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Plexus

plxs · NASDAQ Technology
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Ticker plxs
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Sector Technology
Industry Hardware, Equipment & Parts
Employees 10,000+
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FY2015 Annual Report · Plexus
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2015 Annual Report

Plexus Profile

About Plexus – The Product Realization Company
Plexus (www.plexus.com) delivers optimized solutions to help our customers realize their-go-to-market strategies 
by combining our expertise with their core competencies.  Our unique Product Realization Value Stream is designed 
to help our customers succeed in their markets through the seamless integration of product conceptualization, 
design, commercialization, manufacturing, fulfillment and sustaining solutions.  

Plexus delivers comprehensive end-to-end solutions for customers in the Americas, Europe, Middle East, Africa, 
and  Asia-Pacific  regions.    We  serve  mid-to-low  volume,  higher  complexity  customer  programs  characterized 
by  unique  flexibility,  technological,  quality  and  regulatory  requirements.    We  are  an  industry  leader,  providing 
award-winning customer service to over 140  branded product companies in the Networking/Communications, 
Healthcare/Life Sciences, Industrial/Commercial and Defense/Security/Aerospace market sectors.  

Our commitment to our customers’ success is deeply embedded in our culture.  Established in 1979, Plexus has 
over  35  years  of  experience  bringing  our  customers’  products  to  market  quickly  and  efficiently.    We  leverage 
our  expertise  to  understand  and  support  the  unique  needs  of  our  customers  and  the  markets  in  which  they 
operate.  We have designed our Product Realization Value Stream to support critical elements of our customers’ 
go-to-market strategies by solving complex problems with our comprehensive suite of services.  When customers 
leverage the full Plexus Product Realization Value Stream, we believe they gain a distinct competitive advantage 
in their markets.

|  Conceptualize  |  Design  |  Commercialize  |  Manufacture  |  Fulfill  |  Sustain  |

Conceptualize  –  Our  engineers  partner  with  our  customers  to  create  and  evaluate  new  product  ideas.    We 
collaborate closely with our customers to capture each customer’s vision for a new product and clarify functional 
requirements to drive concept evaluations and prototype development.  

Design – We leverage the latest technology and utilize state-of-the-art design automation tools and methodologies 
to provide comprehensive new product development and value engineering solutions.  

Commercialize – Our suite of design and manufacturing support services enable quick conversion of designs into 
viable manufactured products and facilitate a smooth ramp into full-scale production. These services can  reduce 
costs by assuring designs account for unit cost, serviceability, reliability, testability and manufacturability. 

Manufacture  –  Tailored  supply  chain  solutions,  customized  focused  factories  and  dedicated  resources  offer 
our  customers  flexibility  and  agility.    Our  scalable  operational  model  and  manufacturing  footprint  enable  our 
customers to meet their market and service level needs on a global scale. 

Fulfill  –  We  provide  unmatched  flexibility  and  responsiveness  when  fulfilling  our  customers’  orders.    Through 
customized direct order fulfillment, build-to-order and configure-to-order services, the total cost of ownership is 
minimized and the needs of end customers are fulfilled.  

Sustain – We sustain our customers' products after launch into the market by providing a range of Aftermarket 
Services, including complex repair, refurbishment and replacement processes.  Our customized, flexible solutions 
extend the life of our customers' products and optimize their supply chain investment.

Plexus is comprised of approximately 14,000  creative and talented employees who are committed to excellence.  
We  have  seven  engineering  facilities  located  to  provide  convenience  to  our  customers  while  attracting  the  best 
and brightest engineering talent.  Our 19 manufacturing facilities are strategically located in regions with strong 
manufacturing and supply chain competencies.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10–K

(mark one)
È ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended October 3, 2015
OR
‘ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Commission file number 001-14423

PLEXUS CORP.

(Exact Name of Registrant as Specified in its Charter)

Wisconsin
(State or other jurisdiction of
incorporation or organization)

39-1344447
(I.R.S. Employer
Identification No.)

One Plexus Way
Neenah, Wisconsin 54957
(920) 969-6000
(Address, including zip code, of principal executive offices and Registrant’s telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class

Name of Each Exchange on Which Registered

Common Stock, $.01 par value
Preferred Share Purchase Rights

The NASDAQ Global Select Market
The NASDAQ Global Select Market

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

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes È No ‘
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ‘ No È
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 È 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 (§232.405 of this chapter) during the preceding
12 months (or for such shorter period that the registrant was required to submit and post such files). Yes È No ‘

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not
contained herein, and will not be contained, to the best of the 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. È

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.
Large accelerated filer È
Non-accelerated filer ‘ (Do not check if a smaller reporting company)

Accelerated filer
Smaller reporting company ‘

‘

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ‘ No È
As of April 4, 2015, 33,594,930 shares of common stock were outstanding, and the aggregate market value of the shares of common
stock (based upon the $41.80 closing sale price on that date, as reported on the NASDAQ Global Select Market) held by non-affiliates
(excludes 376,447 shares reported as beneficially owned by directors and executive officers – does not constitute an admission as to affiliate
status) was approximately $1,388.5 million.

As of November 16, 2015, there were 33,420,000 shares of common stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Document

Proxy Statement for 2016 Annual
Meeting of Shareholders

Part of Form 10-K Into Which
Portions of Document are Incorporated

Part III

PLEXUS CORP.
TABLE OF CONTENTS
Form 10-K for the Fiscal Year Ended
October 3, 2015

PART I

ITEM 1. BUSINESS
ITEM 1A. RISK FACTORS
ITEM 1B. UNRESOLVED SEC 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, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
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, AND DIRECTOR

INDEPENDENCE

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

SIGNATURES

EXHIBIT INDEX

4
4
10
23
24
24
24

25

25
27

28
40
42

74
74
75

76
76
77

77

77
77

78
78

80

82

“SAFE HARBOR” CAUTIONARY STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION
REFORM ACT OF 1995:

The statements contained in this Form 10-K that are guidance or which are not historical facts (such as
statements in the future tense and statements including believe, expect, intend, plan, anticipate, goal, target and
similar terms and concepts), including all discussions of periods which are not yet completed, are forward-
looking statements that involve risks and uncertainties. These risks and uncertainties include, but are not limited
to: the risk of customer delays, changes, cancellations or forecast inaccuracies in both ongoing and new
programs; the lack of visibility of future orders, particularly in view of changing economic conditions; the
economic performance of the industries, sectors and customers we serve; the effects of the volume of revenue
from certain sectors or programs on our margins in particular periods; our ability to secure new customers,
maintain our current customer base and deliver product on a timely basis; the particular risks relative to new or
recent customers, programs or services, which risks include customer and other delays, start-up costs, potential
inability to execute, the establishment of appropriate terms of agreements, and the lack of a track record of order
volume and timing; the risks of concentration of work for certain customers; the effect of start-up costs of new
programs and facilities; possible unexpected costs and operating disruption in transitioning programs, including
as a result of a facility closure; the risk that new program wins and/or customer demand may not result in the
expected revenue or profitability; the fact that customer orders may not lead to long-term relationships; our
ability to manage successfully and execute a complex business model characterized by high product mix, low
volumes and demanding quality, regulatory, and other requirements; the ability to realize anticipated savings
from restructuring or similar actions, as well as the adequacy of related charges as compared to actual expenses;
increasing regulatory and compliance requirements; the potential effects of regional results on our taxes and
ability to use deferred tax assets and net operating losses; risks related to information technology systems and
data security; the effects of shortages and delays in obtaining components as a result of economic cycles or
natural disasters; the risks associated with excess and obsolete inventory, including the risk that inventory
purchased on behalf of our customers may not be consumed or otherwise paid for by the customer, resulting in an
inventory write-off; the weakness of areas of the global economy; the effect of changes in the pricing and
margins of products; raw materials and component cost fluctuations; the potential effect of fluctuations in the
value of the currencies in which we transact business; the potential effect of world or local events or other events
outside our control (such as changes in energy prices, terrorism and weather events); the impact of increased
competition; and other risks detailed below in “Risk Factors,” otherwise herein, and in our other Securities and
Exchange Commission filings.

In addition, see Risk Factors in Part I, Item 1A and Management’s Discussion and Analysis of Financial
Condition and Results of Operations in Part II, Item 7 for a further discussion of some of the factors that could
affect future results.

* * *

3

ITEM 1.

BUSINESS

Overview

PART I

Plexus Corp. and its subsidiaries (together “Plexus,” the “Company,” or “we”) participate in the Electronic
Manufacturing Services (“EMS”) industry. We deliver optimized solutions to our customers through our unique
Product Realization Value Stream. Our customer-focused solutions model seamlessly integrates innovative
product conceptualization, design, commercialization, manufacturing, fulfillment and sustaining solutions.
Plexus delivers comprehensive end-to-end solutions for customers in the Americas (“AMER”), Europe, Middle
East, and Africa (“EMEA”) and Asia-Pacific (“APAC”) regions.

