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Illumina

ilmn · NASDAQ Healthcare
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FY2019 Annual Report · Illumina
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 10-K

☑   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 29, 2019

or

☐   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

  For the transition period from          to 

Commission file number: 001-35406

Illumina, Inc.
(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of incorporation or organization)

33-0804655

(I.R.S. Employer Identification No.)

200 Illumina Way, San Diego, CA 92122
(Address of principal executive offices) (Zip code)
Registrant’s telephone number, including area code: (858) 202-4500

Securities registered pursuant to Section 12(b) of the Act:

Title of each class
Common Stock, $0.01 par value

Trading Symbol(s)
ILMN

Name of each exchange on which registered
The NASDAQ Global Select Market

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Yes þ     No o

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.  Yes o     No þ

Securities registered pursuant to Section 12(g) of the Act: None

Indicate 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 during the 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 the past 90 days.  Yes þ     No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding

12 months (or for such shorter period that the registrant was required to submit such files).  Yes þ     No o

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 the definitions of “large

accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer þ

Accelerated filer  ☐

Non-accelerated filer  ☐

Smaller reporting company  ☐

Emerging growth company  ☐

(Do not check if a smaller reporting company)  

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting

standards provided pursuant to Section 13a of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes ☐    No þ

As of February 7, 2020, there were 147 million shares (excluding 47 million shares held in treasury) of the registrant’s common stock outstanding. The aggregate market value of the
common stock held by non-affiliates of the registrant as of June 30, 2019 (the last business day of the registrant’s most recently completed second fiscal quarter), based on the closing price for
the common stock on The NASDAQ Global Select Market on June 28, 2019 (the last trading day before June 30, 2019), was $48.2 billion. This amount excludes an aggregate of approximately
17 million shares of common stock held by officers and directors and each person known by the registrant to own 10% or more of the outstanding common stock. Exclusion of shares held by
any person should not be construed to indicate that such person possesses the power, directly or indirectly, to direct or cause the direction of the management or policies of the registrant, or that
the registrant is controlled by or under common control with such person.

Portions of the registrant’s definitive proxy statement for the 2020 annual meeting of stockholders are incorporated by reference into Items 10 through 14 of Part III of this Report

DOCUMENTS INCORPORATED BY REFERENCE

 
 
 
 
 
 
 
 
 
 
 
ILLUMINA, INC.

FORM 10-K
FOR THE FISCAL YEAR ENDED DECEMBER 29, 2019

TABLE OF CONTENTS

See “Form 10-K Cross-Reference Index” within Other Key Information for a cross-reference to the parts and items requirements of the Securities
and Exchange Commission Annual Report on Form 10-K.

BUSINESS & MARKET INFORMATION

PAGE

Business Overview

Risk Factors

Legal Proceedings

Selected Financial Data

Market Information

Share Repurchases and Sales

MANAGEMENT’S DISCUSSION & ANALYSIS

Management’s Overview and Outlook

Results of Operations

Liquidity and Capital Resources

Contractual Obligations

Critical Accounting Policies and Estimates

Quantitative and Qualitative Disclosures About Market Risk

Recent Accounting Pronouncements

Off-Balance Sheet Arrangements

CONSOLIDATED FINANCIAL STATEMENTS

Index to Consolidated Financial Statements

Report of Independent Registered Public Accounting Firm

Consolidated Balance Sheets

Consolidated Statements of Income

Consolidated Statements of Comprehensive Income

Consolidated Statements of Stockholders’ Equity

Consolidated Statements of Cash Flows

Notes to Consolidated Financial Statements

OTHER KEY INFORMATION

Controls and Procedures

Directors, Executive Officers and Corporate Governance

Executive Compensation

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Certain Relationships and Related Transactions, and Director Independence

Principal Accountant Fees and Services

Exhibits, Financial Statement Schedules

Form 10-K Cross-Reference Index

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Special Note Regarding Forward-Looking Statements

This annual report on Form 10-K contains, and our officers and representatives may from time to time make, “forward-looking statements” within the
meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by
words such as: “anticipate,” “intend,” “plan,” “goal,” “seek,” “believe,” “project,” “estimate,” “expect,” “strategy,” “future,” “likely,” “may,” “should,” “will,”
or the negative of these terms, and similar references to future periods. Examples of forward-looking statements include, among others, statements
we make regarding:

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our expectations as to our future financial performance, results of operations, or other operational results or metrics;

our expectations regarding the launch of new products or services;

the benefits that we expect will result from our business activities and certain transactions we have completed, such as product
introductions, increased revenue, decreased expenses, and avoided expenses and expenditures;

our expectations of the effect on our financial condition of claims, litigation, contingent liabilities, and governmental investigations,
proceedings, and regulations;

our strategies or expectations for product development, market position, financial results, and reserves; and

other expectations, beliefs, plans, strategies, anticipated developments, and other matters that are not historical facts.

Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based only on our current beliefs,
expectations, and assumptions regarding the future of our business, future plans and strategies, projections, anticipated events and trends, the
economy, and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks, and
changes in circumstances that are difficult to predict and many of which are outside of our control. Our actual results and financial condition may
differ materially from those indicated in the forward-looking statements. Therefore, you should not rely on any of these forward-looking statements.
Important factors that could cause our actual results and financial condition to differ materially from those indicated in the forward-looking statements
include, among others, the following:

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challenges inherent in developing, manufacturing, and launching new products and services, including expanding manufacturing
operations and reliance on third-party suppliers for critical components;

the timing and mix of customer orders among our products and services;

the impact of recently launched or pre-announced products and services on existing products and services;

our ability to develop and commercialize our instruments and consumables, to deploy new products, services, and applications, and to
expand the markets for our technology platforms;

our ability to manufacture robust instrumentation and consumables;

our ability to identify and acquire technologies, and integrate them into our products or businesses successfully;

our expectations and beliefs regarding prospects and growth for the business and its markets;

the assumptions underlying our critical accounting policies and estimates;

our assessments and estimates that determine our effective tax rate;

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our assessments and beliefs regarding the outcome of pending legal proceedings and any liability that we may incur as a result of those
proceedings;

uncertainty, or adverse economic and business conditions, including as a result of slowing or uncertain economic growth in the United
States or worldwide; and

other factors detailed in our filings with the SEC, including the risks, uncertainties, and assumptions described in Item 1A “Risk Factors”
below, or in information disclosed in public conference calls, the date and time of which are released beforehand.

Any forward-looking statement made by us in this annual report on Form 10-K is based only on information currently available to us and speaks only
as of the date on which it is made. We undertake no obligation, and do not intend, to publicly update any forward-looking statement, whether written
or oral, that may be made from time to time, or to review or confirm analysts’ expectations, or to provide interim reports or updates on the progress
of any current financial quarter, in each case whether as a result of new information, future developments, or otherwise.

Available Information

Our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and all amendments to those reports are available
free of charge on our website, www.illumina.com. The information on our website is not incorporated by reference into this report. Such reports are
made available as soon as reasonably practicable after filing with, or furnishing to, the SEC. The SEC also maintains an Internet site at
www.sec.gov that contains reports, proxy and information statements, and other information regarding issuers that electronically file with the SEC.
Copies of our annual report on Form 10-K will be made available, free of charge, upon written request.

_______________________________________

Illumina, 24sure, Ampligase, Assign, BaseSpace, BlueFish, BlueFuse, BlueGnome, Clarity LIMS, CSPro, CytoSeq, DesignStudio, DRAGEN,
Durascript, Genetic Energy, GenomeStudio, Globin-Zero, GoldenGate, HiSeq, iSeq, iHope, Illumina Propel Certified, IllumiNotes, Infinium, iScan,
iSelect, MiniSeq, MiSeq, MiSeqDx, NextBio, Nextera, NextSeq, NovaSeq, Powered by Illumina, Ribo-Zero, SeqMonitor, SureCell, TruGenome,
TruSeq, TruSight, Understand Your Genome, UYG, Verifi, Verinata, Verinata Health, VeriSeq, the pumpkin orange color, and the Genetic Energy
streaming bases design are trademarks or registered trademarks of Illumina, Inc.

_______________________________________

Unless the context requires otherwise, references in this annual report on Form 10-K to “Illumina,” the “Company,” “we,” “us,” and “our” refer to
Illumina, Inc. and its subsidiaries.

_______________________________________

Our fiscal year is the 52 or 53 weeks ending the Sunday closest to December 31, with quarters of 13 or 14 weeks ending the Sunday closest to
March 31, June 30, September 30, and December 31. References to 2019, 2018, and 2017 refer to fiscal years ended December 29, 2019,
December 30, 2018, and December 31, 2017, respectively, all of which were 52 weeks.

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BUSINESS & MARKET INFORMATION

BUSINESS OVERVIEW

We are the global leader in sequencing- and array-based solutions for genetic and genomic analysis. Our products and services serve customers in
a wide range of markets, enabling the adoption of genomic solutions in research and clinical settings. We were incorporated in California in April
1998 and reincorporated in Delaware in July 2000. Our principal executive offices are located at 5200 Illumina Way, San Diego, California 92122.
Our telephone number is (858) 202-4500.

Our customers include leading genomic research centers, academic institutions, government laboratories, and hospitals, as well as pharmaceutical,
biotechnology, commercial molecular diagnostic laboratories, and consumer genomics companies.

Our portfolio of integrated sequencing and microarray systems, consumables, and analysis tools is designed to accelerate and simplify genetic
analysis. This portfolio addresses the range of genomic complexity, price points, and throughput, enabling customers to select the best solution for
their research or clinical application.

Genetics Primer

The instruction set for all living cells is encoded in deoxyribonucleic acid, or DNA. The complete set of DNA for any organism is referred to as its
genome. DNA contains small regions called genes, which comprise a string of nucleotide bases labeled A, C, G, and T, representing adenine,
cytosine, guanine, and thymine, respectively. These nucleotide bases occur in a precise order known as the DNA sequence. When a gene is
“expressed,” a copy of a portion of its DNA sequence called messenger RNA (mRNA) is used as a template to direct the synthesis of a particular
protein. Proteins, in turn, direct all cellular function. The illustration below is a simplified gene expression schematic.

Variations among organisms are due, in large part, to differences in their DNA sequences. Changes can result from insertions, deletions, inversions,
translocations, or duplications of nucleotide bases. These changes may result in certain genes becoming overexpressed (excessive protein
production), underexpressed (reduced protein production), or silenced altogether, sometimes triggering changes in cellular function. The most
common form of variation in humans is called a single nucleotide polymorphism (SNP), which is a base change in a single position in a DNA
sequence. Another type of variation, copy number variations (CNVs), occur when there are fewer or more copies of certain genes, segments of a
gene, or stretches of DNA.

In humans, genetic variation accounts for many of the physical differences we see (e.g., height, hair, eye color, etc.). Genetic variations also can
have medical consequences affecting disease susceptibility, including predisposition to complex genetic diseases such as cancer, diabetes,
cardiovascular disease, and Alzheimer’s disease. They can affect individuals’ response to certain drug treatments, causing them to respond well,
experience adverse side effects, or not respond at all.

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Scientists are studying these variations and their consequences in humans, as well as in a broad range of animals, plants, and microorganisms.
Such research takes place in government, university, pharmaceutical, biotechnology, and agrigenomics laboratories around the world, where
scientists expand our knowledge of the biological functions essential for life. Beginning at the genetic level, our tools are used to elucidate the
relationship between gene sequence and biological processes. Researchers who investigate human and non-human genetic variation to understand
the mechanisms of disease are enabling the development of more effective diagnostics and therapeutics. They also provide greater insight into
genetic variation in plants (e.g., food and biofuel crops) and animals (e.g., livestock and domestic), enabling improvements in crop yields and animal
breeding programs.

By empowering genetic analysis and facilitating a deeper understanding of genetic variation and function, our tools advance disease research, drug
development, and the creation of molecular diagnostic tests. We believe that this will trigger a fundamental shift in the practice of medicine and
health care, and that the increased emphasis on preventive and predictive molecular medicine will usher in the era of precision health care.

Our Principal Markets

We target the markets and customers outlined below.

Life Sciences

Historically, our core business has been in the life sciences research market. This includes laboratories associated with universities, research
centers, and government institutions, along with biotechnology and pharmaceutical companies. Researchers at these institutions use our
products and services for basic and translational research across a spectrum of scientific applications, including targeted, exome, and whole-
genome sequencing; genetic variation; gene expression; epigenetics; and metagenomics. Next-generation sequencing (NGS) technologies are
being adopted due to their ability to cost-effectively sequence large sample sizes quickly and accurately, generating vast amounts of high-quality
data. Both private and public funding drive this research, along with global initiatives to characterize genetic variation.

Our products also serve various applied markets including consumer genomics and agrigenomics. For example, in consumer genomics, our
customers use our technologies to provide personalized genetic data and analysis to individual consumers. In agrigenomics, government and
corporate researchers use our products and services to explore the genetic and biological basis for productivity and nutritional constitution in
crops and livestock. Researchers can identify natural and novel genomic variation and deploy genome-wide marker-based applications to
accelerate breeding and production of healthier and higher-yielding crops and livestock.

Clinical Genomics

We are focused on enabling translational and clinical markets through the introduction of best-in-class sequencing technology. Further, we are
developing sample-to-answer solutions to catalyze adoption in the clinical setting, including in reproductive and genetic health and oncology. In
reproductive health, our primary focus is driving noninvasive prenatal testing (NIPT) adoption globally through our technology, which identifies
fetal chromosomal abnormalities by analyzing cell-free DNA in maternal blood. Our NGS technology is also accelerating rare and undiagnosed
disease research to discover the genetic causes of inherited disorders by assessing many genes simultaneously. Using NGS can reduce costs
compared to traditional methods of disease diagnosis, which are often expensive and inconclusive while requiring extensive testing.

Cancer is a disease of the genome, and the goal of cancer genomics is to identify genomic changes that transform a normal cell into a cancerous
one. Understanding these genomic changes will improve diagnostic accuracy, increase understanding of the prognosis, and enable oncologists
to target therapies to individuals. Customers in the translational and clinical oncology markets use our products to perform research that may
help identify individuals who are genetically predisposed to cancer and to identify molecular changes in a tumor. We believe that circulating tumor
DNA (ctDNA) will become an important clinical tool for managing oncology patients during all stages of tumor progression. Our technology is
being used to research the implications of ctDNA in treatment determination, treatment monitoring, minimal residual disease, and asymptomatic
screening. For example, we have invested in, and partnered with GRAIL, which we formed to develop a blood-based test for early-stage cancer
detection that is enabled by our sequencing technology.

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Our Principal Products, Services, and Technologies

Our unique technology platforms support the scale of experimentation necessary for population-scale studies, genome-wide discovery, target
selection, and validation studies (see Figure 1 below). Customers use our products to analyze the genome at all levels of complexity, from targeted
panels to whole-genome sequencing. A large and dynamic Illumina user community has published tens of thousands of customer-authored scientific
papers using our technologies. Through rapid innovation, we are changing the economics of genetic research, enabling projects that were previously
considered impossible, and supporting clinical advances towards precision medicine.

Most of our product sales consist of instruments and consumables, which include reagents, flow cells, and microarrays, based on our proprietary
technologies. We also perform various services for our customers. In 2019, 2018, and 2017, instrument sales represented 15%, 17%, and 19%,
respectively, of total revenue; consumable sales represented 68%, 65%, and 64%, respectively, of total revenue; and services represented 17%,
18%, and 17%, respectively, of total revenue.

Figure 1: Illumina Platform Overview:

Sequencing

DNA sequencing is the process of determining the order of nucleotide bases (A, C, G, or T) in a DNA sample. Our portfolio of sequencing
platforms represents a family of systems that we believe set the standard for productivity, cost-effectiveness, and accuracy among NGS
technologies. Customers use our platforms to perform whole-genome, de novo, exome and RNA sequencing, and targeted resequencing of
specific gene regions and genes.

Whole-genome sequencing determines the complete DNA sequence of an organism. In de novo sequencing, the goal is to sequence and
assemble the genome of that sample without using information from prior sequencing of that species. In targeted resequencing, a portion of the
sequence of an organism is compared to a standard or reference sequence from previously sequenced samples to identify genetic variation.
Understanding the similarities and differences in DNA sequence between and within species helps us understand the function of the structures
encoded in the DNA.

Our DNA sequencing technology is based on our proprietary reversible terminator-based sequencing chemistry, referred to as sequencing by
synthesis (SBS) biochemistry. SBS tracks the addition of labeled nucleotides as the DNA chain is copied in a massively parallel fashion. Our SBS
sequencing technology provides researchers with a broad range of applications and the ability to sequence even large mammalian genomes in a
few days rather than weeks or years.

Our sequencing platforms can generate between 500 megabases (Mb) and 6.0 terabases (Tb) (equivalent to approximately 48 human genomes)
of genomic data in a single run, depending on the instrument and application.

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There are different price points per gigabase (Gb) for each instrument, and for different applications, which range from small-genome, amplicon,
and targeted gene-panel sequencing to population-scale whole human genome sequencing. Since we launched our first sequencing system in
2007, our systems have reduced the cost of sequencing by a factor of more than 10,000. In addition, the sequencing time per Gb has dropped by
a factor of approximately 12,000.

Our BaseSpace Informatics Suite cloud platform plays a critical role in supporting our sequencing applications. BaseSpace Informatics Suite
integrates directly with our sequencing instruments, allowing customers to manage their biological sample and sequencing runs, process and
analyze the raw genomic data, and derive meaningful results.  It facilitates data sharing, provides data-storage solutions and streamlines analysis
through a growing number of applications developed by us and the bioinformatics community.

In 2019, 2018, and 2017, total sequencing revenue comprised 87%, 83%, and 83%, respectively, of total revenue.

Arrays

Arrays are used for a broad range of DNA and RNA analysis applications, including SNP genotyping, CNV analysis, gene expression analysis,
and methylation analysis, and enable the detection of millions of known genetic markers on a single array. Arrays are the primary technology
used in consumer genomics applications.

Our BeadArray technology combines microscopic beads and a substrate in a proprietary manufacturing process to produce arrays that can
perform many assays simultaneously. This facilitates large-scale analysis of genetic variation and biological function in a unique, high-throughput,
cost-effective, and flexible manner. Using our BeadArray technology, we achieve high-throughput analysis via a high density of test sites per
array and the ability to format arrays in various configurations. To serve the needs of multiple markets and market segments, we can vary the
size, shape, and format of the substrate into which the beads self-assemble and create specific bead types for different applications. Our iScan
System and our NextSeq 550 System can be used to image arrays.

In 2019, 2018, and 2017, total array revenue comprised 13%, 17%, and 17%, respectively, of total revenue.

Consumables

We have developed various library preparation and sequencing kits to simplify workflows and accelerate analysis. Our sequencing applications
include whole-genome sequencing kits, which sequence entire genomes of any size and complexity, and targeted resequencing kits, which can
sequence exomes, specific genes, RNA or other genomic regions of interest. Our sequencing kits maximize the ability of our customers to
characterize the target genome accurately and are sold in various configurations, addressing a wide range of applications.

Customers use our array-based genotyping consumables for a wide range of analyses, including diverse species, disease-related mutations, and
genetic characteristics associated with cancer. Customers can select from a range of human, animal, and agriculturally relevant genome panels
or create their own custom arrays to investigate millions of genetic markers targeting any species.

Services

We provide whole-genome sequencing, genotyping, NIPT, and product support services. Human whole-genome sequencing services are
provided through our CLIA-certified, CAP-accredited laboratory. Using our services, customers can perform whole-genome sequencing projects
and microarray projects (including large-scale genotyping studies and whole-genome association studies). We also provide NIPT services
through our partner laboratories that direct samples to us on a test send-out basis in our CLIA-certified, CAP-accredited laboratory. In addition,
we also offer support services to customers who have purchased our products.

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Intellectual Property

We have an extensive intellectual property portfolio. As of January 16, 2020, we owned or had exclusive licenses to 799 issued U.S. patents and
617 pending U.S. patent applications, including 61 allowed applications that have not yet issued as patents. Our issued and pending patents cover
various aspects of our arrays, assays, oligo synthesis, sequencing technology, instruments, digital microfluidics, software, bioinformatics, and
chemical-detection technologies, and have terms that expire between 2020 and 2040. We continue to file new patent applications to protect the full
range of our technologies. We have filed or have been granted counterparts for many of these patents and applications in foreign countries.

We protect our trade secrets, know-how, copyrights, and trademarks. Our success depends in part on obtaining patent protection for our products
and processes, preserving trade secrets, patents, obtaining copyrights and trademarks, operating without infringing the proprietary rights of third
parties, and acquiring licenses for technology or products. In addition, we invest in technological innovation, and we seek beneficial licensing
opportunities to develop and maintain our competitive position.

We are party to various exclusive and nonexclusive license agreements and other arrangements with third parties that grant us rights to use key
aspects of our sequencing and array technologies, assay methods, chemical detection methods, reagent kits, and scanning equipment. We have
additional nonexclusive license agreements with various third parties for other components of our products. In most cases, the agreements remain
in effect over the term of the underlying patents, may be terminated at our request without further obligation, and require that we pay customary
royalties.

Research and Development

We have historically made substantial investments in research and development. Our research and development efforts prioritize continuous
innovation coupled with product evolution.

Research and development expense in 2019, 2018, and 2017 was $647 million, $623 million, and $546 million, respectively. We expect research
and development expense to increase during 2020 to support business growth and continuing expansion in research and product-development
efforts.

Marketing and Distribution

We market and distribute our products directly to customers in North America, Europe, Latin America, and the Asia-Pacific region. In addition, we
sell through life-science distributors in certain markets within Europe, the Asia-Pacific region, Latin America, the Middle East, and Africa. We expect
to continue increasing our sales and distribution resources during 2020 and beyond as we launch new products and expand our potential customer
base.

Manufacturing

We manufacture sequencing and array platforms and reagent kits. In 2019, we continued to increase our manufacturing capacity to meet customer
demand. To address increasing product complexity and volume, we continue to automate manufacturing processes to accelerate throughput and
improve quality and yield. We are committed to providing medical devices and related services that consistently meet customer and applicable
regulatory requirements. We adhere to access and safety standards required by federal, state, and local health ordinances, such as standards for
the use, handling, and disposal of hazardous substances. Our key manufacturing and distribution facilities operate under a quality management
system certified to ISO 13485.

Raw Materials

Our manufacturing operations require a wide variety of raw materials, electronic and mechanical components, chemical and biochemical materials,
and other supplies. Multiple commercial sources provide many of our components and supplies, but there are some raw materials and components
that we obtain from single-source suppliers. To manage potential risks arising from single-source suppliers, we believe that, if necessary, we could
redesign our products using alternative components or for use with alternative reagents or develop an internal supply capability. In addition, while
we attempt to keep our inventory at minimal levels, we purchase incremental inventory as circumstances warrant to protect our supply chain. If the
capabilities of our suppliers and component

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manufacturers are limited or stopped, due to disasters, quality, regulatory, or other reasons, it could negatively impact our ability to manufacture our
products.

Competition

Although we believe that our products and services provide significant advantages over products and services currently available from other
sources, we expect continued intense competition. Our competitors offer products and services for sequencing, SNP genotyping, gene expression,
and molecular diagnostics markets. In some cases, we compete for the resources our customers allocate for purchasing a wide range of sequencing
and non-sequencing products used to analyze genetic variation and biological function, some of which are complementary or adjacent to our own
but not directly competitive; in other cases, our products face direct competition as customers choose among sequencing and non-sequencing
products that are designed to address the same use case or answer the same biological question. Some of our competitors have, or will have,
substantially greater financial, technical, research, and other resources than we do, along with larger, more established marketing, sales,
distribution, and service organizations. In addition, they may have greater name recognition than we do in the markets we address, and in some
cases a larger installed base of systems. We expect new competitors to emerge and the intensity of competition to increase. To compete effectively,
we must scale our organization and infrastructure appropriately and demonstrate that our products have superior throughput, cost, and accuracy.

Segment and Geographic Information

We have one reportable segment, Core Illumina, which relates to Illumina’s core operations. Prior to the Helix deconsolidation on April 25, 2019, our
reportable segments included both Core Illumina and Helix. Prior to the deconsolidation of GRAIL on February 28, 2017, our Consolidated VIEs
reportable segment included the combined operations of Helix and GRAIL.

We currently sell our products to a number of customers outside the United States, including customers in other areas of North America, Latin
America, Europe, China, and the Asia-Pacific region. Shipments to customers outside the United States totaled $1,684 million, or 48%, of total
revenue, in 2019, compared to $1,554 million, or 47%, and $1,241 million, or 45%, in 2018 and 2017, respectively. We consider the U.S. dollar to be
the functional currency of our international operations due to the primary activities of our foreign subsidiaries. We expect that sales to international
customers will continue to be an important and growing source of revenue. See note “1. Organization and Significant Accounting Policies” and note
“2. Revenue” within the Consolidated Financial Statements section of this report for further information concerning our foreign and domestic
operations.

Backlog

Our backlog was approximately $980 million and $909 million as of December 29, 2019 and December 30, 2018, respectively. Generally, our
backlog consists of orders believed to be firm as of the balance sheet date. However, we may allow customers to make product substitutions as we
launch new products. The timing of shipments depends on several factors, including agreed upon shipping schedules, which may span multiple
quarters, and whether the product is catalog or custom. We expect approximately 66% of our backlog as of December 29, 2019, to be shipped in
2020, approximately 14% in 2021, and the remainder thereafter. Although we generally recognize revenue when control of our products and
services is transferred to our customers, some customer contracts might require us to defer revenue recognition beyond the transfer of control.

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Properties

The following table summarizes the facilities we leased as of December 29, 2019, including the location and size of each principal facility, and their
designated use. We believe our facilities are adequate for our current and near-term needs, and we will be able to locate additional facilities, as
needed.

Location

Approximate
Square Feet

Operation

San Diego, CA *

1,193,000   Office, Lab, Manufacturing, and Distribution

San Francisco Bay Area, CA

464,000   Office, Lab, and Manufacturing

Singapore *

395,000   Office, Lab, Manufacturing, and Distribution

Cambridge, United Kingdom

187,000   Office, Lab, and Manufacturing

Madison, WI

China

133,000   Office, Lab, and Manufacturing

55,000   Office and Lab

Eindhoven, the Netherlands

42,000   Office and Distribution

Other
________________
*Excludes approximately 278,000 square feet for which the leases do not commence until 2020 and beyond.

62,000   Office

Employees

Lease
Expiration Dates

2020 – 2031

2025 – 2033

2020 – 2025

2020 – 2039

2033

2021 – 2025

2020

2020 – 2025

As of December 29, 2019, we had more than 7,700 employees. We consider our employee relations to be positive. Our success will depend in large
part upon our ability to attract and retain employees. We face competition in this regard from other companies, research and academic institutions,
government entities, and other organizations. In addition, we contract with a number of temporary and contract employees.

Environmental Matters

We are committed to the protection of our employees and the environment. Our operations require the use of hazardous materials that subject us to
various federal, state, and local environmental and safety laws and regulations. We believe that we are in material compliance with current
applicable laws and regulations. However, we could be held liable for damages and fines should contamination of the environment or individual
exposures to hazardous substances occur. In addition, we cannot predict how changes in these laws and regulations, or the development of new
laws and regulations, will affect our business operations or the cost of compliance.

Government Regulation

As we expand product lines to address the diagnosis of disease, regulation by governmental authorities in the United States and other countries will
become an increasingly significant factor in development, testing, production, and marketing. Products that we develop in the molecular diagnostic
markets, depending on their intended use, may be regulated as medical devices or in vitro diagnostic products (IVDs) by the FDA and comparable
agencies in other countries. In the United States, certain of our products may require FDA clearance following a pre-market notification process, also
known as a 510(k) clearance, or premarket approval (PMA) from the FDA. The usually shorter 510(k) clearance process, which we used for the
FDA-cleared assays that are run on our FDA-regulated MiSeqDx instrument, generally takes from three to six months after submission, but it can
take significantly longer. The longer PMA process, which we used for our FDA-cleared RAS panel that is also run on our MiSeqDx instrument, is
typically much more costly and uncertain. It can take from 9 to 18 months after a complete filing, but it can take significantly longer and requires
conducting clinical studies that are generally more extensive than those required for 510(k) clearance. All of the products that are currently regulated
by the FDA as medical devices and IVDs are also subject to the FDA Quality System Regulation (QSR). Obtaining the requisite regulatory
approvals, including the FDA quality system inspections that are required for PMA approval, can be expensive and may involve considerable delay.

In the U.S., the products we develop for oncology and non-invasive prenatal testing will be regulated by the PMA process. We cannot be certain
which of our other planned molecular diagnostic products will be subject to the shorter 510(k) clearance process, or which of will need to go through
the PMA process.

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The regulatory approval process for such products may be significantly delayed, may be significantly more expensive than anticipated, and may
conclude without such products being approved by the FDA. Without timely regulatory approval, we will not be able to launch or successfully
commercialize such products.

Changes to the current regulatory framework, including the imposition of additional or new regulations, could arise at any time during the
development or marketing of our products. This may negatively affect our ability to obtain or maintain FDA or comparable regulatory clearance or
approval of our products. In addition, regulatory agencies may introduce new requirements that may change the regulatory requirements for us or
our customers, or both.

If our products labeled as “For Research Use Only,” or RUO, are used, or could be used, for the diagnosis of disease, the regulatory requirements
related to marketing, selling, and supporting such products could be uncertain. This is true even if such use by our customers occurs without our
consent. If the FDA or other regulatory authorities assert that any of our RUO products are subject to regulatory clearance or approval, our business,
financial condition, or results of operations could be adversely affected.

Our products sold as medical devices or IVDs in Europe will be regulated under the In Vitro Diagnostics Directive (98/79/EC). A new regulation, the
in vitro Diagnostic Medical Devices Regulation (EU) 2017/746, the IVDR, has been released and will become fully enforceable in 2022. These
regulations include requirements for both presentation and review of performance data and quality-system requirements.

Certain of our products are currently available through laboratories that are certified under the Clinical Laboratory Improvements Amendments
(CLIA) of 1988. These products are commonly called “laboratory developed tests,” or LDTs. For a number of years, the FDA has exercised its
regulatory enforcement discretion not to regulate LDTs as medical devices if created and used within a single laboratory. However, the FDA is
continually reexamining this regulatory approach and changes to the agency’s handling of LDTs could impact our business in ways that cannot be
predicted at this time. We cannot predict the nature or extent of the FDA's final guidance or regulation of LDTs, in general, or with respect to our or
our customers’ LDTs, in particular.

Certification of CLIA laboratories includes standards in the areas of personnel qualifications, administration, and participation in proficiency testing,
patient test management, and quality control procedures. CLIA also mandates that, for high complexity labs such as ours, to operate as a lab, we
must have an accreditation by an organization recognized by CLIA such as the College of Pathologists (CAP), which we have obtained and must
maintain. If we were to lose our CLIA certification or CAP accreditation, our business, financial condition, or results of operations could be adversely
affected. In addition, state laboratory licensing and inspection requirements may also apply to our products, which, in some cases, are more
stringent than CLIA requirements.

RISK FACTORS

Our business is subject to various risks, including those described below. In addition to the other information included in this report, the following
issues could adversely affect our operating results or our stock price.

Our continued growth is dependent on continuously developing and commercializing new products.

Our target markets are characterized by rapid technological change, evolving industry standards, changes in customer needs, existing and
emerging competition, strong price competition, and frequent new product introductions. Accordingly, our continued growth depends on developing
and commercializing new products and services, including improving our existing products and services, in order to address evolving market
requirements on a timely basis. If we fail to innovate or adequately invest in new technologies, our products and services will become dated, and we
could lose our competitive position in the markets that we serve as customers purchase new products offered by our competitors. We believe that
successfully introducing new products and technologies on a timely basis provides a significant competitive advantage because customers invest
time in selecting and learning to use a new product and may be reluctant to switch once that selection is made.

To the extent that we fail to introduce new and innovative products, or such products are not accepted in the market or suffer significant delays in
development, we may lose market share to our competitors, which will be difficult or impossible to regain. An inability, for technological or other
reasons, to successfully develop and introduce new products on a timely basis could reduce our growth rate or otherwise have an adverse effect on
our business.

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In the past, we have experienced, and are likely to experience in the future, delays in the development and introduction of new products. There can
be no assurance that we will keep pace with the rapid rate of change in our markets or that our new products will adequately meet the requirements
of the marketplace, achieve market acceptance, or compete successfully with third-party technologies. Some of the factors affecting our ability to
develop and successfully commercialize new products and services include:

•

•

•

•

•

•

•

•

the functionality and performance of new and existing products and services;

the timing of introduction of new products or services relative to competing products and services;

availability, quality, and price relative to competing products and services;

scientists’ and customers’ opinions of the utility of new products or services;

citation of new products or services in published research;

regulatory trends and approvals;

our ability to acquire or otherwise gain access to third party technologies, products, or businesses; and

general trends in life sciences research and applied markets.

We may also have to write off excess or obsolete inventory if sales of our products are not consistent with our expectations or the market
requirements for our products change due to technical innovations in the marketplace.

Our success depends upon the continued emergence and growth of markets for analysis of genetic variation and biological function, and
continued substantial increases in the use of sequencing as the cost of sequencing declines.

Our products are designed for use in the life sciences, diagnostic, agricultural, pharmaceutical, and consumer genomics industries. The usefulness
of our technologies depends in part upon the availability of genetic data and its usefulness in clinical, research, and consumer applications. We are
focusing on markets for analysis of genetic variation or biological function, namely sequencing, genotyping, and gene expression profiling. These
markets are relatively new and emerging, and they may not develop as quickly as we anticipate, or reach what we expect to be their full potential.
Other methods of analysis of genetic variation and biological function may emerge and displace the methods we are developing. Also, researchers
may not be able to successfully analyze raw genetic data or be able to convert raw genetic data into valuable information. In addition, factors
affecting research and development spending generally could harm our business, such as changes in the regulatory environment affecting life
sciences and pharmaceutical companies, and changes in government programs that provide funding to companies and research institutions. If
useful genetic data is not available or if our target markets do not develop in a timely manner, demand for our products may grow at a slower rate
than we expect.

The introduction of next-generation sequencing technologies, including ours, has reduced the cost of sequencing by a factor of more than 10,000
and reduced the sequencing time per Gb by a factor of approximately 12,000 over the last 20 years. Consequently, demand for sequencing-related
products and services has increased substantially as new applications are enabled and more sequencing is done in connection with existing
applications. If, as we expect, the cost of sequencing continues to fall over time, we cannot be sure that the demand for related products and
services will increase at least proportionately as new applications are enabled or more sequencing is done in connection with existing applications.
In the future, if demand for our products and services due to lower sequencing costs is less than we expect, our business, financial condition, and
results of operations will be adversely affected.

