our business.Our principal stockholders and management own a significant percentage of our stock and will be able to exercise significant influence over matters subject tostockholder approval.Our executive officers, directors and principal stockholders, together with their respective affiliates, collectively control a majority of our common stock.Accordingly, these stockholders will be able to exert a significant degree of influence over our management and affairs and over matters requiring stockholderapproval, including the election of our Board of Directors and approval of significant corporate transactions. This concentration of ownership could have the effectof entrenching our management and/or the Board of Directors, delaying or preventing a change in our control or otherwise discouraging a potential acquirer fromattempting to obtain control of us, which in turn could have a material and adverse effect on the fair market value of our common stock.Provisions in our charter documents and Delaware law may have anti-takeover effects that could discourage an acquisition of us by others, even if anacquisition would be beneficial to our stockholders, and may prevent attempts by our stockholders to replace or remove our current management.Provisions in our Amended and Restated Certificate of Incorporation and Amended and Restated By-Laws contain provisions that may have the effect ofdiscouraging, delaying or preventing a change in control of us or changes in our management. These provisions could also limit the price that investors might bewilling to pay in the future for shares of our common stock, thereby depressing the market price of our common stock. In addition, because our Board of Directorsis responsible for appointing the members of our management team, these provisions may frustrate or prevent any attempts by our stockholders to replace orremove our current management by making it more difficult for stockholders to replace members of our Board of Directors. Among other things, these provisions: ·authorize “blank check” preferred stock, which could be issued by our Board of Directors without stockholder approval and may contain voting,liquidation, dividend and other rights superior to our common stock; ·create a classified Board of Directors whose members serve staggered three-year terms; ·specify that special meetings of our stockholders can be called only by our Board of Directors pursuant to a resolution adopted by a majority of thetotal number of directors; ·prohibit stockholder action by written consent; ·establish an advance notice procedure for stockholder approvals to be brought before an annual meeting of our stockholders, including proposednominations of persons for election to our Board of Directors; ·provide that our directors may be removed only for cause;54 ·provide that vacanci es on our Board of Directors may be filled only by a majority of directors then in office, even though less than a quorum; ·require a supermajority vote of the holders of our common stock or the majority vote of our Board of Directors to amend our Amended and RestatedBy-Laws; and ·require a supermajority vote of the holders of our common stock to amend the classification of our Board of Directors into three classes and toamend certain other provisions of our Amended and Restated Certificate of Incorporation.These provisions, alone or together, could delay or prevent hostile takeovers and changes in control or changes in our management.Moreover, because we are incorporated in Delaware, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, which prohibitsa person who owns in excess of 15% of our outstanding voting stock from merging or combining with us for a period of three years after the date of the transactionin which the person acquired in excess of 15% of our outstanding voting stock, unless the merger or combination is approved in a prescribed manner.Any provision of our Amended and Restated Certificate of Incorporation, our Amended and Restated By-Laws or Delaware law that has the effect of delaying ordeterring a change in control could limit the opportunity for our stockholders to receive a premium for their shares of our common stock, and could also affect theprice that some investors are willing to pay for our common stock.Our ability to use net operating losses to offset future taxable income may be subject to certain limitations.In general, under Section 382 of the Internal Revenue Code of 1986, as amended, or the Code, a corporation that undergoes an “ownership change” is subject tolimitations on its ability to utilize its pre-change net operating losses, or NOLs, to offset future taxable income. Our existing NOLs may be subject to substantiallimitations arising from previous ownership changes and our ability to utilize NOLs could be further limited by Section 382 of the Code. Future changes in ourstock ownership, many of which are outside of our control, could result in an ownership change under Section 382 of the Code. Our NOLs may also be impairedunder state law. Accordingly, we may not be able to utilize a material portion of our NOLs. Furthermore, our ability to utilize our NOLs is conditioned upon ourattaining profitability and generating U.S. federal taxable income. As described above under “—Risks related to our financial position and need for additionalcapital,” we have incurred significant net losses since our inception and anticipate that we will continue to incur significant losses for the foreseeable future; thus,we do not know whether or when we will generate the U.S. federal taxable income necessary to utilize our NOLs. A full valuation allowance has been provided forthe entire amount of our NOLs.Our Amended and Restated Certificate of Incorporation designates the state or federal courts located in the State of Delaware as the sole and exclusive forumfor certain types of actions and proceedings that may be initiated by our stockholders, which could limit our stockholders’ ability to obtain a favorable judicialforum for disputes with us or our directors, officers or employees.Our Amended and Restated Certificate of Incorporation provides that, subject to limited exceptions, the state and federal courts located in the State of Delawarewill be the sole and exclusive forum for (1) any derivative action or proceeding brought on our behalf, (2) any action asserting a claim of breach of a fiduciary dutyowed by any of our directors, officers or other employees to us or our stockholders, (3) any action asserting a claim against us arising pursuant to any provision ofthe Delaware General Corporation Law, our Amended and Restated Certificate of Incorporation or our Amended and Restated By-Laws or (4) any other actionasserting a claim against us that is governed by the internal affairs doctrine. Any person or entity purchasing or otherwise acquiring any interest in shares of ourcapital stock shall be deemed to have notice of and to have consented to the provisions of our Amended and Restated Certificate of Incorporation described above.This choice of forum provision may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or our directors,officers or other employees, which may discourage such lawsuits against us and our directors, officers and employees. Alternatively, if a court were to find theseprovisions of our Amended and Restated Certificate of Incorporation inapplicable to, or unenforceable with respect to, one or more of the specified types of actionsor proceedings, we may incur additional costs associated with resolving such matters in other jurisdictions, which could adversely affect our business and financialcondition. 55 Ite m 1B.Unresolved Staff Comments None Ite m 2.PropertiesOur corporate headquarters are located in Cambridge, Massachusetts. We currently lease approximately 39,411 square feet of office space in Cambridge,Massachusetts under a lease that expires on August 31, 2026. We believe that our existing facilities are adequate to meet our current needs, and that suitableadditional alternative spaces will be available in the future on commercially reasonable terms for our future growth. Ite m 3.Legal ProceedingsShareholder LitigationIn September 2015, a purported securities class action lawsuit was filed against the Company, including its Chief Executive Officer, its Chief Financial Officer, andmembers of its Board of Directors, in the Business Litigation Section of the Suffolk County Superior Court of Massachusetts. The complaint is brought on behalfof an alleged class of those who purchased common stock of the Company pursuant or traceable to our initial public offering, and purports to allege claims arisingunder Sections 11, 12(a)(2) and 15 of the Securities Act of 1933, as amended (the “Securities Act”). The complaint generally alleges that the defendants violatedthe federal securities laws by, among other things, making material misstatements or omissions concerning the Phase 2b clinical study of vadadustat. Thecomplaint seeks, among other relief, unspecified compensatory damages, rescission of certain stock purchases, attorneys’ fees, and costs. In October 2015, weremoved the case to the United States District Court for the District of Massachusetts, and the plaintiff filed a motion to remand the case back to the BusinessLitigation Section of the Suffolk County Superior Court of Massachusetts. The plaintiff’s motion to remand is currently pending. We believe such claims arewithout merit, and we will engage in a vigorous defense of such litigation.Opposition Proceeding Against Our ’005 PatentIn July 2011, a third party filed an opposition to our issued European Patent No. 2044005, or the ’005 Patent. During the oral proceedings, which took place onApril 10, 2013, the Opposition Division of the European Patent Office maintained the ’005 Patent on the basis of the third auxiliary request filed during the oralproceedings. This decision resulted in the maintenance of a claim directed to a compound chosen from a group of eight compounds, including vadadustat, as wellas claims to compositions and methods for treating various diseases, including, but not limited to, anemia. Both parties have appealed the decision of theOpposition Division and final resolution of the opposition proceedings will likely take a year or more. We cannot be assured of the breadth of the claims that willremain in the ’005 Patent or that the patent will not be revoked in its entirety.Opposition and Invalidity Proceedings Against FibroGen Inc.As explained in more detail below, we have had some positive developments in our opposition and invalidity proceedings against FibroGen, Inc., orFibroGen. With regard to the opposition that we filed in Europe against FibroGen’s European Patent No. 1463823, or the ’823 patent, the European OppositionDivision issued a non-binding preliminary opinion that none of FibroGen’s ’823 patent claims meet the requirements for patentability. In an oral proceeding whichtook place March 8 and 9, 2016, the European Opposition Division confirmed that the patent as granted did not meet the requirements for patentability under theEuropean Patent Convention and, therefore, revoked the patent in its entirety. Likewise, with regard to the invalidity proceeding that we filed in Japan againstcertain claims of FibroGen’s Japanese Patent No. 4804131, or the ’131 patent, which is the Japanese counterpart to the ’823 patent, the JPO issued a preliminarydecision finding all of the challenged claims to be invalid. FibroGen subsequently amended the claims and the JPO accepted the amendments. The resultingFibroGen ’ 131 patent does not cover vadadustat or any pyridine carboxamide compounds. To date, FibroGen has been unsuccessful in its attempts to obtain apatent in the United States covering the same claim scope as it obtained in Europe and Japan in the ’823 and ’131 patents. In the event FibroGen were to obtainsuch patents in the United States, we may decide to challenge them like we have done in Europe and Japan. On May 13, May 20, and July 6, 2015, we also filedoppositions to FibroGen’s European Patent Nos. 2322153, 2322155, and 1633333 respectively, requesting the patents be revoked in their entirety. In June 2013, the European Patent Office granted the ’823 patent, to FibroGen. The ’823 patent claims, among other things, the use of a heterocyclic carboxamidecompound selected from the group consisting of pyridine carboxamides, quinoline carboxamides, isoquinoline carboxamides, cinnoline carboxamides, and beta-carboline carboxamides that inhibits HIF-PH enzyme activity in the manufacture of a medicament for increasing endogenous EPO in the prevention, pretreatmentor treatment of anemia. On December 5,56 2013, we filed an opposition to the ’823 patent requesting that the ’823 patent be revoked in its entirety. The European Opposition Division scheduled oralproceedings for March 8, 2016 and also issued a non-binding preliminary opinion that none of the ’823 patent’s claims met the requirements for patentability. In anoral proceeding which took place March 8 and 9, 2016, the European Opposition Division confirmed that the patent as granted did not meet the requirements forpatentability under the European Patent Convention and, therefore, revoked the patent in its entirety. If FibroGen appeals the decision of the European OppositionDivision, final resol ution of the appeal will likely take two to three years. While, for the reasons set forth in our opposition, we maintain that the ’823 patentshould be revoked in its entirety, the ultimate outcome of any appeal remains uncertain. If FibroGen appeals the decision of the European Opposition Division andthe Technical Board of Appeal at the European Patent Office decides not to revoke the ’823 patent in its entirety, or only certain claims of the ’823 patent and anysurviving claims are determined to encompa ss our intended use of vadadustat, we may not be able to commercialize vadadustat in the European Union for itsintended use, which could materially adversely affect our business, operating results and financial condition.In August 2011, the Japanese Patent Office granted the ’131 patent, to FibroGen. The ’131 patent claims, among other things, the use of certain heterocycliccarboxamides selected from the group consisting of pyridine carboxamides, quinoline carboxamides, and isoquinoline carboxamides to treat anemia, wherein theheterocyclic carboxamides also suppress HIF prolyl hydroxylase. On June 2, 2014, we filed an invalidity proceeding in the Japanese Patent Office challenging thevalidity of the ’131 patent and requesting that certain claims be revoked in their entirety. An oral hearing before the Japanese Patent Office was held on February9, 2015, and on May 11, 2015 the Japanese Patent Office issued a preliminary decision finding all of the challenged claims to be invalid. In response, FibroGenfiled a request for correction in which it requested that the ’ 131 patent claims be amended to exclude pyridine carboxamides from their scope. On November 18,2015 , Akebia received the final trial decision from the JPO in which it accepted FibroGen’s requested claim amendments. As a result of the JPO’s decision andFibroGen’s subsequent amendments, the FibroGen ’ 131 patent does not cover vadadustat or any pyridine carboxamide compounds .In August 2014, the European Patent Office granted European Patent Nos. 2322153, 2322155, and 1633333, or the ’153 patent, the ’155 patent, and the ’333patent, respectively, to FibroGen. These related patents claim, among other things, various compounds that either stabilize HIFα or inhibit a HIF hydroxylase or aHIF prolyl hydroxylase for treating or preventing various conditions, including, inter alia , iron deficiency, microcytosis associated with iron deficiency, anemia ofchronic disease, anemia wherein the subject has a transferrin saturation of less than 20%, anemia refractory to treatment with exogenously administered EPO, andmicrocytosis in microcytic anemia. On May 13, May 20, and July 6, 2015, we filed oppositions to the ’155 patent, the ’333 patent, and the ’153 patent,respectively, requesting that the patents be revoked in their entireties. While, for the reasons set forth in our oppositions, we believe that the ’153 patent, the ’155patent, and the ’333 patent should be revoked in their entireties, the ultimate outcomes of the oppositions remains uncertain. If the European Patent Office decidesnot to revoke the ’153 patent, the ’155 patent, or the ’333 patent in their entireties, or only certain claims of those patents, and any surviving claims are determinedto encompass our intended use of our lead product candidate, we may not be able to commercialize our lead product candidate in the European Union for itsintended use, which could materially adversely affect our business, operating results and financial condition. Ite m 4.Mine Safety DisclosuresNot applicable. 57 P ART II It em 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity SecuritiesMarket Price InformationOur common stock began trading on the NASDAQ Global Market on March 20, 2014 under the symbol “AKBA”. Prior to that date, there was no establishedpublic trading market for our common stock. The following table sets forth, for the periods indicated, the high and low intraday sales prices of our common stockas reported by the NASDAQ Global Market: High Low 2015 First Quarter$13.90 $8.47 Second Quarter$11.12 $7.27 Third Quarter$14.20 $5.91 Fourth Quarter$13.20 $7.91 High Low 2014 First Quarter from and after March 20th$28.50 $18.75 Second Quarter$31.00 $16.41 Third Quarter$28.33 $20.10 Fourth Quarter$21.75 $8.60 HoldersAt March 1, 2016, there were approximately 28 holders of record of our common stock. DividendsWe have never declared or paid any cash dividends on our common stock and our ability to pay cash dividends is currently prohibited by the terms of our debtfinancing arrangements. We currently intend to retain earnings, if any, for use in our business and do not anticipate paying cash dividends on our common stock inthe foreseeable future. Payment of future dividends, if any, on our common stock will be at the discretion of our board of directors after taking into account variousfactors, including our financial condition, operating results, anticipated cash needs, and plans for expansion.Issuer Purchases of Equity SecuritiesThere were no repurchases of shares of common stock made during the year ended December 31, 2015.Comparative Stock Performance GraphThe information included under the heading “Comparative Stock Performance Graph” in this Item 5 of Part II of this annual report on Form 10-K shall not bedeemed to be “soliciting material” or subject to Regulation 14A or 14C, shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwisesubject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the ExchangeAct.58 Set forth below is a graph comparing the total cumulative returns of Akebia Therapeutics, Inc., the NASDAQ Composite Index and the NASDAQ BiotechnologyIndex. The graph assumes $100 was invested on March 20, 2014 in our common stock and each of the indices and that all dividends, if any, are reinvested. 59 Equity Compensation Plan InformationWe have two equity compensation plans, which have both been approved by our shareholders: the 2014 Incentive Plan and the 2014 Employee Stock PurchasePlan.The following table sets forth the number and weighted-average exercise price of ordinary shares to be issued upon exercise of outstanding options and the numberof securities remaining available for future issuance under all of our equity compensation plans, at December 31, 2015. Plan Category Number of securities to beissued upon exercise ofoutstanding options,warrants and rights Weighted-averageexercise price ofoutstanding options,warrants and rights Number of securities remainingavailable for future issuance underequity compensation plans(excluding securities reflected incolumn (a)) (a) (b) (c) Equity compensation plans approved by security holders 2,206,635 $9.04 1,759,036 Total 2,206,635 $9.04 1,759,036 60 Ite m 6.Selected Financial Data The selected statements of operations data for the years ended December 31, 2015, 2014 and 2013 and the balance sheet data as of December 31, 2015 and 2014are derived from our audited consolidated financial statements included elsewhere in this Annual Report on Form 10-K. The balance sheet data as of December 31,2013 is derived from our audited consolidated financial statements not included in this Annual Report. You should read this data together with our consolidatedfinancial statements and related notes included elsewhere in this Annual Report on Form 10-K under the captions “Consolidated Financial Statements andSupplementary Data” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” Our historical results for any prior periodare not necessarily indicative of results to be expected in any future period, and our interim period results are not necessarily indicative of results to be expected fora full year or any other interim period. Year Ended December 31, 2015 2014 2013 2012 (in thousands, except share and per share data) Consolidated statements of operations data: Operating expenses: Research and development $43,016 $23,263 $8,902 $5,032 General and administrative 18,497 14,677 $7,031 3,491 Total operating expenses 61,513 37,940 15,933 8,523 Loss from operations (61,513) (37,940) (15,933) (8,523)Other income, net 797 906 2,766 327 Net loss $(60,716) $(37,034) $(13,167) $(8,196)Accretion on preferred stock - (86,899) (55,886) (3,323)Net loss applicable to common shareholders $(60,716) $(123,933) $(69,053) $(11,519)Net loss per share applicable to common stockholders—basic and diluted (1) $(2.29) $(8.04) $(126.94) $(27.82)Weighted-average number of common shares used in net loss per share applicable to common stockholders—basic and diluted 26,469,170 15,406,386 544,002 414,107 (1)See Note 2 within the notes to our consolidated financial statements appearing elsewhere in this Annual Report on Form 10-K for a description of themethod used to calculate basic and diluted net loss per share of common stock. December 31, 2015 2014 2013 (in thousands) Balance Sheet Data: Cash and cash equivalents and available for sale securities $138,454 $108,918 $32,556 Working capital 129,149 103,595 29,529 Total assets 142,940 110,995 34,665 Redeemable convertible preferred stock - - 157,827 Accumulated deficit (161,389) (100,673) (127,072)Total stockholders’ equity (deficit) 130,998 104,078 (127,072) 61 It em 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations You should read the following discussion and analysis of our financial condition and results of operations together with our consolidated financial statements andrelated notes appearing in this annual report on Form 10-K. Some of the information contained in this discussion and analysis or set forth elsewhere in this annualreport on Form 10-K, including information with respect to our plans and strategy for our business and related financing, includes forward-looking statements thatinvolve risks and uncertainties. As a result of many factors, including those factors set forth in the “Risk Factors” section of this annual report on Form 10-K, ouractual results could differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.Operating OverviewWe are a biopharmaceutical company focused on the development of novel proprietary therapeutics based on hypoxia inducible factor, or HIF, biology and thecommercialization of these products for patients with serious unmet medical needs. HIF is the primary regulator of the production of red blood cells, or RBCs, inthe body and a potentially novel mechanism for the treatment of anemia secondary to chronic kidney disease, or CKD. Pharmacologic modulation of the HIFpathway may also have broader therapeutic applications in acute renal failure, organ protection, ischemia-reperfusion injury, cancer, ophthalmology, andinflammatory diseases.Anemia is a serious medical condition in which blood is deficient in RBCs and hemoglobin, each of which is critical in delivering oxygen to tissue. Anemiagenerally exists when hemoglobin, a protein in RBCs that carries oxygen, is less than 13 g/dL in men or 12 g/dL in women. Untreated anemia is associated withchronic fatigue, increased risk of progression of multiple diseases and death. Anemia is common in patients with CKD, cancer, heart failure, inflammatory diseasesand other critical illnesses, as well as in the elderly.More than 30 million people in the United States have CKD, with estimates that over 1.8 million of these patients suffer from anemia. Anemia from theseindications is currently treated by injectable recombinant erythropoiesis-stimulating agents, or rESAs,—including Epogen ® , Procrit ® and Aranesp ® — with ironsupplementation or RBC transfusion. Based on the reported revenues of companies that market and sell rESAs, we estimate that global sales of injectable rESAswere $7.0 billion in 2014; the vast majority of which were for renal indications.rESAs are designed to stimulate production of RBCs by binding directly to and saturating erythropoietin, or EPO, receptors. While injectable rESAs andtransfusions may be effective in raising hemoglobin levels, they carry significant potential side effects and need to be delivered subcutaneously or intravenously. Inparticular, injectable rESAs may lead to thrombosis, stroke, myocardial infarction and death. These risks are described in black box warnings on the prescribinginformation of all products marketed in this class. These safety concerns, which became evident starting in 2006, have led to a significant reduction in the use ofinjectable rESAs. Today, anemia is either not treated or inadequately treated in the majority of non-dialysis dependent CKD patients. As a result, we believe that asafe, effective, oral therapeutic option will take significant market share and meaningfully grow the market in patients not requiring dialysis.Given the burdens of the current standard of care and costs associated with administering an injectable rESA, we believe our lead product candidate, vadadustat,formerly known as AKB-6548, is a promising cost-effective alternative for the treatment of anemia in CKD. Vadadustat is being developed as a once-daily, oraltherapy and has successfully completed Phase 2 development demonstrating that vadadustat can safely and predictably raise hemoglobin levels in patients withanemia related to CKD. Vadadustat works by a differentiated mechanism of action that we believe has the potential to be safer than that of injectable rESAs andmay offer additional beneficial therapeutics effects beyond anemia including delaying CKD progression. This novel mechanism of action is referred to as HIFprolyl-hydroxylase, or HIF-PH, inhibition. Instead of binding directly to the EPO receptors on cells in the bone marrow, vadadustat leads to activation of criticalpathways for hemoglobin and RBC production. This approach mimics the physiological adjustment made by the body when exposed to reduced oxygen levels athigher altitudes.We recently commenced Phase 3 development of vadadustat in non-dialysis patients. Positive results from our Phase 2b study in non-dialysis CKD patientsdemonstrated that vadadustat raised hemoglobin levels with no safety signal observed. In December 2015, we began dosing patients in our Phase 3 vadadustatprogram in non-dialysis patients with anemia related to CKD, PRO 2 TECT, after obtaining feedback from United States and European regulatory authoritiesregarding the design of the program. If the results from the PRO 2 TECT program support the results observed across our previous clinical studies, including 29,000days of patient exposure, we anticipate submitting a New Drug Application, or NDA, to the United States Food and Drug Administration, or FDA, for vadadustat in2019.62 We have also completed a Phase 2 study of vadadustat for t he treatment of anemia in patients undergoing dialysis, which found that vadadustat, dosed either oncedaily or three times per week, maintained stable hemoglobin levels following conversion from rESA therapy with no safety signal observed. We expect to in itiateour Phase 3 vadadustat program in dialys is-dependent CKD patients, INNO 2 VATE, in 2016, anticipating full enrollment by early 2018.We have engaged Quintiles, Inc., or Quintiles, as our primary clinical research organization, or CRO, for the PRO 2 TECT and INNO 2 VATE programs. We expectthe cost of the Phase 3 program to be in the range of $80,000 to $85,000 per patient and we plan to enroll approximately 3,100 patients in the PRO 2 TECT programand approximately 2,600 patients in the INNO 2 VATE program.A subset of dialysis-dependent CKD patients have shown an inadequate hemoglobin response despite receiving high doses of rESAs. Previous studies have shownthat rESA hyporesponsiveness is associated with poor clinical outcomes including increased mortality risk. By increasing iron mobilization, in addition toincreasing erythropoietin levels, vadadustat may allow for a more consistent hemoglobin response in these patients. We expect to generate clinical data inhyporesponsive dialysis-dependent patients by 2017.If approved by regulatory authorities, we plan to commercialize vadadustat in the United States for the treatment of anemia in patients with CKD. These patientsare primarily treated by approximately 7,000 nephrologists, and we believe we can reach most of this market with a specialty sales force of approximately 125people. In Japan and certain other Asian countries, we plan to commercialize vadadustat through our recently announced collaboration with Mitsubishi TanabePharma Corporation, or Mitsubishi Tanabe. We intend to seek one or more collaborators to commercialize vadadustat in additional markets. Our second clinical candidate, AKB-6899, is designed as a small molecule HIF-PH inhibitor with potential therapeutic benefit in oncology and ophthalmology.AKB-6899 has demonstrated the ability in vitro to reduce vascular endothelial growth factor, or VEGF, levels in the presence of hypoxia. In several preclinicalmouse models, AKB-6899 has been active in reducing tumor growth and development of metastases. We opened an Investigational New Drug application, or IND,with the FDA at the end of 2015. We expect to commence clinical development of AKB-6899 in 2016 and anticipate completion of the Phase 1 study in oncologyin late 2017.Since our inception in 2007, we have devoted the largest portion of our resources to our development efforts relating to vadadustat, including preparing for andconducting clinical studies of vadadustat, providing general and administrative support for these operations and protecting our intellectual property. We do not haveany products approved for sale and have not generated any revenue from product sales. We have funded our operations primarily through our IPO, our follow-onpublic offering, our at-the-market offering and the private placements of preferred stock, common stock and convertible notes.We have never been profitable and have incurred net losses in each year since inception. Our net losses were $60.7 million and $37.0 million for the year endedDecember 31, 2015 and 2014, respectively. Substantially all of our net losses resulted from costs incurred in connection with our research and developmentprograms and from general and administrative costs associated with our operations.We expect to continue to incur significant operating expenses and increased operating losses for at least the next several years. We expect our expenses willincrease substantially in connection with our ongoing activities, as we: ·conduct a global Phase 3 development program of vadadustat for the treatment of anemia secondary to CKD; ·seek regulatory approvals for our product candidates that successfully complete clinical trials; ·have our product candidates manufactured for clinical trials and for commercial sale; ·establish a sales, marketing and distribution infrastructure to commercialize any products for which we may obtain marketing approval; ·continue preclinical and clinical development of AKB-6899; ·initiate additional preclinical, clinical or other studies for additional indications for vadadustat, AKB‑6899 and other product candidates that we maydevelop or acquire; ·seek to discover and develop additional product candidates; ·acquire or in-license other commercial products, product candidates and technologies; ·make royalty, milestone or other payments under any future in-license agreements; ·maintain, protect and expand our intellectual property portfolio;63 ·attract and retain skilled personnel; and ·create additional infrastructure to support our operations as a public company.We do not expect to generate revenue from product sales unless and until we successfully complete development and obtain regulatory approval for one or more ofour product candidates, which we expect will take a number of years and is subject to significant uncertainty. We have no manufacturing facilities, and all of ourmanufacturing activities are contracted out to third parties. Additionally, we currently utilize third-party contract research organizations, or CROs, to carry out ourclinical development activities, and we do not yet have a sales organization. If we obtain regulatory approval for any of our product candidates, we expect to incursignificant commercialization expenses related to product sales, marketing, manufacturing and distribution. Accordingly, we will seek to fund our operationsthrough public or private equity or debt financings or other sources including geographic partnerships. However, we may be unable to raise additional funds orenter into other arrangements when needed on favorable terms or at all. Our failure to raise capital or enter into such other arrangements as and when needed wouldhave a negative impact on our financial condition and our ability to develop our products.On March 6, 2014, we effected a 1.75-for-1 stock split of our outstanding common stock. Our historical share and per share information have been retroactivelyadjusted to give effect to this stock split. Shares of common stock underlying outstanding stock options and other equity instruments were proportionately increasedand the respective exercise prices, if applicable, were proportionately reduced in accordance with the terms of the agreements governing such securities. Shares ofcommon stock reserved for issuance upon the conversion of our Series A Redeemable Convertible Preferred Stock, Series B Redeemable Convertible PreferredStock and Series C Redeemable Convertible Preferred Stock were proportionately increased, and the respective conversion prices were proportionately reduced.On March 25, 2014, we completed our IPO whereby we sold 6,762,000 shares of common stock, including 879,647 shares of common stock pursuant to the fullexercise of an over-allotment option granted to the underwriters, at a price of $17.00 per share. The shares began trading on the NASDAQ Global Market onMarch 20, 2014. The aggregate net proceeds received by us from the offering were approximately $104.4 million, net of underwriting discounts and commissionsand estimated offering expenses. Upon the closing of the IPO, all of our outstanding shares of convertible redeemable preferred stock converted into 12,115,183shares of common stock. Additionally, we are now authorized to issue 175,000,000 shares of common stock and 25,000,000 shares of preferred stock.On April 22, 2015, we completed a follow-on public offering whereby we sold 8,363,636 shares of common stock, including 1,090,909 share of common stockpursuant to the full exercise of an over-allotment granted to the underwriters in connection with the offering, at a price of $8.25 per share. The aggregate netproceeds received by us from the offering were approximately $64.6 million, net of underwriting discounts and commissions and estimated offering expenses.In August 2015, we entered into a Sales Agreement with Cantor Fitzgerald & Co. to periodically sell up to $50 million of shares of our common stock in an at-the-market, or ATM, offering. In January 2016, we terminated the Sales Agreement in order to use the shares for the January 2016 follow-on offering. During 2015,prior to the termination, we sold 1,719,434 shares of common stock pursuant to the Sales Agreement. The aggregate net proceeds received by the Company wereapproximately $18.4 million, net of commissions. No additional shares of our common stock will be sold pursuant to the Sales Agreement.In December 2015, we entered into a collaboration agreement with Mitsubishi Tanabe to develop and commercialize vadadustat in Japan and certain othercountries in Asia for total milestone payments of up to $350 million, including up to $100 million in upfront and development payments, of which $40 million wasreceived in January 2016. Of the $40.0 million received, $20.0 million is subject to refund to Mitsubishi depending on the outcome of discussions with the Japaneseregulator about the global trial design. In addition, we will receive tiered double-digit royalty payments on vadadustat sales.In January 2016, we completed a follow-on public whereby we sold 7,250,000 shares of common stock at a price of $9.00 per share. The aggregate net proceedsreceived by us from the offering were approximately $61.0 million, net of underwriting discounts and commissions and estimated offering expenses payable by us.Financial OverviewIn the quarter ended December 31, 2015, we identified and corrected an error in the historical classification of certain operating costs between research anddevelopment and general and administrative expenses. We concluded the effect of this classification error was not material to our consolidated financial statementsfor any prior period. The classification correction had no effect on our current or historical total operating expenses or net loss.64 RevenueTo date, we have not generated any revenue from the sales of products or other means. Our ability to generate product revenue and become profitable depends uponour ability to successfully develop and commercialize products. We expect to incur losses for the foreseeable future, and we expect these losses to increase as wecontinue our development of, and seek regulatory approvals for, our product candidates and begin to commercialize any approved products. Because of thenumerous risks and uncertainties associated with product development, we are unable to predict the timing or amount of increased expenses or when or if we willbe able to achieve or maintain profitability. Even if we are able to generate revenue from the sale of our products, we may not become profitable. If we fail tobecome profitable or are unable to sustain profitability on a continuing basis, then we may be unable to continue our operations at planned levels and be forced toreduce our operations.We will begin to recognize revenue starting in 2016 related to our agreement with Mitsubishi Tanabe (see Note 12).Research and Development ExpensesResearch and development expenses consist primarily of costs incurred for the development of our product candidates, which include: ·employee-related expenses, including salaries, benefits, travel and stock-based compensation expense; ·expenses incurred under agreements with the CROs and investigative sites that conduct our clinical studies; ·the cost of acquiring, developing and manufacturing clinical study materials; ·facilities, depreciation and other expenses, which include direct and allocated expenses for rent and maintenance of facilities, insurance and othersupplies; and ·costs associated with preclinical and clinical activities.Research and development costs are expensed as incurred. Costs for certain development activities are recognized based on an evaluation of the progress tocompletion of specific tasks using information and data provided to us by our vendors and our clinical sites.We cannot determine with certainty the duration and completion costs of the current or future clinical studies of our product candidates or if, when, or to whatextent we will generate revenue from the commercialization and sale of any of our product candidates that obtain regulatory approval. We may never succeed inachieving regulatory approval for any of our product candidates.The duration, costs and timing of clinical studies and development of our product candidates will depend on a variety of factors, including: ·the results of our meetings with the FDA and the EMA and other regulatory authorities and the consequential effect on our study design, study sizeand resulting operating costs; ·the size, rate of progress, results and costs of initiating and completing our global Phase 3 development of vadadustat; difficulties or delays inenrolling patients in our clinical trials; ·assuming favorable Phase 3 clinical results, the timing or, and the costs involved in, obtaining regulatory approvals for vadadustat in dialysis andnon-dialysis indications, including to fund the preparation and filing of regulatory submissions for vadadustat with the FDA, the EMA and otherregulatory authorities, and whether we will seek regulatory approval for both indications simultaneously; ·the cost, timing and outcome of our efforts to obtain marketing approval for vadadustat in the United States, Europe and in other jurisdictions; ·the scope, progress, results and costs of additional preclinical, clinical, or other studies for additional indications for vadadustat, AKB-6899 and otherproduct candidates that we may develop or acquire; ·the timing of, and the costs involved in, obtaining regulatory approvals for AKB-6899 if clinical studies are successful; ·the cost and timing of future commercialization activities for our products, if any of our product candidates are approved for marketing, includingproduct manufacturing, marketing, sales and distribution costs; ·the cost of having our product candidates manufactured for clinical trials; ·our ability to establish and maintain strategic collaborations, licensing or other arrangements and the financial terms of such agreements; and65 ·unanticipated changes to laws or regulations applicable to our clinical trials; A change in the outcome of any of these variables with respect to the development of a product candidate could mean a significant change in the costs and timingassociated with the development of that product candidate. For example, if the FDA, EMA or another regulatory authority were to require us to conduct clinicalstudies in addition to or different from those that we currently anticipate, or if we experience significant delays in enrollment in any of our clinical studies, we couldbe required to expend significant additional financial resources and time on the completion of clinical development.From inception through December 31, 2015, we have incurred $116.1 million in research and development expenses. We plan to increase our research anddevelopment expenditures for the foreseeable future as we continue the development of vadadustat and AKB-6899. Our current and/or planned research anddevelopment activities include the following: ·global Phase 3 development of vadadustat, including the PRO 2 TECT and INNO 2 VATE clinical programs; and ·the initiation of a Phase 1 study of AKB-6899 in 2016.Our direct research and development expenses consist principally of external costs, such as startup fees paid to investigators, consultants, central laboratories andCROs in connection with our clinical studies, and costs related to acquiring and manufacturing clinical study materials.We currently have two programs to which our research and development costs are attributable. Historically, we have not accumulated and tracked our research anddevelopment costs or our personnel and personnel-related costs on a program-by-program basis. Our employee and infrastructure resources, and many of our costs,were directed broadly to applicable research endeavors. As a result, we are unable to specify precisely the historical costs incurred for each of our programs on aprogram-by-program basis.General and Administrative ExpensesGeneral and administrative expenses consist primarily of salaries and related costs for personnel, including stock-based compensation and travel expenses. Othergeneral and administrative expense include facility-related costs, fees for directors, accounting and legal services fees, recruiting fees and expenses associated withobtaining and maintaining patents. We anticipate that our general and administrative expenses will increase in the future as we increase our headcount to support our continued research anddevelopment and potential commercialization of our product candidates. We also anticipate increased expenses related to finance, legal, regulatory and tax-relatedservices associated with maintaining compliance with exchange listing and SEC requirements, and our other costs associated with being a public company.Additionally, we anticipate an increase in payroll and related expenses if and when we prepare for commercial operations, especially in sales and marketing.Critical Accounting Policies and Significant Judgments and EstimatesOur management’s discussion and analysis of our financial condition and results of operations are based on our consolidated financial statements, which have beenprepared in accordance with U.S. generally accepted accounting principles. The preparation of these consolidated financial statements requires us to make estimatesand judgments that affect the reported amounts of assets, liabilities, and expenses and the disclosure of contingent assets and liabilities in our consolidated financialstatements. On an ongoing basis, we evaluate our estimates and judgments, including those related to prepaid and accrued research and development expenses andstock-based compensation. We base our estimates on historical experience, known trends and events, and various other factors that are believed to be reasonableunder the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparentfrom other sources. Actual results may differ from these estimates under different assumptions or conditions.While our significant accounting policies are described in more detail in the notes to our consolidated financial statements appearing elsewhere in this AnnualReport on Form 10-K, we believe the following accounting policies to be most critical to the judgments and estimates used in the preparation of our consolidatedfinancial statements.Prepaid and Accrued Research and Development ExpensesAs part of the process of preparing our consolidated financial statements, we are required to estimate our prepaid and accrued research and development expenses.This process involves reviewing open contracts and purchase orders, communicating with our personnel to identify services that have been performed on our behalfand estimating the level of service performed and the associated cost incurred for the service when we have not yet been invoiced or otherwise notified of the actualcost. The majority of our service providers66 invoice us monthly in arrears for services performed. We make estimates of our prepaid and accrued research and development expenses as of each balance sheetdate in our consolidated financial statements based on facts and circumstances kn own to us at that time. We confirm the accuracy of our estimates with the serviceproviders and make adjustments if necessary. Examples of estimated prepaid and accrued research and development expenses include expenses for: ·CROs in connection with clinical studies; ·investigative sites in connection with clinical studies; ·vendors in connection with preclinical development activities; and ·vendors related to product manufacturing, development and distribution of clinical materials.We base our expenses related to clinical studies on our estimates of the services received and efforts expended pursuant to contracts with multiple CROs thatconduct and manage clinical studies on our behalf. The financial terms of these agreements are subject to negotiation, vary from contract to contract and may resultin uneven payment flows. The scope of services under these contracts can be modified and some of the agreements may be cancelled by either party upon writtennotice. There may be instances in which payments made to our vendors will exceed the level of services provided and result in a prepayment of the clinicalexpense. Payments under some of these contracts depend on factors such as the successful enrollment of subjects and the completion of clinical study milestones.In accruing service fees, we estimate the time period over which services will be performed and the level of effort to be expended in each period. If the actualtiming of the performance of services or the level of effort varies from our estimate, we adjust the accrual or prepaid accordingly.Although we do not expect our estimates to be materially different from amounts actually incurred, if our estimates of the status and timing of services performeddiffer from the actual status and timing of services performed we may report amounts that are too high or too low in any particular period. To date, there have beenno material differences between our estimates and the amount actually incurred.Stock-Based CompensationStock-Based AwardsWe issue stock-based awards to employees and non-employees, generally in the form of stock options, restricted stock, RSUs and shares of common stock. Weaccount for our stock-based compensation awards in accordance with Financial Accounting Standards Board, (“FASB”) ASC Topic 718, Compensation—StockCompensation , or ASC 718. ASC 718 requires all stock-based payments to employees, including grants of employee stock options and restricted stock andmodifications to existing stock awards, to be recognized in the statements of operations and comprehensive loss based on their fair values. We account for stock-based awards to non-employees in accordance with FASB ASC Topic 505-50, Equity-Based-Payments to Non-Employees , or ASC 505-50, which requires the fairvalue of the award to be re-measured at fair value until a performance commitment is reached or counterparty performance is complete. Described below is themethodology we have utilized in measuring stock-based compensation expense. Since the consummation of our IPO, stock option, common stock and restrictedstock values are determined based on the quoted market price of our comparable public companies.We estimate the fair value of our stock-based awards of options to purchase shares of common stock to employees and non-employees using the Black-Scholesoption pricing model, which requires the input of highly subjective assumptions, including (a) the expected stock price volatility, (b) the calculation of the expectedterm of the award, (c) the risk-free interest rate and (d) expected dividends. Due to the lack of a public market for the trading of our common stock and a lack ofcompany-specific historical and implied volatility data, we have based our estimate of expected volatility on the historical volatility of a group of similar companiesthat are publicly traded. The historical volatility is calculated based on a period of time commensurate with the expected term assumption. The computation ofexpected volatility is based on the historical volatility of a representative group of companies with similar characteristics to our company, including stage ofproduct development and life science industry focus. We are a company in the product development stage with no revenue and the representative group ofcompanies has certain similar characteristics. We believe the group selected has sufficient similar economic and industry characteristics, and includes companiesthat are most representative of our company. We use the simplified method as prescribed by the SEC Staff Accounting Bulletin No. 107, Share-Based Payment, tocalculate the expected term for options granted to employees as we do not have sufficient historical exercise data to provide a reasonable basis upon which toestimate the expected term. The expected term is applied to the stock option grant group as a whole, as we do not expect substantially different exercise or post-vesting termination behavior among our employee population. For options granted to non-employees, we utilize the contractual term of the arrangement as thebasis for the expected term assumption. The risk-free interest rate is based on a treasury instrument whose term is consistent with the expected life of the stockoptions. The expected dividend yield is assumed to be zero as we have never paid dividends and have no current plans to pay any dividends on our common stock,similar to our peer group. We estimate grant date fair value of restricted stock awards with corresponding promissory notes67 using the Black-Scholes option pricing model. Post IPO, the grant date fair value of restricted stock awards and awards of common stock has been based on theestimated value of our common stock at the date of grant.Our stock-based awards are subject to either service or performance-based vesting conditions. Compensation expense related to awards to employees with service-based vesting conditions is recognized on a straight-line basis based on the grant date fair value over the associated service period of the award, which is generallythe vesting term. Consistent with the guidance in ASC 505-50, compensation expense related to awards to non-employees with service-based vesting conditions isrecognized on a straight-line basis based on the then-current fair value at each financial reporting date prior to the measurement date over the associated serviceperiod of the award, which is generally the vesting term. Compensation expense related to awards to employees with performance-based vesting conditions isrecognized based on the grant date fair value over the requisite service period using the accelerated attribution method to the extent achievement of the performancecondition is probable. Consistent with the guidance in ASC 505-50, compensation expense related to awards to non-employees with performance-based vestingconditions is recognized based on the then-current fair value at each financial reporting date prior to the measurement date over the requisite service period usingthe accelerated attribution method to the extent achievement of the performance condition is probable.We are also required to estimate forfeitures at the time of grant, and revise those estimates in subsequent periods if actual forfeitures differ from our estimates. Weuse historical data to estimate pre-vesting forfeitures and record stock-based compensation expense only for those awards that are expected to vest. To the extentthat actual forfeitures