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Advanced Energy Industries

aeis · NASDAQ Industrials
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FY2015 Annual Report · Advanced Energy Industries
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AEIS 2015 Annual Report Letter to Stockholders 

Dear Fellow Stockholders:  

2015 was a year of many accomplishments. Semiconductor revenues reached record highs and we 
achieved double digit growth in revenues, operating income and earnings per share from continuing 
operations. We announced a $150 million stock repurchase plan as part of our capital deployment 
strategy and completed a $50 million accelerated share repurchase as the initial phase. With the wind 
down of the solar inverter manufacturing business now complete, we increase our focus on addressing 
the growing number of critical applications for our precision power products and technologies. Our 
ability to consistently generate cash is enabling us to pursue these opportunities while simultaneously 
repurchasing shares, returning value to our stockholders.  

Our strong semiconductor results this year again exemplify our leading market position as we continue 
to win designs and enable advanced applications for our customers. Our ongoing commitment to 
investing in the development of products and technologies and expanding our core competencies is 
resulting in notable successes. Specifically, these include radio frequency (RF) technology products and 
accessories targeting advanced semiconductor Plasma Processes used in logic and memory applications 
such as 3D NAND and DRAM, FinFET and advanced 3D packaging. As next-generation semiconductor 
devices grow more complex and require more deposition and etch processes, our advanced RF power 
solutions are in increasingly high demand. Our exposure to these areas should allow us to outpace the 
broader wafer fab equipment market.  

While the semiconductor market remains our primary driver, one of our strategic goals is to expand our 
precision power products to address a broader range of industrial applications, both organically and 
inorganically. During the year, we took further steps to integrate our three recent acquisitions by 
leveraging our manufacturing and global distribution channels and further penetrating existing and new 
markets worldwide. We extended our geographic presence by taking our hard coatings business beyond 
the Europe, Middle East and Africa (EMEA) region to India, China and North America. We also 
introduced our thermal products to global channel partners in the US, India and China. By forming 
important new partnerships with large industrial automation companies such as Rockwell Automation 
and Siemens, we are broadening our reach into various industrial markets. We continued to diversify 
our addressable markets, accessing industries such as automotive, consumer electronics and defense for 
hard coating applications. In the high voltage power market, we made significant headway across 
applications such as defense, analytical equipment, mass spectrometry, industrial x-ray and electron 
beam. As we establish footholds in these different applications and geographies, we plan to pursue 
complementary product line acquisitions and continue our expansion into adjacent and new markets.  

Precision Power service continues to be a strategic part of our business. With the high semiconductor 
utilization rates seen in 2015 and the increasing focus on reducing the cost of wafer processing, 
customers are realizing the value of our high quality service programs to lower the total cost of 
ownership of their capital equipment. In conjunction with upgrades and retrofits, our service programs 

 
 
 
 
 
 
as well as our enhanced sales efforts are driving share gains across Asia and North America, which 
should result in steady, sustainable growth. 

In 2015, we unveiled our capital allocation strategy. This program is centered on driving shareholder 
value by investing in long-term growth opportunities and making share repurchases. We intend to use 
70% of our future free cash flow to make organic investments and acquisitions. By continuing to invest 
in R&D and drive technology advances, we are building on our leading position in the core markets we 
serve and should benefit from the anticipated growth in semiconductors driven by the migration to next 
generation devices. With the addition of acquired technologies and products, we are growing our 
presence in various industrial markets – increasing our total available market. With the remaining 30% 
of our future free cash flow, we plan to make share repurchases. 

Overall, we are executing on our strategic plan to accelerate revenue growth, increase earnings per 
share and effectively utilize our cash. With our focus entirely on precision power, we plan to significantly 
broaden our product line, enter and expand into new geographies and address a growing list of 
precision power applications, both organically and inorganically. Together with our consistently strong 
cash generation, we remain committed to effectively deploying our cash and returning value to 
stockholders. Our three year aspirational goals are to achieve revenues of $600 million to $700 million, 
grow Non-GAAP EPS to $3.00 to $3.50 and generate cumulative cash flow of $250 million to $300 
million. We are excited about the many opportunities that lay ahead as we further distinguish ourselves 
from the competition.  

We look forward to reporting our progress and want to thank all of our stockholders for their continued 
support of Advanced Energy. 

Yuval Wasserman 
President & Chief Executive Officer 
Advanced Energy Industries, Inc. 

Forward-Looking Statements 

This letter to stockholders contains forward-looking statements within the meaning of Section 27A of the Securities 
Act of 1933 and Section 21E of the Securities Exchange Act of 1934, including, among others, statements regarding 
our plans and goals, our performance and the performance of our competitors for periods that are not historical, 
ongoing investment, acquisitions and expansion, growth of our business, growth in our market share, growth in the 
markets we serve, share repurchases and cash deployment that are not historical and similar statements. Forward-
looking statements are subject to known and unknown risks and uncertainties that could cause actual results to 
differ materially from those expressed or implied by such statements. Such risks and uncertainties include, but are 
not limited to: (a) the effects of global macroeconomic conditions upon demand for our products; (b) the volatility 
and cyclicality of the industries the company serves, particularly the semiconductor industry; (c) delays in capital 
spending by end-users in our served markets; (d) the accuracy of the company’s estimates related to fulfilling Solar 
inverter product warranty and post-warranty obligations; (e) the company’s ability to realize on its plan to avoid 
additional costs after the Solar inverter wind-down; (f) the accuracy of the company's estimates and assumptions 
on which its financial statement projections are based; (g) the impact of price changes, which may result  from a 
variety of factors; (h) the timing of orders received from customers; (i) the company’s ability to realize benefits 
from cost improvement efforts including avoided costs, restructuring plans and inorganic growth; (j) the company’s 

 
 
 
 
 
 
ability to obtain in a timely manner the materials necessary to manufacture its products; and (k) unanticipated 
changes to management's estimates, reserves or allowances. These and other risks are described in Advanced 
Energy's Form 10-K, Forms 10-Q and other reports and statements filed with the Securities and Exchange 
Commission (the “SEC”). These reports and statements are available on the SEC's website at www.sec.gov. Copies 
may also be obtained from Advanced Energy's investor relations page at http://ir.advanced-energy.com or by 
contacting Advanced Energy's investor relations at 970-407-6555. Forward-looking statements are made and based 
on information available to the company on the date of this letter to stockholders. Aspirational goals and targets 
discussed on the conference call or in the presentation materials should not be interpreted in any respect as 
guidance. The company assumes no obligation to update the information in this letter to stockholders. 

© Copyright 2016 Advanced Energy Industries, Inc.  All rights reserved. 

 
Table of Contents

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 31, 2015.

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: 000-26966

ADVANCED ENERGY INDUSTRIES, INC.

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of incorporation or organization)
1625 Sharp Point Drive, Fort Collins, CO
(Address of principal executive offices)

84-0846841
(I.R.S. Employer Identification No.)
80525
(Zip Code)

Registrant’s telephone number, including area code: (970) 221-4670
Securities registered pursuant to Section 12(b) of the Act:

Title of each class
Common Stock, $0.001 par value

Name of each exchange on which registered
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 

 No 

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 

 No 

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 

 No 

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data 
File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period 
 No 
that the registrant was required to submit and post such files). Yes 

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be 
contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this 
Form 10-K or any amendment to this Form 10-K. 

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 

Accelerated filer 

Non-accelerated filer 
(Do not check if a smaller reporting company)

Smaller reporting company 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).
Yes 

 No 

The aggregate market value of voting and non-voting common stock held by non-affiliates of the registrant was $1,127,440,745 as of June 30, 
2015, based upon the price at which such common stock was last sold on such date. For purposes of this disclosure, shares of common stock 
held by persons who hold more than 5% of the outstanding common stock and common stock held by executive officers and directors of the 
registrant have been excluded because such persons are deemed to be “affiliates” as that term is defined under the rules and regulations 
promulgated under the Securities Act of 1933. This determination is not necessarily conclusive for other purposes.

39,850,932 
(Number of shares of Common Stock outstanding as of February 23, 2016)

DOCUMENTS INCORPORATED BY REFERENCE

Part III of this Annual Report on Form 10-K incorporates information by reference from the registrant’s definitive proxy statement for its 
2015 Annual Meeting of Stockholders, scheduled to be held on May 5, 2016. Except as expressly incorporated by reference, the registrant’s 
definitive proxy statement shall not be deemed to be a part of this Annual Report on Form 10-K.

 
 
 
 
 
 
 
 
ADVANCED ENERGY INDUSTRIES, INC.
FORM 10-K
TABLE OF CONTENTS

PART I

ITEM 1. BUSINESS

ITEM 1A. RISK FACTORS

ITEM 1B. UNRESOLVED STAFF COMMENTS

ITEM 2. PROPERTIES

ITEM 3. LEGAL PROCEEDINGS

ITEM 4. MINE SAFETY DISCLOSURES

PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER 
PURCHASES OF EQUITY SECURITIES

ITEM 6. SELECTED FINANCIAL DATA

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF 
OPERATIONS

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL 
DISCLOSURE

ITEM 9A. CONTROLS AND PROCEDURES

ITEM 9B. OTHER INFORMATION

PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

ITEM 11. EXECUTIVE COMPENSATION

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED 
STOCKHOLDER MATTERS

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

ITEM 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

SIGNATURES

EX-21.1
EX-23.1
EX-31.1
EX-31.2
EX-32.1
EX-32.2

Page
3

3

10

21

22

22

22

23

23

25

25

36

38

74

75

75

76

76

76

76

76

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82

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Table of Contents

PART I

Unless  the  context  otherwise  requires,  as  used  in  this  Form 10-K,  references  to  “Advanced  Energy”,  “the 

Company”, “we”, “us” or “our” refer to Advanced Energy Industries, Inc. and its consolidated subsidiaries.

ITEM 1. 

BUSINESS 

Overview

Advanced Energy provides highly-engineered, mission-critical, precision power conversion, measurement and control 
solutions to our global customers. We do this by designing, manufacturing, selling and supporting our power conversion products 
and solutions that transform power into various usable forms in various applications ranging from manufacturing and industrial 
processes to instrumentation and test and measurement. The market for power conversion solutions is large with hundreds of 
suppliers and subsystem/component manufacturers.  We focus on highly-engineered products that solve our customers’ toughest 
mission-critical applications.

Our  process  power  products  enable  manufacturing  processes  that  use  thin  films  for  various  products,  such  as 
semiconductor devices, flat panel displays, thin film renewables, hard and industrial coatings and architectural glass. We also 
supply power control modules for controlling thermal processes, and thermal instrumentation products for advanced temperature 
measurement, both of which provide solutions for thin film semiconductor, thin film industrial, and heavy industry. Our remote 
plasma sources are used in the thin films processing industries and in gas abatement applications. Our high voltage products 
offer unique power solutions for semiconductor, analytical instrumentation, industrial x-ray, and medical imaging applications. 
Our  network  of  global  service  support  centers  provides  revenue  as  we  offer  repair  services,  conversions,  upgrades,  and 
refurbishments to companies using our products.

On January 27, 2014, we acquired the intellectual property related to AEG Power Solutions' Power Control Modules 
("PCM"). PCM is comprised of the Thyro-Family of products and accessories and serves numerous power control applications 
in  different  industries  ranging  from  materials'  thermal  processing  through  chemical  processing,  glass  manufacturing  and 
numerous other general industrial power applications. This acquisition broadens our product offerings and was added to our 
Precision Power portfolio. 

On April 12, 2014, we acquired all outstanding common stock of HiTek Power Group ("HiTek"), a privately-held 
provider of high voltage power solutions. Based in the United Kingdom, HiTek offers a comprehensive portfolio of high voltage 
and custom built power conversion products, ranging from 100V to 500kV, designed to meet the demanding requirements of 
original  equipment  manufacturers  ("OEM")  worldwide.  These  products  target  applications  including  semiconductor  wafer 
processing and metrology, scientific instrumentation, mass spectrometry, industrial printing, and analytical x-ray systems for 
industrial and analytical applications. HiTek's unique product architecture, encapsulation technology and control algorithms, 
combined with deep knowledge of its customer-specific applications, have made it a leading provider of critical, high-end, high 
voltage power solutions. We acquired HiTek to expand our product offerings in our Precision Power portfolio.

On August 4, 2014, we acquired all outstanding common stock of UltraVolt, Inc. ("UltraVolt"), a privately-held provider 
of high voltage power solutions. Based in Ronkonkoma, New York, UltraVolt offers a comprehensive portfolio of high voltage 
power supplies and modules ranging from benchtop and rack mount systems to microsize printed circuit board mount modules. 
Its standard DC-to-DC product line consists of over 1,500 models, which can be combined with accessories and options to create 
thousands of product configurations. Serving over 100 markets, UltraVolt's fixed-frequency, high voltage topology provides 
wide input and output operating ranges while retaining excellent stability and efficiencies. We acquired UltraVolt to expand our 
high voltage product offerings in our Precision Power portfolio. Note 2. Business Acquisitions in ITEM 8 "Financial Statements 
and Supplementary Data," describes the acquisitions of PCM, HiTek, and UltraVolt.

We incorporated in Colorado in 1981 and reincorporated in Delaware in 1995. Our executive offices are located at 

1625 Sharp Point Drive, Fort Collins, Colorado 80525, and our telephone number is 970-407-4670.

Products and Services

Our products are designed to enable new process technologies, improve productivity, and lower the cost of ownership 

for our customers. We also provide repair and maintenance services for all of our products.

In 2014, we changed our organizational structure from two business units (formerly known as the Thin Films Business 
Unit and the Solar Energy Business Unit) to a single functional organization with various product lines organized as reportable 
segments, Precision Power and Inverters. However, as of December 31, 2015, we have discontinued our Inverter production, 

3

 
 
 
 
 
 
Table of Contents

engineering, and sales product line representing a strategic shift in our business. As such, all Inverter revenues, costs, assets and 
liabilities are reported in Discontinued Operations for all periods presented herein and we currently report as a single unit. 

We principally serve OEMs and end customers in the semiconductor, flat panel display, high voltage, solar panel, 
and other industrial capital equipment markets. Our products are used in diverse markets, applications, and processes including 
the manufacture of capital equipment for semiconductor devices, thin film applications for thin film renewables and architectural 
glass, and for other thin film applications including flat panel displays, data storage, and industrial coatings. These markets can 
be cyclical in nature. Therefore, demand for our products and our financial results can change as demand for manufacturing 
equipment and repair and maintenance services change in response to consumer demand. Other factors, such as global economic 
and market conditions and technological advances in fabrication processes and renewable applications can also have an impact 
on our financial results, both positively and negatively.

Our thin film deposition power conversion systems include direct current ("DC"), pulsed DC low frequency, high 
voltage, and radio frequency ("RF") power supplies, matching networks, remote plasma sources for reactive gas applications 
and RF instrumentation. These power conversion systems refine, modify, and control the raw electrical power from a utility and 
convert it into power that may be customized and is predictable and repeatable. Our power conversion systems are primarily 
used by semiconductor, solar panel, and similar thin film manufacturers including flat panel display, data storage, industrial 
hard coating and ophthalmic optical coating equipment makers, and architectural glass manufacturers.

Our power control modules and thermal instrumentation products are used in the semiconductor industry, including 
adjacent thin film applications for solar PV and light emitting diode ("LED") industries, and heavy industries, for thermal control 
and temperature measurement solutions for applications in which time-temperature cycles affect material properties, productivity, 
and  yield.  These  products  are  used  in  rapid  thermal  processing,  chemical  vapor  deposition,  crystal  growing,  and  other 
semiconductor and solar applications requiring non-contact temperature measurement.  They are also used in chemical processing, 
glass manufacturing and numerous other general industrial power applications.

Our global support services group offers in-warranty and out-of-warranty repair services in the regions in which we 
operate, providing us with preventive maintenance opportunities. Our customers continue to pursue low cost of ownership of 
their capital equipment and are increasingly sensitive to the significant costs of system downtime. They expect that suppliers 
offer comprehensive local repair service and customer support. To meet these market requirements, we maintain a worldwide 
support organization comprising of both direct and indirect activities through partnership with local distributors primarily in the 
United States ("U.S."), the People’s Republic of China ("PRC"), Japan, South Korea, Taiwan, Germany, and Great Britain.

Effective with the conclusion of our inverter wind-down on December 31, 2015, we consider all inverter new product 
warranties  historically  sold  to  be  discontinued  operations.  However,  extended  warranties  historically  sold  and  reflected  as 
“Deferred Revenue” on our Consolidated Balance Sheets, represent future revenue and service costs to be incurred by our global 
services group and are reflected as continuing operations for historical periods and future periods. Please See Note 3. Discontinued 
Operations in PART II ITEM 8 "Financial Statements and Supplementary Data."

Markets

Our products compete in markets for high tech manufacturing capital equipment and renewable energy production. 
Our markets are not generally subject to seasonality; however, these markets are cyclical due to sudden changes in customers’ 
manufacturing capacity requirements and spending, which depend in part on capacity utilization, demand for customers’ products, 
inventory levels relative to demand, government incentives and subsidies, and access to affordable capital. For more information 
related to the markets in which we compete and the current environment in those markets, please see Business Environment and 
Trends in Item 7. Management's Discussion and Analysis.

SEMICONDUCTOR CAPITAL EQUIPMENT

Customers  in  the  semiconductor  capital  equipment  market  incorporate  our  products  into  equipment  that  make 
integrated circuits. Our power conversion systems provide the energy to enable thin film processes, such as deposition and etch, 
and high voltage applications such as ion implant. Our thermal instrumentation products measure the temperature of the processed 
substrate or the process chamber. Our remote plasma sources deliver ionized gases for reactive chemical processes used in 
cleaning, surface treatment, and gas abatement.  Precise control over the energy delivered to plasma-based processes enables 
the production of integrated circuits with reduced feature sizes and increased speed and performance.

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Table of Contents

SOLAR PANEL CAPITAL EQUIPMENT

We sell our products to OEMs and manufacturers of solar cells who use our products to produce thin films using 
silicon substrates, as well as glass or metal substrates. The majority of solar cell manufacturing currently uses a silicon wafer 
as the substrate and employs chemical vapor deposition ("CVD") thin film processing. The solar cell industry has developed 
processes for manufacturing solar cells on non-silicon substrates, such as glass and metal by using thin film processes that 
employ CVD tools. Our RF and DC power supply products are designed for use in these CVD and physical vapor deposition 
("PVD") tools. Our products are used in leading thin film solar cell technologies, including amorphous and microcrystalline 
silicon, copper, indium, gallium, selenide, and cadmium telluride.

FLAT PANEL DISPLAY CAPITAL EQUIPMENT

Manufacturers of flat panel displays use thin film processes similar to those employed in manufacturing semiconductor 
integrated circuits. Flat panel display technology produces bright, sharp, large, color-rich images on flat screens for products 
ranging from hand-held devices to laptop and desktop computer monitors and flat TVs. This technology is used in manufacturing 
liquid crystal display, LED backlit, and 3-dimensional ("3D") television screens. The transition to larger panel sizes and higher 
display resolution is driving the need for tighter process controls to reduce manufacturing costs and defects.  Increased focus 
on user experience and interface drives the use for new materials and device architecture such as organic light-emitting diode 
("OLED") and active-matrix organic light-emitting diode ("AMOLED") and new technologies for touch screen. The emerging 
migration to flexible display drives the development of new materials and thin film technologies for encapsulation.

DATA STORAGE CAPITAL EQUIPMENT

Data storage equipment manufacturers use our products in their capital equipment which allows them to produce a 
variety of products, including optical disks, such as CDs, DVDs and Blu-ray, and magnetic storage, such as computer hard discs, 
including both magnetic media and thin film heads. These products use a PVD process to produce optical and magnetic thin 
film layers, as well as a protective-wear layer. In this market, the trend towards higher recording densities requires thinner and 
more precise films. The use of equipment incorporating optical and magnetic media to store digital data expands with the growth 
of the laptop, desktop and network server computer markets, and consumer electronics including audio, video, gaming, cell 
phone, and entertainment markets.

ARCHITECTURAL GLASS CAPITAL EQUIPMENT

Low Emissivity or Low-E architectural glass manufacturers use our power supplies in their production equipment. 
This glass is used in commercial and residential buildings to reduce energy absorption and loss through the use of thin films 
coated directly on the glass which reduces the energy absorbed in the building. The thin film deposition process employs PVD 
tools which use our DC and mid-frequency power products. This market is driven by end market demand for glass related to 
the residential and commercial construction industry.

INDUSTRIAL PRODUCTS CAPITAL EQUIPMENT

The thin film deposition processes are also used in the manufacturing process of products for a variety of industrial 
and consumer markets. Our process power solutions allow thin films to be applied to products in plasma-based processes to 
strengthen and harden surfaces on such diverse products as machine tools, automotive parts, and various other end products. 
The advanced thin film production processes allow precise control of various optical and physical properties, including color, 
transparency, and electrical and thermal conductivity. The improved adhesion and specular surfaces resulting from plasma-based 
processing make it the preferred method of applying thin films.  The need for improved films properties for both hard coating 
and optical coating requires a precision power conversion technology which we achieved through the acquisition of Solvix 
products and technology.

Customers

Our products are sold worldwide to approximately 316 OEMs and integrators and directly to more than 1,771 end 
users. Our ten largest customers accounted for approximately 61.2% of our sales in 2015, 59.7% of our sales in 2014, and 61.6% 
of our sales in 2013. We expect that the sale of products to our largest customers will continue to account for a significant 
percentage of our sales for the foreseeable future.

Applied Materials Inc., our largest customer, accounted for 29.8% of our sales in 2015 and 2014, and 32.1% of our 
sales in 2013.  Lam Research accounted for 20.3% of our sales in 2015, 19.9% of our sales in 2014, and 16.8% of our sales in 
2013. No other customer accounted for greater than 10% of our sales in 2015, 2014, or 2013.  The loss of Applied Materials, 
Inc. or Lam Research as a customer could have a material adverse effect on our results of operations.

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Table of Contents

Backlog

Our  backlog  was  approximately  $43.7  million  at  December 31,  2015,  a  31.5%  decrease  from  $63.8  million  at 
December 31, 2014. This decrease resulted primarily from the pause in investment in the semiconductor capital equipment 
markets in the fourth quarter of 2015.  We expect overall growth in backlog as the semiconductor market rebounds in 2016. For 
more information related to our expectations for the markets we serve, please see Business Environment and Trends in Item 7. 
Management's Discussion and Analysis. Backlog orders are firm orders scheduled to be filled and shipped in the next 12 months 
and include our just-in-time supply agreements with major OEM’s.

Backlog orders are not necessarily an indicator of future sales levels because of variations in lead times and customer 
production demand pull systems. Customers may delay delivery of products or cancel orders prior to shipment, subject to possible 
cancellation penalties. Delays in delivery schedules and/or customer changes to backlog orders during any particular period 
could cause a decrease in sales and have a material adverse effect on our business and results of operations.

Marketing, Sales and Distribution

We sell our products through direct and indirect sales channels in North America, Europe, and Asia. Our sales operations 
are primarily located in the United States, the PRC, the United Kingdom, Germany, Japan, South Korea, India, Singapore, and 
Taiwan. In addition to a direct sales force, we have independent sales representatives and distributors that support our selling 
efforts. We maintain customer service offices at many of the locations listed above, as well as other sites near our customers' 
locations. We believe that customer service and technical support are important competitive factors and are essential to building 
and maintaining close, long-term relationships with our customers.

The following table presents our net sales by geographic region for the years ended December 31, 2015, 2014, and 

2013.  Sales are attributed to individual countries based on customer location. 

Sales to external customers:

United States
Canada
North America

People's Republic of China
Other Asian countries
Asia

Germany
United Kingdom
Other European Countries
Europe
Total sales

2015

Years ended December 31,
2014
(In thousands)

2013

$

$

$

268,257
195
268,452

$

230,843
347
231,190

12,687
61,839
74,526

46,719
25,100
14
71,833
414,811

$

12,903
56,938
69,841

43,343
22,670
289
66,302
367,333

$

169,362
93
169,455

27,420
62,706
90,126

31,651
5,752
2,397
39,800
299,381

Total sales to all foreign countries totaled $146.6 million, $136.5 million, and $130.0 million in the years ended 

December 31, 2015, 2014, and 2013, respectively.

See “Risk Factors” in Item 1A for a discussion of certain risks related to our foreign operations.

Manufacturing

The manufacturing of our Precision Power related products is performed in Shenzhen, PRC; Ronkonkoma, New 
York; and Littlehampton, United Kingdom. Manufacturing in these three locations, primarily the PRC, exposes us to risks, such 
as exchange controls and currency restrictions, changes in local economic conditions, changes in PRC laws and regulations, 
government actions, and unsettled political conditions. The thermal instrumentation product line is manufactured in Vancouver, 
Washington. 

Manufacturing  requires  raw  materials,  including  a  wide  variety  of  mechanical  and  electrical  components,  to  be 
manufactured to our specifications. We use numerous companies, including contract manufacturers, to supply parts for the 

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manufacture and support of our products. Although we make reasonable efforts to assure that parts are available from multiple 
qualified suppliers.  

Some key parts may be obtained from a sole supplier or a limited group of suppliers. We seek to reduce costs and to 

lower the risks of production and service interruptions, as well as shortages of key parts by:

• 

selecting and qualifying alternate suppliers for key parts using rigorous technical and commercial evaluation of suppliers' 
products and business processes including testing their components' performance, quality, and reliability on our power 
conversion product at our customers' and their customer's processes. The qualification process for Precision Power, 
particularly as it pertains to semiconductor customers, follows semiconductor industry standard practices, such as “copy 
exact”;

•  monitoring the financial condition of key suppliers;

•  maintaining appropriate inventories of key parts, including making last time purchases of key parts when notified by 

suppliers that they are ending the supply of those parts;

• 

• 

• 

qualifying new parts on a timely basis and in geographies that reduce costs without degradation in quality;

locating certain manufacturing operations in areas that are closer to suppliers and customers; and 

competitively sourcing parts through electronic bidding tools to ensure the lowest total cost is achieved for the parts 
needed in our products.

Intellectual Property

We seek patent protection for inventions governing new products or technologies as part of our ongoing research and 
development. We currently hold 104 United States patents and 62 foreign-issued patents, and have 116 patent applications 
pending in the United States, Europe and Asia. A substantial majority of our patents relate to our Precision Power business. 
Generally, our efforts to obtain international patents have been concentrated in the industrialized countries within Europe and 
Asia because there are other manufacturers and developers of power conversion and control systems in those countries, as well 
as customers for those systems for which our intellectual property applies.

Litigation may, from time to time, be necessary to enforce patents issued to us, to protect trade secrets or know-how 
owned by us, to defend us against claimed infringement of the rights of others, or to determine the scope and validity of the 
proprietary rights of others. See "Risk Factors — We are highly dependent on our intellectual property" in Item 1A.

Competition

The markets we serve are highly competitive and characterized by rapid technological development and changing 
customer requirements. No single company dominates any of our markets. Significant competitive factors in our markets include 
product performance, compatibility with adjacent products, price, quality, reliability, and level of customer service and support.

We have seen an increase in global competition in the markets in which we compete, especially from Asian and 
European-based component suppliers. We encounter substantial competition from foreign and domestic companies for each of 
our product lines. Some of our competitors have greater financial and other resources than we do. In some cases, competitors 
are smaller than we are, but are well established in specific product niches. MKS Instruments, Inc. ("MKSI"), Comdel, Inc., 
Daihen Corporation, Kyosan Electric Mfg. Co., Ltd., Hüttinger Elektronik GmbH, Comet Holding AG, New Plasma Products 
(NPP), Entech, Plasmart (now a division of MKSI), and ADTech compete with our power conversion products for thin film 
processing. Spellman High Voltage, Crane, and Matsusada Precision offer products that compete with our high voltage products. 
Lumasense Technologies, CI Systems, BASF, and Laytec GmbH offer products that compete with our thermal instrumentation 
products. Eurotherm by Schneider Electric, Control Concepts Inc., CD Automation, and Spang Power Electronics offer products 
that compete with our power control modules.

Additionally, a focus on local content is causing new competitors to emerge around the world, with strong support 

from local governments, industry leaders, and investors.

Our ability to continue to compete successfully in these markets depends on our ability to make timely introductions 
of product enhancements and new products, to localize these development and production activities in key world regions, and 
to produce quality products. We expect our competitors will continue to improve the design and performance of their products, 
and introduce new products with competitive performance characteristics. We believe that we currently compete effectively 
with respect to these factors, although we cannot assure that we will be able to compete effectively in the future.

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Research and Development

The market for our precision power conversion, thermal, and high voltage products is characterized by ongoing 
technological  changes.  We  believe  that  continued  and  timely  development  of  new  highly  differentiated  products  and 
enhancements to existing products to support end user and OEM requirements is necessary for us to maintain a competitive 
position in the markets we serve. Accordingly, we continue to devote a significant portion of our personnel and financial resources 
to research and development projects and seek to maintain close relationships with our key customers and other industry leaders 
in order to remain responsive to their product requirements now and in the future.

Research and development expenses were $39.6 million in 2015, $36.9 million in 2014, and $35.4 million in 2013, 

representing 9.5% of our sales in 2015, 10.0% of our sales in 2014, and 11.8% of our sales in 2013.

Employees

As of December 31, 2015, we had a total of 1,382 employees. Our employees are not represented by unions, except 
for statutory organization rights applicable to our employees in the PRC, and we have never experienced an involuntary work 
stoppage. We believe that our continued success depends, in part, on our ability to attract and retain qualified personnel. We 
consider our relations with our employees to be good.

Effect of Environmental Laws

We are subject to federal, state, and local environmental laws and regulations, as well as the environmental laws and 
regulations of the foreign federal and local jurisdictions in which we have manufacturing facilities. We believe we are in material 
compliance with all such laws and regulations.

Compliance with federal, state, and local laws and regulations has not had, and is not expected to have, an adverse 

effect on our capital expenditures, competitive position, financial condition, or results of operations.

Website Access

Our website address is www.advancedenergy.com. We make available, free of charge on our website, our Annual 
Report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and all amendments to these reports as 
soon as reasonably practicable after filing such reports with, or furnishing them to, the Securities and Exchange Commission 
(“SEC”). Such reports are also available at www.sec.gov. Information contained on our website is not incorporated by reference 
in, or otherwise part of, this Annual Report on Form 10-K nor any of our other filings with the SEC.

Special Note Regarding Forward-Looking Statements

This Annual Report on Form 10-K includes or incorporates by reference “forward-looking statements” within the 
meanings of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, 
as amended. All statements contained or incorporated by reference in this Annual Report on Form 10-K, other than statements 
of  historical  fact,  are  “forward-looking  statements.”  For  example,  statements  relating  to  our  beliefs,  expectations,  plans, 
projections, forecasts, goals, and estimates are forward-looking statements, as are statements that specified actions, conditions, 
or circumstances will continue or change. Forward-looking statements involve risks and uncertainties. In some cases, forward-
looking statements can be identified by the inclusion of words such as "believe," "expect," "plan," "anticipate," "estimate," 
"may," "might," "could," "should," "will," "continue," "intend," and similar words.

Some of the forward-looking statements in this Annual Report on Form 10-K are, or reflect, our expectations or 

projections relating to:

• 

• 

• 

• 

• 

our future revenues;

our future sales, including backlog orders;

unanticipated costs in fulfilling our warranty obligations for solar inverters;

our future gross profit;

our competition;

•  market acceptance of, and demand for, our products;

• 

the fair value of our assets and financial instruments;

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• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

research and development expenses;

selling, general, and administrative expenses;

sufficiency and availability of capital resources;

capital expenditures;

our share repurchase program;

our tax assets and liabilities;

our other commitments and contingent liabilities;

adequacy of our reserve for excess and obsolete inventory;

adequacy of our warranty reserves;

restructuring activities and expenses;

the integration of our acquisitions;

general global economic conditions; and

industry trends.