If we do not successfully manage the development, manufacturing, and launch of new products or services, including product
transitions, our financial results could be adversely affected.

We face risks associated with launching new products and pre-announcing products and services when the products or services have not been fully
developed or tested. In addition, we may experience difficulty in managing or forecasting customer reactions, purchasing decisions, transition
requirements, or programs with respect to newly-launched products (or products in development), which could adversely affect sales of our existing
products.

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If our products and services are not able to deliver the performance or results expected by our target markets or are not delivered on a timely basis,
our reputation and credibility may suffer. If we encounter development challenges or discover errors in our products late in our development cycle,
we may delay the product launch date. The expenses or losses associated with unsuccessful product development or launch activities, or a lack of
market acceptance of our new products, could adversely affect our business, financial condition, or results of operations.

As we announce future products or integrate new products into our portfolio, such as new instruments or instrument platforms, we face numerous
risks relating to product transitions and the evolution of our product portfolio. We may be unable to accurately forecast new product demand and the
impact of new products on the demand for current or established products. We may experience challenges relating to managing excess and
obsolete inventories, managing new or higher product cost structures, and managing different sales and support requirements. Announcements of
currently planned or other new products may cause customers to defer or stop purchasing our current or established products until new products
become available. In addition, customers may defer or stop purchasing our current or established products as they assess the features and
technological characteristics of new products, as compared to our current or established products, before making a financial commitment. Our
failure to effectively manage the evolution of our product portfolio, including product transitions or introductions, could adversely affect our business,
financial condition, or results of operations.

We face intense competition, which could render our products obsolete, result in significant price reductions, or substantially limit the
volume of products that we sell.

We compete with third parties that design, manufacture, and market products and services for analysis of genetic variation and biological function
and other applications using a wide range of technologies. In some cases, we compete for the resources our customers allocate for purchasing a
wide range of sequencing and non-sequencing products used to analyze genetic variation and biological function, some of which are complementary
or adjacent to our own but not directly competitive; in other cases, our products face direct competition as customers choose among sequencing and
non-sequencing products that are designed to address the same use case or answer the same biological question. For example, complementary
third-party sequencing technologies address use cases to which our products are not well suited. If we are unable to develop or acquire new
technologies that address these complementary sequencing applications, our rate of growth and our ability to grow the overall market for
sequencing could be adversely affected.

We anticipate that we will continue to face increased competition as existing companies develop new or improved products and as new companies
enter the market with new technologies. One or more of our competitors may render one or more of our technologies obsolete or uneconomical.
Some of our competitors have greater financial and personnel resources, broader product lines, more focused product lines, a more established
customer base, more experience and broader reach in clinical markets, and more experience in research and development than we do.
Furthermore, life sciences, clinical genomics, and pharmaceutical companies, which are our potential customers and strategic partners, could also
develop competing products. We believe that customers in our markets display a significant amount of loyalty to their initial supplier of a particular
product; therefore, it may be difficult to generate sales to potential customers who have purchased products from competitors. To the extent we are
unable to be the first to develop or supply new products, our competitive position may suffer.

The market for clinical and diagnostic products, in particular, is currently limited and highly competitive, with several large companies having
significant market share, intellectual property portfolios, and regulatory expertise. For example, the market for noninvasive prenatal testing is rapidly
developing, and if our competitors are able to develop and commercialize products superior to or less expensive than ours or are able to obtain
regulatory clearances before we do, our business could be adversely impacted. Established clinical and diagnostic companies also have an installed
base of instruments in several markets, including clinical and reference laboratories, which could deter acceptance of our products. In addition,
some of these companies have formed alliances with genomics companies that provide them access to genetic information that may be
incorporated into their diagnostic tests, potentially creating a competitive advantage for them.

We depend on third-party manufacturers and suppliers for some of our products, or sub-assemblies, components, and materials used in
our products, and if shipments from these manufacturers or suppliers are delayed or interrupted, or if the quality of the products,
components, or materials supplied do not meet our requirements, we may not be able to launch, manufacture, or ship our products in a
timely manner, or at all.

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The complex nature of our products requires customized, precision-manufactured sub-assemblies, components, and materials that currently are
available from a limited number of sources, and, in the case of some sub-assemblies, components, and materials, from only a single source. If
deliveries from these vendors are delayed or interrupted for any reason, or if we are otherwise unable to secure a sufficient supply, we may not be
able to obtain these sub-assemblies, components, or materials on a timely basis or in sufficient quantities or at satisfactory qualities, or at all, in
order to meet demand for our products. We may need to enter into contractual relationships with manufacturers for commercial-scale production of
some of our products, in whole or in part, or develop these capabilities internally, and there can be no assurance that we will be able to do this on a
timely basis, in sufficient quantities, or on commercially reasonable terms. In addition, the lead time needed to establish a relationship with a new
supplier can be lengthy, and we may experience delays in meeting demand in the event we must switch to a new supplier. The time and effort
required to qualify a new supplier could result in additional costs, diversion of resources, or reduced manufacturing yields, any of which would
negatively impact our operating results. Accordingly, we may not be able to establish or maintain reliable, high-volume manufacturing at
commercially reasonable costs or at all. In addition, the manufacture or shipment of our products may be delayed or interrupted if the quality of the
products, sub-assemblies, components, or materials supplied by our vendors does not meet our requirements. Current or future social and
environmental regulations or critical issues, such as those relating to the sourcing of conflict minerals from the Democratic Republic of the Congo or
the need to eliminate environmentally sensitive materials from our products, could restrict the supply of components and materials used in
production or increase our costs. Any delay or interruption to our manufacturing process or in shipping our products could result in lost revenue,
which would adversely affect our business, financial condition, or results of operations.

If defects are discovered in our products, we may incur additional unforeseen costs, our products may be subject to recalls, customers
may not purchase our products, our reputation may suffer, and ultimately our sales and operating earnings could be negatively impacted.

Our products incorporate complex, precision-manufactured mechanical parts, electrical components, optical components, and fluidics, as well as
computer software and complex surface chemistry and reagents, any of which may contain or result in errors or failures, especially when first
introduced. In the course of conducting our business, we must adequately address quality issues associated with our products and services,
including defects in our engineering, design, and manufacturing processes, as well as defects in third-party components included in our products. In
addition, new products or enhancements may contain undetected errors or performance problems that, despite testing, are discovered only after
commercial shipment. Defects or errors in our products may discourage customers from purchasing our products. The costs incurred in correcting
any defects or errors may be substantial and could adversely affect our operating margins. Identifying the root cause of quality issues, particularly
those affecting reagents and third-party components, may be difficult, which increases the time needed to address quality issues as they arise, and
increases the risk that similar problems could recur. Because our products are designed to be used to perform complex genomic analysis, we
expect that our customers will have an increased sensitivity to such defects. If we do not meet applicable regulatory or quality standards, our
products may be subject to recall, and, under certain circumstances, we may be required to notify applicable regulatory authorities about a recall. If
our products are subject to recall or shipment holds, our reputation, business, financial condition, or results of operations could be adversely
affected.

If we fail to maintain and successfully manage our strategic collaborations, our future results may be adversely impacted.

Strategic collaborations require significant management attention and operational resources. If we are unable to successfully manage or meet
milestones related to our strategic collaborations, or if our partners do not perform as we expect, our future results may be adversely impacted.
Furthermore, dependence on collaborative arrangements may also subject us to other risks, including:

•

•

we may be required to relinquish important rights, including intellectual property, marketing and distribution rights;

we may disagree with our partners as to rights to intellectual property, the direction of research programs, or commercialization
activities;

• Our revenues may be lower than if we were to develop and commercialize such products ourselves;

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•

•

•

•

a collaboration partner could develop and market a product that is competitive with either products developed under the collaboration or
other of our products, either independently or in collaboration with others, including our competitors;

our partners could become unable or less willing to expend their resources in support of our collaboration;

collaborations could expose us to additional regulatory risks; and

we may be unsuccessful at managing multiple simultaneous collaborations.

Moreover, disagreements with a partner or former partner could develop, and any conflict with a partner or former partner could reduce our ability to
enter into future collaboration agreements and negatively impact our relationships with one or more existing partners.

As we develop, market, or sell diagnostic tests, we may encounter delays in receipt, or limits in the amount, of reimbursement approvals
and public health funding, which will impact our ability to grow revenues in the healthcare market.

Physicians and patients may not order diagnostic tests that we develop, market, sell, or enable such as our prenatal tests, unless third-party payors,
such as managed care organizations as well as government payors such as Medicare and Medicaid and governmental payors outside of the United
States, pay a substantial portion of the test price. Third-party payors are often reluctant to reimburse healthcare providers for the use of medical
tests that involve new technologies or provide novel diagnostic information. In addition, third-party payors are increasingly limiting reimbursement
coverage for medical diagnostic products and, in many instances, are exerting pressure on diagnostic product suppliers to reduce their prices.
Reimbursement by a payor may depend on a number of factors, including a payor's determination that tests using our technologies are:

•

not experimental or investigational;

• medically necessary;

•

•

•

•

appropriate for the specific patient;

cost-effective;

supported by peer-reviewed publications; and

included in clinical practice guidelines.

Since each third-party payor often makes reimbursement decisions on an individual patient basis, obtaining such approvals is a time-consuming and
costly process that requires us to provide scientific and clinical data supporting the clinical benefits of each of our products. As a result, there can be
no assurance that reimbursement approvals will be obtained. This process can delay the broad market introduction of new products, and could have
a negative effect on our results of operations. As a result, third-party reimbursement may not be consistent or financially adequate to cover the cost
of diagnostic products that we develop, market, or sell. This could limit our ability to sell our products or cause us to reduce prices, which would
adversely affect our results of operations.

Even if our tests are reimbursed, third-party payors may withdraw their coverage policies, cancel their contracts with our customers at any time,
review and adjust the rate of reimbursement, require co-payments from patients, or stop paying for our tests, which would reduce our revenues. In
addition, insurers, including managed care organizations as well as government payors such as Medicare and Medicaid, have increased their efforts
to control the cost, utilization, and delivery of healthcare services. These measures have resulted in reduced payment rates and decreased
utilization for the clinical laboratory industry. Reductions in the reimbursement rate of payors may occur in the future. Reductions in the prices at
which our tests are reimbursed could have a negative impact on our results of operations.

Litigation, other proceedings, or third-party claims of intellectual property infringement could require us to spend significant time and
money and could prevent us from selling our products or services.

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Our success depends in part on our non-infringement of the patents or proprietary rights of third parties. Third parties have asserted and may in the
future assert that we are employing their proprietary technology without authorization. As we enter new markets or introduce new products, we
expect that competitors will likely claim that our products infringe their intellectual property rights as part of a business strategy to impede our
successful competition. In addition, third parties may have obtained and may in the future obtain patents allowing them to claim that the use of our
technologies infringes these patents. We could incur substantial costs and divert the attention of our management and technical personnel in
defending ourselves against any of these claims. Any adverse ruling or perception of an adverse ruling in defending ourselves against these claims
could have an adverse impact on our stock price, which may be disproportionate to the actual impact of the ruling itself. Furthermore, parties making
claims against us may be able to obtain injunctive or other relief, which effectively could block our ability to develop further, commercialize, or sell
products or services, and could result in the award of substantial damages against us. In the event of a successful infringement claim against us, we
may be required to pay damages and obtain one or more licenses from third parties or be prohibited from selling certain products or services. In
addition, we may be unable to obtain these licenses at a reasonable cost, if at all. We could therefore incur substantial costs related to royalty
payments for licenses obtained from third parties, which could negatively affect our gross margins and earnings per share. In addition, we could
encounter delays in product introductions while we attempt to develop alternative methods or products. Defense of any lawsuit or failure to obtain
any of these licenses on favorable terms could prevent us from commercializing products, and the prohibition of sale of any of our products or
services could adversely affect our ability to grow or maintain profitability.

Reduction or delay in research and development budgets and government funding may adversely affect our revenue.

The timing and amount of revenues from customers that rely on government and academic research funding may vary significantly due to factors
that can be difficult to forecast, and there is significant uncertainty concerning government and academic research funding worldwide. Funding for
life science research can be volatile during periods of economic uncertainty. Government funding of research and development is subject to the
political process, which is inherently fluid and unpredictable. Other programs, such as defense, entitlement programs, or general efforts to reduce
budget deficits could be viewed by governments as a higher priority. These budgetary pressures may result in reduced allocations to government
agencies that fund research and development activities, such as the U.S. National Institute of Health, or NIH. Past proposals to reduce budget
deficits have included reduced NIH and other research and development allocations. Any shift away from the funding of life sciences research and
development or delays surrounding the approval of government budget proposals may cause our customers to delay or forego purchases of our
products, which could adversely affect our business, financial condition, or results of operations.

Our acquisitions expose us to risks that could adversely affect our business, and we may not achieve the anticipated benefits of
acquisitions of businesses or technologies.

As part of our strategy to develop and identify new products, services, and technologies, we have made, and may continue to make, acquisitions of
technologies, products, or businesses. Acquisitions involve numerous risks and operational, financial, and managerial challenges, including the
following, any of which could adversely affect our business, financial condition, or results of operations:

•

•

•

•

•

•

•

difficulties in integrating new operations, technologies, products, and personnel;

lack of synergies or the inability to realize expected synergies and cost-savings;

lengthy, expensive, and time and resource-intensive regulatory review processes, the outcomes of which can be unpredictable;

difficulties in managing geographically dispersed operations;

underperformance of any acquired technology, product, or business relative to our expectations and the price we paid;

negative near-term impacts on financial results after an acquisition, including acquisition-related earnings charges;

the potential loss of key employees, customers, and strategic partners of acquired companies;

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•

•

•

•

•

•

claims by terminated employees and shareholders of acquired companies or other third parties related to the transaction;

the issuance of dilutive securities, assumption or incurrence of additional debt obligations or expenses, or use of substantial portions of
our cash;

diversion of management’s attention and company resources from existing operations of the business;

inconsistencies in standards, controls, procedures, and policies;

the impairment of intangible assets as a result of technological advancements, or worse-than-expected performance of acquired
companies; and

assumption of, or exposure to, known or unknown contingent liabilities or liabilities that are difficult to identify or accurately quantify.

In addition, the successful integration of acquired businesses requires significant efforts and expense across all operational areas, including sales
and marketing, research and development, manufacturing, finance, legal, and information technologies. There can be no assurance that any of the
acquisitions we make will be successful or will be, or will remain, profitable. Our failure to successfully address the above risks may prevent us from
achieving the anticipated benefits from any acquisition in a reasonable time frame, or at all.

If we are unable to increase our manufacturing or service capacity and develop and maintain operation of our manufacturing or service
capability, we may not be able to launch or support our products or services in a timely manner, or at all.

We continue to increase our manufacturing and service capacity to meet the anticipated demand for our products. Although we have significantly
increased our manufacturing and service capacity and we believe we have plans in place sufficient to ensure we have adequate capacity to meet
our current business plans, there are uncertainties inherent in expanding our manufacturing and service capabilities, and we may not be able to
sufficiently increase our capacity in a timely manner. For example, manufacturing and product quality issues may arise as we increase production
rates at our manufacturing facilities and launch new products. Also, we may not manufacture the right product mix to meet customer demand,
especially as we introduce new products. As a result, we may experience difficulties in meeting customer, collaborator, and internal demand, in
which case we could lose customers or be required to delay new product introductions, and demand for our products could decline. Additionally, in
the past, we have experienced variations in manufacturing conditions and quality control issues that have temporarily reduced or suspended
production of certain products. Due to the intricate nature of manufacturing complex instruments, consumables, and products that contain DNA and
enzymes, we may encounter similar or previously unknown manufacturing difficulties in the future that could significantly reduce production yields,
impact our ability to launch or sell these products (or to produce them economically), or prevent us from achieving expected performance levels, any
of which could adversely affect our business, financial condition, or results of operations.

An interruption in our ability to manufacture our products or an inability to obtain key components or raw materials due to a catastrophic
disaster or infrastructure could adversely affect our business.

We currently manufacture in a limited number of locations. Our manufacturing facilities are located in San Diego and the San Francisco Bay Area in
California; Madison, Wisconsin; Cambridge, United Kingdom; and Singapore. These areas are subject to natural disasters such as earthquakes,
wildfires, or floods. If a natural disaster were to damage one of our facilities significantly or if other events, such as the outbreak of a serious
infectious disease, were to cause our operations to fail or be significantly curtailed, we may be unable to manufacture our products, provide our
services, or develop new products. In addition, if the capabilities of our suppliers and component manufacturers are limited or stopped, due to
disasters, quality, regulatory, or other reasons, it could negatively impact our ability to manufacture our products.

Many of our manufacturing processes are automated and are controlled by our custom-designed laboratory information management system
(LIMS). Additionally, the decoding process in our array manufacturing requires significant network and storage infrastructure. If either our LIMS
system or our networks or storage infrastructure were to fail for an extended period of time, our ability to manufacture our products on a timely basis
could be adversely impacted and we could be prevented from achieving our expected shipments in any given period.

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If we lose our key personnel or are unable to attract and retain additional personnel, we may be unable to achieve our goals.

Our future success depends upon the continuing services of members of our senior management team and scientific and engineering personnel.
The loss of their services could adversely impact our ability to achieve our business objectives. In addition, the continued growth of our business
depends on our ability to hire additional qualified personnel with expertise in molecular biology, chemistry, biological information processing,
software, engineering, sales, marketing, and technical support. We compete for qualified management and scientific personnel with other life
science and technology companies, universities, and research institutions. Competition for these individuals, particularly in the San Diego and
San Francisco areas, is intense, and the turnover rate can be high. Moreover, changes in immigration policies, laws and regulations in the United
States or other jurisdictions may make it more difficult for us to hire and retain members of management and scientific and engineering personnel.
Failure to attract and retain management and scientific and engineering personnel could prevent us from pursuing collaborations or developing our
products or technologies. Additionally, integration of acquired companies and businesses can be disruptive, causing key employees of the acquired
business to leave. Further, we use share-based compensation, including restricted stock units and performance stock units, to attract key personnel,
incentivize them to remain with us, and align their interests with ours by building long-term stockholder value. If our stock price decreases, the value
of these equity awards decreases and, therefore, reduces a key employee’s incentive to stay.

Any inability to effectively protect our proprietary technologies could harm our competitive position.

The proprietary positions of companies developing tools for the life sciences, genomics, forensics, agricultural, and pharmaceutical industries,
including our proprietary position, generally are uncertain and involve complex legal and factual questions. Our success depends to a large extent
on our ability to develop proprietary products and technologies and to obtain patents and maintain adequate protection of our intellectual property in
the United States and other countries. The laws of some foreign countries do not protect proprietary rights to the same extent as the laws of the
United States, and many companies have encountered significant challenges in establishing and enforcing their proprietary rights outside of the
United States. These challenges can be caused by the absence of rules and methods for the establishment and enforcement of intellectual property
rights outside of the United States.

We will be able to protect our proprietary rights from unauthorized use by third parties only to the extent that our proprietary technologies are
covered by valid and enforceable patents or are effectively maintained as trade secrets. Any finding that our patents or applications are
unenforceable could harm our ability to prevent others from practicing the related technology, and a finding that others have inventorship or
ownership rights to our patents and applications could require us to obtain certain rights to practice related technologies, which may not be available
on favorable terms, if at all. Furthermore, as issued patents expire, we may lose some competitive advantage as others develop competing
products, and, as a result, we may lose revenue.

In addition, our existing patents and any future patents we obtain may not be sufficiently broad to prevent others from practicing our technologies or
from developing competing products and may therefore fail to provide us with any competitive advantage. We may need to initiate lawsuits to protect
or enforce our patents, or litigate against third-party claims, which would be expensive, and, if we lose, may cause us to lose some of our intellectual
property rights and reduce our ability to compete in the marketplace. Furthermore, these lawsuits may divert the attention of our management and
technical personnel. There is also the risk that others may independently develop similar or alternative technologies or design around our patented
technologies. In that regard, certain patent applications in the United States may be maintained in secrecy until the patents issue, and publication of
discoveries in the scientific or patent literature tend to lag behind actual discoveries by several months.

We also rely upon trade secrets and proprietary know-how protection for our confidential and proprietary information, and we have taken security
measures to protect this information. These measures, however, may not provide adequate protection for our trade secrets, know-how, or other
confidential information.

Our strategic investments may result in losses.

We periodically make strategic investments in various public and private companies with businesses or technologies that may complement our
business. In addition, we periodically form companies that remain consolidated within our financial statements but receive substantial funding from
third-party investors who are granted certain control and governance rights.

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The market values of these strategic investments may fluctuate due to market conditions and other conditions over which we have no control.
Declines in the market price and valuations of the securities that we hold in other companies would require us to record losses related to our
investment. This could result in future charges to our earnings. It is uncertain whether or not we will realize any long-term benefits associated with
these strategic investments.

Security breaches, including with respect to cyber-security, and other disruptions could compromise our information, products, and
services, disrupt our operations, and expose us to liability, which could cause our business and reputation to suffer.

In the ordinary course of our business, we collect and store sensitive data, including intellectual property, our proprietary business information (and
that of our customers), and personally identifiable information of our customers and employees, in our data centers and on our networks. The secure
maintenance of this information is important to our operations and business strategy. Despite our security measures, our information technology and
infrastructure may be vulnerable to cyber-attacks by hackers or breached due to employee error, malfeasance, or other disruptions.

As a leader in the field of genetic analysis, we may face cyber-attacks that attempt to penetrate our network security, including our data centers;
sabotage or otherwise disable our research, products, and services, including instruments at our customers’ sites; misappropriate our or our
customers' and partners' proprietary information, which may include personally identifiable information; or cause interruptions of our internal
operations, systems and services. Any such breach could compromise our networks and the information stored there could be accessed, publicly
disclosed, lost, or stolen. Any such access, disruption, disclosure, or other loss of information could result in an adverse impact on our business,
legal claims or proceedings, liability under laws that protect the privacy of personal information, and damage to our reputation.

Our products, if used for the diagnosis of disease, could be subject to government regulation, and the regulatory approval and
maintenance process for such products may be expensive, time-consuming, and uncertain both in timing and in outcome.

Our products are not subject to FDA clearance or approval if they are not intended to be used for the diagnosis, treatment or prevention of disease.
However, as we expand our product line to encompass products that are intended to be used for the diagnosis of disease, such as our FDA-
regulated MiSeqDx, certain of our products will become subject to regulation by the FDA, or comparable international agencies, including
requirements for regulatory clearance or approval of such products before they can be marketed. Such regulatory approval processes or clearances
may be expensive, time-consuming, and uncertain, and our failure to obtain or comply with such approvals and clearances could have an adverse
effect on our business, financial condition, or operating results. In addition, changes to the current regulatory framework, including the imposition of
additional or new regulations, could arise at any time during the development or marketing of our products, which may negatively affect our ability to
obtain or maintain FDA or comparable regulatory approval of our products, if required.

Diagnostic products are regulated as medical devices by the FDA and comparable international agencies and may require either clearance from the
FDA following the 510(k) pre-market notification process or pre-market approval from the FDA, in each case prior to marketing. Obtaining the
requisite regulatory approvals can be expensive and may involve considerable delay. If we fail to obtain, or experience significant delays in
obtaining, regulatory approvals for diagnostic products that we develop, we may not be able to launch or successfully commercialize such products
in a timely manner, or at all.

In addition, if our products labeled as “For Research Use Only. Not for use in diagnostic procedures,” or RUO, are used, or could be used, for the
diagnosis of disease, the regulatory requirements related to marketing, selling, and supporting such products could change or be uncertain, even if
such use by our customers is without our consent. If the FDA or other regulatory authorities assert that any of our RUO products are subject to
regulatory clearance or approval, our business, financial condition, or results of operations could be adversely affected.

If the FDA requires in the future that any of our LDT products be subject to regulatory clearance or approval, our business, financial
condition, or results of operations could be adversely affected.

Certain of our diagnostic products are currently available through laboratories that are certified under the Clinical Laboratory Improvements
Amendments (CLIA) of 1988. These products are commonly called “laboratory

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developed tests,” or LDTs. For a number of years, the FDA has exercised its regulatory enforcement discretion not to regulate LDTs as medical
devices if created and used within a single laboratory. However, the FDA has been reconsidering its enforcement discretion policy and has
commented that regulation of LDTs may be warranted because of the growth in the volume and complexity of testing services utilizing LDTs. We
cannot predict the nature or extent of the FDA's final guidance or regulation of LDTs, in general, or with respect to our LDTs, in particular. If the FDA
requires in the future that LDT products are subject to regulatory clearance or approval, our business, financial condition, or results of operations
could be adversely affected.

If product or service liability lawsuits are successfully brought against us, we may face reduced demand for our products and incur
significant liabilities.

Our products and services are used for sensitive applications, and we face an inherent risk of exposure to product or service liability claims if our
products or services are alleged to have caused harm, resulted in false negatives or false positives, or do not perform in accordance with
specifications. Product liability claims filed against us or against third parties to whom we may have an obligation could be costly and time-
consuming to defend and result in substantial damages or reputational risk. We cannot be certain that we would be able to successfully defend any
product or service liability lawsuit brought against us. Regardless of merit or eventual outcome, product or service liability claims may result in:

•

•

•

•

•

decreased demand for our products;

injury to our reputation;

increased product liability insurance costs;

costs of related litigation; and

substantial monetary awards to plaintiffs.

Although we carry product and service liability insurance, if we become the subject of a successful product or service liability lawsuit, our insurance
may not cover all substantial liabilities, which could have an adverse effect on our business, financial condition, or results of operations.

Doing business internationally, especially in emerging markets, creates operational risk for our business.

Conducting and launching operations on an international scale requires close coordination of activities across multiple jurisdictions and consumes
significant management resources. If we fail to coordinate and manage these activities effectively, including the risks noted below, our business,
financial condition, or results of operations could be adversely affected. We have sales offices located internationally throughout Europe, the Asia-
Pacific region, and Brazil, as well as manufacturing and research facilities in Singapore and the United Kingdom. Shipments to customers outside
the United States comprised 48%, 47%, and 45% of our total revenue in 2019, 2018, and 2017, respectively.

We are subject to the following risks and challenges associated with conducting business globally, particularly in emerging international markets,
where we expect a growing proportion of our business to be located:

•

•

•

•

•

•

•

longer payment cycles and difficulties in collecting accounts receivable outside of the United States;

longer sales cycles due to the volume of transactions taking place through public tenders;

challenges in staffing and managing foreign operations;

tariffs and other trade barriers;

lack of consistency, and unexpected changes, in legislative or regulatory requirements of foreign countries into which we sell our
products;

increased risk of governmental and regulatory scrutiny and investigations;

the burden of complying with a wide variety of foreign laws, regulations, and legal standards;

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•

•

•

•

•

•

•

•

operating in locations with a higher incidence of corruption and fraudulent business practices;

import and export requirements, tariffs, taxes, and other trade barriers;

weak or no protection of intellectual property rights;

possible enactment of laws regarding the management of and access to data and public networks and websites;

potential negative impact of a global health crisis, such as the outbreak of a serious infectious disease, to our commercial or
manufacturing operations, including the loss of productivity from our own workforce and consequences of any restrictions on the
movement of people or materials;

possible future limitations on foreign-owned businesses;

significant taxes; and

other factors beyond our control, including political, social and economic instability, and security concerns in general.

Additionally, we must comply with complex foreign and U.S. laws and regulations, such as the U.S. Foreign Corrupt Practices Act, the U.K. Bribery
Act, and other local laws prohibiting corrupt payments to governmental officials, anti-competition regulations and sanctions imposed by the U.S.
Office of Foreign Assets Control and other similar laws and regulations. Violations of these laws and regulations could result in fines and penalties,
criminal sanctions, restrictions on our business conduct and on our ability to offer our products in one or more countries, and could also materially
affect our brand, our ability to attract and retain employees, our international operations, our business and our operating results. Although we have
implemented policies and procedures designed to ensure compliance with these laws and regulations, there can be no assurance that our
employees, contractors, or agents will not violate our policies.

As we continue to expand our business into multiple international markets, our success will depend, in large part, on our ability to anticipate and
effectively manage these and other risks associated with our international operations. Any of these risks could harm our international operations and
negatively impact our sales, adversely affecting our business, results of operations, financial condition and growth prospects.

We are exposed to risks associated with transactions denominated in foreign currency.

During 2019, nearly half of our international sales were denominated in foreign currencies while the majority of our purchases of raw materials were
denominated in U.S. dollars. Changes in the value of the relevant currencies may affect the cost of certain items required in our operations.
Changes in currency exchange rates may also affect the relative prices at which we are able to sell products in the same market. Our revenues from
international customers may be negatively impacted as increases in the U.S. dollar relative to our international customers local currency could make
our products more expensive, impacting our ability to compete. Our costs of materials from international suppliers may increase if, in order to
continue doing business with us, they raise their prices as the value of the U.S. dollar decreases relative to their local currency. Foreign policies and
actions regarding currency valuation could result in actions by the United States and other countries to offset the effects of such fluctuations. Recent
global financial conditions have led to a high level of volatility in foreign currency exchange rates and that level of volatility may continue, which could
adversely affect our business, financial condition, or results of operations.

Significant developments stemming from the U.S. administration or the U.K.’s referendum on membership in the EU could have an
adverse effect on us.

The U.S. administration has called for substantial changes to trade agreements and is imposing significant increases on tariffs on goods imported
into the United States. Changes in U.S. or foreign political, regulatory and economic conditions or laws and policies governing foreign trade,
manufacturing, and development and investment in the territories and countries where we or our customers operate could adversely affect our
operating results and our business. The prospect of such changes has already affected, and may continue to affect, the timing of customer
purchases.

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Additionally, on June 23, 2016, the United Kingdom held a referendum and voted in favor of leaving the European Union, or EU. This referendum
has created political and economic uncertainty, particularly in the United Kingdom and the EU. Our business could be affected as the United
Kingdom and the EU negotiate the United Kingdom’s exit from the EU and adopt and implement new trade agreements. In addition, our business
could be negatively affected by new trade agreements between the United Kingdom and other countries, including the United States, and by the
possible imposition of trade or other regulatory barriers in the United Kingdom. These possible negative impacts, and others resulting from the
United Kingdom’s actual or threatened withdrawal from the EU, may adversely affect our operating results and our customers’ businesses.

We are subject to risks related to taxation in multiple jurisdictions.

We are subject to income taxes in both the United States and numerous foreign jurisdictions. Significant judgments based on interpretations of
existing tax laws or regulations are required in determining the provision for income taxes. Our effective income tax rate could be adversely affected
by various factors, including, but not limited to, changes in the mix of earnings in tax jurisdictions with different statutory tax rates, changes in the
valuation of deferred tax assets and liabilities, changes in existing tax policies, laws, regulations, or rates, changes in the level of non-deductible
expenses (including share-based compensation), location of operations, changes in our future levels of research and development spending,
mergers and acquisitions, or the result of examinations by various tax authorities. Although we believe our tax estimates are reasonable, if the U.S.
Internal Revenue Service or other taxing authority disagrees with the positions taken on our tax returns, we could have additional tax liability,
including interest and penalties. If material, payment of such additional amounts upon final adjudication of any disputes could have a material impact
on our results of operations and financial position.

Our operating results may vary significantly from period to period, and we may not be able to sustain operating profitability.

Our revenue is subject to fluctuations due to the timing of sales of high-value products and services, the effects of new product launches and related
promotions, the timing and availability of our customers’ funding, the impact of seasonal spending patterns, the timing and size of research projects
our customers perform, changes in overall spending levels in the life sciences industry, and other unpredictable factors that may affect customer
ordering patterns. In particular, collaboration agreements and large-scale government funded projects such as population genomic projects are the
result of lengthy and complex negotiations, and the timing of revenue recognition in connection with these agreements and projects may be subject
to significant uncertainty because of the long-term nature of development and collaboration projects, as well as sample availability for population
genomics projects.

Given the difficulty in predicting the timing and magnitude of sales for our products and services, we may experience quarter-to-quarter fluctuations
in revenue resulting in the potential for a sequential decline in quarterly revenue. While we anticipate future growth, there is some uncertainty as to
the timing of revenue on a quarterly basis. This is because a substantial portion of our quarterly revenue is typically recognized in the last month of a
quarter and because the pattern for revenue generation during that month is normally not linear, with a concentration of orders in the final weeks of
the quarter. In light of that, our manufacturing and shipping operations may experience increased pressure and demand during the time period
shortly before the end of a fiscal quarter; delays related to our manufacturing and shipping operations during this time period could delay the
recognition of revenue.

A large portion of our expenses are relatively fixed, including expenses for facilities, equipment, and personnel. To meet the anticipated growth in
our business, we may incur fixed expenses, such as costs related to facility expansions, before we generate revenue sufficient to fully support such
expenses. In addition, we expect operating expenses to continue to increase in absolute dollars to support our anticipated growth. Accordingly, our
ability to sustain profitability will depend in part on the rate of growth, if any, of our revenue and on the level of our expenses, and if revenue does
not grow as anticipated, we may not be able to maintain annual or quarterly profitability. Any significant delays in the commercial launch of our
products, unfavorable sales trends in our existing product lines, or impacts from the other factors mentioned above, could adversely affect our future
revenue growth or cause a sequential decline in quarterly revenue. In addition, non-cash share-based compensation expense and expenses related
to prior and future acquisitions are also likely to continue to adversely affect our future profitability. Due to the possibility of significant fluctuations in
our revenue and expenses, particularly from quarter to quarter, we believe that quarterly comparisons of our operating results are not a good
indication of our future performance.

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If our operating results fluctuate or do not meet the expectations of stock market analysts and investors, our stock price could decline.

From time to time, we receive large orders that have a significant effect on our operating results in the period in which the order is recognized as
revenue. The timing of such orders is difficult to predict, and the timing of revenue recognition from such orders may affect period-to-period changes
in net sales. As a result, our operating results could vary materially from quarter-to-quarter based on the receipt of such orders and their ultimate
recognition as revenue.

We may not be able to convert our order backlog into revenue.

Our backlog consists of orders believed to be firm as of the balance sheet date. However, we may allow customers to make product substitutions as
we launch new products. We may not receive revenue from some of these orders, and the order backlog we report may not be indicative of our
future revenue. Many events can cause an order to be delayed or not completed at all, some of which may be out of our control. If we delay fulfilling
customer orders, or if customers reconsider their orders, those customers may seek to cancel or modify their orders with us. Customers may
otherwise seek to cancel or delay their orders even if we are prepared to fulfill them. If our orders in backlog do not result in sales, our operating
results may suffer.