We provide award-winning customer service to more than 140 branded product companies in the Networking/
Communications, Healthcare/Life Sciences, Industrial/Commercial and Defense/Security/Aerospace market
sectors. Our customers have stringent quality, reliability and regulatory requirements, requiring exceptional
production and supply chain agility. Their products require complex configuration management, direct order
logistics management and Aftermarket Services. To service the
fulfillment
complexities that our customers’ products demand, we utilize our Product Realization Value Stream, addressing
our customers’ products from concept to end of life.

(to end customers), global

Plexus is passionate about being the leading EMS company in the world at servicing mid-to-low volume, higher
complexity customer programs, characterized by unique flexibility,
technology, quality and regulatory
requirements. To support and deliver on our strategy, we align our operations, processes, workforce and financial
metrics to create:

• A high performance, accountable organization with a highly skilled and talented workforce that is

deeply passionate about driving growth through customer service excellence;

• A customer driven, disciplined deployment of strategic growth through sector based go-to-market

strategies; and

• Execution driven by a collaborative, customer centric culture that continuously evaluates and optimizes

our business processes to support our shareholder return goals.

We operate flexible manufacturing facilities and design our processes to accommodate customers with multiple
product lines and configurations. One or more uniquely configured “focus factories,” supported by a tailored
supply chain and logistics solution, are designed to meet the flexibility and responsiveness needed to support
customer fulfillment requirements.

We accomplish our go-to-market strategy through the four market sectors we serve. Each sector has a market
sector vice president and a business development and customer management leader who together oversee and
provide leadership to teams that include business development directors, customer directors or managers, supply
chain and manufacturing subject matter experts, and market sector analysts. These teams maintain expertise
related to each market sector and execute sector strategies aligned to that market’s unique quality and regulatory
requirements.

Our market sector teams help define Plexus’ strategy for growth with a particular focus on expanding the value-
added solutions we offer customers. Our sales and marketing efforts focus on targeting new customers and
expanding business with existing customers. We believe our ability to provide a full range of product realization
services gives us a business advantage.

Our financial model aligns with our business strategy. Our primary focus is to earn a return on invested capital
(“ROIC”) 500 basis points over our weighted average cost of capital (“WACC”), which we refer to as
“Economic Return.” We review our internal calculation of WACC annually; at the end of fiscal 2015 our

4

estimated WACC was 11.0 percent. We believe economic profit is a fundamental driver of shareholder value.
Plexus measures economic profit by taking the difference between ROIC and WACC and multiplying it by
invested capital. By exercising discipline to generate a ROIC in excess of our WACC, with focus on economic
profit, our goal is to ensure that we create value for our shareholders.

Relative to our competition, overriding factors such as lower manufacturing volumes, flexibility and fulfillment
requirements, and complex regulatory requirements typically result in higher investments in inventory and selling
and administrative costs. The cost variance from our competitors is especially evident relative to those that
provide EMS services for high-volume, less complex products, with less stringent requirements (e.g., consumer
electronics).

Plexus serves a diverse customer landscape that includes industry-leading, branded product companies, along
with many other technology pioneering start-ups or emerging companies that may or may not maintain
manufacturing capabilities. As a result of serving market sectors that rely on advanced electronics technology,
our business is influenced by critical technological trends such as the level and rate of development of wired and
wireless telecommunications infrastructure, communications data and data bandwidth growth, and internet usage.
In addition to prime technology advancements, key government and policy trends impact our business, including
the U.S. Food and Drug Administration’s (“FDA”) approval of new medical devices, defense procurement
practices, and other government and regulatory processes. Plexus may benefit from increasing outsourcing
trends. We provide most of our optimized solutions on a turnkey basis, and we procure some or all materials
required for product assembly. We provide select services on a consignment basis, meaning the customer
supplies the necessary materials and Plexus provides the labor and other services required for product assembly.
In addition to manufacturing, turnkey service requires material procurement and warehousing and involves
greater resource investments than consignment services. Other than certain test equipment and software used for
internal operations, we do not design or manufacture our own proprietary products.

Established in 1979 as a Wisconsin corporation, we have approximately 14,000 full-time employees, including
approximately 2,900 engineers and technologists dedicated to product development and design, test equipment
development and design, and manufacturing process development and control, all of whom operate from 24
active facilities, totaling approximately 3.4 million square feet. Plexus’ facilities are strategically located to
support the global supply chain, engineering, manufacturing, and Aftermarket Service needs of customers in our
targeted market sectors.

Plexus maintains a website at www.plexus.com. As soon as is reasonably practical, and after we electronically
file or furnish all reports to the Securities and Exchange Commission (“SEC”), we provide online copies, free of
charge. These reports include: Proxy Statements, Annual Reports on Form 10-K, Quarterly Reports on
Form 10-Q, Current Reports on Form 8-K, Specialized Disclosure Reports on Form SD, and amendments to
those reports. You may also access these reports at the SEC’s website at www.sec.gov. Our Code of Conduct and
Business Ethics is also posted on our website. You may access these SEC reports and the Code of Conduct and
Business Ethics by following the links under “Investor Relations” at our website.

Solutions

As an integrated, fully accountable partner, we deliver optimized product realization solutions that carry our
customers’ products from concept to end of life. Tailoring our Product Realization Value Stream to each product
and program, Plexus provides unique solutions designed to meet the needs of each of our customers. As our
partnerships grow and mature, we aim to engage our customers in full utilization of our Product Realization
Value Stream.

| Conceptualize | Design | Commercialize | Manufacture | Fulfill | Sustain |

Conceptualize. During the product development and conceptualization phases, new product ideas are created and
evaluated with both the customer’s and Plexus’ engineering teams. We closely collaborate with our customers to

5

capture their new product vision and clarify requirements. Our industrial design team attempts to analyze a
product through the end user’s eyes focusing on ergonomics, use case research, user interface, aesthetics and
evaluation mockups. Upon completion of concept evaluations, the Plexus team prototypes what it believes to be
the most promising designs, working concurrently with engineering, manufacturing and supply chain teams.
Future phases ensure design intent is maintained, while realizing the final product solution.

Design. Plexus invests in the latest technology, design and automation tools to provide comprehensive design and
value- engineering solutions. We engage with our customers in a variety of ways – from supporting a short-term
expansion of their engineering design capabilities to collaborating on complex, turn-key product designs. Our
disciplined approach and structure enables significant project schedule flexibility via work-sharing across our
organization. Product design includes, but is not limited to, the following solutions:

•

•

•

Program management

Feasibility studies

Specification development for product features and functionality

• Circuit design (digital, microprocessor, power, analog, radio frequency (“RF”), optical and micro-

electronics)

•

•

Field programmable gate array design (“FPGA”)

Printed circuit board layout

• Embedded software design

• Mechanical design (thermal analysis, fluidics, robotics, plastic components, sheet metal enclosures and

castings)

• Test specifications development and product verification testing

• Automated (robotic) production solutions and complex automation design

Commercialize. The commercialize phase carries significant influence with respect to converting ideas into
viable products. Commercialization starts early in the design phase and extends through manufacturing
transition, often in tandem with Design for Excellence (“DFX”). Our DFX solutions encompass a wide collection
of specific design solutions including design for test, design for manufacturability/assembly and design for
transition from engineering to manufacturing.
fabrication. The goal of DFX is to facilitate an efficient
Commercialization also includes prototyping, new product
test
development and transition management. We believe our commercialization solutions provide significant value
reducing change activity and providing customers with a robust and
by accelerating speed-to-market,
manufacturable product.

introduction, design for supply chain,

Manufacture. Plexus applies an optimized manufacturing approach, not a one-size-fits-all model. Our scalable
manufacturing solutions create flexibility for our customers through tailored supply chain solutions. Our focus-
factory model provides a dedicated team designed to drive success that places the customer at the center of
operations. Plexus exclusively focuses on mid-to-low volume, higher-complexity programs that range from
lower-level assemblies to finished electro-mechanical products. Our manufactured products typically fall into
one of the following categories in our assembly spectrum:

•

Printed circuit board assembly - a printed circuit board (“PCB”) populated with electronic components

• Basic assembly - a sub-assembly that includes PCBs and other components

•

includes more complex
System integration - a finished product or sub-system assembly that
components such as PCBs, basic assemblies, custom engineered components, displays, optics, metering
and measurement or thermal management

6

• Mechatronic integration - more complex system integration that combines electronic controls with
mechanical systems and processes such as motion control, robotics, drive systems, fluidics, hydraulics
or pneumatics

System and mechatronic integration products may run larger in size than other assemblies; the products range
from kiosks to finished healthcare devices and life sciences equipment to other complex electro-mechanical
assemblies. These products often combine other integrated solutions we provide and may require unique facility
configurations or supply chain solutions.