Our actual results could differ materially from those projected or assumed in our forward-looking statements because 
forward-looking statements by their nature are subject to risks and uncertainties. Factors that could contribute to these differences 
or prove our forward-looking statements, by hindsight, to be overly optimistic or unachievable include the factors described in 
“Risk Factors” in Item 1A. Other factors might also contribute to the differences between our forward-looking statements and 
our actual results. We assume no obligation to update any forward-looking statement or the reasons why our actual results might 
differ.

Executive Officers of the Registrant

Our executive officers, their positions and their ages as of December 31, 2015 are as follows:

Yuval Wasserman, 61, is our President & Chief Executive Officer and was appointed to the Board of Directors on 
October 1, 2014. Mr. Wasserman joined us in August 2007 as Senior Vice President, Sales, Marketing and Service. In October 
2007, he was promoted to Executive Vice President, Sales, Marketing and Service. In April 2009, he was promoted to Executive 
Vice President and Chief Operating Officer of the Company and then in August 2011 he was promoted to President of the Thin 
Films Business Unit. Beginning in May 2002, Mr. Wasserman served as the President, and later as Chief Executive Officer, of 
Tevet Process Control Technologies, Inc., a semiconductor metrology company, until July 2007. Prior to that, he held senior 
executive and general management positions at Boxer Cross (a metrology company acquired by Applied Materials, Inc.), Fusion 
Systems (a plasma strip company that is a division of Axcelis Technologies, Inc.), and AG Associates (a semiconductor capital 
equipment company focused on rapid thermal processing). Mr. Wasserman started his career at National Semiconductor, Inc., 
where he held various process engineering and management positions. Mr. Wasserman joined the board of Syncroness, Inc., an 
outsourced engineering and product development company, in 2010. Mr. Wasserman is a National Association of Corporate 
Directors (NACD) Governance Fellow. Mr. Wasserman holds a BsC in chemical engineering from Ben Gurion University in 
Beer Sheva, Israel.

Thomas Liguori, 57, joined us in May 2015 as Executive Vice President and Chief Financial Officer. Prior to joining 
Advanced Energy, he served as Executive Vice President and Chief Financial Officer at Multi-Fineline Electronix, Inc. since 
2008.  Multi-Fineline Electronix, Inc. is one of the world’s largest producers of flexible printed circuits and flexible circuit 
assemblies.  Prior  to  Multi-Fineline  Electronix,  Inc.,  Mr.  Liguori  served  as  Chief  Financial  Officer  at  Hypercom,  Inc.  from 
November 2005 to February 2008, where he designed and built the global finance and administration functions. From February 
2005 to November 2005, Mr. Liguori served as Vice President, Finance and Chief Financial Officer at Iomega Corporation, a 
publicly traded provider of storage and network security solutions, and from April 2000 to February 2005, as Chief Financial 
Officer at Channell Commercial Corporation, a publicly traded designer and manufacturer of telecommunications equipment. 
Prior to that time, Mr. Liguori served as Chief Financial Officer of Dole Europe for Dole Food Company, serving as the top-
ranking financial and IT executive in Dole’s operations in Europe, Africa and the Middle East, and as Vice President of Finance 
at Teledyne. Mr. Liguori began his career with Honeywell and served as a management consultant with Deloitte & Touche LLP. 
Mr.  Liguori  holds  a  Bachelor’s  in  Business Administration,  Summa  Cum  Laude,  from  Boston  University  and  completed  a 

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Master’s  in  Business  Administration  in  Finance,  Summa  Cum  Laude,  from  Arizona  State  University.  He  is  a  Certified 
Management Accountant and a Certified Financial Manager.

Thomas O. McGimpsey, 54, joined us in April 2009 as Vice President and General Counsel and was promoted to 
Executive Vice President of Corporate Development and General Counsel in August 2011 and held the corporate development 
position until mid-2015. From February 2008 to April 2009, Mr. McGimpsey held the position of Vice President of Operations 
at First Data Corporation. During 2007, Mr. McGimpsey was a consultant and legal advisor to various companies. From July 
2000 to January 2007, Mr. McGimpsey held various positions with McDATA Corporation such as Executive Vice President of 
Business  Development  &  Chief  Legal  Officer,  Senior Vice  President  &  General  Counsel  and Vice  President  of  Corporate 
Development. From February 1998 to its sale in June 2000, Mr. McGimpsey held the position of Director and Senior Corporate 
Attorney at US WEST, Inc. From 1991 to 1998, Mr. McGimpsey was in private practice at national law firms. From 1984 to 
1988, Mr. McGimpsey was a Senior Engineer for Software Technology, Inc. In August 2014 Mr. McGimpsey was appointed to 
the board of directors of CPP, Inc., a private company with international operations that provides wind engineering and air 
quality consulting services. In July 2015, Mr. McGimpsey was appointed as a Commissioner to the Colorado Commission on 
Higher  Education.  Mr.  McGimpsey  is  a  National  Association  of  Corporate  Directors  (NACD)  Governance  Fellow. 
Mr. McGimpsey received his Masters of Business Administration from Colorado State University (with honors), his Juris Doctor 
degree from the University of Colorado and his Bachelor of Science degree in Computer Science (with a minor in electrical 
systems) from Embry-Riddle Aeronautical University.

ITEM 1A. 

RISK FACTORS

An investment in our common stock involves a number of very significant risks. You should carefully consider the 
risks described below and the other information in this Annual Report before deciding whether to purchase shares of our common 
stock.

Our business, financial condition, results of operations, and cash flow, could be materially adversely affected by any 
of these risks. The value of shares of our common stock could decline due to any of these risks, and you may lose all or part of 
your investment.

This Annual Report also contains forward-looking statements that involve risks and uncertainties. Our actual results 
could differ materially from those anticipated in these forward-looking statements as a result of certain factors, including the 
risks faced by us described below.

We generally have no long-term contracts with our customers requiring them to purchase any specified quantities from us.

Our sales are primarily made on a purchase order basis, and we generally have no long-term purchase commitments 
from our customers, which is typical in the industries we serve. As a result, we are limited in our ability to predict the level of 
future  sales  or  commitments  from  our  current  customers,  which  may  diminish  our  ability  to  allocate  labor,  materials,  and 
equipment in the manufacturing process effectively. In addition, we may accumulate inventory in anticipation of sales that do 
not materialize, resulting in excess and obsolete inventory write-offs.

The industries in which we compete are subject to volatile and unpredictable cycles.

As a supplier to the global semiconductor, flat panel display, solar, and related industries, we are subject to business 
cycles, the timing, length, and volatility of which can be difficult to predict. These industries historically have been cyclical due 
to sudden changes in customers’ manufacturing capacity requirements and spending, which depend in part on capacity utilization, 
demand for customers’ products, inventory levels relative to demand, and access to affordable capital. These changes have 
affected the timing and amounts of customers’ purchases and investments in technology, and continue to affect our orders, net 
sales, operating expenses, and net income. In addition, we may not be able to respond adequately or quickly to the declines in 
demand by reducing our costs. We may be required to record significant reserves for excess and obsolete inventory as demand 
for our products changes.

To meet rapidly changing demand in each of the industries we serve, we must effectively manage our resources and 
production capacity. During periods of decreasing demand for our products, we must be able to appropriately align our cost 
structure with prevailing market conditions, effectively manage our supply chain, and motivate and retain key employees. During 
periods of increasing demand, we must have sufficient manufacturing capacity and inventory to fulfill customer orders, effectively 
manage our supply chain, and attract, retain, and motivate a sufficient number of qualified individuals. If we are not able to 
timely and appropriately adapt to changes in our business environment or to accurately assess where we are positioned within 
a business cycle, our business, financial condition, or results of operations may be materially and adversely affected.

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Cyclicality in the semiconductor equipment industry impacts our results of operations.

Our business is affected by the capital equipment expenditures of semiconductor manufacturers, which in turn is 
affected  by  the  current  and  anticipated  market  demand  for  integrated  circuits  and  products  using  integrated  circuits.  The 
semiconductor industry is cyclical in nature and has experienced periodic and severe downturns and upturns. Business conditions, 
therefore, historically have changed rapidly and unpredictably.

Fluctuating levels of investment by semiconductor manufacturers could continue to materially affect our revenues 
and operating results. Where appropriate, we will attempt to respond to these fluctuations with cost management programs aimed 
at aligning our expenditures with anticipated revenue streams, which sometimes result in restructuring charges. Even during 
periods of reduced revenues, we must continue to invest in research and development and maintain extensive ongoing worldwide 
customer service and support capabilities to remain competitive, which may have a temporary adverse effect on our results of 
operations. During periods of increased demand, we may have difficulty obtaining sufficient components and subassemblies or 
increasing production quickly enough to meet our customers’ requirements.

Market pressures and increased low-cost competition may reduce or eliminate our profitability.

Our customers continually exert pressure on us to reduce our prices and extend payment terms. Given the nature of 
our customer base and the highly competitive markets in which we compete, we may be required to reduce our prices or extend 
payment terms to remain competitive. We have recently seen pricing pressure from our largest customers due in part to low-
cost competition and market consolidation.  We believe some of our Asian competitors benefit from local governmental funding 
incentives and purchasing preferences from end-user customers in their respective countries. Moreover, in order to be successful 
in the current competitive environment, we are required to accelerate our investment in research & development to meet time-
to-market, performance and technology adoption cycle needs of our customers simply in order to compete for design wins, and 
if successful, receive potential purchase orders.  Given such up-front investments we have to make and the competitive nature 
of our markets, we may not be able to reduce our expenses in an amount sufficient to offset potential margin declines or loss of 
business, and may not be able to meet customer product timeline expectations. The decrease in cash flow could materially and 
adversely impact our financial condition.

A significant portion of our sales and accounts receivable are concentrated among a few customers.

Our ten largest customers accounted for 61.2% of our sales for the year ended December 31, 2015 and 59.7% of our 
sales for the year ended December 31, 2014.  During the year ended December 31, 2015, sales to Applied Materials, Inc. and 
LAM Research were $123.5 million and $84.2 million or 29.8% and 20.3%, respectively. During the year ended December 31, 
2014  sales  to Applied  Materials,  Inc.,  and  LAM  Research  were  $109.3  million  and  $73.0  million,  or  29.8%  and  19.9%, 
respectively. Our sales to Applied Materials, Inc. and LAM Research include precision power products used in semiconductor 
processing and solar, flat panel display, and architectural glass applications. No other customer accounted for 10% or more of 
our sales during these periods. 

Our competitive position could be weakened if we are unable to convince end users to specify that our products be used in 
the equipment sold by our customers.

The end users in our markets may direct equipment manufacturers to use a specified supplier’s product in their equipment 
at a particular facility. This occurs with frequency because our products are critical in manufacturing process control for thin-
film applications. Our success, therefore, depends in part on our ability to have end users specify that our products be used at 
their facilities. In addition, we may encounter difficulties in changing established relationships of competitors that already have 
a large installed base of products within such facilities.

We must achieve design wins to retain our existing customers and to obtain new customers, although design wins achieved 
do not necessarily result in substantial sales.

The constantly changing nature of technology in the markets we serve causes equipment manufacturers to continually 
design new systems. We must work with these manufacturers early in their design cycles to modify our equipment or design 
new equipment to meet the requirements of their new systems. Manufacturers typically choose one or two vendors to provide 
the components for use with the early system shipments. Selection as one of these vendors is called a design win. It is critical 
that we achieve these design wins in order to retain existing customers and to obtain new customers.

We believe that equipment manufacturers often select their suppliers based on factors including long-term relationships 
and end user demand. Accordingly, we may have difficulty achieving design wins from equipment manufacturers who are not 
currently our customers. In addition, we must compete for design wins for new systems and products of our existing customers, 
including  those  with  whom  we  have  had  long-term  relationships.  Our  efforts  to  achieve  design  wins  are  time  consuming, 
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expensive, and may not be successful. If we are not successful in achieving design wins, or if we do achieve design wins but 
our customers’ systems that utilize our products are not successful, our business, financial condition, and results of operations 
could be materially and adversely impacted.

Once a manufacturer chooses a component for use in a particular product, it is likely to retain that component for the 
life of that product. Our sales and growth could experience material and prolonged adverse effects if we fail to achieve design 
wins. However, design wins do not always result in substantial sales, as sales of our products are dependent upon our customers’ 
sales of their products.

Our legacy inverter products may suffer higher than anticipated damage or warranty claims.

Our legacy inverter products (of which we discontinued the manufacture and sale in December 2015 and which are 
reflected as Discontinued Operations in this filing) contain components that may contain errors or defects and were sold with 
original product warranties ranging from one to ten years with an option to purchase additional warranty coverage for up to 20 
years. If any of our products are defective or fail because of their design, we might be required to repair, redesign or recall those 
products, pay damages (including liquidated damages) or warranty claims, and we could suffer significant harm to our reputation. 
We accrue a warranty reserve for estimated costs to provide warranty services including the cost of technical support, product 
repairs, and product replacement for units that cannot be repaired. Our estimate of costs to fulfill our warranty obligations is 
based on historical experience and expectation of future conditions. To the extent we experience increased warranty claim activity 
or increased costs associated with servicing those claims, our warranty accrual will increase, resulting in additional expenses 
in the line "Loss from discontinued operations, net of tax” on our Consolidated Statement of Operations in future periods. We 
plan to continue supporting inverter customers with service maintenance and repair operations.  This includes performing service 
to fulfill obligations under existing service maintenance contracts. There is no certainty that these can be performed profitably 
and could be adversely affected by higher than anticipated product failure rates, loss of critical service technician skills, an 
inability to obtain service parts, customer demands and disputes and cost of repair parts, among other factors. Please See Note 
3. Discontinued Operations in ITEM 8 "Financial Statements and Supplementary Data."

Our products may suffer from defects or errors leading to damage or warranty claims.

Our products use complex system designs and components that may contain errors or defects, particularly when we 
incorporate new technology into our products or release new versions. If any of our products are defective or fail because of 
their design, we might be required to repair, redesign or recall those products, pay damages (including liquidated damages) or 
warranty claims, and we could suffer significant harm to our reputation. We accrue a warranty reserve for estimated costs to 
provide warranty services including the cost of technical support, product repairs, and product replacement for units that cannot 
be repaired. Our estimate of costs to fulfill our warranty obligations is based on historical experience and expectation of future 
conditions. To the extent we experience increased warranty claim activity or increased costs associated with servicing those 
claims, our warranty accrual will increase, resulting in decreased gross profit. In 2014 and 2015, we have experienced increased 
warranty costs for our legacy inverter product lines.

We maintain significant amounts of cash in international locations.

Given the global nature of our business, we have both domestic and international concentrations of cash and  investments. 
The value of our cash, cash equivalents, and marketable securities can be negatively affected by liquidity, credit deterioration, 
financial results, economic risk, political risk, sovereign risk or other factors. As a result, we could incur a significant impairment 
of our cash, cash equivalents, and marketable securities, which could materially adversely affect our financial condition and 
results of operations. For example, our recently announced capital deployment strategy as described in the Liquidity section of 
Item 7. Management's Discussion and Analysis of Financial Conditions and Results of Operation of this Form 10-K, may require 
us to access debt markets and there can be no assurance that access to debt at favorable terms will exist.

Changes in tax laws, tax rates, or mix of earnings in tax jurisdictions in which we do business, could impact our future tax 
liabilities and related corporate profitability

We are subject to income taxes in the U.S. (federal and state) and numerous foreign jurisdictions. Tax laws, regulations, 
and administrative practices in various jurisdictions may be subject to significant change due to economic, political, and other 
conditions, and significant judgment is required in evaluating and estimating our provision and accruals for these taxes. There 
are many transactions that occur during the ordinary course of business for which the ultimate tax determination is uncertain. 
Our effective tax rates could be adversely affected by earnings being lower than anticipated in jurisdictions where we have lower 
statutory rates and higher than anticipated in jurisdictions where we have higher statutory rates, losses incurred in jurisdictions 
for which we are not able to realize the related tax benefit, changes in foreign currency exchange rates, entry into new businesses 
and geographies and changes to our existing businesses, acquisitions (including integrations) and investments, changes in our 

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deferred tax assets and liabilities and their valuation, and changes in the relevant tax, accounting, and other laws, regulations, 
administrative practices, principles, and interpretations, including fundamental changes to the tax laws applicable to corporate 
multinationals. The U.S., many countries in the European Union, and a number of other countries are actively considering 
changes in this regard. 

For example, on Oct. 5, 2015, the Organisation for Economic Co-operation and Development (OECD) issued the final 
report on all 15 Base Erosion and Profit Shifting “BEPS” Action Plans. According to the OECD, the current rules have created 
opportunities for Base Erosion and Profit Shifting, and suggest new rules whereby profits are taxed where economic activities 
take place and value is created. OECD comments include new or reinforced international standards as well as concrete measures 
to help countries tackle BEPS. Among the highlights of the OECD Final Reports are the new transfer pricing approach and 
reinforced  international  standards  on  tax  treaties,  the  setting  of  minimum  standards  on  harmful  tax  practices,  treaty  abuse, 
country-by-country reporting and dispute resolution, action items requiring national legislation particularly in hybrid mismatches 
and interest restriction, and analytical reports with recommendations concerning digital economy and multilateral instruments. 
If countries in which we operate adopt the OECD recommendations as outlined in the BEPS Action Plans, it is uncertain to what 
extent the changes could impact the company

Difficulties with our enterprise resource planning (“ERP”) system and other parts of our global information technology 
system could harm our business and results of operation. 

Like many multinational corporations, we maintain a global information technology system, including software products 
licensed from third parties. Any system, network or Internet failures, misuse by system users, the hacking into or disruption 
caused by unauthorized access or loss of license rights could disrupt our ability to timely and accurately manufacture and ship 
products or to report our financial information in compliance with the timelines mandated by the SEC. Any such failure, misuse, 
hacking, disruptions or loss would likely cause a diversion of management's attention from the underlying business and could 
harm our operations. In addition, a significant failure of our global information technology system could adversely affect our 
ability to complete an evaluation of our internal controls and attestation activities pursuant to Section 404 of the Sarbanes-Oxley 
Act of 2002.

If our network security measures are breached and unauthorized access is obtained to a customer's data or our data or our 
information technology systems, we may incur significant legal and financial exposure and liabilities.

As part of our day-to-day business, we store our data and certain data about our customers in our global information 
technology system. While our system is designed with access security, unauthorized access to our data, including any regarding 
our customers, could expose us to a risk of loss of this information, loss of business, litigation and possible liability. These 
security measures may be breached by intentional misconduct by computer hackers, as a result of third-party action, employee 
error, malfeasance or otherwise. Additionally, third parties may attempt to fraudulently induce employees or customers into 
disclosing sensitive information such as user names, passwords or other information in order to gain access to our customers' 
data or our data, including our intellectual property and other confidential business information, or our information technology 
systems. Because the techniques used to obtain unauthorized access, or to sabotage systems, change frequently and generally 
are not recognized until launched against a target, we may be unable to anticipate these techniques or to implement adequate 
preventative measures. Any security breach could result in a loss of confidence by our customers, damage our reputation, disrupt 
our business, lead to legal liability and negatively impact our future sales.

We conduct manufacturing at only a few sites and our sites are not generally interchangeable.

Our power products for the semiconductor industry are manufactured in Shenzhen, PRC. Our high voltage products 
are manufactured in Ronkonkoma, New York and Littlehampton, United Kingdom. Our thermal instrumentation products that 
are used in the semiconductor industry are manufactured in Vancouver, Washington. Each facility is under operating lease and 
interruptions in operations could be caused by early termination of existing leases by landlords or failure by landlords to renew 
existing leases upon expiration, including the possibility that suitable operating locations may not be available in proximity to 
existing facilities which could result in labor or supply chain risks. For instance, our Shenzhen, PRC manufacturing facility 
currently has a  lease which expires in July 2017 that we are actively working on and expect to extend. Each facility manufactures 
different products, and therefore, is not interchangeable. Natural or other uncontrollable occurrences at any of our manufacturing 
facilities could significantly reduce our productivity at such site and could prevent us from meeting our customers’ requirements 
in  a  timely  manner,  or  at  all.  Our  losses  from  any  such  occurrence  could  significantly  affect  our  operations  and  results  of 
operations for a prolonged period of time.

Our restructuring and other cost-reduction efforts have included transitioning manufacturing operations to our facility 
in  Shenzhen  from  other  manufacturing  facilities,  such  as  Fort  Collins,  Colorado  and  Littlehampton,  UK,  which  renders  us 

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increasingly reliant upon our Shenzhen facility. A disruption in manufacturing at our Shenzhen facility, from whatever cause, 
could have a significantly adverse effect on our ability to fulfill customer orders, our ability to maintain customer relationships, 
our costs to manufacture our products and, as a result, our results of operations and financial condition.

Our results of operations could be affected by natural disasters and other events in the locations in which we or our 
customers or suppliers operate.

We have manufacturing and other operations in locations subject to natural occurrences such as severe weather and 
geological events including earthquakes or tsunamis that could disrupt operations. In addition, our suppliers and customers 
also have operations in such locations. A natural disaster, fire, explosion, or other event that results in a prolonged disruption 
to our operations, or the operations of our customers or suppliers, may materially adversely affect our business, results of 
operations, or financial condition.

Our operations in the People’s Republic of China are subject to significant political and economic uncertainties over which 
we have little or no control and we may be unable to alter our business practice in time to avoid reductions in revenues.

A significant portion of our operations outside the United States are located in the PRC, which exposes us to risks, 
such as exchange controls and currency restrictions, changes in local economic conditions, changes in customs regulations, 
changes in tax policies, changes in PRC laws and regulations, possible expropriation or other PRC government actions, and 
unsettled political conditions. These factors may have a material adverse effect on our operations, business, results of operations, 
and financial condition. Please see "We are exposed to risks associated with worldwide financial markets and the global economy" 
risk factor above.

The PRC’s economy differs from the economies of most developed countries in many respects, including with respect 
to the amount of government involvement, level of development, rate of growth, control of foreign exchange and allocation of 
resources. While the economy of the PRC has experienced significant growth in the past 20 years, growth has been uneven 
across different regions and amongst various economic sectors of the PRC. The PRC government has implemented various 
measures to encourage economic development and guide the allocation of resources. Strikes by workers and picketing in front 
of the factory gates of certain companies in Shenzhen have caused unrest among some workers seeking higher wages, which 
could impact our manufacturing facility in Shenzhen. While some of the government's measures may benefit the overall economy 
of the PRC, they may have a negative effect on us. For example, our financial condition and results of operations may be 
materially and adversely affected by government control over capital investments or changes in tax regulations that are applicable 
to us as well as work stoppages.

We transitioned a significant amount of our supply base to Asian suppliers.

We transitioned the purchasing of a substantial portion of components for our thin film products to Asian suppliers 
to lower our materials costs and shipping expenses. These components might require us to incur higher than anticipated testing 
or repair costs, which would have an adverse effect on our operating results. Customers who have strict and extensive qualification 
requirements might not accept our products if these lower-cost components do not meet their requirements. A delay or refusal 
by our customers to accept such products, as well as an inability of our suppliers to meet our purchasing requirements, might 
require us to purchase higher-priced components from our existing suppliers or might cause us to lose sales to these customers, 
either of which could lead to decreased revenue and gross margins and have an adverse effect on our results of operations. 

Our evolving manufacturing footprint may increase our risk.

The  nature  of  our  manufacturing  is  evolving  as  we  continue  to  grow  by  acquisition.  Historically,  our  principal 
manufacturing location was in China; however, we have also added specialized manufacturing at our Littlehampton, UK and 
Ronkonkoma, NY facilities. From time to time we may migrate manufacturing of specific products between facilities or to third 
party manufacturers. If we do not successfully coordinate the timely manufacturing and distribution of our products during this 
time, we may have insufficient supply of products to meet customer demand, we could lose sales, we may experience a build-
up in inventory, or we may incur additional costs.

Raw material, part, component, and subassembly shortages, exacerbated by our  dependence on sole and limited source 
suppliers, could affect our ability to manufacture products and systems and could delay our shipments.

Our business depends on our ability to manufacture products that meet the rapidly changing demands of our customers. 
Our ability to timely manufacture our products depends in part on the timely delivery of raw materials, parts, components, and 
subassemblies from suppliers. We rely on sole and limited source suppliers for some of our raw materials, parts, components, 
and subassemblies that are critical to the manufacturing of our products.

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This reliance involves several risks, including the following:

• 

• 

• 

• 

• 

• 

• 

the inability to obtain an adequate supply of required parts, components, or subassemblies;

supply shortages, if a sole or limited source provider ceases operations;

the need to fund the operating losses of a sole or limited source provider;

reduced control over pricing and timing of delivery of raw materials and parts, components, or subassemblies;

the need to qualify alternative suppliers;

suppliers that may provide parts, components or subassemblies that are defective, contain counterfeit goods or are 
otherwise misrepresented to us in terms of form, fit or function; and

the inability of our suppliers to develop technologically advanced products to support our growth and development of 
new products.

Qualifying alternative suppliers could be time consuming and lead to delays in, or prevention of delivery of products 
to our customers, as well as increased costs. If we are unable to qualify additional suppliers and manage relationships with our 
existing and future suppliers successfully, if our suppliers experience financial difficulties including bankruptcy, or if our suppliers 
cannot meet our performance or quality specifications or timing requirements, we may experience shortages, delays, or increased 
costs of raw materials, parts, components, or subassemblies. This in turn could limit or prevent our ability to manufacture and 
ship our products, which could materially and adversely affect our relationships with our current and prospective customers and 
our business, financial condition, and results of operations. From time to time, our sole or limited source suppliers have given 
us notice that they are ending supply of critical parts, components, and subassemblies that are required for us to deliver product. 
In those cases, we have been required to make last time purchases of such supplies in advance of product demand from our 
customers. If we cannot qualify alternative suppliers before these end-of-life supplies are utilized in our products or legacy 
inverter warranty operations, we may be unable to deliver further product or legacy inverter warranty service to our customers. 
To mitigate the risk of not having a supply of critical parts, components, and subassemblies for our products, we proactively 
make additional purchases which we believe addresses such risk.

Our orders of raw materials, parts, components, and subassemblies are based on demand forecasts.

We place orders with many of our suppliers based on our customers’ quarterly forecasts and our annual forecasts. These 
forecasts are based on our customers’ and our expectations as to demand for our products. As the quarter and the year progress, 
such demand can change rapidly or we may realize that our customers’ expectations were overly optimistic or pessimistic, 
especially  when  industry  or  general  economic  conditions  change.  Orders  with  our  suppliers  cannot  always  be  amended  in 
response. In addition, in order to assure availability of certain components or to obtain priority pricing, we have entered into 
contracts with some of our suppliers that require us to purchase a specified amount of components and subassemblies each 
quarter, even if we are not able to use such components or subassemblies. Moreover, we have obligations to some of our customers 
to hold a minimum amount of finished goods in inventory, in order to fulfill just in time orders, regardless of whether the 
customers expect to place such orders. We currently have firm purchase commitments and agreements with various suppliers 
to ensure the availability of components. See Note 18. Commitments and Contingencies in ITEM 8 "Financial Statements and 
Supplementary Data" for more information on our commitments. If demand for our products does not continue at current levels, 
we might not be able to use all of the components that we are required to purchase under these commitments and agreements, 
and our reserves for excess and obsolete inventory may increase, which could have a material adverse effect on our results of 
operations. If demand for our products exceeds our customers’ and our forecasts, we may not be able to timely obtain sufficient 
raw materials, parts, components, or subassemblies, on favorable terms or at all, to fulfill the excess demand.

We are exposed to risks associated with worldwide financial markets and the global economy.

Our business depends on the expansion of manufacturing capacity in our end markets and the installation base for 
the products we sell. In the past, severe tightening of credit markets, turmoil in the financial markets, and a weakening global 
economy have contributed to slowdowns in the industries in which we operate. Some of our key markets depend largely on 
consumer spending. Economic uncertainty, such as that recently experienced in the PRC, exacerbates negative trends in consumer 
spending and may cause our customers to push out, cancel, or refrain from placing equipment orders.

Difficulties in obtaining capital and uncertain market conditions may also lead to a reduction of our sales and greater 
instances of nonpayment. These conditions may similarly affect our key suppliers, which could affect their ability to deliver 
parts and result in delays for our products. Further, these conditions and uncertainty about future economic conditions could 

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make it challenging for us to forecast our operating results and evaluate the risks that may affect our business, financial condition, 
and results of operations. As discussed in “Our orders of raw materials, parts, components, and subassemblies are based on 
demand forecasts,” a significant percentage of our expenses are relatively fixed and based, in part, on expectations of future net 
sales. If a sudden decrease in demand for our products from one or more customers were to occur, the inability to adjust spending 
quickly enough to compensate for any shortfall would magnify the adverse impact of a shortfall in net sales on our results of 
operations. Conversely, if market conditions were to unexpectedly recover and demand for our products were to increase suddenly, 
we might not be able to respond quickly enough, which could have a negative impact on our results of operations and customer 
relations.

We may not realize the expected results from the implementation of restructuring plans.

During the second quarters of 2013, 2014, and 2015, we implemented restructuring plans to align our cost structure 
with current industry conditions in our business. As part of these restructuring plans we reduced staff, exited excess office and 
warehouse space, relocated engineering and research and development resources closer to our customers, and transferred various 
operating activities, such as supply chain management, manufacturing, engineering and other activities, to our Shenzhen, China 
facility. This means we are even more dependent on our China-based operations. As with any restructuring initiative, there could 
be many unintended results and there are always risks that execution may not meet expectations in the future. If we are unable 
to effectively execute the initiatives under the plan or our customers' requirements change, we may not realize the expected 
results or could incur restructuring charges greater than anticipated, which could materially affect our financial condition and 
results of operations.

If we are unable to adjust our business strategy successfully for some of our product lines to reflect the increasing price 
sensitivity on the part of our customers, our business and financial condition could be harmed.

Our  business  strategy  for  many  of  our  product  lines  has  been  focused  on  product  performance  and  technology 
innovation to provide enhanced efficiencies and productivity. As a result of recent economic conditions and changes in various 
markets that we serve, our customers have experienced significant cost pressures. We have observed increased price sensitivity 
on the part of our customers. If competition against any of our product lines should come to focus solely on price rather than 
on product performance and technology innovation, we will need to adjust our business strategy and product offerings accordingly, 
and if we are unable to do so, our business, financial condition, and results of operations could be materially and adversely 
affected.

The markets we operate in are highly competitive.

We  face  substantial  competition,  primarily  from  established  companies,  some  of  which  have  greater  financial, 
marketing, and technical resources than we do. We expect our competitors will continue to develop new products in direct 
competition  with  ours,  improve  the  design  and  performance  of  their  products,  and  introduce  new  products  with  enhanced 
performance characteristics. In order to remain competitive, we must improve and expand our products and product offerings. 
In addition, we may need to maintain a high level of investment in research and development and expand our sales and marketing 
efforts, particularly outside of the United States. We might not be able to make the technological advances and investments 
necessary to remain competitive. If we were unable to improve and expand our products and product offerings, our business, 
financial condition, and results of operations could be materially and adversely affected.

We are highly dependent on our intellectual property.

Our success depends significantly on our proprietary technology. We attempt to protect our intellectual property rights 
through patents and non-disclosure agreements; however, we might not be able to protect our technology, and competitors might 
be  able  to  develop  similar  technology  independently.  In  addition,  the  laws  of  some  foreign  countries  might  not  afford  our 
intellectual property the same protections as do the laws of the United States. Our intellectual property is not protected by patents 
in several countries in which we do business, and we have limited patent protection in other countries, including the PRC. The 
cost of applying for patents in foreign countries and translating the applications into foreign languages requires us to select 
carefully the inventions for which we apply for patent protection and the countries in which we seek such protection. Generally, 
our efforts to obtain international patents have been concentrated in the European Union and certain industrialized countries in 
Asia, including Korea, Japan, and Taiwan. If we are unable to protect our intellectual property successfully, our business, financial 
condition, and results of operations could be materially and adversely affected.