Disruption of critical information technology systems or material breaches in the security of our systems could have an adverse effect on
our operations, business, customer relations, and financial condition.

Information technology (IT) systems help us operate efficiently, interface with customers, maintain financial accuracy and efficiency, and accurately
produce our consolidated financial statements. IT systems are used extensively in virtually all aspects of our business, including product
manufacturing and supply chain, sales forecast, order fulfillment and billing, customer service, logistics, and management of financial reports and
data. Our success depends, in part, on the continued and uninterrupted performance of our IT systems. IT systems may be vulnerable to damage
from a variety of sources, including telecommunications or network failures, power loss, natural disasters, human acts, terrorist attacks, computer
viruses, computer denial-of-service attacks, unauthorized access to customer or employee data or company trade secrets, and other attempts to
harm our systems. Certain of our systems are not redundant, and our disaster recovery planning is not sufficient for every eventuality. Despite any
precautions we may take, such problems could result in, among other consequences, disruption of our operations, which could harm our reputation
and financial results.

If we do not allocate and effectively manage the resources necessary to build and sustain the proper IT infrastructure, we could be subject to
transaction errors, processing inefficiencies, the loss of customers, business disruptions, or the loss of or damage to intellectual property through
security breach. If our data management systems do not effectively collect, store, process, and report relevant data for the operation of our
business, whether due to equipment malfunction or constraints, software deficiencies, or human error, our ability to effectively plan, forecast, and
execute our business plan and comply with applicable laws and regulations will be impaired. Any such impairment could adversely affect our
reputation, financial condition, results of operations, cash flows, and the timeliness with which we report our internal and external operating results.

As we continuously adjust our workflow and business practices and add additional functionality to our enterprise resource planning software and
other software applications, problems could arise that we have not foreseen, including interruptions in service, loss of data, or reduced functionality.
Such problems could adversely impact our ability to provide quotes, take customer orders, and otherwise run our business in a timely manner. In
addition, if our new systems fail to provide accurate and increased visibility into pricing and cost structures, it may be difficult to improve or maximize
our profit margins. As a result, our results of operations and cash flows could be adversely affected.

Changes in accounting standards and subjective assumptions, estimates, and judgments by management related to complex accounting
matters could significantly affect our financial results or financial condition.

Generally accepted accounting principles and related accounting pronouncements, implementation guidelines, and interpretations with regard to a
wide range of matters that are relevant to our business, such as revenue recognition, asset impairment and fair value determinations, inventories,
business combinations and intangible asset valuations, and litigation, are highly complex and involve many subjective assumptions, estimates, and

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judgments. Changes in these rules or their interpretation or changes in underlying assumptions, estimates, or judgments could significantly change
our reported or expected financial performance or financial condition.

Ethical, legal, and social concerns related to the use of genetic information could reduce demand for our products or services.

Our products may be used to provide genetic information about humans, agricultural crops, other food sources, and other living organisms. The
information obtained from our products could be used in a variety of applications, which may have underlying ethical, legal, and social concerns
regarding privacy and the appropriate uses of the resulting information, including preimplantation genetic screening of embryos, prenatal genetic
testing, genetic engineering or modification of agricultural products, or testing genetic predisposition for certain medical conditions, particularly for
those that have no known cure. Our customers’ implementation of our products to provide their own products and services may raise such concerns
and affect our own reputation. U.S. and international governmental authorities could, for social or other purposes, call for limits on or regulation of
the use of genetic testing or prohibit testing for genetic predisposition to certain conditions, particularly for those that have no known cure. Similarly,
such concerns may lead individuals to refuse to use genetics tests, even if permissible. These and other ethical, legal, and social concerns about
genetic testing may limit market acceptance of our technology for certain applications or reduce the potential markets for our technology, either of
which could have an adverse effect on our business, financial condition, or results of operations.

Conversion of our outstanding convertible notes may result in losses.

As of December 29, 2019, we had $517 million aggregate principal amount of convertible notes due 2021 and $750 million aggregate principle
amount of convertible notes due 2023 outstanding. The notes are convertible into cash, and if applicable, shares of our common stock under certain
circumstances, including trading price conditions related to our common stock. Upon conversion, we are required to record a gain or loss for the
difference between the fair value of the notes to be extinguished and their corresponding net carrying value. The fair value of the notes to be
extinguished depends on our current incremental borrowing rate. The net carrying value of our notes has an implicit interest rate of 3.5% with
respect to convertible notes due 2021 and 3.7% with respect to convertible notes due 2023. If our incremental borrowing rate at the time of
conversion is lower than the implied interest rate of the notes, we will record a loss in our consolidated statement of income during the period in
which the notes are converted.

Our Certificate of Incorporation and Bylaws include anti-takeover provisions that may make it difficult for another company to acquire
control of us or limit the price investors might be willing to pay for our stock.

Certain provisions of our Certificate of Incorporation and Bylaws could delay the removal of incumbent directors and could make it more difficult to
successfully complete a merger, tender offer, or proxy contest involving us. Our Certificate of Incorporation has provisions that give our Board the
ability to issue preferred stock and determine the rights and designations of the preferred stock at any time without stockholder approval. The rights
of the holders of our common stock will be subject to, and may be adversely affected by, the rights of the holders of any preferred stock that may be
issued in the future. The issuance of preferred stock, while providing flexibility in connection with possible acquisitions and other corporate purposes,
could have the effect of making it more difficult for a third party to acquire, or of discouraging a third party from acquiring, a majority of our
outstanding voting stock. In addition, the staggered terms of our board of directors could have the effect of delaying or deferring a change in control.

In addition, certain provisions of the Delaware General Corporation Law (DGCL), including Section 203 of the DGCL, may have the effect of
delaying or preventing changes in the control or management of Illumina. Section 203 of the DGCL provides, with certain exceptions, for waiting
periods applicable to business combinations with stockholders owning at least 15% and less than 85% of the voting stock (exclusive of stock held by
directors, officers, and employee plans) of a company.

The above factors may have the effect of deterring hostile takeovers or otherwise delaying or preventing changes in the control or management of
Illumina, including transactions in which our stockholders might otherwise receive a premium over the fair market value of our common stock.

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LEGAL PROCEEDINGS

See discussion of legal proceedings in note “8. Legal Proceedings” within the Consolidated Financial Statements section of this report, which is
incorporated by reference herein.

SELECTED FINANCIAL DATA

The following tables set forth selected consolidated financial data for each of our last five fiscal years. This information should be read in conjunction
with the consolidated financial statements and notes thereto included in the Consolidated Financial Statements section of this report.

Statement of Income Data

(In millions, except per share data) 
Total revenue

Income from operations

Consolidated net income

Net income attributable to Illumina
stockholders

Net income attributable to Illumina
stockholders for earnings per share

December 29, 2019
(52 weeks)

December 30, 2018
(52 weeks)

December 31, 2017
(52 weeks)

January 1, 2017 (52
weeks)

January 3, 2016 (53
weeks)

Years Ended

$

$

$

$

$

3,543   $

985   $

990   $

3,333   $

883   $

782   $

2,752   $

606   $

678   $

2,398   $

587   $

428   $

1,002   $

826   $

726   $

463   $

1,002   $

826   $

725   $

454   $

Earnings per share attributable to Illumina stockholders:

Basic

Diluted

$

$

Shares used in computing earnings per share:

Basic

Diluted

6.81   $

6.74   $

147  

149  

5.63   $

5.56   $

147  

149  

4.96   $

4.92   $

146  

148  

3.09   $

3.07   $

147  

148  

Certain amounts may not recalculate using the rounded amounts provided.

Balance Sheet Data

2,220

613

458

462

462

3.19

3.10

145

149

In millions
Cash, cash equivalents and short-term
investments

Total assets

Short-term debt

Long-term debt

Redeemable noncontrolling interests

Total stockholders’ equity

MARKET INFORMATION

December 29, 
2019

December 30, 
2018

December 31, 
2017

January 1, 
2017

January 3, 
2016

$

$

$

$

3,414   $

7,316   $

—   $

1,141   $

—   $

4,613   $

3,512   $

6,959   $

1,107   $

890   $

61   $

3,845   $

2,145   $

5,257   $

10   $

1,182   $

220   $

2,749   $

1,559   $

4,281   $

2   $

1,056   $

44   $

2,270   $

1,386

3,688

75

1,016

33

1,849

Our common stock has been quoted on The NASDAQ Global Select Market under the symbol “ILMN” since July 28, 2000. Prior to that time, there
was no public market for our common stock. The following table sets forth, for the fiscal periods indicated, the quarterly high and low sales prices
per share of our common stock as reported on The NASDAQ Global Select Market.

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First Quarter

Second Quarter

Third Quarter

Fourth Quarter

Stock Performance Graph

2019

2018

High

Low

High

Low

$

$

$

$

322.32   $

369.00   $

380.76   $

336.63   $

268.62   $

300.35   $

263.30   $

279.76   $

256.64   $

293.15   $

372.61   $

371.91   $

207.51

225.82

274.66

271.00

The graph below compares the cumulative total stockholder returns on our common stock for the last five fiscal years with the cumulative total
stockholder returns on the NASDAQ Composite Index, the NASDAQ Biotechnology Index, and the S&P 500 Index for the same period. The graph
assumes that $100 was invested on December 28, 2014 in our common stock and in each index and that all dividends were reinvested. No cash
dividends have been declared on our common stock. Stockholder returns over the indicated period should not be considered indicative of future
stockholder returns.

Compare 5-Year Cumulative Total Return among Illumina, NASDAQ Composite Index,
NASDAQ Biotechnology Index, and S&P 500 Index

Holders

As of February 7, 2020, we had 128 record holders of our common stock.

Dividends

We have never paid cash dividends and have no present intention to pay cash dividends in the foreseeable future. The indentures for our
convertible senior notes due in 2021 and 2023, which are convertible into cash and, in certain circumstances, shares of our common stock, require
us to increase the conversion rate applicable to the notes if we pay any cash dividends.

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SHARE REPURCHASES AND SALES

Purchases of Equity Securities by the Issuer

On February 6, 2019, our Board of Directors authorized a share repurchase program, which superseded all prior and available repurchase
authorizations, to repurchase $550 million of outstanding common stock. The repurchases may be completed under a 10b5-1 plan or at
management’s discretion. Shares repurchased in open-market transactions pursuant to this program during 2019 were as follows:

In thousands, except price per share
First Quarter

Second Quarter

Third Quarter

Fourth Quarter (1)

Total

Total Number
of Shares 
Purchased

Average Price 
Paid per Share

210   $

297.38  

—  

687   $

208   $

1,105   $

—  

289.47  

300.03  

292.97  

Total Number of 
Shares Purchased as 
Part of Publicly 
Announced Programs

Approximate Dollar 
Value of Shares 
that May Yet Be 
Purchased Under 
the Programs

210   $

—   $

687   $

208   $

1,105   $

487,500

487,500

288,756

226,200

226,200

(1) Repurchases during the fourth quarter of 2019 were as follows:

In thousands, except price per share
September 30, 2019 - October 27, 2019

October 28, 2019 - November 24, 2019

November 25, 2019 - December 29, 2019

Total

Sales of Unregistered Securities

There were no sales of unregistered securities in 2019.

Total Number
of Shares 
Purchased

Average Price 
Paid per Share

—  

—  

208   $

300.03  

—  

208   $

—  

300.03  

Total Number of 
Shares Purchased as 
Part of Publicly 
Announced Programs

Approximate Dollar 
Value of Shares 
that May Yet Be 
Purchased Under 
the Programs

—   $

208   $

—   $

208   $

288,756

226,200

226,200

226,200

27

  
 
  
 
 
  
 
  
 
 
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MANAGEMENT’S DISCUSSION & ANALYSIS

Our Management’s Discussion and Analysis (MD&A) will help readers understand our results of operations, financial condition, and cash flow. It is
provided in addition to the accompanying consolidated financial statements and notes. This MD&A is organized as follows:

• Management’s Overview and Outlook. High level discussion of our operating results and significant known trends that affect our

business.

•

•

•

•

Results of Operations. Detailed discussion of our revenues and expenses.

Liquidity and Capital Resources. Discussion of key aspects of our consolidated statements of cash flows, changes in our financial
position, and our financial commitments.

Contractual Obligations. Tabular disclosure of known contractual obligations as of December 29, 2019.

Critical Accounting Policies and Estimates. Discussion of significant changes we believe are important to understanding the
assumptions and judgments underlying our consolidated financial statements.

• Quantitative and Qualitative Disclosure about Market Risk. Discussion of our financial instruments’ exposure to market risk.

•

Recent Accounting Pronouncements. Summary of recent accounting pronouncements applicable to our consolidated financial
statements.

• Off-Balance Sheet Arrangements. We have no off-balance sheet arrangements.

Our discussion of our results of operations, financial condition, and cash flow for 2017 can be found in “Management’s Discussion and Analysis of
Financial Condition and Results of Operations” within our filing of Form 10-K for the fiscal year ended 2017.

This MD&A discussion contains forward-looking statements that involve risks and uncertainties. See “Special Note Regarding Forward-Looking
Statements” preceding the Business & Market Overview section of this report for additional factors relating to such statements. See “Risk Factors”
within the Business & Market Information section of this report for a discussion of certain risk factors applicable to our business, financial condition,
and results of operations. Operating results are not necessarily indicative of results that may occur in future periods.

MANAGEMENT’S OVERVIEW AND OUTLOOK

This overview and outlook provides a high-level discussion of our operating results and significant known trends that affect our business. We believe
that an understanding of these trends is important to understanding our financial results for the periods being reported herein as well as our future
financial performance. This summary is not intended to be exhaustive, nor is it intended to be a substitute for the detailed discussion and analysis
provided elsewhere in this report.

About Illumina

We have one reportable segment, Core Illumina, which relates to Illumina’s core operations. Prior to the Helix deconsolidation on April 25, 2019, our
reportable segments included both Core Illumina and Helix. Prior to the deconsolidation of GRAIL on February 28, 2017, our Consolidated VIEs
reportable segment included the combined operations of Helix and GRAIL. For information on Helix and GRAIL, refer to note “3. Investments and
Fair Value Measurements” and note “11. Segments and Geographic Data” within the Consolidated Financial Statements section of this report.

Our focus on innovation has established us as the global leader in DNA sequencing and array-based technologies, serving customers in the
research, clinical and applied markets.  Our products are used for applications in the life sciences, oncology, reproductive health, agriculture and
other emerging segments.

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Our customers include leading genomic research centers, academic institutions, government laboratories, and hospitals, as well as pharmaceutical,
biotechnology, commercial molecular diagnostic laboratories, and consumer genomics companies.

Our comprehensive line of products addresses the scale of experimentation and breadth of functional analysis to advance disease research, drug
development, and the development of molecular tests. This portfolio of leading-edge sequencing and array-based solutions addresses a range of
genomic complexity and throughput, enabling researchers and clinical practitioners to select the best solution for their scientific challenge.

Our financial results have been, and will continue to be, impacted by several significant trends, which are described below. While these trends are
important to understanding and evaluating our financial results, this discussion should be read in conjunction with our consolidated financial
statements and the notes thereto within the Consolidated Financial Statements section of this report, and the other transactions, events, and trends
discussed in “Risk Factors” within the Business & Market Information section of this report.

Financial Overview

Consolidated financial highlights include the following:

•

•

•

Revenue increased 6% in 2019 to $3.5 billion compared to $3.3 billion in 2018 primarily due to increased sequencing consumables
revenue and revenue from development and licensing agreements, partially offset by a decline in microarray revenue due to weakness
in the direct-to-consumer (DTC) market. We expect our revenue to continue to increase in 2020, although we anticipate ongoing
weakness in the DTC market. We are continuing to monitor and assess the effects of the coronavirus outbreak on our commercial and
manufacturing operations, including any impact on our revenue in 2020.

Gross profit as a percentage of revenue (gross margin) was 69.6% in 2019 compared to 69.0% in 2018. The gross margin increase
was driven primarily by an increase in revenue from development and licensing agreements as well as an increase in sequencing
consumables as a percentage of total revenue, which generate higher gross margins, partially offset by lower average selling prices on
instruments and consumables and lower volumes in our service business.  Our gross margin in future periods will depend on several
factors, including: market conditions that may impact our pricing; sales mix changes among consumables, instruments, services, and
development and licensing revenue; product mix changes between established products and new products; excess and obsolete
inventories; royalties; our cost structure for manufacturing operations relative to volume; and product support obligations.

Income from operations as a percentage of revenue increased to 27.8% in 2019 compared to 26.5% in 2018 primarily due to increased
revenue, improved gross margins, and a decrease in operating expenses as a percentage of revenue. We expect our operating
expenses to continue to grow on an absolute basis in 2020.

• Our effective tax rate was 11.4% and 12.5% in 2019 and 2018, respectively. In 2019, the variance from the U.S. federal statutory tax

rate of 21% was primarily attributable to the mix of earnings in jurisdictions with lower statutory tax rates than the U.S. federal statutory
tax rate, such as in Singapore and the United Kingdom, discrete tax benefits related to uncertain tax positions, and tax benefits related
to share-based compensation.

Our future effective tax rate may vary from the U.S. federal statutory tax rate due to the mix of earnings in tax jurisdictions with different
statutory tax rates and the other factors discussed in the risk factor “We are subject to risks related to taxation in multiple jurisdictions”
in “Risk Factors” within the Business & Market Information section of this report. As a result of the U.S. Court of Appeals for the Ninth
Circuit decision on June 7, 2019 to overturn a U.S. Tax Court opinion provided in Q3 2015 that stock compensation should be excluded
from cost sharing charges, we anticipate our effective tax rate may be adversely impacted. The final resolution of this case is uncertain,
but if it is determined that the outcome of this decision is more likely than not, a discrete tax expense of up to $30 million could be
recorded. Excluding this item, we anticipate that our future effective tax rate will remain lower than the

29

 
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U.S. federal statutory tax rate of 21% due to the portion of our earnings that will be subject to lower statutory tax rates.

• We ended 2019 with cash, cash equivalents, and short-term investments totaling $3.4 billion, of which approximately $547 million was

held by our foreign subsidiaries.

RESULTS OF OPERATIONS

To enhance comparability, the following table sets forth audited consolidated statement of operations data for 2019, 2018, and 2017, stated as a
percentage of total revenue.

Revenue:

Product revenue

Service and other revenue

Total revenue

Cost of revenue:

Cost of product revenue

Cost of service and other revenue

Amortization of acquired intangible assets

Total cost of revenue

Gross profit

Operating expense:

Research and development

Selling, general and administrative

Total operating expense

Income from operations

Other income (expense):

Interest income

Interest expense

Other income, net

Total other income, net

Income before income taxes

Provision for income taxes

Consolidated net income

Add: Net loss attributable to noncontrolling interests

Net income attributable to Illumina stockholders

Percentages may not recalculate due to rounding.

2019

2018

2017

82.7 %  

82.5 %  

17.3

100.0

17.5

100.0

83.2 %

16.8

100.0

22.6

6.8

1.0

30.4

69.6

18.3

23.5

41.8

27.8

2.1

(1.5)

3.2

3.8

31.6

3.6

28.0

0.3

22.1

7.8

1.1

31.0

69.0

18.7

23.8

42.5

26.5

1.3

(1.7)

0.7

0.3

26.8

3.3

23.5

1.3

24.7

7.6

1.3

33.6

66.4

19.8

24.6

44.4

22.0

0.7

(1.3)

16.5

15.9

37.9

13.3

24.6

1.8

28.3 %  

24.8 %  

26.4 %

Revenue

 (Dollars in millions)
Consumables

Instruments

Total product revenue

Service and other
revenue

$

2,392   $

2,177   $

537  

2,929  

572  

2,749  

614  

584  

Total revenue

$

3,543   $

3,333   $

2019

2018

Change

  % Change

2017

Change

  % Change

2019 - 2018

2018 - 2017

10 %   $

1,771   $

(6)

7

5

518  

2,289  

463  

6 %   $

2,752   $

406  

54  

460  

121  

581  

23%

10

20

26

21%

215  

(35)  

180  

30  

210  

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Service and other revenue consists primarily of revenue generated from genotyping and sequencing services, instrument service contracts, and
development and licensing agreements. Total revenue primarily relates to Core Illumina for all periods presented.

2019 Compared to 2018

The increase in consumables revenue in 2019 was driven by a $251 million increase in sequencing consumables revenue, primarily due to growth in
the instrument installed base. The increase in sequencing consumables revenue was partially offset by a decrease in microarray consumables
revenue, primarily due to ongoing weakness in the direct-to-consumer (DTC) market. Instruments revenue decreased in 2019 primarily due to a
lower average selling price for our NovaSeq instrument compared to its historic range as well as fewer shipments of our microarray instruments.
These decreases were partially offset by increased shipments of our NextSeq instruments in 2019. Service and other revenue increased in 2019
primarily due to increased revenue from development and licensing agreements, partially offset by decreased revenue from sequencing and
genotyping services.

2018 Compared to 2017

The increase in consumables revenue in 2018 was primarily due to a $340 million increase in sequencing consumables revenue driven primarily by
growth in the instrument installed base. Instruments revenue increased in 2018 primarily due to a $48 million increase in sequencing instruments
revenue driven by increased shipments of our NovaSeq and NextSeq instruments, partially offset by fewer shipments of our HiSeq instrument.
Service and other revenue increased in 2018 as a result of increased revenue from sequencing services, development agreements, and genotyping
services.

Gross Margin

 (Dollars in millions)
Gross profit

Gross margin

2019 - 2018

2019

2018

Change

% Change

2017

$

2,467

  $

69.6%  

2,300

  $

69.0%    

167  

7%   $

1,826

  $

66.4%    

2018 - 2017

Change

  % Change
26%

474  

2019 Compared to 2018

The gross margin increase in 2019 was driven primarily by an increase in revenue from development and licensing agreements as well as an
increase in sequencing consumables as a percentage of total revenue, which generate higher gross margins, partially offset by lower average
selling prices on instruments and consumables and lower volumes in our service business.

2018 Compared to 2017

The gross margin increase in 2018 was driven primarily by an increase in consumables as a percentage of total revenue, which generate higher
gross margins, and an $18 million impairment of an acquired intangible asset and inventory reserves related to product transitions that were
recorded in 2017.

Operating Expense

 (Dollars in millions)
Research and development $

Selling, general and
administrative

647   $

623   $

835  

794  

Total operating expense

$

1,482   $

1,417   $

2019 Compared to 2018

2019

2018

Change

% Change

2017

2019 - 2018

2018 - 2017

Change

  % Change

4%   $

546   $

77  

5

674  

5%   $

1,220   $

120  

197  

14%

18

16%

24  

41  

65  

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Core Illumina R&D expense increased by $43 million, or 7%, primarily due to increased headcount, as we continue to invest in the research and
development of new products and enhancements to existing products, partially offset by a decrease in performance-based compensation.  Helix
R&D expense decreased by $19 million, primarily due to its deconsolidation on April 25, 2019.

Core Illumina SG&A expense increased by $73 million, or 10%, primarily due to increased headcount and investments in facilities to support the
continued growth and scale of our operations, and $43 million in expenses related to the Pacific Biosciences acquisition, which was terminated on
January 2, 2020, partially offset by a decrease in performance-based compensation. Helix SG&A expense decreased by $32 million, primarily due to
its deconsolidation on April 25, 2019.

2018 Compared to 2017

Core Illumina R&D expense increased by $78 million, or 15%, primarily due to increased headcount, as we continue to invest in the research and
development of new products and enhancements to existing products, and an increase in performance-based compensation.  R&D expense of our
Consolidated VIEs decreased by $1 million, primarily due to the deconsolidation of GRAIL in Q1 2017, partially offset by the growth in Helix’s
operations.

Core Illumina SG&A expense increased by $125 million, or 20%, primarily due to increased headcount and investments in facilities to support the
continued growth and scale of our operations, and an increase in performance-based compensation. SG&A expense of our Consolidated VIEs
decreased by $5 million primarily due to the deconsolidation of GRAIL in Q1 2017, partially offset by the growth of Helix's operations.

Other Income, Net

 (Dollars in millions)
Interest income

Interest expense

Other income, net

2019

2018

Change

% Change

2017

Change

% Change

2019 - 2018

2018 - 2017

$

75   $

(52)  

110  

44   $

(57)  

24  

11   $

31  

5  

86  

122  

70 %   $

19   $

(9)

358

(37)  

455  

1,109 %   $

437   $

25  

(20)  

(431)  

(426)  

132 %

54

(95)

(97)%

Total other income, net $

133   $

Other income, net primarily relates to Core Illumina for all periods presented.

2019 Compared to 2018

Interest income increased in 2019 compared to 2018 as a result of higher cash and cash-equivalent balances and yields on our short-term debt
securities. Interest expense consisted primarily of accretion of discount on our convertible senior notes. The increase in other income, net, in 2019,
was primarily due to mark-to-market adjustments on our strategic investments in marketable equity securities. Additionally, in 2019, we recorded a
$39 million gain related to the deconsolidation of Helix and a $15 million gain from the settlement of a contingency related to the deconsolidation of
GRAIL in 2017.

2018 Compared to 2017

Interest income increased in 2018 compared to 2017 as a result of higher yields on our short-term debt securities and higher cash and cash-
equivalent balances. Interest expense consisted primarily of accretion of discount on our convertible senior notes and interest recorded on our
financing obligations related to our build-to-suit properties. Other income, net, in 2018, consisted primarily of mark-to-market adjustments and
impairments from our strategic investments. Other income, net decreased in 2018 primarily due to a $453 million gain recorded on the
deconsolidation of GRAIL in 2017.

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Provision for Income Taxes

 (Dollars in millions)
Income before income taxes $

Provision for income taxes

Consolidated net income

$

2019

2018

Change

  % Change

2017

Change

  % Change

2019 - 2018

2018 - 2017

1,118

  $

128

990

  $

894

112

782

  $

  $

224  

16  

208  

25%   $

1,043

  $

14

27%   $

365

678

  $

35.0%    

(149)  

(253)  

104  

(14)%

(69)

15 %

Effective tax rate

11.4%  

12.5%    

2019 Compared to 2018

In 2019, the variance from the U.S. federal statutory rate of 21% was primarily attributable to the mix of earnings in jurisdictions with lower statutory
tax rates than the U.S. federal statutory tax rate, such as in Singapore and the United Kingdom, discrete tax benefits related to uncertain tax
positions, and tax benefits related to share-based compensation. In 2018, the variance from the U.S. federal statutory rate of 21% was primarily
attributable to the mix of earnings in jurisdictions with lower statutory tax rates than the U.S. federal statutory tax rate, such as in Singapore and the
United Kingdom, and tax benefits related to share-based compensation, offset partially by the $11 million tax expense associated with updating prior
year estimates of the impact of U.S. Tax Reform.

2018 Compared to 2017

In 2018, the U.S. federal statutory rate was reduced from 35% to 21%. In 2018, the variance from the U.S. federal statutory rate of 21% was
primarily attributable to the mix of earnings in jurisdictions with lower statutory tax rates than the U.S. federal statutory tax rate, such as in Singapore
and the United Kingdom, and tax benefits related to share-based compensation, offset partially by the $11 million tax expense associated with
updating prior year estimates of the impact of U.S. Tax Reform. In 2017, the effective tax rate was primarily attributable to the mix of earnings in
jurisdictions with lower statutory rates from the U.S. federal statutory rate, such as in Singapore and the United Kingdom, and tax benefits related to
share-based compensation. Such impacts were offset primarily by the provisional estimated impact of U.S. Tax Reform of $150 million. The impact
of U.S. Tax Reform primarily represented our provisional estimate of the one-time transition tax on earnings of certain foreign subsidiaries that were
previously tax deferred, and the impact of revaluing our U.S. deferred tax assets and liabilities based on the statutory rates at which they are
expected to be recognized in the future, which for federal purposes was reduced from 35% to 21%.

LIQUIDITY AND CAPITAL RESOURCES

At December 29, 2019, we had approximately $2.0 billion in cash and cash equivalents, of which approximately $547 million was held by our foreign
subsidiaries. Cash and cash equivalents increased by $898 million from last year due to the factors described in the “Cash Flow Summary” below.
Our primary source of liquidity, other than our holdings of cash, cash equivalents, and investments, has been cash flows from operations and, from
time to time, issuances of debt. Our ability to generate cash from operations provides us with the financial flexibility we need to meet operating,
investing, and financing needs. It is our intention to indefinitely reinvest the historical earnings of our foreign subsidiaries generated prior to 2017. As
of December 29, 2019, we asserted that $331 million of foreign earnings would not be indefinitely reinvested.

Historically, we have liquidated our short-term investments and/or issued debt and equity securities to finance our business needs as a supplement
to cash provided by operating activities. As of December 29, 2019, we had $1.4 billion in short-term investments. Our short-term investments are
predominantly comprised of marketable securities consisting of U.S government-sponsored entities, corporate debt securities, and U.S. Treasury
securities.

Our 2019 Notes matured on June 15, 2019, by which time the $633 million in principal had been converted and was paid in cash. The excess of the
conversion value over the principal amount was paid in shares of common stock. Our convertible senior notes due in 2021 and 2023 were not
convertible as of December 29, 2019.

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We made cash payments to Pacific Biosciences of California, Inc. (PacBio) totaling $18 million in 2019. Pursuant to the Termination Agreement, we
made a cash payment to PacBio of $98 million on January 2, 2020, which represented the Reverse Termination Fee (as defined in the Merger
Agreement). Additionally, we made cash payments of $6 million and $22 million on January 2, 2020 and February 3, 2020, respectively, and will
make a cash payment of $6 million on or before March 2, 2020. These payments totaling $34 million, along with the $18 million of payments made in
the fourth quarter of 2019, are collectively referred to as the Continuation Advances. See note “4. Intangible Assets, Goodwill, and Acquisitions” in
the Consolidated Financial Statements section of this report for additional details.

We anticipate that our current cash, cash equivalents, and short-term investments, together with cash provided by operating activities, are sufficient
to fund our near-term capital and operating needs for at least the next 12 months. Operating needs include the planned costs to operate our
business, including amounts required to fund working capital and capital expenditures. Our primary short-term needs for capital, which are subject to
change, include:

•

•

•

•

•

•

•

support of commercialization efforts related to our current and future products;

acquisitions of equipment and other fixed assets for use in our current and future manufacturing and research and development
facilities;

the continued advancement of research and development efforts;

potential strategic acquisitions and investments;

potential repayment of debt obligations;

the expansion needs of our facilities, including costs of leasing and building out additional facilities; and

repurchases of our outstanding common stock.

Authorizations to repurchase $226 million of our common stock remained available as of December 29, 2019. On February 5, 2020, our Board of
Directors authorized a new share repurchase program, which superseded all prior and available repurchase authorizations, to repurchase $750
million of outstanding common stock. The repurchases may be completed under a 10b5-1 plan or at management’s discretion.

We had $51 million and up to $160 million, respectively, remaining in our capital commitments to two venture capital investment funds as of
December 29, 2019, that are callable through April 2026 and July 2029, respectively.

We expect that our revenue and the resulting operating income, as well as the status of each of our new product development programs, will
significantly impact our cash management decisions.

Our future capital requirements and the adequacy of our available funds will depend on many factors, including:

•

•

•

•

our ability to successfully commercialize and further develop our technologies and create innovative products in our markets;

scientific progress in our research and development programs and the magnitude of those programs;

competing technological and market developments; and

the need to enter into collaborations with other companies or acquire other companies or technologies to enhance or complement our
product and service offerings.

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Table of Contents

Cash Flow Summary

(In millions)
Net cash provided by operating activities

Net cash provided by (used in) investing activities

Net cash (used in) provided by financing activities

Effect of exchange rate changes on cash and cash equivalents

Net increase (decrease) in cash and cash equivalents

Operating Activities

2019

2018

2017

1,051   $

1,142   $

745  

(897)  

(1)  

898   $

(1,813)  

594  

(4)  

(81)   $

875

(214)

(176)

5

490

$

$

Net cash provided by operating activities in 2019 primarily consisted of net income of $990 million plus net adjustments of $255 million, partially
offset by net changes in operating assets and liabilities of $194 million. The primary non-cash adjustments to net income included share-based
compensation of $194 million, depreciation and amortization expenses of $188 million, accretion of debt discount of $46 million, deferred income
taxes of $11 million, and loss on Continuation Advances of $8 million, partially offset by payment of the accreted debt discount related to our 2019
Notes of $84 million, gains on deconsolidation of $54 million, and unrealized gains on marketable equity securities of $53 million. Cash flow impact
from changes in net operating assets and liabilities were primarily driven by increases in accounts receivable, other assets, and prepaid expenses
and decreases in accrued liabilities, accounts payable, and other long-term liabilities, partially offset by a decrease in inventory.

Net cash provided by operating activities in 2018 primarily consisted of net income of $782 million plus net adjustments of $378 million, partially
offset by net changes in operating assets and liabilities of $18 million. The primary non-cash adjustments to net income included share-based
compensation of $193 million, depreciation and amortization expenses of $179 million, accretion of debt discount of $41 million, partially offset by
deferred income taxes of $18 million. Cash flow impact from changes in net operating assets and liabilities were primarily driven by increases in
accounts receivable and inventory, partially offset by increases in accrued liabilities and accounts payable.

Investing Activities

Net cash provided by investing activities totaled $745 million in 2019. We purchased $1,010 million of available-for-sale securities and $2,016 million
of our available-for-sale securities matured or were sold during the period. We received $15 million in proceeds from the settlement of a contingency
related to the deconsolidation of GRAIL in 2017. We invested $209 million in capital expenditures, primarily associated with our investment in
facilities and paid $20 million for strategic investments and $18 million to PacBio for Continuation Advances. We removed $29 million in cash from
our balance sheet as a result of the deconsolidation of Helix.

Net cash used in investing activities totaled $1,813 million in 2018. We purchased $2,859 million of available-for-sale securities and $1,457 million of
our available-for-sale securities matured or were sold during the period. We paid net cash of $100 million for acquisitions and $15 million for
strategic investments. We also invested $296 million in capital expenditures, primarily associated with our investment in facilities.

Financing Activities

Net cash used in financing activities totaled $897 million in 2019. We used $550 million to repay financing obligations primarily related to our 2019
Notes, $324 million to repurchase our common stock, and $82 million to pay taxes related to net share settlement of equity awards. We received
$59 million in proceeds from the issuance of common stock through the exercise of stock options and the sale of shares under our employee stock
purchase plan.