differ from our estimates, the difference is recorded as a cumulative adjustment in the period the estimates were revised. Stock-basedcompensation expense recognized in the consolidated financial statements is based on awards that are ultimately expected to vest.In June 2011, certain of our employees purchased shares of our restricted stock in exchange for promissory notes. Although these notes were 50% recourse to theemployees, we have accounted for the promissory notes as nonrecourse in their entirety since the promissory notes are not aligned with a corresponding percentageof the underlying shares. Accordingly, we have accounted for the combination of the promissory note and restricted stock as a grant of an option, as the substanceis similar to the grant of an option. The exercise price of this stock option is the principal and interest due on the promissory note. The fair value of the stock optionis recognized over the requisite service period (not the term of the promissory note) through a charge to compensation cost. The maturity date of the promissorynotes reflects the legal term of the stock option for purposes of valuing the award. The outstanding principal and interest on the promissory notes was paid in fullduring the third quarter of 2014. Stock-based compensation expense totaled approximately $4.7 million and $6.0 million for the years ended December 31, 2015 and 2014, respectively.We expect the impact of our stock-based compensation expense for stock options and restricted stock granted to employees and non-employees to grow in futureperiods due to the potential increases in the fair value of our common stock and the increase in the number of grants as a result of an increase in headcount.Emerging Growth Company StatusThe JOBS Act permits an “emerging growth company” to take advantage of an extended transition period to comply with new or revised accounting standardsapplicable to public companies. We chose to “opt out” of this provision and, as a result, we will comply with new or revised accounting standards as required whenthey are adopted. This decision to opt out of the extended transition period under the JOBS Act is irrevocable.Results of OperationsComparison of the Years Ended December 31, 2015 and 2014 Year ended December 31, Increase 2015 2014 (Decrease) (In Thousands) Operating expenses: Research and development $43,016 $23,263 $19,753 General and administrative 18,497 14,677 3,820 Total operating expenses 61,513 37,940 23,573 Loss from operations (61,513) (37,940) 23,573 Other income, net 797 906 (109)Net loss $(60,716) $(37,034) $23,682 68 Research and Development Expenses . Research and development expenses were $43.0 million for the year ended December 31, 2015, compared to $23.3 millionfor the year ended December 31, 2014. The increase of $19.7 million was primarily due to the following: (in millions) Preparation for the PRO 2 TECT Phase 3 program$14.2 Other clinical and non-clinical 2.7 Regulatory activities 1.2 Completion of Phase 2b study in non-dialysis patients with anemia related to CKD (4.8)Ongoing Phase 2 study for the treatment of anemia in patients undergoing dialysis (0.8)Total increase related to the continued development of vadadustat 12.5 Headcount and consulting 4.6 Drug development for AKB-6899 2.2 Other 1.2 Stock compensation (0.7)Total net increase$19.8 General and Administrative Expenses . General and administrative expenses were $18.5 million for the year ended December 31, 2015, compared to $14.7 millionfor the year ended December 31, 2014. The increase of $3.8 million was primarily due to the following expense increases: $1.2 million of wage and personnel-related costs due to additional headcount, $1.4 million in commercial planning costs, $0.7 million in legal costs and $0.7 million related to facilities.Other Income, Net . Other income, net, was $0.8 million for the year ended December 31, 2015, compared to $0.9 million for the year ended December 31, 2014.Other income, net for the year ended December 31, 2015, is primarily related to reimbursements under a services agreement for employee-related costs ofapproximately $0.3 million and interest income of approximately $0.5 million. Other income, net for the year ended December 31, 2014 is primarily related toreimbursements under a services agreement for employee-related costs of approximately $0.7 million and interest income of approximately $0.2 million. Thedecrease in reimbursements related to the services agreement for employee-related costs is principally the result of reduced time spent by our employees on theservices agreement related activities. Comparison of the Years Ended December 31, 2014 and 2013 Year ended December 31, Increase 2014 2013 (Decrease) (In Thousands) Operating expenses: Research and development $23,263 $8,902 $14,361 General and administrative 14,677 7,031 7,646 Total operating expenses 37,940 15,933 22,007 Loss from operations (37,940) (15,933) 22,007 Other income, net 906 2,766 (1,860)Net loss $(37,034) $(13,167) $23,867 69 Research and Development Expenses . Research and development expenses were $23.3 million for the year ended December 31, 2014, compared to $8.9 millionfor the year ended December 31, 2013. The increase of $14.4 million was primarily due to the following: (in millions) Ongoing Phase 2 study for the treatment of anemia in patients undergoing dialysis$2.9 Completion of Phase 2b study in non-dialysis patients with anemia related to CKD 1.7 Other clinical and non-clinical 3.3 Preparation for the PRO 2 TECT Phase 3 program 0.3 Total increase related to the continued development of vadadustat 8.2 Stock compensation 2.7 Headcount and consulting 3.0 Drug development for AKB-6899 0.3 Other 0.2 Total net increase$14.4 General and Administrative Expenses . General and administrative expenses were $14.7 million for the year ended December 31, 2014, compared to $7.0 millionfor the year ended December 31, 2013. The increase of $7.6 million was primarily due to the following expense increases: $1.8 million of stock-basedcompensation, $0.7 million of professional fees, $2.7 million related to additional headcount, severance and consulting costs, $1.1 million related to insurance andfacilities, $0.7 million in commercial planning costs and $0.7 million in legal costs.Other Income, Net . Other income, net, was $0.9 million for the year ended December 31, 2014, compared to $2.8 million for the year ended December 31, 2013.Other income, net for the year ended December 31, 2014, is primarily related to reimbursements under a services agreement for employee-related costs ofapproximately $0.7 million and interest income of approximately $0.2 million. Other income, net for the year ended December 31, 2013 included $1.0 million inreimbursements under a services agreement for employee-related costs and a $2.4 million gain on the extinguishment of debt, partially offset by net interestexpense of $0.7 million. The decrease in reimbursements related to the services agreement for employee-related costs is principally the result of reduced time spentby our employees on services agreement related activities. Liquidity and Capital ResourcesWe have incurred losses and cumulative negative cash flows from operations since our inception in February 2007, and as of December 31, 2015, we had anaccumulated deficit of $161.4 million. We anticipate that we will continue to incur losses for at least the next several years. We expect that our research anddevelopment and general and administrative expenses will continue to increase and, as a result, we will need additional capital to fund our operations, which wemay raise through a combination of equity offerings, debt financings, other third-party funding, marketing and distribution arrangements and other collaborations,strategic alliances and licensing arrangements.We have funded our operations principally from the sale of common stock and preferred stock. As of December 31, 2015, we had cash and cash equivalents andavailable for sale securities of approximately $138.5 million. We also received approximately $61.0 million of net proceeds from our follow-on public offering ofcommon stock in January 2016 and $40.0 million from Mitsubishi in January 2016 in connection with our collaboration agreement. Cash in excess of immediaterequirements is invested in accordance with our investment policy, primarily with a view to liquidity and capital preservation. Accordingly, available for salesecurities, consisting principally of corporate and government debt securities stated at fair value, are also available as a source of liquidity.70 Cash FlowsThe following table sets forth the primary sources and uses of cash for each of the periods set forth below: Year ended December 31, 2015 2014 2013 (In Thousands) Net cash provided by (used in): Operating activities $(52,407) $(27,483) $(11,332)Investing activities (13,688) (65,352) (11,425)Financing activities 83,093 104,400 42,331 Net increase in cash and cash equivalents $16,998 $11,565 $19,574 Operating Activities . During the years ended December 31, 2015, 2014 and 2013, our operating activities used net cash of $52.4 million, $27.5 million and $11.3million respectively. The net cash used in operating activities in these periods primarily resulted from our net losses and changes in our working capital accounts.The increase in net cash used in operations for the year ended December 31, 2015 as compared to the year ended December 31, 2014 was due primarily to higheroperating expenses during the year ended December 31, 2015 of $61.5 million as compared to $37.9 million for the year ended December 31, 2014 adjusted fornon-cash items, including stock-based compensation of $4.7 million in 2015. The increase in net cash used in operations for the year ended December 31, 2014 ascompared to the year ended December 31, 2013 was due primarily to higher operating expenses during the year ended December 31, 2014 of $37.9 million ascompared to $15.9 million for the year ended December 31, 2013 adjusted for non-cash items, including stock-based compensation of $6.0 million in 2014.Investing Activities . During the years ended December 31, 2015, 2014 and 2013, our investing activities used net cash of $13.7 million, $65.4 million and $11.4million, respectively. Net cash used in investing activities for the years ended December 31, 2015, 2014 and 2013 was comprised primarily of purchases ofavailable for sale securities and purchases of equipment, offset by proceeds from the maturities of available for sale securities.Financing Activities. During the years ended December 31, 2015, 2014 and 2013 our net cash provided by financing activities was $83.1 million, $104.4 millionand $42.3 million, respectively. Net cash provided by financing activities for the year ended December 31, 2015 consisted primarily of net proceeds from theissuance of common stock from our follow-on public offerings and ATM offering. Net cash provided by financing activities for the year ended December 31, 2014consisted primarily of net proceeds from the issuance of common stock in connection with our IPO. Net cash provided by financing activities for the year endedDecember 31, 2013 consisted primarily of net proceeds from the issuance of preferred stock.Operating Capital RequirementsTo date, we have not generated any revenue from product sales. We do not know when, or if, we will generate revenue from product sales. We do not expect togenerate significant revenue from product sales unless and until we obtain regulatory approval of and commercialize one of our current or future productcandidates. We anticipate that we will continue to generate losses for the foreseeable future, and we expect the losses to increase as we continue the developmentof, and seek regulatory approvals for, our product candidates, and begin to commercialize any approved products. We are subject to all risks incident to thedevelopment and commercialization of novel therapeutics, and we may encounter unforeseen expenses, difficulties, complications, delays and other unknownfactors that may adversely affect our business. We expect to incur additional costs associated with operating as a public company also, we anticipate that we willneed substantial additional funding in connection with our continuing operations.Our existing cash and cash equivalents and available for sale securities of $138.5 million at December 31, 2015, the net proceeds from our January 2016 publicoffering of approximately $61.0 million, together with the $40.0 million received in January 2016 in connection with our collaboration with Mitsubishi, aresufficient to fund our projected operating requirements through at least the second quarter of 2017.However, we do not currently estimate that these funds will enable us to complete our Phase 3 development of vadadustat, including both the PRO 2 TECT andINNO 2 VATE clinical programs. We have based these estimates on assumptions that may prove to be wrong, and we could use our available capital resourcessooner than we currently expect. We intend to secure a second geographic collaboration for the development and commercialization of vadadustat outside theUnited States with a goal of providing funds sufficient to enable us to complete our Phase 3 development of vadadustat, including both the PRO 2 TECT and INNO2 VATE clinical programs. However, there can be no assurance that our development milestones will be achieved, that we will be able to secure a secondgeographic collaboration for the development and commercialization of vadadustat outside the United States or that we will secure other sources of financing tocomplete our Phase 3 development of vadadustat.71 We will require additional capital for the further development of our existing product candidates and will also need to raise additional funds sooner to pursue otherdevelopment activities related to additional p roduct candidates. If and until we can generate a sufficient amount of revenue from our products, we expect to financefuture cash needs through public or private equity, debt offerings, or strategic transactions. There can be no assurance that additional funds will be available to uson acceptable terms or at all. If we are unable to raise additional capital in sufficient amounts or on terms acceptable to us, we may have to significantly delay,scale back or discontinue the development or commercializatio n of one or more of our product candidates. If we raise additional funds through the issuance ofadditional debt or equity securities, it could result in dilution to our existing stockholders or increased fixed payment obligations, and any such securities may haverights senior to those of our common stock. If we incur indebtedness, we could become subject to covenants that would restrict our operations and potentiallyimpair our competitiveness, such as limitations on our ability to incur additional debt, limitations on our ability to acquire, sell or license intellectual property rightsand other operating restrictions that could adversely impact our ability to conduct our business. Any of these events could significantly harm our business, financialcondi tion and prospects.Our forecast of the period of time through which our financial resources will be adequate to support our operations is a forward-looking statement and involvesrisks and uncertainties, and actual results could vary as a result of a number of factors. We have based this estimate on assumptions that may be substantiallydifferent than actual results, and we could utilize our available capital resources sooner than we currently expect. Our future funding requirements, both near- andlong-term, will depend on many factors, including, but not limited to those described under Part II, Item 1A Risk Factors of this Annual Report on Form 10-K.If we cannot expand our operations or otherwise capitalize on our business opportunities because we lack sufficient capital, our business, financial condition andresults of operations could be materially adversely affected.Contractual Obligations and CommitmentsIn December 2013, we entered into a three-year lease for 6,837 square feet of office space in Cambridge, Massachusetts. The lease has monthly lease payments ofapproximately $31,000 for the first twelve months, with annual rent escalation thereafter, and provides a rent abatement of approximately $31,000 for the first fullcalendar month of the lease term. The lease term commenced and rental payments began in January 2014. We recorded a deferred lease obligation in 2014 whichrepresents the cumulative difference between actual facility lease payments and lease expense recognized ratably over the lease period. In accordance with thelease, we entered into a cash-collateralized irrevocable standby letter of credit in the amount of $125,345, naming the landlord as beneficiary. In December 2014, we entered into a First Amendment to Lease for additional office space contiguous to its current office space in Cambridge,Massachusetts. The First Amendment included leasing an additional 8,530 square feet of office space, or the Expansion Space, with an occupancy date of March13, 2015. The First Amendment provided for additional monthly lease payments of approximately $45,000 for the 8,530 square feet for the first twelve months andprovided for annual rent escalations thereafter. The monthly rent on the existing 6,837 square feet remained at approximately $32,000 through December 31, 2016,the expiration of the lease. The First Amendment included a Landlord’s contribution for leasehold improvements in the amount of approximately $100,000 whichwas accounted for as a deferred lease incentive and reduction in monthly rent expense over the term of the lease. We recorded an additional deferred leaseobligation for the Expansion Space which represented the cumulative difference between actual facility lease payments and lease expense recognized ratably overthe lease period. We had an existing cash-collateralized irrevocable standby letter of credit of $125,345, naming the landlord as beneficiary. In connection with theFirst Amendment, we paid an additional cash security deposit to the landlord of $179,130. In November 2015, we entered into a Second Amendment to Lease amending the Lease to extend its existing lease for 16,222 square feet on the 11 th floor, whichwas due to expire on December 31, 2016, and lease an additional 23,189 square feet of office space on the 11 th and 14 th floors. Monthly lease payments for theexisting 16,222 square feet on the 11 th floor remain unchanged until December 31, 2016 and will be approximately $107,000 per month commencing on May 1,2017. The new space leased by the Company under the Second Amendment includes (i) 3,066 square feet on the 14 th floor which was delivered on November 23,2015 and additional monthly lease payments of approximately $20,000 commencing on March 1, 2016, (ii) 16,739 square feet on the 14 th floor with an estimateddelivery date of April 1, 2016 and additional monthly lease payments of approximately $110,000 commencing September 1, 2016 and (iii) 3,384 square feet on the1th floor with an estimated delivery date of January 1, 2017 and additional monthly lease payments of approximately $23,000 commencing May 1, 2017. Theabove rents are subject to annual rent escalations, commencing on either February 1, 2017 or February 1, 2018 depending upon the delivery date of each respectivesuite. The Second Amendment includes a Landlord’s contribution for leasehold improvements for both the new leased space and our existing premises. The termof the lease, as amended, expires on the later of August 31, 2026 or 10 years after the Landlord delivers the entirety of the 14 th floor to us. In connection with theSecond Amendment, we paid an additional cash security deposit to the landlord of $976,382. Total cash security deposits of $1,280,857 and $304,475 are includedin other assets in our consolidated balance sheets as of December 31, 2015 and 2014, respectively.72 We lease office equipment under two three year capital leases with payments commencing in February 2014 and April 2015, respectively. The capital leaseamounts are included in accrued expenses and other liabilities.At December 31, 2015, our future minimum payments required under these leases are as follows: Payments due by period (in thousands) Total Less than 1 year 1-3 years 3-5 years More than 5years Capital Lease Obligations$14 $8 $6 $— $— Operating Lease Obligations 32,697 2,522 9,365 9,365 11,445 Total$32,711 $2,530 $9,371 $9,365 $11,445 Under our agreement with Quintiles for the PRO 2 TECT and INNO 2 VATE programs, the total cost of committed work not yet paid as of December 31, 2015 wasapproximately $246.0 million. The estimated period of performance for the committed work is through the third quarter of 2019. The scope of the services underthis agreement can be modified and the agreement cancelled by the Company upon written notice.Off-Balance Sheet ArrangementsAs of December 31, 2015 we did not have any off-balance sheet arrangements as defined in the rules and regulations of the SEC. 73 Ite m 7A.Quantitative and Qualitative Disclosures about Market Risk We are exposed to market risk related to changes in interest rates. As of December 31, 2015 and 2014, we had cash and cash equivalents and available for salesecurities of $138.5 million and $108.9 million, respectively, primarily money market mutual funds consisting of U.S. government debt securities, certificates ofdeposit and corporate debt securities. Our primary exposure to market risk is interest rate sensitivity, which is affected by changes in the general level of U.S.interest rates, particularly because our investments are in short-term securities. Our investments are subject to interest rate risk and will fall in value if marketinterest rates increase. Due to the short-term duration of our investment portfolio and the low risk profile of our investments, an immediate 100 basis point changein interest rates would not have a material effect on the fair market value of our portfolio. 74 Ite m 8.Financial Statements and Supplementary Data Akebia Therapeutics, Inc.Table of Contents Page Report of Independent Registered Public Accounting Firm 76 Financial Statements Consolidated Balance Sheets 77 Consolidated Statements of Operations and Comprehensive Loss 78 Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) 79 Consolidated Statements of Cash Flows 80 Notes to Consolidated Financial Statements 81 75 Re port of Independent Registered Public Accounting FirmThe Board of Directors and Shareholders ofAkebia Therapeutics, Inc.We have audited the accompanying consolidated balance sheets of Akebia Therapeutics, Inc. (the “Company”) as of December 31, 2015 and 2014, and the relatedconsolidated statements of operations and comprehensive loss, redeemable convertible preferred stock and stockholders’ equity (deficit) and cash flows for each ofthe three years in the period ended December 31, 2015. These financial statements are the responsibility of the Company’s management. Our responsibility is toexpress an opinion on these financial statements based on our audits.We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that weplan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. We were not engaged toperform an audit of the Company’s internal control over financial reporting. Our audits included consideration of internal control over financial reporting as a basisfor designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Company’sinternal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting theamounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating theoverall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of Akebia Therapeutics, Inc. atDecember 31, 2015 and 2014, and the consolidated results of its operations and its cash flows for each of the three years in the period ended December 31, 2015, inconformity with U.S. generally accepted accounting principles./s/ Ernst & Young LLPBoston, MassachusettsMarch 14, 2016 76 AKEBIA THERAPEUTICS, INC.Consolidated Balance Sheets(in thousands, except share and per share data) December 31, December 31, 2015 2014 Assets Current assets: Cash and cash equivalents$49,778 $32,780 Available for sale securities 88,676 76,138 Prepaid expenses and other current assets 2,563 1,562 Total current assets 141,017 110,480 Property and equipment, net 540 210 Deferred offering costs 102 — Other assets 1,281 305 Total assets$142,940 $110,995 Liabilities and stockholders' equity Current liabilities: Accounts payable$2,313 $2,021 Accrued expenses 9,555 4,864 Total current liabilities 11,868 6,885 Other liabilities 74 32 Total liabilities 11,942 6,917 Commitments and contingencies (Note 8) Stockholders' equity: Preferred stock $0.00001 par value, 25,000,000 shares authorized at December 31, 2015 and 2014; 0 shares issued and outstanding at December 31, 2015 and 2014 — — Common stock: $0.00001 par value; 175,000,000 shares authorized at December 31, 2015 and 2014; 30,662,218 and 20,370,624 shares issued and outstanding at December 31, 2015 and 2014, respectively — — Additional paid-in capital 292,783 204,969 Treasury stock, at cost, 8,463 shares (162) (162)Accumulated other comprehensive loss (234) (56)Accumulated deficit (161,389) (100,673)Total stockholders' equity 130,998 104,078 Total liabilities and stockholders' equity$142,940 $110,995 See accompanying notes to consolidated financial statements. 77 AKEBIA THERAPEUTICS, INC.Consolidated Statements of Operations and Comprehensive Loss(in thousands, except share and per share data) Years ended December 31, 2015 2014 2013 Operating expenses: Research and development$43,016 $23,263 $8,902 General and administrative 18,497 14,677 7,031 Total operating expenses 61,513 37,940 15,933 Operating loss (61,513) (37,940) (15,933)Other income (expense): Interest income (expense), net 510 206 (704)Extinguishment of debt and other liabilities — — 2,420 Other income 287 700 1,050 Net loss$(60,716) $(37,034) $(13,167)Reconciliation of net loss to net loss applicable to common stockholders: Net loss$(60,716) $(37,034) $(13,167)Accretion on preferred stock — (86,899) (55,886)Net loss applicable to common stockholders$(60,716) $(123,933) $(69,053)Net loss per share applicable to common stockholders — basic and diluted$(2.29) $(8.04) $(126.94)Weighted-average number of common shares used in net loss per share applicable to common stockholders—basic and diluted 26,469,170 15,406,386 544,002 Comprehensive loss: Net loss$(60,716) $(37,034) $(13,167) Other comprehensive loss - unrealized loss on securities (234) (56) — Comprehensive loss$(60,950) $(37,090) $(13,167) See accompanying notes to consolidated financial statements. 78 Akebia Therapeutics, Inc.Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit)(in thousands, except share and per share data) Redeemable Convertible Preferred Stock Stockholders' Equity (Deficit) Series ARedeemableConvertiblePreferred Stock Series BRedeemable ConvertiblePreferred Stock Series CRedeemable ConvertiblePreferred Stock 2012 Series XRedeemableConvertiblePreferred Stock Common Stock Additional TotalStockholders' NumberofShares Amount Number ofShares Amount Number ofShares Amount NumberofShares Amount Number ofShares $0.00001ParValue Paid-InCapital TreasuryStock UnrealizedGain/Loss AccumulatedDeficit Equity(Deficit) Balance at December 31,2012 734,538 37,092 1,287,525 19,816 — — — — 615,757 — — — — (59,588) (59,588)Issuance of restrictedcommon stock — — — — — — — — 583,126 — — — — — - Issuance of commonstock — — — — — — — — 176,717 — — — — — - Exercise of stock options — — — — — — — — 14,357 — 5 — — — 5 Forfeitures of restrictedcommon stock — — — — — — — — (6,612) — — — — — — Reclassification of 2012Series X preferred stock uponmodification — — — — — — 25,000 2,486 — — — — — — — Sale of 2012 Series Xpreferred stock, net of issuancecosts of $42,096 — — — — — — 25,000 2,458 — — — — — — — Sale of Series Cpreferred stock, net of issuance costs of $1,151,923 — — — — 2,945,742 40,088 — — — — — — — — — Conversion of 2012Series X preferred stock into Series C preferredstock — — — — 357,143 4,944 (50,000) (4,944) — — — — — — — Accretion of preferredstock to redemption value — 2,275 — 1,441 — 52,170 — — — — (1,569) — — (54,317) (55,886)Share-basedcompensation expense — — — — — — — — — — 1,564 — — — 1,564 Net income (loss) — — — — — — — — — — — — — (13,167) (13,167)Balance at December 31,2013 734,538 39,367 1,287,525 21,257 3,302,885 97,203 — — 1,383,345 — — — — (127,072) (127,072)Issuance of commonstock — — — — — — — — 6,762,000 — 114,954 — — — 114,954 Issuance of restrictedcommon stock — — — — — — — — 56,000 — — — — — — Forfeitures of restrictedcommon stock — — — — — — — — (53,835) — — — — — — Receipt of payment onpromissory notes issued inexchange for shares of commonstock — — — — — — — — — — 237 — — — 237 Exercise of options — — — — — — — — 116,394 — 89 — — — 89 Accretion of preferredstock to redemption value — 34,821 — 24,257 — 27,822 — — — — (85,663) — — (1,237) (86,900)Conversion of preferredstock (734,538) (74,188) (1,287,525) (45,514) (3,302,885) (125,025) — — 12,115,183 — 180,057 — — 64,670 244,727 Share-basedcompensation expense — — — — — — — — — — 6,010 — — — 6,010 Deferred offering costs-IPO — — — — — — — — — — (10,715) — — — (10,715)Unrealized gain/loss — — — — — — — — — — — — (56) — (56)Treasury sharespurchased, not retired (2,553) — — — — — — — — (2,553) — — (94) — — (94)Treasury sharespurchased, retired (5,910) — — — — — — — — (5,910) — — (68) — — (68)Net income (loss) — — — — — — — — — — — — — (37,034) (37,034)Balance at December 31,2014 — — — — — — — — 20,370,624 — 204,969 (162) (56) (100,673) 104,078 Issuance of commonstock, net of issuance costs — — — — — — — — 10,083,070 — 82,750 — — — 82,750 Proceeds from sale ofstock under employee stock purchase plan — — — — — — — — 25,903 — 220 — — — 220 Forfeitures of restrictedcommon stock — — — — — — — — (36,053) — — — — — — Exercise of options — — — — — — — — 218,674 — 130 — — — 130 Share-basedcompensation expense — — — — — — — — — — 4,714 — — — 4,714 Unrealized gain/loss — — — — — — — — — — — — (178) — (178)Net income (loss) — — — — — — — — — — — — — (60,716) (60,716)Balance at December 31,2015 — — — — — — — — 30,662,218 — 292,783 (162) (234) (161,389) 130,998 See accompanying notes to consolidated financial statements 79 AKEBIA THERAPEUTICS, INC.Consolidated Statements of Cash Flows(in thousands) Year ended December 31, 2015 2014 2013 Operating activities: Net loss$(60,716) $(37,034) $(13,167)Adjustments to reconcile net loss to net cash used in operating activities: Gain on extinguishment of debt and other liabilities — — (2,420)Depreciation expense 96 49 1 Amortization of debt issuance costs — — 8 Amortization of premium/discount on investments 558 268 752 Stock-based compensation expense 4,714 6,010 1,564 Changes in operating assets and liabilities: Prepaid expenses and other current assets (1,001) (686) (217)Other assets (976) (179) (125)Accounts payable 231 1,307 296 Accrued expenses 4,646 2,754 1,976 Other liabilities 41 28 — Net cash used in operating activities (52,407) (27,483) (11,332)Investing activities: Purchase of equipment (414) (229) (19)Proceeds from maturities of available for sale securities 63,901 12,585 1,990 Purchases of available for sale securities (77,175) (77,708) (13,396)Net cash used in investing activities (13,688) (65,352) (11,425)Financing activities: Proceeds from the issuance of redeemable convertible preferred stock, net of issuance costs — — 40,047 Proceeds from the issuance of 2012 Series X preferred stock, net of issuance costs — — 2,279 Proceeds from the issuance of common stock, net of issuance costs 82,750 104,328 5 Proceeds from sale of stock under employee stock purchase plan 220 — — Proceeds from the exercise of stock options 130 — — Repurchase of treasury stock — (162) — Payments received on promissory notes issued in exchange for shares of common stock — 237 — Payments on capital lease obligations (7) (3) — Net cash provided by financing activities 83,093 104,400 42,331 Increase in cash and cash equivalents 16,998 11,565 19,574 Cash and cash equivalents at beginning of period 32,780 21,215 1,641 Cash and cash equivalents at end of period$49,778 $32,780 $21,215 Non-cash financing activities: Conversion of series A, series B and series C preferred stock into common stock$— $244,727 $— Accretion of preferred stock to redemption value$— $86,899 $55,886 Unpaid initial public offering issuance costs$— $— $857 Unpaid follow-on offering costs$102 $— $— Assets acquired under capital lease$12 $— $12 Reclassification of 2012 Series X preferred stock from debt to preferred stock$— $— $2,486 Conversion of 2012 Series X preferred stock into Series C preferred stock$— $— $4,944 See accompanying notes to consolidated financial statements. 80 Akebia Therapeutics, Inc.Notes to Consolidated Financial Statements 1. Nature of Organization and OperationsAkebia Therapeutics, Inc. (Akebia, or the Company) is a biopharmaceutical focused on the development of novel proprietary therapeutics based on hypoxiainducible factor, or HIF, biology and the commercialization of these products for patients with serious unmet medical needs. HIF is the primary regulator of theproduction of red blood cells, or RBCs, in the body and a potentially novel mechanism for the treatment of anemia secondary to chronic kidney disease, or CKD.Pharmacologic modulation of the HIF pathway may also have broader therapeutic applications in acute renal failure, organ protection, ischemia-reperfusion injury,cancer, ophthalmology, and inflammatory diseases. The Company’s lead product candidate, vadadustat, formerly known as AKB-6548, is a promising cost-effective alternative for the treatment of anemia. Vadadustat is being developed as a once-daily, oral therapy and has successfully completed Phase 2 developmentdemonstrating that vadadustat can safely and predictably raise hemoglobin levels in patients with anemia related to CKD. The Company’s operations to date have been limited to organizing and staffing the Company, business planning, raising capital, acquiring and developing itstechnology, identifying potential product candidates and undertaking preclinical and clinical studies. The Company has not generated any product revenue to date,nor is there any assurance of any future product revenue. The Company’s product candidates are subject to long development cycles and there is no assurance theCompany will be able to successfully develop, obtain regulatory approval for or market its product candidates.The Company is subject to a number of risks including, but not limited to, the need to obtain adequate additional funding including the resources necessary to fundits recently commenced global Phase 3 development of vadadustat, in dialysis and non-dialysis patients. In December 2015, the Company began dosing patients inits Phase 3 vadadustat program in non-dialysis patients with anemia related to CKD, PRO 2 TECT, after obtaining feedback from United States and Europeanregulatory authorities regarding the design of the program. The Company also expects to initiate its Phase 3 vadadustat program in dialysis-dependent CKDpatients, INNO 2 VATE, in 2016, anticipating full enrollment by early 2018. The Company has engaged a clinical research organization for the PRO 2 TECT andINNO 2 VATE programs. The Company expects the cost of the Phase 3 program to be in the range of $80,000 to $85,000 per patient and it plans to enrollapproximately 3,100 patients in PRO 2 TECT and approximately 2,600 patients in INNO 2 VATE.The Company is also subject to a number of risks including the need to obtain adequate additional funding, possible failure of preclinical testing or clinical trials,the need to obtain marketing approval for its product candidates, the development of new technological innovations by competitors, the need to successfullycommercialize and gain market acceptance of any of the Company’s products that are approved and the ability to protect its proprietary technology. If the Companydoes not successfully commercialize any of its products, it will be unable to generate product revenue or achieve profitability.On March 25, 2014, the Company completed its initial public offering, or IPO, whereby the Company sold 6,762,000 shares of common stock, including 879,647shares of common stock pursuant to the full exercise of an over-allotment option granted to the underwriters in connection with the offering, at a price of $17.00per share. The shares began trading on the NASDAQ Global Market on March 20, 2014. The aggregate net proceeds received by the Company from the offeringwere $104.4 million, net of underwriting discounts and commissions and estimated offering expenses. Upon the closing of the IPO, all outstanding shares ofconvertible redeemable preferred stock converted into 12,115,183 shares of common stock. Additionally, the Company is now authorized to issue up to175,000,000 shares of common stock and 25,000,000 shares of undesignated preferred stock.In April 2015, the Company completed a follow-on public offering whereby the Company sold 8,363,636 shares of common stock, including 1,090,909 share ofcommon stock pursuant to the full exercise of an over-allotment granted to the underwriters in connection with the offering, at a price of $8.25 per share. Theaggregate net proceeds received by the Company from the offering were approximately $64.6 million, net of underwriting discounts and commissions andestimated offering expenses. In August 2015, the Company entered into a Sales Agreement with Cantor Fitzgerald & Co. to periodically sell up to $50 million of shares of the Company’scommon stock in an “at-the-market” (ATM) offering. In January 2016, the Company terminated the Sales Agreement in order to use the shares for the January2016 follow-on offering. During 2015, prior to the termination, the Company sold 1,719,434 shares of common stock pursuant to the Sales Agreement. Theaggregate net proceeds received by the Company were approximately $18.4 million, net of commissions. No additional shares of the Company’s common stockwill be sold pursuant to the Sales Agreement.In December 2015, we entered into a collaboration agreement with Mitsubishi Tanabe to develop and commercialize vadadustat in Japan and certain othercountries in Asia for total milestone payments of up to $350 million, including up to $100 million in upfront81 and deve lopment payments, of which $40.0 million was received in January 2016. Of the $40.0 million received, $20.0 million is subject to refund to Mitsubishidepending on the outcome of discussions with the Japanese regulator about the global trial design. In a ddition, we will receive tiered double-digit royaltypayments on sales of vadadustat. In January 2016, the Company completed a follow-on public whereby the Company sold 7,250,000 shares of common stock at a price of $9.00 per share. Theaggregate net proceeds received by the Company from the offering were approximately $61.0 million, net of underwriting discounts and commissions andestimated offering expenses payable by the Company. The Company believes that it can continue as a going concern as its cash resources of approximately $138.5 million at December 31, 2015 will be sufficient toallow the Company to fund its current operating plan through at least the next twelve months. There can be no assurance, however, that the current operating planwill be achieved in the timeframe anticipated by the Company, or that its cash resources will fund the Company’s operating plan for the period anticipated by theCompany or that additional funding will be available on terms acceptable to the Company, or at all.Unless otherwise indicated, all information in these condensed consolidated financial statements gives retrospective effect to the 1.75-for-1 stock split of theCompany’s common stock (the Stock Split) that was effected on March 6, 2014 (see Note 6), as well as any other stock-splits in historical periods.The Company was incorporated on February 27, 2007 under the laws of the State of Delaware. 2. Summary of Significant Accounting PoliciesBasis of PresentationThe accompanying consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries, Akebia Therapeutics SecuritiesCorporation and Akebia Europe Limited. All intercompany balances and transactions have been eliminated in consolidation. These consolidated financialstatements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”). Any reference inthese notes to applicable guidance is meant to refer to the authoritative United States generally accepted accounting principles as found in the Accounting StandardsCodification (“ASC”) and Accounting Standards Update (“ASU”) of the Financial Accounting Standards Board (“FASB”). In the quarter ended December 31, 2015, the Company identified and corrected an error in the historical classification of certain operating costs between researchand development and general and administrative expenses. The Company concluded the effect of this classification error was not material to its consolidatedfinancial statements for any prior period. The classification correction had no effect on the Company’s current or historical total operating expenses or net loss.Recent Accounting PronouncementsFrom time to time, new accounting pronouncements are issued by the FASB or other standard-setting bodies and adopted by the Company as of the specifiedeffective date. Unless otherwise discussed, the Company believes the impact of recently issued standards that are not yet effective will not have a material impacton its financial position or results of operations upon adoption. In November 2015, the FASB issued ASU No. 2015-17, to simplify the presentation of deferred income taxes. The new standard requires that all deferred taxassets and liabilities, along with any related valuation allowance, be classified as noncurrent on the balance sheet. The standard is effective for interim and annualperiods beginning after December 15, 2016 and allows for early adoption using a full retrospective method or a prospective method for all periods presented. TheCompany has elected to early adopt the provisions of this new standard in the fourth quarter of 2015 using a full retrospective method. The accounting standard didnot have any impact on the Company’s consolidated financial statements since a full valuation allowance has been provided on the Company’s deferred tax assets(see Note 7). 82 In August 2014, the FASB issued ASU 2014-15, which requires management of public and private companies to evaluate whether there is substantial doubt aboutthe entity’s ability to continue as a going concern within one year after the date that the financial statements are issued. Management’s evaluation should be basedon relevant conditions and events that are known and reas onably knowable at the date that the financial statements are issued. If conditions or events raisesubstantial doubt about an entity’s ability to continue as a going concern, and substantial doubt is not alleviated after consideration of management’s pla ns, anentity should include a statement in the footnotes indicating that there is substantial doubt about the entity’s ability to continue as a going concern within one yearafter the date that the financial statements are issued. The new standard is eff ective for annual periods ending after December 15, 2016, and for annual periods andinterim periods thereafter. Early application is permitted. The Company has concluded, that if this standard had been adopted as of December 31, 2015, substantialdoubt a bout the Company’s ability to continue as a going concern does not exist. In May 2014, the FASB, issued a new revenue recognition standard which amends revenue recognition principles and provides a single, comprehensive set ofcriteria for revenue recognition within and across all industries. The new standard provides a five step framework whereby revenue is recognized when promisedgoods or services are transferred to a customer at an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods orservices. The standard also requires enhanced disclosures pertaining to revenue recognition in both interim and annual periods. In August 2015, the FASB deferredthe effective date of the new revenue standard from January 1, 2017 to January 1, 2018. Early adoption is permitted any time after the original effective date, whichfor us is January 1, 2017. The standard allows for adoption using a full retrospective method or a modified retrospective method. We are currently evaluating thetiming, method of adoption and the expected impact that the standard could have on our consolidated financial statements and related disclosures.Segment InformationOperating segments are defined as components of an enterprise about which separate discrete information is available for evaluation by the chief operating decisionmaker, or decision-making group, in deciding how to allocate resources and in assessing performance. The Company views its operations and manages its businessin one operating segment, which is the business of developing and commercializing proprietary therapeutics based on HIF biology.Use of EstimatesThe preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts ofassets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expensesduring the reporting period. Actual results may differ from those estimates. Management considers many factors in selecting appropriate financial accountingpolicies and controls, and in developing the estimates and assumptions that are used in the preparation of these financial statements. Management must applysignificant judgment in this process. In addition, other factors may affect estimates, including: expected business and operational changes, sensitivity and volatilityassociated with the assumptions used in developing estimates, and whether historical trends are expected to be representative of future trends. The estimationprocess often may yield a range of potentially reasonable estimates of the ultimate future outcomes, and management must select an amount that falls within thatrange of reasonable estimates. Estimates are used in the following areas, among others: prepaid and accrued research and development expense, stock-basedcompensation expense, accrued expenses and income taxes.Prior to the IPO, the Company utilized significant estimates and assumptions in determining the fair value of its common stock. The Company granted stockoptions at exercise prices not less than the fair market value of its common stock as determined by the Board of Directors contemporaneously at the date suchgrants were made, with input from management. Prior to the Company’s IPO in March 2014, the fair value of common stock at the grant date was adjusted inconnection with the Company’s retrospective fair value assessment for financial reporting purposes. Accordingly, the Board of Directors determined the estimatedfair value of the Company’s common stock based on a number of objective and subjective factors, including external market conditions affecting the biotechnologyindustry sector and the prices at which the Company sold shares of preferred stock, the superior rights and preferences of securities senior to the Company’scommon stock at the time and the likelihood of achieving a liquidity event, such as an IPO or sale of the Company.The Company utilized various valuation methodologies in accordance with the framework of the American Institute of Certified Public Accountants TechnicalPractice Aid, Valuation of Privately-Held Company Equity Securities Issued as Compensation , to estimate the fair value of its common stock in periods prior toMarch 2014. The methodologies included a probability analysis including both a potential public trading scenario and potential sale scenario. In both scenarios,value is estimated using the guideline public company method. The sale scenario includes an adjustment for a market participant acquisition premium. Value isallocated among the preferred and common shares according to the rights associated with each type of security. Valuation methodologies83 include estimate s and assumptions that require the Company’s judgment. These estimates include assumptions regarding future performance, including thesuccessful completion of a public offering. Significant changes to the key assumptions used in the valuations could resul t in different fair values of common stockat each valuation date.Cash and Cash EquivalentsCash and cash equivalents consist of all cash on hand, deposits and funds invested in available-for-sale securities with original maturities of three months or less atthe time of purchase. At December 31, 2015, the Company’s cash is primarily in money market funds. The Company may maintain balances with its banks inexcess of federally insured limits.InvestmentsManagement determines the appropriate classification of securities at the time of purchase and reevaluates such designation as of each balance sheet date.Currently, the Company classifies all securities as available-for-sale which are included in current assets as they are intended to fund current operations. TheCompany carries available-for-sale securities at fair value. The Company conducts periodic reviews to identify and evaluate each investment that has an unrealizedloss, in accordance with the meaning of other-than-temporary impairment and its application to certain investments. When assessing whether a decline in the fairvalue of a security is other-than-temporary, the Company considers the fair market value of the security, the duration of the security’s decline, and prospects for theunderlying business. Based on these considerations, the Company did not identify any other-than-temporary unrealized losses at December 31, 2015. Unrealizedlosses on available-for-sale securities that are determined to be temporary, and not related to credit loss, are recorded in accumulated other comprehensive loss, acomponent of stockholders’ equity. The amortized cost of debt securities in this category reflects amortization of premiums and accretion of discounts to maturitycomputed under the effective interest method. The Company includes this amortization in the caption “Interest income, net” within the Consolidated Statements ofOperations and Comprehensive Loss. We also include in net investment income, realized gains and losses and declines in value determined to be other thantemporary. The Company bases the cost of securities sold upon the specific identification method, and includes interest and dividends on securities in interestincome.PatentsCosts incurred in connection with the application for and issuance of patents are expensed as incurred.Income TaxesIncome taxes are recorded in accordance with FASB Topic 740, Income Taxes (ASC 740), which provides for deferred taxes using an asset and liability approach.The Company recognizes deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements ortax returns. Deferred tax assets and liabilities are determined based on the difference between the financial statement and tax bases of assets and liabilities usingenacted tax rates in effect for the year in which the differences are expected to reverse. Valuation allowances are provided, if, based upon the weight of availableevidence, it is more likely than not that some or all of the deferred tax assets will not be realized. The Company has elected to early adopt the provisions of ASUNo. 