The PRC commercial law is relatively undeveloped compared to the commercial law in the United States. Limited 
protection of intellectual property is available under PRC law. Consequently, manufacturing our products in the PRC may subject 
us to an increased risk that unauthorized parties may attempt to copy our products or otherwise obtain or use our intellectual 

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property. We cannot give assurance that we will be able to protect our intellectual property rights effectively or have adequate 
legal recourse in the event that we encounter infringements of our intellectual property in the PRC.

Activities necessary to integrate acquisitions may result in costs in excess of current expectations or be less successful than 
anticipated.

In 2014 we acquired PCM, HiTek, and UltraVolt, and we may acquire other businesses in the future. The success of 
such transactions will depend on, among other things, our ability to integrate assets and personnel acquired in these transactions 
and to apply our internal controls process to these acquired businesses. The integration of acquisitions may require significant 
attention from our management, and the diversion of management’s attention and resources could have a material adverse effect 
on our ability to manage our business. Furthermore, we may not realize the degree or timing of benefits we anticipated when 
we first entered into the acquisition transaction. If actual integration costs are higher than amounts originally anticipated, if we 
are unable to integrate the assets and personnel acquired in an acquisition as anticipated, or if we are unable to fully benefit from 
anticipated synergies, our business, financial condition, results of operations, and cash flows could be materially adversely 
affected.

Return on investments or interest rate declines on plan investments could result in additional unfunded pension obligations 
for the HiTek Power pension plan.

We currently have unfunded obligations in the HiTek Power pension plan. The extent of future contributions to the 
pension plan depends heavily on market factors such as the discount rate used to calculate our future obligations and the actual 
return on plan assets which enable future payments. We estimate future contributions to the plan using assumptions with respect 
to these ad other items. While we are obligated to contribute $1.0 million per year through 2024 and our management believes 
that these assumptions are appropriate, changes to those assumptions could have a significant effect on future contributions. 
Additionally, a material deterioration in the funded status of the plan could increase pension expenses and reduce our profitability. 
See Note 16. Retirement Plans in ITEM 8 "Financial Statements and Supplementary Data."

We must continually design and introduce new products into the markets we serve to respond to competition and rapid 
technological changes.

We operate in a highly competitive environment where innovation is critical, our future success depends on many 
factors, including the effective commercialization and customer acceptance of our products and services. The development, 
introduction and support of a broadening set of products is critical to our continued success. Our results of operations could be 
adversely affected if we do not continue to develop new products, improve and develop new applications for existing products, 
and differentiate our products from those of competitors resulting in their adoption by customers.

We are subject to risks inherent in international operations.

Sales to our customers outside the United States were approximately 35.3% and 37.2% of our total sales for the years 
ended December 31, 2015 and 2014. The recent acquisitions of the power controls modules, and high voltage product lines have 
increased  our  presence  in  international  locations.  India  is  becoming  a  focus  of  possible  expansion  for  sales,  research  and 
development, and manufacturing. Our success producing goods internationally and competing in international markets is subject 
to our ability to manage various risks and difficulties, including, but not limited to:

• 

• 

• 

• 

• 

• 

• 

• 

our ability to effectively manage our employees at remote locations who are operating in different business environments 
from the United States;

our ability to develop and maintain relationships with suppliers and other local businesses;

compliance with product safety requirements and standards that are different from those of the United States;

variations  and  changes  in  laws  applicable  to  our  operations  in  different  jurisdictions,  including  enforceability  of 
intellectual property and contract rights;

trade restrictions, political instability, disruptions in financial markets, and deterioration of economic conditions;

customs regulations and the import and export of goods (including, but not limited to, any United States imposition of 
antidumping or countervailing duty orders, safeguards, remedies, or compensation with respect to our products or 
subcomponents of our products, particularly those produced in the PRC);

the ability to provide sufficient levels of technical support in different locations;

our ability to obtain business licenses that may be needed in international locations to support expanded operations;

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• 

timely  collecting  accounts  receivable  from  foreign  customers  including  $14.5  million in  accounts  receivable  from 
foreign customers as of December 31, 2015; and

• 

changes in tariffs, taxes, and foreign currency exchange rates.

Our profitability and ability to implement our business strategies, maintain market share and compete successfully 

in international markets will be compromised if we are unable to manage these and other international risks successfully. 

Unfavorable currency exchange rate fluctuations may lead to lower operating margins, or may cause us to raise prices, 
which could result in reduced sales.

Currency exchange rate fluctuations could have an adverse effect on our sales and results of operations and we could 
experience losses with respect to forward exchange contracts into which we may enter. Unfavorable currency fluctuations could 
require us to increase prices to foreign customers, which could result in lower net sales by us to such customers. Alternatively, 
if we do not adjust the prices for our products in response to unfavorable currency fluctuations, our results of operations could 
be materially and adversely affected. In addition, most sales made by our foreign subsidiaries are denominated in the currency 
of the country in which these products are sold and the currency in which they receive payment for such sales could be less 
valuable at the time of receipt as a result of exchange rate fluctuations. For example, in the year ended December 31, 2015, the 
currency rate for the Euro declined 10.3%. Given recent acquisitions in Europe, our exposure to fluctuations in the value of the 
Euro is becoming more significant. From time to time, we enter into forward exchange contracts and local currency purchased 
options to reduce currency exposure arising from intercompany sales of inventory. However, we cannot be certain that our efforts 
will be adequate to protect us against significant currency fluctuations or that such efforts will not expose us to additional 
exchange rate risks, which could materially and adversely affect our results of operations.

Changes in the value of the Chinese yuan could impact the cost of our operation in Shenzhen, PRC and our sales growth 
in our PRC markets.

The PRC government is continually pressured by its trading partners to allow its currency to float in a manner similar 
to other major currencies. In august 2015, China’s currency devalued by a cumulative 4.4% against the U.S. dollar, making 
Chinese exports cheaper and imports into China more expensive by that amount. The move suggests China is looking for ways 
to get its economy growing again. However, the move negatively impacts U.S. businesses that trade with China because it puts 
them at a cost disadvantage and the move will likely reignite criticism that the Chinese government keeps the currency artificially 
low to help its own manufacturers to the detriment of US based companies. Any change in the value of the Chinese yuan may 
impact our ability to control the cost of our products in the world market. Specifically, the decision by the PRC government to 
allow the yuan to begin to float against the United States dollar could significantly increase the labor and other costs incurred 
in the operation of our Shenzhen facility and the cost of raw materials, parts, components, and subassemblies that we source in 
the PRC, thereby having a material and adverse effect on our financial condition and results of operations.

We have been, and in the future may again be, involved in litigation. Litigation is costly and could result in further restrictions 
on our ability to conduct business or make use of market relationships we have developed, or an inability to prevent others 
from using technology.

Litigation may be necessary to enforce our commercial or property rights, to defend ourselves against claimed violations 
of such rights, or to protect our interests in regulatory, tax, customs, commercial, and other disputes or similar matters. Litigation 
often requires a substantial amount of our management's time and attention, as well as financial and other resources, including:

• 

• 

• 

• 

substantial costs in the form of legal fees, fines, and royalty payments;

restrictions on our ability to sell certain products or in certain markets;

an inability to prevent others from using technology we have developed; and

a need to redesign products or seek alternative marketing strategies.

Any  of  these  events  could  have  a  significant  adverse  effect  on  our  business,  financial  condition,  and  results  of 

operations.

Funds associated with our marketable securities that we have traditionally held as short-term investments may not be liquid 
or readily available.

In the past, certain of our investments have been affected by external market conditions that impacted the liquidity 
of the investment. We do not currently have investments with reduced liquidity, but external market conditions that we cannot 

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anticipate or mitigate may impact the liquidity of our marketable securities. Any changes in the liquidity associated with these 
investments may require us to borrow funds at terms that are not favorable or repatriate cash from international locations at a 
significant cost. We cannot be certain that we will be able to borrow funds or continue to repatriate cash on favorable terms, or 
at all. If we are unable to do so, our available cash may be reduced until those investments can be liquidated. The lack of available 
cash may prevent us from taking advantage of business opportunities that arise and may prevent us from executing some of our 
business plans, either of which could cause our business, financial condition or results of operations to be materially and adversely 
affected.

Our intangible assets may become impaired.

As of December 31, 2015, we have $42.7 million of goodwill and $34.1 million in intangible assets. We periodically 
review the estimated useful lives of our goodwill and identifiable intangible assets, taking into consideration any events or 
circumstances that might result in either a diminished fair value, or for intangible assets, a revised useful life. The events and 
circumstances  include  significant  changes  in  the  business  climate,  legal  factors,  operating  performance  indicators,  and 
competition. Any impairment or revised useful life could have a material and adverse effect on our financial position and results 
of operations, and could harm the trading price of our common stock. 

We are subject to numerous governmental regulations.

We are subject to federal, state, local and foreign regulations, including environmental regulations and regulations 
relating to the design and operation of our products and control systems and regulations governing the import, export and customs 
duties related to our products. We might incur significant costs as we seek to ensure that our products meet safety and emissions 
standards, many of which vary across the states and countries in which our products are used. In the past, we have invested 
significant resources to redesign our products to comply with these directives. Compliance with future regulations, directives, 
and standards could require us to modify or redesign some products, make capital expenditures, or incur substantial costs. Also, 
we may incur significant costs in complying with the myriad of different import, export and customs regulations as we seek to 
sell our products internationally. If we do not comply with current or future regulations, directives, and standards:

•  we could be subject to fines and penalties;

• 

our production or shipments could be suspended; and

•  we could be prohibited from offering particular products in specified markets.

If we were unable to comply with current or future regulations, directives and standards, our business, financial 

condition and results of operations could be materially and adversely affected.

Recently enacted financial reform legislation will result in new laws and regulations that may increase our costs of operations.

The Dodd-Frank Wall Street Reform and Consumer Protection Act (the "Dodd-Frank Act") requires various federal 
agencies to adopt a broad range of new implementing rules and regulations, and to prepare numerous studies and reports for 
Congress. On August 22, 2012, under the Dodd-Frank Act, the SEC adopted new requirements for companies that use certain 
minerals and metals, known as conflict minerals, in their products, whether or not these products are manufactured by third 
parties. These requirements will require companies to perform due diligence, disclose and report whether or not such minerals 
originate from the Democratic Republic of Congo and adjoining countries. We will have to perform sufficient due diligence to 
determine whether such minerals are used in the manufacture of our products.  However, the implementation of these new 
requirements could adversely affect the sourcing, availability and pricing of such minerals if they are found to be used in the 
manufacture of our products. In addition, we will incur additional costs to comply with the disclosure requirements, including 
costs related to determining the source of any of the relevant minerals and metals used in our products. Since our supply chain 
is complex, we may not be able to sufficiently verify the origins for these minerals and metals used in our products through the 
due diligence procedures that we implement, which may harm our reputation. In such event, we may also face difficulties in 
satisfying customers who require that all of the components of our products are certified as conflict mineral free. 

The market price of our common stock has fluctuated and may continue to fluctuate for reasons over which we have no 
control.

The stock market has from time to time experienced, and is likely to continue to experience, extreme price and volume 
fluctuations. Prices of securities of technology companies have been especially volatile and have often fluctuated for reasons 
that are unrelated to their operating performance. In the past, companies that have experienced volatility in the market price of 
their stock have been the subject of securities class action litigation. If we were the subject of securities class action litigation, 
it could result in substantial costs and a diversion of management’s attention and resources.

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Our operating results are subject to fluctuations, and if we fail to meet the expectations of securities analysts or investors, 
our share price may decrease significantly.

Our annual and quarterly results may vary significantly depending on various factors, many of which are beyond our 
control.  Because  our  operating  expenses  are  based  on  anticipated  revenue  levels,  our  sales  cycle  for  development  work  is 
relatively long, and a high percentage of our expenses are fixed for the short term, a small variation in the timing of recognition 
of revenue can cause significant variations in operating results from period to period. If our earnings do not meet the expectations 
of securities analysts or investors, the price of our stock could decline.

The loss of any of our key personnel could significantly harm our results of operations and competitive position.

Our success depends to a significant degree upon the continuing contributions of our key management, technical, 
marketing, and sales employees. There can be no assurance that we will be successful in retaining our key employees or that 
we can attract or retain additional skilled personnel as required. Failure to retain or attract key personnel could significantly 
harm our results of operations and competitive position. We must develop our personnel to provide succession plans capable of 
maintaining continuity in the midst of the inevitable unpredictability of personnel retention.  While we have plans for key 
management succession and long-term compensation plans designed to retain our senior employees, if our succession plans do 
not operate effectively, our business could be adversely affected.

We have historically made acquisitions and divestitures. However, we may not find suitable acquisition candidates in the 
future and  we may not  be able to successfully integrate and  manage  acquired businesses. In  either an  acquisition or  a 
divestiture, we may be required to make fundamental changes in our ERP, business processes and tools which could disrupt 
our core business and harm our financial condition.

In the past, we have made strategic acquisitions of other corporations and entities, as well as asset purchases, and we 
continue to evaluate potential strategic acquisitions of complementary companies, products, and technologies. We have also 
divested businesses. In the future, we could:

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

issue stock that would dilute our current stockholders' percentage ownership;

pay cash that would decrease our working capital;

incur debt;

assume liabilities; or

incur expenses related to impairment of goodwill and amortization.

Acquisitions and divestitures also involve numerous risks, including:

problems combining or separating the acquired/divested operations, systems, technologies, or products;

an inability to realize expected sales forecasts, operating efficiencies or product integration benefits;

difficulties in coordinating and integrating geographically separated personnel, organizations, systems, and facilities;

difficulties integrating business cultures;

unanticipated costs or liabilities;

diversion of management's attention from our core business;

adverse effects on existing business relationships with suppliers and customers;

potential loss of key employees, particularly those of purchased organizations;

incurring unforeseen obligations or liabilities in connection with either acquisitions or divestitures; and

the failure to complete acquisitions even after signing definitive agreements which, among other things, would result 
in the expensing of potentially significant professional fees and other charges in the period in which the acquisition or 
negotiations are terminated.

We cannot assure you that we will be able to successfully identify appropriate acquisition candidates, to integrate any 
businesses, products, technologies, or personnel that we might acquire in the future or achieve the anticipated benefits of such 
transactions, which may harm our business.

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Our existing credit facility contains restrictions that may limit our flexibility in operating our business.

In October 2012, we entered into a credit facility with Wells Fargo Bank, N.A. The credit facility contains various 
financial  and  negative  operating  covenants  that  limit  our  ability  to  engage  in  specified  types  of  transactions. The  financial 
covenant requires that we maintain a minimum fixed charge coverage ratio. The operating covenants limit our ability to, among 
other things:

• 

• 

• 

sell, transfer, lease or dispose of our assets;

create, incur or assume additional indebtedness;

encumber or permit liens on certain of our assets 

•  make restricted payments, including paying dividends on, repurchasing or making distributions with respect to our 

common stock;

•  make specified investments (including loans and advances);

• 

• 

consolidate, merge, sell or otherwise dispose of all or substantially all of our assets; and

enter into certain transactions with our affiliates.

A breach of any of these covenants or a material adverse change to our business could result in a default under the 
credit agreement. Upon the occurrence of an event of default under our credit agreement, our lenders could elect to declare all 
amounts outstanding to be immediately due and payable and terminate all commitments to extend further credit. If we were 
unable to repay those amounts, the lenders could proceed against the collateral granted to them to secure such indebtedness. 
Please see Note 22. Credit Facility in ITEM 8 "Financial Statements and Supplementary Data" for more information on our 
credit facility.

Deterioration of economic conditions could negatively impact our business. 

Our business may be adversely affected by changes in national or global economic conditions, including inflation, interest rates, 
availability of capital markets, consumer spending rates, energy availability and costs (including fuel surcharges) and the effects 
of governmental initiatives to manage economic conditions. Any such changes could adversely affect the demand for our products 
both in domestic and export markets, or the cost and availability of our needed raw materials and packaging materials, thereby 
negatively affecting our financial results. 

A disruption in credit and other financial markets and deterioration of national and global economic conditions, could, among 
other things: 

• 

 negatively impact global demand for our products, which could result in a reduction of sales, operating income and 
cash flows;

•  make it more difficult or costly for us to obtain financing for our operations or investments or to refinance our debt in 

the future;

• 

• 

• 

cause our lenders to depart from prior credit industry practice and make more difficult or expensive the granting of any 
technical or other waivers under our debt agreements to the extend we may seek them in the future;

decrease the value of our investments; and

impair the financial viability of our insurers.

ITEM 1B. 

UNRESOLVED STAFF COMMENTS

None.

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ITEM 2. 

PROPERTIES

Information concerning our principal properties at December 31, 2015 is set forth below:

Location
Fort Collins, CO

Principal Activity

Corporate headquarters, research and development, distribution, sales, and
service

Ownership
Leased

Villaz-St-Pierre, Switzerland

Research and development

San Jose, CA

Vancouver, WA

Georgetown, MA

Toronto, Canada

Shanghai, China

Shenzhen, China

Distribution, sales, and service, research and development

Research and development, manufacturing, distribution, sales, and service

Service

Service

Distribution and sales

Manufacturing, distribution, service, and research and development

Metzingen, Germany

Distribution, sales, and service

Warstein-Belecke, Germany

Research, distribution, sales, and service

Pune, India

Tokyo, Japan

Distribution and sales

Sales

Hwasung Kyunggi-do, South Korea

Distribution, sales, and service

Sungnam City, South Korea

Distribution, sales, service and research and development

Singapore

Taipei, Taiwan

Sales and service

Distribution, sales, and service

Littlehampton, United Kingdom

Manufacturing, distribution, service, and research and development

Ronkonkoma, New York

Manufacturing, distribution, service, and research and development

Leased

Leased

Leased

Leased

Leased

Leased

Leased

Leased

Leased

Leased

Leased

Leased

Owned

Leased

Leased

Leased

Leased

We consider the properties that we own or lease as adequate to meet our current and future requirements. We regularly 
assess the size, capability, and location of our global infrastructure and periodically make adjustments based on these assessments.

ITEM 3. 

LEGAL PROCEEDINGS

We are presently involved in disputes and legal actions arising in the normal course of our business. While we currently 
believe that the amount of any ultimate loss  would not  be  material to our  financial position, the outcome of these actions is 
inherently difficult to predict. In the event of an adverse outcome, the ultimate loss could have a material adverse effect on our 
financial position or reported results of operations. An unfavorable decision in patent litigation could require material changes in 
production processes and products or result in our inability to ship products or components found to have violated third-party 
patent rights. An unfavorable decision in a collection action against a customer we sold products to, or a claim or counterclaim 
from a customer related to alleged product failures, could also have a material adverse effect on our financial position or reported 
results of operations. We are engaged presently in such disputes and legal actions with customers for the inverter product line. We 
accrue loss contingencies in connection with our commitments and contingencies, including litigation, when it is probable that a 
loss has occurred and the amount of the loss can be reasonably estimated.

German Lawsuit against Jolaos related to Purchase Price Adjustment in Acquisition of Refusol 

               On April 8, 2013, our subsidiary AEI Holdings GmbH (“AEI Holdings”) acquired all the outstanding shares of Refusol 
Holding GmbH ("Refusol") from Jolaos Verwaltungs GmbH ("Jolaos") pursuant to the terms of a Sale and Purchase Agreement 
(the “SPA”). Under the SPA, the preliminary base price paid for the shares of Refusol was subject to a post-closing balance sheet 
adjustment based on confirmation of the financial statements of Refusol effective as of the closing date. AEI Holdings and Jolaos 
are  in  disagreement  on  various  accounting  adjustments  to  the  closing  date  financial  statements  of  Refusol. After  repeated 
unsuccessful attempts to have Jolaos submit the dispute to an independent German accounting firm as required under the SPA, in 
December 2013 AEI Holdings petitioned the designated District Court in Stuttgart (Landgericht Stuttgart), Germany to review 
the dispute.  Jolaos claimed that legal interpretations were required before the closing date financial statements could be submitted 
to an independent German accounting firm. AEI Holdings disagreed with Jolaos’ contentions in the case. This matter was settled 
in the fourth quarter of 2015.

ITEM 4. 

MINE SAFETY DISCLOSURES

None.

22

Table of Contents

PART II

ITEM 5. 

MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND 
ISSUER PURCHASES OF EQUITY SECURITIES

Principal Market and Price Range of Common Stock

Our common stock is listed on the NASDAQ Global Select Market under the symbol “AEIS.” At February 23, 2016, 
the number of common stockholders of record was 384, and the closing sale price of our common stock on the NASDAQ Global 
Select Market on that day was $29.14 per share.

The table below shows the range of high and low closing sale prices for our common stock as quoted (without retail 

markup or markdown and without commissions) on the NASDAQ Global Select Market: 

First Quarter

Second Quarter

Third Quarter
Fourth Quarter

Dividend Policy

2015

2014

High

Low

High

Low

$ 27.35

$ 22.29

$ 28.88

$ 22.88

29.39

27.73
29.88

24.31

23.47
26.14

25.86

19.90
24.19

16.87

16.60
16.72

We have not declared or paid any cash dividends on our capital stock in our history as a public company. We currently 
intend to retain all future earnings to finance our business or make stock repurchases and do not anticipate paying cash or other 
dividends on our common stock in the foreseeable future.

Share Repurchases

In May 2014, our Board of Directors authorized a program to repurchase up to $25.0 million of our stock over a twelve-
month period. Under this program, we repurchased and retired 1.4 million shares of our common stock for a total of $25.0 million. 
As of June 30, 2014 we completed the share repurchase program. All shares repurchased were executed in the open market and 
no shares were repurchased from related parties. Repurchased shares were retired and assumed the status of authorized and unissued 
shares.

In September 2015, our Board of Directors authorized a program to repurchase up to $150.0 million of our stock over 
a thirty-month period. Under this program, on November 6, 2015, we entered into an accelerated stock repurchase arrangement 
with Morgan Stanley & Co. LLC (the “Counterparty”) pursuant to a Fixed Dollar Accelerated Share Repurchase Transaction (the 
“ASR Agreement”) to purchase $50.0 million of shares of our common stock. On November 9, 2015, we advanced  $50.0 million 
to the Counterparty. This transaction used $39.6 million and we received 1.4 million shares of our common stock based on then-
current market prices of the $50.0 million advanced, representing 79% of the estimated shares to be repurchased under the ASR 
Agreement. The initial payment was recorded as a reduction to Stockholders' equity in our Consolidated Balance Sheets as of 
December 31, 2015. The total number of shares repurchased under the ASR Agreement is based on the average of the daily volume-
weighted average prices of the common stock during the term of the Agreement, less a discount. At settlement, if the Counterparty 
pays less than the original amount advanced, they will be required to reimburse us. If the Counterparty pays more than the original 
advance, we will chose to reimburse the Counterparty with either cash or additional shares. Final settlement of the ASR Agreement 
is expected to occur in the second quarter of 2016.

The following table summarizes information with respect to the company's purchase of its common stock during the 

year ended December 31, 2015 (in thousands, except for average price per share):

Month

November - ASR (1)

Total

Total Number
of Shares
Purchased

Average Price
Paid per
Share

1,382

$

28.67

1,382

Total Number of Shares
Purchased as Part of
Publicly Announced
Program

Approximate Value of
Shares that May Yet Be
Purchased Under the
Program

1,382

1,382

$

110,387

(1) Shares purchased in November 2015 does not include the final share delivery amount under the ASR Agreement.

23

Table of Contents

Performance Graph

The performance graph below shows the five-year cumulative total stockholder return on our common stock during 
the period from December 31, 2010 through December 31, 2015. This is compared with the cumulative total return of the NASDAQ 
Composite Index and the Philadelphia Semiconductor Index (PHLX) over the same period. The comparison assumes $100 was 
invested on December 31, 2010 in Advanced Energy common stock and in each of the foregoing indices and assumes reinvestment 
of dividends, if any. Dollar amounts in the graph are rounded to the nearest whole dollar. The performance shown in the graph 
represents past performance and should not be considered an indication of future performance.

*$100 invested on 12/31/10 in our stock or index, including reinvestment of dividends. Indices and our stock performance calculated on a 
calendar year-end basis.

Advanced Energy Industries, Inc.
NASDAQ Composite
PHLX Semiconductor

12/10

12/11

12/12

12/13

12/14

12/15

$

100.00
100.00
100.00

$

78.67
100.53
103.93

$

101.24
116.92
114.90

$

167.60
166.19
152.42

$

173.75
188.78
194.30

$

206.96
199.95
180.02

24

Table of Contents

ITEM 6. 

SELECTED FINANCIAL DATA

The selected Consolidated Statements of Operations data and the related Consolidated Balance Sheets data were derived 
from  our  audited  Consolidated  Financial  Statements. The  information  below  is  not  necessarily  indicative  of  results  of  future 
operations and should be read in conjunction with Item 7, “Management’s Discussion and Analysis of Financial Condition and 
Results of Operations” of this Form 10-K in order to understand more fully the factors that may affect the comparability of the 
information presented below:

Consolidated Statements of Operations Data:
Sales
Operating income
Income from continuing operations before income taxes
Income from continuing operations, net of income taxes
(Loss) income from discontinued operations, net of income taxes
Net (loss) income
Earnings per Share:

2015

$ 414,811
106,656
105,442
83,482
(241,968)
(158,486)

2014

2012

Years Ended December 31,
2013
(In thousands, except per share data)
$ 228,287
$ 299,381
$ 367,333
17,446
47,847
86,091
19,698
48,322
86,005
11,997
59,710
69,495
8,584
(27,624)
(22,513)
20,581
32,086
46,982

2011

$ 301,473
42,847
43,749
31,944
4,370
36,314

Continuing Operations:
Basic earnings per share
Diluted earnings per share
Discontinued Operations:

Basic (loss) earnings per share
Diluted (loss) earnings per share

Net (Loss) Income:

Basic (loss) earnings per share
Diluted (loss) earnings per share

Basic weighted-average common shares outstanding
Diluted weighted-average common shares outstanding
Consolidated Balance Sheets Data:
Total assets

$
$

$
$

$
$

2.05
2.03

$
$

1.72
1.69

$
$

1.51
1.47

$
$

(5.94) $
(5.94) $

(0.56) $
(0.56) $

(0.70) $
(0.70) $

(3.89) $
(3.89) $

1.16
1.14

$
$

0.81
0.79

$
$

0.31
0.30

0.22
0.22

0.53
0.52

$
$

$
$

$
$

0.73
0.73

0.10
0.10

0.84
0.83

40,746
41,077

40,420
41,034

39,597
40,667

38,879
39,447

43,465
43,954

$ 462,688

$ 684,568

$ 652,977

$ 537,242

$ 532,460

ITEM 7. 

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF 
OPERATIONS

Certain statements set forth below under this caption constitute forward-looking statements. See “Business — Special 
Note Regarding Forward-Looking Statements” in ITEM 1 of this Annual Report on Form 10-K for additional factors relating to 
such statements, and see “Risk Factors” in Item 1A for a discussion of certain risks applicable to our business, financial condition 
and results of operations.

Overview 

We design, manufacture, sell, and support power conversion products that transform power into various usable forms. 
Our products enable manufacturing processes that use thin film for various products, such as semiconductor devices, flat panel 
displays, thin film renewables, architectural glass, optical coating and consumer products decorative and functional coating. We 
also supply thermal instrumentation products for advanced temperature control in the thin film process for these same markets. 
Our power control modules provide power control solutions for industrial applications where heat treatment and processing are 
used such as glass manufacturing, metal fabrication and treatment, material and chemical processing. Our high voltage power 
supplies and modules are used in applications such as semiconductor ion implantation, scanning electron microscopy, chemical 
analysis such as mass spectrometry and various applications using X-ray technology and electron guns for both analytical and 
processing applications. Our network of global service support centers provides a recurring revenue opportunity as we offer repair 
services, conversions, upgrades, and refurbishments and used equipment to companies using our products. 

As of December 31, 2015, we have discontinued our inverter engineering, manufacturing and sales of our inverter product 
line. As such, all inverter product revenues, costs, assets and liabilities are reported in "Loss from discontinued operations, net of 
income taxes" in all periods in our Consolidated Statements of Operations. 

As always, we enter 2016 looking to strengthen our position and grow revenue through new products, design wins, new 

applications and geographical growth, continuously emphasizing margin expansion, cash generation and cost improvement. 

25

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

CRITICAL ACCOUNTING ESTIMATES

The preparation of Consolidated Financial Statements and related disclosures in conformity with accounting principles 
generally accepted in the United States of America (“U.S. GAAP”) requires management to make judgments, assumptions, and 
estimates that affect the amounts reported. Note 1. Operations and Summary of Significant Accounting Policies and Estimates in 
ITEM 8 "Financial Statements and Supplementary Data" describes the significant accounting policies used in the preparation of 
our Consolidated Financial Statements. The accounting positions described below are significantly affected by critical accounting 
estimates. Such accounting positions require significant judgments, assumptions, and estimates to be used in the preparation of 
the Consolidated Financial Statements, actual results could differ materially from the amounts reported based on variability in 
factors affecting these statements.

Revenue Recognition

We recognize revenue from product sales upon transfer of title and risk of loss to our customers provided that there is 
evidence of an arrangement, the sales price is fixed or determinable, and the collection of the related receivable is reasonably 
assured. In most transactions, we have no obligations to our customers after the date products are shipped, other than pursuant to 
warranty obligations. Shipping and handling fees billed to customers, if any, are recognized as revenue. The related shipping and 
handling costs are recognized in cost of sales.

We maintain a credit approval process and we make significant judgments in connection with assessing our customers’ 
ability to pay at the time of shipment. Despite this assessment, from time to time, our customers are unable to meet their payment 
obligations. We continuously monitor our customers’ credit worthiness, and use our judgment in establishing a provision for 
estimated credit losses based upon our historical experience and any specific customer collection issues that we have identified. 
While such credit losses have historically been within our expectations and the provisions established, a significant change in the 
liquidity or financial position of our customers could have a material adverse impact on the collectability of accounts receivable 
and our future operating results. Additionally, if our credit loss rates prove to be greater than we currently estimate, we record 
additional reserves for doubtful accounts.

Inventory

We value our inventory at the lower of cost (first-in, first-out method) or market. We regularly review inventory quantities 
on hand and record a provision to write-down excess and obsolete inventory to its estimated net realizable value, if less than cost, 
based primarily on our estimated forecast of product demand. Demand for our products can fluctuate significantly. Our industry 
is subject to technological change, new product development, and product technological obsolescence that could result in an 
increase in the amount of obsolete inventory quantities on hand. Therefore, any significant unanticipated changes in demand or 
technological developments in excess of our current estimates could have a significant impact on the value of our inventory and 
our reported operating results. 

Warranty Costs

We provide for the estimated costs to fulfill customer warranty obligations upon the recognition of the related revenue. 
We offer warranty coverage for a majority of our Precision Power products for periods typically ranging from 12 to 24 months 
after shipment. We warranted our inverter products for five to ten years and provided the option to purchase additional warranty 
coverage up to 20 years. The warranty expense accrued related to our standard inverter product warranties is now considered part 
of our discontinued operations and is recorded as such on our Consolidated Balance Sheets. See Note 3. Discontinued Operations 
in ITEM 8 "Financial Statements and Supplementary Data" for more information on our discontinued operations and Note 14. 
Warranties in ITEM 8 "Financial Statements and Supplementary Data" for more information on our warranties from continuing 
operations. We estimate the anticipated costs of repairing our products under such warranties based on the historical costs of the 
repairs. The assumptions we use to estimate warranty accruals are reevaluated periodically, in light of actual experience, and when 
appropriate, the accruals are adjusted. Should product failure rates differ from our estimates, actual costs could vary significantly 
from our expectations.