Net cash provided by financing activities totaled $594 million in 2018. We received $735 million in proceeds from the issuance of $750 million in
principal amount of our convertible senior notes due 2023, net of issuance costs. We also received $46 million in proceeds from the issuance of
common stock through the exercise of stock options and the sale of shares under our employee stock purchase plan. We used $201 million to
repurchase our common stock and $74 million to pay taxes related to net share settlement of equity awards. Contributions from noncontrolling
interest owners were $92 million. Additionally, $4 million was used by Helix to repay financing obligations.

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CONTRACTUAL OBLIGATIONS

Contractual obligations represent future cash commitments and liabilities under agreements with third parties and exclude orders for goods and
services entered into in the normal course of business that are not enforceable or legally binding. The following table represents our contractual
obligations as of December 29, 2019, aggregated by type:

 In millions
Debt obligations(2)

Operating lease liabilities(3)

U.S. Tax Reform transition tax(4)

Amounts due under executive deferred compensation
plan

  $

1,271   $

970  

87  

46  

Total

  $

2,374   $

_______________________________________

Payments Due by Period(1)

Less Than

More Than

Total

1 Year

1 – 3 Years

3 – 5 Years

5 Years

2   $

77  

—  

46  

125   $

519   $

168  

17  

—  

704   $

750   $

171  

70  

—  

991   $

—

554

—

—

554

(1) The table excludes $79 million of uncertain tax positions and $211 million of capital commitments for our venture capital investment funds, as

the timing and amounts of settlement remained uncertain as of December 29, 2019. This table also excludes payments totaling $132 million
due to PacBio associated with the termination of the merger agreement on January 2, 2020. See note “9. Income Taxes,” note “7.
Supplemental Balance Sheet Details,” and note “3. Intangible Assets, Goodwill, and Acquisitions” in the Consolidated Financial Statements
section of this report for additional information.

(2) Debt obligations include the principal amount of our convertible senior notes due 2021 and 2023, as well as interest payments to be made
under the notes. Although these notes mature in 2021 and 2023, respectively, they may be converted into cash and shares of our common
stock prior to maturity if certain conditions are met. Any conversion prior to maturity can result in repayments of the principal amounts sooner
than the scheduled repayments as indicated in the table. See note “5. Debt and Other Commitments” in the Consolidated Financial
Statements section of this report for further discussion.

(3) Operating lease liabilities exclude $44 million of legally binding minimum lease payments for leases signed but not yet commenced.

(4) U.S. Tax Reform transition tax includes the remaining portion of the one-time tax on earnings of certain foreign subsidiaries which we elected

to pay in installments in accordance with the Tax Cuts and Jobs Act enacted on December 22, 2017.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

The preparation of financial statements in accordance with U.S. generally accepted accounting principles requires management to make estimates
and assumptions that affect the amounts reported in our consolidated financial statements and accompanying notes. Management bases its
estimates on historical experience, market and other conditions, and various other assumptions it believes to be reasonable. Although these
estimates are based on management’s best knowledge of current events and actions that may impact us in the future, the estimation process is, by
its nature, uncertain given that estimates depend on events over which we may not have control. If market and other conditions change from those
that we anticipate, our consolidated financial statements may be materially affected. In addition, if our assumptions change, we may need to revise
our estimates, or take other corrective actions, either of which may also have a material effect on our consolidated financial statements.

We believe that the following critical accounting policies and estimates have a higher degree of inherent uncertainty and require our most significant
judgments. In addition, had we used estimates different from any of these, our consolidated financial statements could have been materially different
from those presented. Members of our senior management have discussed the development and selection of our critical accounting policies and
estimates, and our disclosure regarding them, with the audit committee of our board of directors. Our accounting

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policies are more fully described in note “1. Organization and Significant Accounting Policies” in the Consolidated Financial Statements section of
this report.

Revenue Recognition

Our revenue is generated primarily from the sale of products and services. Product revenue primarily consists of sales of instruments and
consumables used in genetic analysis. Service and other revenue primarily consists of revenue generated from genotyping and sequencing
services, instrument service contracts, and development and licensing agreements.

We recognize revenue when control of our products and services is transferred to our customers in an amount that reflects the consideration we
expect to receive from our customers in exchange for those products and services. This process involves identifying the contract with a customer,
determining the performance obligations in the contract, determining the contract price, allocating the contract price to the distinct performance
obligations in the contract, and recognizing revenue when the performance obligations have been satisfied. Revenue recognition for contracts with
multiple deliverables is based on the separate satisfaction of each distinct performance obligation within the contract. A performance obligation is
considered distinct from other obligations in a contract when it provides a benefit to the customer either on its own or together with other resources
that are readily available to the customer and is separately identified in the contract. We consider a performance obligation satisfied once we have
transferred control of a good or service to the customer, meaning the customer has the ability to use and obtain the benefit of the good or service.
Most performance obligations are generally satisfied within a short time frame, approximately three to six months, after the contract execution date.
The contract price is allocated to each performance obligation in proportion to its standalone selling price. We determine our best estimate of
standalone selling price using average selling prices over a rolling 12-month period coupled with an assessment of current market conditions. If the
product or service has no history of sales or if the sales volume is not sufficient, we rely upon prices set by management, adjusted for applicable
discounts.

Revenue from product sales is recognized generally upon delivery to the end customer, which is when control of the product is deemed to be
transferred. Invoicing typically occurs upon shipment and payment is typically due within 60 days from invoice. In instances where right of payment
or transfer of title is contingent upon the customer’s acceptance of the product, revenue is deferred until all acceptance criteria have been met.
Revenue from genotyping and sequencing services is recognized when earned, which is generally at the time the genotyping or sequencing analysis
data is made available to the customer. Revenue from instrument service contracts is recognized as the services are rendered, typically evenly over
the contract term. Revenue from development and licensing agreements generally includes upfront and periodic licensing fees, contract research
and development services, or payments for development and regulatory milestones. Revenue for these agreements is recognized when each
distinct performance obligation is satisfied.

Revenue is recorded net of discounts, distributor commissions, and sales taxes collected on behalf of governmental authorities. Employee sales
commissions are recorded as selling, general and administrative expenses when incurred as the amortization period for such costs, if capitalized,
would have been one year or less.

In certain markets, products and services are sold to customers through distributors. In most sales through distributors, the product is delivered
directly to customers by us. The terms of sales transactions through distributors are consistent with the terms of direct sales to customers.

Investments

We invest in various types of securities, including debt securities in government-sponsored entities, corporate debt securities, U.S. Treasury
securities and equity securities. As of December 29, 2019, we had $1.4 billion in short-term investments. We classify our investments as Level 1, 2,
or 3 within the fair value hierarchy. Fair values determined by Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets
that we have the ability to access. Fair values determined by Level 2 inputs utilize data points that are observable such as quoted prices, interest
rates and yield curves. Fair values determined by Level 3 inputs utilize unobservable data points for the asset.

As discussed in note “3. Investments and Fair Value Measurements” in the Consolidated Financial Statements section of this report, almost half of
our security holdings have been classified as Level 2. These securities have been initially valued at the transaction price and subsequently valued
utilizing a third-party service provider who

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assesses the fair value using inputs other than quoted prices that are observable either directly or indirectly, such as yield curve, volatility factors,
credit spreads, default rates, loss severity, current market and contractual prices for the underlying instruments or debt, broker and dealer quotes, as
well as other relevant economic measures. We perform certain procedures to corroborate the fair value of these holdings, and in the process, we
apply judgment and estimates that if changed, could significantly affect our statement of financial positions.

Inventory Valuation

Inventory is stated at lower of cost or net realizable value. We regularly review inventory for excess and obsolete products and components, taking
into account product life cycles, quality issues, historical experience, and usage forecasts. We record write-downs of inventory for potentially excess,
obsolete, or impaired goods in order to state inventory at net realizable value. We make assumptions about future demand, market conditions, and
the release of new products that may supersede old ones. However, if actual market conditions are less favorable than anticipated, additional
inventory write-downs could be required.

Contingencies

We are involved in various lawsuits and claims arising in the ordinary course of business, including actions with respect to intellectual property,
employment, and contractual matters. In connection with these matters, we assess, on a regular basis, the probability and range of possible loss
based on the developments in these matters. A liability is recorded in the consolidated financial statements if it is believed to be probable that a loss
has been incurred and the amount of the loss can be reasonably estimated. Because litigation is inherently unpredictable and unfavorable
resolutions could occur, assessing contingencies is highly subjective and requires judgments about future events. We regularly review outstanding
legal matters to determine the adequacy of the liabilities accrued and related disclosures in consideration of many factors, which include, but are not
limited to, past history, scientific and other evidence, and the specifics and status of each matter. We may change our estimates if our assessment
of the various factors changes and the amount of ultimate loss may differ from our estimates, resulting in a material effect on our business, financial
condition, results of operations, and/or cash flows.

Intangible Assets and Other Long-Lived Assets — Impairment Assessments

We perform regular reviews to determine if the carrying values of our long-lived assets are impaired. A review of identifiable intangible assets and
other long-lived assets is performed when an event occurs indicating the potential for impairment. If indicators of impairment exist, we assess the
recoverability of the affected long-lived assets and compare their fair values to the respective carrying amounts.

In order to estimate the fair value of identifiable intangible assets and other long-lived assets, we estimate the present value of future cash flows
from those assets. The key assumptions that we use in our discounted cash flow model are the amount and timing of estimated future cash flows to
be generated by the asset over an extended period of time and a rate of return that considers the relative risk of achieving the cash flows, the time
value of money, and other factors that a willing market participant would consider. Significant judgment is required to estimate the amount and
timing of future cash flows and the relative risk of achieving those cash flows.

Assumptions and estimates about future values and remaining useful lives are complex and often subjective. They can be affected by a variety of
factors, including external factors such as industry and economic trends, and internal factors such as changes in our business strategy and our
internal forecasts. For example, if our future operating results do not meet current forecasts or if we experience a sustained decline in our market
capitalization that is determined to be indicative of a reduction in fair value of our reporting units, we may be required to record future impairment
charges for purchased intangible assets. Impairment charges could materially decrease our future net income and result in lower asset values on
our balance sheet.

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Share-Based Compensation

We measure and recognize compensation expense for all share-based payments based on estimated fair value. Share-based compensation
expense is recognized based on the fair value on a straight-line basis over the requisite service periods of the awards. The fair value of our
restricted stock units is based on the market price of our common stock on the date of grant. The determination of fair value of performance stock
units awards requires the use of certain estimates and assumptions that affect the amount of share-based compensation expense recognized in our
consolidated statements of income. At each reported period, we reassess the probability of the achievement of corporate performance goals to
estimate the amount of shares to be released. Any increase or decrease in share-based compensation expense resulting from an adjustment in the
estimated shares to be released is treated as a cumulative catch-up in the period of adjustment. If any of the assumptions or estimates used change
significantly, share-based compensation expense may differ materially from what we have recorded in the current period.

Income Taxes

Our provision for income taxes, deferred tax assets and liabilities, and reserves for unrecognized tax benefits reflect our best assessment of
estimated future taxes to be paid. Significant judgments and estimates based on interpretations of existing tax laws or regulations in the United
States and the numerous foreign jurisdictions where we are subject to income tax are required in determining our provision for income taxes.
Changes in tax laws, statutory tax rates, and estimates of our future taxable income could impact the deferred tax assets and liabilities provided for
in the consolidated financial statements and would require an adjustment to the provision for income taxes.

Deferred tax assets are regularly assessed to determine the likelihood they will be recovered from future taxable income. A valuation allowance is
established when we believe it is more likely than not the future realization of all or some of a deferred tax asset will not be achieved. In evaluating
our ability to recover deferred tax assets within the jurisdiction which they arise, we consider all available positive and negative evidence. Factors
reviewed include the cumulative pre-tax book income for the past three years, scheduled reversals of deferred tax liabilities, our history of earnings
and reliability of our forecasts, projections of pre-tax book income over the foreseeable future, and the impact of any feasible and prudent tax
planning strategies.

We recognize the impact of a tax position in our consolidated financial statements only if that position is more likely than not of being sustained upon
examination by taxing authorities, based on the technical merits of the position. Tax authorities regularly examine our returns in the jurisdictions in
which we do business and we regularly assess the tax risk of our return filing positions. Due to the complexity of some of the uncertainties, the
ultimate resolution may result in payments that are materially different from our current estimate of the tax liability. These differences, as well as any
interest and penalties, will be reflected in the provision for income taxes in the period in which they are determined.

QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT MARKET RISK

Interest Rate Sensitivity

Our investment portfolio is exposed to market risk from changes in interest rates. The fair market value of fixed-rate securities may be adversely
impacted by fluctuations in interest rates while income earned on floating rate securities may decline as a result of decreases in interest rates. Under
our current policies, we do not use interest rate derivative instruments to manage exposure to interest rate changes. We attempt to ensure the
safety and preservation of our invested principal funds by limiting default risk, market risk, and reinvestment risk. We mitigate default risk by
investing in investment-grade securities. We have historically maintained a relatively short average maturity for our investment portfolio, and we
believe a hypothetical 100 basis point adverse move in interest rates along the entire interest rate yield curve would not materially affect the fair
value of our interest-sensitive financial instruments.

Changes in interest rates may impact gains or losses from the conversion of our outstanding convertible senior notes. In June 2014, we issued $517
million aggregate principal amount of 0.5% convertible senior notes due 2021 (2021 Notes). In August 2018, we issued $750 million aggregate
principal amount of 0% convertible senior notes due 2023 (2023 Notes). At our election, the notes are convertible into cash, shares of our common
stock, or a

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combination of cash and shares of our common stock under certain circumstances, including trading price conditions related to our common stock. If
the trading price of our common stock reaches a price at 130% above the conversion price, the notes become convertible. Upon conversion, we are
required to record a gain or loss for the difference between the fair value of the debt to be extinguished and its corresponding net carrying value.
The fair value of the debt to be extinguished depends on our then-current incremental borrowing rate. If our incremental borrowing rate at the time of
conversion is higher or lower than the implied interest rate of the notes, we will record a gain or loss in our consolidated statement of income during
the period in which the notes are converted. The implicit interest rates for the 2021 and 2023 Notes were 3.5% and 3.7%, respectively. An
incremental borrowing rate that is a hypothetical 100 basis points lower than the implicit interest rate upon conversion of $100 million aggregate
principal amount of each of the 2021 and 2023 Notes would result in losses of approximately $2 million and $3 million, respectively.

Foreign Currency Exchange Risk

We conduct a portion of our business in currencies other than our U.S. dollar functional currency. These transactions give rise to monetary assets
and liabilities that are denominated in currencies other than the U.S. dollar. The value of these monetary assets and liabilities are subject to changes
in currency exchange rates from the time the transactions are originated until settlement in cash. Our foreign currency exposures are primarily
concentrated in the euro, Japanese yen, Australian dollar, Canadian dollar, Singapore dollar, and British pound. Both realized and unrealized gains
or losses on the value of these monetary assets and liabilities are included in the determination of net income.

We use forward exchange contracts to manage foreign currency risks related to monetary assets and liabilities denominated in currencies other than
the U.S. dollar. We only use derivative financial instruments to reduce foreign currency exchange rate risks; we do not hold any derivative financial
instruments for trading or speculative purposes. We primarily use forward exchange contracts to hedge foreign currency exposures, and they
generally have terms of one month or less. Realized and unrealized gains or losses on the value of financial contracts entered into to hedge the
exchange rate exposure of these monetary assets and liabilities are also included in the determination of net income, as they have not been
designated for hedge accounting. These contracts, which settle monthly, effectively fix the exchange rate at which these specific monetary assets
and liabilities will be settled, so that gains or losses on the forward contracts offset the gains or losses from changes in the value of the underlying
monetary assets and liabilities. As of December 29, 2019, the total notional amounts of outstanding forward contracts in place for foreign currency
purchases was $252 million.

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RECENT ACCOUNTING PRONOUNCEMENTS

For a summary of recent accounting pronouncements applicable to our consolidated financial statements see note “1. Organization and Significant
Accounting Policies” within the Consolidated Financial Statements section of this report, which is incorporated herein by reference.

OFF-BALANCE SHEET ARRANGEMENTS

We do not participate in any transactions that generate relationships with unconsolidated entities or financial partnerships, such as entities often
referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet
arrangements or other contractually narrow or limited purposes. During the fiscal year ended December 29, 2019, we were not involved in any “off-
balance sheet arrangements” within the meaning of the rules of the Securities and Exchange Commission.

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CONSOLIDATED FINANCIAL STATEMENTS

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting Firm

Consolidated Balance Sheets

Consolidated Statements of Income

Consolidated Statements of Comprehensive Income

Consolidated Statements of Stockholders’ Equity

Consolidated Statements of Cash Flows

Notes to the Consolidated Financial Statements

1. Organization and Significant Accounting Policies

2. Revenue

3. Investments and Fair Value Measurements

4. Intangible Assets, Goodwill, and Acquisitions

5. Debt and Other Commitments

6. Stockholders’ Equity

7. Supplemental Balance Sheet Details

8. Legal Proceedings

9. Income Taxes

10. Employee Benefit Plans

11. Segments and Geographic Data

12. Quarterly Financial Information (unaudited)

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43

45

46

47

48

49

50

50

59

60

63

65

69

71

73

74

77

77

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Stockholders of Illumina, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Illumina, Inc. (the Company) as of December 29, 2019 and December 30,
2018, the related consolidated statements of income, comprehensive income, stockholders’ equity and cash flows for each of the three years in the
period  ended  December  29,  2019,  and  the  related  notes  (collectively  referred  to  as  the  “consolidated  financial  statements”).  In  our  opinion,  the
consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 29, 2019 and December
30, 2018, and the results of its operations and its cash flows for each of the three years in the period ended December 29, 2019, in conformity with
U.S. generally accepted accounting principles.

We  also  have  audited,  in  accordance  with  the  standards  of  the  Public  Company  Accounting  Oversight  Board  (United  States)  (PCAOB),  the
Company’s  internal  control  over  financial  reporting  as  of  December  29,  2019,  based  on  criteria  established  in  Internal  Control  -  Integrated
Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our report dated February
10, 2020 expressed an unqualified opinion thereon.

Adoption of ASU No. 2014-09

As discussed in Note 1 to the consolidated financial statements, the Company changed its method for recognizing revenue as a result of the
adoption of Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers (Topic 606), and the amendments in ASUs
2015-14, 2016-08, 2016-10 and 2016-12, effective January 1, 2018.

Adoption of ASU No. 2016-02

As discussed in Note 1 to the consolidated financial statements, the Company changed its method of accounting for leases in 2019 due to the

adoption of Accounting Standards Update (ASU) No. 2016-02, Leases (Topic 842), and the related amendments.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s
financial  statements  based  on  our  audits.  We  are  a  public  accounting  firm  registered  with  the  PCAOB  and  are  required  to  be  independent  with
respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange
Commission and the PCAOB.

We  conducted  our  audits  in  accordance  with  the  standards  of  the  PCAOB.  Those  standards  require  that  we  plan  and  perform  the  audit  to
obtain reasonable assurance about whether the  financial statements  are free  of  material misstatement,  whether due to  error  or  fraud.  Our  audits
included  performing  procedures  to  assess  the  risks  of  material  misstatement  of  the  financial  statements,  whether  due  to  error  or  fraud,  and
performing  procedures  that  respond  to  those  risks.  Such  procedures  included  examining,  on  a  test  basis,  evidence  regarding  the  amounts  and
disclosures  in  the  financial  statements.  Our  audits  also  included  evaluating  the  accounting  principles  used  and  significant  estimates  made  by
management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for
our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was
communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the
financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of the critical audit matter
does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit
matter below, providing a separate opinion on the critical audit matter or on the account or disclosure to which it relates.

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Valuation of Inventory

Description of the
Matter

The Company's inventories totaled $359 million as of December 29, 2019. As explained in Note 1 to the consolidated financial
statements, the Company assesses the valuation of inventory each reporting period. Obsolete inventory or inventory in excess
of management's estimated usage requirement is written down to its estimated net realizable value if those balances are
determined to be less than cost.

Auditing management's estimates for excess and obsolete inventory involved subjective auditor judgment because the
estimates rely on a number of factors that are affected by market and economic conditions outside the Company's control. In
particular, the excess and obsolete inventory calculations are sensitive to significant assumptions, including product life cycles,
quality issues, historical experience, and usage forecasts.

How We Addressed
the Matter in Our
Audit

We obtained an understanding, evaluated and tested the design and operating effectiveness of internal controls over the
Company's excess and obsolete inventory valuation process, including management's assessment of the assumptions stated
above and data underlying the excess and obsolete inventory valuation.

Our audit procedures included, among others, evaluating the significant assumptions stated above and the accuracy and
completeness of the underlying data management used to value excess and obsolete inventory. We compared the balance of
on-hand inventories to usage forecasts and historical usage and evaluated adjustments to forecasted usage for specific
product considerations, such as new product introductions, technological changes or alternative uses. We also assessed the
historical accuracy of management's estimates and performed sensitivity analyses over the significant assumptions to evaluate
the changes in the excess and obsolete inventory estimates that would result from changes in the underlying assumptions.

/s/ ERNST & YOUNG LLP

We have served as the Company’s auditor since 1998.

San Diego, California
February 10, 2020

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ILLUMINA, INC.

CONSOLIDATED BALANCE SHEETS
(In millions, except par value)

ASSETS

LIABILITIES AND STOCKHOLDERS’ EQUITY

$

$

$

Table of Contents

Current assets:

Cash and cash equivalents

Short-term investments

Accounts receivable, net

Inventory

Prepaid expenses and other current assets

Total current assets

Property and equipment, net

Operating lease right-of-use assets

Goodwill

Intangible assets, net

Deferred tax assets, net

Other assets

Total assets

Current liabilities:

Accounts payable

Accrued liabilities

Long-term debt, current portion

Total current liabilities

Operating lease liabilities

Long-term debt

Other long-term liabilities

Commitments and contingencies

Redeemable noncontrolling interests

Stockholders’ equity:

Preferred stock, $0.01 par value, 10 million shares authorized; no shares issued and outstanding at

December 29, 2019 and December 30, 2018

Common stock, $0.01 par value, 320 million shares authorized; 194 million shares issued and 147
million outstanding at December 29, 2019; 192 million shares issued and 147 million outstanding
at December 30, 2018

Additional paid-in capital

Accumulated other comprehensive income (loss)

Retained earnings

Treasury stock, 47 million shares and 45 million shares at cost at December 29, 2019 and

December 30, 2018, respectively

Total Illumina stockholders’ equity

Noncontrolling interests

Total stockholders’ equity

December 29, 
2019

December 30, 
2018

2,042   $

1,372  

573  

359  

105  

4,451  

889  

555  

824  

145  

64  

388  

1,144

2,368

514

386

78

4,490

1,075

—

831

185

70

308

7,316   $

6,959

149   $

516  

—  

665  

695  

1,141  

202  

—  

—  

2  

3,560  

5  

4,067  

(3,021)

4,613  

—  

4,613  

184

513

1,107

1,804

—

890

359

61

—

2

3,290

(1)

3,083

(2,616)

3,758

87

3,845

6,959

Total liabilities and stockholders’ equity

$

7,316   $

See accompanying notes to consolidated financial statements.

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ILLUMINA, INC.

CONSOLIDATED STATEMENTS OF INCOME
(In millions, except per share amounts)

Revenue:

Product revenue

Service and other revenue

Total revenue

Cost of revenue:

Cost of product revenue

Cost of service and other revenue

Amortization of acquired intangible assets

Total cost of revenue

Gross profit

Operating expense:

Research and development

Selling, general and administrative

Total operating expense

Income from operations

Other income (expense):

Interest income

Interest expense

Other income, net

Total other income, net

Income before income taxes

Provision for income taxes

Consolidated net income

Add: Net loss attributable to noncontrolling interests

Net income attributable to Illumina stockholders

Net income attributable to Illumina stockholders for earnings per share

Earnings per share attributable to Illumina stockholders:

Basic

Diluted

Shares used in computing earnings per share:

Basic

Diluted

$

$

$

$

$

December 29, 
2019

Years Ended

December 30, 
2018

December 31, 
2017

2,929   $

614  

3,543  

2,749   $

584  

3,333  

802  

240  

34  

1,076  

2,467  

647  

835  

1,482  

985  

75  

(52)

110  

133  

1,118  

128  

990  

12  

1,002   $

1,002   $

6.81   $

6.74   $

147  

149  

738  

260  

35  

1,033  

2,300  

623  

794  

1,417  

883  

44  

(57)

24  

11  

894  

112  

782  

44  

826   $

826   $

5.63   $

5.56   $

147  

149  

2,289

463

2,752

679

208

39

926

1,826

546

674

1,220

606

19

(37)

455

437

1,043

365

678

48

726

725

4.96

4.92

146

148

See accompanying notes to consolidated financial statements.

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ILLUMINA, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(In millions)

Consolidated net income

  $

Unrealized gain on available-for-sale debt securities, net of deferred tax

Total consolidated comprehensive income

Add: Comprehensive loss attributable to noncontrolling interests

990   $

6  

996  

12  

Comprehensive income attributable to Illumina stockholders

  $

1,008   $

782   $

—  

782  

44  

826   $

678

—

678

48

726

December 29, 
2019

Years Ended

December 30, 
2018

December 31, 
2017

See accompanying notes to consolidated financial statements.

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ILLUMINA, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
(In millions)

Illumina Stockholders

Common Stock
Shares   Amount

  Additional   Accumulated Other    
  Paid-In  
  Capital

Comprehensive

(Loss) Income

  Retained  
Treasury Stock
  Earnings   Shares   Amount
  $ 1,485  
726  

(43)
—  

—  

  $ (2,022)   $

Total

  Noncontrolling   Stockholders’

Interests

Equity

Balance as of January 1, 2017

Net income (loss)
Issuance of common stock, net of
repurchases

Share-based compensation
Adjustment to the carrying value of
redeemable noncontrolling
interests
Vesting of redeemable equity
awards
Cumulative-effect adjustment from
adoption of ASU 2016-09

Deconsolidation of GRAIL

Balance as of December 31, 2017

Net income (loss)
Issuance of common stock, net of
repurchases

Share-based compensation
Adjustment to the carrying value of
redeemable noncontrolling
interests
Vesting of redeemable equity
awards

Issuance of subsidiary shares
Contributions from noncontrolling
interest owners
Issuance of convertible senior
notes, net of tax impact
Cumulative-effect adjustment from
adoption of ASU 2016-01

Balance as of December 30, 2018

Net income (loss)
Unrealized gain on available-for-
sale debt securities, net of
deferred tax
Issuance of common stock, net
of repurchases

Share-based compensation
Adjustment to the carrying value
of redeemable noncontrolling
interests

Deconsolidation of Helix
Vesting of redeemable equity
awards
Cumulative-effect adjustment
from adoption of ASU 2016-02,
net of deferred tax

Balance as of December 29, 2019

189   $
—  

2   $
—  

2,733   $
—  

2  
—  

—  

—  

—  
—  
191  
—  

1  
—  

—  

—  
—  

—  

—  

—  
192  
—  

—  

2  
—  

—  
—  

—  

—  
—  

—  

—  

—  
—  
2  
—  

—  
—  

—  

—  
—  

—  

—  

—  
2  
—  

—  

—  
—  

—  
—  

—  

71  
164  

(136)

(13)

3  
11  
2,833  
—  

46  
193  

127  

(2)
—  

—  

93  

—  
3,290  
—  

—  

59  
194  

16  
2  

(1)

—  
194   $

—  
2   $

—  
3,560   $

(1)

—

—

—

—

—

—

—

(1)

—

—

—

—

—

—

—

—

—

(1)

—

6

—

—

—

—

—

—

5

—  
—  

—  

—  

45  
—  
2,256  
826  

—  
—  

—  

—  
—  

—  

—  

(1)
—  

—  

—  

—  
—  

(44)
—  

(1)
—  

—  

—  
—  

—  

—  

(319)  
—  

—  

—  

—  
—  
(2,341)  
—  

(275)  
—  

—  

—  
—  

—  

—  

1  
3,083  
1,002  

—  

(45)
—  

—  
(2,616)  
—  

—  

—  
—  

—  
—  

—  

—  

(2)
—  

—  
—  

—  

—  

(405)  
—  

—  
—  

—  

  $

73

(7)

—  
—  

—  

—  

—  

(66)
—  

(10)

—  
—  

—  

—  

5

92

—  

—  

87

(3)

—  

—  
—  

—  

(84)

—  

2,270

719

(248)

164

(136)

(13)

48

(55)

2,749

816

(229)

193

127

(2)

5

92

93

1

3,845

999

6

(346)

194

16

(82)

(1)

(18)  
  $ 4,067  

—  

—  

(47)

  $ (3,021)   $

—  
—   $

(18)

4,613

See accompanying notes to consolidated financial statements.

48

 
   
   
 
 
   
   
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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ILLUMINA, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In millions)

December 29, 
2019

Years Ended

December 30, 
2018

December 31, 
2017

Cash flows from operating activities:

Consolidated net income

Adjustments to reconcile net income to net cash provided by operating activities:

$

990

  $

782

  $

Depreciation expense

Amortization of intangible assets

Share-based compensation expense

Accretion of debt discount

Deferred income taxes

Payment of accreted debt discount

Unrealized gains on marketable equity securities

Gains on deconsolidation

Loss on Continuation Advances

Impairment of intangible assets

Other

Changes in operating assets and liabilities:

Accounts receivable

Inventory

Prepaid expenses and other current assets

Operating lease right-of-use assets and liabilities, net

Other assets

Accounts payable

Accrued liabilities

Other long-term liabilities

Net cash provided by operating activities

Cash flows from investing activities:

Maturities of available-for-sale securities

Purchases of available-for-sale securities

Sales of available-for-sale securities

Purchases of property and equipment

Net purchases of strategic investments

Cash paid for Continuation Advances

Deconsolidation of Helix and GRAIL cash

Proceeds from the deconsolidation of GRAIL

Net cash paid for acquisitions

Cash paid for intangible assets

Net cash provided by (used in) investing activities

Cash flows from financing activities:

Payments on financing obligations

Net proceeds from issuance of debt

Common stock repurchases

Proceeds from issuance of common stock

Taxes paid related to net share settlement of equity awards

Contributions from noncontrolling interest owners

Payments on acquisition-related contingent consideration liability

Net cash (used in) provided by financing activities

Effect of exchange rate changes on cash and cash equivalents

Net increase (decrease) in cash and cash equivalents

Cash and cash equivalents at beginning of year

Cash and cash equivalents at end of year

151

37

194

46

11

(84)

(53)

(54)

8
—  

(1)

(58)

25

(14)

(5)

(30)

(35)

(44)

(33)

1,051

1,387

(1,010)

629

(209)

(20)

(18)

(29)

15
—  
—  

745

(550)

—  

(324)

59

(82)
—  
—  

(897)

(1)

898

140

39

193

41

(18)
—  

(21)
—  
—  
—  

4

(105)

(53)

5
—  

(9)

45

103

(4)

1,142

860

(2,859)

597

(296)

(15)
—  
—  
—  

(100)

—  

(1,813)

(4)

735

(201)

46

(74)

92
—  

594

(4)

(81)

$

1,144

2,042

  $

1,225

1,144

  $

678

110

46

164

30

81

—

—

(453)

—

23

1

(26)

(33)

8

—

(5)

10

81

160

875

321

(742)

322

(310)

(29)

—

(52)

278

—

(2)

(214)

(9)

5

(251)

71

(68)

79

(3)

(176)

5

490

735

1,225

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Supplemental cash flow information:

Cash paid for income taxes

Cash paid for operating lease liabilities

$

$

164

84

  $
  $

  $
99
—   $

149

—

See accompanying notes to consolidated financial statements.

49

 
 
 
 
 
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ILLUMINA, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Unless the context requires otherwise, references in this report to “Illumina,” “we,” “us,” the “Company,” and “our” refer to Illumina, Inc. and its
consolidated subsidiaries.

1. ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES

Business Overview

We are a provider of sequencing- and array-based solutions, serving customers in the research, clinical and applied markets.  Our products are
used for applications in the life sciences, oncology, reproductive health, agriculture and other emerging segments. Our customers include leading
genomic research centers, academic institutions, government laboratories, and hospitals, as well as pharmaceutical, biotechnology, commercial
molecular diagnostic laboratories, and consumer genomics companies.

Basis of Presentation

The consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles and include our
accounts, our wholly-owned subsidiaries, majority-owned or controlled companies, and variable interest entities for which we are the primary
beneficiary. All intercompany transactions and balances have been eliminated in consolidation. Certain prior period amounts have been reclassified
to conform to the current period presentation.

Variable Interest Entities (VIEs)

We evaluate our ownership, contractual and other interests in entities that are not wholly-owned to determine if these entities are VIEs, and, if so,
whether we are the primary beneficiary of the VIE. In determining whether we are the primary beneficiary of a VIE and therefore required to
consolidate the VIE, we apply a qualitative approach that determines whether we have both (1) the power to direct the activities of the VIE that most
significantly impact the VIE’s economic performance and (2) the obligation to absorb losses of, or the rights to receive benefits from, the VIE that
could potentially be significant to that VIE. We continuously perform this assessment, as changes to existing relationships or future transactions may
result in the consolidation or deconsolidation of a VIE. See note “3. Investments and Fair Value Measurements” for further details.

Use of Estimates

The preparation of the consolidated financial statements requires that management make estimates and assumptions that affect the reported
amounts of assets, liabilities, revenues, expenses, and related disclosures of contingent assets and liabilities. Actual results could differ from those
estimates.

Fiscal Year

Our fiscal year is the 52 or 53 weeks ending the Sunday closest to December 31, with quarters of 13 or 14 weeks ending the Sunday closest to
March 31, June 30, September 30, and December 31. References to 2019, 2018, and 2017 refer to fiscal years ended December 29, 2019,
December 30, 2018, and December 31, 2017, respectively, all of which were 52 weeks.

Functional Currency

The U.S. dollar is the functional currency of our international operations. We re-measure foreign subsidiaries’ monetary assets and liabilities to the
U.S. dollar and record the net gains or losses resulting from re-measurement in other income, net in the consolidated statements of income.

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Concentrations of Risk

Customers

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

We operate in markets that are highly competitive and rapidly changing. Significant technological changes, shifting customer needs, the
emergence of competitive products or services with new capabilities, and other factors could negatively impact our operating results. A portion of
our customers consist of university and research institutions that management believes are, to some degree, directly or indirectly supported by
the United States Government. A significant change in current research funding, particularly with respect to the U.S. National Institutes of Health,
could have an adverse impact on future revenues and results of operations.