2015-17 in the fourth quarter of 2015 using a full retrospective method. As a result, all deferred taxes as of December 31, 2015 and 2014 are classified asnoncurrent within the income tax provision (see Note 7), however as we record a full valuation allowance against the Company’s net deferred tax assets, theadoption of this standard has no impact on our consolidated balance sheets as of December 31, 2015 and 2014.The Company accounts for uncertain tax positions in accordance with the provisions of ASC 740. When uncertain tax positions exist, the Company recognizes thetax benefit of tax positions to the extent that the benefit will more likely than not be realized. The determination as to whether the tax benefit will more likely thannot be realized is based upon the technical merits of the tax position, as well as consideration of the available facts and circumstances. As of December 31, 2015and 2014, the Company does not have any significant uncertain tax positions. The Company recognizes interest and penalties related to uncertain tax positions inincome tax expense.Stock-Based CompensationThe Company accounts for its stock-based compensation awards in accordance with FASB ASC Topic 718, Compensation—Stock Compensation (ASC 718). ASC718 requires all stock-based payments to employees, including grants of employee stock options, restricted stock, restricted stock units, or RSUs, and modificationsto existing stock awards, to be recognized in the statements of operations and comprehensive loss based on their fair values. The Company accounts for stock-basedawards to non-employees in accordance with FASB ASC Topic 505-50, Equity-Based Payments to Non-Employees (ASC 505-50), which requires the fair value of84 the award to be re-measured at fair value until a performance commitment is reached or counterparty performance is complete. The Company’s stock-based awardsare comprised of stock options, shares of restricted stock and shares of common stock. The Company estimates the fair value of options granted using the Black-Scholes option pricing model. The Company uses the quoted market price of comparable public companies to determine the fair value of restricted stock awardsand common stock awards.The Black-Scholes option pricing model requires the input of certain subjective assumptions, including (a) the expected stock price volatility, (b) the calculation ofexpected term of the award, (c) the risk-free interest rate and (d) expected dividends. Due to the lack of a public market for the trading of the Company’s commonstock and a lack of company-specific historical and implied volatility data, the Company has based its estimate of expected volatility on the historical volatility of agroup of similar companies that are publicly traded. The historical volatility is calculated based on a period of time commensurate with the expected termassumption. The computation of expected volatility is based on the historical volatility of a representative group of companies with similar characteristics to theCompany, including stage of product development and life science industry focus. The Company is in the product development stage with no revenue and therepresentative group of companies has certain similar characteristics to the Company. The Company believes the group selected has sufficient similar economicand industry characteristics, and includes companies that are most representative of the Company. The Company uses the simplified method as prescribed by theSEC Staff Accounting Bulletin No. 107, Share-Based Payment, to calculate the expected term for options granted to employees as it does not have sufficienthistorical exercise data to provide a reasonable basis upon which to estimate the expected term. The expected term is applied to the stock option grant group as awhole, as the Company does not expect substantially different exercise or post-vesting termination behavior among its employee population. For options granted tonon-employees, the Company utilizes the contractual term of the arrangement as the basis for the expected term assumption. The risk-free interest rate is based on atreasury instrument whose term is consistent with the expected life of the stock options. The expected dividend yield is assumed to be zero as the Company hasnever paid dividends and has no current plans to pay any dividends on its common stock, which is similar to the Company’s peer group.The Company’s stock-based awards are subject to either service- or performance-based vesting conditions. Compensation expense related to awards to employeeswith service-based vesting conditions is recognized on a straight-line basis based on the grant date fair value over the associated service period of the award, whichis generally the vesting term. Consistent with the guidance in ASC 505- 50, compensation expense related to awards to non-employees with service-based vestingconditions is recognized on a straight-line basis based on the then-current fair value at each financial reporting date prior to the measurement date over theassociated service period of the award, which is generally the vesting term. Compensation expense related to awards to employees with performance-based vestingconditions is recognized based on the grant date fair value over the requisite service period using the accelerated attribution method to the extent achievement of theperformance condition is probable. Consistent with the guidance in ASC 505-50, compensation expense related to awards to non-employees with performance-based vesting conditions is recognized based on the then-current fair value at each financial reporting date prior to the measurement date over the requisite serviceperiod using the accelerated attribution method to the extent achievement of the performance condition is probable.The Company is also required to estimate forfeitures at the time of grant, and revise those estimates in the subsequent periods if actual forfeitures differ from itsestimates. The Company uses historical data to estimate pre-vesting forfeitures and record stock-based compensation expense only for those awards that areexpected to vest. To the extent that actual forfeitures differ from the Company’s estimates, the difference is recorded as a cumulative adjustment in the period theestimates were revised. Stock-based compensation expense recognized in the condensed consolidated financial statements is based on awards that are ultimatelyexpected to vest.Fair Value of Financial InstrumentsThe Company is required to disclose information on all assets and liabilities reported at fair value that enables an assessment of the inputs used in determining thereported fair values. FASB ASC Topic 820, Fair Value Measurements and Disclosures (ASC 820), establishes a hierarchy of inputs used in measuring fair valuethat maximizes the use of observable inputs and minimizes the use of unobservable inputs by requiring that the observable inputs be used when available.85 Observable inputs are inputs that market participants would us e in pricing the asset or liability based on market data obtained from sources independent of theCompany. Unobservable inputs are inputs that reflect the Company’s assumptions about the inputs that market participants would use in pricing the asset or liability, and are developed based on the best information available in the circumstances. The fair value hierarchy applies only to the valuation inputs used indetermining the reported fair value of the investments, and is not a measure of the investment cre dit quality. The three levels of the fair value hierarchy aredescribed below: ·Level 1 – Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the ability to accessat the measurement date. ·Level 2 – Valuations based on quoted prices for similar assets or liabilities in markets that are not active, or for which all significant inputs areobservable, either directly or indirectly. ·Level 3 – Valuations that require inputs that reflect the Company’s own assumptions that are both significant to the fair value measurement andunobservable.To the extent that valuation is based on models or inputs that are less observable or unobservable in the market, the determination of fair value requires morejudgment. Accordingly, the degree of judgment exercised by the Company in determining fair value is greatest for instruments categorized in Level 3. A financialinstrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement.Items measured at fair value on a recurring basis include short-term investments (see Note 4). The carrying amounts of accounts receivable, prepaid expenses andother current assets, accounts payable and accrued expenses approximate their fair values due to their short-term maturities. The rate implicit within the Company’scapital lease obligation approximates market interest rates.Concentrations of Credit Risk and Off-Balance Sheet RiskCash, investments and accounts receivable are the only financial instruments that potentially subject the Company to concentrations of credit risk. The Companymaintains its cash with high quality, accredited financial institutions and, accordingly, such funds are subject to minimal credit risk. The Company has nosignificant off-balance sheet concentrations of credit risk, such as foreign currency exchange contracts, option contracts or other hedging arrangements.Net Loss per ShareBasic net loss per share is calculated by dividing net loss attributable to common stockholders by the weighted-average shares outstanding during the period,without consideration for common stock equivalents. Diluted net loss per share is calculated by adjusting weighted-average shares outstanding for the dilutiveeffect of common stock equivalents outstanding for the period, determined using the treasury-stock method. For purposes of the diluted net loss per sharecalculation, preferred stock, stock options, unvested restricted stock and RSUs are considered to be common stock equivalents, but have been excluded from thecalculation of diluted net loss per share, as their effect would be anti-dilutive for all periods presented. Therefore, basic and diluted net loss per share were the samefor all periods presented.Property and EquipmentProperty and equipment is stated at cost, less accumulated depreciation. Assets under capital lease are included in property and equipment. Property and equipmentis depreciated using the straight-line method over the estimated useful lives of the assets, generally three to seven years. Such costs are periodically reviewed forrecoverability when impairment indicators are present. Such indicators include, among other factors, operating losses, unused capacity, market value declines andtechnological obsolescence. Recorded values of asset groups of equipment that are not expected to be recovered through undiscounted future net cash flows arewritten down to current fair value, which generally is determined from estimated discounted future net cash flows (assets held for use) or net realizable value(assets held for sale).86 The following is the summary of property and equipment and related accumulated depreciation as of December 31, 2015 and 2014. Useful Life 2015 2014 (in thousands) Computer equipment and software 3 $300 $99 Furniture and fixtures 5 243 117 Equipment 7 50 6 Leasehold improvements Shorter of theuseful life orremaininglease term(3 years) 70 27 Office equipment under capital lease 3 24 12 687 261 Less accumulated depreciation (147) (51)Net property and equipment $540 $210 Depreciation expense, including expense associated with assets under capital leases, was approximately $96,000, $49,000 and $1,000 for the years endedDecember 31, 2015, 2014 and 2013, respectively. 3. Available for sale securitiesAvailable for sale securities at December 31, 2015 and 2014 consist of the following: Gross Gross Unrealized Unrealized Amortized Cost Gains Losses Fair Value (in thousands) December 31, 2015 Cash and cash equivalents $49,778 $— $— $49,778 Available for sale securities: Certificates of deposit $21,505 — — $21,505 U.S. Government debt securities 46,461 — (185) 46,276 Corporate debt securities 20,944 1 (50) 20,895 Total available for sale securities $88,910 $1 $(235) $88,676 Total cash, cash equivalents, and available for sale securities $138,688 $1 $(235) $138,454 The estimated fair value of the Company’s available-for-sale securities balance at December 31, 2015, by contractual maturity, is as follows: Due in one year or less $39,075 Due after one year 49,601 Total available for sale securities $88,676 87 Gross Gross Unrealized Unrealized Amortized Cost Gains Losses Fair Value (in thousands) December 31, 2014 Cash and cash equivalents $32,780 $— $— $32,780 Available for sale securities: Certificates of deposit $13,429 — — $13,429 U.S. Government debt securities 38,412 1 (28) 38,385 Commercial paper 2,499 — — 2,499 Corporate debt securities 21,854 3 (32) 21,825 Total available for sale securities $76,194 $4 $(60) $76,138 Total cash, cash equivalents, and available for sale securities $108,974 $4 $(60) $108,918 4. Fair Value of Financial InstrumentsThe Company utilizes a portfolio management company for the valuation of the majority of its investments. This company is an independent, third-party vendorrecognized to be an industry leader with access to market information that obtains or computes fair market values from quoted market prices, pricing for similarsecurities, recently executed transactions, cash flow models with yield curves and other pricing models. For valuations obtained from the pricing service, theCompany performs due diligence to understand how the valuation was calculated or derived, focusing on the valuation technique used and the nature of the inputs.Based on the fair value hierarchy, the Company classifies its cash equivalents and available-for-sale securities within Level 1 or Level 2. This is because theCompany values its cash equivalents and available-for-sale securities using quoted market prices or alternative pricing sources and models utilizing marketobservable inputs.Assets measured or disclosed at fair value on a recurring basis as of December 31, 2015 are summarized below: Fair Value Measurements Using Level 1 Level 2 Level 3 Total (in thousands) Assets: Cash and cash equivalents $49,778 $— $— $49,778 Certificates of deposit — 21,505 — 21,505 U.S. Government debt securities — 46,276 — 46,276 Corporate debt securities — 20,895 — 20,895 $49,778 $88,676 $— $138,454 The Company’s corporate debt securities are all investment grade.Assets measured or disclosed at fair value on a recurring basis as of December 31, 2014 are summarized below: Fair Value Measurements Using Level 1 Level 2 Level 3 Total (in thousands) Assets: Cash and cash equivalents $32,780 $— $— $32,780 Certificates of deposit — 13,429 — 13,429 U.S. Government debt securities — 38,385 — 38,385 Commercial paper — 2,499 — 2,499 Corporate debt securities — 21,825 — 21,825 $32,780 $76,138 $— $108,918 The Company had no assets or liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) at December 31, 2015 andDecember 31, 2014.88 Investment securities are exposed to various risks such as interest rate, market and credit. Due to the level of risk associated with certain investment securities andthe level of uncertainty related to changes in the value of investment securities, it is at least reasonably possible that changes in risks in the near term would resultin material changes in the fair value of investments. 5. Accrued ExpensesAccrued expenses are as follows: December 31, 2015 2014 (in thousands) Accrued clinical $4,536 $2,132 Accrued bonus 2,178 1,286 Professional fees 647 328 Accrued payroll 518 213 Accrued vacation 310 177 Accrued severance — 179 Other 1,366 549 Total accrued expenses $9,555 $4,864 In February 2014, the Company entered into a separation agreement with an employee primarily as a result of the transition to the Company’s Cambridge,Massachusetts location. During the first quarter of 2014, the Company recorded severance expense in the amount of approximately $0.3 million, which wasrecorded to general and administrative expense. During the year ended December 31, 2014, approximately $0.3 million was paid out of the severance accrual andthe remainder was paid during the first quarter of 2015. At December 31, 2015 and 2014, approximately $0 and $45,890, respectively, remained in accruedexpenses in relation to the unpaid severance costs.In August 2014, the Company entered into a separation agreement with an employee, which became effective on August 13, 2014. The Company will record theexpense and liability associated with the separation agreement ratably over the period from August 5, 2014 through December 31, 2015 because the severancepayments are subject to continued service and forfeiture until December 31, 2015. During the year ended 2015 and 2014, the Company recorded severance expensein the amount of approximately $0.3 million and $0.1 million respectively, which was recorded to research and development expense. At December 31, 2015 and2014, approximately $0 and $0.1 million, respectively, remained in accrued expense in relation to the unpaid severance costs. 6. Stockholders’ EquityAuthorized and Outstanding Capital StockAs of December 31, 2014, the authorized capital stock of the Company included 175,000,000 shares of common stock, par value $0.00001 per share, of which30,662,218 and 20,370,624 shares are issued and outstanding at December 31, 2015 and December 31, 2014, respectively; and 25,000,000 shares of undesignatedpreferred stock, par value $0.00001 per share, of which 0 shares are issued and outstanding at December 31, 2015 and December 31, 2014.On March 6, 2014, the Company effected a 1.75-for-1 stock split of its outstanding common stock. Unless otherwise indicated, all share data and per share amountsin these financial statements have been retroactively adjusted to reflect the stock split, as well as any stock splits that occurred in periods prior to March 6, 2014. Upon the closing of the IPO on March 25, 2014, all of the outstanding shares of the Company’s redeemable convertible preferred stock were converted into12,115,183 shares of its common stock. As of December 31, 2014, the Company does not have any redeemable convertible preferred stock issued or outstanding.Equity PlansOn February 28, 2014, the Company’s Board of Directors adopted its 2014 Incentive Plan (2014 Plan) and its 2014 Employee Stock Purchase Plan (ESPP), whichwere subsequently approved by its stockholders and became effective upon the closing of the Company’s IPO on March 25, 2014. The 2014 Plan replaces the 2008Equity Incentive Plan (2008 Plan), however, any options or awards outstanding under the 2008 Plan at the time of adoption of the 2014 Plan remain outstandingand effective.89 The 2014 Plan allows for the granting of stock options, stock appreciation rights, or SARs, restricted stock, unrestricted stock, stock units, performance awards andother awards convertible into or oth erwise based on shares of our common stock. Dividend equivalents may also be provided in connection with an award underthe 2014 Plan. The Company’s employees, officers, directors and consultants and advisors are eligible to receive awards under the 2014 P lan. The Companyinitially reserved 1,785,000 shares of its common stock for the issuance of awards under the 2014 Plan. The 2014 Plan provides that the number of shares reservedand available for issuance under the 2014 Plan will automatically increase an nually on January 1 st of each calendar year, by an amount equal to three percent(3%) of the number of shares of stock outstanding on a fully diluted basis as of the close of business on the immediately preceding December 31 st (2014 PlanEvergreen Provisio n). The Company’s Board of Directors may act prior to January 1 st of any year to provide that there will be no automatic increase in thenumber of shares available for grant under the 2014 Plan for that year (or that the increase will be less than the amou nt that would otherwise have automaticallybeen made). Subject to adjustment, no more than 1,131,937 shares of our common stock may be delivered in satisfaction of incentive stock options awarded underthe 2014 Plan. During the year ended December 31, 201 5, the Company granted 957,050 stock options to employees, 27,875 restricted stock units to employeesand 35,000 stock options to directors under the 2014 Plan. The ESPP authorizes the initial issuance of up to a total of 262,500 share of the Company’s common stock to participating employees. The maximum aggregatenumber of shares of common stock available for purchase pursuant to the exercise of options granted under the ESPP will be the lesser of (a) 262,500 shares,increased on each anniversary of the adoption of the ESPP by one percent (1%) of the total shares of common stock then outstanding and (b) 739,611 shares (whichis equal to five percent (5%) of the total shares of common stock outstanding on the date of the adoption of the ESPP on a fully diluted, as converted basis (ESPPEvergreen Provision). Under the ESPP, each offering period is six months, at the end of which employees may purchase shares of common stock through payrolldeductions made over the term of the offering. The per-share purchase price at the end of each offering period is equal to the lesser of 85% of the closing price ofour common stock at the beginning or end of the offering period. Shares Reserved for Future IssuanceThe Company has reserved for future issuance the following number of shares of common stock: December 31, 2015 2014 Unvested restricted common stock 216,716 422,145 Common stock options and RSU's outstanding 2,231,057 1,526,346 Shares available for issuance under the 2014 Plan (1) 1,318,732 1,549,154 Shares available for issuance under the ESPP 440,304 262,500 Total 4,206,809 3,760,145 (1)On January 1, 2016, the shares reserved for future grants under the 2014 Plan increased by 986,800 shares pursuant to the 2014 Plan EvergreenProvision. (2)On February 28, 2016, the shares reserved for future issuance under the ESPP increased by 379,430 shares pursuant to the ESPP EvergreenProvision.Stock-Based CompensationStock OptionsOn March 6, 2015, the Company issued 479,750 stock options to employees. Options granted by the Company vest over periods of between 12 and 48 months.Options vest in installments of (i) 25% at the one year anniversary and (ii) in either 36 or 48 equal monthly or 12 equal quarterly installments beginning in thethirteenth month after the initial Vesting Commencement Date (as defined) or grant date, subject to the employee’s continuous service with the Company. Optionsgenerally expire ten years after the date of grant.90 The assumptions used in the Black-Scholes pricing model to estimate the grant date fair value of options granted to employees are as follows: Year ended December 31, 2015 2014 Risk-free interest rate 1.44% - 1.95% 1.63% - 2.06% Dividend yield 0.00% 0.00% Volatility 62.47% - 81.25% 67.97% - 77.00% Expected term (years) 5.51 - 6.25 6.25 The following table summarizes the Company’s stock option activity: Shares Weighted-AverageExercise Price Weighted-AverageContractual Life(in years) Aggregate IntrinsicValue Outstanding, December 31, 2014 1,526,349 $7.57 $11,523,531 Granted 992,050 $9.81 Exercised (218,674) $0.60 $2,047,507 Forfeited (93,090) $12.96 $107,384 Expired/cancelled — Outstanding, December 31, 2015 2,206,635 $9.04 8.20 $13,114,811 Options exercisable, December 31, 2015 610,696 $6.20 6.63 $5,620,564 Expected to vest, December 31, 2015 1,958,808 $9.71 8.56 $10,737,600 As of December 31, 2015, there was approximately $9.7 million of unrecognized compensation cost related to stock options, which is expected to be recognizedover a weighted average period of 2.62 years.Restricted StockOn December 23, 2013, the Company issued 450,224 shares of restricted stock to employees and 79,067 shares of restricted stock to non-employees at a grant datefair value of $7.42 per share. The aggregate grant date fair value for the shares of restricted stock issued on December 23, 2013 totaled approximately $3.9 million.The awards of restricted stock contained a performance condition wherein vesting is contingent upon the Company’s consummation of a liquidity event, as defined,prior to the fifth anniversary of the date of grant. Certain of the awards of restricted stock have a requisite service period that was complete upon grant. Theremainder of the awards of restricted stock have a requisite service period of four years whereby the award vests 25% on the one year anniversary of the VestingCommencement Date (as defined), then ratably on the first day of each calendar quarter for 12 quarters, subject to continuous service by the individual andachievement of the performance target. Due to the nature of the performance condition, the Company had concluded that the performance condition was notprobable of achievement and therefore, recognition of compensation cost had been deferred until the occurrence of a liquidity event, as defined. The liquidity eventoccurred upon the closing of the Company’s IPO on March 25, 2014. Accordingly, the Company recognized $0.1 million of compensation expense on March 25,2014 related to the restricted stock awards with a requisite service period that was complete upon grant. Compensation expense related to the remainder of therestricted stock awards is being recognized over the associated requisite service period commencing on March 25, 2014. The Company recorded approximately$0.9 million of stock-based compensation expense related to restricted stock during 2015. A summary of the Company’s restricted stock activity is as follows: Shares Weighted-Average GrantDate Fair Value Unvested balance, December 31, 2014 422,145 $8.39 Granted - Vested (169,376) $8.87 Forfeited (36,053) $8.93 Outstanding, December 31, 2015 216,716 $7.97 91 As of December 31, 2015, there was approximately $0.4 million of unrecognized compensation cost related to the restricted stock awards granted on December 23,2013 with a performance condition. The recognition of the compensation cost for these awards did not begin until the closing of the IPO on March 25, 2014. Theunrecognized compensation cost is expected to be recognized over a weighted average period of 1.08 years.Common Stock AwardsIn connection with the termination of a former employee in September 2013, the Company granted the former employee stock awards totaling 70,964 shares inSeptember 2013 and 105,753 shares in December 2013 of Common Stock, at a fair value of $3.77 per share and $7.42 per share, respectively. The fair value of theawards are based on the estimated fair value of the Company’s Common Stock at the date of grant. Accordingly, compensation cost was recognized in full on thedate of grant. The associated common shares immediately vested, and were not subject to any other restriction. Accordingly, the compensation cost wasrecognized in full on the date of grant. Total compensation cost of approximately $1.1 million was recognized during the year ended December 31, 2013 related tothese awards.Restricted Stock UnitsOn March 6, 2015, the Company issued 27,875 RSUs to employees. The RSUs vest 100% on the three year anniversary. Total stock-compensation expense to berecognized over the life of the RSUs is $0.3 million and will be recognized on a straight-line basis over the vesting period. The Company recorded approximately$62,000 of stock-based compensation expense related to the RSUs during 2015. Shares Weighted-Average GrantDate Fair Value Unvested balance, December 31, 2014 - $- Granted 27,875 $11.15 Vested - $- Forfeited (3,450) $11.15 Outstanding, December 31, 2015 24,425 $11.15 As of December 31, 2015, there was approximately $0.2 million of unrecognized compensation cost related to restricted stock units, which is expected to berecognized over a weighted average period of 2.18 years.ESPP T he first offering period under the ESPP opened on January 2, 2015. The Company issued 25,903 shares during the year ended December 31, 2015. TheCompany recorded approximately $83,000 of stock-based compensation expense related to ESPP during 2015. Compensation Expense Summary The Company has recognized the following compensation cost related to share-based awards: Year ended December 31, 2015 2014 (in thousands) Research and development $2,079 $2,766 General and administrative 2,635 3,244 Total $4,714 $6,010 92 Compensation expense by type of award: Year ended December 31, 2015 2014 (in thousands) Stock options $3,660 $1,925 Restricted stock 909 4,085 Restricted stock units 62 — Employee stock purchase plan 83 — Total $4,714 $6,010 Included in the compensation expense for the year ended December 31, 2014, is approximately $1.0 million related to the modification of awards in connectionwith an employee separation agreement in the first quarter of 2014. 7. Income TaxesThe Company’s income tax provision was computed based on the federal statutory rate and the average state statutory rates, net of the related federalbenefit. There was no current or deferred income tax expense or benefit for the years ended December 31, 2015 and 2014, due to the Company’s net losses andincreases in its deferred tax asset valuation allowance. Following is a reconciliation of the statutory federal income rate to the Company’s effective tax rate: Year ended December 31, 2015 2014 Federal tax at statutory rate 34.0% 34.0%State and local tax at statutory rate 3.0 5.5 Research and development tax credits 0.4 (0.6)Equity compensation (0.6) (1.6)Other permanent differences and credits — (0.1)Change in valuation allowance (36.8) (37.2)Effective tax rate 0.0% 0.0% The Company’s income tax provision was computed based on the federal statutory rate and the average state statutory rates, net of the related federal benefit.93 Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes andthe amounts used for income tax purposes. When realization of the deferred tax asset is more likely than not to occur, the benefit related to the deductibletemporary differences attri butable to operations is recognized as a reduction of income tax expense. Valuation allowances are provided against deferred tax assetswhen, based on all available evidence, it is considered more likely than not that some portion or all of the recorded d eferred tax assets will not be realized in futureperiods. The Company cannot be certain that future taxable income will be sufficient to realize its deferred tax assets, and accordingly a full valuation allowancehas been provided on its deferred tax ass ets. The Company continues to maintain the underlying tax benefits to offset future taxable income and to monitor theneed for a valuation allowance based on the profitability of its future operations. The valuation allowance increased by approximately $ 22.3 million and $13.8million, during the years ended December 31, 2015 and 2014, respectively, primarily as a result of increases in unbenefited deferred tax assets such as tax lossesand stock-based compensation. Significant components of the Company’s deferred tax assets and liabilities are as follows: December 31, 2015 2014 (in thousands) Deferred tax assets: Accrued expenses $912 $559 Intangible assets 527 $603 Restricted stock 301 $436 Fixed assets — $2 Non-qualified stock options (1) 1,558 $440 Research and development credits 1,829 $1,589 Net operating loss carryforward 51,356 $30,559 Other 64 $39 Total deferred tax assets 56,547 $34,227 Less valuation allowance (56,545) (34,227)Total deferred tax assets, net of valuation allowance 2 — Deferred tax liabilities: Fixed assets (2) — Restricted stock — — Total deferred tax liabilities (2) — Net deferred tax asset $— $— (1)This amount was reclassified from “other” in 2014 for comparability.At December 31, 2015 and December 31, 2014, the Company has approximately $1.0 million (after amortization of $0.9 million) and $1.2 million (afteramortization of $0.8 million), respectively, of start-up expenses capitalized for income tax purposes with amortization available to offset future federal, state andlocal income tax. At December 31, 2015 and 2014, the Company has approximately $140.5 million and $84.2 million, respectively, of federal net operating loss(NOL) carry-forwards. Additionally, at December 31, 2015 and 2014, the Company has approximately $111.9 million and $83.7 million, respectively, of state netoperating loss (NOL) carry-forwards which expire through 2035. Included in the 2015 and 2014 NOLs are approximately $0.9 million of tax deductions related toequity compensation in excess of book compensation expense. Pursuant to the realization requirements in ASC 718, these tax deductions are not included in theNOL deferred tax asset above. The Company also has approximately $2.0 million of federal and state research and development tax credit carry-forwards. TheNOL and research and development tax credit carry-forwards begin to expire in 2027 through 2035, and will be utilized for tax purposes at such time the Companygenerates taxable income. The NOL and research and development tax credit carry-forwards may be limited in certain circumstances, including ownershipchanges.Under the provisions of the Internal Revenue Code, the net operating loss and tax credit carry-forwards are subject to review and possible adjustment by theInternal Revenue Service and state tax authorities. Net operating loss and tax credit carryforwards may become subject to an annual limitation in the event ofcertain cumulative changes in the ownership interest of significant shareholders over a three-year period in excess of 50%, as defined under Sections 382 and 383of the Internal Revenue Code, respectively, as well as similar state provisions. This could limit the amount of tax attributes that can be utilized annually to offsetfuture taxable income or tax liabilities. The amount of the annual limitation is determined based on the value of the Company immediately prior to the ownershipchange. Subsequent ownership changes may further affect the limitation in future years. The Company has completed several financings since its inception, whichmay have resulted in a change in control as defined by Sections 382 and 383 of the Internal Revenue Code, or could result in a change in control in the future. TheCompany has not yet analyzed whether there has been a change in control.94 For applicable years, the Company generated research credits but has not conducted a study to document its qualified activities. This study may result in anadjustment to the Company’s research and development credit carryforwards; however, until a study is c ompleted and any adjustment is known, no amounts arebeing presented as an uncertain tax position. A full valuation allowance has been provided against the Company’s research and development credits and, if anadjustment is required, this adjustment would be offset by an adjustment to the deferred tax asset established for the research and development credit carry-forwards and the valuation allowance.The Company will recognize interest and penalties related to uncertain tax positions in income tax expense. As of December 31, 2015, 2014 and 2013, theCompany had no accrued uncertain tax positions or associated interest or penalties and no amounts have been recognized in the Company’s consolidated statementsof operations.The Company files income tax returns in the U.S. federal jurisdiction, and various state jurisdictions. The Company’s 2012 through 2014 tax years remain openand subject to examination by federal and state taxing authorities. However, federal and state net operating losses from 2008 through 2014 are subject to review bytaxing authorities in the year utilized. 8. Commitments and ContingenciesIn December 2013, the Company entered into a three-year lease for 6,837 square feet of office space in Cambridge, Massachusetts. The lease has monthly leasepayments of approximately $31,000 for the first twelve months, with annual rent escalation thereafter, and provides a rent abatement of approximately $31,000 forthe first full calendar month of the lease term. The lease term commenced and rental payments began in January 2014. The Company recorded a deferred leaseobligation in 2014 which represents the cumulative difference between actual facility lease payments and lease expense recognized ratably over the lease period,which is included in other liabilities. In accordance with the lease, the Company entered into a cash-collateralized irrevocable standby letter of credit in the amountof $125,345, naming the landlord as beneficiary. In December 2014, the Company entered into a First Amendment to Lease, or the Amendment, for additional office space contiguous to its current office space inCambridge, Massachusetts. The Amendment included leasing an additional 8,530 square feet of office space, or the Expansion Space, with an occupancy date ofMarch 13, 2015. The Amendment provided for additional monthly lease payments of approximately $45,000 for the 8,530 square feet for the first twelve monthsand provided for annual rent escalations thereafter. The monthly rent on the existing 6,837 square feet remained at approximately $32,000 through December 31,2016, the expiration of the lease. The Amendment included a Landlord’s contribution for leasehold improvements in the amount of approximately $100,000 whichwas accounted for as a deferred lease incentive and reduction in monthly rent expense over the term of the lease. The Company recorded an additional deferredlease obligation for the Expansion Space which represented the cumulative difference between actual facility lease payments and lease expense recognized ratablyover the lease period. The Company had an existing cash-collateralized irrevocable standby letter of credit of $125,345, naming the landlord as beneficiary. Inconnection with the Amendment, the Company paid an additional cash security deposit to the landlord of $179,130. These amounts are included in other assets.In November 2015, the Company entered into a Second Amendment to Lease amending the Lease to extend its existing lease for 16,222 square feet on the 11 thfloor, which was due to expire on December 31, 2016, and lease an additional 23,189 square feet of office space on the 11 th and 14 th floors. Monthly leasepayments for the existing 16,222 square feet on the 11 th floor remain unchanged until December 31, 2016 and will be approximately $107,000 per monthcommencing on May 1, 2017. The new space leased by the Company under the Second Amendment includes (i) 3,066 square feet on the 14 th floor which wasdelivered on November 23, 2015 and additional monthly lease payments of approximately $20,000 commencing on March 1, 2016, (ii) 16,739 square feet on the14 th floor with an estimated delivery date of April 1, 2016 and additional monthly lease payments of approximately $110,000 commencing September 1, 2016 and(iii) 3,384 square feet on the 1th floor with an estimated delivery date of January 1, 2017 and additional monthly lease payments of approximately $23,000commencing May 1, 2017. The above rents are subject to annual rent escalations, commencing on either February 1, 2017 or February 1, 2018 depending upon thedelivery date of each respective suite. The Second Amendment includes a Landlord’s contribution for leasehold improvements for both the new leased space andthe Company’s existing premises. The Landlord’s contribution will be accounted for as a deferred lease incentive and reduction in monthly rent expense over theterm of the lease. In connection with the Second Amendment, the Company paid an additional cash security deposit to the Landlord of $976,382. The term of thelease, as amended, expires on the later of August 31, 2026 or 10 years after the Landlord delivers the entirety of the 14 th floor to the Company. In connection withthe Second Amendment, the Company paid an additional cash security deposit to the landlord of $976,382. Total cash security deposits of $1,280,857 and$304,475 are included in other assets in the Company’s consolidated balance sheets as of December 31, 2015 and 2014, respectively.The Company leases office equipment under a two three year capital leases with payments commencing in February 2014 and April 2015, respectively. The capitallease amounts are included in accrued expenses and other liabilities.95 At December 31, 2015, the Company’s future minimum payments required under these leases are as follows: Operating Capital Lease Lease Total (in thousands) 2016 $2,522 $8 $2,530 2017 3,122 5 3,127 2018 3,122 1 3,123 2019 3,122 — 3,122 2020 3,122 — 3,122 Thereafter 17,687 — 17,687 Total $32,697 14 $32,711 Less amount representing interest — Present value of minimum lease payments at December 31, 2015 $14 The Company recorded approximately $0.9 million and $0.4 million in rent expense for the years ended December 31, 2015 and 2014 respectively. Under the Company’s agreement with Quintiles to conduct the PRO 2 TECT and INNO 2 VATE programs, the total cost of committed work not yet paid as ofDecember 31, 2015 was approximately $246.0 million. The estimated period of performance for the committed work with Quintiles is through the third quarter of2019. The Company contracts with various other organizations to conduct research and development activities with remaining contract costs to the Company ofapproximately $5.2 million and $4.3 million at December 31, 2015 and December 31, 2014, respectively. The scope of the services under the research anddevelopment contracts can be modified and the contracts cancelled by the Company upon written notice. In some instances the contracts may be cancelled by thethird party upon written notice. In September 2015, a purported securities class action lawsuit was filed against the Company, including its Chief Executive Officer, its Chief Financial Officer, andmembers of its Board of Directors, in the Business Litigation Section of the Suffolk County Superior Court of Massachusetts. The complaint is brought on behalfof an alleged class of those who purchased common stock of the Company pursuant or traceable to our initial public offering, and purports to allege claims arisingunder Sections 11, 12(a)(2) and 15 of the Securities Act of 1933, as amended (the “Securities Act”). The complaint generally alleges that the defendants violatedthe federal securities laws by, among other things, making material misstatements or omissions concerning the Phase 2b clinical study of vadadustat. Thecomplaint seeks, among other relief, unspecified compensatory damages, rescission of certain stock purchases, attorneys’ fees, and costs. In October 2015, weremoved the case to the United States District Court for the District of Massachusetts, and the plaintiff filed a motion to remand the case back to the BusinessLitigation Section of the Suffolk County Superior Court of Massachusetts. The plaintiff’s motion to remand is currently pending. The Company believes suchclaims are without merit, and will engage in a vigorous defense of such litigation. As explained in more detail below, we have had some positive developments in our opposition and invalidity proceedings against FibroGen, Inc., or FibroGen. With regard to the opposition that we filed in Europe against FibroGen’s European Patent No. 1463823, or the ’823 patent, the European Opposition Divisionissued a non-binding preliminary opinion that none of FibroGen’s ’823 patent claims meet the requirements for patentability. In an oral proceeding which tookplace March 8 and 9, 2016, the European Opposition Division confirmed that the patent as granted did not meet the requirements for patentability under theEuropean Patent Convention and, therefore, revoked the patent in its entirety. Likewise, with regard to the invalidity proceeding that we filed in Japan againstcertain claims of FibroGen’s Japanese Patent No. 4804131, or the ’131 patent, which is the Japanese counterpart to the ’823 patent, the JPO issued a preliminarydecision finding all of the challenged claims to be invalid. FibroGen subsequently amended the claims and the JPO accepted the amendments. The resultingFibroGen ’ 131 patent does not cover vadadustat or any pyridine carboxamide compounds. To date, FibroGen has been unsuccessful in its attempts to obtain apatent in the United States covering the same claim scope as it obtained in Europe and Japan in the ’823 and ’131 patents. In the event FibroGen were to obtainsuch patents in the United States, we may decide to challenge them like we have done in Europe and Japan. On May 13, May 20, and July 6, 2015, we also filedoppositions to FibroGen’s European Patent Nos. 2322153, 2322155, and 1633333 respectively, requesting the patents be revoked in their entirety. In June 2013, the European Patent Office granted the ’823 patent, to FibroGen. The ’823 patent claims, among other things, the use of a heterocyclic carboxamidecompound selected from the group consisting of pyridine carboxamides, quinoline carboxamides, isoquinoline carboxamides, cinnoline carboxamides, and beta-carboline carboxamides that inhibits HIF-PH enzyme activity in the manufacture of a medicament for increasing endogenous EPO in the prevention, pretreatmentor treatment of anemia. On December 5,96 2013, we filed an opposition to the ’82 3 patent requesting that the ’823 patent be revoked in its entirety. The European Opposition Division scheduled oralproceedings for March 8, 2016 and also issued a non-binding preliminary opinion that none of the ’823 patent’s claims met the requirements for patentability. Inan oral proceeding which took place March 8 and 9, 2016, the European Opposition Division confirmed that the patent as granted did not meet the requirements forpatentability under the European Patent Convention and, therefore, revok ed the patent in its entirety. If FibroGen appeals the decision of the European OppositionDivision, final resolution of the appeal will likely take two to three years. While, for the reasons set forth in our opposition, we maintain that the ’823 patent shouldbe revoked in its entirety, the ultimate outcome of any appeal remains uncertain. If FibroGen appeals the decision of the European Opposition Division and theTechnical Board of Appeal at the European Patent Office decides not to revoke the ’823 pat ent in its entirety, or only certain claims of the ’823 patent and anysurviving claims are determined to encompass our intended use of vadadustat, we may not be able to commercialize vadadustat in the European Union for itsintended use, which could mater ially adversely affect our business, operating results and financial condition. In August 2011, the Japanese Patent Office granted the ’131 patent, to FibroGen. The ’131 patent claims, among other things, the use of certain heterocycliccarboxamides selected from the group consisting of pyridine carboxamides, quinoline carboxamides, and isoquinoline carboxamides to treat anemia, wherein theheterocyclic carboxamides also suppress HIF prolyl hydroxylase. On June 2, 2014, we filed an invalidity proceeding in the Japanese Patent Office challenging thevalidity of the ’131 patent and requesting that certain claims be revoked in their entirety. An oral hearing before the Japanese Patent Office was held on February9, 2015, and on May 11, 2015 the Japanese Patent Office issued a preliminary decision finding all of the challenged claims to be invalid. In response, FibroGenfiled a request for correction in which it requested that the ’ 131 patent claims be amended to exclude pyridine carboxamides from their scope. On November 18,2015 , Akebia received the final trial decision from the JPO in which it accepted FibroGen’s requested claim amendments. As a result of the JPO’s decision andFibroGen’s subsequent amendments, the FibroGen ’ 131 patent does not cover vadadustat or any pyridine carboxamide compounds .In August 2014, the European Patent Office granted European Patent Nos. 2322153, 2322155, and 1633333, or the ’153 patent, the ’155 patent, and the ’333patent, respectively, to FibroGen. These related patents claim, among other things, various compounds that either stabilize HIFα or inhibit a HIF hydroxylase or aHIF prolyl hydroxylase for treating or preventing various conditions, including, inter alia , iron deficiency, microcytosis associated with iron deficiency, anemia ofchronic disease, anemia wherein the subject has a transferrin saturation of less than 20%, anemia refractory to treatment with exogenously administered EPO, andmicrocytosis in microcytic anemia. On May 13, May 20, and July 6, 2015, we filed oppositions to the ’155 patent, the ’333 patent, and the ’153 patent,respectively, requesting that the patents be revoked in their entireties. While, for the reasons set forth in our oppositions, we believe that the ’153 patent, the ’155patent, and the ’333 patent should be revoked in their entireties, the ultimate outcomes of the oppositions remains uncertain. If the European Patent Office decidesnot to revoke the ’153 patent, the ’155 patent, or the ’333 patent in their entireties, or only certain claims of those patents, and any surviving claims are determinedto encompass our intended use of our lead product candidate, we may not be able to commercialize our lead product candidate in the European Union for itsintended use, which could materially adversely affect our business, operating results and financial condition. The Company is not able to predict the outcome of the lawsuit described above or estimate the amount or range of any possible loss the Company might incur if theCompany does not prevail in the final, non-appealable determination of this lawsuit. Therefore, we have not accrued any amounts in connection with this lawsuit. 9. Employee Retirement PlanDuring 2008, the Company established a retirement plan (the Plan) authorized by Section 401(k) of the Internal Revenue Code. In accordance with the Plan, allemployees who have attained the age of 21 are eligible to participate in the Plan as of the first Entry Date, as defined, following their date of employment. Eachemployee can contribute a percentage of compensation up to a maximum of the statutory limits per year. Company contributions are discretionary and contributionsin the amount of approximately $0.1 million and $0 were made during the year ended December 31, 2015 and 2014, respectively. 97 10. Net Loss per ShareThe following table presents the calculation of basic and diluted net loss per share applicable to common stockholders: Year ended December 31, 2015 2014 (in thousands, except share and pershare data) Numerator: Net loss $(60,716) $(37,034)Accretion on preferred stock — (86,899)Net loss applicable to common stockholders $(60,716) $(123,933) Denominator: Weighted-average number of common shares – basic and diluted 26,469,170 15,406,386 Net loss per share applicable to common stockholders – basic and diluted $(2.29) $(8.04) The amounts in the table below were excluded from the calculation of diluted net loss per share, prior to the use of the treasury stock method, due to their anti-dilutive effect: Year ended December 31, 2015 2014 Outstanding stock options 2,206,635 1,526,346 Unvested restricted stock 216,716 422,145 Unvested restricted stock units 24,425 — Total 2,447,776 1,948,491 11. Quarterly Results (unaudited) Three Months Ended March 31, June 30, September 30, December 31, 2015 2015 2015 2015 (in thousands, except per share data) (unaudited) Operating expenses $10,896 $10,889 $19,678 $20,050 Loss from operations $(10,896) $(10,889) $(19,678) $(20,050)Other income (expense), net $201 $200 $203 $193 Net loss $(10,695) $(10,689) $(19,475) $(19,857)Net loss per share applicable to common stockholders—basic and diluted $(0.53) $(0.40) $(0.68) $(0.66) Three Months Ended March 31, June 30, September 30, December 31, 2014 2014 2014 2014 (in thousands, except per share data) (unaudited) Operating expenses $9,909 $7,840 $9,584 $10,607 Loss from operations $(9,909) $(7,840) $(9,584) $(10,607)Other income (expense), net $212 $222 $236 $237 Net loss $(9,697) $(7,618) $(9,348) $(10,370)Net loss per share applicable to common stockholders—basic and diluted $(43.37) $(0.39) $(0.47) $(0.52) 98 12. Subsequent Event In January 2016, in connection with the Company’s Collaboration Agreement which was signed with Mitsubishi Tanabe in December 2015, the Company receiveda $40.0 million up-front payment. The $40.0 million up-front payment was contingent upon the Company providing certain tax documentation to Mitsubishi whichwas completed in January 2016. The Company therefore did not have a contractual right to bill until the tax documents were provided in January 2016. Of the$40.0 million received, $20.0 million is subject to refund to Mitsubishi depending on the outcome of discussions with the Japanese regulator about the global trialdesign. 99 Ite m 9.Chang es in and Disagreements with Accountants on Accounting and Financial Disclosure None. It em 9A.Controls and ProceduresControls and ProceduresManagement’s Annual Report on Internal Control over Financial ReportingOur management, with the participation of our Chief Executive Officer and Chief Financial Officer, is responsible for establishing and maintaining adequateinternal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act). Because of its inherent limitations, internal control over financialreporting may not prevent or detect misstatements. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may becomeinadequate because of changes in conditions, or that the degree of compliance with the policy or procedures may deteriorate. Management conducted an assessmentof the effectiveness of our internal control over financial reporting based on the criteria set forth in Internal Control - Integrated Framework issued by theCommittee of Sponsoring Organizations of the Treadway Commission (2013 framework). Based on the assessment, management has concluded that its internalcontrol over financial reporting was effective as of December 31, 2015 to provide reasonable assurance regarding the reliability of financial reporting and thepreparation of financial statements in accordance with U.S. GAAP.Management’s Evaluation of our Disclosure Controls and ProceduresWe maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in the reports that we file or submit under theSecurities Exchange Act of 1934 is (1) recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms and(2) accumulated and communicated to our management, including our principal executive officer and principal financial officer, to allow timely decisionsregarding required disclosure.As of December 31, 2015, our management, with the participation of our principal executive officer and principal financial officer, evaluated the effectiveness ofour disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934). Our management recognizes thatany controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives, and managementnecessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Our principal executive officer and principalfinancial officer have concluded based upon the evaluation described above that, as of December 31, 2015, our disclosure controls and procedures were effective atthe reasonable assurance level.Changes in Internal Control over Financial ReportingDuring the quarter ended December 31, 2015, there have been no changes in our internal control over financial reporting, as such term is defined in Rules 13a-15(f)and 15(d)-15(f) promulgated under the Securities Exchange Act of 1934, that have materially affected, or are reasonably likely to materially affect, our internalcontrol over financial reporting. Ite m 9B.Other InformationOther InformationThe following disclosure is provided in accordance with and in satisfaction of the requirements of Item 2.02 “ Results of Operations and Financial Condition ” ofForm 8-K:On March 14, 2016, Akebia announced its financial results for the quarter ended December 31, 2015 and commented on certain corporate accomplishments andplans. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 hereto.The information furnished in Item 9B (including Exhibit 99.1) shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject tothe liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act,except as expressly set forth by specific reference in such a filing. 