Intangible Assets, Goodwill and Other Long-Lived Assets

As a result of our acquisitions, we recorded intangible assets and goodwill. Goodwill and indefinite-lived intangible 
assets are subject to annual impairment testing, as well as testing upon the occurrence of any event that indicates a potential 
impairment. The annual impairment test can be performed using an assessment of qualitative factors in determining if it is more 
likely than not that goodwill is impaired. If this assessment indicates that it is more likely than not that goodwill is impaired, then 
the next step of impairment testing compares the fair value of a reporting unit to its carrying value. Goodwill would be impaired 
if the resulting implied fair value of goodwill was less than the recorded carrying value of the goodwill. 

Finite-lived intangible assets and other long-lived assets are subject to an impairment test if there is an indicator of 
impairment. When we determine that the carrying value of intangibles or other long-lived assets may not be recoverable based 

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Table of Contents

upon the existence of one or more indicators of impairment, we use the projected undiscounted cash flow method to determine 
whether an impairment exists, and then measure the impairment using discounted cash flows and other fair value measurements. 
The carrying value and ultimate realization of these assets is dependent upon our estimates of future earnings and benefits that 
we expect to generate from their use. If our expectations of future results and cash flows are significantly diminished, intangible 
assets, long-lived assets, and goodwill may be impaired and the resulting charge to operations may be material. Additionally, the 
estimation of useful lives and expected cash flows require us to make significant judgments regarding future periods that are 
subject to some factors outside of our control. Changes in these estimates could result in significant revisions to our carrying value 
of these assets and may result in material charges to our results of operations.

In 2015, we performed an assessment of qualitative factors for our annual impairment test of the goodwill associated 
with our Precision Power business unit. The factors reviewed included macroeconomic conditions, industry and market conditions, 
cost factors, and overall financial performance of each business unit. This assessment resulted in the conclusion that there was no 
impairment of goodwill in our Precision Power business in 2015. 

In June 2015 the Company completed its six-month long process of seeking strategic alternatives for its inverter business 
and no satisfactory offers were received for all or a part of the inverter business. On June 29, 2015, we announced our decision 
to wind down our solar inverter business to focus solely on our Precision Power business. The result of this assessment was the 
recording of various asset impairments including Goodwill and Intangibles which is reflected in the "Loss from discontinued 
operations, net of income taxes" on our Consolidated Statements of Operations, as we have discontinued our inverter products as 
of December 31, 2015. See Note 3. Discontinued Operations in ITEM 8 "Financial Statements and Supplementary Data."

Income Taxes

We are subject to income taxes in the United States and numerous foreign jurisdictions. Significant judgment is required 
in determining our provision for income taxes and income tax assets and liabilities, including evaluating uncertainties in the 
application  of  accounting  principles  and  complex  tax  laws.  We  record  a  provision  for  income  taxes  for  the  anticipated  tax 
consequences of the reported results of operations using the asset and liability method. Under this method, we recognize deferred 
tax assets and liabilities for the expected future tax consequences of temporary differences between the financial reporting and 
tax bases of assets and liabilities, as well as for operating loss and tax credit carryforwards. Deferred tax assets and liabilities are 
measured using the tax rates that are expected to apply to taxable income for the years in which those tax assets and liabilities are 
expected to be realized or settled. We record a valuation allowance to reduce our deferred tax assets to the net amount that we 
believe is more likely than not to be realized. We recognize tax benefits from uncertain tax positions only if we believe that it is 
more likely than not that the tax position will be sustained on examination by the taxing authorities based on the technical merits 
of the position. Although we believe that we have adequately reserved for our uncertain tax positions, we can provide no assurance 
that the final tax outcome of these matters will not be materially different. We make adjustments to these reserves when facts and 
circumstances change, such as the closing of a tax audit or the refinement of an estimate. To the extent that the final tax outcome 
of these matters is different than the amounts recorded, such differences will affect the provision for income taxes in the period 
in which such determination is made and could have a material impact on our financial condition and operating results. The 
provision for income taxes includes the effects of any reserves that we believe are appropriate, as well as the related net interest 
and penalties. For more details see Note. 4 Income Taxes in ITEM 8 "Financial Statements and Supplementary Data."

Business Environment and Trends

SEMICONDUCTORS

Investment in semiconductor capital equipment spending worldwide was essentially flat year over year in 2015. After 
entering into 2015 with a record first quarter sales to our semiconductor OEM customers that continued near this level through 
Q3, there was a decrease in investments in Q4. Even as the semi equipment industry experienced this pause, the trends of increased 
usage of mobility, connectivity and the cloud continue to increase demand for higher density memory, high speed logic devices 
and lower power consumption, which we expect to continue going forward. Capital spending across the industry should lend itself 
to next-generation technologies, such as 3D devices, 3D packaging and multi-patterning in logic and foundry. 

The industry's transition to 3D devices is generating increasing demand for RF power supplies and accessories. The 
growing number of steps associated with the deposition and etch processes is driving an increase in the number of process chambers 
per fab and higher content of more advanced power solutions per chamber. As etching processes become more challenging due 
to increasing aspect ratios in advanced 3D devices, more advanced RF technology that includes pulsing and increased control and 
instrumentation is needed. We are capitalizing on these trends and providing a broader range of more complex combinations of 
RF power and frequencies and launching more capable matching networks to manage and control the delivered power.

INDUSTRIAL CAPITAL EQUIPMENT

 In industrial applications, we remain focused on taking our products to new applications and world regions, increasing 
our  penetration into Asia,  Europe,  and  North America. We  made  gains  across  an  array  of  industries  ranging  from  defense  to 

27

 
 
 
 
Table of Contents

analytical equipment. We believe large area LCD demand will continue in 2016 with an improved outlook for larger and higher 
definition TVs. We believe our power conversion technologies for both AC and DC sputtering are well-positioned in these markets 
and we will benefit from increased demand as panels with thin film technologies improve efficiencies.

Throughout 2015, demand for our products used in many industrial thin film coating markets increased, particularly in 
industrial manufacturing areas for products such as automotive parts, machine tools, electro-magnetic interference films, aesthetic, 
optical and tribological coatings. We expect this demand to continue in 2016. AE will continue to strengthen its position in these 
markets through internal product development and potential acquisition of complimentary product lines. These complimentary 
products  will  also  allow  us  to  participate in  emerging  and  established  precision  power  conversion applications  by  delivering 
customers value through improved process control with more flexibility to address diverse application requirements.

Results of Operations

Our analysis presented below is organized to provide the information we believe will facilitate an understanding of our 
historical performance and relevant trends going forward. Our results of operations include the results of PCM, HiTek, and UltraVolt 
from their respective acquisition dates of: January 27, 2014, April 12, 2014, and August 4, 2014, through December 31, 2014 and 
the full year ended December 31, 2015. This discussion should be read in conjunction with our Consolidated Financial Statements, 
including the notes thereto, in Item 8 of this Annual Report on Form 10-K.

REPORTING IN FISCAL 2015 

As of December 31, 2015, Advanced Energy is organized as a single business unit, as we discontinued our inverter 
products, manufacturing and sales as of December 31, 2015. See Note 3. Discontinued Operations in ITEM 8 "Financial Statements 
and Supplementary Data." All prior periods disclosed have been recast to reflect continuing operations. Results of discontinued 
operations  are  reflected  in  the  "Loss  from  discontinued  operations,  net  of  income  taxes"  in  our  Consolidated  Statements  of 
Operations. We principally serve our OEM and end customers in the semiconductor, flat panel display, high voltage, solar panel, 
and other capital equipment markets. 

The  following  table  sets  forth,  for  the  periods  indicated,  certain  data  derived  from  our  Consolidated  Statements  of 

Operations (in thousands):

Years Ended December 31,
2014

2013

2015

Sales
Gross profit
Operating expenses
Operating income
Other income (expense)
Income from continuing operations before income taxes
Provision (benefit) for income taxes
Income from continuing operations, net of income taxes

$ 414,811
216,870
110,214
106,656
(1,214)
105,442
21,960
83,482

$

$

$

367,333
188,060
101,969
86,091
(86)
86,005
16,510
69,495

$ 299,381
145,593
97,746
47,847
475
48,322
(11,388)
59,710

$

The following table sets forth, for the periods indicated, the percentage of sales represented by certain items reflected in 

our Consolidated Statements of Operations:

Sales

Gross profit

Operating expenses

Operating income

Other income (expense)

Income from continuing operations before income taxes

Provision (benefit) for income taxes

Income from continuing operations, net of income taxes

28

Years Ended December 31,

2015

2014

2013

100.0 %

100.0 %

100.0 %

52.3 %

26.5 %

25.8 %

(0.3)%

25.5 %

5.3 %

20.2 %

51.2 %

27.7 %

23.5 %

— %

23.5 %

4.5 %

19.0 %

48.6 %

32.7 %

15.9 %

0.1 %

16.0 %

(3.8)%

19.8 %

 
 
 
 
 
 
 
Table of Contents

SALES

The following tables summarize annual net sales, and percentages of net sales, by product line for each of the years 

ended 2015, 2014, and 2013 (in thousands):

Semiconductor capital equipment market
Industrial capital equipment
Global Support

Total

Years Ended December 31,

Increase

2015
$ 266,465
84,217
64,129
$ 414,811

2014
$ 234,223
78,585
54,525
$ 367,333

2013
$ 176,230
70,575
52,576
$ 299,381

2015 v.
2014
$ 32,242
5,632
9,604
$ 47,478

2014 v.
2013
$ 57,993
8,010
1,949
$ 67,952

Percent Change
2014 v.
2015 v.
2014
2013
13.8%
7.2%
17.6%
12.9%

32.9%
11.3%
3.7%
22.7%

Semiconductor capital equipment market
Industrial capital equipment
Global Support

Total

2015 SALES COMPARED TO 2014 

Years Ended December 31,
2013
2014
2015

64.2%
20.3%
15.5%
100.0%

63.8%
21.4%
14.8%
100.0%

58.9%
23.6%
17.6%
100.0%

Total sales for the twelve months ended December 31, 2015 increased 12.9% to $414.8 million from $367.3 million 
for the twelve months ended December 31, 2014. The increase in sales was driven by strong semiconductor sales through the third 
quarter, coupled with the addition of a full year of sales from our high voltage lines acquired mid-year in 2014.

In 2015, sales in our thin film semiconductor market increased 13.8% to $266.5 million, or 64.2% of sales, from $234.2 
million, or 63.8% of sales in 2014. This increase was driven by strong market conditions across the semiconductor market driven 
by our leadership in etch applications. As expected, we saw investment levels decrease in the fourth quarter in line with the rest 
of the market.

Sales to the industrial capital equipment markets increased 7.2% to $84.2 million, or 20.3% of sales in 2015, from 
$78.6 million, or 21.4% of sales in 2014. The markets that comprise our Industrial capital equipment markets include flat panel 
display, thin film renewables, data storage, architectural glass, and other industrial thin-film manufacturing equipment markets 
such as automotive parts and optical coatings. Our acquisitions of high voltage and power control module product lines were a 
primary driver of the increase in the Industrial market.

Global support revenue increased by 17.6% for 2015 to $64.1 million, or 15.5% of total sales, as compared to $54.5 
million, or 14.8% of total sales in 2014. This increase in sales due to market share gains in break/fix repairs as key end users move 
back to AE and away from third party repairs.  Additionally, our non-break/fix business saw the accelerated growth in upgrades 
and retrofits of older AE Legacy products experienced in 2014 continue into 2015. 

2014 SALES COMPARED TO 2013

Total sales increased 22.7% to $367.3 million in 2014 as compared to $299.4 million in 2013. The increase in sales 
was driven by an increase in spending in the semiconductor market, with large capital investments being made for new production 
capacity.  Additionally, the acquisitions of high voltage and power control module product lines in early to mid-2014 drove higher 
sales in the industrial business.  

In 2014, sales in our thin film semiconductor market increased 32.9% to $234.2 million, or 63.8% of sales, from $176.2 
million or 58.9% of sales in 2013. This increase was driven by a strong increase in capital investments in the second half of 2014 
and our increasing presence in etch applications from design wins for our new RF pulsing technology products. Additionally, our 
high voltage product line acquisitions added to our semiconductor market sales.

Sales to the industrial capital equipment markets increased 11.3% to $78.6 million, or 21.4% of sales in 2014, from $70.6 
million, or 23.6% of sales in 2013. The markets that comprise our Industrial capital equipment markets include flat panel display, 
thin film renewables, data storage, architectural glass, and other industrial thin-film manufacturing equipment markets such as 
automotive parts and optical coatings. Our acquisitions of high voltage and power control module product lines were a primary 
driver of the increase in the Industrial market.

29

 
 
 
 
 
 
 
Table of Contents

Global  support  revenue increased by 3.7% for 2014 to $54.5  million,  or 14.8% of  total  sales,  as  compared  to  $52.6 
million, or 17.6% of total sales in 2013. Despite slight market share loss early in the year, the latter half of 2014 saw an increase 
in sales due to market share gains in break/fix repairs. 

Applied Materials Inc., our largest customer, accounted for $123.5 million or 29.8% of our sales in 2015; $109.3 million, 
or 29.8% of our sales in 2014; and $96.2 million, or 32.1%, of our sales in 2013. Our sales to Applied Materials Inc. included 
sales for the semiconductor capital equipment market, as well as the solar and flat panel display markets.

GROSS PROFIT

Our gross profit was $216.9 million or 52.3% of revenue in 2015 compared to $188.1 million or 51.2% of revenue in 
2014. The increase was primarily driven by an increase in sales as we expand into new markets with higher margins and continue 
to drive design wins.

Gross profit was $188.1 million, or 51.2% of revenue in 2014 and $145.6 million, or 48.6% of revenue in 2013. The 
increase  in  terms  of  absolute  dollars  was  a  result  of  higher  sales. Additionally,  continuous  improvement  on  manufacturing 
efficiencies is driving higher revenue.

OPERATING EXPENSE

The following table summarizes our operating expenses as a percentage of sales for the years ended 2015, 2014 and 

2013 (in thousands):

2015

Years Ended December 31,
2014

2013

Research and development
Selling, general, and administrative
Amortization of intangible assets
Restructuring charges
Total operating expenses

$

39,551
66,097
4,368
198
$ 110,214

9.5% $

15.9%
1.1%
—%

36,915
58,549
4,998
1,507
26.5% $ 101,969

10.0% $
15.9%
1.4%
0.4%
27.7% $

35,383
57,334
850
4,179
97,746

11.8%
19.2%
0.3%
1.4%
32.7%

We expect to continue to leverage our selling, general and administrative costs as revenues grow and expect to increase 

our investment in research and development. 

In June 2015, we committed to a restructuring plan  in relation to the wind down of our Inverter business which concluded  
December 31, 2015 and has been reflected as discontinued operation as of December 31, 2015. See Note 3. Discontinued Operations 
in ITEM 8 "Financial Statements and Supplementary Data." As a result of discontinued operations, amounts of general corporate 
overhead which had previously been reflected in our inverter segment have been included in the total operating expense in the 
table above in all periods presented. 

In April 2014, we committed to a restructuring plan to take advantage of additional cost savings opportunities in connection 
with our acquisitions and realignment to a single organizational structure based on product line. The plan called for consolidating 
certain facilities and rebranding of products to allow us to use our resources more efficiently. This plan was completed in the fourth 
quarter of 2014. 

In April 2013, we committed to a restructuring plan to take advantage of additional cost saving opportunities in connection 
with our acquisition of Refusol. The plan called for consolidating certain facilities, further centralizing our manufacturing and 
rationalizing certain products to most effectively meet customer needs. All activities under this restructuring plan were completed 
prior to December 31, 2013.

Research and Development

The markets we serve constantly present opportunities to develop products for new or emerging applications and require 
technological changes driving for higher performance, lower cost, and other attributes that will advance our customers’ products. 
We believe that continued and timely development of new and differentiated products, as well as enhancements to existing products 
to support customer requirements, are critical for us to compete in the markets we serve. Accordingly, we devote significant 
personnel and financial resources to the development of new products and the enhancement of existing products, and we expect 
these investments to continue. All of our research and development costs have been expensed as incurred.

Research and development expenses for the twelve months ended December 31, 2015 increased $2.6 million from the 
same period in 2014 and $1.5 million in the twelve months ended December 31, 2014 as compared to the same period in 2013. 

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The increase is mainly due to the full year of costs from PCM, HiTek, and UltraVolt, in 2015, which were acquired throughout 
2014. The acquisitions also drove the increase between the years ended December 31, 2014 and 2013.

Selling, General and Administrative

Our selling expenses support domestic and international sales and marketing activities that include personnel, trade 
shows, advertising, internal and third-party sales representative commissions, and other selling and marketing activities. Our 
general and administrative expenses support our worldwide corporate, legal, tax, financial, governance, administrative, information 
systems, and human resource functions in addition to our general management.

Selling general and administrative ("SG&A") expenses increased $7.5 million in the twelve months ended December 31, 
2015 as compared to the same period in 2014 primarily due to an increase in asset retirement obligations and bad debt expense, 
offset slightly by lower corporate spending.

SG&A expenses increased $1.2 million in the twelve months ended December 31, 2014 as compared to the same period 

in 2013. The increase is due to the acquisitions of PCM, HiTek, and UltraVolt throughout 2014.

Amortization Expense

Amortization expense was $4.4 million for the twelve months ended December 31, 2015, compared to $5.0 million for 
the same period ending December 31, 2014 and $0.9 million for the same period ending December 31, 2013. The decrease of $0.6 
million in 2015 is  primarily due to the completion of the amortization of short-lived intangible assets acquired from PCM in 2014 
coupled with the decrease in foreign exchange rates in Europe. The increase in amortization expense between 2013 and 2014 is 
due primarily to the acquisitions of PCM, HiTek, and UltraVolt, which added $15.0 million, $12.6 million, and $10.9 million, 
respectively, of amortizable intangible assets. 

Restructuring Charges

As a result of declines in certain markets that we serve, we initiated a plan in September 2011 to re-align our manufacturing 
and research and development activities to be closer to our customers and reduce production costs. These initiatives included 
headcount reductions, facilities closures, and asset impairments and were completed in the fourth quarter of 2012. 

In April  2013,  in  connection  with  our  acquisition  of  Refusol  described  in  Note  2.  Business Acquisitions  in  ITEM  8 
"Financial Statements and Supplementary Data," we committed to a restructuring plan to take advantage of additional cost saving 
opportunities. These initiatives also included reductions in headcount, facility closures, and intangible asset impairments. This 
plan was substantially completed as of December 31, 2013.

In April 2014, we committed to a restructuring plan to take advantage of additional cost savings opportunities in connection 
with our acquisitions and realignment to a single organizational structure based on product line. The plan called for consolidating 
certain facilities and rebranding of products to allow us to use our resources more efficiently. This plan was completed as of 
December 31, 2014.

Other Income

Other  income  consists  primarily  of  interest  income  and  expense,  foreign  exchange  gains  and  losses,  and  other 

miscellaneous items.

Interest (expense) income for the twelve month periods ending December 31, 2015, 2014, and 2013 was $(0.9) million, 
$(0.5) million, and $0.4 million, respectively. The change between all periods was driven by reductions in interest income due to 
lower marketable securities held and lower interest rates in China.

Other (expense) income, net was $(1.2) million in 2015, $(0.1) million in 2014 and $0.5 million in 2013. The change 
between 2015 and 2014 was driven by the decrease in foreign exchange rates  coupled with a one-time settlement related to ending 
our relationship with a third-party service provider. 

Provision for Income Taxes

We recorded a 2015 income tax expense of $22.0 million or an effective tax rate of 20.8%.  The effective rate differs 
from the federal statutory rate of 35% primarily due to the benefit of earnings in foreign jurisdictions which are subject to lower 
tax rates, federal research and development tax credit benefit, offset by a valuation allowance recorded on prior year foreign 
inverter business deferred tax assets. 

We recorded a 2014 income tax expense of $16.5 million or an effective tax rate of 19.2%. The effective rate differs from 
the federal statutory rate of 35% primarily due to the benefit of earnings in foreign jurisdictions which are subject to lower tax 
rates, and a benefit from the federal research and development tax credit.

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We recorded a 2013 income tax benefit of $11.4 million or an effective tax rate of (23.6%). The effective rate differs 
from the federal statutory rate of 35% primarily due to the benefit of earnings in foreign jurisdictions which are subject to lower 
tax rates, federal tax credits, state income tax benefits, and a benefit from the domestic production activities deduction. 

Our future effective income tax rate depends on various factors, such as changes in tax laws, regulations, accounting 
principles, or interpretations thereof, and the geographic composition of our pre-tax income. We carefully monitor these factors 
and adjust our effective income tax rate accordingly.

Discontinued Operations

In June 2015, the Company completed its six-month long process of seeking strategic alternatives for its inverter business 
and no satisfactory offers were received for all or a part of the inverter business. On June 29, 2015, we announced our decision 
to wind down our solar inverter business to focus solely on our Precision Power business.  The result of this assessment was the 
recording of various asset impairments including Goodwill and Intangibles, as disclosed in previous filings, which are reflected 
in  the  "Loss  from  discontinued  operations,  net  of  income  taxes"  in  our  Consolidated  Statements  of  Operations,  as  we  have 
discontinued our inverter engineering, sales, and production as of December 31, 2015. See Note 3. Discontinued Operations in 
ITEM 8 "Financial Statements and Supplementary Data."  This constituted a strategic shift as inverter engineering, manufacturing 
and sales constituted a separate reporting segment for the Company.

The significant items included in Loss from discontinued operations, net of income taxes:

Sales
Cost of sales
Total operating expenses (including restructuring)
Operating loss from discontinued operations
Other expense
Loss from discontinued operations before income taxes
Provision for income taxes
Loss from discontinued operations, net of income taxes

Non-GAAP Results

Year Ended December 31,

2015

2014

2013

$

$

$

95,856
139,045
232,262
(275,451)
(55)
(275,506)
(33,538)
(241,968) $

$

215,763
209,795
51,637
(45,669)
(658)
(46,327)
(23,814)
(22,513) $

247,623
183,080
97,767
(33,224)
(814)
(34,038)
(6,414)
(27,624)

To evaluate business performance against business objectives and for planning purposes, management uses non-GAAP 
results. We believe these measures will enhance investors’ ability to review our business from the same perspective as management 
and facilitate comparisons of this period’s results with prior periods.  These non-GAAP measures are not in accordance with U.S. 
GAAP and may differ from non-GAAP methods of accounting and reporting used by other companies. The presentation of this 
additional information should not be considered a substitute for results prepared in accordance with U.S. GAAP.

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The  non-GAAP  results  presented  below  exclude  the  impact  of  restructuring  charges,  stock-based  compensation, 

amortization of intangible assets, acquisition-related costs, and nonrecurring executive severance (in thousands):

Reconciliation of Non-GAAP measure - operating expenses and
operating income, excluding certain items

Years Ended December 31,
2014

2013

2015

Gross Profit from continuing operations, as reported

$

216,870

$

188,060

$

Operating expenses from continuing operations, as reported

110,214

101,969

Adjustments:

Restructuring charges

Acquisition-related costs

Stock-based compensation

Amortization of intangible assets

Nonrecurring executive severance

Non-GAAP operating expenses from continuing operations

Non-GAAP operating income from continuing operations

Income from continuing operations, net of income taxes, as
reported
Adjustments, net of tax

$

$

Restructuring charges
Acquisition-related costs
Stock-based compensation
Amortization of intangible assets
Nonrecurring executive severance

(198)
—
(2,810)
(4,368)
—

102,838

(1,507)
(730)
(3,712)
(4,998)
(867)
90,155

114,032

$

97,905

$

145,593

97,746

(4,179)
—
(9,849)
(850)
—

82,868

62,725

83,482

$

69,495

$

59,710

157
—
2,225
3,459
—

1,218
590
2,999
4,039
701

3,379
—
7,963
687
—

Non-GAAP income from continuing operations, net of income
taxes

$

89,323

$

79,042

$

71,739

This table discusses Non-GAAP results from continuing operations only.  See Note 3. Discontinued Operations in ITEM 8 
"Financial Statements and Supplementary Data" for more information on discontinued operations.

Impact of Inflation

In recent years, inflation has not had a significant impact on our operations. However, we continuously monitor operating 
price increases, particularly in connection with the supply of component parts used in our manufacturing process. To the extent 
permitted by competition, we pass increased costs on to our customers by increasing sales prices over time. Sales price increases, 
however, were not significant in any of the years presented herein.

Liquidity and Capital Resources

LIQUIDITY

We believe that adequate liquidity and cash generation is important to the execution of our strategic initiatives. Our 
ability to fund our operations, acquisitions, capital expenditures, and product development efforts may depend on our ability to 
generate cash from operating activities which is subject to future operating performance, as well as general economic, financial, 
competitive, legislative, regulatory, and other conditions, some of which may be beyond our control. Our primary sources of 
liquidity are our available cash, investments, cash generated from current operations and availability under our credit facilities 
noted below.

At December 31, 2015, we had $170.4 million in cash, cash equivalents, and marketable securities. We believe that 
adequate liquidity and cash generation will be important to the execution of our strategic initiatives. We believe that our current 
cash levels and our cash flows from future operations will be adequate to meet anticipated working capital needs, anticipated 
levels of capital expenditures, and contractual obligations for the next twelve months.

At  December 31,  2015,  we  had  $116.3  million  of  cash,  cash  equivalents,  and  marketable  securities  held  by  foreign 
subsidiaries. Except as required under U.S. tax laws, we do not provide for U.S. taxes on the undistributed earnings of our foreign 
subsidiaries since we intend to invest such undistributed earnings indefinitely outside of the U.S. If our intent changes or if these 

33

 
 
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funds are needed for our U.S. operations, we would be required to accrue U.S. taxes on some or all of these undistributed earnings 
and our effective tax rate would be adversely affected. 

On October 12, 2012, we entered into an agreement with Wells Fargo Bank, National Association which provides for a 
secured revolving credit facility ("Credit Facility") of up to $50.0 million.  As of December 31, 2015, we had $9.9 million of 
availability on our Wells Fargo Credit Facility. Borrowings under the Credit Facility are subject to a borrowing base based upon 
our accounts receivable and inventory and are available for various corporate purposes. The reduction in receivables from our 
inverter business lowered our availability. The Credit Facility provides us further flexibility for execution of our strategic plans 
including acquisitions.  Refusol initially had two outstanding notes with various banks that provided up to 12.0 million Euros of 
borrowing, which we assumed in the acquisition. During the year ended December 31, 2014 the last of the revolving lines was 
repaid and canceled. As of December 31, 2014, there was no outstanding balance on these notes. For more information on these 
Credit Facilities, see Note 22. Credit Facilities in ITEM 8 "Financial Statements and Supplementary Data." 

In May 2014, our Board of Directors authorized a program to repurchase up to $25.0 million of our stock over a twelve-
month period. Under this program, during the twelve months ended December 31, 2015, we repurchased and retired 1.4 million 
shares of our common stock for a total of $25.0 million. We completed the share repurchase program in the second quarter of 
2014. All shares repurchased were executed in the open market and no shares were repurchased from related parties. Repurchased 
shares were retired and assumed the status of authorized and unissued shares.

In September 2015, our Board of Directors authorized a program to repurchase up to $150.0 million of our stock over a 
thirty-month period. Under this program, on November 6, 2015, we entered into an accelerated stock repurchase arrangement with 
Morgan Stanley & Co. LLC (the “Counterparty”) pursuant to a Fixed Dollar Accelerated Share Repurchase Transaction (the “ASR 
Agreement”) to purchase $50.0 million of shares of our common stock. On November 9, 2015, we advanced  $50.0 million to the 
Counterparty. This transaction used $39.6 million and we received 1.4 million shares of our common stock based on then-current 
market prices of the $50.0 million advanced, representing 79% of the estimated shares to be repurchased under the ASR Agreement. 
The initial payment was recorded as a reduction to Stockholders' equity in our Consolidated Balance Sheets as of December 31, 
2015. The total number of shares repurchased under the ASR Agreement is based on the average of the daily volume-weighted 
average prices of the common stock during the term of the Agreement, less a discount. At settlement, if the Counterparty pays 
less than the original amount advanced, they will be required to reimburse us. If the Counterparty pays more than the original 
advance, we will chose to reimburse the Counterparty with either cash or additional shares. Final settlement of the ASR Agreement 
is expected to occur in the second quarter of 2016.

CASH FLOWS

A  summary  of  our  cash  provided  by  and  used  in  operating,  investing,  and  financing  activities  is  as  follows  (in  thousands):

Net cash provided by operating activities
Net cash used in investing activities
Net cash provided by (used in) financing activities
Effect of currency translation on cash
Increase (decrease) in cash and cash equivalents

Cash and cash equivalents, beginning of the period

Cash and cash equivalents, end of the period

2015 CASH FLOWS COMPARED TO 2014 

Net cash provided by operating activities

Years Ended December 31,
2013
2014
2015

$ 104,808
(13,265)
(45,641)
(1,467)
44,435

125,285

$ 75,586
(54,996)
(32,480)
(950)
(12,840)
138,125

$ 35,316
(70,926)
26,313
858
(8,439)
146,564

$ 169,720

$ 125,285

$ 138,125

Net cash provided by operating activities for the twelve months ended December 31, 2015 was $104.8 million, compared 
to $75.6 million for the same period ended December 31, 2014.  The increase of $29.2 million in net cash flows from operating 
activities is primarily due to the increase in income from continuing operations, net of income taxes, and decreases in accounts 
receivable. The overall increase in sales discussed above resulted in higher collections throughout the year.

Net cash used in investing activities

Net cash used in investing activities for the twelve months ended December 31, 2015 was $13.3 million, a decrease 
of $41.7 million from the prior year. We used significantly more cash in 2014 for the purchases of PCM, HiTek, and UltraVolt, 
which was only slightly offset by our increase in investments in marketable securities in 2015.

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Capital expenditures in 2015 were slightly higher than 2014 and are expected to remain at current levels.  We expect 

to fund future capital expenditures with cash generated from operations.

Net cash provided by (used in) financing activities

Net cash used in financing activities in the twelve months ended December 31, 2015 was $45.6 million, a $13.2 million 
increase from the $32.5 million used in the same period of 2014. This was primarily due to $50.0 million stock buyback program 
in 2015. The exercise of stock options provided $4.5 million of cash in 2015 as compared to $15.8 million in 2014.  Furthermore, 
the paydown of the Commerzbank and Bayern notes utilized $16.3 million in cash in 2014, which is reflected in the Net cash used 
in financing activities from discontinued operations line on our Consolidated Statements of Cash Flows. 

2014 CASH FLOWS COMPARED TO 2013 

Net cash provided by operating activities

Net cash provided by operating activities for the twelve months ended December 31, 2014 was $75.6 million, compared 
to $35.3 million for the same period ended December 31, 2013. The increase of $40.3 million in net cash flows from operating 
activities was primarily due to the increase in net income, and decreases in accounts receivable and inventory. The overall increase 
in sales discussed above resulted in higher collections throughout the year 

Net cash flows used in investing activities

Net cash used in investing activities for the twelve months ended December 31, 2014 was $55.0 million, a decrease of 
$15.9 million from the prior year. The decrease is the result of the lower cash used for the acquisitions of PCM, HiTek, and Ultravolt 
compared to the acquisition of Refusol in 2013.  Capital expenditures in 2014 were consistent with 2013. 

Net cash flows provided by (used in) financing activities

Net cash used in financing activities in the twelve months ended December 31, 2014 was $32.5 million, a $58.8 million 
change from the cash provided by financing activities of $26.3 million in the same period of 2013. This was primarily due to the 
settlement of performance stock units in cash of $11.2 million in the first quarter of 2014, coupled with the completion of the $25.0 
million stock buyback program. Additionally, the exercise of stock options provided $15.8 million of cash in 2014 as compared 
to $26.3 million in 2013. Furthermore, the paydown of the Commerzbank and Bayern notes utilized $16.3 million in cash in 2014.