International sales entail a variety of risks, including currency exchange fluctuations, longer payment cycles, and greater difficulty in accounts
receivable collection. We are also subject to general geopolitical risks, such as political, social and economic instability, and changes in
diplomatic and trade relations. The risks of international sales are mitigated in part by the extent to which sales are geographically distributed.
Shipments to customers outside the United States comprised 48%, 47%, and 45% of total revenue in 2019, 2018, and 2017, respectively.
Customers outside the United States represented 53% and 44% of our gross trade accounts receivable balance as of December 29, 2019 and
December 30, 2018, respectively.

We had no customers that provided more than 10% of total revenue in 2019, 2018, and 2017. We perform regular reviews of customer activity
and associated credit risks and do not require collateral or enter into netting arrangements. Historically, we have not experienced significant
credit losses from accounts receivable.

Financial Instruments

We are also subject to risks related to our financial instruments, including cash and cash equivalents, investments, and accounts receivable.
Most of our cash and cash equivalents as of December 29, 2019 were deposited with U.S. financial institutions, either domestically or with their
foreign branches. Our investment policy restricts the amount of credit exposure to any one issuer to 5% of the portfolio or 5% of the total issue
size outstanding at the time of purchase and to any one industry sector, as defined by Clearwater Analytics (Industry Sector Report), to 30% of
the portfolio at the time of purchase. There is no limit to the percentage of the portfolio that may be maintained in debt securities,
U.S. government-sponsored entities, U.S. Treasury securities, and money market funds. Historically, we have not experienced significant credit
losses from financial instruments.

Suppliers

We require customized products and components that currently are available from a limited number of sources. We source certain key products
and components included in our products from single vendors.

Segments

We report segment information based on the management approach. This approach designates the internal reporting used by the Chief Operating
Decision Maker (CODM) for making decisions and assessing performance as the source of our reportable segments. The CODM allocates
resources and assesses the performance of each operating segment using information about its revenue and income (loss) from operations.
Management evaluates the performance of our reportable segments based upon income (loss) from operations. We do not allocate expenses
between segments.

Accounting Pronouncements Adopted in 2019

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842), which requires lessees to recognize most leases on the balance sheet as
lease liabilities with corresponding right-of-use assets and to disclose key information about leasing arrangements. We adopted Topic 842 on its
effective date in the first quarter of 2019 using a modified retrospective approach by recognizing a cumulative-effect adjustment to retained earnings
as of December 31, 2018.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

We elected the available package of practical expedients upon adoption, which allowed us to carry forward our historical assessment of whether
existing agreements contained a lease and the classification of our existing operating leases. We continue to report our financial position as of
December 30, 2018 under the former lease accounting standard (Topic 840) in our consolidated balance sheet.

The following table summarizes the impact of Topic 842 on our consolidated balance sheet upon adoption on December 31, 2018:

In millions
ASSETS

Prepaid expenses and other current assets

Property and equipment, net

Operating lease right-of-use assets

Deferred tax assets, net

Total assets

LIABILITIES AND STOCKHOLDERS’ EQUITY

Accrued liabilities

Operating lease liabilities

Long-term debt

Other long-term liabilities

Retained earnings

Total liabilities and stockholders’ equity

Pre-adoption

December 31, 2018
  Adoption Impact

Post-adoption

$

$

$

$

78   $

1,075  

—  

70  

(8)   $

(241)  

579  

6  

70

834

579

76

1,223   $

336   $

1,559

513   $

36   $

—  

1,107  

359  

3,083  

722  

(269)  

(135)  

(18)  

5,062   $

336   $

549

722

838

224

3,065

5,398

The adoption impact summarized above was primarily due to the recognition of operating lease liabilities with corresponding right-of-use assets
based on the present value of our remaining minimum lease payments, and the derecognition of existing fixed assets and financing obligations
related to build-to-suit leasing arrangements that, under Topic 840, did not qualify for sale-leaseback accounting. The difference between these
amounts, net of deferred tax, was recorded as a cumulative-effect adjustment to retained earnings.

Accounting Pronouncements Adopted in 2018

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). The new standard is based on the principle that
revenue should be recognized in an amount that reflects the consideration to which we expect to be entitled in exchange for the transfer of promised
goods or services. We adopted Topic 606 using the modified retrospective transition method. The cumulative effect of applying the new revenue
standard to all incomplete contracts as of January 1, 2018 was not material and, therefore, did not result in an adjustment to retained earnings.
There was no material difference to the consolidated financial statements in 2018 due to the adoption of Topic 606.

In January 2016, the FASB issued ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10), which requires equity investments (other than
those accounted for under the equity method or those that result in consolidation) to be measured at fair value, with changes in fair value recognized
in net income. This standard was effective for us beginning in the first quarter of 2018. Based on our elections, our equity investments that do not
have readily determinable fair values and do not qualify for the net asset value practical expedient for estimating fair value are measured at cost,
less any impairments, plus or minus changes resulting from observable price changes in orderly transactions for identifiable or similar investments of
the same issuer. This measurement alternative was applied prospectively to such equity securities and did not result in an adjustment to retained
earnings.

Accounting Pronouncements Adopted in 2017

In March 2016, the FASB issued ASU 2016-09, Compensation - Stock Compensation (Topic 718), which aims to simplify the accounting for share-
based payment transactions, including accounting for income taxes, classification

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

on the statement of cash flows, accounting for forfeitures, and classification of awards as either liabilities or equity. This ASU was effective for us
beginning in the first quarter of 2017. This new standard increased the volatility of net income by requiring excess tax benefits from share-based
payment arrangements to be classified as discrete items within the provision for income taxes, rather than recognizing excess tax benefits in
additional paid-in capital. Upon adoption in the first quarter of 2017, we recorded $45 million, net, to retained earnings, primarily related to unrealized
tax benefits associated with share-based compensation. As a result of the adoption of this new standard, we made an accounting policy election to
recognize forfeitures as they occur and no longer estimate expected forfeitures. In addition, ASU 2016-09 requires that excess income tax benefits
from share-based compensation arrangements be classified as cash flow from operations, rather than cash flow from financing activities. We
elected to apply the cash flow classification guidance retrospectively.

Accounting Pronouncements Pending Adoption

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses: Measurement of Credit Losses on Financial Instruments, which
amends the impairment model by requiring entities to use a forward-looking approach based on expected losses to estimate credit losses on certain
types of financial instruments, including trade receivables and available-for-sale debt securities. We will adopt the standard on its effective date in
the first quarter of 2020, using a modified retrospective approach.  We currently do not expect the adoption to have a material impact on our
consolidated financial statements.

Revenue Recognition

Our revenue is generated primarily from the sale of products and services. Product revenue primarily consists of sales of instruments and
consumables used in genetic analysis. Service and other revenue primarily consists of revenue generated from genotyping and sequencing
services, instrument service contracts, and development and licensing agreements.

We recognize revenue when control of our products and services is transferred to our customers in an amount that reflects the consideration we
expect to receive from our customers in exchange for those products and services. This process involves identifying the contract with a customer,
determining the performance obligations in the contract, determining the contract price, allocating the contract price to the distinct performance
obligations in the contract, and recognizing revenue when the performance obligations have been satisfied. Revenue recognition for contracts with
multiple deliverables is based on the separate satisfaction of each distinct performance obligation within the contract. A performance obligation is
considered distinct from other obligations in a contract when it provides a benefit to the customer either on its own or together with other resources
that are readily available to the customer and is separately identified in the contract. We consider a performance obligation satisfied once we have
transferred control of a good or service to the customer, meaning the customer has the ability to use and obtain the benefit of the good or service.
The contract price is allocated to each performance obligation in proportion to its standalone selling price. We determine our best estimate of
standalone selling price using average selling prices over a rolling 12-month period coupled with an assessment of current market conditions. If the
product or service has no history of sales or if the sales volume is not sufficient, we rely upon prices set by management, adjusted for applicable
discounts.

Revenue from product sales is recognized generally upon delivery to the end customer, which is when control of the product is deemed to be
transferred. Invoicing typically occurs upon shipment and payment is typically due within 60 days from invoice. In instances where right of payment
or transfer of title is contingent upon the customer’s acceptance of the product, revenue is deferred until all acceptance criteria have been met.
Revenue from genotyping and sequencing services is recognized when earned, which is generally at the time the genotyping or sequencing analysis
data is made available to the customer. Revenue from instrument service contracts is recognized as the services are rendered, typically evenly over
the contract term. Revenue from development and licensing agreements generally includes upfront and periodic licensing fees, contract research
and development services, or payments for development and regulatory milestones. Revenue for these agreements is recognized when each
distinct performance obligation is satisfied.

Revenue is recorded net of discounts, distributor commissions, and sales taxes collected on behalf of governmental authorities. Employee sales
commissions are recorded as selling, general and administrative expenses when incurred as the amortization period for such costs, if capitalized,
would have been one year or less.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

In certain markets, products and services are sold to customers through distributors. In most sales through distributors, the product is delivered
directly to customers by us. The terms of sales transactions through distributors are consistent with the terms of direct sales to customers.

Earnings per Share

Basic earnings per share attributable to Illumina stockholders is computed based on the weighted average number of common shares outstanding
during the period. Diluted earnings per share attributable to Illumina stockholders is computed based on the sum of the weighted average number of
common shares and potentially dilutive common shares outstanding during the period. Up to April 25, 2019 and February 28, 2017, the date of the
Helix and GRAIL deconsolidations, respectively, per-share losses of Helix and GRAIL were included in the consolidated basic and diluted earnings
per share computations based on our share of the entities’ securities.

Potentially dilutive common shares consist of shares issuable under convertible senior notes and equity awards. Convertible senior notes have a
dilutive impact when the average market price of our common stock exceeds the applicable conversion price of the respective notes. Potentially
dilutive common shares from equity awards are determined using the average share price for each period under the treasury stock method. In
addition, proceeds from exercise of equity awards and the average amount of unrecognized compensation expense for equity awards are assumed
to be used to repurchase shares.

The following table presents the calculation of weighted average shares used to calculate basic and diluted earnings per share:

In millions
Weighted average shares outstanding

Effect of potentially dilutive common shares from:

Equity awards

Convertible senior notes

Weighted average shares used in calculating diluted earnings per share

Fair Value Measurements

December 29, 
2019

Years Ended

December 30, 
2018

December 31, 
2017

147  

1  

1  

149  

147  

1  

1  

149  

146

2

—

148

The fair value of assets and liabilities are based on the exchange price that would be received for an asset or paid to transfer a liability (an exit price)
in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement
date. Valuation techniques used to measure fair value maximize the use of observable inputs and minimize the use of unobservable inputs. We use
a fair value hierarchy with three levels of inputs, of which the first two are considered observable and the last unobservable, to measure fair value:

•
•

•

Level 1 — Quoted prices in active markets for identical assets or liabilities.
Level 2 — Inputs, other than Level 1, that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities;
quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for
substantially the full term of the assets or liabilities.
Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or
liabilities.

The carrying amounts of financial instruments such as cash and cash equivalents, accounts receivable, prepaid expenses and other current assets,
accounts payable, and accrued liabilities approximate the related fair values due to the short-term maturities of these instruments.

Cash Equivalents and Debt Securities

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Cash equivalents are comprised of short-term, highly-liquid investments with maturities of 90 days or less at the date of purchase.

We hold debt securities in U.S. government-sponsored entities, corporate debt securities, and U.S. Treasury securities. We have the ability, if
necessary, to liquidate any of our short-term debt securities to meet our liquidity needs in the next 12 months. Accordingly, those investments with
contractual maturities greater than one year from the date of purchase are classified as short-term investments on the accompanying consolidated
balance sheets. We classify short-term debt investments as available-for-sale at the time of purchase and evaluate such classification as of each
balance sheet date. All short-term debt investments are recorded at estimated fair value. Unrealized gains and losses for available-for-sale debt
securities are included in accumulated other comprehensive income (loss), a component of stockholders’ equity. We evaluate our debt investments
to assess whether those with unrealized loss positions are other than temporarily impaired. Impairments are considered to be other than temporary
if they are related to deterioration in credit risk or if it is likely that the securities will be sold before the recovery of their cost basis. Realized gains,
losses, and declines in value judged to be other than temporary are determined based on the specific identification method and are recorded in
interest income in the consolidated statements of income.

Equity Securities and Investments

We have strategic investments in privately-held companies (non-marketable equity securities) and companies that have completed initial public
offerings (marketable equity securities). Our marketable equity securities are measured at fair value. Our non-marketable equity securities without
readily determinable market values are initially measured at cost and adjusted to fair value for observable transactions for identical or similar
investments of the same issuer or impairment. Equity investments are classified as current or noncurrent based on the nature of the securities and
their availability for use in current operations. Unrealized gains and losses for equity investments are recorded in other income, net in the
consolidated statements of income.

Our equity investments are assessed for impairment quarterly. Impairment losses, equal to the difference between the carrying value and the fair
value of the investment, are recorded in other income, net.

We use the equity method to account for investments through which we have the ability to exercise significant influence, but not control, over the
investee. Such investments are recorded in other assets, and our share of net income or loss is recognized on a one quarter lag in other income,
net.

Revenue recognized from transactions with our strategic investees was $71 million, $143 million, and $127 million in 2019, 2018, and 2017,
respectively.

Accounts Receivable

Trade accounts receivable are recorded at the net invoice value and are not interest-bearing. Receivables are considered past due based on the
contractual payment terms. We reserve specific receivables if collectibility is no longer probable. We also reserve a percentage of our trade
receivable balance based on collection history and current economic trends that might impact the level of future credit losses. These reserves are
re-evaluated on a regular basis and adjusted as needed. Once a receivable is deemed to be uncollectible, such balance is charged against the
reserve.

Inventory

Inventory is stated at the lower of cost or net realizable value, on a first-in, first-out basis. Inventory includes raw materials and finished goods that
may be used in the research and development process, and such items are expensed as consumed or capitalized as property and equipment and
depreciated. Inventory write-downs for slow-moving, excess, and obsolete inventories are estimated based on product life cycles, quality issues,
historical experience, and usage forecasts.

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Property and Equipment

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Property and equipment are stated at cost, subject to review for impairment, and depreciated over the estimated useful lives of the assets, using the
straight-line method. Depreciation of leasehold improvements is recorded over the shorter of the lease term or the estimated useful life of the related
assets. Maintenance and repairs are expensed as incurred. When assets are sold, or otherwise disposed of, the cost and related accumulated
depreciation are removed from the accounts and any gain or loss is included in operating expense.

Costs incurred to develop internal-use software during the application development stage are recorded as computer software costs, at cost. Costs
incurred in the development of such internal-use software, including external direct costs of materials and services and applicable compensation
costs of employees devoted to specific software application development, are capitalized. Cost incurred outside of the application development
stage are expensed as incurred.

The estimated useful lives of the major classes of property and equipment are generally as follows:

Buildings and leasehold improvements

Machinery and equipment

Computer hardware and software

Furniture and fixtures

Leases

Estimated Useful Lives
4 to 20 years

3 to 5 years

3 to 9 years

7 years

We lease approximately 2.5 million square feet of office, lab, manufacturing, and distribution facilities under various non-cancellable operating lease
agreements (real estate leases). Our real estate leases have remaining lease terms of approximately 1 to 19 years, which represent the non-
cancellable periods of the leases and include extension options that we determined are reasonably certain to be exercised. We exclude extension
options that are not reasonably certain to be exercised from our lease terms, ranging from approximately 6 months to 20 years. Our lease payments
consist primarily of fixed rental payments for the right to use the underlying leased assets over the lease terms as well as payments for common-
area-maintenance and administrative services. We often receive customary incentives from our landlords, such as reimbursements for tenant
improvements and rent abatement periods, which effectively reduce the total lease payments owed for these leases. Leases are classified as
operating or financing at commencement. We do not have any material financing leases.

Operating lease right-of-use assets and liabilities on our consolidated balance sheets represent the present value of our remaining lease payments
over the remaining lease terms. We do not allocate lease payments to non-lease components; therefore, fixed payments for common-area-
maintenance and administrative services are included in our operating lease right-of-use assets and liabilities. We use our incremental borrowing
rate to calculate the present value of our lease payments, as the implicit rates in our leases are not readily determinable. Operating lease costs
consist primarily of the fixed lease payments included in our operating lease liabilities and are recorded on a straight-line basis over the lease terms.
We sublease certain real estate to third parties and this sublease income is also recorded on a straight-line basis.

Goodwill, Intangible Assets and Other Long-Lived Assets

Assets acquired and liabilities assumed are measured at fair value as of the acquisition date. Goodwill, which has an indefinite useful life, represents
the excess of cost over fair value of the net assets acquired.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Goodwill is reviewed for impairment at least annually during the second quarter, or more frequently if an event occurs indicating the potential for
impairment. During the goodwill impairment review, we assess qualitative factors to determine whether it is more likely than not that the fair values
of our reporting units are less than the carrying amounts, including goodwill. The qualitative factors include, but are not limited to, macroeconomic
conditions, industry and market considerations, and the overall financial performance. If, after assessing the totality of these qualitative factors, we
determine that it is not more likely than not that the fair values of our reporting units are less than the carrying amounts, then no additional
assessment is deemed necessary. Otherwise, we proceed to perform the two-step test for goodwill impairment. The first step involves comparing
the estimated fair values of the reporting units with the carrying values, including goodwill. If the carrying amounts of the reporting units exceed the
fair values, the second step of the goodwill impairment test is performed to determine the amount of loss, which involves comparing the implied fair
values of the goodwill to the carrying values of the goodwill. We may also elect to bypass the qualitative assessment in a period and elect to
proceed to perform the first step of the goodwill impairment test.

Our identifiable intangible assets are typically comprised of acquired core technologies, licensed technologies, customer relationships, license
agreements, and trade names. The cost of identifiable intangible assets with finite lives is generally amortized on a straight-line basis over the
assets’ respective estimated useful lives.

We perform regular reviews to determine if any event has occurred that may indicate that intangible assets with finite useful lives and other long-
lived assets are potentially impaired. If indicators of impairment exist, an impairment test is performed to assess the recoverability of the affected
assets by determining whether the carrying amount of such assets exceeds the undiscounted expected future cash flows. If the affected assets are
not recoverable, we estimate the fair value of the assets and record an impairment loss if the carrying value of the assets exceeds the fair value.
Factors that may indicate potential impairment include a significant decline in our stock price and market capitalization compared to the net book
value, significant changes in the ability of a particular asset to generate positive cash flows for our strategic business objectives, and the pattern of
utilization of a particular asset.

Derivatives

We are exposed to foreign exchange rate risks in the normal course of business. We enter into foreign exchange contracts to manage foreign
currency risks related to monetary assets and liabilities that are denominated in currencies other than the U.S. dollar. These foreign exchange
contracts are carried at fair value in other current assets or accrued liabilities and are not designated as hedging instruments. Changes in the value
of the derivatives are recognized in other income, net, along with the re-measurement gain or loss on the foreign currency denominated assets or
liabilities.

As of December 29, 2019, we had foreign exchange forward contracts in place to hedge exposures in the euro, Japanese yen, Australian dollar,
Canadian dollar, Singapore dollar, and British pound. As of December 29, 2019 and December 30, 2018, the total notional amounts of outstanding
forward contracts in place for foreign currency purchases was $252 million and $122 million, respectively.

Warranties

We generally provide a one-year warranty on instruments. Additionally, we provide a warranty on consumables through the expiration date, which
generally ranges from six to twelve months after the manufacture date. At the time revenue is recognized, an accrual is established for estimated
warranty expenses based on historical experience as well as anticipated product performance. We periodically review the warranty reserve for
adequacy and adjust the warranty accrual, if necessary, based on actual experience and estimated costs to be incurred. Warranty expense is
recorded as a component of cost of product revenue.

Share-Based Compensation

Share-based compensation expense is incurred related to restricted stock and Employee Stock Purchase Plan (ESPP).

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Restricted stock units (RSU) and performance stock units (PSU) are both considered restricted stock. The fair value of restricted stock is determined
by the closing market price of our common stock on the date of grant. Share-based compensation expense is recognized based on the fair value on
a straight-line basis over the requisite service periods of the awards. PSU represents a right to receive a certain number of shares of common stock
based on the achievement of corporate performance goals and continued employment during the vesting period. At each reporting period, we
reassess the probability of the achievement of such corporate performance goals and any increase or decrease in share-based compensation
expense resulting from an adjustment in the estimated shares to be released is treated as a cumulative catch-up in the period of adjustment.

The Black-Scholes-Merton option-pricing model is used to estimate the fair value of stock purchased under our ESPP. The model assumptions
include expected volatility, term, dividends, and the risk-free interest rate. The expected volatility is determined by equally weighing the historical and
implied volatility of our common stock. The historical volatility is generally commensurate with the estimated expected term, adjusted for the impact
of unusual fluctuations and other relevant factors. The implied volatility is calculated from the implied market volatility of exchange-traded call
options on our common stock. The expected term is based on historical forfeiture experience and the terms and conditions of the ESPP. The
expected dividend yield is determined to be 0% given that we have never declared or paid cash dividends on our common stock and do not
anticipate paying such cash dividends. The risk-free interest rate is based upon U.S. Treasury securities with remaining terms similar to the
expected term of the share-based awards.

Forfeitures are accounted for, as incurred, as a reversal of share-based compensation expense related to awards that will not vest.

Shipping and Handling Expenses

Shipping and handling expenses are included in cost of product revenue.

Research and Development

Research and development expenses include personnel expenses, contractor fees, facilities-related costs, material costs, and license fees.
Expenditures relating to research and development are expensed in the period incurred.

Advertising Costs

Advertising costs are expensed as incurred. Advertising costs were $28 million, $38 million, and $30 million in 2019, 2018, and 2017, respectively.

Income Taxes

The provision for income taxes is computed using the asset and liability method, under which deferred tax assets and liabilities are recognized for
the expected future tax consequences of temporary differences between the financial reporting and tax bases of assets and liabilities, and for the
expected future tax benefit to be derived from tax loss and credit carryforwards. Deferred tax assets and liabilities are determined using the enacted
tax rates in effect for the years in which those tax assets are expected to be realized. The effect of a change in tax rates on deferred tax assets and
liabilities is recognized in the provision for income taxes in the period that includes the enactment date.

Deferred tax assets are regularly assessed to determine the likelihood they will be recovered from future taxable income. A valuation allowance is
established when we believe it is more likely than not the future realization of all or some of a deferred tax asset will not be achieved. In evaluating
the ability to recover deferred tax assets within the jurisdiction which they arise, we consider all available positive and negative evidence. Factors
reviewed include the cumulative pre-tax book income for the past three years, scheduled reversals of deferred tax liabilities, history of earnings and
reliable forecasting, projections of pre-tax book income over the foreseeable future, and the impact of any feasible and prudent tax planning
strategies.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The impact of a tax position is recognized in the consolidated financial statements only if that position is more likely than not of being sustained upon
examination by taxing authorities, based on the technical merits of the position. Any interest and penalties related to uncertain tax positions will be
reflected in income tax expense.

2. REVENUE

Our revenue is generated primarily from the sale of products and services. Product revenue primarily consists of sales of instruments and
consumables used in genetic analysis. Service and other revenue primarily consists of revenue generated from genotyping and sequencing
services, instrument service contracts, and development and licensing agreements.

Revenue by Source

in millions
Consumables

Instruments

Total product
revenue

Service and other
revenue

Sequencing

2019
  Microarray

Total

Sequencing

2018
  Microarray

Total

Sequencing

2017
  Microarray

Total

$

2,075   $

317   $ 2,392   $

1,824   $

353   $ 2,177   $

1,484   $

287   $ 1,771

517  

20  

537  

535  

37  

572  

487  

31  

518

2,592  

337  

2,929  

2,359  

390  

2,749  

1,971  

318  

2,289

476  

138  

614  

416  

168  

584  

322  

141  

463

Total revenue $

3,068   $

475   $ 3,543   $

2,775   $

558   $ 3,333   $

2,293   $

459   $ 2,752

Revenue by Geographic Area

Based on region of destination (in millions)
Americas (1)

Europe, Middle East, and Africa

Greater China (2)

Asia-Pacific

Total revenue

2019

2018

2017

1,970   $

1,864   $

1,585

933  

372  

268  

851  

365  

253  

3,543   $

3,333   $

653

292

222

2,752

$

$

(1) Revenue for the Americas region included United States revenue of $1,859 million, $1,779 million, and $1,511 million in 2019, 2018, and 2017,
respectively.
(2) Region includes revenue from China, Taiwan, and Hong Kong.

Performance Obligations

We regularly enter into contracts with multiple performance obligations. Most performance obligations are generally satisfied within a short time
frame, approximately three to six months, after the contract execution date. As of December 29, 2019, the aggregate amount of the transaction price
allocated to remaining performance obligations was $980 million, of which approximately 66% is expected to be converted to revenue through 2020,
approximately 14% in the following twelve months, and the remainder thereafter.

Contract Liabilities

Contract liabilities, which consist of deferred revenue and customer deposits, as of December 29, 2019 and December 30, 2018 were $209 million
and $206 million, respectively, of which the short-term portions of $167 million and $175 million, respectively, were recorded in accrued liabilities and
the remaining long-term portions were recorded in other long-term liabilities. Revenue recorded in 2019 included $150 million of previously deferred
revenue that was included in contract liabilities as of December 30, 2018.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

3. INVESTMENTS AND FAIR VALUE MEASUREMENTS

Debt Securities

Our short-term investments are primarily available-for-sale debt securities that consisted of the following:

In millions

Debt securities in government-

sponsored entities

Corporate debt securities

U.S. Treasury securities

Total

December 29, 2019

Amortized
Cost

Gross
Unrealized
Gains

Estimated
Fair Value

 Amortized
Cost

December 30, 2018

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Estimated
Fair Value

$

$

18   $

—   $

18   $

21   $

627  

616  

3  

2  

630  

618  

1,060  

1,250  

1,261   $

5   $

1,266   $

2,331   $

—   $

—  

1  

1   $

—   $

(2)

(1)

(3)

  $

21

1,058

1,250

2,329

Contractual maturities of available-for-sale debt securities, as of December 29, 2019, were as follows:

In millions
Due within one year

After one but within five years

Total

Strategic Investments

Marketable Equity Securities

Estimated Fair Value
512
$

$

754

1,266

As of December 29, 2019 and December 30, 2018, the fair value of our marketable equity securities, included in short-term investments, totaled
$106 million and $39 million, respectively. Total unrealized gains on our marketable equity securities, included in other income, net, were $53
million and $21 million in 2019 and 2018, respectively.

Non-Marketable Equity Securities

As of December 29, 2019 and December 30, 2018, the aggregate carrying amounts of our non-marketable equity securities without readily
determinable fair values, included in other assets, were $220 million and $231 million, respectively. The decline was primarily due to the
reclassification of an equity security that became marketable in 2019 to short-term investments.

One of our non-marketable equity investments is a VIE for which we have concluded that we are not the primary beneficiary, and therefore, we
do not consolidate this VIE in our consolidated financial statements. We have determined our maximum exposure to loss, as a result of our
involvement with the VIE, to be the carrying value of our investment, which was $190 million and $189 million as of December 29, 2019 and
December 30, 2018, respectively, recorded in other assets.

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Venture Funds

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

We invest in two venture capital investment funds (the Funds) with capital commitments of $100 million, callable through April 2026, and up to
$160 million, callable through July 2029, respectively, of which $51 million and up to $160 million, respectively, remained callable as of
December 29, 2019. Our investments in the Funds are accounted for as equity-method investments. The aggregate carrying amounts of the
Funds, included in other assets, were $53 million and $29 million as of December 29, 2019 and December 30, 2018, respectively.

Consolidated Variable Interest Entities

Helix Holdings I, LLC

In July 2015, we obtained a 50% voting equity ownership interest in Helix Holdings I, LLC (Helix), a limited liability company formed with
unrelated third-party investors to pursue the development and commercialization of a marketplace for consumer genomics. We determined that
Helix was a VIE as the holders of the at-risk equity investments as a group lack the power to direct the activities of Helix that most significantly
impact Helix’s economic performance. Additionally, we determined that we had (a) unilateral power over one of the activities that most
significantly impacts the economic performance of Helix through its contractual arrangements and no one individual party has unilateral power
over the remaining significant activities of Helix and (b) the obligation to absorb losses of and the right to receive benefits from Helix that are
potentially significant to Helix. As a result, we were deemed to be the primary beneficiary of Helix and were required to consolidate Helix.

As contractually committed, in July 2015, we contributed certain perpetual licenses, instruments, intangibles, initial laboratory setup, and
discounted supply terms in exchange for voting equity interests in Helix. Such contributions were recorded at their historical basis as they
remained within our control. Helix was financed through cash contributions made by us and the third-party investors in exchange for voting equity
interests in Helix. During 2018, we made additional investments of $100 million in exchange for voting equity interests in Helix. As of
December 30, 2018, the noncontrolling shareholders and Illumina each held 50% of Helix’s outstanding voting equity interests.

Certain noncontrolling Helix investors may have required us to redeem certain noncontrolling interests in cash at the then approximate
redemption fair market value. Such redemption right was exercisable at the option of certain noncontrolling interest holders after January 1, 2021,
provided that a bona fide pursuit of the sale of Helix had occurred and an initial public offering of Helix had not been completed. As the contingent
redemption was outside of our control, the redeemable noncontrolling interests in Helix was classified outside of stockholders’ equity on the
accompanying consolidated balance sheets. The balance of the redeemable noncontrolling interests was reported at the greater of its carrying
value after receiving its allocation of Helix’s profits and losses or its estimated redemption value at each reporting date. The fair value of the
redeemable noncontrolling interests was considered a Level 3 instrument.

As of December 30, 2018, the accompanying consolidated balance sheet included $127 million of cash, cash equivalents, and short-term
investments attributable to Helix that could be used to settle its respective obligations and was not available to settle obligations of Illumina. The
remaining assets and liabilities of Helix were not significant to our financial position as of December 30, 2018. Helix had an immaterial impact on
our consolidated statements of income and cash flows in all periods presented.

On April 25, 2019, we entered into an agreement to sell our interest in, and relinquish control over, Helix. As part of the agreement, (i) Helix
repurchased all of our outstanding equity interests in exchange for a contingent value right with a 7-year term that entitles us to consideration
dependent upon the outcome of Helix’s future financing and/or liquidity events, (ii) we ceased having a controlling financial interest in Helix,
including unilateral power over one of the activities that most significantly impacts the economic performance of Helix, (iii) we were relieved of
any potential obligation to redeem certain noncontrolling interests, and (iv) we no longer have representation on Helix’s board of directors. As a
result, we deconsolidated Helix’s financial statements effective April 25, 2019 and recorded a gain on deconsolidation of $39 million in other
income, net. The gain on deconsolidation included (i) the contingent value right received from Helix recorded at a fair value of approximately $30
million, (ii) the derecognition of the carrying amounts of Helix’s assets and liabilities, and (iii) the derecognition of the noncontrolling interests
related to Helix.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

As of December 29, 2019, the fair value of the contingent value right received from Helix, included in other assets, was $29 million. Changes in
the fair value of the contingent value right resulted in a $1 million unrealized loss in 2019, included in other income, net.

GRAIL, Inc.

In 2016, we obtained a majority equity ownership interest in GRAIL, a company formed with unrelated third-party investors to develop a blood
test for early-stage cancer detection. At that time, we determined that GRAIL was a VIE as the entity lacked sufficient equity to finance its
activities without additional support. Additionally, we determined that we were the primary beneficiary of GRAIL and were required to consolidate
GRAIL. On February 28, 2017, GRAIL completed the initial close of its Series B preferred stock financing, we ceased to have a controlling
financial interest in GRAIL, and our equity ownership was reduced from 52% to 19%. Additionally, our voting interest was reduced to 13% and we
no longer had representation on GRAIL’s board of directors. As a result, we deconsolidated GRAIL’s financial statements effective February 28,
2017 and recorded a pretax gain on deconsolidation of $453 million in other income, net.

Fair Value Measurements

The following table presents the hierarchy for assets and liabilities measured at fair value on a recurring basis:

In millions
Assets:

Money market funds (cash
equivalents)

Debt securities in
government-sponsored
entities

Corporate debt securities

U.S. Treasury securities

Marketable equity securities

Contingent value right

Continuation Advances

Deferred compensation plan
assets

Total assets measured at
fair value

Liabilities:

Deferred compensation plan
liability

December 29, 2019

December 30, 2018

Level 1

Level 2

Level 3

Total

Level 1

Level 2

Level 3

Total

$

1,732   $

—   $

—   $

1,732   $

832   $

—   $

—   $

832

—  

—  

618  

106  

—  

—  

18  

630  

—  

—  

—  

—  

—  

48  

—  

—  

—  

—  

29  

10  

—  

18  

630  

618  

106  

29  

10  

48  

—  

—  

1,250  

39  

—  

—  

—  

21  

1,058  

—  

—  

—  

—  

34  

—  

—  

—  

—  

—  

—  

—  

21

1,058

1,250

39

—

—

34

2,456   $

696   $

39   $

3,191   $

2,121   $

1,113   $

—   $

3,234

—   $

46   $

—   $

46   $

—   $

33   $

—   $

33

$

$

We hold available-for-sale securities that consist of highly-liquid, investment-grade debt securities and marketable equity securities. We consider
information provided by our investment accounting and reporting service provider in the measurement of fair value of our debt securities. The
investment service provider provides valuation information from an industry-recognized valuation service. Such valuations may be based on trade
prices in active markets for identical assets or liabilities (Level 1 inputs) or valuation models using inputs that are observable either directly or
indirectly (Level 2 inputs), such as quoted prices for similar assets or liabilities, yield curve, volatility factors, credit spreads, default rates, loss
severity, current market and contractual prices for the underlying instruments or debt, broker and dealer quotes, as well as other relevant economic
measures. Our marketable equity securities are measured at fair value based on quoted trade prices in active markets. Our deferred compensation
plan assets consist primarily of investments in life insurance contracts carried at cash surrender value, which reflects the net asset value of the
underlying publicly traded mutual funds. We perform control procedures to corroborate the fair value of our holdings, including comparing valuations
obtained from our

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

investment service provider to valuations reported by our asset custodians, validating pricing sources and models, and reviewing key model inputs,
if necessary. We elected the fair value option to measure the contingent value right received from Helix. The fair value of our contingent value right
is derived using a Monte Carlo simulation. The Continuation Advances (as defined below), related to the terminated merger agreement with Pacific
Biosciences of California, Inc. (PacBio), are a derivative asset measured at fair value. Significant estimates and assumptions required for these
valuations include, but are not limited to, probabilities related to the timing and outcome of future financing and/or liquidity events and an assumption
regarding collectibility. These unobservable inputs represent a Level 3 measurement because they are supported by little or no market activity and
reflect our own assumptions in measuring fair value.