100 PA RT III Certain information required by Part III is omitted from this Annual Report on Form 10-K and is incorporated herein by reference from our definitive proxystatement relating to our 2016 Annual Meeting of Stockholders (the “Definitive Proxy Statement”), which we expect to file with the SEC no later than April 30,2016.Ite m 10.Director, Executive Officers and Corporate GovernanceJohn P. Butler joined Akebia as director in July 2013 and was appointed as the President and Chief Executive Officer of Akebia in August 2013. Prior to joiningAkebia, from 2011 until 2013, Mr. Butler served as the Chief Executive Officer of Inspiration Biopharmaceuticals, Inc., a company focused on developing productsfor patients with hemophilia. Mr. Butler led the transactions that resulted in the sale of hemophilia assets to Cangene Corporation and Baxter International in early2013 for total aggregate consideration that could exceed $1 billion. From 1997 to 2011, Mr. Butler held various positions at Genzyme Corporation, abiopharmaceutical company, most recently serving as President of the company’s rare genetic diseases business. From 2002 until 2010, Mr. Butler led Genzyme’srenal division. Prior to his work at Genzyme, Mr. Butler held sales and marketing positions at Amgen and Hoffmann-La Roche. Mr. Butler currently serves as amember of the Board of Trustees for the American Kidney Fund and a member of the board of directors of Relypsa, Inc. and Keryx Biopharmaceuticals, Inc. Mr.Butler received a B.A. in Chemistry from Manhattan College and an M.B.A. degree from Baruch College, City University of New York. We believe that Mr.Butler is qualified to serve on our board of directors due to his industry experience in the biotechnology sector, particularly his experience working in the renaldisease market.Jason A. Amello joined Akebia as Senior Vice President, Chief Financial Officer and Treasurer in 2013. Prior to joining Akebia, Mr. Amello served as ExecutiveVice President, Chief Financial Officer and Treasurer of ZIOPHARM Oncology, Inc., a biopharmaceutical company, from 2012 to 2013. From 2000 to 2011, Mr.Amello held various positions at Genzyme Corporation, most recently as Senior Vice President, Corporate Controller and Chief Accounting Officer, and led theStrategic Financial Services group through which he served as a key advisor on all of Genzyme’s M&A and strategic transactions. Earlier in his career, Mr. Amellospent 10 years in the business advisory and assurance practice of Deloitte, serving in various roles of increasing responsibility through senior manager. Mr. Amellocurrently serves on the Board of Directors of the New England Baptist Hospital and is a member of the Quality of Care Committee and the Finance and InvestmentCommittee. Mr. Amello holds a B.A. from Boston College and is a Certified Public Accountant in the Commonwealth of Massachusetts.Brad Maroni, M.D. joined Akebia as Senior Vice President and Chief Medical Officer in August 2014. Dr. Maroni most recently served as Vice President, MedicalResearch at Biogen Idec. Prior to that role, Dr. Maroni served as Chief Medical Officer of Stromedix, Inc. until the company was acquired by Biogen Idec in 2012.His previous experience also includes serving as Executive Vice President and Chief Medical Officer at RenaMed Biologics, as well as multiple roles at AmgenInc., including Vice President, Clinical Development and Anemia/Nephrology Therapeutic Area Head. At Amgen, Dr. Maroni led the cross-functional teamresponsible for the registration program and global regulatory approval of Aranes p ® , a novel long-acting recombinant erythropoietic protein, indicated for thetreatment of anemia in chronic kidney disease. During his tenure, Amgen also received approval for Sensipa r ® , a first-in-class small molecule for the treatment ofbone disease in dialysis patients. Dr. Maroni trained as a nephrologist at Brigham and Women’s Hospital in Boston, Massachusetts, after which he spent 10 years inacademia at Emory University.Nicole R. Hadas joined Akebia in 2013 and is Senior Vice Presiden t , General Counsel and Secretary. Prior to joining Akebia, Ms. Hadas was Vice President andGeneral Counsel at OvaScience, Inc., a biopharmaceutical company, in 2013. Ms. Hadas served as the Senior Vice President and General Counsel at InspirationBiopharmaceuticals, Inc., where she managed the successful sale of its hemophilia assets to Cangene Corporation and Baxter International in early 2013. From2001 to 2011, Ms. Hadas worked at Genzyme Corporatio n , most recently as Senior Corporate Counsel. Prior to Genzyme, she was an associate at Foley Hoagrepresenting biopharmaceutical companies and healthcare providers in a wide variety of matters. Ms. Hadas received a B.A. from the University of Michigan and aJ.D. from Boston College Law School.Michel Dahan joined Akebia in 2013 and is the Senior Vice President, Chief Business Officer. Prior to joining Akebia, from 2010 to 2013, Mr. Dahan held variouspositions at Inspiration Biopharmaceuticals, Inc., most recently as Vice President, Commercial Development and Strategic Planning, and led the global marketingand commercial development in preparation for two global launches. Prior to that, from 2003 to 2010, Mr. Dahan served in various roles for Ipsen, most recently asSenior Director, Strategic Planning, working on global marketing and strategic planning for their hemophilia franchise. He began his career at BNP Paribas in 2002as an analyst on the Business Valuation Team working on mergers and acquisitions and investment banking. He earned his graduate degree in businessadministration at HEC Paris (France), his maitrise in mathematics from University Paris VI (France), and his executive education program (PLD) at HarvardBusiness School.101 The remaining information required by this Item 10 will be contained in the Definitive Proxy Statement and is incorporated herein by reference.It em 11.Executive CompensationThe information required by this Item 11 will be contained in the Definitive Proxy Statement and is incorporated herein by reference.It em 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder MattersThe information required by this Item 12 will be contained in the Definitive Proxy Statement and is incorporated herein by reference.Ite m 13.Certain Relationships and Related Person Transactions, and Director IndependenceThe information required by this Item 13 will be contained in the Definitive Proxy Statement and is incorporated herein by reference.Ite m 14.Principal Accountant Fees and ServicesThe information required by this Item 14 will be contained in the Definitive Proxy Statement and is incorporated herein by reference. 102 P ART IV It em 15.Exhibits and Financial Statement Schedules Exhibits and Financial Statement Schedules (a)Documents filed as part of Form 10-K. (1)Financial StatementsReport of Independent Registered Public Accounting FirmConsolidated Balance SheetsConsolidated Statements of Operations and Comprehensive LossConsolidated Statements of Stockholders’ Equity (Deficit)Consolidated Statements of Cash FlowsNotes to Consolidated Financial Statements (2)SchedulesSchedules have been omitted as all required information has been disclosed in the financial statements and related footnotes. (3)ExhibitsThe Exhibits listed in the Exhibit Index are filed as a part of this Form 10-K. 103 SI GNATURESPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersignedthereunto duly authorized. AKEBIA THERAPEUTICS, INC. Date: March 14, 2016 By: /s/ John P. Butler John P. Butler Chief Executive Officer and President (Principal ExecutiveOfficer) Date: March 14, 2016 By: /s/ Jason A. Amello Jason A. Amello Senior Vice President, Chief Financial Officer and Treasurer(Principal Financial and Accounting Officer) Date: March 14, 2016 By: /s/ Muneer Satter Muneer Satter Chairman Date: March 14, 2016 By: /s/ Anupam Dalal Anupam Dalal Director Date: March 14, 2016 By: /s/ Duane Nash Duane Nash Director Date: March 14, 2016 By: /s/ Michael Wyzga Michael Wyzga Director Date: March 14, 2016 By: /s/ Maxine Gowen Maxine Gowen Director Date: March 14, 2016 By: /s/ Michael Clayman Michael Clayman Director Date: March 14, 2016 By: /s/ Ronald Renaud Ronald Renaud Director 104 EXHIBIT INDEX Exhibit Number Description of Exhibit 3.1 Ninth Amended and Restated Certificate of Incorporation (incorporated by reference to exhibit 3.1 to the Company’s Current Report on Form 8-K, filed onMarch 28, 2014) 3.2 Amended and Restated Bylaws (incorporated by reference to exhibit 3.2 to the Company’s Current Report on Form 8-K, filed on March 28, 2014) 4.1 Form of Common Stock Certificate (incorporated by reference to exhibit 4.1 to the Company’s Registration Statement on Form S-1/A (333-193969), filed onMarch 4, 2014) 4.2 Third Amended and Restated Voting Agreement, dated May 10, 2013 (incorporated by reference to exhibit 4.2 to the Company’s Registration Statement onForm S-1 (333-193969), filed on February 14, 2014) 4.3 Amendment No. 1 to the Third Amended and Restated Voting Agreement, dated May 31, 2013 (incorporated by reference to exhibit 4.3 to the Company’sRegistration Statement on Form S-1 (333-193969), filed on February 14, 2014) 4.4 Fourth Amended and Restated Investors’ Rights Agreement, dated March 5, 2014 (incorporated by reference to exhibit 4.4 to the Company’s 10-K for the yearending December 31, 2014 and filed on March 4, 2015) 10.1 Form of Director and Officer Indemnification Agreement (incorporated by reference to exhibit 10.1 to the Company’s Registration Statement on Form S-1/A(333-193969), filed on March 4, 2014) 10.2 Office Lease Agreement Between MA-Riverview/245 First Street, L.L.C. and Akebia Therapeutics, Inc., dated December 3, 2013 (incorporated by reference toexhibit 10.2 to the Company’s Registration Statement on Form S-1 (333-193969), filed on February 14, 2014) 10.3 First Amendment to Office Lease Agreement Between Jamestown Premier 245 First, LLC and Akebia Therapeutics, Inc., dated December 15, 2014(incorporated by reference to exhibit 10.3 to the Company’s 10-K for the year ending December 31, 2014 and filed on March 4, 2015) 10.4* Second Amendment to Office Lease Agreement Between Jamestown Premier 245 First, LLC and Akebia Therapeutics, Inc., dated November 23, 2015 10.5 Amended and Restated Administrative Services Agreement, between Akebia Therapeutics, Inc. and Aerpio Therapeutics, Inc., dated August 27, 2012(incorporated by reference to exhibit 10.3 to the Company’s Registration Statement on Form S-1 (333-193969), filed on February 14, 2014) 10.6 Administrative Services Agreement, between Akebia Therapeutics, Inc. and Aerpio Therapeutics, Inc., dated November 1, 2012 (incorporated by reference toexhibit 10.4 to the Company’s Registration Statement on Form S-1 (333-193969), filed on February 14, 2014) 10.7† Amended and Restated 2008 Equity Incentive Plan (incorporated by reference to exhibit 10.5 to the Company’s Registration Statement on Form S-1 (333-193969), filed on February 14, 2014) 10.8† Amendment No. 1 to Amended and Restated 2008 Equity Incentive Plan (incorporated by reference to exhibit 10.6 to the Company’s Registration Statement onForm S-1 (333-193969), filed on February 14, 2014) 10.9† Executive Employment Agreement with John P. Butler, dated September 16, 2013 (incorporated by reference to exhibit 10.7 to the Company’s RegistrationStatement on Form S-1 (333-193969), filed on February 14, 2014) 10.10† Executive Employment Agreement with Jason A. Amello, dated September 23, 2013 (incorporated by reference to exhibit 10.8 to the Company’s RegistrationStatement on Form S-1 (333-193969), filed on February 14, 2014) 10.11† Offer Letter to Nicole R. Hadas, dated November 13, 2013 (incorporated by reference to exhibit 10.9 to the Company’s Registration Statement on Form S-1(333-193969), filed on February 14, 2014) 10.12† Executive Employment Agreement with Dr. Robert Shalwitz, dated April 6, 2011 (incorporated by reference to exhibit 10.10 to the Company’s RegistrationStatement on Form S-1 (333-193969), filed on February 14, 2014) 10.13† Separation Agreement with Dr. Robert Shalwitz, dated August 5, 2014 (incorporated by reference to exhibit 10.1 to the Company’s Quarterly Report on Form10-Q, filed on November 10, 2014)105 Exhibit Number Description of Exhibit 10.14† Consulting Agreement with Dr. Robert Shalwitz, dated August 5, 2014 (incorporated by reference to exhibit 10.2 to the Company’s Quarterly Report on Form10-Q, filed on November 10, 2014) 10.15† Amended and Restated Partial Recourse Promissory Note, dated May 9, 2013, with Robert Shalwitz (incorporated by reference to exhibit 10.20 to theCompany’s Registration Statement on Form S-1 (333-193969), filed on February 14, 2014) 10.16† Amended and Restated Partial Recourse Promissory Note, dated June 15, 2013, with Robert Shalwitz (incorporated by reference to exhibit 10.21 to theCompany’s Registration Statement on Form S-1 (333-193969), filed on February 14, 2014) 10.17† Forgiveness and Release Agreement with Robert Shalwitz, dated January 30, 2014, (incorporated by reference to exhibit 10.22 to the Company’s RegistrationStatement on Form S-1 (333-193969), filed on February 14, 2014) 10.18† Offer Letter with Bradley Maroni, M.D., dated July 21, 2014 (incorporated by reference to exhibit 10.17 to the Company’s 10-K for the year ending December31, 2014 and filed on March 4, 2015) 10.19† Form of Non-Statutory Stock Option Agreement for officers (incorporated by reference to exhibit 10.24 to the Company’s Registration Statement on Form S-1/A(333-193969), filed on March 4, 2014) 10.20† Form of Non-Statutory Stock Option Agreement for non-employee directors (incorporated by reference to exhibit 10.25 to the Company’s RegistrationStatement on Form S-1/A (333-193969), filed on March 4, 2014) 10.21† Non-Employee Director Compensation Program (incorporated by reference to exhibit 10.26 to the Company’s Registration Statement on Form S-1/A (333-193969), filed on March 4, 2014) 10.22† Form of Executive Severance Agreement for officers (incorporated by reference to exhibit 10.27 to the Company’s Registration Statement on Form S-1/A (333-193969), filed on March 4, 2014) 10.23† 2014 Incentive Plan (incorporated by reference to exhibit 10.29 to the Company’s Registration Statement on Form S-1/A (333-193969), filed on March 4, 2014) 10.24† 2014 Employee Stock Purchase Plan (incorporated by reference to exhibit 10.30 to the Company’s Registration Statement on Form S-1/A (333-193969), filed onMarch 4, 2014) 10.25† Cash Incentive Plan (incorporated by reference to exhibit 10.31 to the Company’s Registration Statement on Form S-1/A (333-193969), filed on March 4, 2014) 10.26# Master Services Agreement by and between Evonik Corporation and Akebia Therapeutics, Inc., dated February 28, 2014 (incorporated by reference to exhibit10.32 to the Company’s Registration Statement on Form S-1/A (333-193969), filed on March 4, 2014) 10.27† Form of Restricted Stock Unit Award Agreement under 2014 Incentive Plan (incorporated by reference to exhibit 10.26 to the Company’s 10-K for the yearending December 31, 2014 and filed on March 4, 2015)10.28# Master Services Agreement, between Akebia Therapeutics, Inc., and Quintiles, Inc., dated as of June 8, 2015 (incorporated by reference to exhibit 10.1 to theCompany’s Quarterly Report on Form 10-Q, filed on August 11, 2015) 10.29#* Collaboration Agreement, between Akebia Therapeutics, Inc. and Mitsubishi Tanabe Pharma Corporation, dated December 11, 2015 21.1* List of Subsidiaries 23.1* Consent of Ernst & Young LLP 31.1* Certification of Principal Executive Officer Required Under Rule 13a-14(a) of the Securities Exchange Act of 1934, as amended 31.2* Certification of Principal Financial Officer Required Under Rule 13a-14(a) of the Securities Exchange Act of 1934, as amended 32.1* Certification of Principal Executive Officer and Principal Financial Officer Required Under Rule 13a-14(b) of the Securities Exchange Act of 1934, as amended,and 18 U.S.C. 1350 99.1 Press Release issued by Akebia Therapeutics, Inc. on March 10, 2016 (furnished herewith) 101.INS* XBRL Instance Document 101.SCH* XBRL Taxonomy Extension Schema Document 106 Exhibit Number Description of Exhibit101.CAL* XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF* XBRL Taxonomy Extension Definition Linkbase Document 101.LAB* XBRL Taxonomy Extension Labels Linkbase Document 101.PRE* XBRL Taxonomy Extension Presentation Linkbase Document *Filed, or submitted electronically, herewith†Indicates management contract or compensatory plan#Indicates portions of the exhibit (indicated by asterisks) have been omitted pursuant to a request for confidential treatment 107 Exhibit 10.4SECOND AMENDMENT TO LEASEThis Second Amendment to Lease (this “ Second Amendment ”) is entered into as of November 23, 2015, (the “Execution Date ”) by and between JAMESTOWN PREMIER 245 FIRST, LLC , a Delaware limited liability company (the “Landlord ”), successor-in-interest to MA-Riverview/245 First Street, L.L.C., and AKEBIA THERAPEUTICS, INC. , a Delawarecorporation (the “ Tenant ”).WHEREAS, Landlord’s predecessor and Tenant entered into that certain Office Lease Agreement dated as of December 3,2013, as amended by a First Amendment to Lease dated as of December 15, 2014 (as amended, the “ Lease ”) for the lease of certainpremises on the eleventh (11th) floor of the Office Building located at 245 First Street, Cambridge, MA 02142 (the “ Building ”),containing a total of 16,222 rentable square feet of office space, previously containing a total of 15,367 rentable square feet (the “Existing Premises ”) prior to Landlord’s remeasurement of the Building, including the Existing Premises;WHEREAS, Tenant desires to lease three (3) additional spaces: (i) approximately 3,066 rentable square feet of officespace located on the fourteenth (14 th ) floor of the Building (“ Space A ”) as shown on Exhibit A, Second Amendment , attachedhereto and incorporated herein; (ii) approximately 16,739 rentable square feet of office space located on the fourteenth (14 th ) floorof the Building (“ Space B ”) as shown on Exhibit A-1, Second Amendment , attached hereto and incorporated herein; and (iii)approximately 3,384 rentable square feet of office space located on the eleventh (11 th ) floor of the Building (“ Space C ”) as shownon Exhibit A-2, Second Amendment , attached hereto and incorporated herein (Space A, Space B, and Space C, collectively, the “Second Amendment Premises ”, with each of Space A, Space B, and Space C being sometimes referred to herein as a “ Portion ofthe Second Amendment Premises ”); andWHEREAS, Landlord and Tenant desire to amend the Lease to reflect (i) the remeasurement of the Office Building, theScience Building, and the Existing Premises, (ii) the expansion of the Existing Premises to include the Second Amendment Premises,(iii) the extension of the Lease Term, and (iv) the modification of certain other provisions of the Lease.NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt andsufficiency of which are hereby acknowledged, Landlord and Tenant agree that the Lease is hereby amended as follows:1. Remeasurement . The parties hereby acknowledge that the square footage of the Office Building, the Science Building,and the Existing Premises have been recalculated based upon a remeasurement of such areas, and, therefore, the parties hereby agreethat, effective as of the Execution Date, the Office Building shall be deemed to contain a total of 164,704 rentable square feet, theScience Building shall be deemed to contain a total of 132,928 rentable square feet, and the Existing Premises shall be deemed tocontain a total of 16,222 rentable square feet; provided, however, that with respect to the Existing Premises and until January 1,2017, Tenant shall continue to pay Tax Excess, Expense Excess, and Common Area Expense Excess (and any other amounts that aredue and payable under the Lease and are calculated based on Tenant’s Pro Rata Share) as if the Existing Premises contained 15,367 rentable square feet. Landlord hereby agrees that it shall not remeasure theExisting Premises or the Second Amendment Premises for the remainder of the Term and the Extension Term (as hereinafterdefined) unless the physical boundaries thereof are changed by mutual agreement of the parties, nor shall Tenant’s Building Pro RataShare or Tenant’s Common Area Pro Rata Share increase notwithstanding any further remeasurement of the Office Building or theScience Building.2. Demise of Space AA. Space A (3,066 rsf on Floor 14) . Landlord hereby demises and leases to Tenant, and Tenant hereby hiresand takes from Landlord, Space A. Said demise of Space A shall be for a term commencing on the date (the “ Space ACommencement Date ”) that is the later of (i) the Execution Date (the “ Estimated Space A Commencement Date ”) or (ii) thedate Landlord delivers Space A to Tenant in its as-is condition and free of tenants and occupants, equipment and other personalproperty, and expiring on the date (the “ Extended Termination Date ”) that is the later of (x) August 31, 2026 or (y) the date that isten (10) years after the Space B Rent Commencement Date, as hereinafter defined. Landlord shall use all commercially reasonableefforts to deliver Space A to Tenant on or before the Estimated Space A Commencement Date in the condition required above;however, the failure of Landlord to do so shall in no way affect the validity of the Lease, this Second Amendment, or the obligationsof Tenant hereunder, and Tenant shall not have any claim against Landlord by reason thereof. Except as set forth herein, said demiseof Space A shall be upon all of the terms and conditions set forth in the Lease (as amended by this Second Amendment) applicable tothe Existing Premises. The “ Space A Rent Commencement Date ” shall, subject to Section 7C, be the date that is four (4)calendar months after the Space A Commencement Date. Effective as of the Space A Commencement Date, (x) “ Space A ” shall beincluded in the definition of “ Premises ”, and (y) Tenant’s Building Pro Rata Share shall be increased by 1.86%, and (z) Tenant’sCommon Area Pro Rata Share shall be increased by 1.03%. B. Rent - Space A . Commencing on the Space A Rent Commencement Date, Tenant shall pay Base Rent andAdditional Rent for Space A as set forth below.(i) Base Rent. PeriodAnnual Base RentMonthlyBase RentPerRentableSquareFootSpace A RentCommencementDate through1/31/17$239,148.00*$19,929.00$78.002/1/17 – 1/31/18$242,214.00$20,184.50$79.002/1/18 – 1/31/19$245,280.00$20,440.00$80.002/1/19 – 1/31/20$248,346.00$20,695.50$81.002/1/20 – 1/31/21$251,412.00$20,951.00$82.002/1/21 – 1/31/22$254,478.00$21,206.50$83.002/1/22 – 1/31/23$257,544.00$21,462.00$84.002/1/23 – 1/31/24$260,610.00$21,717.50$85.002/1/24 – 1/31/25$263,676.00$21,973.00$86.002/1/25 – 1/31/26$266,742.00$22,228.50$87.002/1/26 –ExtendedTerminationDate$269,808.00*$22,484.00$88.00 *Annualized (ii) Additional Rent . Commencing on the Space A Rent Commencement Date, Tenant shall pay TaxExcess, Expense Excess, and Common Area Expense Excess for Space A in accordance with the provisions ofExhibit B of the Lease, except that from and after the Space A Rent Commencement Date:(1) the Base Year for Taxes for Space A shall be the fiscal year 2017 (i.e., July 1, 2016through June 30, 2017); and(2) the Base Year for Expenses and for Common Area Expenses for Space A shall be thecalendar year 2016.(iii) Electricity Charges . Commencing on the Space A Commencement Date, Tenant shall payelectricity charges for Space A in accordance with the provisions of Section 7.02 of the Lease. 3. Demise of Space BA. Space B (16,739 rsf on Floor 14) . Landlord hereby demises and leases to Tenant, and Tenant hereby hiresand takes from Landlord, Space B. Said demise of Space B shall be for a term commencing on the date (the “ Space BCommencement Date ”) that is the later of (i) April 1, 2016 (the “ Estimated Space B Commencement Date ”) or (ii) the dateLandlord delivers Space B to Tenant in its as-is condition and free of tenants and occupants, equipment, and other personal property,and expiring on the Extended Termination Date. Landlord shall use all commercially reasonable efforts to deliver Space B to Tenanton or before the Estimated Space B Commencement Date in the condition required above; however, except as set forth in Section 3Cbelow, the failure of Landlord to do so shall in no way affect the validity of the Lease, this Second Amendment, or the obligations ofTenant hereunder, and Tenant shall not have any claim against Landlord by reason thereof. Except as set forth herein, said demise ofSpace B shall be upon all of the terms and conditions set forth in the Lease (as amended by this Second Amendment) applicable tothe Existing Premises. The “ Space B Rent Commencement Date ” shall, subject to Section 7C, be the date that is five (5) calendarmonths after the Space B Commencement Date. Effective as of the Space B Commencement Date, (x) “ Space B ” shall be includedin the definition of the “ Premises ”, and (y) Tenant’s Building Pro Rata Share shall be increased by10.16%, and (z) Tenant’sCommon Area Pro Rata Share shall be increased by 5.62%. B. Rent - Space B . Commencing on the Space B Rent Commencement Date, Tenant shall pay Base Rent andAdditional Rent for Space B as set forth below.(i) Base Rent . PeriodAnnual Base RentMonthlyBase RentPerRentableSquareFootSpace B RentCommencementDate through1/31/17$1,305,642.00*$108,803.50$78.002/1/17 – 1/31/18$1,322,381.00$110,198.42$79.002/1/18 – 1/31/19$1,339,120.00$111,593.33$80.002/1/19 – 1/31/20$1,355,859.00$112,988.25$81.002/1/20 – 1/31/21$1,372,598.00$114,383.17$82.002/1/21 – 1/31/22$1,389,337.00$115,778.08$83.002/1/22 – 1/31/23$1,406,076.00$117,173.00$84.002/1/23 – 1/31/24$1,422,815.00$118,567.92$85.002/1/24 – 1/31/25$1,439,554.00$119,962.83$86.002/1/25 – 1/31/26$1,456,293.00$121,357.75$87.002/1/26 -ExtendedTerminationDate$1,473,032.00*$122,752.67$88.00 *Annualized (ii) Additional Rent . Commencing on the Space B Rent Commencement Date, Tenant shall pay TaxExcess, Expense Excess, and Common Area Expense Excess for Space B in accordance with the provisions ofExhibit B of the Lease, except that from and after the Space B Rent Commencement Date, the Base Year forTaxes and the Base Year for Expenses and for Common Area Expenses for Space B shall be the same as thosefor Space A, as set forth above in Section 2.B(ii)(1) and (2).(iii) Electricity Charges . With respect to Space B, commencing on the Space B CommencementDate, Tenant shall pay electricity charges in accordance with the provisions of Section 7.02 of the Lease.C. Delay in Space B Commencement Date . If the existing tenant of Space B (“ Existing Space B Tenant ”)fails to vacate and deliver Space B to Landlord on or before April 1, 2016, Landlord shall, as set forth in Section 3A above, use allcommercially reasonable efforts to recover Space B from the Existing Space B Tenant, including, without limitation, commencingsummary proceedings against the Existing Space B Tenant and seeking to recover from the Existing Space B Tenant any Premium Hold Over Amounts, as hereinafter defined, which Landlord is able to collect from theExisting Space B Tenant by reason of such hold over. Landlord shall pay to Tenant the net (i.e. net of reasonable attorneys fees andcollection costs) amount of any Premium Hold Over Amounts actually received by Landlord from the Existing Space B Tenant. Forthe purposes of this Section 3C, “ Premium Hold Over Amounts ” with respect to the Existing Space B Tenant shall be defined asthe amount (if any) which Landlord receives from such tenant on account of its occupancy of Space B on or after April 1, 2016 inexcess of the amount which the Existing Space B Tenant would have been required by to Landlord had the term of its lease of SpaceB been extended through the period of hold over at the same rent and other charges payable by the Existing Space B Tenantimmediately prior to April 1, 2016. Notwithstanding anything in this Second Amendment to the contrary, if the Space BCommencement Date has not occurred by October 1, 2016, Tenant shall have the right to terminate the Lease as to Space B uponwritten notice to Landlord; provided, however, if the Space B Commencement Date occurs within thirty (30) days of Landlord’sreceipt of such notice from Tenant, then such notice shall be null and void and of no force and effect.4. Demise of Space CA. Space C (3,384 rsf on Floor 11) . Landlord hereby demises and leases to Tenant, and Tenant hereby hiresand takes from Landlord, Space C. Said demise of Space C shall be for a term commencing on the date (the “ Space CCommencement Date ”) that is the later of (i) January 1, 2017 (the “ Estimated Space C Commencement Date ”) or (ii) the dateLandlord delivers Space C to Tenant in its as-is condition and free of tenants and occupants, equipment, and other personal property,and expiring on the Extended Termination Date. Landlord shall use all commercially reasonable efforts to deliver Space C to Tenanton or before the Estimated Space C Commencement Date in the condition required above; however, the failure of Landlord to do soshall, except as set forth in Section 4C below in no way affect the validity of the Lease, this Second Amendment, or the obligationsof Tenant hereunder, and Tenant shall not have any claim against Landlord by reason thereof. Except as set forth herein, said demiseof Space C shall be upon all of the terms and conditions set forth in the Lease (as amended by this Second Amendment) applicable tothe Existing Premises. The “ Space C Rent Commencement Date ” shall, subject to Section 7C, be the date that is four (4)calendar months after the Space C Commencement Date. Effective as of the Space C Commencement Date, (x) “ Space C ” shallbe included in the definition of the “ Premises ”, collectively, and (y) Tenant’s Building Pro Rata Share shall be increased by 2.05%,and (z) Tenant’s Common Area Pro Rata Share shall be increased by 1.14%. Effective as of the last to occur of the Space ACommencement Date, Space B Commencement Date, and Space C Commencement Date, (a) Tenant’s Building Pro Rata Share shallbe 23.93%, (b) Tenant’s Common Area Pro Rata Share for the entire Premises shall be 13.24%, and (c) the Rentable Square Footageof the entire Premises shall be 39,411 square feet. B. Rent - Space C . Commencing on the Space C Rent Commencement Date, Tenant shall pay Base Rent andAdditional Rent for Space C as set forth below.(i) Base Rent . PeriodAnnual Base RentMonthlyBase RentPerRentableSquareFootSpace C RentCommencementDate through1/31/18 $267,336.00*$22,278.00$79.002/1/18 – 1/31/19$270,720.00$22,560.00$80.002/1/19 – 1/31/20$274,104.00$22,842.00$81.002/1/20 – 1/31/21$277,488.00$23,124.00$82.002/1/21 – 1/31/22$280,872.00$23,406.00$83.002/1/22 – 1/31/23$284,256.00$23,688.00$84.002/1/23 – 1/31/24$287,640.00$23,970.00$85.002/1/24 – 1/31/25$291,024.00$24,252.00$86.002/1/25 – 1/31/26$294,408.00$24,534.00$87.002/1/26 - ExtendedTermination Date$297,792.00*$24,816.00$88.00 *Annualized (ii) Additional Rent . Commencing on the Space C Rent Commencement Date, Tenant shall pay TaxExcess, Expense Excess, and Common Area Expense Excess for Space C in accordance with the provisions ofExhibit B of the Lease, except that from and after the Space C Rent Commencement Date, the Base Year forTaxes and the Base Year for Expenses and for Common Area Expenses for Space C shall be the same as thosefor Spaces A and B, as set forth above in Section 2.B(ii)(1) and (2). (iii) Electricity Charges . With respect to Space C, commencing on the Space C CommencementDate, Tenant shall pay electricity charges in accordance with the provisions of Section 7.02 of the Lease.C. Delay in Space C Commencement Date . If the existing tenant of Space C (“ Existing Space C Tenant ”)fails to vacate and deliver Space C to Landlord on or before January 1, 2017, Landlord shall, as set forth in Section 4A above, use allcommercially reasonable efforts to recover Space C from the Existing Space C Tenant, including, without limitation, commencingsummary proceedings against the Existing Space C Tenant and seeking to recover from the Existing Space C Tenant any PremiumHold Over Amounts, as hereinafter defined, which Landlord is able to collect from the Existing Space C Tenant by reason of suchhold over. Landlord shall pay to Tenant the net (i.e. net of reasonable attorneys fees and collection costs) amount of any PremiumHold Over Amounts actually received by Landlord from the Existing Space C Tenant. For the purposes of this Section 4C, “ Premium Hold Over Amounts ” with respect to theExisting Space C Tenant shall be defined as the amount (if any) which Landlord receives from such tenant on account of itsoccupancy of Space C on or after January 1, 2017 in excess of the amount which the Existing Space C Tenant would have beenrequired by to Landlord had the term of its lease of Space C been extended through the period of hold over at the same rent and othercharges payable by the Existing Space C Tenant immediately prior to January 1, 2017. Notwithstanding anything in this SecondAmendment to the contrary, if the Space C Commencement Date has not occurred by July 15, 2017 , Tenant shall have the right toterminate the Lease as to Space C upon written notice to Landlord; provided, however, if the Space C Commencement Date occurswithin thirty (30) days of Landlord’s receipt of such notice from Tenant, then such notice shall be null and void and of no force andeffect.5. Extension of Term--Existing Premises . The Term of the Lease for the Existing Premises is hereby extended for aperiod of time commencing January 1, 2017, and expiring on the Extended Termination Date (the “ Extension Term ”).A. Rent – Existing Premises (16,222 rsf) . Commencing on May 1, 2017 and continuing through the ExtensionTerm, Tenant shall pay Base Rent and Additional Rent for the Existing Premises as set forth below.(i) Base Rent. PeriodAnnual BaseRentMonthlyBase RentPerRentableSquareFoot1/1/17 – 4/30/17$-0-$-0-$-0-5/1/17 – 1/31/18$1,281,538.00*$106,794.83$79.002/1/18 – 1/31/19$1,297,760.00$108,146.67$80.002/1/19 – 1/31/20$1,313,982.00$109,498.50$81.002/1/20 – 1/31/21$1,330,204.00$110,850.33$82.002/1/21 – 1/31/22$1,346,426.00$112,202.17$83.002/1/22 – 1/31/23$1,362,648.00$113,554.00$84.002/1/23 – 1/31/24$1,378,870.00$114,905.83$85.002/1/24 – 1/31/25$1,395,092.00$116,257.67$86.002/1/25 - 1/31/26$1,411,314.00$117,609.50$87.002/1/26 throughExtendedTerminationDate$1,427,536.00*$118,961.33$88.00 *Annualized (ii) Additional Rent . During the Extension Term, Tenant shall pay Tax Excess, Expense Excess, andCommon Area Expense Excess for the Existing Premises in accordance with the provisions of Exhibit B of theLease, except that from and after the May 1, 2017, the Base Year for Taxes and the Base Year for Expenses and for Common AreaExpenses for the Existing Premises shall be the same as those for the Second Amendment Premises, as set forthabove in Section 2.B(ii)(1) and (2). During the Extension Term, Tenant shall continue to pay electricity chargesfor the Existing Premises in accordance with the provisions of Section 7.02 of the Lease.6. Existing Premises Condition/Tenant’s Existing Premises Work . A. “ As-is Condition ”. Tenant confirms and acknowledges that Tenant is currently in possession of the ExistingPremises and is operating its business therein pursuant to the provisions of the Lease. Tenant is fully aware of the existing conditionof the Existing Premises and agrees that with respect to the Extension Term (a) to take the Existing Premises on a strictly “as-is” and“where is” condition, (b) that neither Landlord nor Landlord’s agents have made any representations or warranties with respect to theExisting Premises or the Office Building or the Property except as expressly set forth herein or in the Lease, and (c) that Landlordhas no obligation to perform any work, supply any materials, incur any expense (except for Landlord’s Base Contribution,Landlord’s Existing Premises Fit Plan Contribution, and Landlord’s Heat Pump Contribution, as said terms are hereinafter defined)or make any alterations, additions or improvements to the Existing Premises for the Extension Term. Nothing herein contained shallin any way diminish or affect Landlord’s on-going repair, maintenance and/or replacement obligations under the Lease including,without limitation, Section 9.02 of the Lease or Landlord’s service obligations under the Lease including, without limitation, Section7 of the Lease.B. Tenant’s Existing Premises Work. Tenant shall perform the leasehold improvements to refurbish theExisting Premises (“ Tenant’s Existing Premises Work ”) in accordance with plans and specifications (“ Tenant’s ExistingPremises Plans ”), which shall be submitted to Landlord for its approval. Tenant’s Existing Premises Work shall be performed inaccordance with Section 9.03 of the Lease, except that (i) Landlord agrees to waive Landlord’s oversight and coordination fee withrespect to Tenant’s Existing Premises Work, (ii) Landlord’s approval shall only be required for material changes to Tenant’s ExistingPremises Plans, and (iii) Landlord shall provide its approval (or disapproval) of Tenant’s Existing Premises Plans within the InitialSubmittal Response Period, as hereinafter defined, after receipt thereof (and with respect to any material changes to Tenant’sExisting Premises Plans, or resubmissions of Tenant’s Existing Premises Plans following Landlord’s disapproval thereof, within theResubmittal Response Period, after receipt thereof) and any disapproval shall be accompanied by a detailed written explanation forthe basis of such disapproval. Notwithstanding the foregoing, Landlord agrees to use commercially reasonable efforts to respond toany submission or resubmission before the expiration of the applicable response period. For the purposes of this Section 6B:(1) the “ Initial Submittal Response Period ” shall be defined as ten (10) Business Days, except that if,Landlord’s reasonable judgment, Tenant’s Existing Premises Plans must be reviewed by a third party engineer or consultant (e.g.,because Tenant’s Existing Premises Work, as shown on Tenant’s Existing Premises Plans affect the structure or systems of theBuilding), then the Initial Submittal Respond Period shall be fifteen (15) Business Days; and (2) the “ Resubmittal Response Period ” shall be defined as five (5) Business Days, except that if, Landlord’sreasonable judgment, Tenant’s Existing Premises Plans must be reviewed by a third party engineer or consultant (e.g., becauseTenant’s Existing Premises Work, as shown on Tenant’s Existing Premises Plans affect the structure or systems of the Building),then the Resubmittal Response Period shall be ten (10) Business Days.Except for Landlord’s Base Contribution, Landlord’s Existing Premises Fit Plan Contribution, and Landlord’sHeat Pump Contribution, Tenant’s Existing Premises Work shall be performed at Tenant’s sole cost and expense, using Buildingstandard methods, materials, and finishes. Notwithstanding anything to the contrary contained in the Lease, Tenant shall bepermitted to use its own general contractor and subcontractors to perform Tenant’s Existing Premises Work, which contractors andsubcontractors shall be subject to Landlord’s prior approval , which approval shall not be unreasonably withheld, conditioned ordelayed. 7. Second Amendment Premises Condition/Tenant’s Second Amendment Premises Work . A. Each Portion of the Second Amendment Premises shall be leased by Tenant “as-is” and “where is”, in thecondition in which such Portion of the Second Amendment Premises is in as of the respective Commencement Date with respect tosuch Portion of the Second Amendment Premises and delivered to Tenant in accordance with the terms and conditions of Sections 2,3, and 4 of this Second Amendment applicable to such Portion of the Second Amendment Premises, and without Landlord orLandlord’s agents having made any representations or warranties with respect to the Second Amendment Premises or the OfficeBuilding or the Property except as expressly set forth herein. Landlord has no obligation to perform any work, supply any materials,incur any expense (except for Landlord’s Base Contribution, Landlord’s Heat Pump Contribution, the Space B DemolitionContribution, as hereinafter defined, and the Second Amendment Premises Fit Plan Contribution, as hereinafter defined) or make anyalterations, additions or improvements to the Second Amendment Premises. B. Tenant’s Second Amendment Premises Work. Tenant shall perform the leasehold improvements to preparethe Second Amendment Premises for Tenant’s occupancy (“ Tenant’s Second Amendment Premises Work ”) in accordance withplans and specifications (“ Tenant’s Second Amendment Premises Plans ”), which shall be submitted to Landlord for itsapproval. Tenant’s Second Amendment Premises Work shall be performed, and Landlord’s approval of Tenant’s SecondAmendment Premises Plan shall be delivered, in accordance with Section 9.03 of the Lease, except that (i) Landlord agrees to waiveLandlord’s oversight and coordination fee with respect to Tenant’s Second Amendment Premises Work, (ii) Landlord’s approvalshall only be required for material changes to Tenant’s Second Amendment Premises Plans, and (iii) Landlord shall provide itsapproval (or disapproval) of Tenant’s Second Amendment Premises Plans within the Initial Submittal Response Period, ashereinafter defined, after receipt thereof (and with respect to any material changes to Tenant’s Second Amendment Premises Plans,or resubmissions of Tenant’s Second Amendment Premises Plans following Landlord’s disapproval thereof, within the ResubmittalResponse Period, after receipt thereof) and any disapproval shall be accompanied by a detailed written explanation for the basis ofsuch disapproval. For the purposes of this Section 7B:(1) the “ Initial Submittal Response Period ” shall be defined as ten (10) Business Days, except that if,Landlord’s reasonable judgment, Tenant’s Second Amendment Premises Plans must be reviewed by a third party engineer orconsultant (e.g., because Tenant’s Second Amendment Premises Work, as shown on Tenant’s Second Amendment Premises Plansaffect the structure or systems of the Building), then the Initial Submittal Respond Period shall be fifteen (15) Business Days;(2) the “ Resubmittal Response Period ” shall be defined as five (5) Business Days, except that if, Landlord’sreasonable judgment, Tenant’s Second Amendment Premises Plans must be reviewed by a third party engineer or consultant (e.g.,because Tenant’s Second Amendment Premises Work, as shown on Tenant’s Second Amendment Premises Plans affect the structureor systems of the Building), then the Resubmittal Response Period shall be ten (10) Business Days; and(3) Notwithstanding the foregoing, with respect to Tenant’s Second Amendment Premises Plans for Tenant’sSecond Amendment Premises Work in Space A only , (i) the foregoing ten (10) Business Days and fifteen (15) Business Days setforth in clause (1) above shall be eight (8) Business Days and twelve (12) Business Days, respectively, and (ii) the foregoing five (5)Business Days and ten (10) Business Days set forth in clause (2) above shall be three (3) Business Days and six (6) Business Days,respectively. This clause (3) shall not apply to Tenant’s Second Amendment Premises Plans for Tenant’s Second AmendmentPremises Work in any portion of the Second Amendment Premises other than Space A.Except for Landlord’s Base Contribution, Landlord’s Heat Pump Contribution, and Landlord’s Space BDemolition Contribution, Tenant’s Second Amendment Premises Work shall be performed at Tenant’s sole cost and expense, usingBuilding standard methods, materials, and finishes. Notwithstanding anything to the contrary contained in the Lease, Tenant shall bepermitted to use its own general contractor and subcontractors to perform Tenant’s Second Amendment Premises Work, whichcontractors and subcontractors shall be subject to Landlord’s prior approval , which shall not be unreasonably withheld, conditionedor delayed. Tenant shall, as part of Tenant’s Second Amendment Premises Work, incur at least $30.00 per rentable square foot in Hard Costs, ashereinafter defined, for leasehold improvements in each Portion of the Second Amendment Premises.C. Landlord hereby represents to Tenant (“ Landlord’s Warranty ”) that, as of the applicable RentCommencement Date with respect to each Portion of the Second Amendment Premises, all of the following portions of the Buildingwill be in good working order: the roof and common building systems (including the HVAC, electrical, life safety and plumbingsystems) to the extent that they serve such Portion of the Second Amendment Premises. With respect to any breach (“ PatentBreach ”) of Landlord’s Warranty which is readily visible upon entry of any Portion of the Second Amendment Premises by Tenantwithout having to remove, alter, adjust, operate or modify any portion (e.g., walls, equipment, carpeting, etc.) of the SecondAmendment Premises, Tenant shall be deemed to have waived any claim of any breach of Landlord’s Warranty with respect to suchPortion of the Second Amendment Premises, unless, on before the date ten (10) Business Days after the Execution Date, Tenantgives Landlord written notice (“ Landlord’s Warranty Breach Notice ”) setting forth, with specificity, the manner in which Tenantbelieves that Landlord’s Warranty has been breached. With respect to any other breach (“ Latent Breach ”) of Landlord’s Warrantywith respect to such Portion of the Second Amendment Premises, Tenant shall be deemed to have waived any claim of any breach ofLandlord’s Warranty with respect to such Portion of the Second Amendment Premises unless, on before the date ten (10) BusinessDays after Tenant has actual knowledge of such Latent Breach, Tenant gives a Landlord’s Warranty Breach Notice to Landlord. Inthe event of any breach of Landlord’s Warranty with respect to any Portion of the Second Amendment Premises, then, and asTenant’s sole remedies, both in law and in equity in the event of such breach: (i) Landlord, at its sole cost and expense, shall correctsuch breach, as promptly as possible, and (ii) to the extent that any such breach actually causes a delay in Tenant’s ability to achievesubstantial completion of Tenant’s Second Amendment Premises Work with respect to such Portion of the Second AmendmentPremises by the date (“ Expected Rent Commencement Date ”) which is four (4) months after the Commencement Date for suchPortion of the Second Amendment Premises, such delay shall be considered a “ Landlord Delay ” with respect to such Portion ofthe Second Amendment Premises, and (iii) with respect to a Latent Breach that occurs after the Rent Commencement Date for anyPortion of the Second Amendment Premises and for which Tenant timely notifies Landlord and which would constitute a ServiceFailure (as said term is defined in Section 7.03 of the Lease), Tenant shall be entitled to its rights and remedies under Section 7.03 ofthe Lease to the extent applicable. With respect to a Landlord Delay, the Rent Commencement Date applicable to such Portion ofthe Second Amendment Premises shall be extended by the number of days that such Landlord Delay actually delays the performanceof Tenant’s Second Amendment Premises Work with respect to such Portion of the Second Amendment Premises beyond theExpected Rent Commencement Date for such Portion of the Second Amendment Premises. Nothing in this Section 7.C shallderogate from Landlord’s obligations under the Lease, including without limitation pursuant to Sections 7 and 9.02 of the Lease. 8. Landlord’s Base Contribution .A. Landlord’s Base Contribution . Landlord shall, in the manner hereinafter set forth, provide Tenant withLandlord’s Base Contribution to be used to pay for Permitted Costs, as hereinafter defined, incurred by Tenant in connection with Tenant’s Existing Premises Work and Tenant’s Second AmendmentPremises Work. Landlord’s Base Contribution shall not exceed $1,646,110.00 (“ Maximum Contribution ”). “ Permitted Costs ”shall be defined as Hard Costs and Soft Costs, each as hereinafter defined. “ Hard Costs ” shall be defined as the cost of acquisition,installation, and performance of leasehold improvements, demolition, and building permits. “ Soft Costs ” shall include the costs offurniture, fixtures and equipment installed by Tenant in the Existing Premises and/or Second Amendment Premises, constructionmanagement fees, architectural and design fees, data/telecom cabling, and relocation costs. “ Landlord’s Base Contribution ” shallbe the lesser of (i) the actual Permitted Costs incurred by Tenant and (ii) the Maximum Contribution. Landlord shall receive aconstruction management fee equal to 0.75% of Landlord’s Base Contribution. Such fee shall be deducted from Landlord’s BaseContribution. B. Disbursement Procedures . Provided there shall then exist no Default (as said term is defined in Section 18of the Lease) of Tenant under the Lease at the time that Tenant submits any requisition (“ Requisition ”) of Landlord’s BaseContribution, Landlord shall pay the cost of the work shown on each Requisition submitted by Tenant to Landlord within thirty (30)days of submission thereof by Tenant to Landlord. If requested by Tenant at the time of Tenant’s submission of such Requisition,Landlord shall make such payment directly to Tenant’s contractor. If Landlord declines to fund any Requisition on the basis of aDefault (as said term is defined in Section 18 of the Lease) of Tenant under the Lease, provided that the Lease is in full force andeffect and Tenant cures such Default in accordance with the terms and conditions of the Lease, then, subject to the provisions setforth herein, Tenant shall have the right to resubmit such declined Requisition, and Landlord shall pay any amounts properly dueunder such resubmitted Requisition. Each Tenant Requisition shall be accompanied by the following: (i) a detailed breakdown of the costs ofTenant’s Existing Premises Work and Tenant’s Second Amendment Premises Work for which Tenant is seeking payment, (ii) a copyof each Application for Payment (substantially on the standard AIA form) from Tenant’s contractor for all contractor chargesincluded in the Requisition, (iii) copies of invoices for any architectural fees and other costs not covered by a contractor’sApplication for Payment that are included in the Tenant’s Requisition, (iv) a certification by an appropriate officer of Tenant or byTenant’s architect that all of the construction work to be paid for with Landlord’s Base Contribution has been completed in a goodand workmanlike manner, in accordance with Tenant’s Existing Premises Plans or Tenant’s Second Amendment Premises Plans, asthe case may be, (v) executed waivers of mechanic’s or material supplier’s liens (in such form as Landlord shall reasonably require)waiving, releasing and relinquishing all liens, claims and rights to lien under applicable laws on account of any labor, materialsand/or equipment furnished by any party through the date of Tenant’s Requisition (provided that any such waiver may beconditioned upon receipt of the amount requested for such party in the Tenant’s Requisition), and (vi) a certification by anappropriate officer of Tenant that Tenant has made (or upon receipt of the amount requested in the Tenant’s Requisition shall make)full payment for all of the work and other costs of Tenant’s Existing Premises Work or Tenant’s Second Amendment PremisesWork, as the case may be, covered by the Requisition. Upon the earlier to occur of the date that is (A) fifteen (15) days followingSubstantial Completion (as hereinafter defined), or (B) the date of submission of a Requisition for the final ten percent (10%) ofLandlord’s Base Contribution (allocable to the Existing Premises Work or such Portion of the Second Amendment Premises Worksubject to such Requisition (or, at Tenant’s election, applicable to all of the work contemplated by Tenant under this Second Amendment) (the“ Final Requisition ”), in addition to delivering the documentation required in subclauses (i) through (vi) above, such FinalRequisition shall also be accompanied by all items required to be delivered by Tenant pursuant to Section 9.03 of the Lease. For thepurposes of this Second Amendment “ Substantial Completion ” shall mean for the Existing Premises or any Portion of the SecondAmendment Premises, as the case may be, that the Existing Premises Work or the Second Amendment Premises Work applicable tosuch Portion, is completed in such a fashion as to enable Tenant, upon furnishing the same, to open for business in the normalcourse.C. Conditions to Payment of Landlord’s Base Contribution . Notwithstanding anything to the contrary hereincontained:(1) Except with respect to work and/or materials previously paid for by Tenant, as evidenced by paid invoicesand written lien waivers provided to Landlord, Landlord shall have the right with respect to any Tenant contractor or vendor that hasfiled a lien against the Property for work performed, or claimed to be performed, which has not been discharged or bonded over toLandlord’s reasonable satisfaction in accordance with Section 12 of the Lease, to have Landlord’s Base Contribution paid to bothTenant and such contractor or vendor jointly, or directly to such contractor or vendor.(2) Landlord shall have no obligation to pay Landlord’s Base Contribution in respect of any Requisitionsubmitted after the date (the “ Outside Requisition Date ”) that is nineteen (19) months after the last to occur of the Space A RentCommencement Date, Space B Rent Commencement Date, or Space C Rent Commencement Date.(3) Tenant shall not be entitled to any unused portion of Landlord’s Base Contribution.(4) Tenant may not use more than $288,069.25 of Landlord’s Base Contribution to pay for Soft Costs.D. If Landlord fails timely to pay any portion of Landlord’s Base Contribution when properly due to Tenant, andif Landlord fails to cure such failure within ten (10) Business Days after notice from Tenant, Tenant shall have the right to offsetsuch past due amount from the next installment(s) of Base Rent and other charges due under the Lease.9. Fit Plan Contributions and Space B Demolition Contribution . In addition to Landlord’s Base Contribution, Landlordshall provide the following contributions to Tenant:A. Landlord’s Second Amendment Premises Fit Plan Contribution . Landlord shall contribute up to $2,318.90(i.e., $.10 per rentable square foot of the Second Amendment Premises) (“ Landlord’s Second Amendment Premises Fit PlanContribution ”) towards the cost of the test fit plan prepared by Tenant’s architect. Landlord shall, within thirty (30) days of receiptof paid invoices from Tenant, pay Landlord’s Second Amendment Premises Fit Plan Contribution to Tenant. B. Landlord’s Existing Premises Fit Plan Contribution . Landlord shall contribute up to $1,622.20 (i.e., $.10 perrentable square foot of the Existing Premises) (“ Landlord’s Existing Premises Fit Plan Contribution ”) towards the cost of thetest fit plan prepared by Tenant’s architect. Landlord shall, within thirty (30) days of receipt of paid invoices from Tenant, payLandlord’s Existing Premises Fit Plan Contribution to Tenant.C. Landlord’s Space B Demolition Contribution . Landlord shall contribute the actual costs (as reasonablyapproved by Landlord) incurred by Tenant in demolishing Space B to shell condition (“ Landlord’s Space B DemolitionContribution ”). Landlord shall, within thirty (30) days of receipt of paid invoices from Tenant’s demolition contractor and lienwaivers from such contractor in form reasonably acceptable to Landlord, pay Landlord’s Space B Demolition Contribution toTenant.10. Heat Pump Replacement . A. Subject to Landlord’s Heat Pump Contribution, as hereinafter defined, Tenant shall, at Tenant’s cost, removethe existing heat pumps located on the eleventh (11 th ) and fourteenth (14 th ) floors of the Building (nineteen (19) heat pumps perfloor) and install new heat pumps and controls (collectively, “ Tenant’s Heat Pump Work ”). Tenant’s Heat Pump Work shall besubject to Landlord’s prior written approval (which approval shall not be unreasonably withheld, conditioned, or delayed) of theplans and specifications for Tenant’s Heat Pump Work as the contract between Tenant and the contractor performing Tenant’s HeatPump Work. The terms and provisions of Sections 6.B(iv) and 7.B(iv) of this Second Amendment applicable to Landlord’s approvalof Tenant’s Existing Premises Plans and Tenant’s Second Amendment Premises Plans, respectively, shall be applicable to Tenant’ssubmission, and Landlord’s approval, of the plans and specifications for Tenant’s Heat Pump Work and the other documents thatTenant is required to submit to Landlord for its approval under this Section 10. Without limiting the foregoing:(i) The existing heat pumps shall be replaced with heat pumps that have a useful life beyond theExtension Term.