Fulfill. Plexus offers fulfillment and logistics solutions to our customers in the forms of Direct Order Fulfillment
(“DOF”), Build to Order (“BTO”) and Configure to Order (“CTO”). Plexus receives DOF orders from our
customers that provide the final specifications and configurations required by their end customers. Through BTO
and CTO, Plexus delivers the product directly to the end customer. The DOF process relies on Enterprise
Resource Planning (“ERP”) systems integrating the overall supply chain, from parts procurement through
manufacturing and logistics.

Sustain. Plexus sustains our customers’ products by providing a range of Aftermarket Services, including
complex repair, refurbishment and product support for products the Company manufactures. In addition, we also
provide customized solutions for products we did not manufacture.

Our Aftermarket Services offerings include:

• Screening

• Loaner program

• Part harvesting

• In/Out warranty repair

• Advanced exchange

• Part repair

• Upgrade

• Demo unit management

• Warranty redemption

• Refurbishment

• Decontamination

• Recycling

• Destruction

• Complaint handling

• Part sales

• Part fulfillment

• Part fulfillment with warranty redemption

Regulatory requirements. All Plexus manufacturing and engineering facilities are certified to a baseline Quality
Management System standard per ISO9001:2008. We have capabilities to assemble finished medical devices
meeting FDA Quality Systems Regulation requirements and similar regulatory requirements in other countries.
Our manufacturing and engineering facilities are certified to the most current revision of the ISO 9001 standard.
We have additional certifications and/or registrations held by certain facilities in the following regions:

Medical Standard ISO 13485:2003
21 CFR Part 820 (FDA) (Finished Medical)
CFDA (Finished Medical)
JMGP accreditation
ANVISA accreditation
Environmental Standard ISO - 14001
Environmental Standard OSHAS 18001
ANSI/ESD (Electrostatic Discharge Control Program) S20.20
Telecommunications Standard TL 9000
ITAR (International Traffic and Arms Regulation) self-declaration
Aerospace Standard AS9100
NADCAP certification
FAR 145 certification (FAA repair station)
ATEX/IECEx certification

7

AMER APAC EMEA

X
X

X
X
X

X
X
X
X
X
X

X
X
X
X

X
X
X
X

X
X

X

X
X

X

X
X

X
X

X

Customers and Market Sectors Served

Our customers range from large multinational companies to smaller emerging technology companies. During
fiscal 2015, we served approximately 140 customers. We offer advanced design and production capabilities,
allowing our customers to concentrate on their core competencies. Plexus helps accelerate our customers’ time to
market, reduce their investment in engineering and manufacturing capacity, and optimize total product cost.

ARRIS Group, Inc. (“Arris”) and General Electric Company (“GE”) accounted for 12.6 percent and 10.6 percent,
respectively, of our net sales during fiscal 2015 and 12.5 percent and 11.2 percent, respectively, of our net sales
in fiscal 2014. Juniper Networks, Inc. (“Juniper”), which accounted for 12.8 percent of our net sales in fiscal
2013, disengaged from Plexus in fiscal 2013. Other than Arris and GE in fiscal 2015 and 2014, and Juniper in
fiscal 2013, no other customer accounted for 10.0 percent or more of our net sales in those fiscal years.

Net sales to our largest customers may vary from time to time depending on the size and timing of customer
program commencements, terminations, delays, modifications and transitions. We generally do not obtain firm,
long-term purchase commitments from our customers. Customers’ forecasts can and do change as a result of
changes in their end-market demand and other factors, including global economic conditions. Any material
change in forecasts or orders from these major accounts, or other customers, could materially affect our results of
operations. The loss of any major customer could have a significant negative impact on our financial results. In
addition, as our percentage of net sales to customers in a specific sector becomes larger relative to other sectors,
we will become increasingly dependent upon the economic and business conditions affecting that sector. Many
of our large customers contract with us through independent multiple divisions, subsidiaries, production facilities
or locations. We believe that in most cases our sales to any one such division, subsidiary, facility or location are
independent of sales to others.

The distribution of our net sales by market sectors for fiscal 2015, 2014 and 2013 is shown in the following table:

Industry

2015

2014

2013

Networking/Communications
Healthcare/Life Sciences
Industrial/Commercial
Defense/Security/Aerospace

32%
28%
26%
14%

32%
29%
25%
14%

37%
25%
25%
13%

Total net sales

100% 100% 100%

Although our current business development focus is based on our targeted market sectors, we evaluate our
financial performance and allocate our resources geographically (see Note 11 in Notes to Consolidated Financial
Statements regarding our reportable segments). Plexus offers a uniform array of services for customers in each
market sector and we do not dedicate operational equipment, personnel, facilities or other resources to particular
market sectors, nor internally track our costs and resources per market sector.

Materials and Suppliers

We typically purchase raw materials, including PCBs and electronic components, from manufacturers and
distributors. Under certain circumstances, we will purchase components from brokers, customers or competitors.
The key electronic components we purchase include: specialized components (such as application-specific
interconnect products, electronic subassemblies (including memory
integrated circuits), semiconductors,
modules, power supply modules and cable and wire harnesses), inductors, resistors and capacitors.

We also purchase non-electronic, typically custom engineered, components used in manufacturing and higher-
fabrications, aluminum
level assembly. These components include molded/formed plastics, sheet metal
extrusions, robotics, motors, vision sensors, motion/actuation, fluidics, displays, die castings and various other
hardware and fastener components. These components are sourced from both Plexus preferred suppliers and

8

customer directed suppliers. Components range from standard to highly customized and vary widely in terms of
market availability and price.

Component shortages and subsequent allocations by our suppliers are an inherent risk to the electronics industry,
and have particularly been an issue for us and the industry from time to time. We discuss the causes of these
shortages more fully in “Risk Factors” in Part I, Item 1A herein. We actively manage our business to minimize
our exposure to material and component shortages.

The Plexus global supply chain management organization attempts to create strong supplier alliances and ensure
a steady flow of components and products at competitive prices. We strive to achieve these goals through
advanced supply chain solutions we develop in partnership with our customers, risk management tools and global
expediting processes. Plexus can often influence the selection of new product components throughout the design
phase of the Product Realization Value Stream.

Competition

Plexus operates in a highly competitive market, with a goal to be best-in-class at meeting the unique needs of our
customers. We provide flexible solutions, timely order fulfillment, and strong engineering, testing and production
capabilities. A number of competitors may provide electronics manufacturing and engineering services similar to
Plexus. Others may be more established in certain industry sectors, or have greater financial, manufacturing or
marketing resources. Smaller competitors compete mainly in specific sectors and within limited geographic
areas. Plexus occasionally competes with in-house capabilities of current and potential customers. Plexus
maintains awareness and knowledge of our competitors’ capabilities, in order to remain highly competitive
within the broad scope of the EMS industry.

Intellectual Property

We own various service marks that we use in our business, which are registered in the trademark offices of the
United States and other countries. Although we own certain patents, they are not currently material to our
business. We do not have any material copyrights.

Information Technology

Our integrated ERP, warehouse management and shop floor control systems serve all of our manufacturing sites,
providing a core set of consistent, global business applications. This consistency augments our other management
information systems, allowing us to standardize our ability to translate data from multiple production facilities
into operational and financial information. The related software licenses are of a general commercial character on
terms customary for these types of agreements.

Environmental Compliance

We are subject to a variety of environmental regulations relating to air emission standards and the use, storage,
discharge and disposal of hazardous chemicals used during our manufacturing process. We believe that we are in
compliance with all federal, state and foreign environmental
laws and do not anticipate any significant
expenditures in maintaining our compliance; however, there can be no assurance that violations will not occur
which could have a material adverse effect on our financial results.

Social Responsibility

Plexus is committed to social responsibility throughout our global business operations. Our commitment to social
responsibility extends to human rights, labor practices, the environment, worker health and safety, fair operating
practices and the Company’s social impact in the communities where we operate. We consider a variety of

9

standards for socially responsible practices, including local and federal legal requirements in the jurisdictions
where we operate, the International Organization for Standardization’s “Guidance on Social Responsibility” (ISO
26000) and standards established by the Electronics Industry Citizenship Coalition (the “EICC”). Plexus is an
applicant member of the EICC. Information about our corporate social responsibility efforts is available on our
website at www.plexus.com/about-us/social-responsibility.