Effect of currency translation on cash

The effect of foreign currency translations on cash changed $0.5 million to a $1.5 million negative impact for the year 
ended December 31, 2015 compared to a $1.0 million negative impact for the year ended December 31, 2014. The net effect of 
foreign currency translations on cash changed $1.8 million to a $1.0 million negative impact for the year ended December 31, 
2014 compared to a $0.9 million positive impact for the year ended December 31, 2013. 

The functional currencies of our worldwide operations primarily include U.S. dollar ("USD"), Japanese Yen ("JPY"), 
Chinese Yuan Renminbi ("CNY"), New Taiwan Dollar ("TWD"), South Korean Won ("KRW"), British Pound ("GBP"), Swiss 
Franc ("CHF"), Canadian Dollar ("CAD") , Euro ("EUR"), and Indian Rupee ("INR"). Our purchasing and sales activities are 
primarily denominated in USD, JPY, CNY, and EUR. The change in these key currency rates during the twelve months ended 
December 31, 2015, 2014, and 2013 are as follows:

From

To

Twelve Months Ended December 31,
2014

2013

2015

CNY

EUR

JPY

KRW

TWD

GBP
CAD

CHF

INR

USD

USD

USD

USD

USD

USD
USD

USD

USD

(2.4)%

(12.0)%

(12.1)%

(3.9)%

(5.3)%

(5.9)%

(8.6)%

(10.2)%

(2.1)%

2.9 %

4.2 %

(17.6)%

0.7 %

(3.0)%

1.9 %

(6.6)%

2.5 %

(11.3)%

(4.4)%

(10.3)%

(0.4)%

(6.6)%

(3.8)%

(5.5)%

(16.1)%

(0.9)%

(4.61)%

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Off Balance Sheet Arrangements

We have no off-balance sheet arrangements or variable interest entities. 

Contractual Obligations

The following table sets forth our future payments due under contractual obligations as of December 31, 2015 (in 

thousands):

Operating lease obligations
Purchase obligations
Pension Funding Commitment
Total

Total

Less than
1 year

20,923
44,176
8,622
73,721

$

$

5,898
44,176
958
51,032

$

$

1 -3 years
5,746
$
—
2,874
8,620

$

4-5 years
4,732
$
—
1,916
6,648

$

$

$

More
than 5
years

4,547
—
2,874
7,421

As of December 31, 2015, we have recorded liabilities of $10.4 million related to uncertain tax positions including 
accrued interest and penalties.  Because of the uncertainty of the amounts to be ultimately paid, as well as the timing of such 
payments, these liabilities are not reflected in the contractual obligations table. Purchase obligations include firm commitments 
and agreements with various suppliers to ensure the availability of components. For more information see Note 18. Commitments 
and Contingencies in ITEM 8 "Financial Statements and Supplementary Data."

Recent Accounting Pronouncements

From time to time, the Financial Accounting Standards Board (“FASB”) or other standards setting bodies issue new 
accounting  pronouncements.  Updates  to  the  FASB Accounting  Standards  Codification  (“ASC”)  are  communicated  through 
issuance of an Accounting Standards Update (“ASU”). Unless otherwise discussed, we believe that the impact of recently issued 
guidance, whether adopted or to be adopted in the future, is not expected to have a material impact on our Consolidated Financial 
Statements upon adoption.

To understand the impact of recently issued guidance, whether adopted or to be adopted, please review the information 
provided in Note 1. Operations and Summary of Significant Accounting Policies and Estimates in ITEM 8 "Financial Statements 
and Supplementary Data."

ITEM 7A. 

QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market Risk and Risk Management

In the normal course of business, we have exposures to interest rate risk from our investments, credit facility, and foreign 

exchange rate risk related to our foreign operations and foreign currency transactions.

Interest Rate Risk

Our market risk exposure relates to changes in interest rates in our investment portfolio and credit facility. We generally 
place our investments with high-credit quality issuers and by policy are averse to principal loss and seek to protect and preserve 
our invested funds by limiting default risk, market risk, and reinvestment risk. 

As of December 31, 2015, our investments consisted primarily of certificates of deposit with maturity of less than 
1 years. As a measurement of the sensitivity of our portfolio and assuming that our investment portfolio balances remain constant, 
a hypothetical decrease of 100 basis points (1%) in interest rates would decrease annual pre-tax earnings by a nominal amount. 

We had no debt outstanding as of December 31, 2015. Assuming a full drawdown on all outstanding loan agreements 
subject to variable interest rates, and holding other variables constant, a hypothetical immediate one percentage point change in 
interest rates would be expected to have an impact on pre-tax earnings and cash flows of approximately $0.5 million over the 
course of 12 months.

Foreign Currency Exchange Rate Risk

We are impacted by changes in foreign currency exchange rates through sales and purchasing transactions when we 
sell products and purchase materials in currencies different from the currency in which product and manufacturing costs were 
incurred. The functional currencies of our worldwide facilities primarily include the USD, EUR, KRW, TWD, GBP, and CNY. 
Our purchasing and sales activities are primarily denominated in the USD, JPY, EUR and CNY. We may be impacted by changes 
in the relative buying power of our customers, which may impact sales volumes either positively or negatively. As these currencies 
36

 
Table of Contents

fluctuate against each other, and other currencies, we are exposed to foreign currency exchange rate risk on sales, purchasing 
transactions and labor.

From time to time, we enter into foreign currency exchange rate contracts to hedge against changes in foreign currency 
exchange rates on assets and liabilities expected to be settled at a future date. Market risk arises from the potential adverse effects 
on the value of derivative instruments that result from a change in foreign currency exchange rates. In 2011 we entered into foreign 
currency forward contracts to manage the exchange rate risk associated with intercompany debt denominated in nonfunctional 
currencies. We minimize our market risk applicable to foreign currency exchange rate contracts by establishing and monitoring 
parameters that limit the types and degree of our derivative contract instruments. We enter into derivative contract instruments for 
risk management purposes only. We do not enter into or issue derivatives for trading or speculative purposes.

Our reported financial results of operations, including the reported value of our assets and liabilities, are also impacted 
by changes in foreign currency exchange rates. Assets and liabilities of substantially all of our subsidiaries outside the U.S. are 
translated at period end rates of exchange for each reporting period. Operating results and cash flow statements are translated at 
weighted-average rates of exchange during each reporting period. Although these translation changes have no immediate cash 
impact, the translation changes may impact future borrowing capacity, and overall value of our net assets.

Currency exchange rates vary daily and often one currency strengthens against the USD while another currency weakens. 
Because of the complex interrelationship of the worldwide supply chains and distribution channels, it is difficult to quantify the 
impact of a change in one or more particular exchange rates.

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Table of Contents

ITEM 8. 

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Reports of Grant Thornton LLP, Independent Registered Public Accounting Firm

Consolidated Balance Sheets 

Consolidated Statements of Operations 

Consolidated Statements of Comprehensive Income

Consolidated Statements of Stockholders’ Equity 

Consolidated Statements of Cash Flows 

Notes to Consolidated Financial Statements

39

41

42

43

44

45

46

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Board of Directors and Shareholders

Advanced Energy Industries, Inc.

We have audited the accompanying consolidated balance sheets of Advanced Energy Industries, Inc. (a Delaware corporation) 
and subsidiaries (the “Company”) as of December 31, 2015 and 2014, and the related consolidated statements of operations, 
comprehensive income, stockholders’ equity, and cash flows for each of the three years in the period ended December 31, 2015. 
These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on 
these financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). 
Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements 
are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures 
in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by 
management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable 
basis for our opinion.

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position 
of Advanced Energy Industries, Inc. and subsidiaries as of December 31, 2015 and 2014, and the results of their operations and 
their cash flows for each of the three years in the period ended December 31, 2015 in conformity with accounting principles 
generally accepted in the United States of America.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the 
Company’s internal control over financial reporting as of December 31, 2015, based on criteria established in the 2013 Internal 
Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and 
our report dated February 25, 2016 expressed an unqualified opinion.

/s/ GRANT THORNTON LLP

Denver, Colorado

February 25, 2016 

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Board of Directors and Shareholders

Advanced Energy Industries, Inc.

We have audited the internal control over financial reporting of Advanced Energy Industries, Inc. (a Delaware corporation) and 
subsidiaries (the “Company”) as of December 31, 2015, based on criteria established in the 2013 Internal Control-Integrated 
Framework  issued  by  the  Committee  of  Sponsoring  Organizations  of  the  Treadway  Commission  (COSO).  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 Annual Report on Internal 
Control over Financial Reporting appearing under Item 9A of the Company’s Annual Report on Form 10-K (“Management’s 
Report”). Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). 
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.

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.

In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 
31, 2015, based on criteria established in the 2013 Internal Control-Integrated Framework issued by COSO.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the 
consolidated financial statements of the Company as of and for the year ended December 31, 2015, and our report dated February 
25, 2016 expressed an unqualified opinion on those financial statements.

/s/ GRANT THORNTON LLP

Denver, Colorado

February 25, 2016 

40

Table of Contents

ADVANCED ENERGY INDUSTRIES, INC.
Consolidated Balance Sheets
(In thousands, except per share amounts)

ASSETS
CURRENT ASSETS:

Cash and cash equivalents

Marketable securities

Accounts receivable, net of allowances of $8,739 and $1,052, respectively

Inventories

Deferred income tax assets

Income taxes receivable

Other current assets

Current assets from discontinued operations

Total current assets

Property and equipment, net

Deposits and other

Goodwill

Other intangible assets, net

Deferred income tax assets

Non-current assets from discontinued operations

Total assets

LIABILITIES AND STOCKHOLDERS’ EQUITY
CURRENT LIABILITIES:

Accounts payable

Income taxes payable

Accrued payroll and employee benefits

Accrued warranty expense

Other accrued expenses

Customer deposits and other

Current liabilities from discontinued operations

Total current liabilities

Deferred income tax liabilities

Uncertain tax positions

Long term deferred revenue

Other long-term liabilities

Non-current liabilities from discontinued operations

Total liabilities

STOCKHOLDERS’ EQUITY:
Preferred stock, $0.001 par value, 1,000 shares authorized, none issued and outstanding

Common stock, $0.001 par value, 70,000 shares authorized; 39,756 and 40,613

issued and outstanding, respectively

Additional paid-in capital

Retained earnings

Accumulated other comprehensive income

Total stockholders’ equity

Total liabilities and stockholders’ equity

December 31,

2015

2014

$

158,443

$

121,401

11,986

54,959

52,573

6,004

9,040

7,868

41,902

342,775

9,645

1,729

42,729

34,141

30,398

1,271

3,083

79,053

46,092

5,103

14,472

6,146

101,403

376,753

9,759

1,666

43,875

40,311

35,997

176,207

$

462,688

$

684,568

$

27,246

$

13,972

9,175

1,633

12,258

3,319

36,481
104,084

1,181

2,086

45,584

18,871

27,302

24,540

1,495

10,496

1,612

11,790

4,067

58,568
112,568

1,439

6,484

47,246

23,192

18,674

199,108

209,603

—

40

195,096

67,910

534

263,580

—

41

237,752

226,396

10,776

474,965

$

462,688

$

684,568

The accompanying notes are an integral part of these Consolidated Financial Statements.

41

 
 
 
 
 
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
Consolidated Statements of Operations
(In thousands, except per share amounts)

SALES

COST OF SALES

GROSS PROFIT

OPERATING EXPENSES:

Research and development

Selling, general, and administrative

Amortization of intangible assets

Restructuring charges and asset impairment

Total operating expenses

OPERATING INCOME

Interest (expense) income

Other (expense) income, net

Total other (expense) income

Income from continuing operations before income taxes

Provision (benefit) for income taxes

INCOME FROM CONTINUING OPERATIONS, NET OF INCOME TAXES

LOSS FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES
NET (LOSS) INCOME

Basic weighted-average common shares outstanding
Diluted weighted-average common shares outstanding

EARNINGS (LOSS) PER SHARE:

CONTINUING OPERATIONS:

BASIC EARNINGS PER SHARE

DILUTED EARNINGS PER SHARE

DISCONTINUED OPERATIONS

BASIC LOSS PER SHARE

DILUTED LOSS PER SHARE

NET INCOME:

BASIC (LOSS) EARNINGS PER SHARE

DILUTED (LOSS) EARNINGS PER SHARE

Years Ended December 31,

2015

2014

2013

$ 414,811

$

367,333

$ 299,381

197,941

216,870

179,273

188,060

153,788

145,593

39,551

66,097

4,368

198

110,214

106,656

(880)

(334)

(1,214)

105,442

21,960

83,482

36,915

58,549

4,998

1,507

101,969

86,091

(476)

390

(86)

86,005

16,510

69,495

(241,968)
$ (158,486) $

(22,513)
46,982

$

40,746
41,077

40,420
41,034

35,383

57,334

850

4,179

97,746

47,847

398

77

475

48,322

(11,388)

59,710

(27,624)
32,086

39,597
40,667

$

$

$

$

$

$

2.05

2.03

$

$

1.72

1.69

$

$

1.51

1.47

(5.94) $

(5.94) $

(0.56) $

(0.56) $

(0.70)

(0.70)

(3.89) $

(3.89) $

1.16

1.14

$

$

0.81

0.79

The accompanying notes are an integral part of these Consolidated Financial Statements.

42

 
 
 
 
 
 
 
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
Consolidated Statements of Comprehensive (Loss) Income
(In thousands)

Net (loss) income

Other comprehensive income (loss), net of tax:

Foreign currency translation adjustment

Unrealized (losses) gains on marketable securities

Comprehensive (loss) income

Years Ended December 31,

2015
(158,486) $

$

2014

2013

46,982

$

32,086

(10,228)
(14)

(23,214)
533

$

(168,728) $

24,301

$

3,733
(1)
35,818

The accompanying notes are an integral part of these Consolidated Financial Statements.

43

Table of Contents

ADVANCED ENERGY INDUSTRIES, INC.
Consolidated Statements of Stockholders’ Equity
(In thousands, except share amounts)

Common Stock

Shares

Amount

Additional
Paid-in Capital

Retained
Earnings

Accumulated
Other
Comprehensive
Income

Total
Stockholders’
Equity

Balances, January 1, 2013

Stock issued from equity plans

Stock-based compensation

Excess tax benefit from stock-based compensation

Comprehensive income:

Equity adjustment from foreign currency translation

Unrealized holding gains

Net income

Total comprehensive income

Balances, December 31, 2013

Stock issued from equity plans

Stock-based compensation

RSUs settled in cash

Excess tax benefit from stock-based compensation

Stock buyback

Comprehensive income:

Equity adjustment from foreign currency translation

Unrealized holding losses

Net income

Total comprehensive income

Balances, December 31, 2014

Stock issued from equity plans

Stock-based compensation

Excess tax benefit from stock-based compensation

Stock buyback

Comprehensive income:

Equity adjustment from foreign currency translation

Unrealized holding losses

Net loss

Total comprehensive loss

Balances at December 31, 2015

37,991

$

2,513

—

—

—

—

—

—

40,504

$

1,485

—

—

(1,376)

—

—

—

—

40,613

$

525

—

—

38

3

—

—

—

—

—

—

41

1

—

—

(1)

—

—

—

—

41

—

—

—

—

—

—

—

39,756

$

—

—

—

—

40

$

212,520

$

147,328

$

29,725

$

389,611

26,334

13,742

(1,046)

—

—

—

—

—

—

—

—

—

32,086

32,086

—

—

—

3,733

(1)

—

3,732

26,337

13,742

(1,046)

3,733

(1)

32,086

35,818

$

251,550

$

179,414

$

33,457

$

464,462

15,830

4,993

(11,198)

1,576

(24,999)

—

—

—

—

—

—

—

—

—

—

46,982

46,982

—

—

—

—

15,831

4,993

(11,198)

1,576

(25,000)

(23,214)

(23,214)

533

—

(22,681)

533

46,982

24,301

$

237,752

$

226,396

$

10,776

$

474,965

4,121

3,321

(99)

—

—

—

—

—

—

—

—

—

—

(158,486)

(158,486)

—

—

—

—

(10,228)

(14)

—

(10,242)

4,121

3,321

(99)

(50,000)

(10,228)

(14)

(158,486)

(168,728)

$

195,096

$

67,910

$

534

$

263,580

(1,382)

(1)

(49,999)

The accompanying notes are an integral part of these Consolidated Financial Statements.

44

 
 
 
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
Consolidated Statements of Cash Flows
(In thousands)

CASH FLOWS FROM OPERATING ACTIVITIES:

Net (loss) income
Loss from discontinued operations, net of income taxes
Income from continuing operations, net of income taxes

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

Depreciation and amortization
Stock-based compensation expense
Provision for deferred income taxes
Non-cash restructuring charges
Non-cash reserve for potential bad debts
Net (gain) loss on disposal of assets
Changes in operating assets and liabilities, net of assets acquired:

Accounts receivable
Inventories
Other current assets
Accounts payable
Other current liabilities and accrued expenses
Income taxes

Net cash provided by operating activities from continuing operations
Net cash provided by (used in) operating activities from discontinued operations

Net cash provided by operating activities
CASH FLOWS FROM INVESTING ACTIVITIES:

Purchases of marketable securities
Proceeds from sale of marketable securities
Proceeds from the sale of assets
Acquisitions, net of cash acquired
Purchases of property and equipment

Net cash provided by (used in) investing activities from continuing operations
Net cash used in investing activities from discontinued operations

Net cash used in investing activities

CASH FLOWS FROM FINANCING ACTIVITIES:

Settlement of performance stock units
Purchase and retirement of common stock
Proceeds from exercise of stock options
Excess tax from stock-based compensation deduction
Other financing activities

Net cash provided by (used in) financing activities from continuing operations
Net cash provided by (used in) financing activities from discontinued operations

Net cash provided by (used in) financing activities

EFFECT OF CURRENCY TRANSLATION ON CASH
INCREASE (DECREASE ) IN CASH AND CASH EQUIVALENTS
CASH AND CASH EQUIVALENTS, beginning of period
CASH AND CASH EQUIVALENTS, end of period
Less cash and cash equivalents from discontinued operations
CASH AND CASH EQUIVALENTS FROM CONTINUING OPERATIONS, end of period
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest
Cash paid for income taxes
Cash received for refunds of income taxes
Cash held in banks outside the United States

Years Ended December 31,
2014

2013

2015

$ (158,486) $
(241,968)
83,482

46,982
(22,513)
69,495

$ 32,086
(27,624)
59,710

8,832
2,810
3,498
—
5,967
(1,019)

17,919
(6,715)
(2,267)
3,220
(9,500)
17,994
124,221
(19,413)
104,808

(30,172)
21,095
—
(128)
(4,014)
(13,219)
(46)
(13,265)

10,461
3,712
(21,561)
—
—
502

(3,835)
(7,416)
3,029
1,866
(5,135)
11,085
62,203
13,383
75,586

(6,432)
14,835
(156)
(57,138)
(3,449)
(52,340)
(2,656)
(54,996)

6,988
9,849
4,829
2,968
—
680

(18,084)
(2,086)
5,249
12,694
17,223
(26,548)
73,472
(38,156)
35,316

(19,034)
33,093
—
—
(2,588)
11,471
(82,397)
(70,926)

—
(50,000)
4,476
(99)
(4)
(45,627)
(14)
(45,641)
(1,467)
44,435
125,285
169,720
11,277
$ 158,443

(11,198)
(25,000)
15,830
1,576
(2)
(18,794)
(13,686)
(32,480)
(950)
(12,840)
138,125
125,285
3,884
$ 121,401

—
—
26,337
(1,046)
(1)
25,290
1,023
26,313
858
(8,439)
146,564
138,125
10,657
$ 127,468

$

361
7,161
5,377
116,259

$

234
5,241
7,261
44,573

$

63
13,396
1,569
27,064

The accompanying notes are an integral part of these Consolidated Financial Statements.

45

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

In this Annual Report on Form 10-K, we use the terms “Advanced Energy”, “the Company”, “we”, “us” or “our” to refer 

to Advanced Energy Industries, Inc. and its subsidiaries.

NOTE 1. 

OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND ESTIMATES

We design, manufacture, sell and support power conversion and control products that transform power into various usable 
forms. Our products enable manufacturing processes that use thin film and plasma enhanced chemical and physical processing 
for various products, industrial electro-thermal applications for material and chemical processes, precision power for analytical 
instrumentation, as well as grid-tied power conversion. We also supply thermal instrumentation products for advanced temperature 
control in these markets. Our network of global service support centers provides local repair and field service capability in key 
regions. As of December 31, 2015, we have discontinued our Inverter production, engineering, and sales product line. As such, 
all Inverter revenues, costs, assets and liabilities are reported in Discontinued Operations for all periods presented herein and we 
currently report as a single unit. See Note 3. Discontinued Operations for more information.

Principles of Consolidation — Our Consolidated Financial Statements include our accounts and the accounts of our 
wholly-owned  subsidiaries. All  intercompany  accounts  and  transactions  have  been  eliminated.  Our  Consolidated  Financial 
Statements are stated in United States dollars and have been prepared in accordance with accounting principles generally accepted 
in the United States (“U.S. GAAP”).

Use of Estimates in the Preparation of the Consolidated Financial Statements — The preparation of our Consolidated 
Financial Statements in conformity with U.S. GAAP requires us to make estimates, assumptions and judgments that affect the 
reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements 
and the reported amounts of revenue and expenses during the reporting period. We believe that the significant estimates, assumptions, 
and judgments when accounting for items and matters such as allowances for doubtful accounts, excess and obsolete inventory, 
warranty  reserves,  acquisitions,  asset  valuations,  asset  life,  depreciation,  amortization,  recoverability  of  assets,  impairments, 
deferred revenue, stock option and restricted stock grants, taxes, and other provisions are reasonable, based upon information 
available at the time they are made. Actual results may differ from these estimates, making it possible that a change in these 
estimates could occur in the near term.

Foreign Currency Translation — The functional currency of our foreign subsidiaries is their local currency, with the 
exception of our manufacturing facility in Shenzhen, The People's Republic of China (“PRC”) where the United States dollar is 
the functional currency. Assets and liabilities of foreign subsidiaries are translated to United States dollars at period-end exchange 
rates, and our Consolidated Statements of Operations and Cash Flows are translated at average exchange rates during the period. 
Resulting translation adjustments are recorded as a component of accumulated other comprehensive income.

Transactions denominated in currencies other than the local currency are recorded based on exchange rates at the time 
such transactions arise. Subsequent changes in exchange rates result in foreign currency transaction gains and losses which are 
reflected as unrealized (based on period end translation) or realized (upon settlement of the transactions) in other income, net in 
our Consolidated Statements of Operations.

Fair Value of Financial Instruments — We value our financial assets and liabilities using fair value measurements. 
Fair value is based on the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between 
market participants at the measurement date. The carrying amount of cash and cash equivalents, marketable securities, accounts 
receivable, other current assets, accounts payable, accrued liabilities, and other current liabilities in our Consolidated Financial 
Statements approximates fair value because of the short-term nature of the instruments.

Cash  and  Cash  Equivalents  — We  consider  all  amounts  on  deposit  with  financial  institutions  and  highly  liquid 
investments with an original maturity of three months or less to be cash equivalents. Cash and cash equivalents are highly liquid 
investments that consist primarily of short-term money market instruments and demand deposits with insignificant interest rate 
risk and original maturities of three months or less at the time of purchase.

Sometimes we invest excess cash in money market funds not insured by the Federal Deposit Insurance Corporation. 
We believe that the investments in money market funds are on deposit with credit-worthy financial institutions and that the funds 
are highly liquid. The investments in money market funds are reported at fair value, with interest income recorded in earnings and 
are included in “Cash and cash equivalents.” The fair values of our investments in money market funds are based on the quoted 
market prices.

As of December 31, 2015 we have $1.3 million of cash included in cash and cash equivalents that is restricted from 
immediate withdrawal.  Of this amount, $0.7 million is a refund from a European tax authority, restricted until the tax authority 

46

 
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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

completes its audit procedures, $0.1 million is restricted for Taiwan Customs Clearance transactions as a guarantee of Customs 
Duty, adjusted annually based on projected customs clearance transactions, and $0.5 million is collateral for the US purchasing 
card program, restricted for the duration of the card program.

Marketable  Securities  — All  of  our  investments  in  marketable  securities  are  classified  as  available-for-sale  at  the 
respective balance sheet dates. Marketable securities classified as available-for-sale are recorded at fair value based upon quoted 
market prices, and any temporary difference between the cost and fair value of the investment is presented as a separate component 
of accumulated other comprehensive income (loss). We recognize gains and losses on the date our investments mature or are sold 
and record these gains and losses in other income, net. The specific identification method is used to determine the gains and losses 
on investments in marketable securities.

Concentrations of Credit Risk — Financial instruments, which potentially subject us to credit risk, include cash and 
cash equivalents, marketable securities, and trade accounts receivable. To preserve capital and maintain liquidity, we invest with 
financial institutions we deem to be of high quality and sound financial condition. Our investments are in low-risk instruments 
and  we  limit  our  credit  exposure  in  any  one  institution  or  type  of  investment  instrument  based  upon  criteria  including 
creditworthiness.

At December 31, 2015, our accounts receivable from Applied Materials and Lam Research were $17.1 million, or  31.2% 
of our total accounts receivable, and $7.3 million, or 13.3% of our total accounts receivable, respectively. At December 31, 2014, 
our accounts receivable from Applied Materials and Lam Research were $20.0 million, or 25.3% of our total accounts receivable, 
and $10.6 million, or 13.4% of our total accounts receivable, respectively. No other customer balance exceeded 10% of our total 
accounts receivable balance at December 31, 2015 or December 31, 2014. We have established an allowance for doubtful accounts 
based upon factors surrounding the credit risk of specific customers, historical trends, and other information.

Accounts Receivable and Allowance for Doubtful Accounts — Accounts receivable are recorded at net realizable 
value. We have not historically charged interest on overdue balances, although we do notify our customers that we reserve the 
right to do so. We maintain a credit approval process and we make significant judgments in connection with assessing our customers’ 
ability to pay at the time of shipment. Despite this assessment, from time to time, our customers are unable to meet their payment 
obligations. We  continuously  monitor  our  customers’  credit  worthiness  and  use  our  judgment  in  establishing  a  provision  for 
estimated credit losses based upon our historical experience and any specific customer collection issues that we have identified. 
While such credit losses have historically been within our expectations and the provisions established, there is no assurance that 
we will continue to experience the same credit loss rates that we have in the past. A significant change in the liquidity or financial 
position of our customers could have a material adverse impact on the collectability of accounts receivable and our future operating 
results. 

Changes in allowance for doubtful accounts are summarized as follows (in thousands):

Balances at beginning of period
Additions - charged to expense
Deductions - write-offs, net of recoveries

Balances at end of period

Years Ended December 31,
2013
2014
2015

$ 1,052
7,837
(150)
$ 8,739

$

$

1,390
332
(670)
1,052

$

$

4,100
—
(2,710)
1,390

During 2015, we recorded an allowance for doubtful accounts related to our inverter business of $16.3 million. Of this 
amount, $6.0 million is related to our inverter service business and is recorded in Selling, general and administrative expense and 
the remainder is recorded in Income from discontinued operations in our Consolidated Financial Statements. For more information 
on our discontinued operations, please see Note 3. Discontinued Operations. 

Inventories — Inventories include costs of materials, direct labor, manufacturing overhead, in-bound freight, and duty. 
Inventories are valued at the lower of cost (first-in, first-out method) or market and are presented net of reserves for excess and 
obsolete inventory.

Reserves are provided for excess and obsolete inventory. We regularly review inventory quantities on hand and record 
a provision to write-down excess and obsolete inventory to its estimated net realizable value, if less than cost, based primarily on 
our estimated forecast of product demand. Demand for our products can fluctuate significantly. A significant decrease in demand 
could result in an increase in the charges for excess inventory quantities on hand.

In  addition,  our  industry  is  subject  to  technological  change,  new  product  development,  and  product  technological 
obsolescence that could result in an increase in the amount of obsolete inventory quantities on hand. Therefore, any significant 

47

  
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

unanticipated changes in demand or technological developments could have a significant impact on the value of our inventory and 
our reported operating results.

During 2015, we recorded an impairment related to our legacy inverter inventory of $25.1 million, which is recorded 
in  Income  from  discontinued  operations  in  our  Consolidated  Financial  Statements.  For  more  information  on  discontinued 
operations, please see Note 3. Discontinued Operations.

Property and Equipment — Property and equipment is stated at cost or estimated fair value if acquired in a business 
combination. Depreciation is computed over the estimated useful lives using the straight-line method. Estimated useful lives for 
financial reporting purposes are as follows: buildings, 20 to 40 years; machinery, equipment, furniture and fixtures and vehicles, 
three to 10 years; and computer and communication equipment, three years. 

Amortization of leasehold improvements and leased equipment is calculated using the straight-line method over the lease 
term or the estimated useful life of the assets, whichever period is shorter. Additions, improvements, and major renewals are 
capitalized, while maintenance, repairs, and minor renewals are expensed as incurred. When depreciable assets are retired, or 
otherwise disposed of, the cost and related accumulated depreciation are removed from the accounts and any related gains or losses 
are included in other income, net, in our Consolidated Statements of Operations.

Intangible Assets, Goodwill and Other Long-Lived Assets — As a result of our acquisitions, we identified and recorded 
intangible assets and goodwill. Intangible assets are valued based on estimates of future cash flows and amortized over their 
estimated useful lives. Goodwill is subject to annual impairment testing, as well as testing upon the occurrence of any event that 
indicates a potential impairment. Intangible assets and other long-lived assets are subject to an impairment test if there is an indicator 
of impairment. The carrying value and ultimate realization of these assets is dependent upon our estimates of future earnings and 
benefits that we expect to generate from their use. If our expectations of future results and cash flows are significantly diminished, 
intangible assets and goodwill may be impaired and the resulting charge to operations may be material. When we determine that 
the  carrying  value  of  intangibles  or  other  long-lived  assets  may  not  be  recoverable  based  upon  the  existence  of  one  or  more 
indicators of impairment, we use the projected undiscounted cash flow method to determine whether an impairment exists, and 
then measure the impairment using discounted cash flows.

The estimation of useful lives and expected cash flows requires us to make significant judgments regarding future 
periods that are subject to some factors outside of our control. Changes in these estimates can result in significant revisions to our 
carrying value of these assets and may result in material charges to our results of operations.

The annual impairment test for goodwill can be performed using an assessment of qualitative factors in determining if 
it is more likely than not that goodwill is impaired. If this assessment indicates that it is more likely than not that goodwill is 
impaired, the next step of impairment testing compares the fair value of a reporting unit to its carrying value. Goodwill would be 
impaired if the resulting implied fair value of goodwill was less than the recorded carrying value of the goodwill. 

In June 2015, the Company completed its six-month long process of seeking strategic alternatives for its inverter business 
and no satisfactory offers were received for all or a part of the inverter business. On June 29, 2015, we announced our decision to 
wind down our solar inverter business to focus solely on our Precision Power business. The result of this assessment was the 
recording of various asset impairments including Goodwill and Intangibles which is reflected in the "Loss from discontinued 
operations, net of income taxes" in our Consolidated Statements of Operations, as we have discontinued our inverter product line 
as of December 31, 2015. See Note 3. Discontinued Operations.

Revenue Recognition — We recognize revenue from product sales upon transfer of title and risk of loss to our customers 
provided that there is evidence of an arrangement, the sales price is fixed or determinable, and the collection of the related receivable 
is reasonably assured. In most transactions, we have no obligations to our customers after the date products are shipped, other than 
pursuant to warranty obligations. Shipping and handling fees billed to customers, if any, are recognized as revenue. The related 
shipping and handling costs are recognized in cost of sales.

We maintain a worldwide support organization in eight countries, including the United States, the PRC, Japan, Korea, 
Taiwan, Canada, Germany, and Great Britain. Support services include warranty and non-warranty repair services, upgrades, and 
refurbishments on the products we sell. Revenue from repairs and replacements, that are non-warranty in nature, are recognized 
as the work is performed on a time and materials basis. Repairs that are covered under our standard warranty do not generate 
revenue.