4. INTANGIBLE ASSETS, GOODWILL, AND ACQUISITIONS

Intangible Assets

In millions
Licensed technologies

Core technologies

Customer relationships

License agreements

Trade name

Total intangible assets,
net

$

$

December 29, 2019

December 30, 2018

Gross
Carrying
Amount

Accumulated
Amortization

Intangibles,
Net

Gross
Carrying
Amount

Accumulated
Amortization

Intangibles,
Net

95   $

325  

31  

14  

4  

(89)

  $

(195)

(27)

(10)

(3)

6   $

130  

4  

4  

1  

95   $

331  

32  

14  

9  

(83)

  $

(172)

(27)

(9)

(5)

469   $

(324)

  $

145   $

481   $

(296)

  $

12

159

5

5

4

185

The estimated annual amortization of intangible assets for the next five years is shown in the following table. Actual amortization expense to be
reported in future periods could differ from these estimates as a result of acquisitions, divestitures, and asset impairments, among other factors.

In millions
2020

2021

2022

2023

2024

Thereafter

Total

Estimated Annual
Amortization

$

$

29

25

21

20

19

31

145

During 2017, we performed a recoverability test when the planned use of a finite-lived acquired intangible asset changed, resulting in an impairment
charge of $18 million recorded in cost of product revenue. Also, during 2017, we recorded a $5 million impairment charge of in-process research
and development as the project had no future alternative use. Such impairments were recorded within the Core Illumina reportable segment. See
further discussion of our segments in note “11. Segment Information and Geographic Data.”

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Table of Contents

Goodwill

In millions
Balance as of December 31, 2017

Acquisitions

Balance as of December 30, 2018

Helix deconsolidation

Balance as of December 29, 2019

Goodwill

771

60

831

(7)

824

$

$

We performed the annual assessment for goodwill impairment in the second quarter of 2019, noting no impairment.

Acquisitions

Edico Genome

On May 14, 2018, we acquired Edico Genome, a provider of data analysis acceleration solutions for next-generation sequencing (NGS) for total
cash consideration of $100 million, net of cash acquired. As a result of this transaction, we recorded $56 million as goodwill within the Core Illumina
reportable segment. In addition, we recorded developed technology of $45 million and a trade name of $1 million, with useful lives of 10 and 3 years,
respectively.

PacBio

On November 1, 2018, we entered into an Agreement and Plan of Merger (the Merger Agreement) to acquire PacBio for an all-cash price of
approximately $1.2 billion (or $8.00 per share). On September 25, 2019, we entered into Amendment No. 1 to the Merger Agreement (the
Amendment), which extended the End Time of the Merger Agreement (as defined in the Merger Agreement) to December 31, 2019 and provided
that we make cash payments to PacBio of $6 million on or before each of October 1, 2019, November 1, 2019, and December 2, 2019. The
Amendment also allowed us to unilaterally extend the End Time date until March 31, 2020 by making additional payments to PacBio totaling $34
million, which we elected to do on December 18, 2019.

On January 2, 2020, we entered into an agreement to terminate the Merger Agreement (the Termination Agreement). Pursuant to the Termination
Agreement, we made a cash payment to PacBio of $98 million on January 2, 2020, which represented the Reverse Termination Fee (as defined in
the Merger Agreement). Additionally, we made cash payments of $6 million and $22 million on January 2, 2020 and February 3, 2020, respectively,
and will make a cash payment of $6 million on or before March 2, 2020. These payments totaling $34 million, along with the $18 million of payments
made in the fourth quarter of 2019, are collectively referred to as the Continuation Advances. If PacBio enters into a definitive agreement providing
for, or consummates, a Change of Control Transaction by September 30, 2020 (as defined in the Termination Agreement), and such transaction is
consummated by the two-year anniversary of the execution of the definitive agreement for such Change of Control Transaction, then the Reverse
Termination Fee of $98 million is repayable, without interest, to us. In addition, up to the $52 million of Continuation Advances is repayable without
interest to us if, within two years of March 31, 2020, PacBio enters into a Change of Control Transaction or raises at least $100 million in equity or
debt financing in a single transaction (with the amount repayable dependent on the amount raised by PacBio).

The potential repayment of the Continuation Advances meets the definition of a derivative asset and is recorded at fair value. As of December 29,
2019, the fair value of the derivative asset related to the $18 million of Continuation Advances paid in 2019 was $10 million, included in other assets.
The $8 million difference between the Continuation Advances paid and the fair value of the derivative asset was recorded as selling, general and
administrative expenses.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

5. DEBT AND OTHER COMMITMENTS
Summary of debt obligations

In millions
Principal amount of 2023 Notes outstanding

Principal amount of 2021 Notes outstanding

Principal amount of 2019 Notes outstanding

Unamortized discount of liability component of convertible senior notes

       Net carrying amount of liability component of convertible senior notes

Obligations under financing leases

Other

Less: current portion

       Long-term debt

Carrying value of equity component of convertible senior notes, net of debt issuance costs

Fair value of convertible senior notes outstanding (Level 2)

Weighted average remaining amortization period of discount on the liability component of convertible

December 29, 
2019

December 30, 
2018

$

750   $

517  

—  

(126)  

1,141  

—  

—  

—  

1,141   $

213   $

1,549   $

$

$

$

750

517

633

(175)

1,725

269

3

(1,107)

890

287

2,222

senior notes

3.2 years  

3.9 years

0% Convertible Senior Notes due 2023 (2023 Notes)

On August 21, 2018, we issued $750 million aggregate principal amount of convertible senior notes due 2023 (2023 Notes). The net proceeds from
the issuance, after deducting the offering expenses payable by us, were $735 million. The 2023 Notes carry no coupon interest and mature on
August 15, 2023.

The 2023 Notes will be convertible into cash, shares of our common stock or a combination of cash and shares of our common stock, at our
election, based on an initial conversion rate, subject to adjustment, of 2.1845 shares of common stock per $1,000 principal amount of notes (which
represents an initial conversion price of approximately $457.77 per share of common stock), only in the following circumstances: (1) during any
calendar quarter commencing after the calendar quarter ending on September 30, 2018 (and only during such calendar quarter), if the last reported
sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on,
and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price in effect on
each applicable trading day; (2) during the five business day period after any 10 consecutive trading day period (the “measurement period”) in which
the trading price per $1,000 principal amount of 2023 Notes for each trading day of the measurement period was less than 98% of the product of the
last reported sale price of our common stock and the conversion rate on each such trading day; (3) if we call any or all of the notes for redemption,
at any time prior to the close of business on the scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of
specified corporate events described in the indenture. Regardless of the foregoing circumstances, the holders may convert their notes on or after
May 15, 2023 until August 11, 2023.

It is our intent and policy to settle conversions through combination settlement; this involves repayment of an amount of cash equal to the “principal
amount” and delivery of the “share amount” in excess of the conversion value over the principal amount in shares of common stock. In general, for
each $1,000 in principal, the “principal amount” of cash upon settlement is defined as the lesser of $1,000 and the conversion value during the 20-
day observation period. The conversion value is the sum of the daily conversion value, which is the product of the effective conversion rate divided
by 20 days and the daily volume weighted average price (VWAP) of our common stock. The “share amount” is the cumulative “daily share amount”
during the observation period, which is calculated by dividing the daily VWAP into the difference between the daily conversion value (i.e., conversion
rate x daily VWAP) and $1,000.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

We may redeem for cash all or any portion of the 2023 Notes, at our option, on or after August 20, 2021 if the last reported sale price of our common
stock has been at least 130% of the conversion price then in effect (currently $595.10) for at least 20 trading days (whether or not consecutive)
during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately
preceding the date on which we provide notice of redemption at a redemption price equal to 100% of the principal amount of the notes to be
redeemed, plus any accrued and unpaid special interest to, but excluding, the redemption date.

The 2023 Notes are accounted for in accordance with authoritative guidance for convertible debt instruments that may be settled in cash upon
conversion. The guidance requires the carrying amount of the liability component to be estimated by estimating the fair value of a similar liability that
does not have an associated conversion feature. Because we have no outstanding non-convertible public debt, we determined that market-traded
senior, unsecured corporate bonds represent a similar liability without a conversion option. Based on market data available for publicly traded,
senior, unsecured corporate bonds issued by companies in our industry, and with similar maturities to the 2023 Notes, we estimated an implied
interest rate of 3.7%, assuming no conversion option. Assumptions used in the estimate represent what market participants would use in pricing the
liability component, including market interest rates, credit standing, and yield curves, all of which are defined as Level 2 observable inputs. The
estimated implied interest rate was applied to the 2023 Notes, which resulted in a fair value of the liability component in aggregate of $624
million upon issuance, calculated as the present value of implied future payments based on the $750 million aggregate principal amount. The $126
million difference ($93 million, net of tax) between the aggregate principal amount of $750 million and the estimated fair value of the liability
component was recorded in additional paid-in capital as the 2023 Notes are not considered redeemable.

As a policy election under applicable guidance related to the calculation of diluted net income per share, we have elected the combination settlement
method as our stated settlement policy and apply the treasury stock method in the calculation of the potential dilutive impact of the 2023 Notes on
net income per share each period. The 2023 Notes were not convertible as of December 29, 2019 and had no dilutive impact in 2019 and 2018. If
the 2023 Notes were converted as of December 29, 2019, the if-converted value would not exceed the principal amount.

0.5% Convertible Senior Notes due 2021 (2021 Notes)

In June 2014, we issued $517 million aggregate principal amount of convertible senior notes due 2021. The net proceeds from the issuance, after
deducting the offering expenses payable by us, were $509 million. We pay 0.5% interest per annum on the principal amount of the 2021 Notes,
payable semiannually in arrears in cash on June 15 and December 15 of each year, beginning on December 15, 2014. The 2021 Notes mature on
June 15, 2021.

The 2021 Notes will be convertible into cash, shares of common stock, or a combination of cash and shares of common stock, at our election, based
on an initial conversion rate, subject to adjustment, of 3.9318 shares per $1,000 principal amount of the notes (which represents an initial conversion
price of approximately $254.34 per share), only in the following circumstances: (1) during any calendar quarter commencing after the calendar
quarter ending September 30, 2014 (and only during such calendar quarter), if the last reported sale price of our common stock for 20 or more
trading days in the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter exceeds
130% of the applicable conversion price in effect on the last trading day of the immediately preceding calendar quarter; (2) during the five business
day period after any 10 consecutive trading day period (the “measurement period”) in which the trading price per 2021 Notes for each day of such
measurement period was less than 98% of the product of the last reported sale price of our common stock and the conversion rate on each such
trading day; or (3) upon the occurrence of specified events described in the indenture for the 2021 Notes. Regardless of the foregoing
circumstances, the holders may convert their notes on or after March 15, 2021 until June 11, 2021.

It is our intent and policy to settle conversions through combination settlement; this involves repayment of an amount of cash equal to the “principal
portion” and delivery of the “share amount” in excess of the conversion value over the principal portion in shares of common stock. In general, for
each $1,000 in principal, the “principal portion” of cash upon settlement is defined as the lesser of $1,000 and the conversion value during the 20-
day observation period. The conversion value is the sum of the daily conversion value which is the product of the effective conversion rate divided
by 20 days and the daily volume weighted average price (VWAP) of our common stock. The “share amount” is the cumulative “daily share amount”
during the observation period, which is calculated by

66

 
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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

dividing the daily VWAP into the difference between the daily conversion value (i.e., conversion rate x daily VWAP) and $1,000.

The 2021 Notes are accounted for in accordance with authoritative guidance for convertible debt instruments that may be settled in cash upon
conversion. The guidance requires the carrying amount of the liability component to be estimated by estimating the fair value of a similar liability that
does not have an associated conversion feature. Because we have no outstanding non-convertible public debt, we determined that market-traded
senior, unsecured corporate bonds represent a similar liability without the conversion option. Based on market data available for publicly traded,
senior, unsecured corporate bonds issued by companies in the same industry as us, and with similar maturities to the 2021 Notes, we estimated the
implied interest rate of our 2021 Notes to be 3.5%, assuming no conversion option. Assumptions used in the estimate represent what market
participants would use in pricing the liability component, including market interest rates, credit standing, and yield curves, all of which are defined as
Level 2 observable inputs. The estimated implied interest rate was applied to the 2021 Notes, which resulted in a fair value of the liability component
in aggregate of $423 million upon issuance, calculated as the present value of implied future payments based on the $517 million aggregate
principal amount. The $87 million difference between the cash proceeds of $510 million and the estimated fair value of the liability component was
recorded in additional paid-in capital as the 2021 Notes are not considered redeemable.

As a policy election under applicable guidance related to the calculation of diluted net income per share, we elected the combination settlement
method as our stated settlement policy and apply the treasury stock method in the calculation of the potential dilutive impact of the 2021 Notes. The
potential dilutive impact of the 2021 notes has been included in our calculation of diluted earnings per share in 2019 and 2018. If the 2021 Notes
were converted as of December 29, 2019, the if-converted value would exceed the principal amount by $146 million.

During 2018, the market price of our common stock met the stock trading price conversion requirement resulting in the 2021 Notes being convertible
as of December 30, 2018 and included in long-term debt, current portion on the consolidated balance sheet. The 2021 Notes were not convertible
as of December 29, 2019 and are included in long-term debt on the consolidated balance sheet.

0% Convertible Senior Notes due 2019 (2019 Notes)

In June 2014, we issued $633 million aggregate principal amount of 2019 Notes, and the implied estimated effective rate of the liability component
of the Notes was 2.9%, assuming no conversion option. The net proceeds from the issuance, after deducting the offering expenses payable by us,
were $623 million. The $74 million difference between the cash proceeds of $623 million and the estimated fair value of the liability component of
$549 million was recorded in additional paid-in capital as the 2019 Notes were not considered redeemable. The 2019 Notes matured on June 15,
2019, by which time the principal had been converted and was repaid in cash. The excess of the conversion value over the principal amount was
paid in shares of common stock.

The following table summarizes information about the conversion of the 2019 Notes during 2019:

In millions
Cash paid for principal of notes converted

Conversion value over principal amount, paid in shares of common stock

Number of shares of common stock issued upon conversion

67

$

$

633

153

0.4

 
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Leases

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

As of December 29, 2019, the maturities of our operating lease liabilities were as follows:

In millions
2020

2021

2022

2023

2024

Thereafter

Total remaining lease payments (1)

Less: imputed interest

Total operating lease liabilities

Less: current portion

Long-term operating lease liabilities

Weighted-average remaining lease term

$

$

77

83

85

86

85

554

970

(230)

740

(45)

695

11.4 years

Weighted-average discount rate
____________________________________
(1) Total remaining lease payments exclude $44 million of legally binding minimum lease payments for leases signed but not yet commenced.

4.6%

As of December 30, 2018, prior to the adoption of Topic 842, annual future minimum payments of our operating leases and build-to-suit leases,
which include those leases accounted for as a financing obligation, were as follows:

In millions
2019

2020

2021

2022

2023

Thereafter

Total minimum lease payments

$

The components of our lease costs were as follows:

In millions
Operating lease costs

Sublease income

Total lease costs

Operating
Leases

Sublease
Income

Net Operating
Leases

Build-to-suit
Leases

$

59   $

(11)

  $

48   $

64  

61  

61  

61  

439  

745   $

(11)

(11)

(12)

(11)

(12)

(68)

  $

53  

50  

49  

50  

427  

677   $

18

21

21

22

22

179

283

2019

84

(12)

72

$

$

Rent expense was $55 million and $46 million in 2018 and 2017, respectively, and the interest portion of lease expense for our build-to-suit
arrangements was $13 million in 2018. As of December 30, 2018, we had obligations under financing leases of $269 million, representing project
construction costs paid or reimbursed by our landlord for build-to-suit leases that did not qualify for sale-leaseback accounting under Topic 840.
Additionally, as of December 30, 2018, the deferred rent balance related to our operating leases was $123 million, of which the long-term portion of
$119 million was recorded in other long-term liabilities. Upon adoption of Topic 842 on December 31, 2018, we began to account for our build-to-suit
arrangements as operating leases, derecognized the remaining obligations under financing leases, and reclassified the deferred rent balance related
to our operating leases to

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

operating lease right-of-use assets. See note “1. Organization and Significant Accounting Policies” for further details on the adoption of Topic 842.

Purchase Obligations

In the normal course of business, we enter into agreements to purchase goods or services that are not cancelable without penalty, primarily related
to licensing and supply arrangements. For those agreements with variable terms, we do not estimate the total obligation beyond any minimum
quantities or pricing as of the reporting date. Licensing agreements under which we commit to minimum royalty payments, some of which are
subject to adjustment, may be terminated prior to the expiration of underlying intellectual property under certain circumstances. Annual minimum
payments for noncancelable purchase obligations as of December 29, 2019 were not material.

6. STOCKHOLDERS’ EQUITY

The 2015 Stock and Incentive Compensation Plan (the 2015 Stock Plan) and the New Hire Stock and Incentive Plan allow for the issuance of stock
options, restricted stock units and awards, and performance stock units. As of December 29, 2019, approximately 4.3 million shares remained
available for future grants under the 2015 Stock Plan. There is no set number of shares reserved for issuance under the New Hire Stock and
Incentive Plan.

Restricted Stock

We issue restricted stock units (RSU) and performance stock units (PSU), both of which are considered restricted stock. We grant restricted stock
pursuant to the 2015 Stock Plan and satisfy such grants through the issuance of new shares. RSU are share awards that, upon vesting, will deliver
to the holder shares of our common stock. RSU generally vest over a four-year period with equal vesting on anniversaries of the grant date. We
issue PSU for which the number of shares issuable at the end of a three-year performance period can reach up to 150% of the shares approved in
the award based on our performance relative to specified earnings per share targets and continued employment through the vesting period.

Restricted stock activity was as follows:

Units in thousands
Outstanding at January 1, 2017

Awarded

Vested

Cancelled

Outstanding at December 31, 2017

Awarded

Vested

Cancelled

Outstanding at December 30, 2018

Awarded

Vested

Cancelled

Outstanding at December 29, 2019

______________________________________

Restricted
Stock Units
(RSU)

Performance
Stock Units
(PSU)(1)

Weighted-Average Grant-
Date Fair Value per Share

RSU

PSU

2,293  

879  

(861)  

(226)  

2,085  

655  

(731)  

(169)  

1,840  

698  

(694)  

(144)  

1,700  

460

238

(92)

(64)

542

336

(188)

(30)

660

(41)

(283)

(65)

271

  $

  $

  $

  $

  $

  $

  $

  $

  $

  $

  $

  $

  $

141.80   $

207.38   $

131.62   $

149.03   $

172.92   $

322.04   $

170.50   $

172.30   $

227.00   $

313.70   $

205.51   $

225.48   $

271.49   $

158.66

191.53

189.09

173.83

166.15

232.08

176.15

162.54

196.99

254.52

133.11

181.79

258.66

(1) The number of units reflect the estimated number of shares to be issued at the end of the performance period.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Pre-tax intrinsic values and fair value of vested restricted stock was as follows:

In millions
Pre-tax intrinsic value of outstanding restricted stock:

RSU

PSU

Fair value of restricted stock vested:

RSU

PSU

Stock Options

Stock option activity was as follows:

Outstanding at January 1, 2017

Exercised

Outstanding at December 31, 2017

Exercised

Outstanding at December 30, 2018

Exercised

Outstanding and exercisable at December 29, 2019

2019

2018

2017

$

$

$

$

565   $

90   $

549   $

197   $

210   $

38   $

125   $

33   $

456

118

113

17

Options
(in thousands)

Weighted-
Average
Exercise Price

1,045   $

(723)

  $

322   $

(130)

  $

192   $

(134)

  $

58   $

48.56

49.31

46.93

35.68

54.52

53.61

56.65

The weighted-average remaining life of options outstanding and exercisable was 1.2 years as of December 29, 2019.

The aggregate intrinsic value of options outstanding and options exercisable as of December 29, 2019 was $16 million. Aggregate intrinsic value
represents the product of the number of options outstanding multiplied by the difference between our closing stock price per share on the last
trading day of the fiscal period, which was $332.29 as of December 27, 2019, and the exercise price. Total intrinsic value of options exercised was
$34 million, $33 million, and $101 million in 2019, 2018, and 2017, respectively.

Employee Stock Purchase Plan

A total of 15.5 million shares of our common stock have been reserved for issuance under our 2000 Employee Stock Purchase Plan, or ESPP. The
ESPP permits eligible employees to purchase common stock at a discount through payroll deductions during defined offering periods. The price at
which stock is purchased under the ESPP is equal to 85% of the fair market value of the common stock on the first day of the offering period or
purchase date, whichever is lower. The initial offering period commenced in July 2000.

Approximately 0.2 million, 0.3 million, and 0.3 million shares were issued under the ESPP during 2019, 2018, and 2017, respectively. As of
December 29, 2019 and December 30, 2018, there were approximately 13.5 million and 13.7 million shares available for issuance under the ESPP,
respectively.

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Share Repurchases

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

During 2019, 2018, and 2017, we repurchased approximately 1.1 million shares for $324 million, 0.6 million shares for $201 million (of which 0.3
million shares for $103 million was repurchased concurrently with the offering of our 2023 Notes), and 1.4 million shares for $251 million,
respectively. As of December 29, 2019, authorizations to repurchase $226 million of our common stock remained available under the $550 million
share repurchase program authorized by our Board of Directors on February 6, 2019. On February 5, 2020, our Board of Directors authorized a new
share repurchase program, which superseded all prior and available repurchase authorizations, to repurchase $750 million of outstanding common
stock. The repurchases may be completed under a 10b5-1 plan or at management’s discretion.

Share-based Compensation

Share-based compensation expense reported in our consolidated statements of income was as follows:

In millions
Cost of product revenue

Cost of service and other revenue

Research and development

Selling, general and administrative

Share-based compensation expense, before taxes

Related income tax benefits

Share-based compensation expense, net of taxes

2019

2018

2017

19   $

16   $

4  

66  

105  

194  

(41)  

3  

60  

114  

193  

(39)  

153   $

154   $

12

2

51

99

164

(48)

116

$

$

The assumptions used for the specified reporting periods and the resulting estimates of weighted-average fair value per share for stock purchased
under the ESPP were as follows:

Risk-free interest rate

Expected volatility

Expected term

Expected dividends

Weighted-average grant-date fair value per share

$

2019

2018

2017

1.88% - 2.56%  

 1.22% - 2.45%  

0.50% - 1.22%

30% - 38%  

 29% - 39%  

0.5 - 1.0 year

 0.5 - 1.0 year

29% - 44%

0.5 - 1.0 year

0%  

75.47

  $

0%  

61.59

  $

0%

46.81

As of December 29, 2019, approximately $463 million of total unrecognized compensation cost related to restricted stock and ESPP shares issued
to date was expected to be recognized over a weighted-average period of approximately 2.6 years.

7. SUPPLEMENTAL BALANCE SHEET DETAILS

Accounts Receivable

in millions
Trade accounts receivable, gross

Allowance for doubtful accounts

Total accounts receivable, net

December 29, 
2019

December 30, 
2018

$

$

575

  $

(2)

573

  $

516

(2)

514

71

    
 
 
 
 
 
 
 
 
 
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Inventory

in millions
Raw materials

Work in process

Finished goods

Total inventory

Property and Equipment

in millions
Leasehold improvements

Machinery and equipment

Computer hardware and software

Furniture and fixtures

Buildings

Construction in progress

Total property and equipment, gross

Accumulated depreciation

Total property and equipment, net

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

December 29, 
2019

December 30, 
2018

108   $

225  

26  

359   $

117

218

51

386

December 29, 
2019

December 30, 
2018

  $

622

401

272

45

44

73

1,457

(568)

889

  $

567

382

217

45

285

100

1,596

(521)

1,075

$

$

$

$

Property and equipment, net included non-cash expenditures of $20 million, $35 million and $117 million in 2019, 2018, and 2017, respectively,
which were excluded from the consolidated statements of cash flows. Such non-cash expenditures included $18 million and $79 million recorded
under build-to-suit lease accounting in 2018 and 2017, respectively.

As of December 30, 2018, property and equipment, net included $241 million of project construction costs paid or reimbursed by our landlord related
to our build-to-suit leases that did not qualify for sale-leaseback accounting under Topic 840. Upon adoption of Topic 842 on December 31, 2018,
we derecognized the Buildings related to our build-to-suit leasing arrangements and began to account for these leases as operating leases. See
note “1. Organization and Significant Accounting Policies” for further details on the adoption impact of Topic 842.

Accrued Liabilities

in millions
Contract liabilities, current portion

Accrued compensation expenses

Accrued taxes payable

Operating lease liabilities, current portion

Other, including warranties (a)

Total accrued liabilities

December 29, 
2019

December 30, 
2018

$

$

167   $

154  

86  

45  

64  

516   $

175

193

82

—

63

513

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

(a) Changes in the reserve for product warranties were as follows:

in millions
Balance as of January 1, 2017

Additions charged to cost of revenue

Repairs and replacements

Balance as of December 31, 2017

Additions charged to cost of revenue

Repairs and replacements

Balance as of December 30, 2018

Additions charged to cost of revenue

Repairs and replacements

Balance as of December 29, 2019

Redeemable Noncontrolling Interests

Changes in the redeemable noncontrolling interest were as follows:

in millions
Balance as of January 1, 2017

Amount released from escrow

Vesting of redeemable equity awards

Net loss attributable to noncontrolling interests

Adjustment up to the redemption value

Deconsolidation of GRAIL

Balance as of December 31, 2017

Vesting of redeemable equity awards

Net loss attributable to noncontrolling interests

Adjustment down to the redemption value

Balance as of December 30, 2018

Vesting of redeemable equity awards

Net loss attributable to noncontrolling interests

Adjustment down to the redemption value

Release of potential obligation to noncontrolling interests

Balance as of December 29, 2019

$

$

$

$

$

13

26

(22)

17

27

(25)

19

20

(25)

14

44

79

13

(41)

136

(11)

220

2

(34)

(127)

61

1

(9)

(16)

(37)

—

Accumulated Other Comprehensive Income (Loss)

in millions
Foreign currency translation adjustments

Unrealized gain (loss) on available-for-sale debt securities, net of deferred tax

Total accumulated other comprehensive income (loss)

December 29, 
2019

December 30, 
2018

$

$

1   $

4  

5   $

1

(2)

(1)

8. LEGAL PROCEEDINGS

We are involved in various lawsuits and claims arising in the ordinary course of business, including actions with respect to intellectual property,
employment, and contractual matters. In connection with these matters, we assess, on a regular basis, the probability and range of possible loss
based on the developments in these matters. A liability

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

is recorded in the consolidated financial statements if it is believed to be probable that a loss has been incurred and the amount of the loss can be
reasonably estimated. Because litigation is inherently unpredictable and unfavorable resolutions could occur, assessing contingencies is highly
subjective and requires judgments about future events. We regularly review outstanding legal matters to determine the adequacy of the liabilities
accrued and related disclosures in consideration of many factors, which include, but are not limited to, past history, scientific and other evidence,
and the specifics and status of each matter. We may change our estimates if our assessment of the various factors changes and the amount of
ultimate loss may differ from our estimates, resulting in a material effect on our business, financial condition, results of operations, and/or cash flows.

9. INCOME TAXES

Income before income taxes summarized by region was as follows:

In millions
United States

Foreign

Total income before income taxes

The provision for income taxes consisted of the following:

In millions
Current:

Federal

State

Foreign

Total current provision

Deferred:

Federal

State

Foreign

Total deferred expense (benefit)

Total tax provision

$

$

$

2019

2018

2017

242   $

876  

1,118   $

54   $

840  

894   $

458

585

1,043

2019

2018

2017

32   $

47   $

7  

84  

123  

1  

(1)  

5  

5  

15  

68  

130  

—  

(16)  

(2)  

(18)  

$

128   $

112   $

The provision for income taxes reconciles to the amount computed by applying the federal statutory rate to income before taxes as follows:

In millions
Tax at federal statutory rate

State, net of federal benefit

Research and other credits

Change in valuation allowance

Impact of foreign operations

Investments in consolidated variable interest entities

Impact of U.S. Tax Reform

Stock compensation

Other

Total tax provision

2019

2018

2017

$

235   $

188   $

18  

(37)  

(2)  

(57)  

(5)  

—  

(20)  

(4)  

13  

(23)  

(12)  

(59)  

9  

11  

(24)  

9  

$

128   $

112   $

The determination of the impact of the Tax Cuts and Jobs Act that was enacted on December 22, 2017 (U.S. Tax Reform) may change following
future legislation or further interpretation of the U.S. Tax Reform based on the

74

259

21

51

331

36

—

(2)

34

365

365

19

(12)

12

(130)

(3)

150

(41)

5

365

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

publication of proposed U.S. Treasury regulations and guidance from the Internal Revenue Service and state tax authorities. We continue to
evaluate the impacts of U.S. Tax Reform as we interpret the legislation, including the global intangible low-taxed income (GILTI) provisions which
subject our foreign earnings to a minimum level of tax. We have elected to account for GILTI as a period cost in our consolidated financial
statements.

The impact of foreign operations primarily represents the difference between the actual provision for income taxes for our legal entities that operate
primarily in jurisdictions that have statutory tax rates lower than the U.S. federal statutory tax rate of 21%. The most significant tax benefits from
foreign operations were from our earnings in Singapore and the United Kingdom, which had statutory tax rates of 17% and 19%, respectively, in
2019. The impact of foreign operations also includes the U.S. foreign tax credit impact of non-U.S. earnings and uncertain tax positions related to
foreign items.

Significant components of deferred tax assets and liabilities were as follows:

In millions
Deferred tax assets:

Net operating losses

Tax credits

Other accruals and reserves

Stock compensation

Deferred rent

Cost sharing adjustment

Other amortization

Obligations under financing leases

Operating lease liabilities

Investments

Other

Total gross deferred tax assets

Valuation allowance on deferred tax assets

Total deferred tax assets

Deferred tax liabilities:

Purchased intangible amortization

Convertible debt

Property and equipment

Operating lease right-of-use assets

Investments

Other

Total deferred tax liabilities

Deferred tax assets, net

December 29, 
2019

December 30, 
2018

$

  $

21

63

12

20

—  

21

16

—  

158

2

45

358

(13)

345

(27)

(30)

(47)

(111)

(62)

(5)

(282)

$

63

  $

26

63

28

20

30

21

13

70

—

1

28

300

(15)

285

(32)

(41)

(94)

—

(45)

(3)

(215)

70

A valuation allowance is established when it is more likely than not the future realization of all or some of the deferred tax assets will not be
achieved. The evaluation of the need for a valuation allowance is performed on a jurisdiction-by-jurisdiction basis and includes a review of all
available positive and negative evidence. Based on the available evidence as of December 29, 2019, we were not able to conclude it is more likely
than not certain deferred tax assets will be realized. Therefore, a valuation allowance of $13 million was recorded against certain U.S. and foreign
deferred tax assets.

As of December 29, 2019, we had net operating loss carryforwards for federal and state tax purposes of $29 million and $115 million, respectively,
which will begin to expire in 2020 and 2025, respectively, unless utilized prior. We

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

also had federal and state tax credit carryforwards of $1 million and $106 million, which will begin to expire in 2037 and 2022, respectively, unless
utilized prior.

Pursuant to Section 382 and 383 of the Internal Revenue Code, utilization of net operating losses and credits may be subject to annual limitations in
the event of any significant future changes in its ownership structure. These annual limitations may result in the expiration of net operating losses
and credits prior to utilization. The deferred tax assets as of December 29, 2019 are net of any previous limitations due to Section 382 and 383.

Our manufacturing operations in Singapore operate under various tax holidays and incentives that begin to expire in 2023. These tax holidays and
incentives resulted in a $33 million, $36 million, and $49 million decrease to the provision for income taxes in 2019, 2018, and 2017, respectively.
These tax holidays and incentives resulted in an increase in diluted earnings per share attributable to Illumina stockholders of $0.22, $0.24, and
$0.33, in 2019, 2018, and 2017, respectively.

It is our intention to indefinitely reinvest the historical earnings of our foreign subsidiaries generated prior to 2017 to ensure sufficient working capital
and to expand existing operations outside the United States. Accordingly, state and foreign income and withholding taxes have not been provided
on $889 million of undistributed earnings of foreign subsidiaries as of December 29, 2019. In the event we are required to repatriate funds from
outside of the United States, such repatriation would be subject to local laws, customs, and tax consequences. As of December 29, 2019, we
asserted that $331 million of foreign earnings would not be indefinitely reinvested, and accordingly, recorded a deferred tax liability of $5 million.

The following table summarizes the gross amount of our uncertain tax positions:

In millions
Balance at beginning of year

Increases related to prior year tax positions

Decreases related to prior year tax positions

Increases related to current year tax positions

Decreases related to lapse of statute of limitations

Balance at end of year

December 29, 
2019

December 30, 
2018

December 31, 
2017

$

$

  $

88

1

—  

12

(22)

79

  $

79

1

(1)

12

(3)

88

  $

  $

65

2

—

14

(2)

79

Included in the balance of uncertain tax positions as of December 29, 2019 and December 30, 2018, were $68 million and $78 million, respectively,
of net unrecognized tax benefits that, if recognized, would reduce the effective income tax rate in future periods.

Any interest and penalties related to uncertain tax positions are reflected in the provision for income taxes. We recognized income of $3 million in
2019 and recognized expense of $3 million and $1 million in 2018 and 2017, respectively, related to potential interest and penalties on uncertain tax
positions. We recorded a liability for potential interest and penalties of $7 million and $11 million as of December 29, 2019 and December 30, 2018,
respectively.

Tax years 1997 to 2018 remain subject to future examination by the major tax jurisdictions in which we are subject to tax. Given the uncertainty of
potential adjustments from examination as well as the potential expiration of the statute of limitations, it is reasonably possible that the balance of
unrecognized tax benefits could change significantly over the next 12 months. Due to the number of years remaining that are subject to examination,
we are unable to estimate the full range of possible adjustments to the balance of gross unrecognized tax benefits.

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10. EMPLOYEE BENEFIT PLANS

Retirement Plan

ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

We have a 401(k) savings plan covering substantially all of our employees in the United States. Our contributions to the plan are discretionary.
During 2019, 2018, and 2017, we made matching contributions of $20 million, $20 million, and $17 million, respectively.