(ii) Tenant shall obtain and deliver to Landlord (i) at least five-(5)-year warranties with respect to thecompressors in the heat pumps from the manufacturer of the heat pumps and (ii) at least one-(1)-year warrantyfrom the contractor installing the heat pumps (collectively, the “ Heat Pump Warranties ”), which Heat PumpWarranties shall be in form and substance reasonably acceptable to Landlord, and the cost of such Heat PumpWarranties may be paid for out of Landlord’s Heat Pump Contribution, as hereinafter defined. (iii) The engineers and contractors engaged by Tenant in connection with the design and performanceof Tenant’s Heat Pump Work shall be subject to Landlord’s reasonable prior approval. (iv) Tenant shall not commence performance of Tenant’s Heat Pump Work with respect to any portionof the Premises until the Commencement Date for such portion of the Premises has occurred. Tenant shallperform Tenant’s Heat Pump Work in accordance with plans and specifications approved by Landlord, and in such manner as will notaffect the providing of heat, air conditioning, and ventilation services to any other tenant in the Building. Tenantshall complete the performance of Tenant’s Heat Pump Work by the Outside Requisition Date.B. During the performance of Tenant’s Heat Pump Work, Landlord shall have no maintenance obligations withrespect to the HVAC systems serving the portion of the Premises for which Tenant’s Heat Pump Work is beingperformed. However, Landlord’s HVAC maintenance obligations shall recommence once the following conditions have beenmet: (i) Tenant has completed Tenant’s Heat Pump Work on such portion of the Premises to Landlord’s reasonable satisfaction, (ii)Tenant has delivered the required Heat Pump Warranties to Landlord with respect to such portion of the Premises, and (iii) Tenanthas delivered to Landlord a balancing report, reasonably acceptable to Landlord with respect to such portion of the Premises.C. Landlord shall, in the manner hereinafter set forth, provide Tenant with an allowance of up to $7,500.00 perheat pump (i.e., $285,000.00) and up to an additional $50,000.00 to be used for controls of the heat pumps to be installed on the 11 thand 14 th floors (the “ Landlord’s Heat Pump Allowance ”) to be used towards the cost of Tenant’s Heat Pump Work. Withinthirty (30) days following receipt by Landlord of paid invoices for Tenant’s Heat Pump Work from Tenant’s contractor(s) and lienwaivers from such contractors in form reasonably acceptable to Landlord, and provided all of Tenant’s Heat Pump Work shall havebeen completed in accordance with the terms of the Lease and there shall then exist no Default (as said term is defined in Section 18of the Lease) of Tenant, Landlord shall remit to Tenant that amount (“ Landlord’s Heat Pump Contribution ”) being the lesser of(x) the cost of Tenant’s Heat Pump Work shown by such paid invoices or (y) Landlord’s Heat Pump Allowance. D. If Landlord fails timely to pay any portion of Landlord’s Heat Pump Contribution when properly due toTenant, and if Landlord fails to cure such failure within ten (10) Business Days after notice from Tenant, Tenant shall have the rightto offset such past due amount from the next installment(s) of Base Rent and other charges due under the Lease.11. Extension Option . A. Grant of Option; Conditions . Tenant shall have the right to extend the Term (the “ Extension Option ”) forone (1) additional period of five (5) years commencing on the day following the Extended Termination Date and ending on the fifth(5th) anniversary of the Extended Termination Date (the “ Option Term ”), if:1. Landlord receives an unconditional notice of exercise (“ Extension Notice ”) not later than twelve(12) full calendar months prior to the expiration of the Extension Term and not earlier than eighteen (18) full calendar months priorto the expiration of the Extension Term; and2. No Default (as said term is defined in Section 18 of the Lease) exists at the time that Tenantdelivers its Extension Notice or at the time Tenant delivers its Acceptance Notice (as defined below), if any; and 3. No more than thirty (30%) percent of the Premises is sublet (other than pursuant to a BusinessTransfer, as defined in Article 11 of the Lease) at the time that Tenant delivers its Extension Notice or at the time Tenant delivers itsAcceptance Notice, if any; and4. The Lease has not been assigned (other than pursuant to a Business Transfer, as defined in Article11 of the Lease) prior to the date that Tenant delivers its Initial Extension Notice or prior to the date Tenant delivers its AcceptanceNotice, if any.B. Terms Applicable to Premises during the Option Term . The initial Base Rent rate per rentable square footfor the Premises during the Option Term shall equal the Prevailing Market rate (hereinafter defined) per rentable square foot for thePremises. Base Rent during the Option Term shall increase, if at all, in accordance with the increases assumed in the determinationof Prevailing Market rate. Base Rent attributable to the Premises shall be payable in monthly installments in accordance with theterms and conditions of Article 4 of the Lease.Tenant shall pay Additional Rent (i.e., Taxes, Expenses, and Common Area Expenses) for the Premises duringthe Option Term in accordance with the terms of Article 4 of the Lease, and the manner and method in which Tenant reimbursesLandlord for Tenant’s share of Taxes, Expenses, Common Area Expenses and the Base Year, if any, applicable to such matter, shallbe some of the factors considered in determining the Prevailing Market rate for the Option Term. The Base Year for Taxes for theOption Term shall be the fiscal year 2027 and the Base Year for Expenses and for Common Area Expenses shall be the calendar year2026. C. Procedure for Determining Prevailing Market . Within thirty (30) days after receipt of Tenant’s ExtensionNotice (but no sooner than twelve (12) months prior to the expiration of the Term), Landlord shall advise Tenant of the applicableBase Rent rate for the Premises for the Option Term. Tenant, within fifteen (15) Business Days after the date on which Landlordadvises Tenant of the applicable Base Rent rate for the Option Term, shall either (i) give Landlord written notice that Tenant acceptsLandlord’s Base Rent for the Option Term (“ Acceptance Notice ”) or (ii) if Tenant disagrees with Landlord’s determination,provide Landlord with written notice of rejection (the “ Rejection Notice ”). If Tenant fails to provide Landlord with either anAcceptance Notice or a Rejection Notice within such fifteen-(15)-Business-Day period, Tenant shall be deemed to have provided aRejection Notice. If Tenant provides Landlord with an Acceptance Notice, Landlord and Tenant shall enter into the ExtensionAmendment (as defined below) upon the terms and conditions set forth herein and in Landlord’s notice as to Base Rent for theOption Term. If Tenant provides, or is deemed to have provided, Landlord with a Rejection Notice, Landlord and Tenant shall worktogether in good faith to agree upon the Prevailing Market rate for the Premises during the Option Term. Upon agreement, Landlordand Tenant shall enter into the Extension Amendment in accordance with the terms and conditions hereof. Notwithstanding theforegoing, if Landlord and Tenant fail to agree upon the Prevailing Market rate within thirty (30) days after the date Tenant provides(or is deemed to have provided) Landlord with the Rejection Notice, then the Prevailing Market rate shall be determined inaccordance with the arbitration procedures described in Section D below. D. Arbitration Procedure . 1. If Landlord and Tenant have failed to reach agreement as to the Prevailing Market rate within thirty(30) days after the date (or deemed date) of the Rejection Notice, then, within ten (10) days after the expiration of such thirty-(30)-day period, Landlord and Tenant shall each simultaneously submit to the other, in a sealed envelope, its good faith estimate of thePrevailing Market rate for the Premises during the Option Term (collectively referred to as the “ Estimates ”). If the higher of suchEstimates is not more than 105% of the lower of such Estimates, then Prevailing Market rate shall be the average of the twoEstimates. If the Prevailing Market rate is not resolved by the exchange of Estimates, then, within ten (10) days after the exchangeof Estimates, Landlord and Tenant shall each select an appraiser to determine which of the two Estimates most closely reflects thePrevailing Market rate for the Premises during the Option Term. Each appraiser so selected shall be certified as an MAI appraiser oras an ASA appraiser and shall have had at least five (5) years’ experience within the previous ten (10) years as a real estate appraiserworking in the Kendall Square area of Cambridge, with working knowledge of current rental rates and practices. For purposeshereof, an “ MAI ” appraiser means an individual who holds an MAI designation conferred by, and is an independent member of, theAmerican Institute of Real Estate Appraisers (or its successor organization, or in the event there is no successor organization, theorganization and designation most similar), and an “ ASA ” appraiser means an individual who holds the Senior Member designationconferred by, and is an independent member of, the American Society of Appraisers (or its successor organization, or, in the eventthere is no successor organization, the organization and designation most similar). 2. Upon selection, Landlord’s and Tenant’s appraisers shall work together in good faith to agree uponwhich of the two Estimates most closely reflects the Prevailing Market rate for the Premises. The Estimate chosen by suchappraisers shall be binding on both Landlord and Tenant as the Base Rent rate for the Premises during the Option Term. If eitherLandlord or Tenant fails to appoint an appraiser within the ten-(10)-day period referred to above, which failure continues for morethan five (5) days after notice thereof to the failing party, the appraiser appointed by the other party shall be the sole appraiser for thepurposes hereof. If the two appraisers cannot agree upon which of the two Estimates most closely reflects the Prevailing Marketwithin twenty (20) days after their appointment, then, within ten (10) days after the expiration of such twenty-(20)-day period, thetwo appraisers shall select a third appraiser meeting the aforementioned criteria. Once the third appraiser (i.e., arbitrator) has beenselected as provided for above, then, as soon thereafter as practicable but in any case within fourteen (14) days, the arbitrator shallmake his determination of which of the two Estimates most closely reflects the Prevailing Market rate, and such Estimate shall bebinding on both Landlord and Tenant as the Prevailing Market rate for the Premises for the purpose of determining Base Rent for theOption Term. If the arbitrator believes that expert advice would materially assist him, he may retain one or more qualified persons toprovide such expert advice. The parties shall share equally in the costs of the arbitrator and of any experts retained by thearbitrator. Any fees of any appraiser, counsel or experts engaged directly by Landlord or Tenant, however, shall be borne by theparty retaining such appraiser, counsel or expert.3. If the Prevailing Market rate has not been determined by the commencement of Tenant’s obligationto pay Base Rent and other charges payable under the Lease based upon such Prevailing Market rate, Tenant shall pay Base Rent upon the terms and conditions in effect during the lastmonth of the Term for the Premises until such time as the Prevailing Market rate has been determined. Upon such determination, theBase Rent for the Premises shall be retroactively adjusted to the commencement of the Option Term for the Premises.E. Extension Amendment . If Tenant is entitled to and properly exercises its Extension Option, Landlord shallprepare an amendment (the “ Extension Amendment ”) to reflect changes in the Base Rent, Term, Extended Termination Date asexpressly provided herein and other mutually agreeable appropriate terms. The Extension Amendment shall be sent to Tenant withina reasonable time after final determination of the Prevailing Market rate applicable during the Option Term, and if the terms andprovisions of the Extension Amendment are reasonably acceptable to Tenant, then Tenant shall execute and return the ExtensionAmendment to Landlord within fifteen (15) Business Days after Tenant’s receipt of same, but an otherwise valid exercise of theExtension Option shall be fully effective whether or not the Extension Amendment is executed.F. Prevailing Market . For purposes hereof, “ Prevailing Market ” shall mean the arms’ length fair marketannual rental rate per rentable square foot under direct leases entered into on or about the date as of which the Prevailing Market isbeing determined hereunder (i.e., in connection with the Tenant’s Extension Option, such date shall be the commencement of theOption Term, and in connection with Tenant’s Right of First Offer, such date shall be the Commencement Date with respect to theapplicable Offering Space) for space comparable to the Premises or the Offering Space, as applicable, in the Building and officebuildings comparable to the Building in the Kendall Square area of Cambridge, taking into account all relevant factors includingproximity to public transportation and retail amenities, and age and quality of finish. The determination of Prevailing Market shalltake into account all relevant factors including any material economic differences between the terms of this Lease and anycomparison lease or amendment, such as rent abatements, tenant improvements, construction costs and other concessions and themanner, if any, in which the landlord under any such lease is reimbursed for operating expenses and taxes.12. Right of First Offer . A. Grant of Option; Conditions . Tenant shall have a one-time (subject only to Section 12C below) right of firstoffer (the “ Right of First Offer ”) on 12,473 rentable square feet of office space on the tenth (10 th ) floor of the Building, shown as“Oglivy 12,473 RSF” on Exhibit B, Second Amendment , attached hereto and incorporated herein (such space being referred toherein as “ Offering Space ”). Tenant’s Right of First Offer shall be exercised as follows: at any time after Landlord hasdetermined that an existing tenant in the Offering Space will not extend, renew the term of its lease or enter into a new lease directlywith Landlord, for the entirety of the Offering Space (but prior to leasing the Offering Space to a party other than the existing tenant,subtenant or any party holding expansion rights to such space as of the Execution Date as provided in Subsection E below), Landlordshall advise Tenant (the “ Advice ”) of the terms under which Landlord is prepared to lease the Offering Space to Tenant, includingthe Base Rent, the base years for operating costs and taxes, Tenant’s improvement allowance, if any, renewal term and all otherterms. Tenant may lease the Offering Space under such terms, by delivering written notice of exercise to Landlord (the “ Notice of Exercise ”) within ten (10) Business Days after the date of theAdvice, except that Tenant shall have no such Right of First Offer and Landlord need not provide Tenant with an Advice, if:1. a Default of Tenant (as said term is defined in Section 18 of the Lease) exists at the time thatLandlord would otherwise deliver the Advice; or2. no more than twenty-five (25%) percent of the Premises is sublet (other than pursuant to a BusinessTransfer, as defined in Section 11 of the Lease) at the time Landlord would otherwise deliver the Advice; or3. the Lease has been assigned (other than pursuant to a Business Transfer, as defined in Section 11 ofthe Lease) prior to the date Landlord would otherwise deliver the Advice; or4. Tenant is not occupying more than seventy-five (75%) percent the Premises on the date Landlordwould otherwise deliver the Advice; or5. the existing tenant or subtenant in the Offering Space is interested in extending or renewing its leasefor the Offering Space or entering into a new lease for such Offering Space; or6. less than three (3) years remain in the Option Term (provided, however, that if, at the time thatLandlord would otherwise be required to give the Advice with respect to the Offering Space, Tenant’s right to exercise its ExtensionOption has not been waived or lapsed unexercised, then Landlord shall nevertheless give the Advice and Tenant may elect toexercise the Right of First Offer provided that, simultaneously with giving the Notice of Exercise, Tenant gives Landlord anExtension Notice under Section 11 of this Second Amendment). B. Terms for Offering Space .1. The term for the Offering Space shall commence upon the commencement date stated in the Adviceand expire on the Extended Termination Date (as it may be extended pursuant to Section 12.A.6 above) and during such period, theOffering Space shall be considered a part of the Premises, provided that all of the terms stated in the Advice shall govern Tenant’sleasing of the Offering Space and only to the extent that they do not conflict with the Advice, the terms and conditions of this Leaseshall apply to the Offering Space. 2. Tenant shall pay Base Rent and Additional Rent for the Offering Space in accordance with theterms and conditions of the Advice. 3. The Offering Space (including improvements and personalty, if any) shall be accepted by Tenant inits condition and as-built configuration existing on the earlier of the date Tenant takes possession of the Offering Space or as of thedate the term for the Offering Space commences, unless the Advice specifies any work to be performed by Landlord in the OfferingSpace, in which case Landlord shall perform such work in the Offering Space. If Landlord is delayed delivering possession of theOffering Space due to the holdover or unlawful possession of such space by any party, Landlord shall use reasonable efforts to obtainpossession of the space, including summary process, and the commencement of the term for the Offering Space and commencement of rent shallbe postponed until the date Landlord delivers possession of the Offering Space to Tenant free from occupancy by any party.C. Termination of Right of First Offer . The rights of Tenant hereunder with respect to the Offering Space shallterminate on the earlier to occur of: (i) Tenant’s failure to exercise its Right of First Offer within the ten-(10)-Business-Day periodprovided in Section A above; and (ii) the date Landlord would have provided Tenant an Advice if Tenant had not been in violation ofone or more of the conditions set forth in Section A above. Notwithstanding the foregoing, if Tenant fails to exercise its Right ofFirst Offer as set forth above and if Landlord (a) does not enter into a lease of the Offering Space with a party other than Tenantwithin twelve (12) months of the date of the Advice provided by Landlord with respect to the Offering Space, (b) intends to lease theOffering Space to a third party that is not the existing occupant of such space at a Net Effective Rent (defined below) that is less thanninety-five percent (95%) of the Net Effective Rent that would be payable under the original Advice, or (c) intends to lease theOffering Space to the existing occupant of such space at a Net Effective Rent that is less than ninety-two and one-half percent(92.5%) of the Net Effective Rent that would be payable under the original Advice, then, prior to offering to lease such OfferingSpace to a third party, Landlord shall again give Tenant an Advice and Tenant shall have a Right of First Offer with respect to suchOffering Space, subject to, and in accordance with the provisions of this Section 12.As used herein, the term “ Net Effective Rent ” shall mean the net present value (using the same discount factor in eachcase) of the aggregate consideration, determined on an average annual basis, payable to Landlord under the proposal at issue (i.e.,either the Advice or the offer to another party, as the case may be), taking into account all fixed base rent, additional rent, free rent,construction or other allowances, the cost of any work performed in the Offering Space by Landlord at its expense, the length oflease term, and all other relevant economic terms.D. Offering Amendment . If Tenant exercises its Right of First Offer, Landlord shall prepare an amendment (the“ Offering Amendment ”) adding the Offering Space to the Premises on the terms set forth in the Advice and reflecting the changesin the Base Rent, Rentable Square Footage of the Premises, Tenant’s Pro Rata Share, Parking Spaces, and other mutually agreeableappropriate terms. A copy of the Offering Amendment shall be sent to Tenant within a reasonable time after Landlord’s receipt ofthe Notice of Exercise executed by Tenant, and, if the terms and conditions of the Offering Amendment are reasonably acceptable toTenant, then Tenant shall execute and return the Offering Amendment to Landlord within fifteen (15) days thereafter, but anotherwise valid exercise of the Right of First Offer shall be fully effective whether or not the Offering Amendment is executed.E. Subordination . Notwithstanding anything herein to the contrary, Tenant’s Right of First Offer is subject andsubordinate to the expansion rights (whether such rights are designated as a right of first offer, right of first refusal, expansion optionor otherwise) of any tenant of the Building existing on the date hereof.13. Parking . Notwithstanding anything to the contrary set forth in the Lease, effective as of the first Rent CommencementDate of any Portion of the Second Amendment Premises to occur and continuing thereafter throughout the remainder of the Term ofthe Lease, Tenant shall have the right to use 0.9 parking spaces per 1,000 rentable square feet of the Existing Premises and each Portion of the SecondAmendment Premises for which the Rent Commencement Date has occurred (“ Tenant’s Parking Spaces ”). Tenant’s right to useTenant’s Parking Spaces shall be on a first-come, first-served basis at the then prevailing monthly parking rate, as adjusted from timeto time in accordance with the published rates applicable to all tenants of the Building. As of the Execution Date of this SecondAmendment, the current monthly rate is $280.00 per parking space per month.14. Security Deposit . Reference is made to the fact that Landlord is presently holding a Security Deposit in the amount of$304,475.00 (the “ Existing Security Deposit ”), of which (x) $125,345.00 is in the form of a letter of credit in accordance with theprovisions of Section 6 of the Lease (the “ Original Security Deposit ”) and (y) $179,130.00 is in the form of cash in accordancewith the provisions of Section 8 of the First Amendment (the “ First Amendment Security Deposit ”).At the time that Tenant executes and delivers this Second Amendment to Landlord, Tenant shall also deliver to Landlordan additional security deposit in the amount of $976,382.00 (the “ Second Amendment Security Deposit ”), which together with theExisting Security Deposit shall equal five (5) months payment of Monthly Base Rent for the Existing Premises and the SecondAmendment Premises, thereby increasing the Security Deposit to $1,280,857.00 (the “ Total Security Deposit ”). The TotalSecurity Deposit shall secure Tenant’s obligations under the Lease, as hereby amended, and shall be held by Landlord in accordancewith said Section 6 of the Lease, as amended by Section 8 of the First Amendment, and as amended herein. The Second AmendmentSecurity Deposit shall be in the form of cash or in the form of a letter of credit, whichever form Tenant elects. If Tenant elects todeliver the Second Amendment Security Deposit in the form of a letter of credit, then Tenant shall deliver either (i) a newirrevocable letter of credit in the amount of the $1,280,857.00 or (ii) an amendment to the existing Letter of Credit increasing theamount of the Original Security Deposit to be held by Landlord under Section 6 of the Lease by $976,382.00. Provided that no Default (as said term is defined in Section 18 of the Lease) by Tenant of any of its obligations under theLease occurs (i) at any time in the twelve-(12)-month period preceding the Reduction Date, as hereinafter defined, and (ii) on theReduction Date (the “ Reduction Conditions ”), Landlord shall reduce the amount of the Total Security Deposit to $1,024,686.00(i.e., four (4) months of Monthly Base Rent for the Existing Premises and the Second Amendment Premises) (the “ ReducedSecurity Deposit ”) effective as of the May 1, 2018 (the “ Reduction Date ”). The reduction in the Security Deposit shall be accomplished as follows: Tenant shall request such reduction in a writtennotice to Landlord, and if Landlord determines that the Reduction Conditions have been met, Landlord shall so notify Tenant withinfive (5) Business Days of receipt of such notice, whereupon, Landlord shall return the sum of $256,171.00 (the “ ReductionAmount ”) to Tenant in the following manner. To the extent Landlord is then holding a cash security deposit sufficient to return theentire Reduction Amount to Tenant, Landlord shall do so; if not, Landlord shall return to Tenant the cash security deposit Landlordis then holding, and the remaining balance of the Reduction Amount shall be effected by Tenant providing Landlord with an amendment to the then existing Letter of Credit reducing the Letter of Credit by the balance of theReduction Amount not paid in cash. Notwithstanding anything to the contrary contained herein, if Landlord declines to allow the reduction of the SecurityDeposit as of the Reduction Date by reason of Tenant’s failure to be in compliance with the Reduction Conditions, Tenant shall beentitled to such reduction of the Security Deposit if Tenant subsequently cures all outstanding defaults and, at the time that it curesall such defaults, Tenant then satisfies both Reduction Conditions.15. Subordination, Non-Disturbance, and Attornment Agreement . Landlord shall diligently use commercially reasonableefforts to obtain a subordination, non-disturbance and attornment agreement from Landlord’s current mortgagee on suchMortgagee’s current standard form of agreement, a copy of which is attached hereto as Exhibit D , and Tenant shall pay anyreasonable charges (including legal fees) required by such mortgagee as a condition to entering into such agreement. Upon requestof Landlord, Tenant will execute the existing Mortgagee’s form of non-disturbance, subordination and attornment agreement andreturn the same to Landlord for execution by the Mortgagee. Provided that Landlord uses commercially reasonable efforts asaforesaid, Landlord's failure to obtain a non-disturbance, subordination and attornment agreement for Tenant shall have no effect onthe rights, obligations and liabilities of Landlord and Tenant or be considered to be a Default by Landlord hereunder.In addition, as a condition precedent to the future subordination of this Lease to a future Mortgage, Landlord shall berequired to provide Tenant with a commercially reasonable subordination, non-disturbance, and attornment agreement in favor ofTenant from any Mortgagee who places a mortgage on the Property after the date of this Second Amendment. Such subordination,non-disturbance, and attornment agreement in favor of Tenant shall provide, inter alia , that, so long as Tenant is paying the Rent dueunder the Lease and is not otherwise in default under the Lease beyond any applicable cure period, its right to possession and theother terms of the Lease shall remain in full force and effect. 16. Inapplicable/Deleted Lease Provisions.A. Inapplicable Lease Provisions . The Base Rent Abatement Period set forth in Section 1.03, Section 3.03(Rent Abatement), Exhibit C (Work Letter) and Exhibit C-1 (Space Plans) of the Lease; the Expansion Premises A Rent Creditportion of Section 1.A, Section 3 (Landlord’s Work and Landlord’s Contribution), and Section 4 (Base Building) of the FirstAmendment shall have no applicability with respect to the Second Amendment Premises and this Second Amendment.B. Deleted Lease Provisions . Section 5 (Extension Option) and Section 6 (Right of First Offer) set forth in theFirst Amendment shall be deleted in their entireties and shall be of no further force and effect. 17. Broker . Landlord and Tenant warrant and represent that neither party has dealt with any broker in connection with theconsummation of this Second Amendment, other than Cushman & Wakefield and Transwestern (collectively, the “ Broker ”) and inthe event of any brokerage claims or liens, other than by Broker, against Landlord or Tenant or the Building predicated upon or arising out of prior dealings with Tenant and Landlord, Tenant and Landlord each agree to defend the same andindemnify and hold each other harmless against any such claim, and to discharge any such lien. Any commission due in connectionwith this Second Amendment shall be paid by Landlord pursuant to a separate agreement between Landlord and Broker.18. Monument Signage . Provided that: (i) no Default (as said term is defined in Section 18 of the Lease) has occurredhereunder and (ii) Tenant is occupying not less than 20,000 rentable square feet (collectively, the “ Monument Sign Conditions ”),Tenant shall have the right, at Tenant’s sole cost and expense, to install one (1) identification sign (the “ Monument Sign ”),consisting of the name and/or logo of Tenant, on each of the two existing monuments which serve the Building (and on anyreplacements thereof and/or on any additional monuments installed by Landlord), for the Term of the Lease, and any extensionsthereof, substantially in the form of the signage depicted on Exhibit C, Second Amendment attached hereto and made a parthereof. The Monument Sign shall be subject to the following conditions (“ Monument Sign Requirements ”): (a) said MonumentSign shall be in compliance with all applicable laws, codes and ordinances, (b) Tenant shall have obtained all governmental permitsand approvals required in connection therewith ( Landlord agreeing to cooperate with Tenant in obtaining any required governmentalapprovals for its signage, including executing any documents required by any permit granting authority for the Monument Sign), (c)the installation, maintenance and removal of such Monument Sign (including, without limitation, the repair and cleaning of theexisting monument façade upon removal of such Monument Sign) shall be performed by Tenant at Tenant’s sole cost and expense inaccordance with the terms and conditions governing maintenance, repair, and alterations pursuant to Section 9 of the Lease, and (d)said Monument Sign and all other signs on the Building’s monuments shall be subject to Landlord’s reasonableregulations. Notwithstanding the foregoing provisions of this Section 19 to the contrary, (i) within thirty (30) days after the date onwhich there occurs, and remains uncured, a failure of one or more Monument Sign Requirements or (ii) promptly upon the expirationor earlier termination of the Term of the Lease, Tenant shall, at Tenant’s cost and expense, remove the Monument Sign and restoreall damage to the monument caused by the installation and/or removal of such Monument Sign, which removal and restoration shallbe performed in accordance with the terms and conditions governing alterations pursuant to Section 9 of the Lease. The right to theMonument Sign granted pursuant to this Section 19 is personal to Tenant, and may not be exercised by any occupant, subtenant, orother assignee of Tenant, other than under a Business Transfer or to an Affiliate. Provided that Tenant has the right to install theMonument Sign prior to the Outside Requisition Date, Tenant shall have the right to apply Landlord’s Base Contribution towards thecost and installation of the Monument Sign. 19. Notice of Lease . Tenant shall not record the Lease or any memorandum without Landlord’s prior writtenconsent. Tenant, at its sole cost and expense, shall be entitled to record a memorandum or notice of lease or other short form lease(each deemed a “ notice of lease ” hereunder), subject to Landlord’s reasonable approval regarding the form and substance of thenotice of lease. Tenant shall record all necessary documentation to release such notice of lease of record within thirty (30) daysfollowing the earlier to occur of (i) the Extended Termination Date (as the same may be extended pursuant to Section 11 hereof forthe Option Term), or (ii) termination of the Lease or Tenant’s right to possession under the Lease. If Tenant fails to have such noticeof lease released within such thirty-(30)-day period, Landlord shall be entitled to take all action as is reasonably necessary to cause such notice of lease to be released. In such event, Tenant, within fifteen (15)days after demand, shall reimburse Landlord for any reasonable costs and expenses, including reasonable attorneys’ fees, incurred byLandlord in causing the notice of lease to be released of record.20. Miscellaneous . Capitalized terms used and not otherwise defined herein shall have the meanings ascribed to suchterms in the Lease. Except as amended hereby, the Lease is hereby ratified and confirmed.[Signatures on following page] EXECUTED under seal as of the date first above written. LANDLORD: JAMESTOWN PREMIER 245 FIRST, LLC,a Delaware limited liability company By: Name:/s/ Shegun Holder Title:Authorized Signatory TENANT: AKEBIA THERAPEUTICS, INC.,a Delaware corporation By: Name:/s/ John P. Butler Title:President and CEO By: Name:/s/ Jason A. Amello Title:Senior Vice President and CFO EXHIBIT A, SECOND AMENDMENTPLAN OF SPACE A (3,066 RSF—FLOOR 14)See attached. EXHIBIT A-1, SECOND AMENDMENTPLAN OF SPACE B (16,739 RSF—FLOOR 14)See attached. EXHIBIT A-2, SECOND AMENDMENTPLAN OF SPACE C (3,384 RSF—FLOOR 11)See attached. EXHIBIT B, SECOND AMENDMENTPLAN OF OFFERING SPACE CONTAINING 12,473 RSF ON FLOOR 10See attached.Exhibit B EXHIBIT C, SECOND AMENDMENTMONUMENT SIGNSee attached.Exhibit C EXHIBIT D, SECOND AMENDMENTFORM OF SUBORDINATION, NON-DISTURBANCE AND ATTORMENT AGREEMENTSee attached.D-1 SUBORDINATION, NON-DISTURBANCE AND ATTORNMENT AGREEMENTTHIS SUBORDINATION, NON-DISTURBANCE AND ATTORNMENT AGREEMENT (this "Agreement ") made as of this 24 day of November, 2015, by and among JAMESTOWN PREMIER 245 FIRST, LLC , aDelaware limited liability company (" Landlord "), CAPITAL ONE, NATIONAL ASSOCIATION , a national bankingassociation, as administrative agent for the lenders (as hereinafter defined) (in such capacity, " Administrative Agent "), andAKEBIA THERAPEUTICS INC. , a Delaware corporation (" Tenant ").RECITALS:A. Tenant has executed that certain Office Lease Agreement dated as of December 3, 2013, as amended by aFirst Amendment to Lease dated as of December 15, 2014, as further amended by a Second Amendment to Lease dated as ofNovember 23, 2015 (the foregoing, as amended and/or assigned, and as the same may be further amended and/or assigned, the "Lease "), with Landlord, as lessor, covering the premises described in the Lease consisting of two suites located on the eleventh (11th ) floor, consisting of 16,222 square feet and 3,384 square feet, and two suites located on the fourteenth (14 th ) floor, consisting of3,066 square feet and 16,739 square feet (collectively, the " Premises ") in that certain building 245 First Street and One AthenaeumWay, Cambridge, Massachusetts 02142 (the " Property ") and more particularly described in Exhibit A attached hereto and made apart hereof by this reference; andB. Certain lenders (the " Lenders ") have made (or agreed to make) a loan to Landlord secured by a mortgage ordeed of trust encumbering the Property and an assignment of Landlord's interest in the Lease (said mortgage or deed of trust andassignment of leases, together with any amendments, renewals, increases, modifications, substitutions or consolidations of either ofthem, collectively, the " Security Instrument ") in favor of Administrative Agent on behalf of the Lenders; andC. Tenant and Administrative Agent desire to confirm their understanding with respect to the Lease and theSecurity Instrument, and to have Landlord confirm its agreement therewith.NOW, THEREFORE , in consideration of the covenants, terms, conditions, and agreements contained herein,the parties hereto agree as follows:1. Subject to the terms and conditions contained in this Agreement, the Lease and any extensions, modificationsor renewals thereof, including but not limited to any option to purchase, right of first refusal to purchase or right of first offer topurchase the Property or any portion thereof, if any, is and shall continue to be subject and subordinate in all respects to the lien ofthe Security Instrument.2. Tenant agrees to deliver to Administrative Agent, in the manner set forth in Paragraph 13 of this Agreement, acopy of any notice of default sent to Landlord by Tenant. If, with respect to any default by Landlord which is the basis of a right byTenant to terminate the Lease, Landlord fails to cure such default within the time provided in the Lease, Administrative Agent shallhave the right, but not the obligation, to cure such default on behalf of Landlord within thirty (30) calendar days after the time provided for Landlord to cure such default in the Lease has expired or, if such defaultcannot be cured within that time, then, provided Administrative Agent is proceeding with due diligence to cure such default,Administrative Agent shall have an additional reasonable period to cure such default. In addition, Tenant shall not terminate theLease on the basis of any default by Landlord which is incurable by Administrative Agent (such as, for example, the bankruptcy ofLandlord or breach of any representation by Landlord), provided Administrative Agent is proceeding with due diligence tocommence an action to appoint a receiver or to obtain title to the Property by foreclosure, deed in lieu of foreclosure, or otherwise(collectively, " Foreclosure "). Tenant hereby agrees that no action taken by Administrative Agent to enforce any rights ofAdministrative Agent under the Security Instrument or related security documents, by reason of any default thereunder (including,without limitation, the appointment of a receiver, any Foreclosure or any demand for rent under any assignment of rents or leases)shall give rise to any right of Tenant to terminate the Lease nor shall such action invalidate or constitute a breach of any of the termsof the Lease.3. So long as Tenant is not in default after its receipt of written notice and the expiration of all applicable graceand cure periods under the Lease, Administrative Agent shall not disturb Tenant's possession, use and occupancy of the Premisesduring the term of the Lease or, subject to Section 5 below, adversely affect Tenants rights under the Lease more than a de minimisamount.4. If Administrative Agent or its nominee or designee, or another purchaser of the Property upon a Foreclosure(any such person or entity, a " Successor Owner ") succeeds to the interest of Landlord under the Lease, subject to Tenant'sperformance of its obligations under the Lease, the Lease will continue in full force and effect. Thereupon, Successor Owner shallrecognize the Lease and Tenant's rights thereunder and Tenant shall make full and complete attornment to Successor Owner assubstitute landlord upon the same terms, covenants and conditions as provided in the Lease, including, but not limited to, any optionto purchase, right of first refusal to purchase or right of first offer to purchase the Property as may be provided in theLease. Notwithstanding the foregoing, Tenant agrees that any such option, right of first refusal or right of first offer to purchase theProperty or any portion thereof, as may be provided in the Lease shall not apply to any Foreclosure and shall not apply to the initialtransfer of the Property by Successor Owner following such Foreclosure. In consideration of the foregoing, Administrative Agentagrees that any such option, right of first refusal or right of first offer shall not be terminated by any Foreclosure or conveyance ofthe Property by Successor Owner following such Foreclosure; rather, any such option, right of first refusal or right of first offer shallremain as an obligation of any party acquiring the Property following the initial conveyance of the Property by Successor Ownerfollowing such Foreclosure. Furthermore, Tenant expressly confirms to Administrative Agent that any acquisition of title to all orany portion of the Property pursuant to Tenant's exercise of any option, right of first refusal or right of first offer contained in theLease shall result in Tenant taking title subject to the lien of the Security Instrument.5. Tenant agrees that, if Successor Owner shall succeed to the interest of Landlord under the Lease, SuccessorOwner shall not be:(a) Subject to Section 6 below, liable for any prior act or omission of Landlord or any prior landlord orconsequential damages arising therefrom except to the extent that liability or damages accrue during a period in which Successor Owner has succeeded to Landlord, unless such prior act oromission is continuing in nature and Landlord has received prior written notice thereof; or(b) except as set forth in Sections 8D and 10D of the Second Amendment to Lease, subject to any offsets whichTenant might have as to Landlord or any prior landlord;(c) except as expressly set forth in the Lease, subject to any defenses which Tenant might have as to Landlord orany prior landlord; or(d) required or obligated to credit Tenant with any rent or additional rent for any rental period beyond the thencurrent month which Tenant has paid Landlord unless such sums are actually received by the Successor Owner; or(e) bound by any amendments or modifications of the Lease, each made without Administrative Agent's priorwritten consent, which consent shall not be unreasonably withheld, except that Administrative Agent’s consent to suchamendment or modification shall not be required if either: (x) such consent was not required pursuant to the LoanAgreement (as defined in the Security Instrument), or (y) such amendment or modification ratifies the exercise by Tenantof any right which Tenant has under the Lease (e.g., the right to extend the term of the Lease);(f) liable for refund of all or any part of any security deposit unless such security deposit shall have been actuallyreceived by Administrative Agent or Successor Owner;(g) required to make any repairs to the Property or the Premises required as a result of fire, or other casualty orby reason of condemnation unless the Successor Owner shall be obligated under the Lease to make such repairs and shallhave received sufficient casualty insurance proceeds or condemnation awards to finance the completion of such repairs;(h) obligated to complete any construction work required to be done by Landlord pursuant to the provisions ofthe Lease or to reimburse Tenant for any construction work done by Tenant, except for repairs, restoration andmaintenance to the Property required by the Lease to be performed by Landlord, the need for which continues after thedate the Successor Owner succeeds to Landlord’s interest in the Property; or(i) bound to make any payment to Tenant which was required under the Lease, or otherwise, to be made prior tothe time the Successor Owner succeeded to Landlord’s interest, provided however, that any Successor Owner shall berequired to recognize Tenant’s rights under Sections 8D and 10D of the Second Amendment to Lease.6. Notwithstanding anything to the contrary herein contained: (i) nothing herein shall relieve any SuccessorOwner from its obligations as party-Landlord arising from or after the date which is the earlier of the date that such Successor Ownertakes title to, or possession of, the Property (“ Succession Date ”); (ii) in no event shall any Successor Owner be relieved from anyobligation which Landlord has to perform repairs or maintenance which arises after the Succession Date based upon the fact that the need for such repairs or maintenance first arose prior to the Succession Date; and (iii)nothing herein shall delay or affect Tenant’s rights under Sections 8D or 10D of the Second Amendment to Lease (except thatneither Administrative Agent nor any Successor Owner shall have any obligation to reimburse Tenant for amounts due pursuant toeither Sections 8D or 10D of the Second Amendment to Lease or pay any amounts due from Landlord pursuant to Sections 8 or 10 ofthe Second Amendment).7. Tenant agrees that, without the prior written consent of Administrative Agent in each case (unlessAdministrative Agent’s consent thereto was not required pursuant to the Loan Agreement), Tenant shall not (a) amend or modify (theAdministrative Agent agreeing that it shall not unreasonably withhold its consent to any amendment or modification to the Lease andthat such consent shall not be required if such amendment or modification ratifies the exercise by Tenant of any right which Tenanthas under the Lease (e.g., the right to extend the term of the Lease), (b) terminate or cancel the Lease or any extensions or renewalsthereof, or tender a surrender of the Lease (except in each case that, upon a default by Landlord under the Lease, Tenant mayexercise its rights under the Lease after giving to Administrative Agent the notice and cure period required by this Agreement), (c)make a prepayment of any rent or additional rent more than one (1) month in advance of the due date thereof (other than firstmonth’s rent paid in advance), or (d) subordinate or permit the subordination of Lease to any lien subordinate to the SecurityInstrument. Any such purported action without such consent shall be void as against the holder of the Security Instrument.8. To the extent that the Lease shall entitle Tenant to notice of the existence of any Security Instrument and theidentity of any mortgagee or any ground lessor, this Agreement shall constitute such notice to Tenant with respect to the SecurityInstrument and Administrative Agent.9. Upon and after the occurrence of a default under the Security Instrument, which is not cured after anyapplicable notice and/or cure periods, Administrative Agent shall be entitled, but not obligated, to require that Tenant pay all rentunder the Lease as directed by Administrative Agent, which payment shall, to the extent made, satisfy the obligations of Tenantunder the Lease. Landlord agrees to hold Tenant harmless with respect to any such payments made by Tenant to AdministrativeAgent.10. Without limiting any of the forgoing provisions of this Agreement, nothing in this Agreement shall imposeupon Administrative Agent or any Lender any liability for the obligations of Landlord under the Lease unless and untilAdministrative Agent takes title to the Property. Anything herein or in the Lease to the contrary notwithstanding, in the event that aSuccessor Owner shall acquire title to the Property or the portion thereof containing the Premises, Successor Owner shall have noobligation, nor incur any liability, beyond Successor Owner's then interest, if any, in the Property, (including without limitation,insurance proceeds, condemnation proceeds and all gross revenue derived from the operation of the property) and Tenant shall lookexclusively to such interest, if any, of Successor Owner in the Property for the payment and discharge of any obligations imposedupon Successor Owner hereunder or under the Lease, and Successor Owner is hereby released or relieved of any other liabilityhereunder and under the Lease. Tenant agrees that, with respect to any money judgment which may be obtained or secured byTenant against Successor Owner, Tenant shall look solely to the estate or interest of Successor Owner in the Property as aforesaid, and Tenant will not collect or attempt to collect any such judgment out ofany other assets of Successor Owner.11. Except as specifically provided in this Agreement, Administrative Agent shall not, by virtue of thisAgreement, become subject to any liability or obligation to Tenant under the Lease.12. EACH OF TENANT, ADMINISTRATIVE AGENT AND LANDLORD HEREBY IRREVOCABLYWAIVE ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OFOR RELATING TO THIS AGREEMENT.13. The provisions of the Agreement shall be binding upon and inure to the benefit of the parties hereto and theirrespective successors and assigns. The words, "Administrative Agent", "Landlord" and "Tenant" shall include their respective heirs,legatees, executors, administrators, beneficiaries, successors and assigns.14. Any notice, communication, request, reply or advise in this Agreement provided or permitted to be given,made or accepted by either party to the other must be in writing, and unless it is otherwise in this Agreement expressly provided,may be given or be served by depositing the same in the United States mail, postpaid and registered or certified and addressed to theparty to be notified, with return receipt requested, or in person to the party to be notified. Notice shall be effective only if and whenreceived by the party to be notified for purposes of notice, the addresses of the parties shall be as follows (unless otherwise indicatedin writing): If to Administrative Agent:Capital One, National Association 90 Park Avenue, 4 th Floor New York, New York 10016 Attn: Commercial Real Estate Banking With a copy ofAdministrative Agent’s notices to:Morrison & Foerster LLP1290 Avenue of the AmericasNew York, New York 10104Attn: Jeffrey Temple, Esq. If to Tenant:Akebia Therapeutics, Inc.245 First Street, Suite 1100Cambridge, MA 02142Attn: John Butler With a copy ofTenant’s notices to: David L. WienerAnderson & Kreiger LLPOne Canal Place, Suite 200Cambridge, MA 02141 If to Landlord:c/o Jamestown PropertiesOne Overton Park, Suite 12003625 Cumberland BoulevardAtlanta, Georgia 30339Attn: Matt Bronfman With a copy ofLandlord’s notices to:Goulston & Storrs PC400 Atlantic AvenueBoston, Massachusetts 02110Attn: Barry D. Green, Esq. 15. This Agreement contains the entire agreement among the parties hereto and no modifications shall bebinding upon any party hereto unless set forth in a document duly executed by or on behalf of such party.16. This Agreement may be executed in multiple counterparts, all of which shall be deemed originals and withthe same effect as if all parties had signed the same document. All of such counterparts shall be construed together and shallconstitute one instrument.17. This Agreement shall be construed in accordance with the laws of the Commonwealth of Massachusetts.