As  part  of  our  ongoing  service  business,  we  also  provide  our  customers  with  extended  warranty  and  preventive 
maintenance service contract options on the products we sell. Any up-front fees received for extended warranties or maintenance 
plans are deferred and recognized ratably over the service periods, as defined in the agreements. We deferred revenue related to 
extended warranties totaling $45.6 million as of December 31, 2015 and $47.2 million as of December 31, 2014, including the 
current portion. 

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Based on the credit worthiness of certain customers, we may require payment prior to the manufacture or shipment of 
products purchased by these customers. Cash payments received prior to shipment are recorded as customer deposits, a current 
liability, and then recognized as revenue when appropriate based upon the revenue recognition criteria discussed earlier in this 
section. As of December 31, 2015 and December 31, 2014 the total amount of customer deposits was $3.3 million and $4.1 million, 
respectively. We do not offer price protection to customers, or allow returns, unless covered by our normal policy for repair of 
defective products.

We occasionally agree to make payments to certain customers in order to participate in anticipated sales activity. Payments 
made to customers are accounted for as a reduction of revenue unless they are made in exchange for identifiable goods or services 
with fair values that can be reasonably estimated. These reductions in revenues are recognized immediately to the extent that the 
payments cannot be attributed to anticipated future sales, and are recognized in future periods to the extent that the payments relate 
to future sales, based on the specific facts and circumstances underlying each payment.

Taxes Collected from Customers — In the course of doing business we collect various taxes from customers including, 
but not limited to, sales taxes and value added taxes. It is our policy to record revenue net of taxes collected from customers in 
our Consolidated Statements of Operations.

Shipping and Handling Costs — Amounts billed to customers for shipping and handling are recorded in sales. Shipping 

and handling costs incurred by us for the delivery of products to customers are included in cost of sales.

Advertising  Costs  — Advertising  costs  are  expensed  when  incurred  and  are  included  in  selling,  general,  and 

administrative expenses.

Research and Development Expenses — Costs incurred to advance, test or otherwise modify our proprietary technology 
or develop new technologies are considered research and development costs and are expensed when incurred. These costs are 
primarily comprised of costs associated with the operation of our laboratories and research facilities, including internal labor, 
materials, and overhead.

Warranty Costs — We provide for the estimated costs to fulfill customer warranty obligations upon the recognition of 
the related revenue. We offer warranty coverage for a majority of our Precision Power products for periods typically ranging from 
12 to 24 months after shipment. We warranted our inverter products for five to ten years and provided the option to purchase 
additional warranty coverage up to 20 years. The warranty expense accrued related to our standard inverter product warranties is 
now considered part of our discontinued operations and is recorded as such on our Consolidated Balance Sheets. See Note 3. 
Discontinued Operations for more information. See Note 13. Warranties for more information on our warranties from continuing 
operations. We estimate the anticipated costs of repairing our products under such warranties based on the historical costs of the 
repairs. The assumptions we use to estimate warranty accruals are reevaluated periodically, in light of actual experience, and when 
appropriate, the accruals are adjusted. Should product failure rates differ from our estimates, actual costs could vary significantly 
from our expectations.

Stock-Based Compensation — Accounting for stock-based compensation requires the measurement and recognition 
of compensation expense for all share-based payment awards made to employees and directors based on estimated fair values. We 
have estimated the fair value of all stock options and awards on the date of grant using the Black-Scholes-Merton pricing model, 
which is affected by our stock price, as well as  assumptions regarding a number of complex and subjective variables. These 
variables include our expected stock price volatility over the term of the awards, actual and projected employee option exercise 
behaviors, risk free interest rates and expected dividends. We also estimate forfeitures at the time of grant and revise those estimates 
in subsequent periods if actual forfeitures differ from our estimates. Our expected volatility assumption is based on the historical 
daily closing price of our stock over a period equivalent to the expected life of the options. Our 2012-2014 Long-term Incentive 
Plan included a cash settlement option for awards of restricted stock units.

Income Taxes — We follow the liability method of accounting for income taxes under which deferred tax assets and 
liabilities are recognized for future tax consequences. A deferred tax asset or liability is computed for both the expected future 
impact of differences between the financial statement and tax basis of assets and liabilities and for the expected future tax benefit 
to be derived from tax loss and tax credit carry-forwards. Tax rate changes are reflected in the period such changes are enacted.

We assess the recoverability of our net deferred tax assets and the need for a valuation allowance on a quarterly basis. 
Our assessment includes a number of factors including historical results and taxable income projections for each jurisdiction. The 
ultimate realization of deferred income tax assets is dependent on the generation of taxable income in appropriate jurisdictions 
during the periods in which those temporary differences are deductible. We consider the scheduled reversal of deferred income 
tax liabilities, projected future taxable income, and tax planning strategies in determining the amount of the valuation allowance. 
Based on the level of historical taxable income and projections for future taxable income over the periods in which the deferred 
income tax assets are deductible, we determine if we will realize the benefits of these deductible differences.

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Accounting for income taxes requires a two-step approach to recognize and measure uncertain tax positions. In general, 
we are subject to regular examination of our income tax returns by the Internal Revenue Service and other tax authorities. The 
first step is to evaluate the tax position for recognition by determining, if based on the technical merits, it is more likely than not 
that the position will be sustained upon audit, including resolutions of related appeals or litigation processes, if any. The second 
step is to measure the tax benefit as the largest amount that is more than 50% likely of being realized upon ultimate settlement. 
We  regularly  assess  the  likelihood  of  favorable  or  unfavorable  outcomes  resulting  from  these  examinations  to  determine  the 
adequacy of our provision for income taxes. This evaluation is based on factors including, but not limited to, changes in facts or 
circumstances, changes in tax law, effectively settled issues under audit, and new audit activity.

Commitments and Contingencies — From time to time we are involved in disputes and legal actions arising in the 
normal course of our business. While we currently believe that the amount of any ultimate loss would not be material to our 
financial position, the outcome of these actions is inherently difficult to predict. In the event of an adverse outcome, the ultimate 
loss could have a material adverse effect on our financial position or reported results of operations in a particular period. An 
unfavorable decision, particularly in patent litigation, could require material changes in production processes and products or result 
in our inability to ship products or components found to have violated third-party patent rights. We accrue loss contingencies when 
it is probable that a loss has occurred or will occur and the amount of the loss can be reasonably estimated. Our estimates of 
probability of losses are subjective, involve significant judgment and uncertainties, and are based on the best information we have 
at any given point in time. Resolution of these uncertainties in a manner inconsistent with our expectations could have a significant 
impact on our results of operations and financial condition.

NEW ACCOUNTING STANDARDS

From time to time, the Financial Accounting Standards Board ("FASB") or other standards setting bodies issue new 
accounting pronouncements. Updates to the FASB Accounting Standards Codification (“ASC”) are communicated through issuance 
of an Accounting Standards Update (“ASU”). Unless otherwise discussed, we believe that the impact of recently issued guidance, 
whether adopted or to be adopted in the future, is not expected to have a material impact on the Consolidated Financial Statements 
upon adoption. 

In April 2014, the FASB issued guidance redefining discontinued operations and requiring only those disposals of 
components of an entity, including classifications as held for sale, that represent a strategic shift that has, or will have, a major 
effect on an entity’s operations and financial results to be reported as discontinued operations. In addition, the new standard expands 
the disclosure requirements of discontinued operations. As of December 31, 2015, we have discontinued our inverter engineering, 
sales, and production and have applied this guidance to our Consolidated Financial Statements herein.

In May 2014, the FASB issued guidance on revenue from contracts with customers, which implements a five step 
process for how an entity should recognize revenue in order to depict the transfer of promised goods or services to customers in 
an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This 
guidance will be effective for fiscal periods beginning after December 15, 2017 and for the interim periods within that year. Early 
application is not permitted. The standard permits the use of either the retrospective or cumulative effect transition method. We 
are currently evaluating the impact that the adoption will have on our Consolidated Financial Statements and related disclosures. 
We have not yet selected a transition method nor have we determined the effect of the standard on our ongoing reporting.

In November 2015, the FASB issued guidance requiring entities to present deferred tax assets and liabilities as noncurrent 
in a classified balance sheet instead of separating into current and noncurrent amounts. This guidance is effective for financial 
statements issued for annual periods beginning after December 15, 2016, and interim periods within those annual periods, on a 
prospective or retrospective basis. Early adoption is permitted for all companies in any interim or annual period. Advanced Energy 
has not determined in what period it will adopt or what adoption method it will use and is currently assessing the impact that this 
guidance may have on its Consolidated Financial Statements.

NOTE 2. 

BUSINESS ACQUISITIONS

Refusol Holding

On April 8, 2013, we acquired all the outstanding shares of Refusol Holding GmbH pursuant to a Sale and Purchase 
Agreement (the "SPA") between AEI Holdings, GmbH (formerly Blitz S13-103, GmbH) ("AEI Holdings"), an indirect wholly-
owned  subsidiary  of Advanced  Energy  Industries,  Inc.;  Jolaos Verwaltungs  GmbH  ("Jolaos")  and  Prettl  Beteilgungs  Holding 
GmbH. Refusol Holding GmbH ("Refusol Holding") owns all of the shares of Refusol GmbH and its subsidiaries (collectively 
and together with Refusol Holding, "Refusol"). Refusol developed, manufactured, distributed and serviced PV inverters. The 
acquisition of Refusol is intended to broaden our portfolio and extend our geographic distribution.

Consideration paid totaled approximately $87.2 million, consisting of a cash payment of $75.4 million, net of cash acquired 
and a working capital reduction and assumption of debt totaling $11.9 million. The agreement called for additional cash consideration 

50

  
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

if certain stretch financial targets were met by our Inverters segment and Refusol, on a combined basis, at the end of the twelve 
(12) calendar months following April 1, 2013. These financial targets were not met.

The components of the fair value of the total consideration transferred for the Refusol acquisition are as follows (in 

thousands):

Cash paid to owners

Debt assumed

Working capital adjustment

Cash acquired

Total fair value of consideration transferred

$

$

79,550

11,873
(2,340)
(1,836)
87,247

The following table summarizes estimated fair values of the assets acquired and liabilities assumed as of April 8, 2013 

(in thousands):

Accounts receivable
Inventories
Other current assets
Property and equipment
Other long-term assets
Deferred tax assets

Current liabilities
Long-term liabilities

Amortizable intangible assets:

Trademarks
Technology
Customer relationships

Total amortizable intangible assets
Total identifiable net assets
Goodwill
Total fair value of consideration transferred

$

$

8,868
13,610
6,769
4,708
130
(3,156)
(33,397)
(41,646)
(44,114)

1,300
5,700
3,500
10,500
(33,614)
120,861
87,247

A summary of the intangible assets acquired, amortization method and estimated useful lives as of April 8, 2013 follows 

(in thousands, except useful life): 

Trademarks

Technology

Customer relationships

Amount

Amortization Method

Useful Life

$

1,300

5,700

3,500

$ 10,500

Straight-line

Straight-line

Straight-line

1.5

5

5

During the first two quarters of 2014, we finalized the purchase price accounting of Refusol and made adjustments to 
Goodwill of $29.4 million, primarily consisting of adjustments to the opening balance of accrued warranty and other accrued 
expenses. All assets and liabilities are recorded in the functional currency of the entity and are subject to changes due to translation 
at each balance sheet date. The goodwill associated with the acquisition was fully impaired in 2015 as part of our inverter wind 
down. See Note 3. Discontinued Operations for more information.

Power Control Module

On January 27, 2014, we acquired the intellectual property related to AEG Power Solutions' Power Control Modules 
("PCM"). PCM is comprised of the Thyro-Family of products and accessories and serves numerous power control applications in 
different industries ranging from materials thermal processing through chemical processing, glass manufacturing and numerous 

51

  
 
 
 
 
 
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

other general industrial power applications. This acquisition is expected to broaden our product offerings and will be added to our 
precision power portfolio. We paid total consideration of $31.5 million including contingent consideration, of which $15.0 million 
is included in Intangibles, $16.4 million in Goodwill, and $0.1 million in Property, plant, and equipment. Included in Goodwill is 
$1.4 million of contingent consideration that was paid in the first quarter of 2015. All assets and liabilities are recorded in the 
functional currency of the entity and are subject to changes due to translation at each balance sheet date. The goodwill associated 
with the acquisition is the result of expected synergies and expansion of our product offerings into new markets. 

HiTek Power Group

On April 12, 2014, Advanced Energy acquired all outstanding common stock of HiTek Power Group ("HiTek"), a privately-
held provider of high voltage power solutions. Based in the United Kingdom, HiTek offers a comprehensive portfolio of high 
voltage and custom built power conversion products, ranging from 100V to 500kV, designed to meet the demanding requirements 
of  OEMs  worldwide. These  products  target  applications  including  semiconductor  wafer  processing  and  metrology,  scientific 
instrumentation, mass spectrometry, industrial printing, and analytical x-ray systems for industrial and analytical applications. 
HiTek's  unique  product  architecture,  encapsulation  technology  and  control  algorithms,  combined  with  deep  knowledge  of  its 
customer-specific applications, have made it a leading provider of critical, high-end, high voltage power solutions. We acquired 
HiTek to expand our product offerings in our precision power portfolio.

The  components  of  the  fair  value  of  the  total  consideration  transferred  for  the  HiTek  acquisition  are  as  follows  (in 

thousands):

Cash paid to owners
Cash acquired
Total fair value of consideration received

$

$

3,525
(6,889)
(3,364)

The following table summarizes estimated fair values of the assets acquired and liabilities assumed as of April 12, 2014 

(in thousands):

Accounts receivable
Inventories
Other current assets
Property and equipment
Deferred taxes on intangible values
Current liabilities
Long-term liabilities
Total tangible assets, net

Amortizable intangible assets:

Tradename

Technology

Customer relationships

Total amortizable intangible assets

Total identifiable net assets

Gain on bargain purchase *

$

2,867
4,980
415
1,291
2,020
(3,836)
(22,725)
(14,988)

336

4,029

8,225

12,590
(2,398)
(966)
(3,364)

Total fair value of consideration received
*A gain (bargain purchase gain) is recorded when the fair value of assets acquired exceeds the fair value of the liabilities assumed and
consideration paid.  This gain is recorded in Other income on our Consolidated Statements of Operations.

$

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

A summary of the intangible assets acquired, amortization method and estimated useful lives as of April 12, 2014 follows 

(in thousands, except useful life): 

Technology

Tradename

Customer relationships

Amount

Amortization Method

Useful Life

$

4,029

336

8,225

$ 12,590

Straight-line

Straight-line

Straight-line

10

2.5

15

All assets and liabilities are recorded in the functional currency of the entity and are subject to changes due to translation 

at each balance sheet date. 

UltraVolt, Inc.

On August 4, 2014, Advanced Energy acquired all outstanding common stock of UltraVolt, Inc. ("UltraVolt"), a privately-
held provider of high voltage power solutions. Based in Ronkonkoma, New York, UltraVolt offers a comprehensive portfolio of 
high voltage power supplies and modules ranging from benchtop and rack mount systems to microsize printed circuit board mount 
modules. Its standard DC-to-DC product line consists of over 1,500 models, which can be combined with accessories and options 
to  create  thousands  of  product  configurations.  Serving  over  100  markets,  UltraVolt's  fixed-frequency,  high-voltage  topology 
provides wide input and output operating ranges while retaining excellent stability and efficiencies. We acquired UltraVolt to 
expand our high voltage product offerings in our precision power portfolio.

The components of the fair value of the total consideration transferred for the UltraVolt acquisition are as follows (in 

thousands):

Purchase price

Net working capital adjustment
Total fair value of consideration transferred

$

$

30,200

1,073
31,273

The following table summarizes estimated fair values of the assets acquired and liabilities assumed as of August 4, 2014 

(in thousands):

Cash
Accounts receivable
Inventories
Other current assets

Property and equipment
Long-term assets
Deferred taxes on intangible values

Current liabilities

Total tangible assets, net

Amortizable intangible assets:

Technology

Tradename

Customer relationships

Total amortizable intangible assets

Total identifiable net assets

Goodwill

Total fair value of consideration transferred

53

$

$

758
1,694
2,599
264

424
711
(2,087)
(1,053)
3,310

2,100

200

8,600

10,900

14,210

17,063

31,273

  
 
 
 
 
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

A summary of the intangible assets acquired, amortization method and estimated useful lives as of August 4, 2014 follows 

(in thousands, except useful life): 

Technology

Tradename

Customer relationships

Amount

Amortization Method

Useful Life

$

2,100

200

8,600

$ 10,900

Straight-line

Straight-line

Straight-line

10

2.5

12

The goodwill associated with the acquisition is the result of expected synergies and expansion of the technology into 

additional markets that we already serve. 

NOTE 3. 

DISCONTINUED OPERATIONS

In June 2015, the Company completed its six-month long process of seeking strategic alternatives for its inverter business 
and no satisfactory offers were received for all or a part of the inverter business. On June 29, 2015 we announced our decision to 
wind-down our inverter product business to focus solely on our core Precision Power business. This constituted a strategic shift 
as inverter engineering, manufacturing and sales constituted a separate reporting segment for the Company. The wind down was 
completed  in  December  2015  and  as  such  inverter  engineering,  manufacturing  and  sales  has  been  reflected  as  “Loss  from 
discontinued operations, net of income taxes” on our Consolidated Statements of Operations for all periods presented herein. 

The sale of extended inverter warranties are reflected in deferred revenue on our Consolidated Balance Sheets and will 
be reflected in Continuing operations in future periods as the deferred revenue is earned and the associated services are rendered. 

The significant items included in "Loss from discontinued operations, net of income taxes" are as follows:

Sales
Cost of sales
Total operating expenses (including restructuring)
Operating loss from discontinued operations
Other expense
Loss from discontinued operations before income taxes
Provision for income taxes
Loss from discontinued operations, net of income taxes

Year Ended December 31,

2015

2014

2013

$

$

$

95,856
139,045
232,262
(275,451)
(55)
(275,506)
(33,538)
(241,968) $

$

215,763
209,795
51,637
(45,669)
(658)
(46,327)
(23,814)
(22,513) $

247,623
183,080
97,767
(33,224)
(814)
(34,038)
(6,414)
(27,624)

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Assets and Liabilities of discontinued operations within the Consolidated Balance Sheets are comprised of the 

following:

Cash and cash equivalents

Account and other receivables, net*

Inventories

Deferred income tax assets

Current assets of discontinued operations

Property, plant and equipment, net

Intangibles and other assets, net

Non-current assets of discontinued operations

Accounts payable and other accrued expenses
Accrued warranty*
Accrued restructuring*

Current liabilities of discontinued operations

Accrued warranty*
Other liabilities

Non-current liabilities of discontinued operations

December 31,

2015

2014

11,277

$

16,331

—

14,294

3,884

39,620

48,990

8,909

41,902

$

101,403

—

1,271

1,271

$

19,217

156,990

176,207

19,261
11,852
5,368
36,481

27,124
178
27,302

$

$

41,985
16,157
426
58,568

18,352
322
18,674

$

$

$

$

$

*Any changes in the estimates which underlie these accruals and reserves will be reflected in “Loss from discontinued 
operations, net of tax” in future periods.

NOTE 4. 

INCOME TAXES

The geographic distribution of pretax income from continuing operations is as follows (in thousands):

Years Ended December 31,
2014

2013

2015

Domestic
Foreign

$

$

13,237
92,205
105,442

$

$

16,735
69,270
86,005

$

$

28,459
19,863
48,322

The provision (benefit) for income taxes from continuing operations is summarized as follows (in thousands): 

Years Ended December 31,
2014

2013

2015

Current:
Federal
State
Foreign

Total current provision (benefit)

Deferred:
Federal
State
Foreign

Total deferred provision (benefit)
Total provision (benefit) for income taxes

$

$

$

$
$

5,823
335
5,950
12,108

569
870
8,413
9,852
21,960

$

$

$

$
$

6,436
481
4,312
11,229

832
587
3,862
5,281
16,510

$

$

$

$
$

(8,631)
(769)
3,850
(5,550)

(4,351)
(635)
(852)
(5,838)
(11,388)

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following reconciles our effective tax rate on income from continuing operations to the federal statutory rate of 35% 

(in thousands):

Years Ended December 31,
2014

2013

2015

Income taxes per federal statutory rate
State income taxes, net of federal deduction
Change in valuation allowance
Stock based compensation
Executive compensation
Domestic production activity benefit
Tax effect of foreign operations
Tax credits
Other permanent items, net

$

$

37,498
1,204
6,503
(166)
—
—
(22,495)
(969)
385
21,960

$

$

29,786
135
12
(112)
751
(124)
(12,081)
(2,208)
351
16,510

$

$

16,747
(1,329)
(393)
(296)
56
(135)
(22,268)
(3,551)
(219)
(11,388)

Deferred tax assets and liabilities are recognized for the future tax consequences of differences between the carrying 
amounts of assets and liabilities and their respective tax bases using enacted tax rates in effect for the year in which the differences 
are expected to be reversed. Significant deferred tax assets and liabilities consist of the following (in thousands):

Deferred tax assets

Stock based compensation
Net operating loss and tax credit carryforwards
Pension obligation
Excess and obsolete inventory
Deferred revenue
Vacation accrual
Restructuring
Bad debt reserve
Employee bonuses and commissions
Unrealized gain/loss
Warranty reserve
Other

Deferred tax assets

Less:  Valuation allowance

Net deferred tax assets

Deferred tax liabilities

Depreciation and amortization

Foreign other

Other

Deferred tax liabilities

Net deferred tax assets (liabilities)

Years Ended December 31,

2015

2014

$

$

3,716
49,374
3,662
3,692
12,423
750
83
114
1,191
1,506
91
899

77,501
(37,208)
40,293

3,875

1,050

260

5,185

$

35,108

$

4,029
19,434
4,242
3,308
13,271
939
115
341
128
1,020
170
369

47,366
(2,940)
44,426

4,666

555

153

5,374

39,052

As of December 31, 2015, the Company has recorded a valuation allowance on its U.S. domestic deferred tax assets of 
approximately $1.1 million related to state tax losses. The remaining valuation allowance on deferred tax assets approximates 
$36.1 million and relates to foreign losses that are both operating and capital in nature.  The foreign operating losses are attributable 
to Germany, the UK, Japan, and India.  As of December 31, 2015, there is not sufficient positive evidence to conclude that such 

56

  
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

losses will be recognized.  The foreign capital losses are attributable to the UK and may carry forward to offset future capital gains 
only.  The Company has determined that the future utilization of these capital losses is not more likely than not.

As of December 31, 2015, the Company had federal, foreign, and state tax loss carryforwards of approximately $47.4 
million,  $132.8  million,  and  $75.2  million,  respectively.   The  federal  and  state  tax  loss  carryforwards  are  subject  to  various 
limitations under Section 382 of the Internal Revenue Code and applicable state laws. The US federal tax losses will expire from 
2028 to 2035.  The US state losses will expire from 2018 to 2035. The foreign tax losses consist of approximately $101.4 million 
of German losses, $23.8 million of UK losses, $4.5 million of Japan losses, and $3.1 million of India losses, and, as noted above, 
are currently subject to a full valuation allowance.  The Germany, UK, and India losses have no expiration date and the Japan 
losses will begin to expire in 2021.

As of December 31, 2015, the Company has not provided for U.S. income tax or foreign withholding taxes on approximately 
$255.0 million of undistributed foreign earning because such earnings are considered to be permanently reinvested.  The Company 
believes it is not practicable to calculate the deferred taxes associated with these earnings because of the variability of multiple 
factors that would need to be assessed at the time of any assumed repatriation.  The Company believes, however, that foreign tax 
credits may be available to reduce federal income taxes in the event of distribution.

We account for uncertain tax positions by applying a minimum recognition threshold to tax positions before recognizing 
these positions in the financial statements.  The reconciliation of our total gross unrecognized tax benefits is as follows (in thousands):

Balance at beginning of period
Additions based on tax positions taken during a prior period
Additions based on tax positions taken during the current period
Reductions related to a lapse of applicable statute of limitations
Balance at end of period

$

$

8,001
433
3,413
(1,798)
10,049

$

$

5,523
136
3,757
(1,415)
8,001

$

$

2013
12,810
1,006
1,495
(9,788)
5,523

Years Ended December 31,
2014

2015

The full $10.0 million of unrecognized tax benefits, if recognized, will impact the Company’s effective tax rate.  In 
accordance with our accounting policy, we recognize accrued interest and penalties related to unrecognized tax benefits as a 
component of tax expense.  We had an immaterial amount of accrued interest and penalties at December 31, 2015 and 2014.  
We do not anticipate a material change to the amount of unrecognized tax positions within the next 12 months.  

The Company is currently under examination by the Internal Revenue Service (“IRS”) for the 2012 through 2014 tax 
years. As of December 31, 2015, the IRS has issued no notices of proposed assessment.  The Company regularly assesses the 
likelihood of an adverse outcome resulting from such examinations.  As of December 31, 2015, the Company believes the 
resolution of the current IRS audit will not have a material adverse impact on the Company’s financial statements.  With few 
exceptions,  the Company is no longer subject to U.S. federal, state and local, or non-U.S. income tax examinations by tax 
authorities for years before 2012.

NOTE 5. 

EARNINGS PER SHARE 

Basic earnings per share (“EPS”) is computed by dividing income available to common stockholders by the weighted-
average number of common shares outstanding during the period. The computation of diluted EPS is similar to the computation 
of basic EPS except that the numerator is increased to exclude charges that would not have been incurred, and the denominator is 
increased to include the number of additional common shares that would have been outstanding (using the if-converted and treasury 
stock methods), if securities containing potentially dilutive common shares (stock options and restricted stock units) had been 
converted to common shares, and if such assumed conversion is dilutive.

57

  
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following is a reconciliation of the weighted-average shares outstanding used in the calculation of basic and diluted 

earnings per share for the years ended December 31, 2015, 2014, and 2013 (in thousands, except per share data):

Years Ended December 31,
2014

2013

2015

Income from continuing operations, net of income taxes

$

83,482

$

69,495

$

59,710

Basic weighted-average common shares outstanding
Assumed exercise of dilutive stock options and restricted stock units
Diluted weighted-average common shares outstanding
Continuing operations:
Basic earnings per share
Diluted earnings per share

40,746
331
41,077

40,420
614
41,034

39,597
1,070
40,667

$
$

2.05
2.03

$
$

1.72
1.69

$
$

1.51
1.47

The following stock options and restricted units were excluded in the computation of diluted earnings per share because 

they were anti-dilutive (in thousands):

Years Ended December 31,
2014

2013

2015

Stock options
Restricted stock units

Stock Buyback

155
1

91
—

413
—

In May 2014, our Board of Directors authorized a program to repurchase up to $25.0 million of our stock over a twelve-
month period. Under this program, during the twelve months ended December 31, 2015, we repurchased and retired 1.4 million 
shares of our common stock for a total of $25.0 million. We completed the share repurchase program in the second quarter of 
2014.

In September 2015, our Board of Directors authorized a program to repurchase up to $150.0 million of our stock over 
a thirty-month period. Under this program, on November 6, 2015, we entered into an accelerated stock repurchase arrangement 
with Morgan Stanley & Co. LLC (the “Counterparty”) pursuant to a Fixed Dollar Accelerated Share Repurchase Transaction (the 
“ASR Agreement”) to purchase $50.0 million of shares of our common stock. On November 9, 2015, we advanced  $50.0 million 
to the Counterparty. This transaction used $39.6 million and we received 1.4 million shares of our common stock based on then-
current market prices of the $50.0 million advanced, representing 79% of the estimated shares to be repurchased under the ASR 
Agreement. The initial payment was recorded as a reduction to Stockholders' equity in our Consolidated Balance Sheets as of 
December 31, 2015. The total number of shares repurchased under the ASR Agreement is based on the average of the daily volume-
weighted average prices of the common stock during the term of the Agreement, less a discount. At settlement, if the Counterparty 
pays less than the original amount advanced, they will be required to reimburse us. If the Counterparty pays more than the original 
advance, we will chose to reimburse the Counterparty with either cash or additional shares. Final settlement of the ASR Agreement 
is expected to occur in the second quarter of 2016.

All shares repurchased were executed in the open market and no shares were repurchased from related parties. Repurchased 

shares were retired and assumed the status of authorized and unissued shares. 

NOTE 6. 

MARKETABLE SECURITIES

Our investments with original maturities of more than three months at time of purchase are considered marketable securities 

available for sale.

Our marketable securities consist of commercial paper and certificates of deposit as follows (in thousands):

December 31,

2015

2014

Commercial paper
Certificates of deposit
Total marketable securities

Cost

4,989
7,008
11,997

Fair Value
4,995
$
6,991
11,986

$

$

$

$

$

58

Cost

Fair Value
—
3,083
3,083

$

— $

3,083
3,083

  
 
 
 
 
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The maturities of our marketable securities available for sale as of December 31, 2015 are as follows:

Commercial paper

Certificates of deposit

Earliest
1/21/2016

3/1/2016

Latest
4/28/2016

9/18/2017

to

to

The value and liquidity of the marketable securities we hold are affected by market conditions, as well as the ability of 
the issuers of such securities to make principal and interest payments when due, and the functioning of the markets in which these 
securities are traded. Our current investments in marketable securities are expected to be liquidated during the next twelve months.

As of December 31, 2015, we do not believe any of the underlying issuers of our marketable securities are at risk of 

default.

NOTE 7. 

DERIVATIVE FINANCIAL INSTRUMENTS

We are impacted by changes in foreign currency exchange rates. We manage these risks through the use of derivative 
financial instruments, primarily forward contracts with banks. During the years ended December 31, 2015, 2014, and 2013 we 
entered into foreign currency exchange forward contracts to manage the exchange rate risk associated with intercompany debt 
denominated in nonfunctional currencies. These derivative instruments are not designated as hedges; however, they do offset the 
fluctuations of our intercompany debt due to foreign exchange rate changes. These forward contracts are typically for one month 
periods. At December 31, 2015, 2014, and 2013 we had EUR forward contracts. At December 31, 2013 we also had CAD and 
CHF forward contracts.

The notional amount of foreign currency exchange contracts at December 31, 2015, 2014, and 2013 was $37.2 million, 
$14.9 million, and $25.0 million, respectively, and the fair value of these contracts was not significant at December 31, 2015, 
2014, and 2013. During the years ended December 31, 2015, 2014, and 2013, we recognized a gain of $1.9 million, a gain of $0.1 
million and a loss of $0.9 million, respectively, on our foreign currency exchange contracts. These gains and losses were offset by 
corresponding gains and losses on the related intercompany debt and both are included as a component of other income, net, in 
our Consolidated Statements of Operations.

NOTE 8. 

ASSETS AND LIABILITIES MEASURED AT FAIR VALUE

Fair Value Hierarchy

Financial assets and liabilities recorded at fair value in our Consolidated Balance Sheets are categorized based upon a 
fair value hierarchy established by U.S. GAAP, which prioritizes the inputs used to measure fair value into the following levels:

Level 1:
Level 2:

Level 3:

Quoted market prices in active markets for identical assets or liabilities at the measurement date.
Quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets and
liabilities in markets that are not active, or other inputs that are observable and can be corroborated by
observable market data.

Inputs reflect management’s best estimates and assumptions of what market participants would use in pricing
the asset or liability at the measurement date. The inputs are unobservable in the market and significant to the
valuation of the instruments.

A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is 

significant to the fair value measurement.

59

  
 
 
 
 
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables present information about our financial assets measured at fair value, on a recurring basis, as of 
December 31, 2015, and December 31, 2014. The fair value hierarchy of the valuation techniques utilized to determine such fair 
value, is as follows (in thousands): 

December 31, 2015
Commercial paper
Certificates of deposit
Total marketable securities

December 31, 2014
Certificates of deposit
Total marketable securities

Level 1

Level 2

Level 3

Total

$

$

$
$

— $
—
— $

4,995
6,991
11,986

Level 1

Level 2

— $
— $

3,083
3,083

$

$

$
$

— $
—
— $

4,995
6,991
11,986

Level 3

Total

— $
— $

3,083
3,083

We  did  not  have  any  Level  3  investments  or  financial  liabilities  measured  at  fair  value,  on  a  recurring  basis,  as  of 
December 31, 2015 and December 31, 2014. There were no transfers in or out of Level 1, 2, or 3 fair value measurements during 
the year ended December 31, 2015. 