Deferred Compensation Plan

The Illumina, Inc. Deferred Compensation Plan (the Plan) allows senior level employees to contribute up to 60% of their base salary and 100% of
their variable cash compensation, and members of the board of directors to contribute up to 100% of their director fees and equity awards. Under
the Plan, we credit the participants’ contributions with earnings that reflect the performance of certain independent investment funds. On a
discretionary basis, we may also make employer contributions to participant accounts in any amount determined by us. The vesting schedules of
employer contributions are at the sole discretion of the Compensation Committee. However, all employer contributions shall become 100% vested
upon the occurrence of the participant’s disability, death or retirement or a change in control of Illumina. The benefits under this plan are unsecured.
Participants are generally eligible to receive payment of their vested benefit at the end of their elected deferral period or after termination of their
employment for any reason or at a later date to comply with the restrictions of Section 409A.

We also established a rabbi trust for the benefit of the participants under the Plan and have included the assets of the rabbi trust in the consolidated
balance sheets. As of December 29, 2019 and December 30, 2018, the assets of the trust were $48 million and $34 million, respectively, and our
liabilities were $46 million and $33 million, respectively. The assets and liabilities are classified as other assets and accrued liabilities, respectively,
on the consolidated balance sheets. Changes in the values of the assets held by the rabbi trust are recorded in other income, net in the consolidated
statements of income, and changes in the values of the deferred compensation liabilities are recorded in cost of revenue or operating expenses.

11. SEGMENTS AND GEOGRAPHIC DATA

Reportable Segment Information

We have one reportable segment as of December 29, 2019, Core Illumina, which relates to Illumina’s core operations. Prior to the Helix
deconsolidation on April 25, 2019, our reportable segments included both Core Illumina and Consolidated VIEs (Helix) and prior to the
deconsolidation of GRAIL on February 28, 2017, our Consolidated VIEs included the combined operations of Helix and GRAIL. See note “3.
Investments and Fair Value Measurements” for further details.

Core Illumina:

Core Illumina’s products and services serve customers in the research, clinical and applied markets, and enable the adoption of a variety of
genomic solutions. Core Illumina includes all of our operations, excluding the results of our consolidated VIEs.

Consolidated VIEs:

Helix: Helix was established to enable individuals to explore their genetic information by providing affordable sequencing and database
services for consumers through third-party partners, driving the creation of an ecosystem of consumer applications.

GRAIL: GRAIL was created to develop a blood test for early-stage cancer detection. GRAIL was in the early stages of developing this test
and as such, had no revenues through the date of deconsolidation on February 28, 2017.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Core Illumina sells products and provides services to Helix and GRAIL in accordance with contractual agreements between the entities.

 In millions
Revenue:

Core Illumina

Consolidated VIEs

Eliminations

Consolidated revenue

Depreciation and amortization:

Core Illumina

Consolidated VIEs

Eliminations

Consolidated depreciation and amortization

Income (loss) from operations:

Core Illumina

Consolidated VIEs

Eliminations

Consolidated income from operations

In millions
Total assets:

Core Illumina

Consolidated VIEs

Eliminations

Consolidated total assets

Capital expenditures:

Core Illumina

Consolidated VIEs

Consolidated capital expenditures

Geographic Data

2019

2018

2017

3,543   $

3,334   $

2,754

1  

(1)  

10  

(11)  

6

(8)

3,543   $

3,333   $

2,752

186   $

175   $

3  

(1)  

6  

(2)  

188   $

179   $

1,008   $

(24)  

1  

985   $

970   $

(90)  

3  

883   $

153

6

(3)

156

696

(92)

2

606

$

$

$

$

$

$

December 29, 
2019

December 30, 
2018

December 31, 
2017

$

$

$

$

7,316   $

6,912   $

—  

—  

154  

(107)

7,316   $

6,959   $

209   $

—  

209   $

294   $

2  

296   $

5,223

45

(11)

5,257

306

4

310

Net long-lived assets, consisting of property and equipment, by region was as follows:

In millions
United States

Singapore

United Kingdom

Other countries

Total

December 29, 
2019

December 30, 
2018

$

$

696   $

112  

62  

19  

889   $

907

96

62

10

1,075

Net long-lived assets exclude goodwill and other intangible assets since they are not allocated on a geographic basis.

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ILLUMINA, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Refer to note “2. Revenue” for revenue by geographic area.

12. QUARTERLY FINANCIAL INFORMATION (UNAUDITED)

The following financial information reflects all normal recurring adjustments, which are, in the opinion of management, necessary for a fair statement
of the results and cash flows of interim periods. All quarters for 2019 and 2018, were 13 weeks.

In millions (except per share amounts)
2019

Total revenue

Gross profit

Consolidated net income

Net income attributable to Illumina stockholders

Earnings per share attributable to Illumina stockholders:

Basic

Diluted

2018

Total revenue

Gross profit

Consolidated net income

Net income attributable to Illumina stockholders

Earnings per share attributable to Illumina stockholders:

Basic

Diluted

First Quarter

Second Quarter

Third Quarter

Fourth Quarter

$

$

$

$

$

$

$

$

$

$

$

$

846   $

584   $

224   $

233   $

1.58   $

1.57   $

782   $

538   $

197   $

208   $

1.42   $

1.41   $

838   $

573   $

293   $

296   $

2.01   $

1.99   $

830   $

575   $

200   $

209   $

1.42   $

1.41   $

907   $

648   $

234   $

234   $

1.59   $

1.58   $

853   $

597   $

188   $

199   $

1.35   $

1.33   $

953

662

239

239

1.63

1.61

867

590

198

210

1.43

1.41

Certain amounts may not recalculate using the rounded amounts provided.

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CONTROLS AND PROCEDURES

We design our internal controls to provide reasonable assurance that (1) our transactions are properly authorized; (2) our assets are safeguarded
against unauthorized or improper use; and (3) our transactions are properly recorded and reported in conformity with U.S. generally accepted
accounting principles. We also maintain internal controls and procedures to ensure that we comply with applicable laws and our established financial
policies.

Our management, under the supervision and with the participation of our chief executive officer (CEO) and chief financial officer (CFO), has
evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a- 15(e) and 15d- 15(e) under the Securities Exchange
Act of 1934, as amended (Exchange Act)), as of the end of the period covered by this Annual Report on Form 10-K. Based on such evaluation, our
CEO and CFO have concluded that as of December 29, 2019 , our disclosure controls and procedures are designed at a reasonable assurance
level and are effective to provide reasonable assurance that information we are required to disclose in reports that we file or submit under the
Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the rules and forms of the Securities and
Exchange Commission (SEC), and that such information is accumulated and communicated to our management, including our CEO and CFO, as
appropriate, to allow timely decisions regarding required disclosure.

During the fourth quarter of 2019, we continued to monitor and evaluate the design and operating effectiveness of key controls. There were no
changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act) that materially affected or
are reasonably likely to materially affect internal control over financial reporting.

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in
Exchange Act Rules 13a-15(f). Because of its inherent limitations, internal control over financial reporting may not prevent or detect all
misstatements. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement
preparation and presentation.

We conducted an evaluation of the effectiveness of our internal control over financial reporting based on the framework in Internal Control -
Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework). Based on this
evaluation, our management has concluded that our internal control over financial reporting was effective as of December 29, 2019. The
effectiveness of our internal control over financial reporting as of December 29, 2019 has been audited by Ernst & Young LLP, an independent
registered public accounting firm, as stated in their report which is included herein.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Stockholders of Illumina, Inc.

Opinion on Internal Control over Financial Reporting

We have audited Illumina, Inc.’s internal control over financial reporting as of December 29, 2019, based on criteria established in Internal
Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO
criteria). In our opinion, Illumina, Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of
December 29, 2019, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the
consolidated balance sheets of Illumina, Inc. as of December 29, 2019 and December 30, 2018, the related consolidated statements of income,
comprehensive income, stockholders’ equity, and cash flows for each of the three years in the period ended December 29, 2019, and the related
notes and our report dated February 10, 2020 expressed an unqualified opinion thereon.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the
effectiveness of internal control over financial reporting included in the accompanying Management’s Report on Internal Control over Financial
Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public
accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal
securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain

reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.

Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists,

testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures
as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial

reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A
company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in
reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that
transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles,
and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the
company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the
company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any

evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that
the degree of compliance with the policies or procedures may deteriorate.

/s/ ERNST & YOUNG LLP

San Diego, California
February 10, 2020

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DIRECTORS, EXECUTIVE OFFICERS, AND CORPORATE GOVERNANCE

Directors

Information concerning our directors is incorporated by reference from the section entitled “Proposal One: Election of Directors,” “Information About
Directors,” “Director Compensation,” and “Board of Directors and Corporate Governance” to be contained in our definitive Proxy Statement with
respect to our 2020 Annual Meeting of Stockholders to be filed with the SEC no later than April 27, 2020.

Executive Officers

Information concerning our executive officers is incorporated by reference from the section entitled “Executive Officers” to be contained in our
definitive Proxy Statement with respect to our 2020 Annual Meeting of Stockholders to be filed with the SEC no later than April 27, 2020.

Corporate Governance

Section 16(a) of the Exchange Act

Information concerning compliance with Section 16(a) of the Securities Exchange Act of 1934 is incorporated by reference from the section
entitled “Section 16(a) Beneficial Ownership Reporting Compliance” to be contained in our definitive Proxy Statement with respect to our 2020
Annual Meeting of Stockholders to be filed with the SEC no later than April 27, 2020.

Audit Committee Financial Expert

Information concerning the audit committee financial expert as defined by the SEC rules adopted pursuant to the Sarbanes-Oxley Act of 2002 is
incorporated by reference from the section entitled “Board of Directors and Corporate Governance” to be contained in our definitive Proxy
Statement with respect to our 2020 Annual Meeting of Stockholders to be filed with the SEC no later than April 27, 2020.

Code of Conduct

We have a code of conduct for our directors, officers, and employees, which is available on our website at www.illumina.com in the Corporate
Governance portal of the Investor Information section under “Company.” A copy of the Code of Conduct is available in print free of charge to any
stockholder who requests a copy. Interested parties may address a written request for a printed copy of the Code of Ethics to: Corporate
Secretary, Illumina, Inc., 5200 Illumina Way, San Diego, California 92122. We intend to satisfy the disclosure requirement regarding any
amendment to, or a waiver from, a provision of the Code of Ethics for our principal executive officer, principal financial officer, principal
accounting officer or controller, or persons performing similar functions, by posting such information on our website. The information on, or that
can be accessed from, our website is not incorporated by reference into this report.

EXECUTIVE COMPENSATION

Information concerning executive compensation is incorporated by reference from the sections entitled “Compensation Discussion and Analysis,”
“Director Compensation,” and “Executive Compensation” to be contained in our definitive Proxy Statement with respect to our 2020 Annual Meeting
of Stockholders to be filed with the SEC no later than April 27, 2020.

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER
MATTERS

Information concerning the security ownership of certain beneficial owners and management and information covering securities authorized for
issuance under equity compensation plans is incorporated by reference from the sections entitled “Stock Ownership of Principal Stockholders and
Management,” “Executive Compensation,” and “Equity Compensation Plan Information” to be contained in our definitive Proxy Statement with
respect to our 2020 Annual Meeting of Stockholders to be filed with the SEC no later than April 27, 2020.

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CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Information concerning certain relationships and related transactions, and director independence is incorporated by reference from the sections
entitled “Proposal One: Election of Directors,” “Information About Directors,” “Director Compensation,” “Executive Compensation,” and “Certain
Relationships and Related Party Transactions” to be contained in our definitive Proxy Statement with respect to our 2020 Annual Meeting of
Stockholders to be filed with the SEC no later than April 27, 2020.

PRINCIPAL ACCOUNTANT FEES AND SERVICES

Information concerning principal accountant fees and services is incorporated by reference from the sections entitled “Proposal Two: Ratification of
Appointment of Independent Registered Public Accounting Firm” and “Independent Registered Public Accountants” to be contained in our definitive
Proxy Statement with respect to our 2020 Annual Meeting of Stockholders to be filed with the SEC no later than April 27, 2020.

EXHIBITS, FINANCIAL STATEMENT SCHEDULES

Exhibits

The exhibits listed in the accompanying “Index to Exhibits” below are filed or incorporated by reference as part of this report.

Financial Statements

See “Index to Consolidated Financial Statements” within the Consolidated Financial Statements section of this report.

Financial Statement Schedules

All financial schedules have been omitted as the required information is not applicable, not material, or because the information required is included
in the consolidated financial statements and notes thereto included in the Consolidated Financial Statements section of this report.

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Index to Exhibits

Exhibit

Number
2.1

2.2

2.3

3.1

3.2

4.1

4.2

4.3

4.4

4.5

+10.1

+10.2

+10.3

+10.4

+10.5

Exhibit Description
Agreement and Plan of Merger, dated November
1, 2018, by and among Illumina, FC Ops Corp.
and Pacific Biosciences of California, Inc.

Amendment No. 1 to Agreement and Plan of
Merger, dated as of September 25, 2019, by and
among Illumina, FC Ops Corp. and Pacific
Biosciences of California, Inc.

Agreement by and among Illumina, Pacific
Biosciences of California, Inc., and FC Ops
Corp., dated January 2, 2020

Amended and Restated Certificate of
Incorporation

  Amended and Restated Bylaws

  Specimen Common Stock Certificate

Indenture related to the 0% Convertible Senior
Notes due 2019, dated as of June 11, 2014,
between Illumina and The Bank of New York
Mellon Trust Company, N.A., as trustee

Indenture related to the 0.5% Convertible Senior
Notes due 2021, dated as of June 11, 2014,
between Illumina and The Bank of New York
Mellon Trust Company, N.A., as trustee

First Supplemental Indenture related to the 0.5%
Convertible Senior Notes due 2021, dated as of
August 27, 2014, between Illumina and The Bank
of New York Mellon Trust Company, N.A., as
trustee

Indenture related to the 0% Convertible Senior
Notes due 2023, dated as of August 21, 2018,
between Illumina and The Bank of New York
Mellon Trust Company, N.A., as trustee

Form of Indemnification Agreement between
Illumina and each of its directors and executive
officers

Amended and Restated Change in Control
Severance Agreement between Illumina and
Jay T Flatley, dated October 22, 2008

Form of Change in Control Severance
Agreement between Illumina and each of its
executive officers

Incorporated by Reference

Form  

File Number

Exhibit

8-K

001-35406

2.1

Filing

Date
11/5/2018

Filed

Herewith

8-K

001-35406

10.1

9/26/2019

8-K

001-35406

10.1

1/2/2020

10-Q

001-35406

3.3

7/31/2019

  10-Q

  S-1/A

8-K

  001-35406

  333-33922

001-35406

3.4  

4.1  

4.1

10/25/2019  

7/3/2000  

6/11/2014

8-K

001-35406

4.2

6/11/2014

10-Q

001-35406

4.1

10/29/2014

8-K

001-35406

4.1

8/21/2018

10-Q

000-30361

10.55

7/25/2008

10-K

000-30361

10.33

2/26/2009

10-K

000-30361

10.34

2/26/2009

2000 Employee Stock Purchase Plan, as
amended and restated through February 2, 2012  

10-K

001-35406

New Hire Stock and Incentive Plan, as amended
and restated through October 28, 2009

10-K

000-30361

10.4

10.7

2/24/2012

2/26/2010

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10.6

+10.7

+10.7

+10.8

+10.9

+10.10

+10.11

+10.12

10.13

10.14

10.15

10.16

10.17

10.18

License Agreement, effective as of May 6, 1998,
between Tufts University and Illumina

The Solexa Unapproved Company Share Option
Plan

10-Q

000-30361

10.5

5/3/2007

8-K

000-30361

99.3

11/26/2007

  The Solexa Share Option Plan for Consultants

  8-K

  000-30361

Solexa Limited Enterprise Management Incentive
Plan

8-K

000-30361

99.4  

11/26/2007  

99.5

11/26/2007

Amended and Restated Solexa 2005 Equity
Incentive Plan

Amended and Restated Solexa 1992 Stock
Option Plan

10-K

000-30361

10.25

2/26/2009

10-K

000-30361

10.26

2/26/2009

  2015 Stock and Incentive Plan

  10-K

  001-35406

10.11  

2/13/2018    

Form of Restricted Stock Unit Agreement for
Employees Under 2015 Stock and Incentive Plan  

Amended and Restated Lease between BMR-
9885 Towne Centre Drive LLC and Illumina for
the 9885 Towne Centre Drive property, dated
January 26, 2007

Lease between BMR-9885 Towne Centre Drive
LLC and Illumina for the 9865 Towne Centre
Drive property, dated January 26, 2007

Amended and Restated Lease Agreement, dated
March 27, 2012, between ARE-SD Region
No. 32, LLC and Illumina

First Amendment to Amended and Restated
Lease Agreement, dated March 27, 2012,
between ARE-SD Region No. 32, LLC and
Illumina

Second Amendment to Amended and Restated
Lease Agreement, dated March 27, 2012,
between ARE-SD Region No. 32, LLC and
Illumina

Amended and Restated Second Amendment to
Amended and Restated Lease Agreement, dated
March 27, 2012, between ARE-SD Region
No. 32, LLC and Illumina

10-K

001-35406

10.12

2/13/2018

10-Q

000-30361

10.41

5/3/2007

10-Q

000-30361

10.42

5/3/2007

10-Q

001-35406

10.1

5/3/2012

10-K

001-35406

10.23

2/18/2015

10-K

001-35406

10.24

2/18/2015

10-K

001-35406

10.18

2/13/2018

+10.19

Deferred Compensation Plan, effective
December 1, 2007

10.20

10.21

10.22

Lease between BMR-Lincoln Centre LP and
Illumina, dated December 30, 2014

Pooled Patents Agreement between Illumina and
Sequenom, Inc., dated December 2, 2014 (with
certain confidential portions omitted)

First Amendment to Pooled Patents Agreement
between Illumina and Sequenom, Inc., effective
as of April 21, 2016

14D-9

005-60457

99(e)(6)

2/7/2012

10-K

001-35406

10.26

2/18/2015

10-K

001-35406

10.27

2/18/2015

10-K

001-35406

10.22

2/13/2018

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10.23

10.24

10.25

10.26

10.27

10.28

10.29

10.30

10.31

10.32

10.33

Second Amendment to Pooled Patents
Agreement between Illumina and Sequenom,
Inc., effective as of April 17, 2017

Third Amendment to Pooled Patents Agreement
between Illumina and Sequenom, Inc., effective
as of August 28, 2017 (with certain confidential
portions omitted)

Fourth Amendment to Pooled Patents Agreement
between Illumina and Sequenom, Inc., effective
as of March 15, 2018

Fifth Amendment to Pooled Patents Agreement
between Illumina and Sequenom, Inc., effective
as of April 12, 2019 (with certain confidential
portions omitted)

Agreement for Lease between Granta Park Park
Jco 1 Limited and Illumina, dated June 25, 2015  

Third Amendment to Lease between ARE-SD
Region No. 32, LLC and Illumina, dated
September 2, 2015

First Amendment to Lease between BMR-Lincoln
Center LP and Illumina, dated February 23, 2016  

Fourth Amendment to Lease between ARE-SD
Region No. 32, LLC and Illumina, dated April 14,
2016

Second Amendment to Lease between BMR-
Lincoln Center LP and Illumina dated August 15,
2016

Deed of Variation to the Agreement for Lease
between Granta Park Jco 1 Limited and Illumina
dated October 24, 2016

Third Amendment to Lease between BMR-
Lincoln Center LP and Illumina dated January 18,
2018

+10.34

Separation Agreement between Garret Hampton
and Ilumina dated as of November 25, 2019

21.1

23.1

24.1

31.1

31.2

32.1

  Subsidiaries of Illumina

Consent of Independent Registered Public
Accounting Firm

Power of Attorney (included on the signature
page)

Certification of Francis A. deSouza pursuant to
Section 302 of the Sarbanes-Oxley Act of 2002

Certification of Sam A. Samad pursuant to
Section 302 of the Sarbanes-Oxley Act of 2002

Certification of Francis A. deSouza pursuant to
18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002

10-K

001-35406

10.23

2/13/2018

10-K

001-35406

10.24

2/13/2018

10-Q

001-35406

10.1

7/31/2015

10-K

001-35406

10.29

3/2/2016

10-K

001-35406

10.30

3/2/2016

10-K

001-35406

10.28

2/14/2017

10-K

001-35406

10.29

2/14/2017

10-K

001-35406

10.30

2/14/2017

10-Q

001-35406

10.10

4/25/2018

86

X

X

X

X

X

X

X

X

X

 
 
 
 
 
   
 
 
 
 
 
   
 
   
   
   
   
 
 
   
   
   
   
 
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
 
   
 
   
   
   
   
 
   
   
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

32.2

101.INS

Certification of Sam A. Samad pursuant to
18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002

XBRL Instance Document - the instance
document does not appear in the Interactive Data
File because its XBRL tags are embedded within
the Inline XBRL document

101.SCH   XBRL Taxonomy Extension Schema

101.CAL

  XBRL Taxonomy Extension Calculation Linkbase    

101.LAB

  XBRL Taxonomy Extension Label Linkbase

101.PRE

XBRL Taxonomy Extension Presentation
Linkbase

101.DEF

  XBRL Taxonomy Extension Definition Linkbase

104

Cover Page Interactive Data File - formatted in
Inline XBRL and included as Exhibit 101

_______________________________________

+   Management contract or corporate plan or arrangement

Supplemental Information

X

X

X

X

X

X

X

X

No Annual Report to stockholders or proxy materials has been furnished to stockholders as of the date of this report. The Annual Report to
stockholders and proxy material will be furnished to our stockholders after the filing of this Annual Report on Form 10-K and we will furnish such
material to the SEC at that time.

87

 
 
 
 
 
 
 
 
 
 
 
   
   
   
   
 
   
   
   
   
 
   
   
   
 
   
   
   
   
 
 
   
   
   
   
 
   
   
   
   
 
 
   
   
   
   
 
Table of Contents

FORM 10-K CROSS-REFERENCE INDEX

Item 1

Item 1A

Item 1B

Item 2

Item 3

Item 4

Item 5

Item 6

Item 7

Item 7A

Item 8

Item 9

Item 9A

Item 9B

Item 10

Item 11

Item 12

Item 13

Item 14

Business

Risk Factors

Unresolved Staff Comments

Properties

Legal Proceedings

Mine Safety Disclosures

PART I

PART II

Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity
Securities

Selected Financial Data

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Quantitative and Qualitative Disclosures About Market Risk

Financial Statements and Supplementary Data

Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

Controls and Procedures

Other Information

Directors, Executive Officers and Corporate Governance

Executive Compensation

PART III

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

Certain Relationships and Related Transactions, and Director Independence

Principal Accountant Fees and Services

Item 15

Signatures

Exhibits, Financial Statement Schedules

PART IV

88

Page

4

11

None

10

25

Not Applicable

25; 27

25

28

39

42

None

80

None

82

82

82

83

83

83

89

 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

SIGNATURES

Pursuant to the requirements of the Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be
signed on its behalf by the undersigned, thereunto duly authorized, on February 10, 2020.

ILLUMINA, INC.

By 

89

/s/  FRANCIS A. DESOUZA

Francis A. deSouza
President and Chief Executive Officer

 
 
 
 
 
 
 
Table of Contents

February 10, 2020

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENT, that each person whose signature appears below constitutes and appoints Francis A. deSouza and
Sam A. Samad, and each or any one of them, his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution,
for him and in his or her name, place and stead, in any and all capacities, to sign any and all amendments to this Annual Report on Form 10-K, and
to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto
said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and
necessary to be done in connection therewith, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming
all that said attorneys-in-fact and agents, or any of them, or their, his, or her substitutes or substitute, may lawfully do or cause to be done by virtue
hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report on Form 10-K has been signed below by the following
persons on behalf of the registrant and in the capacities and on the dates indicated.

/s/  FRANCIS A. DESOUZA

Francis A. deSouza

/s/  SAM A. SAMAD

Sam A. Samad

/s/  KAREN MCGINNIS

Karen McGinnis

/s/  JAY T. FLATLEY

Jay T. Flatley

/s/  FRANCES ARNOLD

Frances Arnold

/s/  CAROLINE D. DORSA

Caroline D. Dorsa

/s/ ROBERT S. EPSTEIN

Robert S. Epstein

/s/ SCOTT GOTTLIEB

Scott Gottlieb, M.D.

/s/  GARY S. GUTHART

Gary S. Guthart, Ph.D.

/s/  PHILIP W. SCHILLER

Philip W. Schiller

/s/  SUSAN E. SIEGEL

Susan E. Siegel

/s/  JOHN W. THOMPSON

John W. Thompson

President, Chief Executive Officer, and Director
(Principal Executive Officer)

February 10, 2020

Senior Vice President and Chief Financial Officer
(Principal Financial Officer)

February 10, 2020

Vice President and Chief Accounting Officer
(Principal Accounting Officer)

February 10, 2020

Chairman of the Board of Directors

February 10, 2020

Director

Director

Director

Director

Director

Director

Director

Director

90

February 10, 2020

February 10, 2020

February 10, 2020

February 10, 2020

February 10, 2020

February 10, 2020

February 10, 2020

February 10, 2020

 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
 
   
   
 
 
   
   
CONFIDENTIAL

Fourth Amendment to Pooled Patents Agreement

This  Fourth  Amendment  to  the  Pooled  Patents  Agreement  (the  “Fourth  Amendment”)  is  effective  as  of  the  date  of  last
signature found below (“Fourth Amendment Effective Date”) between Illumina, Inc., a Delaware corporation having a place of
business at 5200 Illumina Way, San Diego, CA 92122 ("Illumina") and Sequenom, Inc., a Delaware corporation, having a place of
business at 3595 John Hopkins Court, San Diego CA 92121 (“Sequenom”). Sequenom and Illumina may be referred to herein as
“Party” or “Parties.”

WHEREAS,  the  Parties  entered  into  the  Pooled  Patents  Agreement,  dated  December  2,  2014,  as  amended  via  a  First
Amendment dated April 21, 2016, via a Second Amendment dated April 17, 2017, and via a Third Amendment dated August 28,
2017 (“Agreement”);

WHEREAS, the Parties desire to amend certain license grants under the Agreement; and

WHEREAS, for good and valuable consideration, the Parties agree to amend the Agreement as follows:

1. Section 2.1 is deleted in its entirety and replaced with the following:

2.1    Rights Under Pooled Patents Generally. This Section 2.1 is not intended to, and does not, convey any license
rights  under  any  Pooled  Patent.  In  the  event  of  any  conflict  between  the  language  in  this  Section  2.1  and  the
provisions of any Ancillary Agreement granting a license under any Pooled Patent, or the licenses granted pursuant to
Sections 2.2 (License to Sequenom Under Illumina Owned Patents) and 2.3 (Licenses to Illumina Under Sequenom
Owned Patents and Isis Patents) of this Agreement, the applicable provisions in the Ancillary Agreement, Section 2.2,
or Section 2.3 shall control.

(a)    Illumina Rights. Pursuant and subject to this Agreement (including the license grants in Sections 2.2 and 2.3),
and  the  Ancillary  Agreements,  and  the  rights  retained  by  Sequenom  (and  by  Isis  and  its  Affiliates  as  described  in
Schedule 7.1(b)) under the Sequenom Patents, Illumina will have:

(i)    the exclusive (even as to the Sequenom Parties), worldwide, sublicensable right under the Pooled Patents

to Exploit NIPT IVD Products in the NIPT IVD Field,

(ii)        the  exclusive,  worldwide,  sublicensable  right  under  the  Pooled  Patents  (excluding  the  Isis  Patents)  to
Exploit NIPT LDT Tests in the NIPT LDT Field, subject to the non-exclusive rights granted to, or reserved by, the
Sequenom Parties, and

(iii)    the nonexclusive, worldwide, sublicensable right under the Isis Patents to Exploit NIPT LDT Tests in

the NIPT LDT Field.

Notwithstanding the foregoing, for the avoidance of doubt:

(1)    each of Sections 2.1(a)(i), 2.1(a)(ii) and 2.1(a)(iii) is subject to any and all applicable terms in the
CUHK  Licenses,  including  without  limitation  any  territory  restrictions  and  rights  reserved  by  CUHK
thereunder,

(2)        each  of  Sections  2.1(a)(i),  2.1(a)(ii)  and  2.1(a)(iii)  is  subject  to  Section  2.8  (Conditions  for

Illumina Grant of Licenses Under Pooled Patents), and

(3)    Section 2.1(a)(ii) is subject to rights granted under Existing Sequenom Licenses.

(b)    Sequenom Rights. Pursuant and subject to this Agreement (including the license grants in Sections 2.2 and 2.3,
the exclusive rights of Illumina in Section 2.8(f)), the Ancillary Agreements, and the rights retained by the Sequenom
Parties under the Isis Patents:

(i)    neither Sequenom nor any of its Affiliates will have any rights under the Pooled Patents (including under

the Isis Patents) to Exploit NIPT IVD Products anywhere in the world,

(ii)    the Sequenom Parties will have a non-exclusive, worldwide, non-sublicensable right under the Pooled
Patents to Exploit NIPT LDT Tests in the NIPT LDT Field, except that, with respect to the Isis Patents, the Sequenom
Parties will have the right to grant sublicenses to Persons that are not Sequencing Platform Manufacturers and thereby
authorize, only under the Isis Patents, each such sublicensee to Exploit NIPT LDT Tests in the NIPT LDT Field in
that sublicensee’s, or as applicable its Affiliates’, clinical laboratory,

(iii)        the  Sequenom  Parties  will  retain  the  rights  under  the  Isis  Patents,  subject  to  the  rights  granted  to
Illumina under the Isis Patents (exclusive to Exploit NIPT IVD Products in the NIPT IVD Field, and nonexclusive to
Exploit NIPT LDT Tests in the NIPT LDT Field).

Notwithstanding  the  foregoing,  for  the  avoidance  of  doubt,  (A)  Sequenom  acknowledges  and  agrees  that  the
Sequenom Parties do not have any rights under Pooled Patents with respect to Exploiting NIPT IVD Products, and
(B) each of Sections 2.1(b)(ii) and 2.1(b)(iii) is subject to:

(1)    rights granted under Existing Sequenom Licenses, and

(2)        any  and  all  applicable  terms  in  the  University  Licenses,  including  without  limitation  any  field
limitations, any territory restrictions and rights reserved by the applicable University Licensor thereunder or
Isis.

2. Section 2.3 of the Agreement is deleted in its entirety and replaced with the following:

2.3    License to Illumina Under Sequenom Owned Patents and Isis Patents.

(a)    On the terms and conditions of this Agreement, Sequenom, on behalf of itself and its Affiliates, hereby grants to
Illumina  an  exclusive,  irrevocable  and  perpetual  (subject  to  Section  2.3(b)),  non-transferable  and  non-assignable
(except as permitted under Section 9.1), worldwide license, with the exclusive right to grant sublicenses (including to
its  Affiliates),  under  the  Sequenom  Owned  Patents  and  Isis  Patents,  to  Exploit  NIPT  LDT  Tests  in  the  NIPT  LDT
Field  and to  Exploit  NIPT  IVD  Products  in the  NIPT  IVD Field,  provided that the license is Royalty-bearing with
respect to NIPT IVD Products and the license is Test Fee-bearing  with respect to NIPT LDT Tests. The foregoing
license grant in the NIPT LDT Field is subject to (i) any and all Existing Sequenom Licenses, and (ii) the reservation
of the non-exclusive right, on behalf of Sequenom and its Affiliates, to Exploit NIPT LDT Tests in the NIPT LDT
Field and to grant sublicenses under the Isis Patents to Persons that are not Sequencing Platform

Manufacturers for each such sublicensee to Exploit NIPT LDT Tests in the NIPT LDT Field in its, or as applicable its
Affiliates’, clinical laboratories.

(b)    Any sublicense of the rights set forth in Section 2.3(a) granted to any Affiliate of Illumina shall automatically
terminate with respect to such Person when it ceases to be an Affiliate of Illumina. The Parties agree that any license
granted to any Affiliate of Illumina under Section 2.3(a) of the Agreement prior to the Fourth Amendment Effective
Date is hereby terminated. On and after the Fourth Amendment Effective Date, any rights granted to an Affiliate of
Illumina under Section 2.3(a) shall be granted by way of sublicense.

(c)    Sequenom agrees on behalf of itself, its Affiliates, and their respective successors and assigns that, to the extent
any such Sequenom Affiliate (a “Granting Sequenom Affiliate”) is the owner (including joint owner) or in-licensee
of any Pooled Patents for which Illumina has been granted rights hereunder (including under Ancillary Agreements),
or has granted rights hereunder (including under Ancillary Agreements) to Illumina, such rights granted to Illumina
(i) shall not terminate following the date, if any, that such Granting Sequenom Affiliate ceases to be an Affiliate of
Sequenom  and  that  such  rights  shall  continue  to  be  perpetual  and  irrevocable  on  and  after  such  date,  subject  to
Section 2.3(b) and (ii) to the extent Illumina received rights only from a Granting Sequenom Affiliate under Pooled
Patents  and  not  from  Sequenom  or  another  Affiliate  that  is  not  a  Granting  Sequenom  Affiliate,  such  rights  shall
become a direct license from Sequenom under Sequenom Patents.

3. Section 2.8(a) of the Agreement is deleted in its entirety and replaced with the following:

(a)     Test Fee; Conveyance of Customer License to Illumina Customers. Subject to the terms and conditions of this
Agreement  (including  Section  2.8(f)  (Non-Illumina  Platforms)  and  Section  2.9(a)(i)  (Sequenom  Granting  Licenses
Under Isis Patents), and rights expressly retained by Sequenom to grant sublicenses to Persons to Exploit NIPT LDT
Tests  in  the  NIPT  LDT  Field  in  such  Person’s,  or  as  applicable  its  Affiliates’,  clinical  laboratory  under  the  Isis
Patents), Illumina has the exclusive right to grant licenses to perform NIPT LDT Tests in the NIPT LDT Field to any
Person  under  any  and  all  the  Pooled  Patents,  provided  the  license  obligates  the  Person  to  pay  a  Test  Fee  on  terms
consistent  with  Section  3.2  of  this  Agreement  (each  a  “New  Illumina  Licensee”).  Subject  to  the  immediately
preceding sentence, including obligations regarding Test Fees, Illumina may grant licenses under Pooled Patents to
Illumina Customers who purchase Illumina Products, which licenses authorize the Illumina Customer, with each unit
of consumable Illumina Product purchased, to Exploit, including a subset of the rights constituting Exploitation, NIPT
LDT Tests in the NIPT LDT Field using Illumina Products (each such license an “Illumina Customer License”).