Employees

We make a considerable effort to maintain a highly-qualified and engaged work force. We have been able to
offer enhanced career opportunities to many of our employees. Our human resources department identifies career
objectives and monitors specific skill development opportunities for employees with potential for advancement.
We invest at all levels of the organization to ensure that employees are well trained and qualified for their
positions. We have a policy of involvement and consultation with employees at every facility and strive for
continuous improvement at all levels.

We employ approximately 14,000 full-time employees. Given the quick response times required by our
customers, we seek to maintain flexibility to scale our operations as necessary to maximize efficiency. To do so
we use skilled temporary labor in addition to our full-time employees. Approximately 251 and 494 of our
employees are covered by union agreements in the United Kingdom and Mexico, respectively. These union
agreements are typically renewed at the beginning of each year, although in a few cases these agreements may
last two or more years. Our employees in China, Germany, Malaysia, Romania and the United States are not
covered by union agreements. We have no history of labor disputes at any of our facilities, and we believe that
our employee relationships are generally positive and stable.

ITEM 1A. RISK FACTORS

Our net sales and operating results may vary significantly from period to period.

Our quarterly and annual results may vary significantly depending on various factors, many of which are beyond
our control. These factors include:

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the volume and timing of customer demand relative to our capacity

the life-cycle of our customers’ technology-dependent products

customers’ operating results and business conditions

changes in our, and our customers’, sales mix, as well as the volatility of these changes

variations in sales and margins among geographic regions and market sectors

varying gross margins among different programs, including as a result of pricing concessions to certain
customers

failure of our customers to pay amounts due to us

claims alleging defective goods or services or breaches of contractual requirements

challenges associated with the engagement of new customers or additional programs or services for
existing customers

customer disengagements

the timing of our expenditures in anticipation of future orders

our effectiveness in planning and executing production, and managing inventory, fixed assets and
manufacturing processes

changes in the cost and availability of labor and components

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•

•

changes in exchange rates, and

changes in U.S. and global economic and political conditions and world events.

The majority of our net sales come from a relatively small number of customers and a limited number of
market sectors; if we lose any of these customers or if there are challenges in those market sectors, our net
sales and operating results could decline significantly.

Net sales to our ten largest customers have represented a majority of our net sales in recent periods. Our ten
largest customers accounted for 56.1 percent of our net sales for the fiscal year ended October 3, 2015, and 55.1
percent of our net sales for the fiscal year ended September 27, 2014. During fiscal years ended October 3, 2015
and September 27, 2014, there were two customers that each represented 10.0 percent or more of our net sales.

Our principal customers may vary from period to period, and our principal customers may not continue to
purchase services from us at current levels, or at all, particularly given the volatile nature of certain programs.
We have experienced from time to time, and in the future may experience, significant customer or program
disengagements and the end of life of significant programs. Especially given our discrete number of customers,
significant reductions in net sales to any of our major customers, the loss of major customers or our failure to
make appropriate choices as to the customers we serve could seriously harm our business and results of
operations.

In addition, we focus our sales efforts on customers in only a few market sectors. Each of these sectors is subject
to macroeconomic conditions as well as trends and conditions that are sector specific. Economic, business and/or
regulatory conditions that affect
the sector, or the Company’s failure to choose appropriate sectors, can
particularly impact Plexus. For instance, sales in the Healthcare/Life Sciences sector are substantially affected by
trends in the healthcare industry, such as government reimbursement rates and uncertainties relating to the
financial health of, and pending changes in the structure of, the U.S. health care sector generally, including as a
result of the Patient Protection and Affordable Care Act (the “Affordable Care Act”).

Further, potential reductions in U.S. government agency spending, including those due to budget cuts or other
political developments or issues, could affect opportunities in all of our market sectors. Any weakness in our
customers’ end markets could affect our business and results of operations.

We rely on timely and regular payments from our customers; therefore, deterioration in the payment experience
with or credit quality of our major customers could have a material adverse effect on our financial condition and
results of operations. The inability or failure of our major customers to meet their obligations to us or their
bankruptcy, insolvency or liquidation may adversely affect our business, financial condition and results of
operations.

From time to time, our customers, including formerly significant customers, have been affected by merger and
acquisition activity. While these transactions may present Plexus with opportunities to capture new business, they
also create the risk that these customers will partially or completely disengage as a result of transitioning such
business to Plexus’ competitors or deciding to manufacture the products internally.

Plexus is a multinational corporation and operating in multiple countries exposes us to increased risks,
including adverse local developments and currency risks.

We have operations in many countries; operations outside of the U.S. in the aggregate represent a majority of our
net sales and operating income, with a particular concentration in Malaysia. In addition, a significant amount of
our cash balances are currently held outside of the U.S. We also purchase a significant number of components

11

manufactured in various countries. These international aspects of our operations, which are likely to increase
over time, subject us to the following risks that could materially impact our operations and operating results:

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economic, political or civil instability

transportation delays or interruptions

exchange rate fluctuations

potential disruptions or restrictions on our ability to access cash amounts held outside of the U.S.

changes in labor markets, such as government-mandated wage increases, limitations on immigration or
restrictions on the use of migrant workers, and difficulties in appropriately staffing and managing
personnel in diverse cultures

compliance with laws, such as the U.S. Foreign Corrupt Practices Act and the U.K. Bribery Act,
applicable to companies with global operations

changes in the taxation of earnings both in the U.S. and in other countries

reputational risks related to, among other factors, varying standards and practices among countries

changes in duty rates

significant natural disasters and other events or factors impacting local infrastructure

the effects of other international political developments, such as embargoes, sanctions, boycotts, energy
disruptions and trade agreements (including the proposed Trans-Pacific Partnership), and

regulatory requirements and potential changes to those requirements.

We continue to monitor our risk associated with foreign currency translation and have entered into limited
forward contracts to address this risk. As our international operations expand, our failure to appropriately address
foreign currency transactions and/or the currency exposures associated with assets and liabilities denominated in
non-functional currencies could adversely affect our consolidated financial condition, results of operations and
cash flows. In addition, developments affecting particular countries can adversely affect our ability to access cash
or other assets held in such countries.

A significant portion of our operations currently occurs in, and cash balances are held in, the APAC region,
particularly in Malaysia. The concentration of our operations, assets and profitability in that region exposes us to
adverse developments, economic, political or otherwise, in those countries.

Changes in policies by the U.S. or other governments could negatively affect our operating results due to changes
in duties, tariffs or taxes, or limitations on currency or fund transfers, as well as government-imposed restrictions
on producing certain products in, or shipping them to, specific countries. For example, our facility in Mexico
operates under the Mexican Maquiladora (“IMMEX”) program. This program provides for reduced tariffs and
eased import regulations; we could be adversely affected by changes in the IMMEX program or our failure to
comply with its requirements. Compliance with trade agreements could, among other effects, lead to increased
personnel expenses or subject Plexus to additional requirements related to environmental, health and safety
matters.

Our customers do not make long-term commitments and may cancel or change their production
requirements.

Companies in our industry must respond quickly to the requirements of their customers in both design and
production. We generally do not obtain firm, long-term purchase commitments from our customers, and
frequently do not have visibility as to their future demand. Customers also cancel requirements, change
engineering or other service requirements, change production quantities, delay production or revise their

12

forecasts for a number of reasons that are beyond our control. The success of our customers’ products in the
market and the strength of the markets themselves affect our business. Cancellations, reductions or delays by a
significant customer, or by a group of customers, could seriously harm our operating results and negatively affect
our working capital levels. Such cancellations, reductions or delays have occurred from time to time and may
continue to occur in the future.

In addition, we make significant decisions based on our estimates of customers’ requirements, including
determining the levels of business that we will seek and accept, production schedules, component procurement
commitments, working capital management, facility and capacity requirements, personnel needs and other
resource requirements. The short-term nature of our customers’ commitments and the possibility of rapid
changes in demand for their products reduce our ability to accurately estimate their future requirements. Since
many of our operating expenses are fixed, a reduction in customer demand can harm our operating results.
Moreover, since our margins vary across customers and specific programs, a reduction in demand with higher
margin customers or programs will have a more significant adverse effect on our operating results.

Rapid increases in customer requirements may stress personnel and other capacity resources. We may not have
sufficient resources at any given time to meet all of our customers’ demands or to meet the requirements of a
specific program, which could result in a loss of business from such customers.

We have a complex business model, and our failure to properly manage or execute on that model, as well
as maintain our engineering, technological and manufacturing process expertise, could adversely affect
our operations, financial results and reputation.