NOTE 9. 

INVENTORIES

For  information  regarding  the  valuation  of  our  inventory  refer  to  Note  1.  Operations  and  Summary  of  Significant 

Accounting Policies and Estimates.

Our inventories are valued at the lower of cost or market and computed on a first-in, first-out (FIFO) basis. Components 

of inventories, net of reserves, are as follows (in thousands):

Parts and raw materials
Work in process
Finished goods

NOTE 10. 

PROPERTY AND EQUIPMENT, NET

Details of property and equipment, net are as follows (in thousands):

Buildings and land
Machinery and equipment
Computer and communication equipment
Furniture and fixtures
Vehicles
Leasehold improvements
Construction in process

Less: Accumulated depreciation
Total property and equipment, net

60

December 31,

2015

2014

40,578
5,643
6,352
52,573

$

$

28,014
5,645
12,433
46,092

December 31,

2015

2014

1,623
30,479
19,744
1,319
215
15,173
15
68,568
(58,923)
9,645

$

$

1,745
27,495
20,035
1,527
130
15,243
—
66,175
(56,416)
9,759  

$

$

$

$

  
 
 
 
 
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Depreciation expense recorded in continuing operations and included in selling, general and administrative expense is 

as follows (in thousands):

Years Ended December 31,
2014

2013

2015

Depreciation expense

$

4,464

$

5,463

$

6,138

NOTE 11. 

GOODWILL

The following summarizes the changes in goodwill during the years ended December 31, 2015 and 2014 (in thousands):

Consolidated

$

43,875

$

453

$

(1,599) $

42,729

December 31, 2014

Additions

Effect of
Currency
Translation

December 31, 2015

Consolidated

December 31, 2013
14,212
$

Additions
32,997
$

$

Effect of
Currency
Translation

December 31, 2014
43,875

(3,334) $

Additions during the year represent the difference between the purchase price paid and the values assigned to identifiable 

assets acquired and liabilities assumed in purchase accounting, as described in Note 2. Business Acquisitions.

NOTE 12. 

INTANGIBLE ASSETS

Other intangible assets consisted of the following as of December 31, 2015 (in thousands, except weighted-average useful 

life):

Gross Carrying
Amount

$

$

14,130
31,276
2,892
48,298

$

$

Effect of
Changes in
Exchange
Rates

Accumulated
Amortization

Net Carrying
Amount

Weighted-
Average Useful
Life in Years

(1,535) $
(2,805)
(247)
(4,587) $

(2,828) $
(5,550)
(1,192)
(9,570) $

9,767
22,921
1,453
34,141

10
12
10

Technology-based
Customer relationships
Trademarks and other
Total intangible assets

Other intangible assets consisted of the following as of December 31, 2014 (in thousands, except weighted-average useful 

life):

Gross
Carrying
Amount

Effect of
Changes in
Exchange
Rates

Accumulated
Amortization

Net Carrying
Amount

Weighted-
Average Useful
Life in Years

Technology-based

Customer relationships

Trademarks and other

Total intangible assets

$

$

14,130

$

31,276

2,892

48,298

$

(928) $

(1,710)
(149)
(2,787) $

(1,526) $
(2,873)
(801)
(5,200) $

11,676

26,693

1,942

40,311

12

12

17

Amortization expense relating to other intangible assets included in our income from continuing operations is as follows 

(in thousands):

Amortization expense

$

4,368

$

4,998

$

850

61

Years Ended December 31,
2014

2013

2015

  
 
 
 
 
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Estimated amortization expense related to intangibles for each of the five years 2016 through 2020 and thereafter is as 

follows (in thousands):

Year Ending December 31,
2016
2017
2018
2019
2020
Thereafter

$

$

4,215
3,990
3,977
3,961
3,332
14,666
34,141

NOTE 13. 

OTHER ACCRUED EXPENSES

As  of  December 31, 2015  and  2014,  Other  accrued  liabilities was  $12.3  million  and  $11.8  million,  respectively.  No 

individual items in Other accrued expenses exceeded 5% of total current liabilities.

NOTE 14. 

WARRANTIES

Provisions of our sales agreements include product warranties customary to these types of agreements, ranging from 12 
months to 24 months following installation for Precision Power products and 3 years to 10 years following installation for our 
legacy inverter products. Costs related to legacy Inverter new product warranties are reflected in "Loss from discontinued operations, 
net of income taxes" in our Consolidated Statements of Operations, for all periods presented. Our provision for the estimated cost 
of warranties is recorded when revenue is recognized. We estimate the anticipated costs of repairing our products under such 
warranties  based  on  the  historical  cost  of  the  repairs. The  assumptions  we  use  to  estimate  warranty  accruals  are  reevaluated 
periodically,  in  light  of  actual  experience,  and  when  appropriate,  the  accruals  are  adjusted. We  also  offer  our  legacy  inverter 
customers  the  option  to  purchase  additional  warranty  coverage  up  to  20  years  after  the  base  warranty  period  expires. These 
warranties, reflected as deferred revenue  at time of sale, are included in Continuing operations on our Consolidated Statements 
of Operations as we will realize revenue in future periods as such warranty costs are incurred.

We establish accruals for warranty issues that are probable to result in future costs. Changes in product warranty accruals 

are as follows (in thousands):

Years Ended December 31,
2014

2013

2015

Balances at beginning of period
Warranty liabilities acquired
Increases to accruals related to sales during the period
Warranty expenditures
Effect of changes in exchange rates
Balances at end of period

NOTE 15. 

 STOCK-BASED COMPENSATION

$

$

1,612
—
1,071
(1,040)
(10)
1,633

$

$

3,187
260
788
(2,618)
(5)
1,612

$

$

2,601
—
2,849
(2,290)
27
3,187

As of December 31, 2015, we had two active stock-based incentive compensation plans; the 2008 Omnibus Incentive 
Plan and the Employee Stock Purchase Plan (“ESPP”). All new equity compensation grants are issued under these two plans; 
however, outstanding awards previously issued under inactive plans will continue to vest and remain exercisable in accordance 
with the terms of the respective plans. At December 31, 2015, there were 3.4 million shares reserved and 2.5 million shares available 
for future grant under our stock-based incentive plans.

2008 OMNIBUS INCENTIVE PLAN — The 2008 Omnibus Incentive Plan (the “Plan”) provides officers, directors, key 
employees, and other persons an opportunity to acquire or increase a direct proprietary interest in our operations and future success. 
Our Board of Directors currently administers the Plan, and makes all decisions concerning which officers, directors, employees, 
and other persons are granted awards, how many to grant to each recipient, when awards are granted, how the Plan should be 
interpreted, whether to amend or terminate the Plan, and whether to delegate administration of the Plan to a committee. In May 
2010, our shareholders approved an increase from 3,500,000 to 7,500,000 shares authorized for issuance under the Plan. The Plan 
provides for the grant of stock options, stock appreciation rights, restricted stock, stock units (including deferred stock units), 

62

  
 
 
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

unrestricted stock, and dividend equivalent rights. Any of the awards may be made as performance incentives to reward attainment 
of annual or long-term performance goals in accordance with the terms of the Plan. Stock options granted under the Plan may be 
non-qualified stock options or incentive stock options except that stock options granted to outside directors, consultants, or advisers 
providing services to us shall in all cases be non-qualified stock options. Included in the Plan is our 2012-2014 Long Term Incentive 
Plan ("2012-2014 LTI Plan") and our 2015 Long Term Incentive Plan ("2015 LTI Plan"). The Plan will terminate on May 7, 2018 
unless the administrator terminates the Plan earlier. As of December 31, 2015, 2,120,030 shares of common stock were available 
for grant under the Plan.

Stock-based Compensation Expense

Non-cash stock-based compensation expense is primarily included in selling, general and administrative expense and 

was $2.8 million, $3.7 million, and $9.8 million for the years ending December 31, 2015, 2014, and 2013, respectively.

Our stock-based compensation expense is based on the value of the portion of share-based payment awards that are 
ultimately expected to vest, assuming estimated forfeitures at the time of grant. Estimated forfeiture rates for our stock-based 
compensation expense applicable to options and RSUs was approximately 18% for the year ended December 31, 2015, 17% for 
the year ended December 31, 2014, and 16% for the year ended December 31, 2013.

Stock Options

Stock option awards are generally granted with an exercise price equal to the market price of our stock at the date of 

grant and with either a three or four-year vesting schedule and a term of 10 years, except as noted below.

Under our 2012-2014 LTI Plan, we made grants of performance based options during the first quarter of 2012, which 
vested in the first quarters of 2013, 2014, and 2015 based on the Company's achievement of return on net assets targets established 
by our Board of Directors at the beginning of 2012. Under our 2015 LTI Plan, we made grants of time-based options during the 
first quarter of 2015, which will vest annually over a three-year period. The fair value of options granted during the years ended 
December 31, 2015, 2014 and 2013 was estimated on the date of grant using the Black-Scholes-Merton option-pricing model 
using the following assumptions by grant year:

Fair value assumptions - stock options:
Risk-free interest rates
Expected dividend yield rates
Expected term
Expected volatility

2015

2014

2013

1.1% - 1.4%
—%
4.3 years
43%

1.7% - 1.9%
—%
5.3 years
53%

0.74%
—%
5.6 years
69%

The risk free interest rate is based on the five-year U.S. Treasury Bill at the time of the grant. Historically, company 
information is the primary basis for selection of the expected dividend yield. The expected term is based on historical experience. 
Expected volatility is based on historical volatility of our common stock using daily stock price observations.

The weighted-average fair value of options issued and total intrinsic value of options exercised were (in thousands, except 

share prices):

Weighted-average grant date fair value of options
Total intrinsic value of options exercised

2015

2014

2013

$
$

9.50
5,203

$
$

10.80
13,657

$
$

10.55
12,917

63

  
 
 
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Changes in outstanding time based stock options during the year ended December 31, 2015 were as follows (in thousands, 

except share prices):

Options outstanding at beginning of period

Options granted

Options exercised

Options forfeited

Options expired

Options outstanding at end of period

Options vested during the year

2015

2014

2013

Weighted-
Average
Exercise
Price

Shares

Weighted-
Average
Exercise
Price

Shares

Weighted-
Average
Exercise
Price

Shares

14.18

26.26

13.95

14.55

16.25

18.06

$

642

171

(229)

(38)

(3)

543

$

304

13.29

18.77

13.01

12.93

21.97

14.18

1,573

$

57
(910)
(76)
(2)
642

180

$

4,036

$

13.61

—
(2,055)
(199)
(209)
1,573

294

$

—

13.31

13.01

19.74

13.29

Changes in outstanding performance based stock options during the year ended December 31, 2015 were as follows (in 

thousands, except share prices):

Options outstanding at beginning of period
Options granted
Options exercised
Options forfeited
Options expired
Options outstanding at end of period

Options vested during the year

2015

2014

2013

Weighted-
Average
Exercise
Price

Shares

Weighted-
Average
Exercise
Price

Shares

Weighted-
Average
Exercise
Price

Shares

12.58
—
11.35
—
13.06
12.68

$

$

380
—
(137)
—
(144)
99

64

13.38
26.53
11.03
17.12
12.12
12.58

$

$

1,239
51
(408)
(384)
(118)
380

364

12.65
17.80
11.02
11.02
11.10
13.38

$

$

1,623
43
(89)
(87)
(251)
1,239

314

During each of the three years ended December 31, 2015, 2014 and 2013, the value of shares withheld for taxes from 

both time-based and performance based option exercises totaled $1.0 million, $1.6 million, and $1.3 million, respectively.

As of December 31, 2015, there was $1.0 million of total unrecognized compensation cost related to stock options granted 
and outstanding, net of expected forfeitures related to non-vested options, which is expected to be recognized through fiscal year 
2017, with a weighted-average remaining vesting period of 2.0 years. Information about our stock options that are outstanding, 
options that we expect to vest and options that are exercisable at December 31, 2015 were as follows (in thousands except share 
prices and lives):

Options Expected to Vest:
Options outstanding
Options expected to vest
Options exercisable

Weighted-
Average
Exercise Price
17.10
$
16.63
13.53

Number
642
606
439

Weighted-
Average
Remaining
Contractual
Life

Aggregate
Intrinsic
Value

$

6.3 years
6.1 years
5.0 years

7,146
7,031
6,454

64

  
 
 
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table summarizes information about the stock options outstanding at December 31, 2015 (in thousands, 

except share prices and lives):

Range of Exercise Prices
$7.69 to $9.51
$11.02 to $11.02
$11.21 to $12.77
$13.70 to $14.21
$14.50 to $15.65
$16.25 to $18.77
$20.19 to $24.31
$25.28 to $25.28
$26.32 to $26.32
$26.76 to $26.76
$7.69 to $26.76

Restricted Stock Units

Number
Outstanding
51
94
69
70
87
82
24
2
160
3
642

Options Outstanding
Weighted-Average
Remaining
Contractual Life

Weighted-
Average
Exercise Price
8.98
$
11.02
12.34
14.00
14.83
17.99
22.69
25.28
26.32
26.76
17.10

$

Options Exercisable

Number
Exercisable
51
94
69
70
87
44
19
2
—
3
439

Weighted-
Average
Exercise Price
8.98
$
11.02
12.35
14.00
14.83
17.32
22.29
25.28
—
26.76
13.53

$

4.7 years
6.0 years
4.5 years
4.4 years
4.7 years
7.4 years
2.9 years
8.3 years
9.1 years
8.1 years
6.3 years

The fair value of our RSUs is determined based upon the closing fair market value of our common stock on the grant 
date. Changes in the unvested time based restricted stock units during the year ended December 31, 2015 were as follows (in 
thousands):

2015

2014

2013

Weighted-
Average
Grant
Date Fair
Value

Shares

Weighted-
Average
Grant
Date Fair
Value

Shares

Weighted-
Average
Grant
Date Fair
Value

Shares

115
159
(86)
(14)
174

$

$

13.00
26.70
14.05
12.69
24.88

230
86
(163)
(38)
115

$

$

13.41
21.05
14.72
13.39
13.00

442
99
(242)
(69)
230

$

$

12.96
17.58
12.99
12.88
13.41

Balance at beginning of period
RSUs granted
RSUs vested
RSUs forfeited
Balance at end of period

Changes in the unvested performance based restricted stock units during the year ended December 31, 2015 were as 

follows (in thousands):

Balance at beginning of period
RSUs granted
RSUs vested
RSUs settled in cash
RSUs forfeited
Balance at end of period

2015

2014

2013

Weighted-
Average
Grant
Date Fair
Value

Shares

Weighted-
Average
Grant
Date Fair
Value

Shares

Weighted-
Average
Grant
Date Fair
Value

Shares

242
62
(75)
—
(169)
60

$

$

13.86
26.27
13.81
—
14.25
26.27

1,344
59
—
(418)
(743)
242

$

$

11.42
26.53
—
12.29
13.14
13.86

1,631
50
(235)
—
(102)
1,344

$

$

11.15
17.80
11.10
—
11.02
11.42

65

  
 
 
 
 
Table of Contents 

ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The weighted-average fair value of RSUs issued and total fair value of RSUs converted to shares were (in thousands, 

except share prices):

Weighted-average grant date fair value of RSUs
Total fair value of RSUs converted to shares

2015

2014

2013

$
$

26.66
3,782

$
$

22.87
5,439

$
$

17.73
11,032

As of December 31, 2015, there was $2.5 million of total unrecognized compensation cost, net of expected forfeitures 
related to non-vested RSUs granted, which is expected to be recognized through fiscal 2018, with a weighted-average remaining 
vesting period of 1.2 years.

Employee Stock Purchase Plan

The ESPP, a stockholder-approved plan, provides for the issuance of rights to purchase up to 1,000,000 shares of common 
stock. In May 2010, shareholders approved an increase from 500,000 to 1,000,000 shares authorized for sale under our ESPP. 
Employees below the Vice President level are eligible to participate in the ESPP if employed by us for at least 20 hours per week 
during at least five months per calendar year. Participating employees may contribute up to the lesser of 15% of their eligible 
earnings or $5,000 during each plan period. Currently, the plan period is six months. The purchase price of common stock purchased 
under the ESPP is currently equal to the lower of: 1) 85% of the fair market value of our common stock on the commencement 
date of each plan period or 2) 85% of the fair market value of our common shares on each plan period purchase date. At December 31, 
2015, 338,948 shares remained available for future issuance under the ESPP.

Purchase rights granted under the ESPP are valued using the Black-Scholes-Merton model. As of December 31, 2015, 
there was $0.1 million of total unrecognized compensation cost related to the ESPP that is expected to be recognized over a 
remaining period of five months. Total compensation expense was $0.2 million for the year ended December 31, 2015, $0.4 million 
for the year ended December 31, 2014, and  $0.2 million for the year ended December 31, 2013.

The fair value of each purchase right granted under the ESPP was estimated on the date of grant using the Black-Scholes-

Merton option pricing model with the following assumptions:

Risk-free interest rates
Expected dividend yield rates
Expected term
Expected volatility

2015

2013

2014
0.07% - 0.42% 0.06% - 0.08% 0.07% - 0.10%
—%
0.5 years
61.5%

—%
0.5 years
27.8%

—%
0.5 years
52.0%

The risk free interest rate is based on the six month U.S. Treasury Bill at the time of the grant. Historical company 
information is the primary basis for selection of the expected dividend yield. The expected term is based on historical experience. 
Expected volatility is based on historical volatility of our common shares using daily stock price observations.

NOTE 16. 

RETIREMENT PLANS

Defined contribution plans

We  have  a  401(k)  profit  sharing  and  retirement  savings  plan  covering  substantially  all  full-time  U.S. employees. 
Participants may defer up to the maximum amount allowed as determined by law. Participants are immediately vested in their 
contributions. Profit sharing contributions to the plan, which are discretionary, are approved by the Board of Directors. Vesting in 
the profit sharing contribution account is based on years of service, with most participants fully vested after four years of credited 
service.

For the years ended December 31, 2015, 2014, and 2013 our contribution for participants in our 401(k) plan was 50% 

matching on contributions by employees up to 6% of the employee’s compensation. 

During the years ended December 31, 2015, 2014, and 2013 we recognized total defined contribution plan costs of $0.7 
million,  $0.6  million,  and  $0.6  million,  respectively,    in  "Selling,  general,  and  administrative"  expense  on  our  Consolidated 
Statements of Operations.

Defined benefit plans

In connection with the HiTek acquisition discussed in Note 2. Business Acquisitions, we acquired the HiTek Power Limited 
Pension Scheme ("the HiTek Plan"). The HiTek Plan has been closed to new participants and additional accruals since 2006. In 

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

order to measure the expense and related benefit obligation, various assumptions are made including discount rates used to value 
the obligation, expected return on plan assets used to fund these expenses and estimated future inflation rates. These assumptions 
are based on historical experience as well as facts and circumstances. An actuarial analysis is used to measure the expense and 
liability associated with pension benefits. The net amount of the pension liability on our balance sheet recorded in Other long-
term liabilities as of December 31, 2015 and December 31, 2014 was $17.8 million and $20.1 million, respectively. Anticipated 
payments to pensioners covered by the HiTek Plan are expected to be between $1.0 million and $1.5 million for each of the next 
ten years. We are committed to make annual fixed payments of $1.0 million into the Hitek plan through 2024.

The following table sets forth the components of net periodic pension cost for the year ended December 31, 2015 (in 

thousands):

Interest cost

Expected return on plan assets

Amortization of actuarial gains and losses

Net periodic pension cost

Assumptions used in the determination of the net periodic pension cost are:

Discount Rate
Expected long-term return on plan assets

Year Ended December 31,

2015

2014

$

$

$

1,093
(562)
373

904

$

1,061
(532)
—

529

Year Ended December 31,

2015

2014

3.9%
4.3%

3.6%
4.0%

We have derived the expected return on assets of 4.3% per annum from the weighted expected return on each of the major 

categories of assets.

The status of the HiTek Plan as reflected in "Other long-term liabilities" on our Consolidated Balance Sheets is summarized 

as follows (in thousands):

Projected benefit obligation, beginning of year
Acquisition
Interest cost
Actuarial (gain) loss
Benefits paid

Translation adjustment

Projected benefit obligation, end of year

Plan assets, beginning of year

Acquisitions

Actual return on plan assets

Contributions

Benefits paid

Actuarial (gain)

Translation adjustment

Plan assets, end of year

Funded status of plan

67

Year Ended December 31,

2015

2014

34,475
—
1,093
(1,435)
(825)
(1,842)
31,466

14,339

—

562

958
(825)
(583)
(774)
13,677

$

$

$

$

—
34,816
1,061
1,672
(460)
(2,614)
34,475

—

12,091

532

3,084
(460)
(8)
(900)
14,339

(17,789) $

(20,136)

$

$

$

$

$

  
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The fair value of the Company's qualified pension plan assets by category for the year ended December 31, 2015 are as 

follows (in thousands):

Multi-Asset Fund

Diversified Growth Fund

Index-Linked Gilts

Corporate Bonds

Cash

Total

$

$

Level 1

Level 2

Level 3

Total

— $

4,460

$

— $

—

—

—

237

237

4,767

2,113

2,100

—

—

—

—

—

$

13,440

$

— $

13,677

4,460

4,767

2,113

2,100

237

At December 31, 2015 the HiTek Plan assets of $13.7 million were invested in four separate funds including a multi-
asset fund (32.6%), a diversified growth fund (34.9%), an Investment grade long term bond fund (15.4%) and an index-linked gilt 
fund (15.4%).  The asset and growth funds aim to generate an ‘equity-like’ return over an economic cycle with significantly reduced 
volatility relative to equity markets and have scope to use a diverse range of asset classes, including equities, bonds, cash and 
alternatives, e.g. property, infrastructure, high yield bonds, floating rate debt, private, equity, hedge funds and currency.  The bond 
fund and gilt fund are invested in index-linked gilts and corporate bonds. These investments are intended to provide a degree of 
protection against changes in the value of the HiTek Plan's liabilities related to changes in long-term expectations for interest rates 
and  inflation  expectations, i.e.  the  protection assets  provide  a  direct  hedge  against  increases  in  the  value  of  the  HiTek  Plan's 
liabilities caused by changes in financial conditions. The current strategy might be expected to generate a return of around 1.7% 
per annum in excess of the long-term expected return from gilts.

The fair value of the Company's qualified pension plan assets by category for the year ended December 31, 2014 are as 

follows (in thousands):

Multi-Asset Fund
Diversified Growth Fund
Index-Linked Gilts
Corporate Bonds
Cash
Total

Level 1

Level 2

Level 3

Total

$

$

— $
—
—
—
218
218

$

4,685
4,950
2,248
2,238
—
14,121

$

$

— $
—
—
—
—
— $

4,685
4,950
2,248
2,238
218
14,339

NOTE 17. 

ACCUMULATED OTHER COMPREHENSIVE INCOME

Accumulated other comprehensive income consisted of the following (in thousands):

Foreign
Currency
Adjustments

Unrealized
Gains (Losses)
on Marketable
Securities

Total
Accumulated
Other
Comprehensive
Income

$

$

10,249
(10,228)
21

$

$

527
(14)
513

$

$

10,776
(10,242)
534

Balances at December 31, 2014
Current period other comprehensive income (loss)
Balances at December 31, 2015

NOTE 18. 

COMMITMENTS AND CONTINGENCIES

Disputes and Legal Actions

We are involved in disputes and legal actions arising in the normal course of our business. While we currently believe 
that the amount of any ultimate loss would not be material to our financial position, the outcome of these actions is inherently 
difficult to predict. In the event of an adverse outcome, the ultimate loss could have a material adverse effect on our financial 
position  or  reported  results  of  operations. An  unfavorable  decision  in  patent  litigation  also  could  require  material  changes  in 
production processes and products or result in our inability to ship products or components found to have violated third-party 

68

  
 
 
 
 
 
 
 
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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

patent rights. We accrue loss contingencies in connection with our commitments and contingencies, including litigation, when it 
is probable that a loss has occurred and the amount of the loss can be reasonably estimated.

German Lawsuit against Jolaos related to Purchase Price Adjustment in Acquisition of Refusol 

               On April 8, 2013, our subsidiary AEI Holdings GmbH (“AEI Holdings”) acquired all the outstanding shares of Refusol 
Holding GmbH (“Refusol”) from Jolaos Verwaltungs GmbH ("Jolaos") pursuant to the terms of the SPA. Jolaos is an affiliate of 
various  Prettl  entities  which  are  contract  manufacturers  of  certain  Refusol  three  phase  string  inverters.  Under  the  SPA,  the 
preliminary base price paid for the shares of Refusol was subject to a post-closing balance sheet adjustment based on confirmation 
of the financial statements of Refusol effective as of the closing date. AEI Holdings and Jolaos were in disagreement on various 
accounting adjustments to the closing date financial statements of Refusol. After repeated unsuccessful attempts to have Jolaos 
submit the dispute to an independent German accounting firm as required under the SPA, in December 2013 AEI Holdings petitioned 
the designated District Court in Stuttgart (Landgericht Stuttgart), Germany to review the dispute.  This dispute was settled in the 
fourth quarter of 2015.

Operating Leases

We have various operating leases for automobiles, equipment, and office and production facilities. Rent expense under 

operating leases was approximately $5.3 million in 2015, $5.7 million in 2014, and $6.1 million in 2013.

The future minimum rental payments required under non-cancelable operating leases as of December 31, 2015 are as 

follows (in thousands):

2016
2017
2018
2019
2020
Thereafter

$

$

5,898
3,348
2,398
2,388
2,344
4,547
20,923

*Future estimated payments on leases denominated in foreign currency are reflected above based on the estimated spot rate for that currency  
converted to US Dollars at December 31, 2015 and are subject to change.

Purchase Commitments

We have firm purchase commitments and agreements with various suppliers to ensure the availability of components.  
The obligation as of December 31, 2015 is approximately $44.2 million.  Our policy with respect to all purchase commitments, 
is to record losses, if any, when they are probable and reasonably estimable.  We continuously monitor these commitments for 
exposure to potential losses and will record a provision for losses when it is deemed necessary. 

NOTE 19. 

RESTRUCTURING COSTS

During the period, we recorded net restructuring expense related to continuing operations of approximately $0.2 million.  
See Note 3. Discontinued Operations for more information on restructuring related to discontinued operations. This was comprised 
of $0.3 million related to the current period activity offset by $0.1 million, related to the expiration of obligations associated with 
the 2013 plan. 

In June 2015, we committed to a restructuring plan in relation to the wind-down of our Inverter operations which has 
been completed as of December 31, 2015. Charges related to this plan that have an effect on continuing operations include strategic 
headcount reductions, streamlining operational processes and condensing administrative functions to improve efficiencies. This 
plan was completed in the fourth quarter of 2015.

In April 2014, we committed to a restructuring plan to take advantage of additional cost savings opportunities in connection 
with our acquisitions and realignment to a single organizational structure based on product line. The plan called for consolidating 
certain facilities and rebranding of products to allow us to use our resources more efficiently. This plan was completed in the fourth 
quarter of 2014. 

In April 2013, we committed to a restructuring plan to take advantage of additional cost saving opportunities in connection 
with our acquisition of Refusol. The plan called for consolidating certain facilities, further centralizing our manufacturing and 
rationalizing certain products to most effectively meet customer needs. All activities under this restructuring plan were completed 
prior to December 31, 2013.

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table summarizes the components of our restructuring costs incurred under the 2015 plan as of December 31, 

2015 (in thousands):

Severance and related costs

Contract settlement costs

Total restructuring charges

Twelve Months Ended
December 31,
2015

Cumulative costs through
December 31,
2015

$

$

184

73

257

$

$

184

73

257

The following table summarizes the components of our restructuring costs incurred under the 2014 plan as of December 31, 

2015 (in thousands):

Severance and related costs
Facility closure costs
Total restructuring charges

Twelve Months Ended
December 31,
2015

Cumulative costs through
December 31,
2015

$

$

— $
—
— $

1,282
582
1,864

 The following table summarizes the components of our restructuring costs incurred under the 2013 plan as of December 31, 

2015 (in thousands):

Twelve Months Ended
December 31,
2015

Cumulative costs through
December 31,
2015

Severance and related costs
Property and equipment and intangible asset impairments
Facility closure costs
Total restructuring charges

$

$

— $
—
(59)
(59) $

2,762
43
1,206
4,011

The following table summarizes our restructuring liabilities under the 2015 plan (in thousands):

Balances at
December 31,
2014

Costs incurred
and charged to
expense

Cost paid or
otherwise
settled

Effect of
change in
exchange
rates

Balances at
December 31,
2015

Severance and related costs

Contract settlement costs

Total restructuring liabilities

$

$

— $

—

— $

184

73

257

$

$

(182) $
(69)
(251) $

— $

—

— $

2

4

6

The following table summarizes our restructuring liabilities under the 2014 plan (in thousands):

Balances at
December 31,
2014

Costs incurred
and charged to
expense

Cost paid or
otherwise
settled

Effect of
change in
exchange
rates

Balances at
December 31,
2015

Severance and related costs

Facility closure costs

Total restructuring liabilities

$

$

825

51

876

$

$

— $

—

— $

(824) $
(49)
(873) $

(1) $
(2)
(3) $

—

—

—

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table summarizes our restructuring liabilities under the 2013 plan (in thousands):

Balances at
December 31,
2014

Costs incurred
and charged to
expense

Cost paid or
otherwise
settled

Effect of
change in
exchange
rates

Balances at
December 31,
2015

Severance and related costs

Facility closure costs

Total restructuring liabilities

$

$

— $

84

84

$

— $
(59)
(59) $

— $
(12)
(12) $

— $
(13)
(13) $

—

—

—

NOTE 20. 

RELATED PARTY TRANSACTIONS

During the years ended December 31, 2015, 2014, and 2013, we engaged in the following transactions with companies 

related to members of our Board of Directors, as described below (in thousands):

Sales to related parties
Rent expense to related parties
Purchases from related parties

Sales - Related Parties

Years Ended December 31,

2015

2014

2013

$

$

706
—
40

$

321
1,850
—

622
1,880
—

Members of our Board of Directors hold various executive positions and serve as directors at other companies, including 
companies that are our customers. During the year ended December 31, 2015, we had sales to three such companies as noted above 
and there was accounts receivable from one such customer totaling $0.1 million at December 31, 2015. During the year ended 
December 31, 2014 we had sales to four such companies as noted above and there were no aggregate accounts receivable from 
these customers at December 31, 2014. During the year ended December 31, 2013 we had sales to one such company as noted 
above and there were no aggregate accounts receivable from this customer at December 31, 2013.

Purchases - Related Parties

During the year ended December 31, 2015, we had purchases from two such companies as noted above and there were 

no aggregate accounts payable from these vendors at December 31, 2015.

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

NOTE 21. 

GEOGRAPHIC AND SIGNIFICANT CUSTOMER INFORMATION

We  have  operations  in  the  United  States,  Europe  and Asia.  Our  disclosure  related  to  sales  and  long-lived  assets  by 
geographic area and information relating to major customers are presented below. Sales attributed to individual countries are based 
on customer location.                