[No further text this page.] IN WITNESS WHEREOF , the parties hereto have duly executed this Agreement as of the day and year firstabove written. AKEBIA THERAPEUTICS, INC. By: /s/ John P. Butler Name: Title:President and CEO By: /s/ Jason A. Amello Name: Title:Senior Vice President and CFO COMMONWEALTH OF MASSACHUSETTSCOUNTY OF MiddlesexOn this 12 day of November, 2015, before me, the undersigned notary public, personally appeared Jason A. Amello, theSVP, CFO of AKEBIA THERAPEUTICS, INC., proved to me through satisfactory evidence of identification, which was ¨photographic identification with signature issued by a federal or state governmental agency, ¨ oath or affirmation of a crediblewitness, x personal knowledge of the undersigned, to be the person whose name is signed on the preceding page, andacknowledged to be that he/she signed it voluntary for its stated purpose and was his/her free act. /s/ Yolanda Baez GarciaNotary Public Signature and SealPrint Name:Yolanda Baez GarciaMy commission expires:July 9, 2021 COMMONWEALTH OF MASSACHUSETTSCOUNTY OF MiddlesexOn this 16 day of November, 2015, before me, the undersigned notary public, personally appeared John P Butler, thePresident and CEO of AKEBIA THERAPEUTICS, INC., proved to me through satisfactory evidence of identification, which was ¨photographic identification with signature issued by a federal or state governmental agency, ¨ oath or affirmation of a crediblewitness, x personal knowledge of the undersigned, to be the person whose name is signed on the preceding page, andacknowledged to be that he/she signed it voluntary for its stated purpose and was his/her free act. /s/ Yolanda Baez GarciaNotary Public Signature and SealPrint Name:Yolanda Baez GarciaMy commission expires:July 9, 2021 [Signatures continue on following page.] ADMINISTRATIVE AGENT: CAPITAL ONE, NATIONALASSOCIATION , as administrative agent By: /s/ Tina M. Morgan-Aziz Name:Tina M. Morgan-Aziz Title:Vice PresidentSTATE OF NEW YORKCOUNTY OF SuffolkOn this 7th day of November, 2015, before me, the undersigned notary public, personally appeared Tina M.Morgan-Aziz, the Vice President of CAPITAL ONE, NATIONAL ASSOCIATION, proved to me through satisfactory evidence ofidentification, which was ¨ photographic identification with signature issued by a federal or state governmental agency, ¨oath or affirmation of a credible witness, x personal knowledge of the undersigned, to be the person whose name is signed on thepreceding page, and acknowledged to be that he/she signed it voluntary for its stated purpose and was his/her free act. /s/ Joanne B. SmithNotary Public Signature and SealPrint Name:Joanne B. SmithMy commission expires:7/26/2016 [Signatures continue on following page.] Acknowledged and accepted by: JAMESTOWN PREMIER 245 FIRST, LLC , aDelaware limited liability company By: /s/ Shegun Holder Name: Title:Authorized Signatory STATE OF NY COUNTY OF NY On this 20th day of November, 2015, before me, the undersigned notary public, personally appeared ShegunHolder, VP Asset Management of JAMESTOWN PREMIER 245 FIRST, LLC, proved to me through satisfactory evidence ofidentification, which was x photographic identification with signature issued by a federal or state governmental agency, ¨oath or affirmation of a credible witness, ¨ personal knowledge of the undersigned, to be the person whose name is signed on thepreceding page, and acknowledged to be that he/she signed it voluntary for its stated purpose and was his/her free act. /s/ Kimberly Ann GoodgerNotary Public Signature and SealPrint Name:Kimberly Ann GoodgerMy commission expires:3/28/19 EXHIBIT ALegal Description of PropertyReal property in the City of Cambridge, County of Middlesex, State of Massachusetts, described as follows:245 FIRST STREETCAMBRIDGE, MASSACHUSETTSThe land in Cambridge, Middlesex County, Massachusetts, situated on First Street, and being shown as Lot B on a plan entitled,“Plan of Land in Cambridgeport Belonging to Henry M. Whitney” dated March 21, 1903, prepared by W.A. Mason & Son,Surveyors, and recorded with the Middlesex South District Registry of Deeds in Plan Book 142, Plan 37, to which plan reference ishereby made for a more particular description.Lot B contains 70,489+ square feet, according to said plan.Together with the benefit of the following easements: Agreement by and between Austin Ford and Son Company and The Carter’sInk Company dated June 27, 1908, recorded in Book 3378, Page 383. Exhibit 10.29CONFIDENTIALCOLLABORATION AGREEMENTBY AND BETWEENAKEBIA THERAPEUTICS, INC.ANDMITSUBISHI TANABE PHARMA CORPORATION [***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIALTABLE OF CONTENTS PageARTICLE I. DEFINITIONS 1 Section 1.01 “Affiliate” 1 Section 1.02 “Akebia Inventions” 1 Section 1.03 “Akebia Know-How” 2 Section 1.04 “Akebia Patents” 2 Section 1.05 “Akebia Reserved Dispute” 2 Section 1.06 “Akebia Technology” 2 Section 1.07 “Akebia Trademark” 2 Section 1.08 “API” 2 Section 1.09 “Business Day” 2 Section 1.10 “Commercialization” or “Commercialize” 2 Section 1.11 “Commercialization Plan” 2 Section 1.12 “Commercially Reasonable Efforts” 2 Section 1.13 “Confidential Information” 3 Section 1.14 “Controlled” 3 Section 1.15 “Cost of Goods Sold” or “COGS” 3 Section 1.16 “DD-CKD Indication” 3 Section 1.17 “Development” 3 Section 1.18 “Development Plan” 4 Section 1.19 “Distributor” 4 Section 1.20 “Dollars” or “$” 4 Section 1.21 “FDA” 4 Section 1.22 “FD&C Act” 4 Section 1.23 “Field” 4 Section 1.24 “First Commercial Sale” 4 Section 1.25 “Global Phase 3 DD-CKD Study” 4 Section 1.26 “Global Phase 3 NDD-CKD Study” 4 Section 1.27 “Global Phase 3 Program” 5 Section 1.28 “Good Clinical Practices” or “GCP” 5 Section 1.29 “Good Laboratory Practices” or “GLP” 5 Section 1.30 “Good Manufacturing Practices” or “GMP” 5 Section 1.31 “HIF Product” 5 Section 1.32 “Improvements” 5 Section 1.33 “IND” 5 Section 1.34 “Invention(s)” 5 Section 1.35 “Joint Inventions” 5 Section 1.36 “Joint Patents” 5 Section 1.37 “Joint Technology” 5 Section 1.38 “Know-How” 6 Section 1.39 “Launch Plan” 6 Section 1.40 “Licensee Inventions” 6 Section 1.41 “Licensee Know-How” 6i[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIAL Section 1.42 “Licensee Patents” 6 Section 1.43 “Licensee Reserved Dispute” 6 Section 1.44 “Licensee Technology” 6 Section 1.45 “Licensee Trademark” 6 Section 1.46 “Licensed Compound” 6 Section 1.47 “Licensed Product” 6 Section 1.48 “Medical Affairs” 6 Section 1.49 “MHLW” 6 Section 1.50 “NDA” 7 Section 1.51 “NDD-CKD Indication” 7 Section 1.52 “Net Sales” 7 Section 1.53 “Patents” 8 Section 1.54 “Phase 1 Trial” 8 Section 1.55 “Phase 2 Trial” 8 Section 1.56 “Phase 3 Trial” 8 Section 1.57 “PMDA” 8 Section 1.58 “Regulatory Approval” 8 Section 1.59 “Regulatory Authority” 8 Section 1.60 “Regulatory Filings” 9 Section 1.61 “Reimbursement Approval” 9 Section 1.62 “Safety Data Exchange Agreement” 9 Section 1.63 “sNDA” 9 Section 1.64 “Territory” 9 Section 1.65 “Third Party” 9 Section 1.66 “U.S.” 9 Section 1.67 “Valid Claim” 9 Section 1.68 Interpretation 11 ARTICLE II. LICENSES 12 Section 2.01 Grant of License 12 Section 2.02 Rights to Grant Sublicense 12 Section 2.03 No Other Rights and Retained Rights 12 Section 2.04 Knowledge Transfer 13 ARTICLE III. GOVERNANCE 13 Section 3.01 Formation and Purpose of JSC 13 Section 3.02 Membership 13 Section 3.03 Meetings 13 Section 3.04 Decision Making and JSC Dispute Resolution 14 Section 3.05 Meeting Agendas 14 Section 3.06 Additional Committees 14 Section 3.07 Interactions Between Committees and Internal Teams 14 Section 3.08 Specific Responsibilities of the JSC 14 Section 3.09 Alliance Managers 15ii[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIAL ARTICLE IV. DEVELOPMENT 16 Section 4.01 Development in the Territory 16 Section 4.02 Development Plan 16 Section 4.03 Development Reports 16 Section 4.04 Standards of Conduct 17 Section 4.05 Developmental Efforts 17 Section 4.06 Records 17 Section 4.07 Medical Affairs 17 ARTICLE V. REGULATORY 17 Section 5.01 Regulatory Filings 17 ARTICLE VI. COMMERCIALIZATION 18 Section 6.01 General 18 Section 6.02 Commercialization Reports 19 Section 6.03 Commercialization Efforts 19 Section 6.04 Standards of Conduct 19 Section 6.05 Trademarks and International Nonproprietary Name 19 ARTICLE VII. MANUFACTURING AND SUPPLY 20 Section 7.01 Manufacture and Supply of Licensed Products 20 Section 7.02 Supply Price 20 Section 7.03 Labeling 20 ARTICLE VIII. PAYMENTS 21 Section 8.01 Upfront License Fee 21 Section 8.02 Development Costs 21 Section 8.03 Milestone Payments 22 Section 8.04 Royalties 23 Section 8.05 Royalty Payments and Reports 24 Section 8.06 Accounting 24 Section 8.07 Currency Conversion 25 Section 8.08 Methods of Payment 25 Section 8.09 Taxes 25 Section 8.10 Late Payments 26 ARTICLE IX. OWNERSHIP OF INTELLECTUAL PROPERTY 26 Section 9.01 Akebia Intellectual Property 26 Section 9.02 Licensee Intellectual Property 26iii[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIAL Section 9.03 Joint Technology and Improvements 26 Section 9.04 Prosecution of Akebia Patents 27 Section 9.05 Prosecution of Licensee Patents Covering Improvements 27 Section 9.06 Prosecution of Joint Patents 28 Section 9.07 Enforcement and Defense 28 Section 9.08 Defense of Third Party Infringement Claims 29 Section 9.09 Patent Term Extensions 30 Section 9.10 Trademarks 30 ARTICLE X. INFORMATION AND ADVERSE DRUG EVENTS AND REPORTS 30 Section 10.01 Information 30 Section 10.02 Data Security 30 Section 10.03 Compliance 30 Section 10.04 Adverse Drug Events 31 ARTICLE XI. REPRESENTATIONS, WARRANTIES, AND COVENANTS 31 Section 11.01 Mutual Representations and Warranties 31 Section 11.02 Additional Akebia Warranties 32 Section 11.03 Additional Licensee Warranties 33 Section 11.04 Disclaimer 34 Section 11.05 Limitation of Liability 34 ARTICLE XII. CONFIDENTIALITY 35 Section 12.01 Generally 35 Section 12.02 Exceptions 35 Section 12.03 Publicity 36 Section 12.04 Publications 36 Section 12.05 Injunctive Relief 37 ARTICLE XIII. INDEMNIFICATION 37 Section 13.01 Indemnification by Akebia 37 Section 13.02 Indemnification by Licensee 37 Section 13.03 Procedure 38 Section 13.04 Insurance 38 ARTICLE XIV. TERM AND TERMINATION 38 Section 14.01 Term 38 Section 14.02 Termination for Breach 38 Section 14.03 Termination for Convenience 39 Section 14.04 Termination for Bankruptcy 39 Section 14.05 Effect of Termination by Akebia 39iv[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIAL Section 14.06 Effect of Termination by Licensee 40 Section 14.07 Survival; Accrued Rights 40 ARTICLE XV. DISPUTE RESOLUTION; GOVERNING LAW 41 Section 15.01 Executive Officers; Disputes 41 Section 15.02 Arbitration 41 Section 15.03 Choice of Law 42 ARTICLE XVI. MISCELLANEOUS 42 Section 16.01 Assignment 42 Section 16.02 Standstill 42 Section 16.03 Non-Competition 42 Section 16.04 Additional Collaboration 43 Section 16.05 Force Majeure 43 Section 16.06 Entire Agreement 43 Section 16.07 Severability 43 Section 16.08 Notices 43 Section 16.09 Further Assurances 44 Section 16.10 Agency 44 Section 16.11 No Waiver 44 Section 16.12 No Strict Construction 45 Section 16.13 Cumulative Remedies 45 Section 16.14 Counterparts 45 v[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIALCOLLABORATION AGREEMENTTHIS COLLABORATION AGREEMENT (this “ Agreement ”) is made and entered into as of December 11, 2015 (“Effective Date ”) between Akebia Therapeutics, Inc., a company organized and existing under the laws of the State of Delaware,United States of America with its principal offices at 245 First Street, Suite 1100, Cambridge, MA 02142, U.S.A. (“ Akebia ”), andMitsubishi Tanabe Pharma Corporation, a company organized and existing under the laws of Japan, with its principal offices at 3-2-10 Dosho-machi, Cho-ku, Osaka, Japan (“ Licensee ”).Akebia and Licensee may be referred to herein individually as a “ Party ” and collectively as the “ Parties ”.RECITALSWHEREAS , Akebia is the owner of, or otherwise controls, the Akebia Technology and the Licensed Compound and theLicensed Product in the Territory as defined below;WHEREAS , Licensee has expertise in the development of biopharmaceutical products and has regulatory andcommercial capabilities in the Territory, and is interested in obtaining an exclusive license to Develop and Commercialize theLicensed Compound and the Licensed Product in the Territory; and WHEREAS , the Parties desire to [***] for the Licensed Compound and the Licensed Product and collaborate to Developand Commercialize the Licensed Compound and the Licensed Product in the Territory, and Akebia wishes to grant Licensee anexclusive license to develop, use, sell, offer to sell and import the Licensed Compound and the Licensed Product in the Territory forthis purpose.NOW THEREFORE , the Parties agree as follows:ARTICLE I.DEFINITIONSSection 1.01 “ Affiliate ” means, with respect to an entity, any corporation or other business entity controlled by,controlling, or under common control with such entity, with “control” meaning direct or indirect beneficial ownership of at least fiftypercent (50%) of the voting stock of, or at least a fifty percent (50%) interest in the income of, the applicableentity. Notwithstanding the foregoing, “Affiliates” shall not include, with respect to an entity, bona fide venture capital investors insuch entity or bona fide institutional investors in such entity, which institutional investors routinely make venture capital investmentsfor the potential financial return on such investments and not with any view to acquisition or for any other strategic purpose, orAffiliates of such venture capital or institutional investors.Section 1.02 “ Akebia Inventions ” means all Inventions that (a) are made prior to or during the Term by one or moreemployees of Akebia or any Affiliate of Akebia, or persons contractually required to assign or license patent rights covering suchInventions to Akebia or any Affiliate of Akebia, and (b) are not Joint Inventions. [***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 1.03 “ Akebia Know-How ” means all Know-How that is both (a) Controlled as of the Effective Date and duringthe Term by Akebia or any of its Affiliates; and (b) [***]; or (ii) [***]. For the avoidance of doubt, Akebia Know-How shall includeany Know-How developed during the Global Phase 3 Program.Section 1.04 “ Akebia Patents ” means all Patents (including any Joint Patents) that both (a) are Controlled as of theEffective Date or during the Term by Akebia or any of its Affiliates in the Territory, and (b) cover a Licensed Compound or aLicensed Product or their respective Development, manufacture, use, design, registration, offer for sale, sale or importation. AllAkebia Patents as of the Effective Date are listed in Exhibit A.Section 1.05 “ Akebia Reserved Dispute ” means any dispute with respect to the [***] including any decision that [***]including, without limitation, decisions regarding any [***] of the Licensed Compound or Licensed Product or the [***] of theLicensed Compound or Licensed Product in the Territory. Notwithstanding the foregoing, once the Joint Steering Committee hasdetermined to [***] any dispute relating to the [***].Section 1.06 “ Akebia Technology ” means Akebia Know-How and Akebia Patents.Section 1.07 “ Akebia Trademark ” means one or more trademarks selected by Akebia or its licensees under which (i)Akebia or its licensees will market any Licensed Product outside the Territory and/or (ii) Licensee will Commercialize the LicensedProduct inside the Territory if the global brand name is used in accordance with Section 6.05 (Trademarks and InternationalNonproprietary Name) hereof, as well as the trademarks for the Akebia company name and logo, and all trademark registrations andapplications therefor, and all goodwill associated therewith.Section 1.08 “ API ” means active pharmaceutical ingredient, which is also commonly referred to as drug substance. Forthe avoidance of doubt, API shall include any prodrug form.Section 1.09 “ Business Day ” means a calendar day in which the corporate headquarters of both Akebia and Licensee areopen for business.Section 1.10 “ Commercialization ” or “ Commercialize ” means, with respect to a Licensed Product or a CombinationProduct or Bundled Product, any and all activities directed to the marketing, promotion, distribution, offering for sale, and sale ofsuch Licensed Product, Combination Product, or Bundled Product in the Territory, and interacting with Regulatory Authoritiesregarding the foregoing.Section 1.11 “ Commercialization Plan ” means the annual plan for Commercialization of the Licensed Product,Combination Product and/or Bundled Product in the Territory by Licensee and the activities to be conducted by Licensee relatingthereto including, without limitation, detailed plans for sales and marketing after launch.Section 1.12 “ Commercially Reasonable Efforts ” means, with respect to the Development and/or Commercializationof a Licensed Compound or Licensed Product, those efforts and resources, including reasonably necessary personnel, equivalent tothe efforts that a research-based biopharmaceutical company would typically devote to a product of similar market potential, profitpotential and strategic value and at a comparable stage in development or2[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.product life to such Licensed Product, based on conditions then prevailing and taking into account issues of safety and efficacy,product profile, difficulty in developing the Licensed Product, competitiveness of alternative Third Party products in themarketplace, the patent or other proprietary position of the Licensed Product, the regulatory structure involved and the potentialprofitability of the Licensed Product marketed or to be marketed.Section 1.13 “ Confidential Information ” means Know-How and any technical, scientific, trade, research,manufacturing, business, financial, marketing, product, supplier, intellectual property and other information that may be disclosed byone Party to the other Party, regardless of whether such information is specifically designated as confidential and regardless ofwhether such information is in written, oral, electronic, or other form. Section 1.14 “ Controlled ” means, with respect to a Party or its Affiliate, and any Know-How, Patent or other intellectualproperty right, that such Party or Affiliate, as the case may be, owns or has a license to such intellectual property right and has theability to grant to the other Party a license or sublicense to, or a right of access with respect to, such Know-How, Patent or otherintellectual property right without violating the terms of any pre-existing agreement or other pre-existing arrangements with anyThird Party.Section 1.15 “ Cost of Goods Sold ” or “ COGS ” means the fully burdened cost of all direct materials and labor andfully allocated manufacturing overhead directly attributable to the manufacture, storage, packaging, and shipping of a LicensedProduct, calculated in accordance with U.S. GAAP and Akebia’s or its suppliers’, as applicable, then-prevailing standard procedurefor calculating COGS as reflected in Akebia’s or its suppliers’, as applicable, audited financial statements. COGS includes, withoutlimitation, all bulk API, work in process (where applicable) and transfer prices paid by Akebia, Licensed Product testing and yieldloss costs, quality control, quality assurance, or other testing of Licensed Products, together with all reasonably allocated indirectcosts and overhead applicable to manufacturing of Licensed Product, quality control or technical operations functions, less costs ofgoods returned in accordance with Akebia’s, or its suppliers’, return policy.Section 1.16 “ DD-CKD Indication ” means the treatment of anemia in dialysis patients with chronic kidney disease.Section 1.17 “ Development ” means all internal and external research, development and regulatory activities regarding aLicensed Compound and Licensed Product, as the case may be. This includes (a) research, preclinical testing, toxicology, route ofsynthesis, non-clinical activities, formulation and clinical studies of Licensed Compound and Licensed Product; and (b) preparation,submission, review, and development of data or information for the purpose of submission to a governmental authority to obtainauthorization to conduct clinical trials and Regulatory Approval of Licensed Product. Development shall include development andregulatory activities for additional forms, formulations, or indications for a Licensed Product after Regulatory Approval of suchLicensed Product, including clinical trials initiated following receipt of Regulatory Approval or any clinical trial to be conductedafter a Regulatory Approval which was mandated by the applicable Regulatory Authority as a condition of such RegulatoryApproval with respect to an approved indication. “Develop”, “Developing” and “Developed” shall be construed accordingly.3[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 1.18 “ Development Plan ” means the plan setting out activities to be undertaken by Licensee and Akebia, andtheir Affiliates, licensees and sublicensees, in Developing the Licensed Compound and Licensed Product together with timelines and,in the [***], budgets, for such activities including, without limitation, the proposed clinical trials, regulatory plans, andmanufacturing plans as well as outlining the key elements involved in obtaining Regulatory Approval in the Territory.Section 1.19 “ Distributor ” means any Third Party appointed by Licensee or its Affiliates to distribute, market, offer forsale and/or sell the Licensed Product in the Territory.Section 1.20 “ Dollars ” or “ $ ” means the legal tender of the U.S.Section 1.21 “ FDA ” means the U.S. Food and Drug Administration or any successor agency thereto.Section 1.22 “ FD&C Act ” means the U.S. Federal Food, Drug, and Cosmetic Act, 21 U.S.C. § 301 et seq., as amendedfrom time to time.Section 1.23 “ Field ” means the treatment, prevention and/or diagnosis of any diseases or conditions in humans,including, but not limited to, anemia.Section 1.24 “ First Commercial Sale ” means, for each Licensed Product in the Territory, the first sale for end use orconsumption to a Third Party of such Licensed Product in the Territory by Licensee, its Affiliate or its permitted sublicensee after thegranting of Regulatory Approval in the Field for such Licensed Product by the relevant Regulatory Authorities. First CommercialSale excludes any sale or other distribution for use in a clinical trial or other Development activity, or for compassionate or named-patient use.Section 1.25 “ Global Phase 3 DD-CKD Study ” means the Phase 3 global clinical studies for the DD-CKD Indication,known informally as the INNO 2 VATE study, consisting of a conversion study and a correction study, and known formally as the“Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety of Oral Vadadustat Compared toEpoetin Alfa in the Maintenance Treatment of Anemia of CKD in Subjects with Dialysis-Dependent Chronic Kidney Disease (INNO2 VATE – Conversion)” and the “Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety ofOral Vadadustat for the Correction of Anemia in Subjects with Incident Dialysis-Dependent Chronic Kidney Disease (INNO 2VATE – Correction)”.Section 1.26 “ Global Phase 3 NDD-CKD Study ” means the Phase 3 global clinical studies for the NDD-CKDIndication, known informally as the PRO 2 TECT study, consisting of a conversion study and a correction study, and known formallyas the “Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety of Oral Vadadustat for theMaintenance Treatment of Anemia in Subjects with Non-Dialysis Dependent Chronic Kidney Disease (PRO 2 TECT – Conversion)”and the “Phase 3, Randomized, Open-Label, Active-Controlled Study Evaluating the Efficacy and Safety of Oral Vadadustat for theCorrection of Anemia in Subjects with Non-Dialysis-Dependent Chronic Kidney Disease (PRO 2 TECT – Correction)”.4[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 1.27 “ Global Phase 3 Program ” means the Global Phase 3 NDD-CKD Study and the Global Phase 3 DD-CKDStudy collectively, as well as any other studies that (i) generate data required to obtain Regulatory Approval of the Licensed Productboth inside and outside of the Territory and that (ii) are approved by the JSC .Section 1.28 “ Good Clinical Practices ” or “ GCP ” means the then-current good clinical practice standards, practices,and procedures promulgated or endorsed by the applicable Regulatory Authority as set forth in the guidelines imposed by suchRegulatory Authority, as may be updated from time to time.Section 1.29 “ Good Laboratory Practices ” or “ GLP ” means the then-current good laboratory practice standards,practices, and procedures promulgated or endorsed by the applicable Regulatory Authority as set forth in the guidelines imposed bysuch Regulatory Authority, as may be updated from time to time.Section 1.30 “ Good Manufacturing Practices ” or “ GMP ” means the then-current good manufacturing practicesrequired by the applicable Regulatory Authority, including the MHLW and PMDA or, solely for Akebia’s obligations, covenants,and representations under this Agreement, by the FDA.Section 1.31 “ HIF Product ” means any product or product candidate that is a hypoxia inducible factor (“HIF”) prolylhydroxylase inhibitor for the treatment of anemia related to chronic kidney disease. For the avoidance of doubt, “HIF Product” shallinclude, without limitation, [***] and the Licensed Product.Section 1.32 “ Improvements ” Section 1.01 means all Inventions or Know-How relating to, arising from the use of, orincluding the Licensed Compound or Licensed Product or their respective Development, manufacture, use, design, registration, offerfor sale, sale or importation that are made during the Term solely by one or more employees of Licensee or any Affiliate of Licensee,or persons contractually required to assign or license patent rights covering such Inventions to Licensee or any Affiliate of Licensee.Section 1.33 “ IND ” means an Investigational New Drug application for submission to the FDA or its equivalent in theTerritory.Section 1.34 “ Invention(s) ” means any process, method, composition of matter, article of manufacture, discovery orfinding that is conceived and/or reduced to practice (whether or not patentable).Section 1.35 “ Joint Inventions ” means any Inventions that are jointly made during the Term by at least one(1) employee of Akebia or its Affiliate or person contractually required to assign or license patent rights covering such inventions toAkebia and at least one (1) employee of Licensee or its Affiliate or person contractually required to assign or license patent rightscovering such inventions to Licensee.Section 1.36 “ Joint Patents ” means all Patents claiming Joint Inventions.Section 1.37 “ Joint Technology ” means Joint Inventions and Joint Patents.5[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 1.38 “ Know-How ” means Inventions, discoveries, trade secrets, information, experience, data, formulas,procedures, technology and results (whether or not patentable), including discoveries, formulae, practices, methods, knowledge,know-how, processes, experience and test data (including physical, chemical, biological, toxicological, pharmacological, clinical andveterinary data), dosage regimens, control assays, product specifications, analytical and quality control data, marketing, pricing,distribution cost and sales data or descriptions.Section 1.39 “ Launch Plan” means the strategic plan for the Licensed Product which details the activities to beconducted prior to launch, plans for launch, and activities to be conducted after launch.Section 1.40 “ Licensee Inventions ” means all Inventions that (a) are made during the Term by one or more employeesof Licensee or any Affiliate of Licensee, or persons contractually required to assign or license patent rights covering such Inventionsto Licensee or any Affiliate of Licensee, and (b) are not Joint Inventions.Section 1.41 “ Licensee Know-How ” means all Know-How that is both (a) Controlled as of the Effective Date or duringthe Term by Licensee or any of its Affiliates in the Territory, and (b) is either (i) [***] or (ii) [***]. For the avoidance of doubt,Licensee Know-How shall include any Know-How developed during pre-clinical or clinical studies conducted by Licensee in theTerritory.Section 1.42 “ Licensee Patents ” means all Patents (excluding any Joint Patents) that are Controlled as of the EffectiveDate or during the Term by Licensee or any of its Affiliates.Section 1.43 “ Licensee Reserved Dispute ” means any dispute with respect to the [***] and as set forth in the lastsentence of Section 1.05 (Akebia Reserved Dispute) hereof.Section 1.44 “ Licensee Technology ” means Licensee Know-How and Licensee Patents.Section 1.45 “ Licensee Trademark” means, if the global brand name selected by Akebia for the Licensed Productcannot be used in the Territory pursuant to Section 6.05 ( Trademarks and International Nonproprietary Name ) hereof, thetrademarks approved by the JSC under which Licensee, its Affiliates or its sublicensees will market such Licensed Product in theTerritory in the Field, and all trademark registrations and applications therefor, and all goodwill associated therewith.Section 1.46 “ Licensed Compound ” means vadadustat, formerly known as AKB-6548.Section 1.47 “ Licensed Product ” means any pharmaceutical product, drug product, preparation, formulation, or dosageform that has the Licensed Compound as at least one API.Section 1.48 “ Medical Affairs ” means communications with key opinion leaders, medical education, symposia andother medical programs and communications.Section 1.49 “ MHLW ” means the Ministry of Health, Labor and Welfare, otherwise referred to as “Koro-Sho,” or anysuccessor thereto.6[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 1.50 “ NDA ” means a New Drug Application or its equivalent for submission to the FDA or its equivalent in theTerritory.Section 1.51 “ NDD-CKD Indication ” means the treatment of anemia in non-dialysis patients with chronic kidneydisease.Section 1.52 “ Net Sales ” means the gross invoice price of Licensed Product sold or otherwise transferred to a ThirdParty by Licensee, its Affiliates or sublicensees (each, a “ Seller ”) to independent Third Parties for consideration, reduced by thefollowing amounts to the extent such items are customary under industry practices and to the extent such amounts are included in thegross invoiced sales price:(a) trade, cash and quantity discounts actually allowed and taken directly with respect to such sales or transfers, andinventory management fees paid to wholesalers and reasonably allocated to such Licensed Product;(b) tariffs, duties, excises, value added tax and other sales taxes imposed upon and paid with respect to the sale,transportation, delivery, use, exportation, or importation of such Licensed Product (which does not include income, withholding orsimilar taxes);(c) amounts actually repaid or credited upon returns, rejections, defects, recalls (due to spoilage, damage, expiration ofuseful life), price adjustments, billing errors, or trial prescriptions;(d) invoiced freight, shipping, and insurance expenses specific to the Licensed Product and allocated accordingly;(e) invoiced amounts that are written off as uncollectible in accordance with Seller’s accounting policies, as consistentlyapplied;(f) allowances or credits to customers on account of price reductions affecting the Licensed Product;(g) rebates, discounts, or charge-backs actually paid or credited to any governmental agency (or branch of government) orto any Third Party payor, administrator or contractee; and(h) discounts actually paid under state-legislated or Seller-sponsored discount prescription drug programs or reductions orcoupon and voucher programs.If Seller receives [***] Net Sales for such Licensed Product sold or otherwise transferred.In the event a Licensed Product is sold as part of a Combination Product, the Net Sales from the Combination Product, forthe purposes of determining royalty payments, shall be determined by [***], in each case during the applicable royalty reportingperiod or, [***]. For purposes of this paragraph, a “ Combination Product ” means any prescription pharmaceutical product whichcomprises two (2) or more APIs, at least one (1) of which is the Licensed Compound.7[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.If a Licensed Product is sold as part of a Bundled Product, the Seller [***] of the Licensed Product included in such[***]. For purposes of this paragraph, “ Bundled Product ” means products (including one or more Licensed Product) that areeither (A) packaged together for sale or shipment as a single unit or sold at a single price or (B) marketed or sold collectively as asingle product.Section 1.53 “ Patents ” means (a) all patents and patent applications in any country or jurisdiction in the Territory, and(b) any substitutions, divisions, continuations, continuations-in-part, reissues, renewals, registrations, confirmations, re-examinations, extensions, supplementary protection certificates and the like.Section 1.54 “ Phase 1 Trial ” means a human clinical trial of a Licensed Product that would satisfy the requirements of21 C.F.R. Part 312.21(a) (as amended from time to time) or other comparable regulation imposed by an applicable RegulatoryAuthority in any country other than the United States, the principal purposes of which are to (a) determine the pharmacokinetics,metabolism, and pharmacologic actions of the drug in humans, (b) determine the side effects associated with increasing doses, and(c) if possible, gain early evidence of effectiveness to permit the design of well-controlled, scientifically valid, Phase 2 trials. APhase 1 Trial shall be deemed initiated upon the enrollment of the first subject.Section 1.55 “ Phase 2 Trial ” means a human clinical trial of a Licensed Product that would satisfy the requirements of21 C.F.R. Part 312.21(b) (as amended from time to time) or other comparable regulation imposed by an applicable RegulatoryAuthority in any country other than the United States, the principal purposes of which are to evaluate the effectiveness of the drugfor a particular indication or indications in patients with the disease or condition under study, and to determine the common short-term side effects and risks associated with the drug. A Phase 2 Trial shall be deemed initiated upon the enrollment of the firstsubject.Section 1.56 “ Phase 3 Trial ” means a human clinical trial of a Licensed Product that would satisfy the requirements of21 C.F.R. Part 312.21(c) (as amended from time to time) or other comparable regulation imposed by an applicable RegulatoryAuthority in any country other than the United States, the principal purposes of which are to gather the additional information abouteffectiveness and safety that is needed to evaluate the overall benefit-risk relationship of the drug and to provide an adequate basisfor physician labeling. A Phase 3 Trial shall be deemed initiated upon the enrollment of the first subject.Section 1.57 “ PMDA ” means the Pharmaceuticals and Medical Devices Agency in Japan or any successor thereto, whichconducts scientific reviews of marketing authorization application for pharmaceuticals and monitoring of their post-marketing safetyin Japan.Section 1.58 “ Regulatory Approval ” means, with respect to a particular regulatory jurisdiction, all approvals (other thanReimbursement Approvals), product and/or establishment licenses, registrations or authorizations of any Regulatory Authoritynecessary for the commercial sale of a Licensed Product in such regulatory jurisdiction.Section 1.59 “ Regulatory Authority ” means, in a particular country or jurisdiction, any applicable governmentalauthority involved in granting Regulatory Approval in such country or8[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.jurisdiction, including without limitation (a) in the United States, the FDA and any other applicable governmental authority in theUnited States having jurisdiction of the Licensed Product, (b) in Europe, the European Medicines Agency (“ EMA ”), and (c) in theTerritory, the MHLW, PMDA, and any other applicable governmental authority in the Territory having jurisdiction over theLicensed Product.Section 1.60 “ Regulatory Filings ” means all applications, filings, dossiers and the like submitted to a RegulatoryAuthority for the purpose of obtaining Regulatory Approval from that Regulatory Authority. Regulatory Filings shall include, butnot be limited to, all INDs, NDAs and other Regulatory Approval applications and their equivalents in the Territory.Section 1.61 “ Reimbursement Approval ” means an approval, agreement, determination, or other decision by theapplicable governmental authority and/or Regulatory Authority that establishes prices at which the Licensed Product will bereimbursed by the governmental authorities and/or Regulatory Authorities in the Territory.Section 1.62 “ Safety Data Exchange Agreement ” means that agreement regarding receipt, investigation and reportingof product complaints, adverse events, product recalls, and any other information related to the safety of the Licensed Product as setforth in Section 10.04 ( Adverse Drug Events ) hereof.Section 1.63 “ sNDA ” means supplemental New Drug Application or additional application for a previous New DrugApplication (for example, seeking approval for a new indication) or its equivalent, for submission to Regulatory Authorities in theTerritory.Section 1.64 “ Territory ” means Japan, Taiwan, Indonesia, East Timor, South Korea, Mongolia, the Philippines,Vietnam, Laos, Cambodia, Thailand, Malaysia, Singapore, Burney, Myanmar, Nepal, Sri Lanka, Bangladesh, Bhutan, Maldives,Palau, Tonga and India, and their territories and possessions.Section 1.65 “ Third Party ” means any person or entity other than a Party or its Affiliates.Section 1.66 “ U.S .” means the United States of America.Section 1.67 “ Valid Claim ” means a claim in any Akebia Patent in the Territory, which claim has not been held invalidor unenforceable by a non-appealed or un‑appealable decision of a court or government agency or other appropriate body ofcompetent jurisdiction and has not been admitted invalid or unenforceable through reissue, reexamination or disclaimer, or has notbeen made unenforceable due to failure to pay maintenance fees. Additional Defined Terms SectionAgreement PreambleAlliance Manager 3.09Akebia PreambleAkebia Indemnitees 13.02Akebia Regulatory Documents 5.01(b)9[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Additional Defined Terms SectionArbitration Request 15.02(a)Bankruptcy Code 14.04Bankrupt Party 14.04Breaching Party 14.02Bundled Product 1.52(h)Clinical Data 5.01(b)CMC 5.01(b)Combination Product 1.52(h)Competing Product 16.03Development Cost Pre-Payment 8.02(e)Developing Party 4.02Effective Date PreambleEMA 1.59Event of Bankruptcy 14.04FCPA 11.03(b)(i)Form 3 8.01Form 17 8.01Form 6166 8.01Generic Product 8.04(d)Government Official 11.03(a)(i)[***] [***]HIF 1.31ICH 10.03Information 10.01Indemnified Party 13.03Indemnifying Party 13.03Joint Publication Plan 12.04JPC 10.03JSC 3.01Lead Co-Chairperson 3.02Licensed Rights 2.01(ii)Licensee PreambleLicensee Indemnitees 13.01Licensee Regulatory Documents 5.01(b)[***] [***]Losses 13.01Non-Breaching Party 14.02Other Covered Party 11.03(a)(ii)Other Party 14.04Party or Parties PreambleParty Vote 3.04Recipient 12.02Royalty Term 8.04(b)Seller 1.52Sub-Committee 3.0610[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Additional Defined Terms SectionSupply Price 7.02Tax Forms 8.01Term 14.01Withholding Tax Avoidance Documents 8.09Withholding Party 8.09 Section 1.68 Interpretation . (a) Whenever any provision of this Agreement uses the term “including” (or “includes”),such term shall be deemed to mean “including without limitation” and “including but not limited to” (or “includes withoutlimitations” and “includes but is not limited to”) regardless of whether the words “without limitation” or “but not limited to” actuallyfollow the term “including” (or “includes”); (b) “herein,” “hereby,” “hereunder,” “hereof” and other equivalent words shall refer tothis Agreement in its entirety and not solely to the particular portion of this Agreement in which any such word is used; (c) alldefinitions set forth herein shall be deemed applicable whether the words defined are used herein in the singular or the plural;(d) wherever used herein, any pronoun or pronouns shall be deemed to include both the singular and plural and to cover all genders;(e) the recitals set forth at the start of this Agreement, along with the schedules and the exhibits to this Agreement, and the terms andconditions incorporated in such recitals and schedules and exhibits shall be deemed integral parts of this Agreement and allreferences in this Agreement to this Agreement shall encompass such recitals and schedules and exhibits and the terms andconditions incorporated in such recitals and schedules and exhibits; provided, that in the event of any conflict between the terms andconditions of this Agreement and any terms and conditions set forth in the recitals, schedules or exhibits, the terms of this Agreementshall control; (f) in the event of any conflict between the terms and conditions of this Agreement and any terms and conditions thatmay be set forth on any order, invoice, verbal agreement or otherwise, the terms and conditions of this Agreement shall govern;(g) this Agreement shall be construed as if both Parties drafted it jointly, and shall not be construed against either Party as principaldrafter; (h) unless otherwise provided, all references to Sections, Articles and Schedules in this Agreement are to Sections, Articlesand Schedules of and to this Agreement; (i) any reference to any federal, national, state, local or foreign statute or law shall bedeemed to also refer to all rules and regulations promulgated thereunder, unless the context requires otherwise; (j) wherever used, theword “shall” and the word “will” are each understood to be imperative or mandatory in nature and are interchangeable with oneanother; (k) references to a particular person include such person’s successors and assigns to the extent not prohibited by thisAgreement; (l) references to Akebia’s knowledge shall be taken to refer to the knowledge of Akebia’s senior management team as ofthe Effective Date having made no particular inquiry; and (m) the captions used herein are inserted for convenience of reference onlyand shall not be construed to create obligations, benefits or limitations.11[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.ARTICLE II.LICENSESSection 2.01 Grant of License . Subject to the terms and conditions of this Agreement, Akebia hereby grants to Licensee,during the Term;(i) an exclusive, royalty-bearing license under Akebia Technology and Joint Technology to research, Develop, use, import,offer for sale, and sell the Licensed Compounds and Licensed Products in the Field in the Territory during the Term of thisAgreement; and(ii) a non-exclusive, royalty-bearing license under Akebia Technology and Joint Technology to make and have made theLicensed Compounds and Licensed Products for the purpose of exercising Licensee’s foregoing rights (collectively, the “ LicensedRights ”); provided, however , that Licensee may only exercise its right to make and have made Licensed Compounds and LicensedProducts in accordance with Section 7.01 ( Manufacture and Supply of Licensed Products ) hereof.Section 2.02 Rights to Grant Sublicense . Subject to the terms and conditions of this Agreement, upon Akebia’s writtenconsent, not to be unreasonably withheld or delayed, Licensee shall have the right to enter into one or more sublicenses under thisAgreement with Third Party/ies to research, Develop, use, make, have made, import, offer for sale, and sell the Licensed Compoundsand the Licensed Products in the Field in the Territory during the Term of this Agreement; provided, however, that Licensee mayonly sublicense its right to make and have made Licensed Compounds and Licensed Products in accordance with Section 7.01 (Manufacture and Supply of Licensed Products ); provided further, however , that Licensee shall have the right to sublicense to itsAffiliates without Akebia’s consent after providing prior written notification to Akebia identifying Licensee’s intention to grant suchsublicense, the purpose of such sublicense, and the Affiliate of Licensee to whom Licensee intends to grant such sublicense. Allpermitted sublicensees shall hold their rights contingent on the Licensed Rights under this Agreement. Any loss by Licensee of itsrights under this Agreement due to an early termination of this Agreement for Licensee’s breach, pursuant to Article XIV ( Termand Termination ), or due to any other reason shall automatically cause all of the permitted sublicensees to lose the same rightsunder any sublicense. Unless otherwise agreed by Akebia , each sublicense shall require the permitted sublicensee’s management tocommunicate its plan for the Development and Commercialization of the Licensed Product and implement processes for consistentcommunication and coordination between the sublicensee and Akebia during the term of the sublicense. Licensee agrees that it shallbe fully responsible and liable for any breach of the terms of this Agreement by any of its permitted sublicensees to the same extentas if Licensee itself has committed any such breach.Section 2.03 No Other Rights and Retained Rights . Nothing in this Agreement shall be interpreted to grant Licenseeany rights under any Akebia Technology that are not expressly granted herein, whether by implication, estoppel or otherwise. Anyrights not expressly granted to Licensee by Akebia under this Agreement are hereby retained by Akebia. For the avoidance of doubt,Akebia retains the right to make, have made, Develop, use, import and export the Licensed12[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Product in the Field in the Territory in order to fulfill its obligations under this Agreement and/or in order to Develop andCommercialize the Licensed Product outside the Territory.Section 2.04 Knowledge Transfer (a) . Within a reasonable time [***] days following the Effective Date hereof, Akebiashall provide to Licensee an initial onboarding information package describing the Development program for the Licensed Productincluding, but not limited to, non-clinical and clinical data, intellectual property and associated information, regulatory informationand market research. Akebia shall make its qualified personnel reasonably available to Licensee, free of charge to Licensee, atAkebia’s place of business and upon reasonable prior notice for the purpose of discussing such information under this Section 2.04 (Knowledge Transfer ). All further requests for additional information will be addressed through the Alliance Managers.ARTICLE III.GOVERNANCESection 3.01 Formation and Purpose of JSC . Within thirty (30) days after the Effective Date, Licensee and Akebiashall establish the Joint Steering Committee (“ JSC ”), which shall consist of [***] members, shall coordinate the Parties’ activitieshereunder and shall have the additional responsibilities provided for herein. The JSC will establish a charter that will include detailsregarding the operation of the JSC consistent with Article III ( Governance ) hereof. The JSC will dissolve upon the expiration ofthe Term.Section 3.02 Membership . Each Party shall designate [***] representatives with appropriate knowledge and expertise toserve as members of the JSC. Each Party may replace its JSC representatives at any time upon written notice to the otherParty. Akebia may designate one (1) of its JSC members as the co-chairperson and Licensee may designate one (1) of its JSCmembers as the co-chairperson. [***] “ Lead Co-Chairperson ”. The Lead Co-Chairperson shall be responsible for callingmeetings, preparing and circulating an agenda in advance of each meeting, and preparing and issuing minutes of each meeting withinthirty (30) days thereafter. Such minutes will not be finalized until all JSC members have had an adequate opportunity to review andconfirm the accuracy of such minutes in writing.Section 3.03 Meetings . The JSC shall hold meetings at such times as it elects to do so, but in no event shall suchmeetings be held less frequently than twice a year. The JSC shall meet alternatively at Licensee’s facilities in Tokyo, Japan andAkebia’s facilities in Cambridge, Massachusetts, or at such locations as the Parties may otherwise agree. Other employees of eachParty (including without limitation, the Alliance Managers of each Party) involved in the Development or Commercialization ofLicensed Product may attend meetings of the JSC as non-voting participants, and, with the consent of each Party, consultants,representatives, or advisors involved in the same activities may attend meetings of the JSC as non-voting observers; provided ,however , that such Third Party participants and observers are under obligations of confidentiality and non-use applicable to theConfidential Information of each Party and that are at least as stringent as those set forth in Article XII ( Confidentiality ). EachParty shall be responsible for all of its own expenses of participating in any JSC meeting. 13[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Meetings of the JSC may be held by audio or video teleconference with the consent of each Party; provided , however , that at leastone (1) JSC meeting per year shall be held in person.Section 3.04 Decision Making and JSC Dispute Resolution . Each Party’s representatives on the JSC shall, collectively,have one (1) vote (the “ Party Vote ”) on all matters brought before the JSC. The JSC shall operate as to matters within itsjurisdiction by [***]; provided, however, that the JSC shall not have the authority to amend or modify, or waive compliance with,this Agreement. Any disagreement between the representatives of Licensee and Akebia on JSC matters within the JSC’s jurisdictionshall, at the election of either Party, be referred for resolution pursuant to Article XV ( Dispute Resolution, Governing Law ).Section 3.05 Meeting Agendas . Each Party shall disclose to the other Party the proposed agenda items along withappropriate information at least [***] Business Days in advance of each meeting of the JSC; provided that under exigentcircumstances requiring JSC input, a Party may provide its agenda items to the other Party within a lesser period of time in advanceof the meeting, or may propose that there not be a specific agenda for a particular meeting, so long as such other Party consents tosuch later addition of such agenda items or the absence of a specific agenda for such JSC meeting.Section 3.06 Additional Committees . The JSC shall establish and delegate duties to other committees or ad-hoc sub-committees, including a Development committee and a Commercialization committee (each a “ Sub-Committee ”), on an as neededbasis to oversee particular projects or activities. Each such Sub-Committee shall be constituted and shall operate as the JSCdetermines and shall be co-chaired by the Alliance Managers. Each Sub-Committee and its activities shall be subject to theoversight, review and approval of, and shall report to, the JSC. The authority of the Sub-Committee cannot exceed that specified forthe JSC in this Article III ( Governance ).Section 3.07 Interactions Between Committees and Internal Teams . The Parties recognize that while they willestablish the JSC and Sub-Committees under this Agreement, each Party possesses an internal structure (including without limitationvarious committees, teams and review boards) that will be involved in administering such Party’s activities under this Agreement. Ifrequested by a Party, the JSC and Sub-Committees shall establish procedures to facilitate communications between the JSC or suchSub-Committee and the relevant internal committee, team or board of the requesting Party. Such procedures may include, to theextent reasonably necessary, requiring appropriate members of the JSC or Sub-Committee to be available at reasonable times andplaces and upon reasonable prior notice for making appropriate reports to, and responding to reasonable inquiries from, the relevantinternal committee, team or board.Section 3.08 Specific Responsibilities of the JSC . In addition to its overall responsibility under this Agreement for theDevelopment and Commercialization of Licensed Compounds and Licensed Products, the JSC shall, in particular:(a) coordinate the activities of the Parties hereunder;14[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.(b) resolve any disputes or disagreements, including those arising from any Sub-Committee, or submit unresolved disputesor disagreements to the designated executive officers pursuant to Section 3.04 ( Decision Making and JSC Dispute Resolution )and A rticle XV ( Dispute Resolution, Governing Law );(c) support Development and Commercialization efforts for Licensed Compounds and Licensed Products, includingreviewing and discussing the strategy for the Development and Commercialization of Licensed Compounds and Licensed Products;(d) make recommendations for approval by the Parties for [***] programs;(e) subject to Section 4.02 ( Development Plan ), review and approve the Development Plan [***];(f) review and approve any Development in the Territory for [***] of the DD-CKD Indication and NDD-CKD Indication;(g) subject to Section 6.05 ( Trademarks and International Nonproprietary Name ), review and discuss the use in theTerritory of the [***] for the Licensed Product, which shall be prepared by Akebia, and review and discuss the [***] for eachcountry in the Territory, which shall be prepared by Licensee;(h) review and discuss a [***] including supporting materials for a [***] for [***] taking into consideration [***] for the[***];(i) review commercial and sales performance, and sales forecasts, of the Licensed Product in each country in the Territory;and(j) perform such other functions as appropriate to further the purposes of this Agreement as determined by the Parties,including the periodic evaluation of performance against goals.Section 3.09 Alliance Managers . Each of the Parties shall appoint a single individual to manage Development andCommercialization obligations between the Parties (each, an “ Alliance Manager ”). The role of the Alliance Manager is to act as asingle point of contact between the Parties to ensure a successful relationship under this Agreement. The Alliance Managers mayattend all JSC meetings and support their co-chairperson of the JSC in the discharge of his/her responsibilities. Alliance Managersshall be non-voting participants in such JSC meetings, unless they are also appointed members of the JSC; provided , however , thatan Alliance Manager may bring any matter to the attention of the JSC if such Alliance Manager reasonably believes that such matterwarrants such attention. Each Party may change its designated Alliance Manager at any time upon written notice to the otherParty. Any Alliance Manager may designate a substitute to temporarily perform the functions of that Alliance Manager by writtennotice to the other Party. Each Alliance Manager will also: (i) be the point of first referral in all matters of conflict resolution; (ii)provide a single point of communication for seeking consensus between the Parties regarding key strategy and plan issues; (iii)identify and bring disputes to the attention of the JSC in a timely manner; (iv) plan and coordinate cooperative efforts and internaland external communications; (v) co-chair any Sub-Committees established by the JSC pursuant to Section 3.06 ( AdditionalCommittees ) hereof; and (vi) take15[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.responsibility for ensuring that governance activities, such as the conduct of required JSC meetings and production of meetingminutes, occur as set forth in this Agreement, and the relevant action items resulting from such meetings are appropriately carried outor otherwise addressed.ARTICLE IV.DEVELOPMENTSection 4.01 Development in the Territory . (a) Clinical Development in Japan . The Parties intend to use Commercially Reasonable Efforts to include [***] for the[***] based on the [***]. In the event that [***] associated with the [***] as set forth in the Development Plan, subject toSection 5.01 ( Regulatory Filings ) hereof, and [***]. Without affecting the generality of the foregoing, if either Party becomesaware of an event which would cause a material adverse effect to proceeding with the [***], such Party shall promptly notify theother Party and the Parties shall promptly discuss potential solutions, including that Licensee conducts certain supporting activities ofthe [***] subject to the approval of JSC. In the event that [*** ] , Licensee shall be responsible for the [***].(b) Clinical Development in Countries in the Territory Other Than Japan . Licensee shall be responsible for theDevelopment of Licensed Compounds and Licensed Products in all countries in the Territory other than Japan and all costsassociated therewith; provided, however, that if any such country is [***]. For the avoidance of doubt, Licensee shall be responsiblefor all other Development in such country.