Our business model focuses on products and services in the mid-to-lower-volume, higher-complexity segment of
our industry. Our customers’ products typically require significant production and supply-chain flexibility, in
some cases necessitating optimized demand-pull-based manufacturing and supply chain solutions across an
integrated global platform. The products we manufacture are also typically complex, heavily regulated, and
require complicated configuration management and direct order fulfillment capabilities to global end customers.
In addition, we offer Aftermarket Services to our customers, which add to the complexity of our business model.
Our business model requires a great degree of attention, flexibility and resources. These resources include
working capital, management and technical personnel, and the development and maintenance of systems and
procedures to manage diverse manufacturing, regulatory and service requirements for multiple programs of
varying sizes simultaneously, including in multiple locations and geographies. We also depend on securing and
ramping new customers and programs and on transitioning production for new customers and programs, which
creates added complexities related to managing the start-up risks of such projects, especially for companies that
did not previously outsource such activities.

The complexity of our service model, which encompasses a broad range of services including conceptualization,
design, commercialization, manufacturing, fulfillment and Aftermarket Services, often results in complex and
challenging contractual obligations as well as commitments from us to our customers. If we fail to meet those
obligations, it could result in claims against us and/or adversely affect our reputation and our ability to obtain
future business, as well as impair our ability to enforce our rights (including those related to payment) under
those contracts.

If we fail to effectively manage or execute our business model, we may lose customer confidence and our
reputation may suffer. The Company’s reputation is the foundation of our relationships with key stakeholders. If
we are unable to effectively manage real or perceived issues, which could negatively impact sentiments toward
the Company, our ability to maintain or expand business opportunities could be impaired and our financial
results could suffer on a going-forward basis.

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Many of the markets for our manufacturing, engineering, aftermarket and other services are characterized by
rapidly changing technology and evolving process developments. Our internal processes are also subject to these
factors. The continued success of our business will depend upon our continued ability to:

•

retain our qualified engineering and technical personnel, and attract additional qualified personnel

• maintain and enhance our technological capabilities

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choose and maintain appropriate technological and service capabilities

successfully manage the implementation and execution of information systems

develop and market services that meet changing customer needs

effectively execute our services and perform to our customers’ expectations, and

successfully anticipate, or respond to, technological changes on a cost-effective and timely basis.

Although we believe that our operations utilize the assembly and testing technologies, equipment and processes
that are currently required by our customers, we cannot be certain that we will maintain or develop the
capabilities required by our customers in the future. The emergence of new technologies, industry standards or
customer requirements may render our equipment,
inventory or processes obsolete or noncompetitive. In
addition, we may have to acquire new design, assembly and testing technologies and equipment to remain
competitive. The acquisition and implementation of new technologies and equipment, and the offering of new or
additional services to our customers, may require significant expense or capital investment that could reduce our
liquidity and negatively affect our operating results. Our failure to anticipate and adapt to our customers’
changing technological needs and requirements, or to perform to their expectations or standards, as well as our
need to maintain our personnel and other resources during times of fluctuating demand, could have an adverse
effect on our business.

Our products and services are for end markets that require technologically advanced products.

Factors affecting the technology-dependent end markets that we serve could adversely affect our customers and,
as a result, Plexus. These factors include:

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the inability of our customers to adapt
standards that can result in short product life-cycles

to rapidly changing technologies and evolving industry

the inability of our customers to develop and market their products, some of which are new and
untested

the potential that our customers’ products may become obsolete, and

the potential failure of our customers’ products to gain widespread commercial acceptance.

Even if our customers successfully respond to these market challenges,
including any
consequential changes we must make in our business relationships with them and our production for, or services
offered to, them, can affect our production cycles, inventory management and results of operations.

their responses,

Challenges associated with the engagement of new customers or programs, or the provision of new
services, could affect our operations and financial results.

Our engagement with new customers, as well as the addition of new programs or types of services (including
expansion of our Aftermarket Services capabilities) for existing customers, can present challenges in addition to
opportunities. We must initially determine whether it would be in our interests from a business perspective to
pursue a particular potential new customer, program or service, including evaluating the customer’s, program’s
and/or service’s fit with our value proposition as well as its potential end-market success. If we make the

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decision to proceed, we need to ensure that our terms of engagement, including our pricing and other contractual
provisions, appropriately reflect the anticipated costs, risks and rewards. The failure to make prudent engagement
decisions and/or to establish appropriate terms of engagement could adversely affect our profitability and
margins.

Also, there are inherent risks associated with the timing and ultimate realization of a new program’s or service’s
anticipated revenue; these factors can sometimes extend for a significant period. Some new programs or services
require us to devote significant capital and personnel resources to new technologies and competencies. We may
not meet customer expectations, which could damage our relationships with the affected customers and impact
our ability to deliver conforming product or services on a timely basis. Further, the success of new programs may
depend heavily on factors such as product reliability, market acceptance, regulatory approvals and/or economic
conditions. The failure of a new program to meet expectations on these factors, or our inability to effectively
execute on a new program’s or service’s requirements, could result in lost financial opportunities and adversely
affect our results of operations.

Start-up costs and inefficiencies related to new, recent or transferred programs can adversely affect our
operating results.

In recent years, our revenue growth has been more heavily dependent on ramping new program wins as
compared to end-market growth of mature programs. The management of resources in connection with the
establishment of new or recent programs and customer relationships, as well as program transfers between
facilities and geographies, and the need to estimate required resources in advance of production can adversely
affect our gross and operating margins and level of working capital. These factors are particularly evident in the
early stages of the life-cycle of new programs, which typically lack a track record of order volume and timing as
well as production efficiencies in the early stages. We typically manage multiple new programs at any given
time; therefore, we are exposed to these factors in varying magnitudes. In addition, if any of these programs or
customer relationships were terminated, our operating results could be negatively impacted, particularly in the
short-term.

The effects of these start-up costs and inefficiencies can also occur when we transfer programs between locations
and geographies. We conduct these transfers on a regular basis to meet customer needs, seek long-term
efficiencies or respond to market conditions, as well as due to facility openings and closures. Although we try to
minimize the potential
losses arising from transitioning customer programs between our facilities and
geographies, there are inherent risks that such transitions can result in operational inefficiencies and the
disruption of programs and customer relationships.

While these factors tend to affect new, recent or transferred programs, they can also impact more mature, or
maturing programs and customer relationships, especially programs where end-market demand can be somewhat
volatile.

Failure to manage periods of growth or contraction may seriously harm our business.

Our industry frequently sees periods of expansion and contraction to adjust to customers’ needs and market
demands. We regularly contend with these issues and must carefully manage our business to meet customer and
market requirements. If we fail to manage these growth and contraction decisions effectively, as well as fail to
realize the anticipated benefits of these decisions, we can find ourselves with either excess or insufficient
resources and our business, as well as our profitability, may suffer.

Expansion and consolidation,
including the transfer of operations to larger facilities or acquisitions, can
inherently include additional costs and start-up inefficiencies. For example, in fiscal 2014, we opened new
manufacturing facilities in the U.S. (Neenah, Wisconsin) and in Mexico (Guadalajara) to replace existing
facilities in those countries. In early fiscal 2016, we announced the planned closure of our Fremont, California

15

facility. If we are unable to effectively manage our recent or future expansions and consolidations, or related
anticipated net sales are not realized, our operating results could be adversely affected. In addition, we may
expand our operations in new geographical areas where currently we do not operate. Other risks of current or
future expansions, acquisitions and consolidations include:

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the inability to successfully integrate additional facilities or incremental capacity and to realize
anticipated efficiencies, economies of scale or other value

challenges faced as a result of transitioning programs

incurrence of restructuring or other charges that may be insufficient or may not have their intended
effects

additional fixed or other costs, or selling, general and administrative (“SG&A”) expenses, which may
not be fully absorbed by new business

a reduction of our return on invested capital, including as a result of excess inventory or excess
capacity at new facilities, as well as the increased costs associated with opening new facilities

difficulties in the timing of expansions, including delays in the implementation of construction and
manufacturing plans

diversion of management’s attention from other business areas during the planning and implementation
of expansions

strain placed on our operational, financial and other systems and resources, and

inability to locate sufficient customers, employees or management talent to support the expansion.

Periods of contraction or reduced net sales, or other factors affecting particular sites, create other challenges. We
must determine whether facilities remain viable, whether staffing levels need to be reduced, and how to respond
to changing levels of customer demand. While maintaining excess capacity or higher levels of employment entail
short-term costs, reductions in capacity and/or employment could impair our ability to respond to new
opportunities and programs, market improvements or to maintain customer relationships. Our decisions to reduce
costs and capacity can affect our short-term and long-term results. When we make decisions to reduce capacity or
to close facilities, we frequently incur restructuring charges, as we did in fiscal 2015 and fiscal 2014 in
connection with the replacement of facilities in the U.S. and Mexico.