Sales to external customers:
United States
Canada
North America

People's Republic of China
Other Asian countries
Asia

Germany
United Kingdom
Other European countries
Europe
Total sales

2015

Years Ended December 31,
2014
(In thousands)

2013

$ 268,257
195
268,452

64.7 % $ 230,843
347
64.7 % 231,190

— %

62.8 % $ 169,362
0.1 %
93
62.9 % 169,455

12,687
61,839
74,526

3.1 %
15.0 %
18.0 %

12,903
56,938
69,841

3.5 %
15.6 %
19.0 %

27,420
62,706
90,126

46,719
25,100
14
71,833
$ 414,811

43,343
11.3 %
22,670
6.1 %
289
(0.1)%
66,302
17.3 %
100.0 % $ 367,333

31,651
11.8 %
5,752
6.2 %
2,397
— %
39,800
18.0 %
100.0 % $ 299,381

56.6%
—%
56.6%

9.2%
20.8%
30.1%

10.6%
1.9%
0.8%
13.3%
100.0%

Sales to Applied Materials Inc., our largest customer, were $123.5 million or 29.8% of total sales for 2015, $109.3 million, 
or 29.8% of total sales, for 2014 and $96.2 million, or 32.1% of total sales for 2013. Sales to Lam Research were $84.2 million 
or 20.3% of total sales for 2015, $73.0 million, or 19.9% of total sales, for 2014 and $50.4 million, or 16.8% of total sales for 
2013. Our sales to Applied Materials and Lam Research include precision power products used in semiconductor processing and 
solar, flat panel display, and architectural glass applications. No other customer accounted for 10% or more of our sales during 
these periods.

December 31,

2015

2014

*Long lived assets:
United States
Asia
Europe

$

$

$

(In thousands)
31,556
3,134
51,825
86,515

$

31,711
3,456
58,778
93,945

* Long-lived assets include property and equipment, goodwill and other intangible assets.

NOTE 22. 

CREDIT FACILITY

In October 2012, we, along with two of our wholly-owned subsidiaries, AE Solar Energy, Inc. and Sekidenko, Inc., entered 
into a Credit Agreement, subsequently amended in November 2012 and August 2013, (the "Credit Agreement") with Wells Fargo 
Bank, National Association ("Wells Fargo"), as agent for and on behalf of certain lenders (each a "Lender"), which provides for a 
new secured revolving credit facility of up to $50.0 million (the "Credit Facility"). The Credit Facility provides us with the ability 
to borrow up to $50.0 million, although the amount of the Credit Facility may be increased by an additional $25.0 million up to 
a total of $75.0 million subject to receipt of lender commitments and other conditions. Borrowings under the Credit Facility are 
subject to a borrowing base based upon our domestic accounts receivable and inventory and are available for various corporate 
purposes, including general working capital, capital expenditures, and certain permitted acquisitions. The Credit Agreement also 
permits us to issue letters of credit which reduce availability under the Credit Agreement. The maturity date of the Credit Facility 
is October 12, 2017. 

At our election, the loans comprising each borrowing will bear interest at a rate per annum equal to either: (a) a "base 
rate" plus between one-half (0.5%) and one (1.0%) full percentage point depending on the amount available for additional draws 
under the Credit Facility ("Base Rate Loan"); or (b) the LIBOR rate then in effect plus between one and one-half (1.5%) and two 
(2%) percentage points depending on the amount available for additional draws under the Credit Facility. The "base rate" for any 

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Base Rate Loan will be the greatest of the federal funds rate plus one-half (0.5%) percentage point; the one-month LIBOR rate 
plus one (1.0%) percentage point; and Wells Fargo's "prime rate" then in effect. As of December 31, 2015, the rate in effect was 
4.0%.

The Credit Agreement requires us to pay certain fees to the Lenders and contains affirmative and negative covenants, 
which, among other things, require us to deliver to the Lenders specified quarterly and annual financial information, and limit us 
and our Guarantors (as defined below), subject to various exceptions and thresholds, from, among other things: (i) creating liens 
on our assets; (ii) merging with other companies or engaging in other extraordinary corporate transactions; (iii) selling certain 
assets or properties; (iv) entering into transactions with affiliates; (v) making certain types of investments; (vi) changing the nature 
of our business; and (vii) paying certain distributions or certain other payments to affiliates. Additionally, there are the following 
financial covenants: (i) during any period in which $12.5 million or less is available to us under the Credit Facility and for sixty 
(60) days thereafter, the Credit Agreement requires the maintenance of a defined consolidated fixed charge coverage ratio; and 
(ii) if there is any indebtedness under any issued and outstanding convertible notes, we are required to maintain a specified level 
of liquidity.

The Credit Agreement requires us to pay certain fees to the Lenders, including a $2,500 collateral management fee for 
each month that the Credit Facility is in place, and a fee based on the unused amount of the Credit Facility. During the twelve 
months ended December 31, 2015 and 2014, we expensed $0.5 million and $0.4 million, respectively, in interest and fees related 
to unused line of credit fees and amortization of debt issuance costs. We did not borrow against the Credit Facility during the 
twelve months ended December 31, 2015. As of December 31, 2015, we had $9.9 million of availability on our Wells Fargo Credit 
Facility. During the third quarter of 2015, the lender issued a letter of credit in the amount of $2.0 million related to a customer 
contract.

Pursuant to a Guaranty and Security Agreement (the "GS Agreement"), borrowings under the Credit Facility are guaranteed 
by our wholly-owned subsidiaries Aera Corporation and AEI US Subsidiary, Inc., (collectively the " Guarantors"). Under the GS 
Agreement, we and the Guarantors granted the Lenders a security interest in certain, but not all, of our and the Guarantors' assets.

As part of the acquisition of Refusol described in Note 2. Business Acquisitions, we assumed the outstanding debt of 
Refusol as of the acquisition date. There were three outstanding loans with banks related to this debt, of which one was repaid and 
cancelled during the third quarter of 2013.

Refusol, GmbH had an outstanding loan agreement with Commerzbank Aktiengesellschaft ("Commerzbank") for up to 
8.0 million Euros ("Commerzbank Loan Agreement"). The agreement allowed Refusol to borrow up to 8.0 million Euros through 
various types of instruments including an overdraft (revolving) facilities, money market (term) loans, surety loans, or guarantees. 
There was no maturity date. Borrowings under the revolving credit facility bore interest at 5.32%. Surety and guarantee loans bore 
interest at 1.5%. The Commerzbank Loan Agreement required the payment of a credit commission of 0.5% of the total loan amount. 
The agreement contained various covenants including a financial covenant requiring a specified level of equity. This line of credit 
was repaid and cancelled in the second quarter of 2014.

Refusol, GmbH also had an outstanding loan agreement with Bayerische Landesbank ("Bayern") which allowed it to 
borrow up to 4.0 million Euros either as overdraft facilities, term loans, or guarantees with repayment occurring one lump sum at 
the maturity date of the individual transaction with respect to term loans, or maturity of the loan agreement which was July 31, 
2013 (the "Bayern Loan Agreement"). The overdraft facility bore interest at 4.5%. Term loans bore interest at the money market 
rate established by Bayern at the time of the loan plus a margin of 1.9%. Guarantees bore interest at 1.25% and had an issuing fee 
per guarantee. Loan commitment fees were 0.25% on the unused portion of the total loan amount. The Bayern Loan Agreement 
contained certain reporting requirements and a financial covenant requiring a specified level of equity. 

Upon expiration of this agreement, Refusol, GmbH entered into a new loan agreement with Bayern under which it had 
the ability to borrow up to 4.0 million Euros (equal to $4.3 million on December 31, 2015) as either bank overdrafts, term loans, 
guarantees, or letters of credit. The overdraft facility bore interest at 3.9%, guarantees bore a rate of 1.64% and interest on term 
loans was a fixed rate set for each term loan period based on money market rates. Loan commitment fees were 0.25%. This line 
of credit was repaid and cancelled in the third quarter of 2014.

Refusol, Inc., a wholly-owned subsidiary of Refusol, GmbH located in the United States, had a revolving line of credit 
with Wells Fargo with an aggregate principal amount of $1.5 million and a maturity date of July 1, 2013. Borrowings under the 
line of credit were secured by all of Refusol, Inc.'s accounts receivable, inventory, and property, plant, and equipment and a letter 
of credit issued under the Commerzbank Loan Agreement. The line of credit bore interest at either (a) a fluctuating rate per annum 
one quarter of one percent (0.25%) above the Prime Rate or (b) the LIBOR rate then in effect plus two percent (2.0%). Refusol, 
Inc. had the option to select the method of interest each month. A commitment fee of 0.125% was payable by Refusol, Inc. on the 
unused portion of the line of credit. The line of credit contained certain affirmative and negative covenants limiting Refusol, Inc.'s 
ability to borrow additional funds or guarantee the debt of others. This line of credit was paid down and cancelled on its maturity 
date of July 1, 2013.

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ADVANCED ENERGY INDUSTRIES, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

NOTE 23. 

SUPPLEMENTAL QUARTERLY FINANCIAL DATA (UNAUDITED)

The following tables present unaudited quarterly results for each of the eight quarters in the period ended December 31, 
2015, in thousands. We believe that all necessary adjustments have been included in the amounts stated below to present fairly 
such quarterly information. Due to the volatility of the industries in which our customers operate, the operating results for any 
quarter are not necessarily indicative of results for any subsequent period.

Quarter Ended

December 31,
2015

September 30,
2015

June 30,
2015

March 31,
2015

Sales
Gross Profit
Restructuring
Operating income
Income from continuing operations, net of income
taxes

Income (loss) from discontinued operations, net of
income taxes*
Net income
Earnings per Share:

Continuing Operations:
Basic earnings per share
Diluted earnings per share
Discontinued Operations:

Basic earnings (loss) per share
Diluted earnings (loss) per share

Net Income (Loss):

Basic earnings (loss) per share
Diluted earnings (loss) per share

$

$
$

$
$

$
$

86,891
42,684
(117)
16,173

11,490

24,775
36,265

0.29
0.28

0.62
0.61

0.90
0.89

$

$
$

$
$

$
$

$

109,756
58,538
317
30,168

$

108,654
56,549
—
28,779

109,510
59,099
(2)
31,536

23,313

23,024

25,655

(6,881)
16,432

(255,483)
(232,459)

(4,379)
21,276

0.57
0.56

$
$

(0.17) $
(0.17) $

0.40
0.40

$
$

0.56
0.56

$
$

(6.24) $
(6.24) $

(5.68) $
(5.68) $

0.63
0.62

(0.11)
(0.11)

0.52
0.52

Sales
Gross Profit
Restructuring
Operating income
Income from continuing operations, net of income
taxes
Loss from discontinued operations, net of income
taxes*
Net income
Earnings per Share:

Continuing Operations:
Basic earnings per share
Diluted earnings per share
Discontinued Operations:

Basic loss per share
Diluted loss per share

Net Income:

Basic earnings per share
Diluted earnings per share

*See Note 3. Discontinued Operations.

Quarter Ended

December 31,
2014

September 30,
2014

June 30,
2014

March 31,
2014

$

$
$

$
$

$
$

$

110,163
56,543
863
28,609

23,312

(13,993)
9,319

0.58
0.57

$
$

(0.35) $
(0.35) $

0.23
0.23

$
$

$

91,584
46,130
560
20,130

15,917

(3,615)
12,302

0.40
0.39

$
$

(0.09) $
(0.09) $

0.31
0.30

$
$

$

82,226
42,387
84
16,000

13,127

(2,481)
10,646

0.32
0.32

$
$

(0.06) $
(0.06) $

0.26
0.26

$
$

83,360
42,999
—
21,353

17,139

(2,424)
14,715

0.42
0.41

(0.06)
(0.06)

0.36
0.35

ITEM 9. 

CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
FINANCIAL DISCLOSURE

None.

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ITEM 9A.  

CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

We have established disclosure controls and procedures, which are designed to ensure that information required to be 
disclosed in reports filed or submitted under the Securities Exchange Act of 1934 (the "Act") is recorded, processed, summarized, 
and reported, within the time periods specified in the Securities and Exchange Commission’s rules and forms. These disclosure 
controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be 
disclosed in the reports that we file or submit under the Act is accumulated and communicated to management, including our 
Principal  Executive  Officer  (Yuval  Wasserman,  Chief  Executive  Officer)  and  Principal  Financial  Officer  (Thomas  Liguori, 
Executive Vice President & Chief Financial Officer), as appropriate, to allow timely decisions regarding required disclosures.

As of the end of the period covered by this report, we conducted an evaluation, with the participation of management, 
including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the disclosure 
controls and procedures pursuant to the Exchange Act Rule 13a-15(b). Based upon this evaluation, the Chief Executive Officer 
and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of December 31, 2015. The 
conclusions of the Chief Executive Officer and Chief Financial Officer from this evaluation were communicated to the Audit 
Committee. We intend to continue to review and document our disclosure controls and procedures, including our internal controls 
and procedures for financial reporting, and may from time to time make changes aimed at enhancing their effectiveness and to 
ensure that our systems evolve with our business.

Management’s Annual Report on Internal Control over Financial Reporting

It is management’s responsibility to establish and maintain effective internal control over our financial reporting, which 
is a process designed under the supervision of our Chief Executive Officer and Chief Financial Officer and effected by our Board 
of Directors, management, and other personnel. Our internal control over financial reporting is designed to provide reasonable 
assurance concerning the reliability of our financial reporting and the preparation of our financial statements for external purposes 
in accordance with generally accepted accounting principles.

Management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness 
of our internal control over financial reporting as of December 31, 2015, using the criteria described in Internal Control-Integrated 
Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based upon this evaluation, 
management concluded that our internal control over financial reporting was effective as of December 31, 2015.

Grant Thornton LLP, an independent registered public accounting firm, has audited our Consolidated Financial Statements 
included in this Form 10-K, and as part of the audit, has issued a report, included herein, on the effectiveness of our internal control 
over financial reporting as of December 31, 2015.

Changes in Internal Control over Financial Reporting

There was no change in our internal control over financial reporting, except as discussed below, that occurred during the 
fourth quarter of 2015 that has materially affected, or is reasonably likely to materially affect, our internal control over financial 
reporting.

Our policy is to implement effective internal controls for all acquisitions within one year of the acquisition date consistent 
with the rest of the organization. HiTek was acquired in April 2014 and UltraVolt was acquired in August 2014. During the third 
quarter and fourth quarter prior to the filing of Form 10-K for the period ended December 31,2015, the Company completed its 
efforts to ensure the existence of controls primarily related to cash disbursements, revenue, inventory procurement, segregation 
of duties, computer access controls, and computer change management controls.

Limitations on Controls and Procedures

Management has concluded that our disclosure controls and procedures and internal control over financial reporting 
provide reasonable assurance that the objectives of our control system are met. We do not expect, however, that our disclosure 
controls and procedures or internal control over financial reporting will prevent or detect all misstatements, errors, or fraud, if any. 
All control systems, no matter how well designed and implemented, have inherent limitations, and therefore no evaluation can 
provide absolute assurance that every misstatement, error, or instance of fraud, if any, or risk thereof, has been or will be prevented 
or detected. The occurrence of a misstatement, error, or fraud, if any, would not necessarily require a conclusion that our controls 
and procedures are not effective.

ITEM 9B. 

OTHER INFORMATION

None.

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PART III

In accordance with General Instruction G(3) of Form 10-K, certain information required by this Part III is 

incorporated by reference to the definitive proxy statement relating to our 2016 Annual Meeting of Stockholders (the “2016 
Proxy Statement”), as set forth below. The 2016 Proxy Statement will be filed with the Securities and Exchange Commission 
within 120 days after the end of our fiscal year.

ITEM 10. 

DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

The information set forth in the 2016 Proxy Statement under the headings “Proposal No. 1/ Election of Directors” and 
"Section  16(a)  Beneficial  Ownership  Reporting  Compliance"  is  incorporated  herein  by  reference. The  information  under  the 
heading “Executive Officers of the Registrant” in Part I of this Form 10-K is also incorporated herein by reference.

ITEM 11. 

EXECUTIVE COMPENSATION

The information set forth in the 2016 Proxy Statement under the headings “Executive Compensation” is incorporated 

herein by reference.

ITEM 12. 

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

The information set forth in the 2016 Proxy Statement under the headings “Security Ownership of Certain Beneficial 

Owners and Management” and “Equity Compensation Plan Information” is incorporated herein by reference.

ITEM 13. 

CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

The information is set forth in Note 20. Related Party Transactions in ITEM 8 "Financial Statements and Supplementary 
Data," and in the 2016 Proxy Statement under the caption “Certain Relationships and Related Transactions” is incorporated herein 
by reference.

ITEM 14. 

PRINCIPAL ACCOUNTANT FEES AND SERVICES

The information set forth in the 2016 Proxy Statement under the caption “Proposal No. 2/Ratification of the Appointment 
of Grant Thornton LLP as Advanced Energy's Independent Registered Public Accounting Firm for 2016” is incorporated herein 
by reference.

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PART IV

ITEM 15. 

EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(A) Documents filed as part of this Annual Report on Form 10-K are as follows:

1. Financial Statements:

Reports of Grant Thornton LLP

Consolidated Financial Statements:

Balance Sheets at December 31, 2015 and 2014 

Statements of Operations for each of the three years in the period ended December 31, 2015 

Statements of Comprehensive Income for each of the three years in the period ended December 31, 2015 

Statements of Stockholders’ Equity for each of the three years in the period ended December 31, 2015 

Statements of Cash Flows for each of the three years in the period ended December 31, 2015 

Notes to Consolidated Financial Statements

2. Financial Statement Schedules for each of the three years in the period ended December 31, 2015 

NOTE:  All schedules have been omitted because they are either not required or the information is included in the 

financial statements and notes thereto.

(B) Exhibits:

3.1 Restated Certificate of Incorporation, as amended. (1)

3.2 Restated By-laws, as amended. (19)

3.3 Amendment to Bylaws. (3)

3.4 Second Amendment to the By-laws of Advanced Energy Industries, Inc. (21)

3.5 Third Amendment to the By-Laws of Advanced Energy Industries, Inc. (22)

4.1 Form of Specimen Certificate for Common Stock. (2)

10.1 Lease, dated June 12, 1984, amended June 11, 1992, by and between Prospect Park East Partnership and Advanced

Energy Industries, Inc., for property located in Fort Collins, Colorado. (2)

10.2 Lease, dated March 14, 1994, as amended, by and between Sharp Point Properties, L.L.C., and Advanced Energy

Industries, Inc., for property located in Fort Collins, Colorado. (2)

10.3 Lease, dated May 19, 1995, by and between Sharp Point Properties, L.L.C. and Advanced Energy Industries, Inc., for

a building located in Fort Collins, Colorado. (2)

10.4 Lease dated March 20, 2000, by and between Sharp Point Properties, L.L.C. and Advanced Energy Industries, Inc.,

for a building located in Fort Collins, Colorado. (5)

10.5 Lease Amendment, dated as of April 26, 2010 by and between Sharp Point Properties, LLC and Advanced Energy

Industries, Inc., for a building located in Fort Collins, Colorado. (23)

10.6 Lease Amendment, dated as of August 19, 2010, by and between Sharp Point Properties, LLC and Advanced Energy

Industries, Inc., for a building located in Fort Collins, Colorado. (25)

10.7 Lease Termination Agreement, dated as of December 28, 2011, by and between Sharp Point Properties, LLC and

Advanced Energy Industries, Inc., for buildings located in Fort Collins, Colorado. (27)

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10.8 Lease Agreement, dated as of December 28, 2011, by and between Sharp Point Properties, LLC and Advanced

Energy Industries, Inc., for a building located at 1625 Sharp Point Drive, Fort Collins, Colorado. (27)

10.9 Lease Agreement, dated as of December 28, 2011, by and between Sharp Point Properties, LLC and Advanced

Energy Industries, Inc., for a building located at 2424 Midpoint Drive, Fort Collins, Colorado. (27)

10.10 Lease dated January 16, 2003, by and between China Great Wall Computer Shenzhen Co., Ltd., Great Wall Limited

and Advanced Energy Industries (Shenzhen) Co., Ltd., for a building located in Shenzhen, China. (6)

10.11 Form of Indemnification Agreement. (2)

10.12 Form of Director Indemnification Agreement. (21)

10.13 1995 Stock Option Plan, as amended and restated through February 7, 2001. (7)*

10.14 1995 Non-Employee Directors’ Stock Option Plan, as amended and restated through February 7, 2001. (7)*

10.15 2001 Employee Stock Option Plan. (1)*

10.16 2002 Employee Stock Option Plan. (1)*

10.17 2003 Stock Option Plan. (1)*

10.18 Amendment No. 1 to 2003 Stock Option Plan, dated January 31, 2005. (8)*

10.19 Form of Stock Option Agreement pursuant to the 2003 Stock Option Plan. (8)*

10.20 Amended and Restated 2003 Employees’ Stock Option Plan. (4)*

10.21 2003 Non-Employee Directors’ Stock Option Plan. (1)*

10.22 2003 Non-Employee Directors’ Stock Option Plan, as amended and restated. (4)*

10.23 Form of Restricted Stock Unit Award Agreement pursuant to the 2003 Non-Employee Directors’ Stock Option Plan,

as amended and restated as of February 15, 2006. (9)*

10.24 Form of Restricted Stock Unit Agreement pursuant to the 2003 Non-Employee Directors’ Stock Option Plan. (10)*

10.25 Restricted Stock Unit Agreement pursuant to the 2003 Stock Option Plan. (11)*

10.26 Form of Notice of Grant for Restricted Stock Unit. (36)*

10.27 Form of Restricted Stock Unit Agreement. (36)*

10.28 Form of Notice of Grant of Stock Option. (36)*

10.29 Form of Incentive Stock Option Agreement. (36)*

10.30 Form of Non-Qualified Stock Option Agreement. (36)*

10.31 Form of LTI Notice of Grant. (36)*

10.32 Form of LTI Performance Stock Option Agreement pursuant to the 2008 Omnibus Incentive Plan. (36)*

10.33 Form of LTI Performance Stock Unit Agreement pursuant to the 2008 Omnibus Incentive Plan. (36)*

10.34 Non-employee Director Compensation summary. (12)*

10.35 Non-Employee Director Compensation Structure. (17)*

10.36 2012 - 2014 Long-Term Incentive (LTI) Plan. (44)*

10.37 2012 - 2014 Short Term Incentive (STI) Plan, as revised.*

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Table of Contents

10.38 2015 Long-Term Incentive (LTI) Plan. (45)*

10.39 2015 Short-Term Incentive (STI) Plan. (45)*

10.40 2016 Long-Term Incentive (LTI) Plan.*

10.41 2016 Short-Term Incentive (STI) Plan.*

10.42 2008 Omnibus Incentive Plan, as amended May 4, 2010. (26)*

10.43 Executive Change in Control Severance Agreement. (13)

10.43.1 Form of Amendment to Executive Change in Control Agreement. (34)

10.44 Retirement Term Sheet relating to Douglas S. Schatz. (14)

10.45 Offer Letter, dated September 28, 2014, by and among Advanced Energy Industries, Inc. and Yuval Wasserman. (39)

10.46 Executive Change in Control Agreement, dated April 28, 2011, by and among Advanced Energy Industries Inc. and

Thomas O. McGimpsey. (31)

10.47 Executive Change in Control Agreement, dated September 30, 2014, by and among Advanced Energy Industries, Inc.

and Yuval Wasserman. (39)

10.48 Relocation Agreement, dated August 5, 2013, by and among Advanced Energy Industries, Inc. and Yuval

Wasserman. (19)

10.49 Executive Separation Agreement and Release of all Claims, dated  May 5, 2014, by and between Advanced Energy

Industries, Inc. and Gordon Tredger. (37)

10.50 Executive Transition and Separation Agreement, dated May 31, 2014, by and between Advanced Energy Industries,

Inc. and Garry Rogerson. (38)

10.51 Executive Transition and Separation Agreement, dated November 17, 2014, by and between Advanced Energy

Industries, Inc. and Danny C. Herron. (40)

10.52 Offer Letter to Thomas Liguori dated April 8, 2015. (41)

10.53 Executive Change in Control Agreement, dated May 18, 2015, by and among Advanced Energy Industries, Inc. and

Thomas Liguori. (41)

10.54 Global Supply Agreement by and between Advanced Energy Industries, Inc. and Applied Materials Inc. dated

August 29, 2005. (16)+

10.55 Shipping Amendment to the Global Supply Agreement by and between Advanced Energy Industries, Inc. and

Applied Materials Inc. dated August 29, 2005. (16)+

10.56 Bridge Amendment to the Global Supply Agreement by and between Advanced Energy Industries, Inc. and Applied

Materials Inc. dated January 26, 2011. (30)+

10.57 Sale and Purchase Agreement by and among Advanced Energy Industries, Inc., Blitz S13-103 GmbH, Jolaos

Verwaltungs GmbH and Prettl Beteiligungs Holdings, GmbH, dated as of April 8, 2013. (35)

10.58 Credit Agreement, dated October 12, 2012, by and among Wells Fargo Bank, National Association, as administrative

agent for certain lenders, Advanced Energy Industries, Inc., AE Solar Energy Inc., and Sekidenko, Inc. (33)

10.59 Guaranty and Security Agreement dated October 12, 2012 among Wells Fargo Bank, National Association,

Advanced Energy Industries, Inc., AE Solar Energy, Inc., Sekidenko, Inc., AEI US Subsidiary, Inc. and Aera

10.60 Amendment No. 1 to Credit Agreement dated November 8, 2012 among Wells Fargo Bank, National Association,

Advanced Energy Industries, Inc.,  AE Solar Energy, Inc., Sekidenko, Inc., AEI US Subsidiary, Inc. and Aera
Corporation. (34)

10.61 Wells Fargo Credit Facility Amendment dated September 24, 2015. (42)

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10.62 Fixed Dollar Accelerated Share Repurchase Transaction, dated November 6, 2015, between Advanced Energy

Industries, Inc. and Morgan Stanley & Co. LLC. (43)

14.1 Code of Ethical Conduct, as revised.

21.1 Subsidiaries of Advanced Energy Industries, Inc.

23.1 Consent of Grant Thornton LLP, Independent Registered Public Accounting Firm.

31.1 Certification of the Chief Executive Officer Pursuant to Rule 13a-14(a) under the Securities Exchange Act of

1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

31.2 Certification of the Principal Financial Officer Pursuant to Rule 13a-14(a) under the Securities Exchange Act of

1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

32.1 Certification of the Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002.

32.2 Certification of the Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002.

101.INS XBRL Instance Document

101.SCH XBRL Taxonomy Extension Schema Document

101.CAL XBRL Taxonomy Extension Calculation Linkbase Document

101.DEF XBRL Taxonomy Extension Definition Linkbase Document

101.LAB XBRL Taxonomy Extension Label Linkbase Document

101.PRE XBRL Taxonomy Extension Presentation Linkbase Document

Attached as Exhibit 101 to this report are the following materials from Advanced Energy, Inc.’s Annual Report on 
Form 10-K for the year ended December 31, 2015, formatted in XBRL (eXtensible Business Reporting Language): 
(i) the Consolidated Statements of Operations, (ii) the Consolidated Statements of Comprehensive Earnings, (iii) 
the Consolidated Balance Sheets, (iv) the Consolidated Statements of Cash Flows, (v) the Consolidated Statements 
of Stockholders’ Equity, and (vi) the Notes to the Consolidated Financial Statements.

_____________________________________

(1) 

(2) 

(3) 

(4) 

(5) 

(6) 

(7) 

(8) 

(9) 

Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 
2003 (File No. 000-26966), filed November 4, 2003.
Incorporated by reference to the Registrant’s Registration Statement on Form S-1 (File No. 33-97188), filed September 
2, 1995.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed December 5, 
2007.
Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2007 (File 
No. 000-26966), filed August 3, 2007.
Incorporated by reference to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2000 (File 
No. 000-26966), filed March 27, 2001.
Incorporated by reference to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2003 (File 
No. 000-26966), filed February 24, 2004.
Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2001 
(File No. 000-26966), filed May 9, 2001.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed February 3, 
2005.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed May 31, 2006.

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Table of Contents

(10) 

(11) 

(12) 

(13) 

(14) 
(15) 
(16) 

(17) 
(18) 
(19) 

(20) 

(21) 

(22) 
(23) 
(24) 

(25) 

(26) 
(27) 

(28) 
(29) 
(30) 
(31) 
(32) 
(33) 

(34) 
(35) 
(36) 
(37) 
(38) 
(39) 
(40) 

(41) 
(42) 

(43) 

(44) 
(45) 

Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2006 (File 
No. 000-26966), filed August 9, 2006.
Incorporated by reference to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2005 (File 
No. 000-26966), filed March 28, 2006.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed February 1, 
2006.
Incorporated by reference to the Registrant’s Annual Report on Form 10-K (File No. 000-26966), filed March 31, 
2005.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed August 9, 2005.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed July 6, 2005.
Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended September 30, 
2005 (File No. 000-26966), filed November 7, 2005.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed July 28, 2006.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed April 4, 2008.
Incorporated by reference to the Registrant's Quarterly Report on Form 10-Q (File No. 000-26966), filed August 6, 
2013.
Incorporated by reference to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2008 (File 
No. 000-26966), filed February 27, 2009.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed December 14, 
2009.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed April 23, 2010.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed May 7, 2010.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed August 16, 
2010.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966), filed August 20, 
2010.
Incorporated by reference to the Registrant's Annual Report on Form 10-K (File No. 000-26966), filed March 2, 2011.
Incorporated by reference to the Registrant's Current Report on Form 8-K (File No. 000-26966), filed December 29, 
2011.
Incorporated by reference to the Registrant's Current Report on Form 8-K (File No. 000-26966), filed August 2, 2011.
Incorporated by reference to the Registrant's Current Report on Form 8-K (File No. 000-26966), filed August 4, 2011.
Incorporated by reference to the Registrant's Quarterly Report on Form 10-Q (File No. 000-26966), filed May 6, 2011.
Incorporated by reference to the Registrant's Annual Report on Form 10-K (File No. 000-26966) filed March 2, 2012.
Incorporated by reference to the Registrant's Current Report on Form 8-K (File No. 000-26966) filed April 30, 2012.
Incorporated by reference to the Registrant's Current Report on Form 8-K (File No. 000-26966) filed October 15, 
2012.
Incorporated by reference to the Registrant's Annual Report on Form 10-K (File No. 000-26966) filed March 6, 2013.
Incorporated by reference to the Registrant's Current Report on Form 8-K (File No. 000-26966) filed April 11, 2013.
Incorporated by reference to the Registrant's Current Report on Form 8-K (File No. 000-26966) filed May 10, 2013.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966) filed May 5, 2014.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966) filed June 2, 2014.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966) filed October 1, 2014.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966) filed November 18, 
2014.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966) filed April 16, 2015.
Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q (File No. 000-26966) filed November 5, 
2015.
Incorporated by reference to the Registrant’s Current Report on Form 8-K (File No. 000-26966) filed November 6, 
2015.
Incorporated by reference to the Registrant's Annual Report on Form 10-K (File No. 000-26966), filed March 6, 2013.
Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q (File No. 000-26966) filed May 6, 2015.

*  Compensation Plan

+ Confidential treatment has been granted for portions of this agreement.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly 

caused this Annual Report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized.

ADVANCED ENERGY INDUSTRIES, INC.

(Registrant)

/s/  Yuval Wasserman

________________________________________________________________________________________________________________________

Yuval Wasserman
Chief Executive Officer

Date: February 25, 2016 

Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report has been signed below by 

the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Signatures

Title

Date

/s/  Yuval Wasserman
Yuval Wasserman

/s/  Thomas Liguori
Thomas Liguori

/s/  Grant H. Beard
Grant H. Beard

/s/  Frederick A. Ball
Frederick A. Ball

/s/  Terry F. Hudgens
Terry F. Hudgens

/s/  Ronald C. Foster
Ronald C. Foster

/s/  Edward C. Grady
Edward C. Grady

/s/  Thomas M. Rohrs
Thomas M. Rohrs

Chief Executive Officer and Director

February 25, 2016

Executive Vice President and Chief Financial Officer

February 25, 2016

Chairman of the Board

February 25, 2016

February 25, 2016

February 25, 2016

February 25, 2016

February 25, 2016

February 25, 2016

Director

Director

Director

Director

Director

82