(c) Non-Clinical Development in the Territory . For the avoidance of doubt, Licensee shall be solely responsible for allnon-clinical Development that is specific to a country in the Territory other than non-clinical activities conducted by Akebia tosupport approval outside the Territory which will be made available to Licensee pursuant to Section 5.01(b) hereof; [***]. Licenseeshall have the right to request that Akebia conduct any other non-clinical studies required for the Territory, subject to reimbursementby Licensee of Akebia’s internal and external costs associated with such non-clinical studies.Section 4.02 Development Plan . The Party responsible for Development in a country in the Territory pursuant toSection 4.01 ( Development in the Territory ) (the “ Developing Party ”), with the cooperation, support and assistance of the otherParty, will prepare the initial Development Plans for such country in the Territory within [***] days of the Effective Date, to besubmitted to the JSC. The JSC will review and approve the initial Development Plan within [***] days of receipt. The DevelopingParty will be responsible for preparing subsequent amendments to the Development Plan, which shall be submitted to the JSC forapproval. Section 4.03 Development Reports . Within [***] Business Days after the end of each calendar quarter, the DevelopingParty shall, through the JSC, provide the other Party with a written report that summarizes Development in each country in theTerritory performed by the Developing Party, its Affiliates or any sublicensee during the prior calendar quarter, which report shallinclude the status of each pending and proposed Regulatory Filing for Licensed Products in16[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.the Territory. In addition, the Developing Party shall promptly provide written notice, through the JSC or Alliance Managers, to theother Party of any significant Development events ( e.g. , clinical trial initiation or completion, clinical holds, Regulatory Filings forthe Licensed Product, Regulatory Approvals, or Clinical Data, which, in any case, is significant).Section 4.04 Standards of Conduct . Akebia and Licensee shall perform, and shall ensure that its Affiliates, permittedsublicensees and Third Party contractors perform, all Development activities under the Development Plan in a good scientificmanner, in accordance with GLP and GCP, as applicable, and in compliance in all material respects with applicable laws, rules andregulations.Section 4.05 Developmental Efforts . Each Party, directly or through its Affiliates, permitted sublicensees and ThirdParty contractors, shall use Commercially Reasonable Efforts to Develop, or support the Development of, Licensed Compounds andLicensed Products in the Territory. For the avoidance of doubt, each Party shall be permitted to use Third Party contractors toperform its Development obligations hereunder, subject to the terms and conditions of this Agreement. Section 4.06 Records . Licensee and its Affiliates and permitted sublicensees shall maintain written or electronic recordsin sufficient detail, in a good scientific manner (in accordance with GLP, GCP and GMP, as applicable) and appropriate forregulatory and patent purposes, which are complete and accurate in all material respects and reflect all Development work performedunder the Development Plan and results achieved.Section 4.07 Medical Affairs . Licensee shall be responsible for Medical Affairs in the Territory, with Akebia’scooperation, support and assistance.ARTICLE V.REGULATORYSection 5.01 Regulatory Filings .(a) Under the oversight of the JSC and subject to Section 4.02 ( Development Plan ), Licensee shall be responsible forpreparing and filing, directly or through its Affiliates and permitted sublicensees, all Regulatory Filings and seeking all RegulatoryApprovals in the Territory; provided, however, that, unless otherwise agreed upon by the Parties, (i) Akebia shall be responsible for[***], (ii) Licensee shall be responsible for [***] and (iii) the JSC will determine the Parties’ responsibilities for any otherRegulatory Filings related to the Global Phase 3 Program in the Territory. Licensee shall provide Akebia with copies of such draftRegulatory Filings reasonably in advance of filing so that Akebia may review, comment and approve such RegulatoryFilings. Except as otherwise provided in this Section 5.01(a) , all Regulatory Filings for Licensed Products in the Territory shall befiled in the name of Licensee (or its Affiliates or permitted sublicensees) and Licensee shall be responsible for all communicationsand other dealings with the Regulatory Authorities relating to the Licensed Product in the Territory; provided, however, thatrepresentatives of Akebia will be invited to attend all meetings, and copied on all written17[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.correspondence, with Regulatory Authorities in the Territory. All Regulatory Filings and Regulatory Approvals in the Territory shallbe at Licensee’s sole expense.(b) In support of Licensee’s preparation and filing of any IND equivalent, amendment thereto, or NDA with respect to anyLicensed Product in the Territory, Akebia shall provide Licensee access to a complete electronic copy of all relevant documentationsubmitted by Akebia to the FDA or EMA that would be necessary or useful to Licensee in preparing its own IND or NDA for aparticular Licensed Product for use in the Territory (collectively, the “ Akebia Regulatory Documents ”). In support of Akebia’s(or its Affiliates or sublicensees) preparation and filing of any IND equivalent, amendment thereto, or NDA with respect to anyLicensed Product outside of the Territory, Licensee shall provide Akebia access to a complete electronic copy of all relevantdocumentation submitted by Licensee to Regulatory Authorities in the Territory that would be necessary or useful to Akebia inpreparing its own IND or NDA for a particular Licensed Product for use outside the Territory (collectively, the “ LicenseeRegulatory Documents ”). Each Party shall make available to the other Party copies of any other documentation related to theLicensed Compound or Licensed Product, including but not limited to research data and reports, material regulatory materials andcorrespondence (including INDs and NDAs), clinical and preclinical data, and chemistry, manufacturing and controls (“ CMC ”)data (collectively, the “ Clinical Data ”) if such Clinical Data is necessary for Licensee to conduct clinical studies and/or obtainRegulatory Approval in the Territory or for Akebia to conduct clinical studies and/or obtain Regulatory Approval outside of theTerritory. Licensee and its Affiliates and permitted sublicensees shall be entitled at no cost to access, use, and reference the AkebiaRegulatory Documents and Clinical Data for the Development and Commercialization of the Licensed Compound or LicensedProduct in the Territory. Akebia and its Affiliates and sublicensees shall be entitled at no cost to access, use, and reference theLicensee Regulatory Documents and Clinical Data for the Development and Commercialization of the Licensed Compound orLicensed Product outside of the Territory. All Regulatory Documents and Clinical Data shall be considered ConfidentialInformation pursuant to Article XII ( Confidentiality ) hereof.ARTICLE VI.COMMERCIALIZATIONSection 6.01 General . Under the direction of the JSC, Licensee, its Affiliates and permitted sublicensees shall be solelyresponsible for the Commercialization of the Licensed Product in the Territory. Licensee, its Affiliates and permitted sublicenseesshall be responsible for all costs associated with the Commercialization of Licensed Product. Licensee shall prepare a Launch Plan,which shall be reviewed and approved by the JSC no later than [***] after filing the first NDA in the Territory, and an annualCommercialization Plan, which shall be [***] by the JSC no later than [***] following Regulatory Approval of the Licensed Productand annually thereafter. The Launch Plan shall be a strategic, high-level plan and shall include, without limitation, launchbudgets. The Commercialization Plan shall include, without limitation, the following elements:(a) [***] of the Licensed Product by Licensee’s sales representatives during the [***] after First Commercial Sale of theLicensed Product;18[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.(b) [***] who market and sell the Licensed Products;(c) sales forecasts for the Licensed Products; and(d) Commercialization budgets.The Parties shall share their promotional materials for the Licensed Product on a regular basis, and Akebia shall have theright to review such promotional materials prior to their use in the Territory.Section 6.02 Commercialization Reports . Within [***] Business Days after the end of each calendar quarter followingthe First Commercial Sale, Licensee shall provide Akebia with (i) a written report that summarizes Commercialization activitiesperformed during the prior calendar quarter, (ii) detailed sales reports for the Licensed Product for each month of the prior calendarquarter in each country in the Territory, and (iii) quarterly sales forecasts for the Licensed Products in each country in the Territory.Section 6.03 Commercialization Efforts . Licensee, directly or through its Affiliates and/or permitted sublicensees, shalluse Commercially Reasonable Efforts to obtain Regulatory Approval and Reimbursement Approval in the Territory and thereafter toCommercialize the Licensed Product in the Territory.Section 6.04 Standards of Conduct . Licensee shall perform, or shall ensure that its Affiliates, permitted sublicenseesand Third Party contractors perform, all Commercialization activities in a professional and ethical business manner and incompliance in all material respects with applicable laws, rules and regulations.Section 6.05 Trademarks and International Nonproprietary Name . Licensee shall Commercialize the LicensedProduct under the Akebia Trademarks using the global brand name for the Licensed Product selected by Akebia unless prohibited byapplicable laws or for other reasons specific to a country in the Territory ( e.g. , cultural and linguistic differences, varying businesspractices). In addition, Akebia will reasonably consider Licensee’s comments regarding the use of the global brand name in eachcountry in the Territory, however, Akebia will make the final decision in its sole discretion whether to use the global brand name forthe Licensed Product in such country. If Akebia ultimately determines that the global brand name is not appropriate for use in aparticular country, the JSC shall approve an alternative brand name for the Licensed Product for use in that country in the Territoryand such brand name shall be a Licensee Trademark. Akebia will be responsible for the selection and filing of the internationalnonproprietary name for any Licensed Product or Licensed Compound with the World Health Organization and any RegulatoryAuthorities in the Territory, which Licensee shall have the right to reference.19[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.ARTICLE VII.MANUFACTURING AND SUPPLYSection 7.01 Manufacture and Supply of Licensed Products . (a) Subject to the terms and conditions of this Agreement, Akebia shall be responsible for manufacturing or havingmanufactured and supplying all reasonable requirements of Licensed Product for clinical and commercial use in the Territory inaccordance with GCP and GMP at the same level of diligence [***]. If necessary, the Parties shall agree upon a supply agreementfor the clinical supply of the Licensed Product by Akebia to Licensee in the Territory pursuant to which Akebia shall supplyLicensed Products at [***]. Prior to commercial launch of the Licensed Product, the Parties shall agree upon a supply agreement forthe commercial supply of the Licensed Product by Akebia to Licensee in the Territory, which shall include provisions regardinglong-range forecasting of Licensee’s requirements for the Licensed Product. Promptly after the execution of a supply agreement, theParties will enter into a mutually acceptable quality agreement, which shall include the Parties’ respective obligations andresponsibilities relating to quality assurance requirements for Licensed Products.(b) After First Commercial Sale of the Licensed Product in the Territory, Licensee shall have the right, but not theobligation, [***]; provided, however , that if Licensee chooses to exercise its [***] it shall also [***]. If Licensee wishes to exercisethis right, it shall so notify Akebia, and [***]. For the avoidance of doubt, Licensee shall not be permitted to [***]. Upon theexecution of a [***], which shall include the Parties’ respective obligations and responsibilities relating to matters of [***]. IfLicensee wishes to [***] pursuant to this Section 7.01(b) , Licensee may do so only with Akebia’s prior written consent, not to beunreasonably withheld or delayed, and all other terms of this Section 7.01(b) shall apply.(c) If, at any time during the Term, Licensee reasonably expects that Akebia will be [***], Licensee may request adiscussion with Akebia and the Parties shall promptly discuss a potential resolution, which may include a [***].Section 7.02 Supply Price . The supply price for Licensed Products supplied by Akebia to Licensee for commercial usewill be equal to [***] (the “ Supply Price ”).Section 7.03 Labeling . Licensed Products shall bear Licensee’s name and Akebia’s company name on the labels,containers, cartons, package inserts and other packaging and labeling to the extent practicable and permitted by applicablelaws. Akebia hereby grants Licensee a fully-paid, non-exclusive license under Akebia’s Trademarks as necessary to effect the co-labeling provided for in this Agreement and to Develop and Commercialize Licensed Products in the Territory. Licensee shall beresponsible for packaging and labeling Licensed Products for use in the Territory and for all costs associated therewith.20[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.ARTICLE VIII.PAYMENTSSection 8.01 Upfront License Fee . As consideration for the rights and licenses granted by Akebia to Licensee under thisAgreement, within fifteen (15) Business Days of the Effective Date, and provided that Licensee is in receipt of Akebia’s Certificateof Residency from the U.S. Department of Treasury (“ Form 6166 ”), and Application Form for Income Tax Convention (“ Form 3”), and Attachment Form for Limitation on Benefits Article (“ Form 17 ”) from the Japanese National Tax Agency (collectively, the“ Tax Forms ”), Licensee shall pay Akebia a nonrefundable, noncreditable upfront license fee of [ *** ]. If Licensee is not in receiptof Akebia’s Tax Forms within fifteen (15) Business Days of the Effective Date, then the upfront license fee shall be paid by Licenseewithin fifteen (15) Business Days following receipt of Akebia’s Tax Forms.Section 8.02 Development Costs .(a) In the [***], in addition to being responsible for all Development costs for Licensed Products in the Territory outside ofJapan pursuant to Section 4.01 ( Development in the Territory ), Licensee shall be responsible for (i) up to [***] of the totalinternal and external Development costs associated with Development in the Global Phase 3 Program, including the Global Phase 3DD-CKD Study and the Global Phase 3 NDD-CKD Study, and (ii) all internal and external Development costs associated with anyadditional clinical studies performed in the Territory used to obtain Regulatory Approval of the Licensed Product in the Territory, asdefined in the initial Development Plan to be approved by the Parties, provided, however, that Licensee’s responsibility forDevelopment costs in the [***] shall not exceed [***]. (b) In the event that [***], then Licensee shall be responsible for (i) up to [***] of the Global Phase 3 Program costsassociated with such indication based on the Development Plan approved by the JSC, and (ii) all internal and external Developmentcosts associated with any additional clinical studies performed in the Territory to support Regulatory Approval of the LicensedProduct for such indication in the Territory, up to a maximum amount of [***]. For the avoidance of doubt, Licensee shall be solelyresponsible for [***]. (c) [*** ] , the Parties shall discuss in good faith, and include in the Development Plan, the consideration to be paid byLicensee for use of, or reference to, [***]. (d) Akebia will invoice Licensee for such costs as incurred in accordance with the budgets and payment schedules for suchDevelopment costs which will be included in the JSC-approved Development Plan for the Global Phase 3 Program. Upon the receiptof an undisputed invoice from Akebia with sufficient details and documentation of incurred costs, Licensee shall make a payment toAkebia within forty-five (45) days pursuant to the invoice.(e) Within fifteen (15) Business Days after the Effective Date, Licensee shall pay Akebia a pre-payment for Developmentcosts in the amount of [***] (“ Development Cost Pre-Payment ”). The Development Cost Pre-Payment shall be deducted fromthe total amount payable by Licensee in accordance with Section 8.02(a) and Section 8.02(b) hereof. In the21[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.event that, ultimately, neither Section 8.02(a) nor Section 8.02(b) hereo f is applied , then Akebia shall, at Licensee’s discretion andwithin [***] days of Licensee’s request, either (i) [***] or (ii) [***]. If Licensee is not in receipt of Akebia’s Tax Forms withinfifteen (15) Business Days after the Effective Date, then the Development Cost Pre-Payment shall be paid by Licensee within fifteen(15) Business Days following receipt of Akebia’s Tax Forms.Section 8.03 Milestone Payments . Licensee shall pay to Akebia the following non-refundable and non-creditableamounts no later than [***] days after the first occurrence of the indicated event for the Licensed Product: Development Milestones EventPayment Amount (in U.S. Dollars )[***][***][***][***][***]In the [ *** ]: · [***]· [***] In the [ *** ]: · [***] In the event that Licensee determines, in its sole discretion, to [ *** ], Licensee shall payAkebia [ *** ] of the above milestone payments for the [***] for the Licensed Product and [*** ] of the above milestones for the [***] for the Licensed Product.[***]In the [ *** ]: · [***]· [***], in which case the milestone payment shall be [***]. In the [ *** ] : [*** ] In the event that Licensee determines, in its sole discretion, to [ *** ], Licensee shall payAkebia [ *** ] of the above milestone payments for Regulatory Approval of the LicensedProduct for [ *** ] and [ *** ] of the above milestone payments for Regulatory Approval ofthe Licensed Product for [ *** ].22[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.[*** ][***][*** ][*** ] Sales Milestones EventPayment Amount ( in U.S. Dollars )Achievement of [***] of aggregate annual Net Sales ofLicensed Products in the Territory[***]Achievement of [***] in aggregate annual Net Sales ofLicensed Products in the Territory[***]Achievement of [***] in aggregate annual Net Sales ofLicensed Products in the Territory[***] Each milestone payment shall be paid upon the first occurrence of the event in the Territory and Licensee shall not beobligated to pay each milestone payment more than once unless otherwise indicated.Section 8.04 Royalties(a) Licensee shall pay Akebia the following royalties on Net Sales, at an incremental royalty rate determined by aggregateannual Net Sales of each Licensed Product in each calendar year during the Term of this Agreement in the Territory: Portion of Annual Net SalesRoyaltyLess than [***] Japanese Yen[*** ][***] Japanese Yen[*** ]Greater than [***] Japanese Yen[*** ] (b) Running royalties paid by Licensee under Section 8.04 ( Royalties ) shall be paid on a country-by-country basis fromthe date of the First Commercial Sale of Licensed Product in a country in the Territory until the later of (i) expiration of the last-to-expire Valid Claim that would, but for the licenses granted hereunder, be infringed by the making, using, selling or importing of suchLicensed Product in such country in the Territory, (ii) expiration of marketing or regulatory exclusivity in such country in theTerritory, or (iii) if no Valid Claim exists in such country in the Territory, then for ten (10) years from the First Commercial Sale ofLicensed Product in such country in the Territory (the “ Royalty Term ”).(c) If (i) one or more Generic Products to a Licensed Product is, or are, commercially available in any country in theTerritory during the Royalty Term for such Licensed Product in such country, and (ii) Net Sales of such Licensed Product in suchcountry during a calendar quarter decline by [***], as compared with the average Net Sales of such Licensed Product in such countryfor [***] immediately preceding the calendar quarter in which the first Generic Product is launched in such country, the amount ofNet Sales to be utilized for the calculation of23[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.royalties provided in Section 8.04 ( Royalties ) for such Licensed Product shall be reduced in such country by [***] for the calendarquarter in which the applicable decline occurs and for all future calendar quarters.(d) For the purpose of this paragraph, “ Generic Product ” means, with respect to a Licensed Product in a particularcountry, any pharmaceutical product that (A)(1) contains at least one of the same API as such Licensed Product and is approved bythe Regulatory Authority in such country for an indication for which such Licensed Product obtained Regulatory Approval from theapplicable Regulatory Authority in such jurisdiction; or (2) is approved by the Regulatory Authority in such country as asubstitutable generic for such Licensed Product, for an indication for which such Licensed Product obtained Regulatory Approvalfrom the applicable Regulatory Authority in such country, on an expedited or abbreviated basis in a manner that relied on orincorporated data submitted by Licensee or its Affiliate or sublicensee in connection with the Regulatory Approval for the LicensedProduct in such jurisdiction; and (B) is sold in such country by a Third Party that is not a sublicensee of Licensee and did notpurchase such product in a chain of distribution that included Licensee or its Affiliates or any sublicensees of Licensee.Section 8.05 Royalty Payments and Reports .(a) Until the expiration of the Royalty Term, Licensee agrees to provide quarterly written reports to Akebia within[***] days after the end of each calendar quarter, covering all Net Sales of the Licensed Product in the Territory by Licensee, itsAffiliates or permitted sublicensees, each such written report stating for the period in question:(i) the quantity and description of Licensed Product sold during the calendar quarter in the Territory, and(ii) the calculation of Net Sales in the Territory for such quarter and year-to-date Net Sales in the Territory, and(iii) the exchange rates used to calculate the royalties payable in U.S. Dollars, and(iv) any withholding taxes required to be made from such royalties.(b) The information contained in each report under Section 8.05 ( Royalty Payments and Reports ) shall be consideredConfidential Information of Licensee. [***] days after the end of each calendar quarter, Licensee shall make the royalty payment duehereunder for the calendar quarter covered by such report.Section 8.06 Accounting(a) Licensee shall keep full, clear and accurate records in accordance with Japanese generally accepted accountingprinciples (if Licensee starts to apply International Financial Reporting Standards (IFRS) to its accounting, IFRS will be applied)consistently applied for a period of at least three (3) years after the relevant payment is owed pursuant to this Agreement, settingforth the sales of Licensed Product in sufficient detail to enable royalties and compensation payable to Akebia hereunder to bedetermined. Licensee further agrees to permit24[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.its books and records to be examined by an independent accounting firm selected by Akebia to verify reports provided for in Section 8.05 ( Royalty Payments and Reports ). Such audit shall not be performed more frequently than once per calendar year. Suchexamination is to be made at the expense of Akebia, except in the event that the results of the audit reveal an underpayment byLicensee of five percent (5%) or more during the period being audited, in which case reasonable audit fees for such examinationshall be paid by Licensee.(b) Akebia shall keep full, clear and accurate records in accordance with U.S. GAAP consistently applied for a period of atleast three (3) years after the relevant payment is made by Licensee to Akebia pursuant to this Agreement. Akebia further agrees topermit its books and records to be examined by an independent accounting firm selected by Licensee to verify the accuracy ofDevelopment costs for the Global Phase 3 Program and COGS. Such audit shall not be performed more frequently than once percalendar year. Such examination is to be made at the expense of Licensee, except in the event that the results of the audit reveal anovercharge by Akebia of five percent (5%) or more over the period being audited, in which case reasonable audit fees for suchexamination shall be paid by Akebia.Section 8.07 Currency Conversion . Wherever it is necessary to convert currencies for Net Sales invoiced in a currencyother than the U.S. Dollar, including Japanese Yen, such conversion shall be made into U.S. Dollars after being converted at the rateof Telegraph Transfer Middle Rate announced by The Bank of Tokyo-Mitsubishi UFJ, Ltd. on the last Business Day of the reportingcalendar quarter.Section 8.08 Methods of Payment . All payments due to Akebia under this Agreement shall be made in U.S. Dollars bywire transfer to a bank account of Akebia designated from time to time in writing by Akebia.Section 8.09 Taxes . Akebia will pay any and all taxes levied on account of any payments made to it under thisAgreement. If, under any law or regulation of any country of the Territory, withholding of taxes of any type, levies or other chargesis required with respect to any amounts payable hereunder to a Party, the other Party (“ Withholding Party ”) shall apply thewithholding or deduction as so required and shall promptly pay such tax, levy or charge to the proper governmental authority, andshall promptly furnish the Party with proof of such payment. The Withholding Party shall have the right to withhold or deduct anysuch tax, levy or charge actually paid from payment due to the Party or be promptly reimbursed by the Party if no further paymentsare due the Party. Any amounts so withheld or deducted from the payment due the Party pursuant to the relevant law or regulationshall be deemed paid to such Party for all purposes of this Agreement. Each Withholding Party agrees to assist the other Party inclaiming exemption from (or reduction in) such deductions or withholdings under double taxation or similar agreement or treatyfrom time to time in force and in minimizing the amount required to be so withheld or deducted. Notwithstanding the foregoing, allsums payable by either Party pursuant to this Agreement are stated exclusive of any sales tax, value added tax or other similar taxes,assessments and charges imposed by the jurisdiction of the Withholding Party or the payee and any such taxes shall be paid by theWithholding Party. Notwithstanding anything contrary to the foregoing, at the beginning of each calendar year during the Term,Akebia shall provide Licensee with Akebia’s Tax Forms together with any other documents required to be submitted to respectivetax authorities for avoiding withholding taxes applicable to any payments to be paid25[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.to Akebia from Licensee (the “ Withholding Tax Avoiding Documents ” ). If Akebia fails to provide Licensee with theWithholding Tax Avoiding Documents at the beginning of each calendar year , until Akebia provides all of the Withholding TaxAvoiding Documents to Licensee, Licensee may [ *** ] .Section 8.10 Late Payments . Any amount owed by Licensee to Akebia under this Agreement that is not paid within theapplicable time period set forth herein shall accrue interest at the lesser of (a) the London Interbank Offered Rate plus three percent(3%) or (b) the highest rate permitted under applicable law.ARTICLE IX.OWNERSHIP OF INTELLECTUAL PROPERTYSection 9.01 Akebia Intellectual Property . Ownership of the Akebia Inventions, Akebia Know-How, and AkebiaPatents (other than Joint Patents), shall remain vested at all times in Akebia. Section 9.02 Licensee Intellectual Property . Ownership of the Licensee Inventions, Licensee Know-How,Improvements, and Licensee Patents (other than Joint Patents) shall remain vested at all times in Licensee.Section 9.03 Joint Technology and Improvements(a) The Parties shall promptly disclose to each other any Joint Inventions or Improvements conceived or reduced topractice, but no later than thirty (30) days after such conception or reduction to practice.(b) Ownership of Joint Technology shall be vested jointly in Akebia and Licensee. Licensee hereby grants to Akebia (i)the exclusive, royalty-free, sublicensable, irrevocable right and license to practice, make, have made, use, import, offer for sale orsell any Improvements and Joint Technology outside of the Territory as is necessary in connection with the Development orCommercialization of the Licensed Compound or the Licensed Product; and (ii) the non-exclusive, royalty-free, sublicensable,irrevocable right and license to practice, make, have made, use, import, offer for sale or sell any Improvements and Joint Technologyinside the Territory as is necessary for Akebia to perform its obligations under this Agreement.(c) Licensee hereby grants to Akebia (i) the exclusive, royalty-free, sublicensable, irrevocable right and license to practice,make, have made, use, import, offer for sale or sell any Improvements and Joint Technology relating solely to the LicensedCompound or Licensed Product for any purpose outside of the Territory; and (ii) the non-exclusive, royalty-free, sublicensable,irrevocable right and license to practice, make, have made, use, import, offer for sale or sell all other Improvements and JointTechnology for any purpose outside of the Territory. During the Term of this Agreement, Licensee [***] without Akebia’s writtenconsent, not to be unreasonably withheld or delayed.26[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 9.04 Prosecution of Akebia Patents(a) Akebia shall have the first right, but not the obligation, to prosecute and maintain the Akebia Patents. On a semiannualbasis, Akebia shall provide to Licensee a written summary of the status of all Akebia Patents, including patent applications withinAkebia Patents in the Territory. On the reasonable request of Akebia, Licensee shall cooperate with Akebia in connection with theprosecution of all patent applications included within Akebia Patents.(b) Licensee undertakes without cost to Akebia to obtain all necessary assignment documents for Akebia, to render allsignatures that shall be necessary for such patent filings and to assist Akebia in all other reasonable ways that are necessary for theissuance of the patents involved as well as for the maintenance and prosecution of such patents. Akebia shall be responsible for[***] of the costs incurred with respect to the prosecution and maintenance of such Akebia Patents.(c) Should Akebia decide that it is no longer interested in maintaining or prosecuting a particular Akebia Patent in theTerritory during the Term, it shall promptly advise Licensee of this decision. Licensee may, upon written notice to Akebia, assumesuch prosecution and maintenance at its sole expense. Akebia shall assign such Akebia Patent to Licensee at no cost toLicensee. Following such assignment, such patent or patent application shall no longer be considered an Akebia Patent and shall beconsidered a Licensee Patent.Section 9.05 Prosecution of Licensee Patents Covering Improvements(a) Licensee shall have the first right, but not the obligation, to prosecute and maintain the Licensee Patents that coverImprovements. On a semiannual basis, Licensee shall provide to Akebia a written summary of the status of all Licensee Patents thatcover Improvements, including patent applications within Licensee Patents that cover Improvements. On the reasonable request ofLicensee, Akebia shall cooperate with Licensee in connection with the prosecution of all patent applications included withinLicensee Patents that cover Improvements.(b) Akebia undertakes without cost to Licensee to obtain all necessary assignment documents for Licensee, to render allsignatures that shall be necessary for such patent filings and to assist Licensee in all other reasonable ways that are necessary for theissuance of the patents involved as well as for the maintenance and prosecution of such patents. Licensee shall be responsible for[***] of the costs incurred with respect to the prosecution and maintenance of such Licensee Patents that include Improvements.(c) Should Licensee decide that it is no longer interested in maintaining or prosecuting a particular Licensee Patent thatcovers Improvements during the Term, it shall promptly advise Akebia of this decision. Akebia may, upon written notice toLicensee, assume such prosecution and maintenance at its sole expense. Licensee shall assign such Licensee Patent that coversImprovements to Akebia at no cost to Akebia. Following such assignment, such patent or patent application shall no longer beconsidered a Licensee Patent and shall be considered an Akebia Patent.27[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 9.06 Prosecution of Joint Patents(a) Akebia will have the first right of election to file patent applications for Joint Inventions. If Akebia declines to filesuch applications then Licensee may do so. On a semi-annual basis, Akebia shall provide to Licensee a written summary of thestatus of all Akebia Patents, including patent applications within Akebia Patents in the Territory. On the reasonable request ofAkebia, Licensee shall cooperate with Akebia in connection with the prosecution of all patent applications included within JointPatents.(b) Licensee undertakes without cost to Akebia to obtain all necessary assignment documents for Akebia, to render allsignatures that shall be necessary for such patent filings and to assist Akebia in all other reasonable ways that are necessary for theissuance of the patents involved as well as for the maintenance and prosecution of such patents. Akebia shall be responsible for[***] of the costs incurred with respect to the prosecution and maintenance of such Joint Patents.(c) Should Akebia decide that it is no longer interested in maintaining or prosecuting a particular Joint Patent in theTerritory during the Term, it shall promptly advise Licensee of this decision. Licensee may, upon written notice to Akebia, assumesuch prosecution and maintenance at its sole expense Akebia shall assign such Joint Patent to Licensee at no cost toLicensee. Following such assignment, such patent or patent application shall no longer be considered a Joint Patent and shall beconsidered a Licensee Patent.Section 9.07 Enforcement and Defense(a) If either Party becomes aware of any Third Party activity in the Territory, including any Development activity (whetheror not an exemption from infringement liability for such Development activity is available under applicable law) that infringes (orthat is directed to the Development of a product that would infringe) an Akebia Patent, a Joint Patent or a Licensee Patent coveringImprovements, then the Party becoming aware of such activity shall give prompt written notice to the other Party regarding suchalleged infringement.(b) As to Akebia Patents and Joint Patents, Akebia shall have the first right, but not the obligation, to attempt to resolvesuch Third Party activity by commercially appropriate steps at its own expense, including the filing of an infringement suit usingcounsel of its own choice. If Akebia fails to resolve such Third Party activity or to initiate a suit with respect thereto within [***]days after the notice provided under Section 9.07 ( Enforcement and Defense ), then, with Akebia’s written consent (which shallnot be unreasonably withheld, conditioned or delayed), Licensee shall have the right, but not the obligation, to attempt to resolvesuch Third Party activity by commercially appropriate steps at its own expense, including the filing of an infringement suit usingcounsel of its own choice. As to Licensee Patents that cover Improvements, Licensee shall have the first right, but not the obligation,to attempt to resolve such Third Party activity by commercially appropriate steps at its own expense, including the filing of aninfringement suit using counsel of its own choice. If Licensee fails to resolve such Third Party activity or to initiate a suit withrespect thereto within [***] days after the notice provided under Section 9.07 ( Enforcement and Defense ), then, with Licensee’swritten consent (which shall not be unreasonably withheld, conditioned or delayed), Akebia shall have the right,28[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.but not the obligation, to attempt to resolve such Third Party activity by commercially appropriate steps at its own expense, includingthe filing of an infringement suit using counsel of its own choice.(c) Any amounts recovered by a Party as a result of an action pursuant to this Section 9.07 ( Enforcement and Defense ),whether by settlement or judgment, shall be allocated, after deducting both Parties’ internal and external costs associated with theenforcement action, as follows: Licensee shall receive [***] of any amounts recovered and Akebia shall receive [***] of anyamounts recovered under this Section 9.07 ( Enforcement and Defense ).(d) In any event, at the request and expense of the Party bringing an infringement action under this Section 9.07 (Enforcement and Defense ), the other Party shall provide reasonable assistance in any such action (including entering into acommon interest agreement if reasonably deemed necessary by any Party) and to be joined as a party to the suit if necessary for theinitiating Party to bring or continue an infringement action hereunder. Neither Party may settle any action or proceeding broughtunder this Section 9.07 ( Enforcement and Defense ) in a manner that materially adversely affects the other Party’s interest in theAkebia Patents, Joint Patents or Licensee Patents covering Improvements, or knowingly take any other action in the course thereof,without the written consent of such other Party. Each Party shall always have the right to be represented by counsel of its ownselection and its own expense in any suit or other action instituted by the other Party pursuant to this Section 9.07 ( Enforcementand Defense ). Section 9.08 Defense of Third Party Infringement Claims .(a) If a Third Party asserts that a Patent or other right controlled by it in the Territory is infringed by a Party’s activities ora Party becomes aware of a Patent or other right that might form the basis for such a claim, the Party first obtaining knowledge ofsuch a claim or such potential claim shall immediately provide the other Party with notice thereof and the related facts in reasonabledetail. The Parties shall discuss whether to take commercially appropriate steps to avoid infringement of said Third Party Patent orother right controlled by such Third Party in the Territory. Akebia will reasonably consider Licensee’s comments regarding theavoidance of infringement in the Territory, however, [***].(b) Notwithstanding the provision set forth in Section 9.08(a) that states [***], at any time during the Term, [***] duringthe exercise of the rights herein granted, whether or not there has been the [***], Licensee may request that [***]. Following suchrequest, Akebia shall [***]. (c) If, during the Term of the Agreement, a Third Party asserts that a Patent or other right controlled by such Third Party isinfringed in the Territory by the exercise of the rights herein granted , Akebia will be solely responsible for defending against anysuch claim at its own expense using Commercially Reasonable Efforts and the counsel of its own choosing. [ ***].(d) At any time during the Term, Akebia may at its sole discretion [***]. Akebia shall invoice Licensee for such amountson a quarterly basis, and such invoices shall be paid by Licensee within [***] days after receipt. This Section 9.08 ( Defense ofThird Party Infringement Claims ) shall not be interpreted as placing on either Party a duty of inquiry regarding Third Partyintellectual property rights.29[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 9.09 Patent Term Extensions . Akebia shall be solely responsible for making all decisions regarding patent termextensions, including supplementary protection certificates and any other extensions, that are now available or become available inthe future, that are applicable to Akebia Patents and Joint Patents licensed hereunder and that become available directly as a result ofthe Regulatory Approval of a Licensed Product by Licensee or any of its Affiliates or sublicensees, provided that Akebia shallconsult with Licensee with respect to such decisions and shall consider the comments and concerns of Licensee in good faith.Section 9.10 Trademarks . Licensee shall be responsible for the registration and maintenance of the LicenseeTrademarks throughout the Territory, as well as all expenses associated therewith. Akebia shall be responsible for the registrationand maintenance of the Akebia Trademarks throughout the Territory, as well as all expenses associated therewith.ARTICLE X.INFORMATION AND ADVERSE DRUG EVENTS AND REPORTSSection 10.01 Information . Akebia and Licensee will use Commercially Reasonable Efforts to disclose and makeavailable to each other in a timely manner all Regulatory Information, Clinical Data, commercial and other information concerningthe Licensed Product or Licensed Compound, known by Akebia or Licensee at any time during the Term of this Agreement (the “Information ”), subject to receipt of any required Third Party consents. Notwithstanding the foregoing, neither Party shall beobligated to disclose to the other Party confidential information about its products other than the Licensed Product or LicensedCompound.Section 10.02 Data Security . During the Term of this Agreement, each Party will maintain (and, as applicable, cause itsAffiliates to maintain) environmental, safety and facility procedures, data security procedures and other safeguards against thedisclosure, destruction, loss, or alteration of the other Party’s Information in the possession of such Party or its Affiliates which areno less rigorous than those maintained by such Party (or any of its Affiliates) for its own Information of a similar nature.Section 10.03 Compliance . Each Party shall maintain a record of all non-medical and medical product-relatedcomplaints it receives with respect to any Licensed Product or Licensed Compound. Each Party shall notify the other Party of anysuch complaint received by it in sufficient detail and in accordance with the timeframes and procedures for reporting established bythe Joint Pharmacovigilance Committee (“ JPC ”), and in any event in sufficient time to allow the Party that holds the applicableregulatory filing to comply with any and all regulatory requirements imposed upon it in any country within its territory including inaccordance with International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals forHuman Use (“ ICH ”) guidelines. The Party that holds the applicable regulatory filing in a particular country shall investigate andrespond to all such complaints in such country with respect to any Licensed Product or Licensed Compound as soon as reasonablypracticable. All such responses shall be made in accordance with the procedures established by the JPC pursuant to ICHguidelines. The Party responsible for responding to such complaint shall promptly provide the other Party a copy of any suchresponse.30[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 10.04 Adverse Drug Events .(a) [***] days prior to the commencement of any non-clinical or clinical study in the Territory, the Parties shall enter into aSafety Data Exchange Agreement. Such Safety Data Exchange Agreement shall provide for the exchange by the Parties of anyinformation of which a Party becomes aware in the Territory concerning any adverse event experienced by a subject or, in the case ofnon-clinical studies, an animal in a toxicology study, and the seriousness thereof, whether or not determined to be attributable to anyLicensed Product or Licensed Compound, including any such information received by either Party from a Third Party (subject toreceipt of any required consents from such Third Party). It is understood that each Party and its Affiliates or licensees/sublicenseesshall have the right to disclose such information if such disclosure is reasonably necessary to comply with applicable laws,regulations, and requirements of Regulatory Authorities within its respective territory with respect to its filings and activities relatedto the Licensed Compound and Licensed Product. The Safety Data Exchange Agreement will also detail the Parties’ responsibilitiesrelating to recalls and withdrawals of a Licensed Product.(b) The Parties shall, within [***] days after execution of this Agreement, form the JPC which shall include [***]members: [***] designated by Akebia and [***] designated by Licensee. [***] shall be one of the Akebia representatives and serveas chairperson of the JPC. The JPC shall establish a charter that governs the operation of the JPC. For the avoidance of doubt, theJPC shall not be a Sub-Committee of the JSC.ARTICLE XI.REPRESENTATIONS, WARRANTIES, AND COVENANTSSection 11.01 Mutual Representations and Warranties . Each of Licensee and Akebia hereby represents, warrants andcovenants (as to ( Section 11.01(h) ):(a) it is a corporation or entity duly organized and validly existing under the laws of the state, municipality, provinces,administrative division or other jurisdiction of its incorporation or formation;(b) the execution, delivery and performance of this Agreement by it has been duly authorized by all requisite corporateaction;(c) it has the power and authority to execute and deliver this Agreement and to perform its obligations hereunder, and suchperformance does not conflict with or constitute a breach of any of its agreements with Third Parties;(d) it has the right to grant the rights and licenses described in this Agreement, free and clear of all liens, claims orencumbrances;(e) it has not made any commitments to Third Parties in conflict with the rights granted by it hereunder and it will not doso during the Term of this Agreement;31[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.(f) to its knowledge, no consent, approval or agreement of any person, party, court, government or entity is required to beobtained in connection with the execution and delivery of this Agreement;(g) it has not been debarred by the FDA, is not the subject of a conviction described in Section 306 of the FD&C Act, an isnot subject to any similar sanction of other governmental authorities outside the Territory, and neither it nor any of its Affiliates hasused, in any capacity, any person who either has been debarred by the FDA, is the subject of a conviction described in Section 306 ofthe FD&C Act or is subject to any such similar sanction. Neither Party shall engage, in any capacity in connection with thisAgreement or any ancillary agreements, any person who either has been debarred by the FDA, is the subject of a convictiondescribed in Section 306 of the FD&C Act or is subject to any such similar sanction. Each Party shall inform the other Party inwriting promptly if it or any person engaged by Akebia or any of its Affiliates who is performing services under this Agreement, orany ancillary agreements, is debarred or is the subject of a conviction described in Section 306 of the FD&C Act, or if any action,suit, claim, investigation or legal or administrative proceeding is pending or, to each Party’s knowledge, is threatened, relating to thedebarment or conviction of a Party, any of its Affiliates or any such person performing services hereunder or thereunder; and(h) it will comply with all applicable laws and regulations in performing its activities hereunder.Section 11.02 Additional Akebia Warranties . Akebia hereby represents and warrants as of the Effective Date andcovenants (as to Section 11.02(k) ) that:(a) to Akebia’s knowledge, Exhibit A contains a list of all Akebia Patents that are necessary or useful to make, have made,use, import, offer for sale, and sell the Licensed Compounds and Licensed Products in the Field in the Territory;(b) to Akebia’s knowledge, the Akebia Patents listed in Exhibit A have not expired or been abandoned and Akebia isunaware of any challenge in the Territory to the validity of any of the Akebia Patents listed in Exhibit A ;(c) to Akebia’s knowledge, the patent applications included in the Akebia Patents as of the Effective Date have been dulyfiled in the Territory and the filing, prosecution and maintenance of Akebia Patents and patent applications in the Territory has beenconducted in accordance with applicable laws and are pending with the applicable governmental agency, and any and allmaintenance fees, annuity fees and renewal fees with respect to any of Akebia Patents that are due and payable have been paid ;(d) to Akebia’s knowledge, there is no threatened or pending litigation relating to it or any Affiliate that seeks to invalidateany of the Akebia Patents in the Territory;(e) to Akebia’s knowledge, Akebia has obtained the assignment of all interests and all rights of any and all Third Partieswho are entitled to be named as inventors with respect to the subject matter of the Akebia Patents in the Territory;32[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.(f) to Akebia’s knowledge, there is no use, infringement or misappropriation of the Akebia Technology in the Territory inderogation of the rights granted to Licensee in this Agreement;(g) to Akebia’s knowledge, there are no investigations, inquiries, actions or other proceedings pending before or threatenedby any Regulatory Authority or other government agency in the Territory with respect to the Licensed Product arising from anydefault by Akebia or a Third Party acting on behalf Akebia in the discovery or Development of the Licensed Compound, and Akebiahas not received written notice threatening any such investigation, inquiry, action or other proceeding;(h) to Akebia’s knowledge, Akebia has taken Commercially Reasonable Efforts to protect the secrecy, confidentiality andvalue of all Know-How that constitutes trade secrets under applicable law (including requiring all employees, consultants andindependent contractors to execute binding and enforceable agreements requiring such employees, consultants and independentcontractors to maintain the confidentiality of such Know-How) and, to Akebia’s knowledge, such Know-How has not been used,disclosed to or discovered by any Third Party except pursuant to such confidentiality agreements and there has not been a breach byany party of such confidentiality agreements;(i) to Akebia’s knowledge, Akebia owns or has licensed the rights, title and interest in and to the Akebia Technologygranted to Licensee pursuant to Section 2.01 ( Grant of License ) of this Agreement;(j) to Akebia’s knowledge, neither the Akebia Technology nor its use infringes any Patent right of any Third Party in theTerritory; and(k) Akebia and its Affiliates shall not (i) license, sell, assign or otherwise transfer to any Third Party any licensed AkebiaTechnology (or agree to do any of the foregoing) or (ii) incur or permit to exist, with respect to any licensed Akebia Technology, anylien, encumbrance, charge, security interest, mortgage, liability, grant of license to Third Parties or other restriction (including inconnection with any indebtedness), in either case, that would conflict with the rights granted to Licensee hereunder .Section 11.03 Additional Licensee Warranties .(a) Anti-Corruption Provisions . Akebia and Licensee have not, directly or indirectly, offered, promised, paid, authorizedor given, and will not in the future, offer, promise, pay, authorize or give, money or anything of value, directly or indirectly, to anyGovernment Official (as defined below) or Other Covered Party (as defined below) for the purpose, pertaining to this Agreement,of: (i) influencing any act or decision of the Government Official or Other Covered Party; (ii) inducing the Government Official orOther Covered Party to do or omit to do an act in violation of a lawful duty; (iii) securing any improper advantage; or (iv) inducingthe Government Official or Other Covered Party to influence the act or decision of a government or government instrumentality, inorder to obtain or retain business, or direct business to, any person or entity, in any way related to this Agreement.33[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.For purposes of this Agreement: (i) “ Government Official ” means any official, officer, employee or representativeof: (A) any federal, state, provincial, administrative division, county or municipal government or any department or agency thereof;(B) any public international organization or any department or agency thereof; or (C) any company or other entity owned orcontrolled by any government; and (ii) “ Other Covered Party ” means any political party or party official, or any candidate forpolitical office.(b) Anti-Corruption Compliance .(i) In performing under this Agreement, both Parties and their respective Affiliates agree to comply with allapplicable anti-corruption laws, including, without limitation: the Foreign Corrupt Practices Act of 1977, as amendedfrom time to time (“ FCPA ”); the anti-corruption laws of the Territory; and all laws enacted to implement theOrganization for Economic Co-operation and Development Convention on Combating Bribery of Foreign Officials inInternational Business Transactions.(ii) Neither Party is aware of any Government Official or Other Covered Party having any financial interest inthe subject matter of this Agreement or in any way personally benefiting, directly or indirectly, from this Agreement.(iii) No political contributions or charitable donations shall be given, offered, promised or paid at the request ofany Government Official or Other Covered Party that is in any way related to this Agreement or any related activity,without the other Party’s prior written approval.