In addition, to meet our customers’ needs, particularly when the production requirements of certain products are
site-specific, or to achieve increased efficiencies, we sometimes require additional capacity in one location while
reducing capacity in another. Since customers’ needs and market conditions can vary and change rapidly, we
may find ourselves in a situation where we simultaneously experience the effects of contraction in one location
and expansion in another location. We may also encounter situations where our lack of a physical presence in
certain locations may limit or foreclose opportunities.

Changes in tax laws, potential tax disputes, negative or unforeseen tax consequences and/or further
developments affecting our deferred tax assets could adversely affect our results.

Given the scope of our international operations and our international tax arrangements, proposed and potential
changes to the manner in which U.S.-based multinational companies are taxed in the U.S. could have a material
impact on our operating results and competitiveness. In addition, other recently adopted or potential changes to
tax laws in jurisdictions outside of the U.S. in which we operate could also affect our results.

The Company has been granted tax holidays (including for its Malaysian subsidiary) and is eligible for various
tax credits and rebates (domestically and internationally), which are generally subject to certain conditions and

16

other requirements. While we expect to comply with such conditions and requirements, we would experience
adverse tax consequences, or may not be able to receive the related benefits, if we do not effectively comply.

The Company reviews the probability of the realization of our net deferred tax assets each period based on
forecasts of taxable income by jurisdiction. This review uses historical results, projected future operating results
based upon approved business plans, eligible carryforward periods, tax planning opportunities and other relevant
considerations. Adverse changes in the profitability and financial outlook in each of our jurisdictions may require
the creation of an additional valuation allowance to reduce our net deferred tax assets. Such changes could result
in material non-cash expenses in the period in which the changes are made.

implementation or execution of
An inability to successfully manage the procurement, development,
information systems, or to adequately maintain these systems and their security, as well as to protect data
and other confidential information, may adversely affect our business and reputation.

As a global company with a complex business model, we are heavily dependent on our information systems to
support our customers’ requirements and to successfully manage our business. Any inability to successfully
manage the procurement, development, implementation, execution or maintenance of our information systems,
including matters related to system and data security, privacy, reliability, compliance, performance and access, as
well as any inability of these systems to fulfill their intended purpose within our business, could have an adverse
effect on our business.

In the ordinary course of business, we collect and store sensitive data and information, including our proprietary
and regulated business information and that of our customers, suppliers and business partners, as well as
personally identifiable information about our employees. Our information systems, like those of other companies,
are susceptible to malicious damage, intrusions and outages due to, among other events, viruses, industrial
espionage (internal or external), break-ins and similar events, other breaches of security, natural disasters, power
loss or telecommunications failures. We have taken steps to maintain adequate data security and address these
internal controls, network and data center
risks and uncertainties by implementing security technologies,
resiliency, redundancy and recovery processes, as well as by securing insurance; however, these measures may
be inadequate. Any operational failure or breach of security from increasingly sophisticated cyber threats could
lead to the loss or disclosure of our and/or our customers’ financial, product or other confidential information,
result in adverse regulatory actions and have a material adverse effect on our business and reputation.

We and our customers are subject to increasingly extensive government regulations and industry
standards; a failure to comply with current and future regulations and standards could have an adverse
effect on our business, customer relationships, reputation and profitability.

We are subject
to extensive government regulation and industry standards (as well as customer-specific
standards) relating to the products we design and manufacture as well as how we conduct our business, including
regulations and standards relating to labor and employment practices, workplace health and safety,
the
environment, sourcing and import/export practices, the market sectors we support and many other facets of our
operations. The regulatory climate in the U.S. and other countries has become increasingly complex and
fragmented, and regulatory activity has increased in recent periods. A failure to comply with such regulations or
standards could have an adverse effect on our reputation, customer relationships, profitability and results of
operations.

As a publicly-held company, we are subject to increasingly stringent laws, regulations and other requirements,
including those affecting, among other areas, our accounting, internal controls, corporate governance practices,
securities disclosures and reporting.

17

Governments worldwide are becoming increasingly aggressive in adopting and enforcing anti-corruption laws.
The U.S. Foreign Corrupt Practices Act and the U.K. Bribery Act, among others, apply to us and our operations.

The Affordable Care Act significantly affects the provision of both health care services and benefits in the U.S.
and is expected to impact our cost of providing our employees and retirees with health insurance and/or benefits,
and may also impact various other aspects of our business.

Our Healthcare/Life Sciences sector is subject to statutes and regulations covering the design, development,
testing, manufacturing and labeling of medical devices and the reporting of certain information regarding their
safety, including Food and Drug Administration (“FDA”) regulations and similar regulations in other countries.
Failure to comply with these regulations can result in, among other things, fines, injunctions, civil penalties,
criminal prosecution, recall or seizure of devices, or total or partial suspension of production.

We also design and manufacture products for customers in the defense, security and aerospace industries.
Companies that design and manufacture products for these industries face significant regulation by the
Department of Defense, Department of State, Department of Commerce, Federal Aviation Authority, and other
governmental agencies in the U.S. as well as in other countries, and also under the Federal Acquisition
Regulation.

In addition, whenever we pursue business in new sectors and subsectors, or our customers pursue new
technologies or markets, we need to navigate the potentially heavy regulatory and legislative burdens of such
sectors, technologies or markets.

The regulatory climate can itself affect the demand for our services. For example, government reimbursement
rates and other regulations, as well as the financial health of health care providers, and pending changes in how
health care in the U.S. is structured, including as a result of the Affordable Care Act, and how medical devices
are taxed, could affect the willingness and ability of end customers to purchase the products of our customers in
this sector as well as impact our margins.

Our customers are also required to comply with various government regulations, legal requirements and industry
standards, including many of the industry-specific regulations discussed above. Our customers’ failure to comply
could affect their businesses, which in turn would affect our sales to them. In addition, if our customers are
required by regulation or other requirements to make changes in their product lines, these changes could
significantly disrupt particular programs for these customers and create inefficiencies in our business.

A failure to comply with customer-driven policies and standards, and third party certification
requirements or standards, including those related to social responsibility, could adversely affect our
business and reputation.

In addition to government regulations and industry standards, our customers may require us to comply with their
own social responsibility, conflict minerals, quality or other business policies or standards, which may be more
restrictive than current laws and regulations as well as our pre-existing policies, before they commence, or
continue, doing business with us. Such policies or standards may be customer-driven, established by the industry
sectors in which we operate or imposed by third party organizations. The Company is an Applicant Member of
the EICC. The EICC is a non-profit coalition of electronics companies and establishes standards for its members
in responsible and ethical practices in the areas of labor, environmental compliance, employee health and safety,
ethics and social responsibility.

Our compliance with these policies, standards and third party certification requirements could be costly, and our
failure to comply could adversely affect our operations, customer relationships, reputation and profitability. In
addition, our adoption of these standards could adversely affect our cost competiveness, ability to provide

18

customers with required service levels and ability to attract and retain employees in jurisdictions where these
standards vary from prevailing local customs and practices.

There may be problems with the products we design or manufacture that could result in liability claims
against us, reduced demand for our services and damage to our reputation.

The products that we design and/or manufacture may be subject to liability or claims in the event that defects are
discovered or alleged. We design and manufacture products to our customers’ specifications, many of which are
highly complex, and produce products for industries, such as health care, defense and aerospace, that tend to have
higher risk profiles. Despite our quality control and quality assurance efforts, problems may occur, or may be
alleged, in the design and/or manufacturing of these products, including as a result of business continuity issues.
Whether or not we are responsible, problems in the products we manufacture, whether real or alleged, whether
caused by faulty customer specifications, the design or manufacturing processes or a component defect, may
result in delayed shipments to customers and/or reduced or canceled customer orders. If these problems were to
occur in large quantities or too frequently, our business reputation may also be tarnished. In addition, problems
may result in liability claims against us, whether or not we are responsible. These potential claims may include
damages for the recall of a product and/or injury to person or property.

Even if customers or third parties, such as component suppliers, are responsible for defects, they may not, or may
not be able to, assume responsibility for any such costs or required payments to us. While we seek to insure
against many of these risks, insurance coverage may be inadequate, not cost effective or unavailable, either in
general or for particular types of products or issues. We occasionally incur costs defending claims, and any such
disputes could adversely affect our business relationships.

Intellectual property infringement claims against our customers or us could harm our business.