4. Section 5.1(b) of the Agreement is deleted in its entirety and replaced with the following:

(b)    Right to Take Action. Subject to Section 5.1(f) (Secondary Enforcement Rights) and Section 5.1(d) (University
Licensors) and any applicable University License, as between Sequenom and Illumina and their respective Affiliates,
Illumina  shall  have  the  sole  right  (which  it  may  exercise  through  its  Affiliates  at  its  sole  discretion),  at  its  sole
expense,  to  enforce  the  Pooled  Patents  (including  the  right  to  sue  for  and  collect  damages  relating  to  any  acts
occurring before, on, or after the Fourth Amendment Effective Date, subject to Section 5.1(c)) against Third Parties
that Exploit NIPT LDT Tests in the NIPT LDT Field and against Third Parties that Exploit NIPT IVD Products in the
NIPT  IVD  Field,  except  to  the  extent  (i)  such  sole  right  is  inconsistent  with  an  applicable  Ancillary  Agreement  or
University License, (ii) that Sequenom and its Affiliates retains the enforcement rights under the Isis Patents in the
NIPT LDT Field, or (iii) subject to Section 5.1(e) (Existing Litigation). Subject to the

foregoing, solely with respect to infringement of the Isis Patents in the NIPT LDT Field, Sequenom, and in all other
cases, Illumina, will have the sole right to determine whether or not to take whatever legal or other action is required
in response to activities described under Section 5.1(a), including such activities of which Sequenom becomes aware
and  provides  notice  under  Section  5.1(a)  (“Protective  Action”).  If  the  applicable  Party  determines  in  its  sole
discretion  that  such  Protective  Action  is  warranted,  then  such  Party  or  its  Affiliates  shall,  at  such  Party’s  expense,
commence and prosecute and control such Protective Action. The other Party may be represented by counsel of its
own  selection  at  its  own  expense  in  such  Protective  Action  to  the  extent  it  is  a  party  of  record  in  such  Protective
Action, provided that such counsel shall not in any way control such Protective Action.

Except as expressly modified herein, the Agreement shall remain in full force and effect in accordance with its terms. All capitalized
terms not defined in this Fourth Amendment shall have the meaning ascribed to them in the Agreement.

IN WITNESS WHEREOF, the Parties have signed this Fourth Amendment as of the dates indicated below.

ILLUMINA

By:

Name:

Title:

Date:

/s/ Jeff Eidel

Jeff Eidel

VP, Corporate & Business Development

3/15/2018

  SEQUENOM

  By:
  Name:
  Title:
  Date:

/s/ Michael Minahan

Michael Minahan

Sr VP

3/15/2018

    
CERTAIN CONFIDENTIAL INFORMATION HAS BEEN OMITTED

Fifth Amendment to Pooled Patents Agreement

This Fifth Amendment to the Pooled Patents Agreement (the “Fifth Amendment”) is effective as of the date of last signature
found below (“Fifth Amendment Effective Date”)  between  Illumina,  Inc.,  a Delaware  corporation  having  a place  of business  at
5200 Illumina Way, San Diego, CA 92122 ("Illumina") and Sequenom, Inc., a Delaware corporation, having a place of business at
3595 John Hopkins Court, San Diego CA 92121 (“Sequenom”). Sequenom and Illumina may be referred to herein as “Party” or
“Parties.”

WHEREAS,  the  Parties  entered  into  the  Pooled  Patents  Agreement,  dated  December  2,  2014,  as  amended  via  the  First
Amendment dated April 21, 2016, Second Amendment dated April 17, 2017, Third Amendment dated August 28, 2017, and Fourth
Amendment dated March 15, 2018 (“Agreement”);

WHEREAS, the Parties have been discussing a lowering of Test Fees in accordance with Section 3.2(c)(iii), and have now

reached agreement in accordance with Sections 3.2(c)(iii)(1) and (3);

WHEREAS,  the  Parties  desire  to  amend  the  Agreement  to  permit  lower  Test  Fees  to  be  paid  by  certain  companies,  as

identified herein;

WHEREAS,  the  Parties  also  desire  to  amend  the  Agreement  to  modify  the  schedule  on  which  Licensed  NIPT  LDT  Test

volumes are assessed for purposes of determining Test Fees; and

WHEREAS, for good and valuable consideration, the Parties agree to amend the Agreement as follows:

1. The definition of “Authorized Lab” is deleted in its entirety and replaced with:

“Authorized Lab” has the meaning set forth in Section 3.2(a)(ii).

2. Section 3.2(c)(i) is deleted in its entirety and replaced with:

Except as expressly stated otherwise in this Agreement (including in Section 3.2(c)(ii) (Exceptions to Amount of Test
Fee), Section 2.8(e) (Third Parties in Litigation with Illumina), Section 2.8(f) (Non-Illumina Platforms) and
Section 2.9(c) (Settlement with Existing Sequenom Litigants)), each Illumina Party or Sequenom Party shall enter
into written agreements with Persons it grants rights, licenses, or authorizations as an Authorized Labs such that the
Authorized Lab is obligated to pay Test Fees on a quarterly basis, and Sequenom Parties and Illumina Parties shall be
obligated to pay Test Fees on a quarterly basis. (A) Except as stated below with respect to Licensed NIPT LDT Test
for which the Test Fee is equal to 10% of Net LDT Sales thereof (as a result of being the greater of 10% of Net LDT
Sales or the amount on the table in Section 3 of Schedule 1), on a semiannual basis, the amount of Test Fee payable
by each Authorized Lab for Licensed NIPT Tests shall be established to be no lower than the Test Fee amount on
Schedule 1, Section 3 corresponding to the annualized volume of Licensed NIPT LDT Tests that Authorized Lab
performed (a) in the first two quarters of a calendar year to determine the amount of Test Fees that shall be payable by
an Authorized Lab for Licensed NIPT LDT Tests performed in the remainder of the calendar year, and (b) in the
second two quarters of a

calendar year to determine the amount of Test Fees that shall be payable by an Authorized Lab for Licensed NIPT
LDT Tests performed in the first two quarters of the following calendar year. Any new Authorized Lab receiving the
right to perform Licensed NIPT LDT Tests shall pay Test Fees for Licensed NIPT LDT Tests that are no lower than
the amount of Test Fee on Schedule 1, Section 3 that corresponds to the good faith estimate of the volume that
Authorized Lab will achieve at the end of the first complete half-year period (either the first two quarters or second
two quarters of a calendar year, as the case may be) until after the end of such first complete half-year period, at
which point the Authorized Lab will begin paying Test Fees based on the actual volume reported during the first full
half-year period (and each preceding half-year period thereafter). The quarterly Test Fees for an Authorized Lab shall
be in amounts that result in at least the product of (1) the number of Licensed NIPT LDT Tests performed by that
Authorized Lab in that quarter with (2) the Test Fee amount in effect for that Authorized Lab in that quarter, plus an
amount equal to the product of the annual number of Licensed NIPT LDT Tests in (1) that are subject to the
additional $20 fee as set forth on Schedule 1 multiplied by $20. (B) With respect to each Licensed NIPT LDT Test for
which the Test Fee is equal to 10% of Net LDT Sales thereof (as a result of being the greater of 10% of Net LDT
Sales or the amount on the table in Section 3 of Schedule 1), the quarterly Test Fees shall be 10% of Net LDT Sales
thereof for that quarter. For the avoidance of doubt, notwithstanding the minimum amounts payable in accordance
with the first sentence of this Section 3.2(c), the full amount of all Test Fees collected by Illumina and Sequenom
from Authorized Labs shall be shared between the Parties as set forth in Section 3.2(d) (Sharing of Test Fee
Amounts.)

Notwithstanding the foregoing schedule, the Parties acknowledge that Illumina has entered into agreements with
Authorized Labs reflecting the annual Test Fee calculations pursuant to the terms of the Agreement prior to the Fifth
Amendment. Illumina will not be required to amend those existing agreements or alter its obligations with respect to
those Authorized Labs under those existing agreements, but Illumina will in good faith attempt to amend those
agreements to match the updated Test Fee calculation schedule set forth above on a going-forward basis when
Illumina otherwise amends or renews such agreements.

3. Schedule 1 is deleted in its entirety and replaced with the attached new Schedule 1. For clarity, Schedule 1A and 1B remain

unchanged.

Except as expressly modified herein, the Agreement shall remain in full force and effect in accordance with its terms. All capitalized
terms not defined in this Fifth Amendment shall have the meaning ascribed to them in the Agreement.

IN WITNESS WHEREOF, the Parties have signed this Fifth Amendment as of the dates indicated below.

ILLUMINA
By:
Name:

Title:
Date:

/s/ Jeffrey S. Eidel
Jeffrey S. Eidel
Head of Corporate & Business
Development
4/12/2019

SEQUENOM

  By:
  Name:

/s/ Michael F Minahan
Michael F. Minahan

Title:
  Date:

Sr. Vice President & General Manager
4/12/2019

 
Schedule 1

[***]

*** Indicates confidential information omitted from the exhibit

SEPARATION AGREEMENT

AND GENERAL RELEASE OF ALL CLAIMS

This Separation Agreement and General Release of All Claims (“Agreement”) is made by and between Illumina, Inc.

(“Illumina” or “the Company”) and Garret Hampton (“Executive”) collectively (“the Parties”), with respect to the following facts:

A.
B.
C.

Executive is employed by the Company as a Senior Vice President, Clinical Genomics.
Executive’s employment will end effective January 10, 2020 (“Separation Date”).
The Company wishes to assist Executive in his transition to other employment and has offered to provide

Executive with a severance payment as described below.

THEREFORE, in consideration of the promises and mutual agreements hereinafter set forth, it is agreed by and

between the undersigned as follows:

1.     Severance.

1.1    The Company agrees to pay Executive a Severance Payment equivalent to twelve (12) months of his normal
wages, in the gross amount of Five-Hundred, Sixty Thousand Dollars and Zero Cents ($560,000.00), less all appropriate federal
and state tax withholdings, to which Executive is not otherwise entitled ("Severance Payment"). Executive acknowledges and
agrees that this Severance Payment constitutes adequate legal consideration for the promises and representations made by him
in this Agreement. Subject to the provisions below, the Severance Payment will be made in a lump sum payment within thirty
(30) days after all of the following: (1) Executive has signed all exit paperwork; (2) the Effective Date of this Agreement, as
defined in paragraph 7.4; (3) Executive has initialed each page, signed and returned this Agreement, by email scan or mail to
Sue McGrath at smcgrath@illumina.com or by mail to 5200 Illumina Way, San Diego, CA 92122, Attention: Sue McGrath on or
before the deadline stated in paragraph 9, and; (4) Executive has timely returned to Illumina all Company property in his
possession, custody or control as defined in paragraph 10 of this Agreement.

1.2    The Company agrees to pay for the cost of continued coverage for Executive’s existing medical benefits

through the provisions of the Consolidated Omnibus Budget Reconciliation Act (“COBRA”) for a period of twelve (12)
consecutive months following the termination of his benefits on January 31, 2020 until January 31, 2021. These sums will be
paid directly to Illumina’s carrier provided that the Executive timely and properly completes all required elections directly with
Illumina’s carrier to continue coverage under COBRA. Thereafter, Executive may elect to continue such benefits at his own
expense under the provisions of COBRA. For the avoidance of doubt, Illumina is not liable for and will not reimburse Executive
for out-of-pocket medical expenses if Executive fails to timely and properly elect continuation of coverage through COBRA.

1.3    Executive will receive twelve (12) months of executive physical and services benefits from the Lifewellness

Institute, Scripps Center for Executive Health or an equivalent vendor contracted by Illumina.

1.4    Career Counseling. The Company agrees to provide twelve (12) consecutive months of career counseling

services through Lee Hecht Harrison. Such career counseling benefits must be started within (6) months of the Separation Date,
after such time the right to the services shall expire.

1.5    2019 Variable Compensation Program (VCP). As stated in Illumina’s VCP Administrative document, if an
employee has completed the performance period and is terminated involuntarily not for cause prior to the VCP payment date,
they will be eligible for payment. The performance period for the 2019 VCP is December 31, 2018 to December 29, 2019.

1.6    Receipt of Wages & Expenses. With the exception of the severance benefits described in paragraph 1.1 -

1.4, above, and the 2019 Variable Compensation Program payment, if paid pursuant to the VCP Plan, Executive acknowledges
that he has received all compensation, wages, equity, and/or expense reimbursements owed to him through the Effective Date
of this Agreement, and that he is not entitled to any future payments of any type.

2.    General Release.

2.1    Executive unconditionally, irrevocably and absolutely releases and discharges the Company, and any parent

and subsidiary corporations, divisions and other affiliated entities of the Company, past and present, as well as the Company’s
Executives, officers, directors, agents, attorneys, successors and assigns of the Company (collectively, “Released Parties”),
from all claims related in any way to the transactions or occurrences between them to date to the fullest extent permitted by law
including, but not limited to, Executive’s employment with the Company, the termination of Executive’s employment, and all other
losses, liabilities, claims, demands and causes of action, known or unknown, suspected or unsuspected, arising directly or
indirectly out of or in any way connected with Executive’s employment with the Company. This release is intended to have the
broadest possible application and includes, but is not limited to, any tort, contract, common law, constitutional or other statutory
claims, any claim for unpaid wages, commissions, bonuses or other employment benefits, as well as alleged violations of the
California Labor Code or the federal Fair Labor Standards Act, Title VII of the Civil Rights Act of 1964 and the California Fair
Employment and Housing Act, the Americans with Disabilities Act, the Age Discrimination in Employment Act of 1967, as
amended, and all claims for attorneys’ fees, costs and expenses. However, this release shall not apply to claims for workers’
compensation benefits, unemployment insurance benefits, or any other claims that cannot lawfully be waived.

2.2    Executive acknowledges that he may discover facts or law different from, or in addition to, the facts or law

that he knows or believes to be true with respect to the claims released in this Agreement and agrees, nonetheless, that this
Agreement and the release contained in it shall be and remain effective in all respects notwithstanding such different or
additional facts or the discovery of them.

2.3    Executive declares and represents that he intends this Agreement to be final and complete and not subject

to any claim of mistake. Executive executes this release with the full knowledge that this release covers all possible claims
against the Released Parties, to the fullest extent permitted by law.

2.4    Executive expressly waives his right to recover any type of personal relief from the Company, including

monetary damages or reinstatement, in any administrative action or proceeding, whether state or federal, and whether brought
by Executive or on Executive’s behalf by an administrative agency, related in any way to the matters released herein. Nothing in
this paragraph is intended to prevent or discourage the Executive from communicating with any state or federal governmental
agency.

2.5    Executive declares and represents that as of the Effective Date of this Agreement he is not aware of any

violations of any applicable rules, regulations and/or laws by Company or any employee of Company; or that if he is aware of or
is concerned about any such violations, he has reported those to Company.

3.    California Civil Code Section 1542 Waiver. Executive expressly acknowledges and agrees that all rights under

Section 1542 of the California Civil Code are expressly waived. That section provides:

A GENERAL RELEASE DOES NOT EXTEND TO CLAIMS THAT THE CREDITOR OR RELEASING PARTY
DOES NOT KNOW OR SUSPECT TO EXIST IN HIS OR HER FAVOR AT THE TIME OF EXECUTING THE
RELEASE AND THAT, IF KNOWN BY HIM OR HER, WOULD HAVE

MATERIALLY AFFECTED HIS OR HER SETTLEMENT WITH THE DEBTOR OR RELEASED PARTY.

Executive understands that he is a “creditor” within the meaning of Section 1542.

4.    Representation Concerning Filing of Legal Actions. Executive represents that, as of the date of this Agreement, he
has not filed any lawsuits, complaints, petitions, claims or other accusatory pleadings against the Company or any of the other
Released Parties in any court. Executive further agrees that, to the fullest extent permitted by law, he will not prosecute in any
court, whether state or federal, any claim or demand of any type related to the matters released above, it being the intention of
the parties that with the execution of this release, the Released Parties will be absolutely, unconditionally and forever discharged
of and from all obligations to or on behalf of Executive related in any way to the matters discharged herein Nothing in this
agreement shall prevent the Executive from complying with a lawfully issued subpoena or from communicating with a state or
federal governmental agency.

5.    No Admissions. By entering into this Agreement, the Released Parties make no admission that they have engaged, or
are now engaging, in any unlawful conduct. The parties understand and acknowledge that this Agreement is not an admission of
liability and shall not be used or construed as such in any legal or administrative proceeding.

6.    Agreement to Cooperate. Executive agrees that he will, in good faith and with due diligence, assist in, facilitate and

cooperate with the Company and provide information as to matters which he was personally involved, or has information on,
while he was an Executive of the Company and which become the subject of an action, investigation, proceeding, litigation or
otherwise. Executive shall make himself available, upon reasonable notice, to be interviewed, give sworn testimony and
statements, declarations, trial testimony and other such disclosures. Nothing herein is intended or should be construed as
requiring anything other than Executive’s cooperation in providing truthful and accurate information.

7.    Older Workers’ Benefit Protection Act. This Agreement is intended to satisfy the requirements of the Older Workers’

Benefit Protection Act, 29 U.S.C. sec. 626(f). The following general provisions, along with the other provisions of this Agreement,
are agreed to for this purpose:

7.1    Executive acknowledges and agrees that he has read and understands the terms of this Agreement.

7.2    Executive is advised that he should consult with an attorney before signing this Agreement, and Executive

acknowledges that he has obtained and considered any legal advice he deems necessary, such that he is entering into this
Agreement freely, knowingly and voluntarily.

7.3    Executive acknowledges that he has been given at least twenty-one days in which to consider whether or not

to enter into this Agreement. Executive understands that, at his option, Executive may elect not to use the full 21-day period.

7.4    This Agreement shall not become effective or enforceable until the eighth day after Executive signs this

Agreement. In other words, Executive may revoke his acceptance of this Agreement within seven days after the date he signs it.
Executive's revocation must be in writing and received by Sue McGrath of Illumina by 5:00 p.m. on the seventh day in order to
be effective. If Executive does not revoke acceptance within the seven day period, Executive's acceptance of this Agreement
shall become binding and enforceable on the eighth day (“Effective Date”).

7.5    This Agreement does not waive or release any rights or claims that Executive may have under the Age

Discrimination in Employment Act that arise after the execution of this Agreement.

7.6    Executive may not sign this Agreement until after the Separation Date. If he signs this Agreement prior to the

Separation Date, this Agreement shall be null and void.

8.    Severability. In the event any provision of this Agreement shall be found unenforceable by a court of competent
jurisdiction, the provision shall be deemed modified to the extent necessary to allow enforceability of the provision as so limited,
it being intended that the Released Parties shall receive the benefits contemplated herein to the fullest extent permitted by law. If
a deemed modification is not satisfactory in the judgment of such court, the unenforceable provision shall be deemed deleted,
and the validity and enforceability of the remaining provisions shall not be affected thereby.

9.    Deadline For Signature. This Agreement constitutes an offer to Executive, which must be accepted by Executive and
returned to the Company by no later than 21 days after the Separation Date, after which date the offer shall lapse and be of no
further force or effect.

10.    Return of Company Property. Executive understands and agrees that as a condition of receiving the Severance

Payment, all Company property still in Executive’s possession, if any, must be immediately returned to the Company. By signing
this Agreement, Executive represents and warrants that Executive has or will have returned such Company Property no later
than Executive’s Separation Date, including any Company issued or provided credit cards, computers, vehicles, tangible
property and equipment, keys, entry cards, identification badges, telephones, PDAs, and all documents, paper or electronic files,
folders, correspondence, memoranda, notes, notebooks, drawings, books, records, plans, forecasts, reports, proposals,
agreements, financial information, computer-recorded information, as well as all copies thereof, electronic or otherwise.
Executive agrees that if, after signing this Agreement, he discovers Company Property in his possession that he will notify
Illumina’s General Counsel immediately of the discovery and within 5 business days, return any such property as directed by the
General Counsel.

11.    Nondisclosure and Non-Use of Company Confidential Information. Executive acknowledges and agrees that, by

reason of his high-level, sensitive position with the Company, he has been given access to the Company’s most confidential and
proprietary documents, materials and information, including those regarding the Company's products, strategic plans and
litigation strategies, research, business affairs, and personnel matters, which he acknowledges and agrees are of a highly
sensitive and confidential nature and considered trade secrets and/or proprietary to the Company. Such information, documents
and materials may include, without limitation, trade secrets, inventions, research, plans, proposals, acquisitions or divestitures,
marketing and sales programs, litigation strategies, financial projections, cost summaries, pricing formulas and all concepts or
ideas, materials or information related to the products, research, business or sales of the Company or the Company's customers
or business partners, as well as the Company’s personnel matters, which has not previously been released to the public at large
by an authorized representative of the Company. Executive represents that he has held all such information confidential and will
continue to do so, and that he will not use such confidential or proprietary information and/or documents for any purpose
whatsoever. Executive understands that this obligation of confidentiality continues even after the Separation Date. Executive
also reaffirms his agreement to all of his obligations under the Proprietary Information and Invention Agreement signed by him at
or about his date of hire. The Parties expressly incorporate said agreement into this Settlement Agreement.

Executive  acknowledges  and  agrees  that  disclosure  and/or  use  of  any  such  confidential  information  would  cause
irreparable harm to the Company, which could not be adequately or reasonably compensated in damages in an action at law.
Accordingly,  in  the  event  of  such  disclosure  or  use  (whether  actual  or  threatened),  Executive  agrees  that  the  Company,  in
addition  to  exercising  any  other  rights  and  remedies  available  to  it  under  this  Agreement  or  otherwise,  is  entitled  to  obtain
injunctive relief and other equitable relief from a court of competent jurisdiction restraining Executive from such disclosure and
use.

12.    Applicable Law. The validity, interpretation and performance of this Agreement shall be construed and interpreted

according to the laws of the United States of America and the State of California.    

13.    Binding on Successors. The parties agree that this Agreement shall be binding on, and inure to the benefit of his or

its successors, heirs and/or assigns.

14.    Full Defense. This Agreement may be pled as a full and complete defense to, and may be used as a basis for an
injunction against, any action, suit or other proceeding that may be prosecuted, instituted or attempted by Executive in breach
hereof. Executive agrees that in the event an action or proceeding is instituted by the Released Parties in order to enforce the
terms or provisions of this Agreement, the Released Parties shall be entitled to an award of reasonable costs and attorneys’ fees
incurred in connection with enforcing this Agreement. The terms of this paragraph shall not apply to an action by Executive to
challenge the enforceability of Executive’s waiver of rights under the Age Discrimination in Employment Act.

15.    Good Faith. The parties agree to do all things necessary and to execute all further documents necessary and

appropriate to carry out and effectuate the terms and purposes of this Agreement.

16.    Entire Agreement; Integration. This Agreement contains the entire agreement between the Company and the

Executive on the subjects addressed in this Agreement and replaces any other prior agreements or representations, whether
oral or written, between them; provided, however, that the Proprietary Information and Invention Agreement executed by
Executive remains in full force and effect and is not superseded by this Agreement.

17.    Modification. This Agreement may be amended only by a written instrument executed by all parties hereto.

18.    Counterparts. This Agreement may be executed in counterparts and shall be binding on all parties when each has

signed either an original or copy of this Agreement.

19.    Confidentiality. Except where disclosure is required by law, Executive agrees that the terms and conditions of this

Agreement shall remain confidential as between the parties and he shall not disclose them to any other person, including but not
limited, to any current or former Illumina employee. Executive also agrees that he will not respond to, participate in, or contribute
to any public discussion or other publicity concerning, or in any way relating to, execution of this Agreement or the events
(including any negotiations) leading to its execution. Without limiting the foregoing, the Executive may disclose the terms and
conditions of this Agreement to his wife, attorneys and/or financial advisors provided he informs them of this confidentiality
provision and they agree to abide by it. A violation of this section 19 shall be a material breach of this Agreement.

20.    Non-Disparagement. Neither Executive, nor anyone subject to his direction or control, will make any negative,

derogatory or disparaging statements, publications or comments, regarding his employment with the Company or the business
reputation or business practices of the Company and/or the Released Parties to any person or entity. This section will in no way
prevent Executive from testifying truthfully pursuant to an enforceable subpoena. Company agrees that none of its executive
officers, nor anyone subject to their direction or control will make any negative, derogatory or disparaging statements,
publications or comments regarding Executives employment with Company. This restriction will in no way prevent any executive
officer from testifying truthfully pursuant to an enforceable subpoena. Further, nothing in this Agreement is intended to
suppress or limit Employee’s right to testify in any administrative, legislative or judicial forum about alleged criminal
conduct or sexual harassment, or to prevent the disclosure of factual information related to claims filed in a civil or
administrative action regarding sexual assault, sexual harassment or other forms of sex-based

workplace harassment, discrimination or retaliation, to the extent such communications are expressly protected under
California law.

21.     Section 409(A) of the Internal Revenue Code. Notwithstanding anything herein to the contrary, if Executive is a
“Specified Employee,” for purposes of Section 409A of the Internal Revenue Code (“Section 409A”), on the date on which he
incurs a Separation from Service, any payment or benefit provided in this Agreement that provides for the “deferral of
compensation” within the meaning of Section 409A shall not be paid or provided or commence to be paid or provided on any
date prior to the first business day after the date that is six months following Executive’s “Separation from Service” (the “409A
Suspension Period”); provided, however, that a payment or benefit delayed pursuant to the preceding clause shall commence
earlier in the event of Executive’s death prior to the end of the six-month period. Within 14 calendar days after the end of the
409A Suspension Period, Executive shall be paid a lump sum payment in cash equal to any payments delayed because of the
preceding sentence. Thereafter, Executive shall receive any remaining benefits as if there had not been an earlier delay. For
purposes of this Agreement, “Separation from Service” shall have the meaning set forth in Section 409A(a)(2)(i)(A) of the
Internal Revenue Code and shall be determined in accordance with the default rules under Section 409A. “Specified Employee”
shall have the meaning set forth in Section 409A(a)(2)(B)(1) of the Internal Revenue Code, as determined in accordance with
the uniform methodology and procedures adopted by the Company and then in effect.

THE PARTIES TO THIS AGREEMENT HAVE READ THE FOREGOING AGREEMENT AND FULLY UNDERSTAND EACH
AND EVERY PROVISION CONTAINED HEREIN. WHEREFORE, THE PARTIES HAVE EXECUTED THIS AGREEMENT ON
THE DATES SHOWN BELOW.

Dated: 11/25/2019                By: /s/ Garret Hampton

Garret Hampton

Dated: 11/25/2019                By: /s/ Aimee Hoyt

Illumina, Inc.
Aimee Hoyt, SVP, Chief People Officer

                            
Name of Subsidiary

  Jurisdiction

  Doing Business As

SUBSIDIARIES OF THE COMPANY

Advanced Liquid Logic Inc.

Edico Genome Corp.

BlueGnome, Ltd.

Epicentre Technologies Corporation

Conexio Genomics Pty Ltd.

FC Ops Corp.

Illumina Australia Pty. Ltd.

  Delaware

  Delaware

  Advanced Liquid Logic Inc.

  Edico Genome Corp.

  United Kingdom

  BlueGnome, Ltd.

  Wisconsin

  Australia

  Delaware

  Australia

  Epicentre Biotechnologies

  Conexio Genomics Pty Ltd.

  FC Ops Corp.

Illumina Australia Pty. Ltd.

Illumina Brasil Produtos de Biotecnologia Ltda.

  Brazil

Illumina Brazil

Illumina Cambridge, Ltd.

Illumina Canada, Inc.

Illumina (China) Scientific Co Ltd

Illumina US Manufacturing Operations, Inc.

Illumina France Holding Sarl

Illumina France Sarl

Illumina Finland Oy

Illumina GmbH

Illumina Hong Kong Limited

Illumina Iceland ehf

Illumina India Biotechnology Private Limited

Illumina Ireland Commercial Limited

Illumina Korea Ltd.

Illumina Italy S.r.l.

Illumina K.K. Japan

Illumina Netherlands B.V.

Illumina Norway AS

Illumina New Zealand Limited

Illumina Rus

Illumina Singapore Pte. Ltd.

Illumina Shanghai (Trading) Co., Ltd.

Illumina Shanghai (Trading) Co Ltd Beijing Branch

Illumina Switzerland GmbH

Illumina Denmark ApS

Illumina Productos de Espana, S.L.U.

Illumina AB

Illumina Belgium BVBA

thromboDx BV

Verinata Health, Inc.

  United Kingdom

Illumina Cambridge, Ltd.

  Canada

  China

  Delaware

  France

  France

  Finland

  Germany

  Hong Kong

Iceland

India

Ireland

  Republic of Korea

Italy

  Japan

  Netherlands

  Norway

  New Zealand

  Russia

  Singapore

  China

  China

  Switzerland

  Denmark

  Spain

  Sweden

  Belgium

  Netherlands

  Delaware

Illumina Canada, Inc.

Illumina China (Scientific) Co Ltd

Illumina US Manufacturing Operations, Inc.

Illumina France Holding Sarl

Illumina France Sarl

Illumina Finland Oy

Illumina GmbH

Illumina Hong Kong Limited

Illumina Iceland ehf

Illumina India Biotechnology Private Limited

Illumina Ireland Commercial Limited

Illumina Korea Ltd.

Illumina Italy S.r.l.

Illumina K.K. Japan

Illumina Netherlands B.V.

Illumina Norway AS

Illumina New Zealand Limited

Illumina Rus

Illumina Singapore Pte. Ltd

Illumina Shanghai (Trading) Co., Ltd.

Illumina Shanghai (Trading) Co Ltd Beijing Branch

Illumina Switzerland GmbH

Illumina Denmark ApS

Illumina Productos de Espana, S.L.U.

Illumina AB

Illumina Belgium BVBA

thromboDx BV

  Verinata Health, Inc.

*All listed subsidiaries are wholly-owned, direct or indirect, subsidiaries of Illumina, Inc.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
We consent to the incorporation by reference in the following Registration Statements:

Consent of Independent Registered Public Accounting Firm

(1) Registration Statements (Form S-3 Nos. 333-111496, 333-125100, 333-134012, 333-144953, 333-145408 and 333-168395) of Illumina, Inc.,
(2) Registration Statement (Form S-4 No. 333-139111) of Illumina, Inc., and
(3) Registration Statements (Form S-8 Nos. 333-42866, 333-69058, 333-88808, 333-104190, 333-114633, 333-124074, 333-125133, 333-
129611, 333-134399, 333-140416, 333-147389, 333-151265, 333-159662, 333-168393, 333-188037, 333-190322 and 333-206215) of
Illumina, Inc.;

of our reports dated February 10, 2020, with respect to the consolidated financial statements of Illumina, Inc. and the effectiveness of internal control
over financial reporting of Illumina, Inc. included in this Annual Report (Form 10-K) of Illumina, Inc. for the year ended December 29, 2019.

San Diego, California
February 10, 2020

/s/ Ernst & Young LLP

 
CERTIFICATION OF FRANCIS A. DESOUZA PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Francis A. deSouza, certify that:

Exhibit 31.1

1

2

3

4

  I have reviewed this Annual Report on Form 10-K of Illumina, Inc.;

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 statements made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in
all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods
presented in this report;

The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)

b)

c)

d)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be
designed under our supervision, to ensure that 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;

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 in accordance with generally accepted
accounting principles;

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered
by this report based on such evaluation; and

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during
the registrant’s most recent fiscal quarter (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; and

5

The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over
financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons
performing the equivalent functions):

a)

b)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial
reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and
report financial information; and

any fraud, whether or not material, that involves management or other employees who have a significant role in
the registrant’s internal control over financial reporting.

Dated: February 10, 2020

By:

  /s/ FRANCIS A. DESOUZA

  Francis A. deSouza

  President and Chief Executive Officer

 
   
 
 
 
   
 
 
 
   
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
   
 
 
 
 
   
 
 
 
 
 
 
 
 
CERTIFICATION OF SAM A. SAMAD PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Sam A. Samad, certify that:

Exhibit 31.2

1

2

3

4

I have reviewed this Annual Report on Form 10-K of Illumina, Inc.;

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 statements made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all
material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods
presented in this report;

The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as
defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)

b)

c)

d)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be
designed under our supervision, to ensure that 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;

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 in accordance with generally accepted accounting
principles;

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered
by this report based on such evaluation; and

disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during
the registrant’s most recent fiscal quarter (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; and

5

The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over
financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons
performing the equivalent functions):

a)

b)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial
reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and
report financial information; and

any fraud, whether or not material, that involves management or other employees who have a significant role in the
registrant’s internal control over financial reporting.

Dated: February 10, 2020

By:

  /s/ SAM A. SAMAD

  Sam A. Samad

  Senior Vice President and Chief Financial Officer

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CERTIFICATION OF FRANCIS A. DESOUZA PURSUANT TO 18 U.S.C. SECTION
1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-
OXLEY ACT OF 2002

In connection with the Annual Report of Illumina, Inc. (the “Company”) on Form 10-K for the year ended December 29, 2019, as filed with the
Securities and Exchange Commission on the date hereof (the “Report”), I, Francis A. deSouza, President and Chief Executive Officer 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.

Dated: February 10, 2020

Exhibit 32.1

This certification accompanying the Report is not deemed filed with the Securities and Exchange Commission for purposes of Section 18 of the
Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities such Section, and is not to be incorporated by reference into
any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made
before, on or after the date of the Report), irrespective of any general incorporation language contained in such filing.

By:

  /s/ FRANCIS A. DESOUZA

  Francis A. deSouza

  President and Chief Executive Officer

 
 
 
 
 
CERTIFICATION OF SAM A. SAMAD PURSUANT TO 18 U.S.C.
SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE
SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Illumina, Inc. (the “Company”) on Form 10-K for the year ended December 29, 2019, as filed with the
Securities and Exchange Commission on the date hereof (the “Report”), I, Sam A. Samad, Senior Vice President and Chief Financial Officer 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.

Dated: February 10, 2020

Exhibit 32.2

By:

  /s/ SAM A. SAMAD

  Sam A. Samad

  Senior Vice President and Chief Financial Officer

This certification accompanying the Report is not deemed filed with the Securities and Exchange Commission for purposes of Section 18 of the
Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities such Section, and is not to be incorporated by reference into
any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made
before, on or after the date of the Report), irrespective of any general incorporation language contained in such filing.