(iv) In the event that a Party violates the FCPA, the anti-corruption laws of the Territory or any applicable anti-corruption law or breaches any provision in this Section, the other Party shall have the right to unilaterally terminate thisAgreement pursuant to Section 14.02 ( Termination for Breach ).Section 11.04 Disclaimer . EXCEPT AS EXPRESSLY SET FORTH HEREIN, THE INTELLECTUAL PROPERTYRIGHTS PROVIDED BY AKEBIA ARE PROVIDED “AS IS” AND WITHOUT WARRANTY. EXCEPT AS EXPRESSLY SETFORTH HEREIN, EACH OF THE PARTIES EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES OF ANY KIND,EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY, FITNESS FOR APARTICULAR PURPOSE, VALIDITY AND/OR ENFORCEABILITY OF THEIR RESPECTIVE INTELLECTUAL PROPERTYRIGHTS, AND NONINFRINGEMENT OF THE INTELLECTUAL PROPERTY RIGHTS OF THIRD PARTIES, ARISINGFROM A COURSE OR DEALING, USAGE OR TRADE PRACTICES, IN ALL CASES WITH RESPECT THERETO.Section 11.05 Limitation of Liability . NEITHER OF THE PARTIES SHALL BE ENTITLED TO RECOVER FROMTHE OTHER PARTY ANY SPECIAL, INCIDENTAL, INDIRECT, CONSEQUENTIAL OR PUNITIVE DAMAGES ORDAMAGES FOR LOSS OF PROFIT OR LOST OPPORTUNITY IN CONNECTION WITH THIS AGREEMENT, ITSPERFORMANCE OR LACK OF PERFORMANCE HEREUNDER, OR ANY LICENSE34[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.GRANTED HEREUNDER. THE FOREGOING SHALL NOT LIMIT ANY INDEMNIFICATION OBLIGATIONSHEREUNDER.ARTICLE XII.CONFIDENTIALITYSection 12.01 Generally . During the Term of this Agreement and for a period of five (5) years following the earlytermination of this Agreement, each Party (a) shall maintain in confidence all Confidential Information of the other Party; (b) shallnot use such Confidential Information for any purpose except in connection with the activities contemplated by this Agreement or inorder to further the purpose of this Agreement; and (c) shall not disclose such Confidential Information to anyone other than those ofits Affiliates, investors, prospective investors, lenders, prospective lenders, prospective acquirers, permitted sublicensees, prospectivesublicensees, employees, consultants, financial or legal advisors, agents or subcontractors who are bound by written obligations ofnondisclosure and non-use no less stringent than those set forth in this Article XII (Confidentiality) and to whom such disclosure isnecessary in connection with such Party’s activities as contemplated in this Agreement or in connection with financing or acquisitionactivities. Each Party shall ensure that such Party’s Affiliates, investors, prospective investors, lenders, prospective lenders,acquirors, prospective acquirors, permitted sublicensees, prospective sublicensees, employees, consultants, agents, consultants andsubcontractors comply with these obligations. Each Party shall notify the other Party promptly on discovery of any unauthorized useor disclosure of the other’s Confidential Information, including the other’s trade secrets or proprietary information. Licenseeacknowledges that all information related to Akebia’s and its Affiliates’ and sublicensees’ Development and Commercialization ofthe Licensed Product constitutes Confidential Information of Akebia.Section 12.02 Exceptions . The obligations of confidentiality, non-disclosure, and non-use set forth in Section 12.01(Generally) shall not apply to the extent the receiving Party (the “ Recipient ”) can demonstrate that the disclosed information(a) was in the public domain at the time of disclosure to the Recipient by the other Party, or thereafter entered the public domain, ineach case other than as a result of actions of the Recipient, its Affiliates, employees, licensees, agents or subcontractors, in breach ofthis Agreement; (b) was rightfully known by the Recipient or its Affiliates (as shown by its written records) prior to the date ofdisclosure to the Recipient by the other Party; (c) was received by the Recipient or its Affiliates on an unrestricted basis from a ThirdParty rightfully in possession of such information and not under a duty of confidentiality to the other Party; or (d) was independentlydeveloped by or for the Recipient or its Affiliates without reference to or reliance on the Confidential Information of the other Party(as demonstrated by written records). Notwithstanding any other provision of this Agreement, Recipient’s disclosure of ConfidentialInformation shall not be prohibited if such disclosure: (i) is in response to a valid order of a court or other governmental body; or(ii) is otherwise required by applicable law or regulation or rules of a nationally recognized securities exchange. Furthernotwithstanding any other provision of this Agreement, either Party may disclose the other Party’s Confidential Information to theextent necessary to exercise the rights granted to or retained by the Recipient under this Agreement, including but not limited infiling or prosecuting patent applications, prosecuting or defending litigation, responding to an investigation by a governmentalauthority, or otherwise establishing rights or enforcing obligations under this35[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Agreement, making Regulatory Filings with respect to Licensed Product in their respective territories and fields of use, or conductingDevelopment with respect to the Licensed Product. If a Recipient is required to disclose Confidential Information pursuant to thisSection 12.02 ( Exceptions ), prior to any disclosure the Recipient shall provide the other Party with prior written notice of suchdisclosure in order to permit the other Party to seek a protective order or other confidential treatment of such ConfidentialInformation.Section 12.03 Publicity . The Parties recognize that each Party may from time to time desire to issue press releases andmake other public statements or disclosures regarding the terms of this Agreement. In such event, the Party desiring to issue a pressrelease or make a public statement or disclosure shall provide the other Party with a copy of the proposed press release, statement ordisclosure for review and approval as soon as practicable prior to publication, which advance approval shall not be unreasonablywithheld, conditioned or delayed. No other public statement or disclosure of, or concerning, the terms of this Agreement shall bemade, either directly or indirectly, by either Party hereto, without first obtaining the written approval of the other Party. Once anypublic statement or disclosure has been approved in accordance with this Section 12.03 ( Publicity ), then either Party mayappropriately communicate information contained in such permitted statement or disclosure. Notwithstanding the foregoingprovisions of this Article XII ( Confidentiality ), a Party may (a) disclose the terms of this Agreement where required, asreasonably determined by the disclosing Party, by applicable law, regulation or legal process or by applicable stock exchange rule(with prompt notice of any such legally required disclosure to the other Party and to the extent practicable an opportunity tocomment on such disclosure) and (b) disclose the terms of this Agreement under obligations of confidentiality to such Party’sAffiliates, investors, prospective investors, lenders, prospective lenders, acquirors, prospective acquirors, permitted sublicensees,prospective sublicensees, employees, consultants, agents and subcontractors in connection with such Party’s activities hereunder andin connection with such Party’s financing activities.Section 12.04 Publications . The JSC will coordinate the plans of the Parties regarding planned publication in theTerritory of Clinical Data or other clinical or preclinical results relating to the Licensed Compound or Licensed Product into a singleschedule (“ Joint Publication Plan ”) that will be shared with the Parties. With respect to publication in any academic journal,authorship of any publication shall be determined based on the accepted standards used in peer-reviewed, academic journals at thetime of the proposed publication. Notwithstanding the forgoing, each Party recognizes the mutual interest in obtaining valid Patentprotection and in protecting business interests and trade secret information. Consequently, except for disclosures permitted pursuantto Section 12.02 ( Exceptions ), if either Party, its employees or consultants wishes to publish or present to any Third Party results ofthe Development work, or any research results, or any Clinical Data or other clinical information about a Licensed Compound,Licensed Product, Bundled Product, or Combination Product being Developed pursuant to this Agreement, it shall deliver to theother Party a copy of the proposed written publication or an outline of an oral disclosure as soon as practicable prior to submissionfor publication or presentation. The reviewing Party shall notify the other Party promptly after of receipt of such proposedpublication whether such draft publication contains (i) Confidential Information of the reviewing Party, or (ii) information that ifpublished would have an adverse effect on a Patent. The reviewing Party shall have the right to (a) propose modifications to thepublication or presentation for Patent reasons, trade secret reasons, confidentiality reasons or36[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.business reasons and/or (b) request a reasonable delay in publication or presentation in order to protect patentable information. If thereviewing Party requests a delay to protect patentable information, the publishing Party shall delay submission or presentation for aperiod not to exceed [***] days to enable Patent applications protecting each Party’s rights in such information to be filed inaccordance with the terms of this Agreement. Upon expiration of such [***] days, the publishing Party shall be free to proceed withthe publication or presentation. If the reviewing Party reasonably requests modifications to the publication or presentation to preventdisclosure of material trade secret or proprietary business information, the publishing Party shall edit such publication to prevent thedisclosure of such information prior to submission of the publication or presentation.Section 12.05 Injunctive Relief . Each Party acknowledges and agrees that there may be no adequate remedy at law forany breach of its obligations under this Article XII ( Confidentiality ), that any such breach may result in irreparable harm to suchother Party and, therefore, that upon any such breach or any threat thereof, such other Party may seek appropriate equitable relief inaddition to whatever remedies it might have at law, without the necessity of showing actual damages.ARTICLE XIII.INDEMNIFICATIONSection 13.01 Indemnification by Akebia . Unless otherwise provided herein, Akebia shall indemnify, hold harmlessand defend Licensee and its Affiliates, directors, officers, employees and agents (the “ Licensee Indemnitees ”) from and againstany and all Third Party suits, claims, actions, demands, liabilities, expenses and/or losses (including reasonable attorneys’ fees, courtcosts, witness fees, damages, judgments, fines and amounts paid in settlement) (“ Losses ”) to the extent that such Losses arise out of(a) a breach of this Agreement by Akebia, (b) the Development, manufacture, distribution, storage, transportation, use, testing,promotion, marketing, sale or other disposition of a Licensed Product by or on behalf of Akebia or its sublicensees outside theTerritory, or the conduct of the Global Phase 3 Program in the Territory or (c) the negligence or willful misconduct of any AkebiaIndemnitee (as defined in Section 13.02 ( Indemnification by Licensee )). Notwithstanding the foregoing, Akebia shall not haveany obligation to indemnify the Licensee Indemnitees to the extent that any Losses arise out of the negligence or willful misconductof any Licensee Indemnitee or any breach of this Agreement by Licensee.Section 13.02 Indemnification by Licensee . Unless otherwise provided herein, Licensee shall indemnify, hold harmlessand defend Akebia and any its Affiliates, directors, officers, employees and agents (the “ Akebia Indemnitees ”) from and againstany and all Losses, to the extent that such Losses arise out of (a) a breach of this Agreement by Licensee, (b) the Development,manufacture, distribution, storage, transportation, use, testing, promotion, marketing, sale or other disposition of a Licensed Productby or on behalf of Licensee or its sublicensees inside the Territory or (c) the negligence or willful misconduct of any LicenseeIndemnitee. Notwithstanding the foregoing, Licensee shall not have any obligation to indemnify the Akebia Indemnitees to theextent that any Losses arise out of the negligence or willful misconduct of any Akebia Indemnitee or any breach of this Agreementby Akebia.37[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 13.03 Procedure . In the event of a claim by a Third Party against a Party entitled to indemnification under thisAgreement (“ Indemnified Party ”), the Indemnified Party shall notify the other Party (“ Indemnifying Party ”) within five (5)Business Days in writing of the claim and the Indemnifying Party shall undertake and solely manage and control, at its sole expense,the defense of the claim and its settlement. The Indemnified Party shall cooperate with the Indemnifying Party. The IndemnifiedParty may, at its option and expense, be represented in any such action or proceeding by counsel of its choice. The IndemnifyingParty shall not be liable for any litigation costs or expenses incurred by the Indemnified Party without the Indemnifying Party’swritten consent. The Indemnifying Party shall not settle any such claim unless such settlement fully and unconditionally releases theIndemnified Party from all liability relating thereto, unless the Indemnified Party otherwise agrees in writing.Section 13.04 Insurance . Each Party shall, at its own expense, obtain and maintain insurance with respect to theDevelopment and Commercialization of Licensed Compounds and Licensed Products under this Agreement in such amount andsubject to such deductibles and other limitations as biopharmaceutical companies in the Territory customarily maintain with respectto the research, development, and commercialization of similar products. Each Party shall provide a copy of such insurance policy tothe other Party upon request. ARTICLE XIV.TERM AND TERMINATIONSection 14.01 Term . The term of this Agreement shall begin on the Effective Date and, unless earlier terminated inaccordance with the terms of this Article XIV ( Term and Termination ), will expire upon the expiration of the Royalty Term (the“ Term ”). Upon the expiration of this Agreement in accordance with the preceding sentence, the licenses granted pursuant toSection 2.01 ( Grant of License ) shall become royalty-free, fully paid up licenses with no additional payments and no royalties duehereunder (other than amounts previously accrued prior to the expiration of the Royalty Term). For clarity, no royalties shall be dueunder Section 8.04 ( Royalties ) of this Agreement following the expiration of the Royalty Term. Notwithstanding the expiration ofthe Term, any and all supply agreements entered into by the Parties in accordance with Section 7.01 (Manufacture and Supply ofLicensed Products) hereof shall continue in accordance with their terms.Section 14.02 Termination for Breach . Subject to the terms and conditions of this Section 14.02 ( Termination forBreach ), a Party (the “ Non-Breaching Party ”) shall have the right, in addition to any other rights and remedies, to terminate thisAgreement in the event the other Party (the “ Breaching Party ”) is in material breach of its obligations under this Agreement. TheNon-Breaching Party shall first provide written notice to the Breaching Party, which notice shall identify with particularity thealleged breach. With respect to material breaches of any payment provision hereunder, the Breaching Party shall have a period of[***] days after such written notice is provided to cure such breach. With respect to all other breaches, the Breaching Party shallhave a period of [***] days after such written notice is provided to cure such breach. If such breach is not cured within theapplicable period set forth above, the Non-Breaching Party shall have a period of [***] days to (i) enter into good faith discussionswith the Breaching Party regarding potential alternatives to termination, and/or (ii)38[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.terminate this Agreement upon written notice to the Breaching Party, unless the Breaching Party has commenced a cure and isdiligently pursuing such cure at the end of such period, pursuant to an acceptable plan for such cure approved by the other Party,such approval not to be unreasonably withheld, conditioned or delayed. Notwithstanding the foregoing, if a Party gives to the otherParty a notice pursuant to this Section 14.02 ( Termination for Breach ) of a material breach by such other Party, and such otherParty provides notice during the applicable cure period set forth above that such other Party disputes the basis for terminationpursuant to this Section 14.02 ( Termination for Breach ), then this Agreement shall not terminate unless and until an arbitratorissues a final award pursuant to Section 15.02 ( Arbitration ) upholding such basis for termination provided that the resolution ofsuch dispute is promptly commenced and diligently pursued by the non-terminating Party. The waiver by either Party of any breachof any term or condition of this Agreement shall not be deemed a waiver as to any subsequent or similar breach.Section 14.03 Termination for Convenience . At any time after the second anniversary of the Effective Date, Licenseeshall have the right to terminate this Agreement for convenience upon twelve (12) months prior written notice, which notice periodmay be shortened by Akebia in its sole discretion.Section 14.04 Termination for Bankruptcy . To the extent permitted under applicable laws, if at any time during theTerm, an Event of Bankruptcy (as defined below) relating to either Party (the “ Bankrupt Party ”) occurs, the other Party (the “Other Party ”) shall have, in addition to all other legal and equitable rights and remedies available hereunder, the option to terminatethis Agreement upon sixty (60) days written notice to the Bankrupt Party. It is agreed and understood that if the Other Party does notelect to terminate this Agreement upon the occurrence of an Event of Bankruptcy, except as may otherwise be agreed with the trusteeor receiver appointed to manage the affairs of the Bankrupt Party, the Other Party shall continue to make all payments required of itunder this Agreement as if the Event of Bankruptcy had not occurred, the Bankrupt Party shall not have the right to terminate anylicense granted herein. The term “ Event of Bankruptcy ” means: (i) filing in any court or agency pursuant to any statute orregulation of any state or country, a petition in bankruptcy or insolvency or for reorganization or for an arrangement or for theappointment of a receiver or trustee of the Bankrupt Party or of its assets or (ii) being served with an involuntary petition against theBankrupt Party, filed in any insolvency proceeding, and such petition shall not be dismissed within sixty (60) days after the filingthereof. Without limitation, the Bankrupt Party’s rights under this Agreement shall include those rights afforded by 11 U.S.C.§ 365(n) of the United States Bankruptcy Code (the “ Bankruptcy Code ”) and any successor thereto. If the bankruptcy trustee of aBankrupt Party as a debtor or debtor-in-possession rejects this Agreement under 11 U.S.C. § 365(o) of the Bankruptcy Code, theOther Party may elect to retain its rights licensed from the Bankrupt Party hereunder (and any other supplementary agreementshereto) for the duration of this Agreement and avail itself of all rights and remedies to the full extent contemplated by this Agreementand 11 U.S.C. § 365(n) of the Bankruptcy Code, and any other relevant laws.Section 14.05 Effect of Termination by Akebia . In the event of any termination of this Agreement by Akebia pursuantto Section 14.02 (Termination for Breach), the following shall apply:39[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.(a) Licensee shall cease using the Akebia Technology and return all inventory of the Licensed Compound and LicensedProduct to Akebia together with all copies of the Akebia Know-How and other Confidential Information in the possession or controlof Licensee and its Affiliates and sublicensees;(b) Akebia shall have, and Licensee hereby grants to Akebia with effect from the date of termination, a non-exclusive,fully paid‑up, worldwide right and license, with the right to grant sublicenses in multiple tiers, under all Improvements, LicenseePatents, Licensee Inventions and Licensee Technology originating during the Term to research, develop, make, have made, use,import, offer for sale, sell and otherwise exploit the Licensed Compound in the Field inside and outside the Territory, alone or asincorporated into a Licensed Product, only to the extent necessary or useful to research, develop, make, have made, use, import, offerfor sale, sell and otherwise exploit the Licensed Compounds, Licensed Products, Combination Products or Bundled Products in theField inside and outside the Territory; provided that such license shall exclude any Third-Party owned patents, inventions andtechnology unless Licensee has rights to grant a license to such intellectual property pursuant to the terms of the license from theThird Party. If Licensee is unable to sub-license any patents, inventions or know-how owned by Third Parties to Akebia pursuant tothis Section 14.05(b) without the consent of the Third Party, Licensee undertakes, on request from Akebia, to use its reasonableendeavors to procure such licenses on behalf of Akebia in as far as they are able to do so and Akebia will pay such fees and agree tobe bound by the terms agreed between Akebia and the Third Party licensor;(c) Licensee shall, at Akebia’s written request, promptly (and in any event within [***] days after Licensee’s receipt ofsuch request): (1) assign and transfer to Akebia all of Licensee right, title, and interest in and to all Regulatory Filings, RegulatoryApprovals, clinical trial agreements (to the extent assignable and not cancelled), confidentiality and other agreements and datarelating to Development or Commercialization of Licensed Products, including data, materials, and Know-How relating to clinicaltrials, in each case to the extent in Licensee’s Control and to the extent related to the Licensed Product in the Territory; and(2) disclose to Akebia all documents, which are in Licensee’s Control or which it is able to obtain using reasonable efforts,embodying the foregoing; and(d) the costs associated with the assignments set forth in Section 14.05(c) shall be borne by Licensee.Section 14.06 Effect of Termination by Licensee . In the event of any termination of this Agreement by Licenseepursuant to Section 14.02 ( Termination for Breach ), the Parties shall enter into good faith discussions regarding a royalty-bearingnon-exclusive license from Licensee to Akebia, with the right to grant sublicenses, under all Improvements, Licensee Patents,Licensee Inventions and Licensee Technology to research, develop, make, have made, use, import, offer for sale, sell and otherwiseexploit the Licensed Compound in the Field inside and outside the Territory, alone or as incorporated into a Licensed Product, onlyto the extent necessary or useful to research, develop, make, have made, use, import, offer for sale, sell and otherwise exploit theLicensed Compounds, Licensed Products, Combination Products or Bundled Products in the Field inside and outside the Territory.Section 14.05(a) and Section 14.05(c) shall apply, and the costs associated with the assignments set forth in Section 14.05(c) shallbe borne by Akebia. In the event of any termination of this Agreement by40[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Licensee pursuant to Section 14.03 ( Termination for Convenience ), Section 14.05(a ) through Section 14.05(d ) shall apply.Section 14.07 Survival; Accrued Rights . The following articles and sections of this Agreement shall survive expirationor early termination for any reason: Article I ( Definitions ), Article VIII ( Payments ) (with respect to any payment obligationsincurred prior to expiration or termination), Section 9 .01 ( Akebia Intellectual Property ), Section 9.02 ( Licensee IntellectualProperty ), Section 9.03 ( Joint Technology and Improvements ), Section 9.04 ( Prosecution of Akebia Patents ), Section 9.05 (Prosecution of Licensee Patents Covering Improvements ), Section 9.06 ( Prosecution of Joint Patents ), Section 9.09 ( PatentTerm Extensions ), Article XI ( Representations, Warranties, and Covenants ), Article XII ( Confidentiality ), Article XIII (Indemnification ), Section 14.04 ( Termination for Bankruptcy ), Section 14.05 ( Effect of Termination by Akebia ), Section14.06 ( Effect of Termination by Licensee ), Section 14.07 ( Survival: Accrued Rights ), Article XV ( Dispute Resolution;Governing Law ), and Article XVI ( Miscellaneous ). In any event, expiration or termination of this Agreement shall not relievethe Parties of any liability which accrued hereunder prior to the effective date of such expiration or termination nor preclude eitherParty from pursuing all rights and remedies it may have hereunder or at law or in equity with respect to any breach of thisAgreement, nor prejudice either Party’s right to obtain performance of any obligation.ARTICLE XV.DISPUTE RESOLUTION; GOVERNING LAWSection 15.01 Executive Officers; Disputes . Each Party shall ensure that an executive officer is designated for suchParty at all times during the Term of this Agreement for dispute resolution purposes, and shall promptly notify the other Party of anychange in its designated executive officer. Unless otherwise set forth in this Agreement, in the event of a dispute arising under thisAgreement between the Parties, the Parties shall refer such dispute to the respective executive officers, and such executive officersshall attempt in good faith to resolve such dispute. If the dispute is an Akebia Reserved Dispute, then the executive officer of Akebiashall have the final say on such dispute. If the dispute is a Licensee Reserved Dispute, then the executive officer of Licensee shallhave the final say on such dispute.Section 15.02 Arbitration . If the Parties are unable to resolve a given dispute, other than an Akebia Reserved Dispute ora Licensee Reserved Dispute, [***] days after referring such dispute to the executive officers pursuant to Section 15.01 ( ExecutiveOfficers; Disputes ), then either Party may have the given dispute settled by binding arbitration in the manner described below:(a) Arbitration Request . If a Party intends to begin an arbitration to resolve a dispute arising under this Agreement, suchParty shall provide written notice (the “ Arbitration Request ”) to the other Party of such intention and the issues forresolution. From the date of the Arbitration Request and until such time as the dispute has become finally settled, the running of thetime periods as to which a Party must cure a breach of this Agreement becomes suspended as to the subject matter of the dispute.41[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.(b) Additional Issues . Within ten (10) days after the receipt of the Arbitration Request, the other Party may, by writtennotice, add additional issues for resolution.(c) Arbitration Procedure . Except as expressly provided herein, any dispute, controversy or claim arising out of or inconnection with this Agreement, including any question regarding its existence, validity or termination, shall be referred to andfinally resolved by arbitration under the London Court of International Arbitration Rules, which rules are deemed to be incorporatedby reference into this Section 15.02(c) ( Arbitration ). There shall be one arbitrator, and such arbitrator will be chosen pursuant tothe London Court of International Arbitration Rules. The seat, or legal place, of arbitration shall be London, England, or such othervenue as the Parties agree. The language to be used in the arbitral proceedings shall be English. Nothing in this Agreement shall bedeemed as preventing either Party from seeking injunctive relief (or any other provisional remedy) from any court having jurisdictionover the Parties and the subject matter of the dispute as necessary to protect either Party’s name, proprietary information, tradesecrets, know-how or any other proprietary right or otherwise to avoid irreparable harm. If the issues in dispute involve scientific ortechnical matters, any arbitrator chosen hereunder shall have educational training and/or experience sufficient to demonstrate areasonable level of knowledge in the field of biotechnology and pharmaceuticals. Judgment on the award rendered by the arbitratormay be entered in any court having jurisdiction thereof.Section 15.03 Choice of Law . This Agreement and all amendments, modifications, alterations, or supplements hereto,and the rights of the Parties hereunder, shall be construed under and governed by the laws of the State of New York, United States,exclusive of its conflicts of laws principles. This Agreement has been prepared in the English language and the English languageshall control its interpretation. All consents, notices, reports and other written documents to be delivered or provided by a Partyunder this Agreement shall be in the English language, and in the event of any conflict between the provisions of any document andthe English language translation thereof, the terms of the English language translation shall control.ARTICLE XVI.MISCELLANEOUSSection 16.01 Assignment . Either Party may assign this Agreement and the licenses herein granted (a) to any Affiliate ofsuch Party without the prior written consent of the other Party, provided that such Party remains fully liable for the performance ofsuch Party’s obligations hereunder by such Affiliate and such Party so informs the other Party of the assignment, (b) prior to [***],with the other Party’s prior written consent, (c) [***], with the other Party’s prior written consent unless such assignment is to anyThird Party purchaser of all or substantially all of the assets or businesses to which this Agreement relates, in which case theassigning Party will provide prior written notice to the other Party and need not obtain the other Party’s consent. Any otherassignment of this Agreement by a Party requires the prior written consent of the other Party. Any assignment in violation of thisSection 16.01 ( Assignment ) shall be null and void. This Agreement shall be binding on and shall inure to the benefit of thepermitted successors and assigns of the Parties hereto.42[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 16.02 Standstill . During the Term, Licensee shall not directly or indirectly, without the prior approval of theBoard of Directors of Akebia, acquire common shares of Akebia in the public market or from other shareholders exceeding anaggregate total equity stake of [***] on a fully diluted as converted basis.Section 16.03 Non-Competition . During the Term of this Agreement, Licensee shall not [***] (“ Competing Product”). Competing Product shall not include (i) any product set forth in Exhibit B, the contents of which shall be agreed upon by theParties within thirty (30) days after the Effective Date, or (ii) any product containing [***]. For the avoidance of doubt, this Section16.03 ( Non-Competition ) shall not apply to Affiliates of Licensee [***]. Notwithstanding the foregoing, at any time during theTerm, if Licensee wishes to promote or sell a Competing Product, Licensee may request Akebia’s consent to promote or sell saidCompeting Product. Following the request by Licensee, the Parties shall enter into good faith discussions regarding such request.Section 16.04 Additional Collaboration . Within [***] after the Effective Date, the Parties will discuss the [***].Section 16.05 Force Majeure . If either Party shall be delayed, interrupted in or prevented from the performance of anyobligation hereunder by reason of force majeure including an act of God, fire, flood, earthquake, war (declared or undeclared), publicdisaster, act of terrorism, strike or labor differences, such Party shall not be liable to the other therefor; and the time for performanceof such obligation shall be extended for a period equal to the duration of the force majeure which occasioned the delay, interruptionor prevention. The Party invoking such force majeure rights of this Section 16.05 ( Force Majeure ) must notify the other Party bycourier or overnight dispatch (e.g., Federal Express) within a period of thirty (30) days of both the first and last day of the forcemajeure unless the force majeure renders such notification impossible in which case notification will be made as soon as possible. Ifthe delay resulting from the force majeure exceeds [***].Section 16.06 Entire Agreement . This Agreement, together with Exhibit A and Exhibit B attached hereto, constitutes theentire agreement between the Parties with respect to the subject matter hereof and shall not be modified, amended or terminated,except as herein provided or except by another agreement in writing executed by the Parties hereto.Section 16.07 Severability . If any provision of this Agreement is declared invalid by a court of last resort or by any courtor other governmental body from the decision of which an appeal is not taken within the time provided by law, then and in suchevent, this Agreement will be deemed to have been terminated only as to the portion thereof that relates to the provision invalidatedby that decision and only in the relevant jurisdiction, but this Agreement, in all other respects and all other jurisdictions, will remainin force; provided, however , that if the provision so invalidated is essential to the Agreement as a whole, then the Parties shallnegotiate in good faith to amend the terms hereof as nearly as practical to carry out the original intent of the Parties, and, failing suchamendment, either Party may submit the matter for resolution pursuant to Article XV ( Dispute Resolution; Governing Law ).43[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Section 16.08 Notices . Any notice or report required or permitted to be given under this Agreement shall be in writingand shall be mailed by internationally recognized express delivery service, or sent by facsimile and confirmed by mailing, as follows:If to Akebia:Akebia Therapeutics, Inc.245 First Street, Suite 1100Cambridge, MA 02142, U.S.A.Attention: Chief Executive OfficerFacsimile:With a copy to (which shall not constitute notice for purposes of this Agreement):Akebia Therapeutics, Inc.245 First Street, Suite 1100Cambridge, MA 02142Attention: General CounselFacsimile:If to Licensee:Mitsubishi Tanabe Pharma Corporation17-10, Nihonbashi-Koamicho,Chuo-ku, Tokyo 103-8405, JapanAttention: General Manager Business Development Department Facsimile:With a copy to (which shall not constitute notice for purposes of this Agreement):Mitsubishi Tanabe Pharma Corporation3-2-10 Dosho-machiCho-ku, Osaka, JapanAttention: General Manager Legal Affairs & Intellectual Property Department Facsimile:Section 16.09 Further Assurances . The Parties agree to reasonably cooperate with each other in connection with anyactions required to be taken as part of their respective obligations under this Agreement, and shall (a) furnish to each other suchfurther information; (b) execute and deliver to each other such other documents; and (c) do such other acts and things (includingworking collaboratively to correct any clerical, typographical, or other similar errors in this Agreement), all as the other Party mayreasonably request for the purpose of carrying out the intent of this Agreement.Section 16.10 Agency . Neither Party is, nor will be deemed to be an employee, agent or representative of the other Partyfor any purpose. Each Party is an independent contractor, not an44[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.employee or partner of the other Party. Neither Party shall have the authority to speak for, represent or obligate the other Party inany way without prior written authority from the other Party.Section 16.11 No Waiver . Any omission or delay by either Party at any time to enforce any right or remedy reserved toit, or to require performance of any of the terms, covenants or provisions hereof, by the other Party, shall not constitute a waiver ofsuch Party’s rights to the future enforcement of its rights under this Agreement. Any waiver by a Party of a particular breach ordefault by the other Party shall not operate or be construed as a waiver of any subsequent breach or default by the other Party.Section 16.12 No Strict Construction . This Agreement has been prepared jointly by the Parties and shall not be strictlyconstrued against either Party.Section 16.13 Cumulative Remedies . No remedy referred to in this Agreement is intended to be exclusive, but eachshall be cumulative and in addition to any other remedy referred to in this Agreement or otherwise available under law.Section 16.14 Counterparts . This Agreement may be executed in counterparts, all of which taken together shall beregarded as one and the same instrument. 45[***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIALIN WITNESS WHEREOF, the Parties have executed this Agreement through their duly authorized representatives to beeffective as of the Effective Date.AKEBIA THERAPEUTICS, INC. By: /s/ John P. Butler By: /s/ Jason A. Amello Name: John P. Butler Name: Jason A. Amello Title: President & Chief Executive Officer Title: Senior Vice President,Chief Financial Officer & Treasurer MITSUBISHI TANABE PHARMA CORPORATION By: /s/ Masayuki Mitsuka Name: Masayuki Mitsuka Title: President & Representative DirectorChief Executive Officer [***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIALExhibit AList of Akebia Patents Patent/Patent Application No.CountryTitleFiling Date and Grant/Issue DateWO 2008002576PCTPROLYL HYDROXYLASE INHIBITORS ANDMETHODS OF USEJune 26, 2007ID P0031690Indonesia September 7, 2012IN 509/DELNP/2009India January 21, 2009JP 5113838Japan October 19, 2012KR 1130592South Korea December 28, 2011PH 1-2009-500030Philippines June 27, 2013SG 149144Singapore September 30, 2011 WO 2012170377PCTPROCESS FOR PREPARING [(3-HYDROXYPYRIDINE-2-CARBONYL)AMINO]ALKANOIC ACIDS, ESTERS AND AMIDESJune 5, 2012IN 9697/CHENP/2013India pendingJP 2014-514536Japan pendingKR 2014-7000297South Korea pending WO 2014200773PCTCOMPOSITIONS AND METHODS FORTREATING ANEMIAJune 4, 2014TW 103120661Taiwan pending WO 2015073779PCTSOLID FORMS OF {[5-(3-CHLOROPHENYL)-3-HYDROXYPYRIDINE-2-CARBONYL]AMINO}ACETIC ACID,COMPOSITIONS, AND USES THEREOFNovember 14, 2014TW 103139670Taiwan pending [***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.CONFIDENTIALExhibit BProducts Not Considered Competing Products Pursuant to Section 16.03(i)[To be agreed upon by the Parties][***] Portions of this exhibit have been redacted pursuant to a confidential treatment request. An unredacted version of this exhibit has been filed separately with the Commission.Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT Name Ownership Percentage Jurisdiction of OrganizationAkebia Therapeutics Securities Corporation 100% MassachusettsAkebia Europe Limited 100% Ireland Exhibit 23.1CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRMWe consent to the incorporation by reference in the following Registration Statements: (1)Registration Statement (Form S-3 No. 333-203206) of Akebia Therapeutics, Inc., (2)Registration Statement (Form S-8 No. 333-196748) pertaining to the Amended and Restated 2008 Equity Incentive Plan, the 2014 Incentive Plan, andthe 2014 Employee Stock Purchase Plan of Akebia Therapeutics, Inc., and (3)Registration Statement (Form S-8 No. 333-209469) pertaining to the 2014 Incentive Plan and the 2014 Employee Stock Purchase Plan of AkebiaTherapeutics, Inc.;of our report dated March 14, 2016, with respect to the consolidated financial statements of Akebia Therapeutics, Inc. included in this Annual Report (Form 10-K)for the year ended December 31, 2015. /s/ Ernst & Young LLPBoston, MassachusettsMarch 14, 2016 Exhibit 31.1CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002I, John P. Butler, certify that:1.I have reviewed this Annual Report on Form 10-K of Akebia Therapeutics, Inc.;2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(f) and 15d-15(f)) for the registrant and have: (a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensurethat material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities,particularly during the period in which this report is being prepared; (b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision,to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes inaccordance with generally accepted accounting principles; (c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and (d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscalquarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect,the registrant’s internal control over financial reporting; and5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to theregistrant’s auditors and the Audit Committee of the registrant’s Board of Directors (or persons performing the equivalent functions): (a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likelyto adversely affect the registrant’s ability to record, process, summarize and report financial information; and (b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control overfinancial reporting. Date: March 14, 2016By: /s/ John P. Butler John P. Butler President, Chief Executive Officer and Director (Principal Executive Officer) Exhibit 31.2CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002I, Jason A. Amello, certify that:1.I have reviewed this Annual Report on Form 10-K of Akebia Therapeutics, Inc.;2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in ExchangeAct Rules 13a-15(f) and 15d-15(f)) for the registrant and have: (a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensurethat material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities,particularly during the period in which this report is being prepared; (b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision,to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes inaccordance with generally accepted accounting principles; (c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and (d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscalquarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect,the registrant’s internal control over financial reporting; and5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to theregistrant’s auditors and the Audit Committee of the registrant’s Board of Directors (or persons performing the equivalent functions): (a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likelyto adversely affect the registrant’s ability to record, process, summarize and report financial information; and (b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control overfinancial reporting. Date: March 14, 2016By: /s/ Jason A. Amello Jason A. Amello Senior Vice President, Chief Financial Officer andTreasurer (Principal Financial Officer) Exhibit 32.1CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (18 U.S.C. Section 1350In connection with the accompanying Annual Report of Akebia Therapeutics, Inc. (the Company) on Form 10-K for the fiscal year ended December 31, 2015 (theReport), I, John P. Butler, as Chief Executive Officer and President of the Company, and I, Jason A. Amello, as Senior Vice President, Chief Financial Officer andTreasurer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Date: March 14, 2016By: /s/ John P. Butler John P. Butler President, Chief Executive Officer and Director (Principal Executive Officer) Date: March 14, 2016By: /s/ Jason A. Amello Jason A. Amello Senior Vice President, Chief Financial Officerand Treasurer (Principal Financial Officer) Exhibit 99.1 Akebia Therapeutics, Inc.245 First Street, Suite 1100Cambridge, MA 02142T: +1 617.871.2098 F: +1 617.871.2099www.akebia.comMarch 14, 2016Akebia Announces Fourth Quarter and Full-Year 2015 Financial Results -Company to Host Conference Call at 4:30 PM Eastern Time-CAMBRIDGE, Mass. – March 14, 2016 - Akebia Therapeutics, Inc. (NASDAQ:AKBA), a biopharmaceutical company focused on deliveringinnovative therapies to patients through the biology of hypoxia-inducible factor (HIF), today announced financial results for the fourth quarterand full year ended December 31, 2015.“During 2015, we successfully executed all of our clinical and corporate objectives and we are well-positioned to build on this momentum in2016,” stated John P. Butler, President and Chief Executive Officer of Akebia. “We have continued to demonstrate the therapeutic potentialof HIF stabilization and presented positive data on vadadustat in both dialysis and non-dialysis patients at major renal conferences last year.This year we plan to advance our global Phase 3 PRO 2 TECT program in non-dialysis dependent patients, launch our global Phase 3 INNO 2VATE program in dialysis dependent patients, and initiate a Phase 1 study of AKB-6899 in oncology.”Mr. Butler continued, “We continue to drive our global commercialization and partnering strategy for vadadustat. Our collaboration withMitsubishi Tanabe provides us with a strong commercial partner for vadadustat in Japan and certain other Asian countries, and confirms thepotential for the product in these markets and globally.” 2015 Full-Year and Recent Corporate Highlights ·Initiated the global Phase 3 PRO 2 TECT Program evaluating vadadustat in non-dialysis dependent patients with anemia relatedto chronic kidney disease (NDD-CKD); ·Entered into a collaboration with Mitsubishi Tanabe Pharma Corporation to develop and commercialize vadadustat in Japan andcertain other countries in Asia for total milestone payments of up to $350 million, including $100 million in upfront anddevelopment payments of which $40 million was received in January 2016, in addition to tiered double-digit royalty payments; ·Preserved access to the European market for vadadustat by prevailing in a patent dispute in which the European Patent Officeconfirmed that none of FibroGen, Inc.’s patent claims met the requirements for patentability and, as a result, revoked the patentin its entirety; ·Preserved access to the Japanese market for vadadustat by prevailing in a patent dispute in which the Japanese Patent Officeconfirmed that none of FibroGen, Inc.’s patent claims met the requirements for patentability and, as a result, the patent wasnarrowed to exclude vadadustat without an appeal right in Japan; ·Presented positive results from the Phase 2b study of vadadustat in NDD-CKD at the 2015 International Society of Nephrology’sbiennial World Congress of Nephrology, the ERA-EDTA Congress, and ASN Kidney Week meetings, demonstrating thepotential of vadadustat to tightly control hemoglobin levels within a clinically desired range in NDD-CKD patients; ·Presented data from the Phase 2 study of vadadustat in dialysis dependent CKD patients at the ASN Kidney Week meeting,demonstrating that vadadustat was well tolerated and maintained stable hemoglobin levels across all three dosing regimencohorts following conversion from recombinant erythropoiesis-stimulating agent therapy;1 ·Opened an oncology Investigational New Drug (IND) applicatio n for AKB-6899, the company’s second HIF-prolyl-hydroxylaseinhibitor, with the U.S. Food and Drug Administration; ·Raised an aggregate of approximately $144 million, net, through public offerings of common stock during 2015 and throughJanuary 2016; and ·Added Ramin Farzaneh-Far, M.D., Vice President of Medical Research, formerly Director of Cardiovascular Research at Gilead,Inc., to the senior management team.Financial ResultsAkebia reported a net loss of ($19.9) million, or ($0.66) per share, for the fourth quarter of 2015. Net loss for the fourth quarter of 2014 was($10.4) million or ($0.52) per share.Akebia reported a net loss for the full year of 2015 of ($60.7) million, or ($2.29) per share. Net loss for the full year of 2014, which includesaccretion on preferred stock of $86.9 million through March 25, 2014, the date of the Company’s initial public offering, was ($123.9) millionor ($8.04) per share. Research and development expenses were $14.2 million for the fourth quarter of 2015 compared to $6.4 million for the fourth quarter of2014. Research and development expenses were $43.0 million for the full year of 2015 compared to $23.3 million for the full year of 2014.The increase in both periods is primarily attributable to costs related to the initiation of the PRO 2 TECT Phase 3 program. Research anddevelopment expenses in both periods were further increased by drug development costs for AKB-6899 and personnel-related costs due toadditional headcount.General and administrative expenses were $5.8 million for the fourth quarter of 2015 compared to $4.2 million for the fourth quarter of 2014.General and administrative expenses were $18.5 million for the full year of 2015 compared to $14.7 million for the full year of 2014. Theincrease in general and administrative expenses for both periods is primarily related to increased personnel-related costs due to additionalheadcount, facility related costs and commercial planning costs. The Company’s cash used in operations during the fourth quarter of 2015 was $22.9 million, an increase of $13.7 million from $9.2 millionfor the same period of 2014. The Company’s cash used in operations during the full year of 2015 was $52.4 million, an increase of $24.9million from $27.5 million for the same period of 2014. The Company ended 2015 with cash, cash equivalents and available for salesecurities of $138.5 million and expects its existing cash resources, together with the net proceeds from the follow-on public offering inJanuary 2016 and the funds received in January 2016 from Mitsubishi Tanabe, to support operations through at least the second quarter of2017.Conference Call to Discuss Full Year 2015 Financial ResultsAkebia management will host a conference call to review the results beginning at 4:30 pm Eastern Time today, Monday, March 14, 2016. Alive audio webcast of the presentation will be available on the company's website at http://ir.akebia.com/events.cfm . An archivedpresentation will be available for 90 days.To access the conference call, follow these instructions:Dial: (877) 458-0977 (U.S.); (484) 653-6724 (international) Conference ID: 67706535About Akebia TherapeuticsAkebia Therapeutics, Inc. is a biopharmaceutical company headquartered in Cambridge, Massachusetts, focused on delivering innovativetherapies to patients with kidney disease through hypoxia-inducible factor (HIF) biology. Akebia has completed Phase 2 development of itslead product candidate, vadadustat (formerly AKB-6548), an oral therapy for the treatment of anemia related to chronic kidney disease (CKD)in both non-dialysis and dialysis patients. Enrollment in the PRO 2 TECT Phase 3 program in non-dialysis commenced in late 2015 and theINNO 2 VATE Phase 3 program in dialysis-dependent CKD patients is expected to commence in 2016. For more information, please visit ourwebsite at www.akebia.com . 2 Forward-Looking StatementsThis press release includes forward-looking statements. Such forward-looking statements include those about Akebia’s strategy, future plansand prospects, including statements regarding the potential indications and benefits of vadadustat, the timing of the INNO 2 VATE and PRO 2TECT clinical programs, and the commencement of clinical development for AKB-6899. The words “anticipate,” “appear,” “believe,”“estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “will,” “would,” “could,” “should,” “continue,” andsimilar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifyingwords. Each forward-looking statement is subject to risks and uncertainties that could cause actual results to differ materially from thoseexpressed or implied in such statement, including the risk that existing preclinical and clinical data may not be predictive of the results ofongoing or later clinical trials; the ability of Akebia to successfully complete the clinical development of vadadustat; the funding required todevelop Akebia’s product candidates and operate the company, and the actual expenses associated therewith; the cost of the Phase 1 study ofAKB-6899 and the Phase 3 studies of vadadustat and the availability of financing to cover such costs; the timing and content of decisionsmade by the FDA and other regulatory authorities; the rate of enrollment in clinical studies of vadadustat and AKB-6899; the actual time ittakes to prepare for and initiate clinical studies; the success of competitors in developing product candidates for diseases for which Akebia iscurrently developing its product candidates; and Akebia’s ability to obtain, maintain and enforce patent and other intellectual propertyprotection for vadadustat. Other risks and uncertainties include those identified under the heading “Risk Factors” in Akebia’s Annual Reporton Form 10-K for the fiscal year ended December 31, 2015, and other filings that Akebia may make with the Securities and ExchangeCommission in the future. Akebia does not undertake, and specifically disclaims, any obligation to update any forward-looking statementscontained in this press release. Tables Follow:3 AKEBIA THERAPEUTICS, INC.Consolidated Statements of Operations(in thousands except share and per share data)(unaudited) Three months ended December 31, Year ended December 31, 2015 2014 2015 2014 Operating expenses: Research and development $14,244 $6,399 $43,016 $23,263 General and administrative 5,806 4,208 18,497 14,677 Total operating expenses 20,050 10,607 61,513 37,940 Operating loss (20,050) (10,607) (61,513) (37,940)Other income, net 193 237 797 906 Net loss $(19,857) $(10,370) $(60,716) $(37,034)Reconciliation of net loss to net loss applicable to common stockholders: Net loss $(19,857) $(10,370) $(60,716) $(37,034)Accretion on preferred stock — — — (86,899)Net loss applicable to common stockholders $(19,857) $(10,370) $(60,716) $(123,933)Net loss per share applicable to common stockholders—basic and diluted $(0.66) $(0.52) $(2.29) $(8.04)Weighted-average number of common shares used in net loss per share applicable to common stockholders—basic and diluted 30,309,251 19,815,141 26,469,170 15,406,386 AKEBIA THERAPEUTICS, INC.Selected Balance Sheet Data(in thousands)(unaudited) December31, 2015 December 31,2014 Cash, cash equivalents and available for sale securities $138,454 $108,918 Working capital 129,149 103,595 Total assets 142,940 110,995 Total stockholders’ equity 130,998 104,078 Investors:Argot Partners Susan Kim+1 212.600.1902Susan@argotpartners.com Media:Argot PartnersElizabeth Schleifstein+1 917.763.8106Eliza@argotpartners.com ### 4
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