Our design and manufacturing services and the products offered by our customers involve the creation and use of
intellectual property rights, which subject us and our customers to the risk of claims of intellectual property
infringement from third parties. In addition, our customers may require that we indemnify them against the risk
of intellectual property infringement. If any claims are brought against us or our customers for infringement,
whether or not these have merit, we could be required to expend significant resources in defense of those claims.
In the event of an infringement claim, we may be required to spend a significant amount of money to develop
non-infringing alternatives or obtain licenses. We may not be successful in developing alternatives or obtaining
licenses on reasonable terms or at all. Infringement by our customers could cause them to discontinue production
of some of their products, potentially with little or no notice, which may reduce our net sales to them and disrupt
our production.

Additionally, if third parties on whom we rely for products or services, such as component suppliers, are
responsible for an infringement (including through the supply of counterfeit parts), we may or may not be able to
hold them responsible and we may incur costs in defending claims or providing remedies. Such infringements
may also cause our customers to abruptly discontinue selling the impacted products, which would adversely
affect our net sales of those products, and could affect our customer relationships more broadly. Similarly, claims
affecting our suppliers could cause those suppliers to discontinue selling materials and components upon which
we rely.

Increased competition may result in reduced demand or reduced prices for our services.

Our industry is highly competitive. We compete against numerous providers with global operations, as well as
those which operate on only a local or regional basis. In addition, current and prospective customers continually
evaluate the merits of designing and manufacturing products internally and may choose to design and/or
manufacture products themselves rather than outsource such activities. Consolidations and other changes in our
industry may result in a changing competitive landscape.

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Some of our competitors have a larger geographic footprint than we do, in addition to substantially greater
managerial, manufacturing, engineering, technical, financial, systems, sales and marketing resources. These
competitors may:

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respond more quickly to new or emerging technologies

have greater name recognition, critical mass and geographic and market presence

be better able to take advantage of acquisition opportunities

adapt more quickly to changes in customer requirements

devote greater resources to the development, promotion and sale of their services, and

be better positioned to compete on price for their services.

We may operate at a cost disadvantage compared to our competitors that have lower internal cost structures or
greater direct buying power with component suppliers, distributors and raw material suppliers. Our
manufacturing processes are generally not subject to significant proprietary protection, and companies with
greater resources or a greater market presence may enter our market or become increasingly competitive.
Increased competition could result in significant price reductions, reduced sales and margins, or loss of market
share.

Our manufacturing services involve inventory risk.

Most of our contract manufacturing services are provided on a turnkey basis, under which we purchase some, or
all, of the required materials and components based on customer forecasts and/or orders. Suppliers may require
us to purchase materials and components in minimum order quantities that may exceed customer requirements. A
customer’s cancellation, delay or reduction of forecasts or orders can also result in excess inventory or additional
expense to us. Engineering changes by a customer may result in obsolete materials or components. While we
attempt to cancel, return or otherwise mitigate excess and obsolete inventory and require customers to reimburse
us for these items, we may not actually be reimbursed timely or be able to collect on these obligations. Excess or
obsolete inventory, or other failures to manage our working capital, could adversely affect our operating results,
including our return on invested capital.

In addition, we provide managed inventory programs for some of our customers under which we hold and
manage finished goods or work-in-process inventories. These managed inventory programs result in higher
inventory levels, further reduce our inventory turns and increase our financial exposure with such customers.
Even though our customers generally have contractual obligations to purchase such inventories from us, we
remain subject to the risk of enforcing those obligations.

We may experience raw material and component shortages and price fluctuations.

We generally do not have long-term supply agreements. We have experienced, and in the future may experience,
raw material and component shortages due to supplier capacity constraints or their failure to deliver. We also
could experience disruptions in energy supplies. Such constraints can also be caused by world events, such as
government policies, terrorism, armed conflict, natural disasters, economic recession and other localized events.
We rely on a limited number of suppliers for many of the raw materials and components used in the assembly
process and, in some cases, may be required to use suppliers that are the sole provider of a particular raw material
or component. Such suppliers may encounter quality problems, labor disputes, financial difficulties or business
continuity issues that could preclude them from delivering raw materials or components timely or at all. Supply
shortages and delays in deliveries of raw materials or components have in some cases resulted in delayed
production of assemblies, which have increased our inventory levels and adversely affected our operating results
in certain periods. An inability to obtain sufficient inventory on a timely basis could also harm relationships with
our customers.

20

In addition, raw materials and components that are delivered to us may not meet our specifications or other
quality criteria. Certain materials provided to us may be counterfeit or violate the intellectual property rights of
others. The need to obtain replacement materials and parts may negatively affect our manufacturing operations.
The inadvertent use of any such parts or products may also give rise to liability claims.

Raw material and component supply shortages and delays in deliveries can also result in increased pricing. While
many of our customers permit quarterly or other periodic adjustments to pricing based on changes in raw
material or component prices and other factors, we may bear the risk of price increases that occur between any
such repricing or, if such repricing is not permitted, during the balance of the term of the particular customer
contract. Conversely, as a result of our pricing strategies and practices, raw material and component price
reductions have contributed positively to our operating results in the past. Our inability to continue to benefit
from such reductions in the future could adversely affect our operating results.

We depend on our workforce, including certain key personnel, and the loss of key personnel or other
personnel disruptions, including the inability to hire and retain sufficient personnel, may harm our
business.

Our success depends in large part on the continued services of our key management and technical personnel, and
on our ability to attract, develop and retain qualified employees, particularly highly skilled design, process and
test engineers involved in the development of new products and processes and the manufacture of products. The
competition for these individuals is significant, and the loss of key employees could harm our business.

From time to time, there are changes and developments, such as retirements, promotions, transitions, disability,
death and other terminations of service that affect our executive officers and other key employees. Transitions or
other changes in responsibilities among officers and key employees, particularly those that are unplanned,
inherently can cause disruptions to our business and operations, which could have an effect on our results.

We also depend on good relationships with our workforce generally. Any disruption in our relationships with our
personnel, including as a result of potential union organizing activities, work actions or other labor issues, could
substantially affect our operations and results.

In addition, when we expand operations in either existing areas or new locations, including internationally, we
need to attract and retain the services of sufficient qualified personnel to conduct those operations. If we fail to
retain and maintain sufficient qualified personnel, the operations at those locations, and consequently our
financial results, could be adversely affected. In new or existing facilities we may be subject to local labor
practices or union activities, wage pressure and changing wage requirements, increasing health care costs,
differing employment laws and regulations in various countries, local competition for employees, restrictions on
labor mobility as well as high turnover, and other issues affecting our workforce, all of which could affect
operations at particular locations, which also could have adverse effects on our operational results. As noted
above, our adoption of certain third-party standards could adversely affect our ability to attract and retain
employees in jurisdictions where these standards vary from prevailing local customs and practices.

Natural disasters, breaches of security and other events outside our control, and the ineffective
management of such events, may harm our business.

Some of our facilities are located in areas that may be impacted by natural disasters, including tornadoes,
hurricanes, earthquakes, water shortages, tsunamis and floods. All facilities are subject to other natural or man-
made disasters such as those related to global climate change, fires, acts of terrorism or war, breaches of security,
theft or espionage, and failures of utilities. If such an event was to occur, our business could be harmed due to the
event itself or due to our inability to effectively manage the effects of the particular event. Potential harms
include the loss of business continuity, the loss of business data and damage to infrastructure.

21

In addition, some of our facilities possess certifications necessary to work on specialized products that our other
locations lack. If work is disrupted at one of these facilities, it may be impractical or we may be unable to
transfer such specialized work to another facility without significant costs and delays. Thus, any disruption in
operations at a facility possessing specialized certifications could adversely affect our ability to provide products
and services to our customers, and thus negatively affect our relationships and financial results.

Although we have implemented policies and procedures with respect to physical security, we remain at risk of
unauthorized access to our facilities and the possible unauthorized use or theft of inventory, information or other
physical assets. If unauthorized persons gain physical access to our facilities, or our physical assets or
information are stolen or used in an unauthorized manner (whether through outside theft or industrial espionage),
we could be subject to, among other consequences, negative publicity, governmental inquiry and oversight, loss
of government contracts, litigation by affected parties and/or other future financial obligations related to the loss,
misuse or theft of our or our customers’ data, inventory or physical assets, any of which could have a material
adverse effect on our reputation and results of operations.

We may fail to secure or maintain necessary additional financing and/or capital.

We cannot be certain that our existing credit facilities will provide all of the financing capacity that we will need
in the future or that we will be able to change the credit facilities or revise covenants, if necessary, to
accommodate changes or developments in our business and operations. In addition, if we do not comply with the
covenants under our credit agreement, our ability to borrow under that facility would be adversely affected. In
addition, it is possible that counterparties to our financial agreements, including our credit agreement and our
interest rate swap agreements, may not be willing or able to meet their obligations, either due to instability in the
global financial markets or otherwise.

Our future success may depend on our ability to obtain additional financing and capital to support possible future
growth and future initiatives. In early fiscal 2016, we exercised a portion of the accordion feature under our
revolving credit facility to increase its capacity by $30 million to $265 million. We may seek to raise capital by
issuing additional common stock, other equity securities or debt securities, modifying our existing credit
facilities or obtaining new facilities, or through a combination of these methods.

We may not be able to obtain capital when we want or need it, and capital may not be available on satisfactory
terms. If we issue additional equity securities or convertible securities to raise capital, it may be dilutive to
shareholders’ ownership interests; we may not be able to offer our securities on attractive or acceptable terms in
the event of volatility or weakness in our stock price. Furthermore, any additional financing may have terms and
conditions that adversely affect our business, such as restrictive financial or operating covenants, and our ability
to meet any current or future financing covenants will largely depend on our financial performance, which in turn
will be subject to general economic conditions and financial, business and other factors.

We may fail to successfully complete future acquisitions, as well as strategic arrangements, and may not
successfully integrate acquired businesses or recognize the anticipated benefits, which could adversely
affect our operating results.

We have previously grown, in part, through acquisitions and strategic arrangements. If we were to pursue future
growth through acquisitions or similar transactions, this would involve significant risks that could have a material
adverse effect on us. These risks include:

Operating risks, such as:

•

•

the inability to integrate successfully our acquired operations’ businesses, systems and personnel

the inability to realize anticipated synergies, economies of scale or other value

22

•

•

•

•

the difficulties in scaling up production and coordinating management of operations at new sites

the strain placed on our personnel, systems and resources

the possible modification or termination of an acquired business’ customer programs, including the loss
of customers and the cancellation of current or anticipated programs, and

the loss of key employees of acquired businesses.

Financial risks, such as:

•

•

•

•

•

•

•

the use of cash resources, or incurrence of additional debt and related interest expense

the dilutive effect of the issuance of additional equity securities

the effect of potential volatility or weakness in our stock price on its use as consideration for
acquisitions

the inability to achieve expected operating margins to offset the increased fixed costs associated with
acquisitions, and/or inability to increase margins of acquired businesses to our desired levels

the incurrence of large write-offs or write-downs

the impairment of goodwill and other intangible assets, and

the unforeseen liabilities of the acquired businesses.

ITEM 1B. UNRESOLVED SEC STAFF COMMENTS

None.

23

ITEM 2.

PROPERTIES

Our facilities comprise an integrated network of engineering and manufacturing centers with our corporate
headquarters located in Neenah, Wisconsin. We own or lease active facilities with approximately 3.4 million
square feet of capacity. This includes approximately 1.6 million square feet in AMER, approximately 1.4 million
square feet in APAC and approximately 0.4 million square feet in EMEA. Our facilities as of October 3, 2015,
are described in the following table:

Location

Type

Size (sq. ft.)

Owned/Leased

AMER
Neenah, Wisconsin
Guadalajara, Mexico
Nampa, Idaho
Appleton, Wisconsin
Buffalo Grove, Illinois (1)
Neenah, Wisconsin
Neenah, Wisconsin
Fremont, California (2)
Raleigh, North Carolina
Louisville, Colorado
APAC
Penang, Malaysia (1)
Xiamen, China (1)
Hangzhou, China
EMEA
Oradea, Romania
Livingston, Scotland
Kelso, Scotland
Darmstadt, Germany
Other
San Diego, California (3)

Manufacturing
Manufacturing
Manufacturing
Manufacturing
Manufacturing
Engineering
Global Headquarters
Manufacturing
Engineering
Engineering

418,000
265,000
216,000
205,000
163,000
105,000
104,000
46,000
25,000
24,000

Manufacturing/Engineering
Manufacturing
Manufacturing

1,048,000
193,000
117,000

Manufacturing/Engineering
Manufacturing/Engineering
Manufacturing
Engineering

296,000
62,000
57,000
16,000

Owned
Leased
Owned
Owned
Leased
Owned
Owned
Leased
Leased
Leased

Owned
Leased
Leased

Owned
Leased
Owned
Leased

Inactive

198,000

Leased

(1) The facilities in Penang, Malaysia; Xiamen, China; and Buffalo Grove, Illinois include more than one

building.

(2)

In November 2015, Plexus announced its intention to close the Fremont, California facility and transition
the customer programs to other facilities by the end of the third quarter of fiscal 2016.

(3) The facility in San Diego, California is subleased and is no longer used in operations. The lease on this

facility expires in fiscal 2016.

ITEM 3.

LEGAL PROCEEDINGS

The Company is party to certain lawsuits and legal proceedings in the ordinary course of business. Management
does not believe that these proceedings, individually or in the aggregate, will have a material adverse effect on
the Company’s consolidated financial position, results of operations or cash flows.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

Executive Officers

See Part III, Item 10, “Directors, Executive Officers and Corporate Governance,” of this Form 10-K for
information regarding the Company’s executive officers.

24

PART II

ITEM 5. MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER

MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Market Price per Share

The Company’s common stock trades on the NASDAQ Stock Market in the NASDAQ Global Select Market tier.
The price information below represents high and low sale prices of our common stock for each quarterly period
during fiscal 2015 and 2014:

Fiscal Year Ended October 3, 2015

Fiscal Year Ended September 27, 2014

First Quarter
Second Quarter
Third Quarter
Fourth Quarter

Performance Graph

High

Low

$42.79
$42.27
$46.14
$43.20

$34.43 First Quarter
$37.89 Second Quarter
$41.59 Third Quarter
$35.55 Fourth Quarter

High

Low

$43.41
$44.16
$45.53
$44.77

$36.06
$36.81
$38.84
$37.05

The following graph compares the cumulative total return on Plexus common stock with the NASDAQ Stock Market
Index for U.S. Companies and the NASDAQ Stock Market Index for Electronic Components Companies, both of which
include Plexus. The values on the graph show the relative performance of an investment of $100 made on October 1,
2010, in Plexus common stock and in each of the indices as of the last business day of the respective fiscal year.

Comparison of Cumulative Total Return

S
R
A
L
L
O
D

200

180

160

140

120

100

80

60

40

Plexus

Nasdaq-US

Nasdaq-Electronics

2010

2011

2012

2013

2014

2015

Plexus
NASDAQ-US
NASDAQ-Electronics

2010

2011

2012

2013

2014

2015

$100
100
100

$ 74
100
89

$ 99
130
112

$120
159
155

$123
187
171

$124
188
162

25

Shareholders of Record; Dividends

As of November 16, 2015, there were 498 shareholders of record. We have not paid any cash dividends in the
past. We currently anticipate that the majority of earnings in the foreseeable future will be retained to finance the
development of our business and our authorized share repurchases. However, the Company evaluates from time
to time potential uses of excess cash, which in the future may include additional share repurchases, a special
dividend or recurring dividends. See also Part II, Item 7, “Management’s Discussion and Analysis of Financial
Condition and Results of Operations – Liquidity and Capital Resources,” for a discussion of the Company’s
intentions regarding dividends, and loan covenants which could restrict dividend payments.

Issuer Purchases of Equity Securities

The following table provides the specified information about the repurchases of shares by the Company during
the three months ended October 3, 2015:

Period

Total number of
shares purchased

Average price
paid per share

Total number of
shares purchased
as part of publicly
announced plans or
programs

Maximum
approximate dollar
value of shares that
may yet be purchased
under the plans or
programs (1)

July 5, 2015 to July 31, 2015
August 1, 2015 to August 29, 2015
August 30, 2015 to October 3, 2015

54,065
66,848
74,658

195,571

$39.93
37.99
37.26

$38.25

54,065
66,848
74,658

195,571

$ 5,321,275
$32,781,770
$30,000,000

(1) On August 13, 2014, the Board of Directors authorized a stock repurchase program under which the
Company was authorized to repurchase up to $30.0 million of its common stock during fiscal 2015. The
Company repurchased 745,227 shares under this program for $30.0 million at an average price of $40.26 per
share. These shares were recorded as treasury stock.

On August 20, 2015, the Board of Directors approved a stock repurchase program under which the Company is
authorized to repurchase up to $30.0 million of its common stock during fiscal 2016.

26

ITEM 6.

SELECTED FINANCIAL DATA

Financial Highlights (dollars in thousands, except per share amounts)

Income Statement Data

Net sales
Gross profit
Gross margin percentage
Operating income (1)
Operating margin percentage
Net income
Earnings per share (diluted)
Cash Flow Statement Data
Cash flows provided by operations
Capital equipment additions
Balance Sheet Data
Working capital
Total assets
Total debt obligations
Shareholders’ equity
Return on invested capital (2)
Inventory turnover ratio

Fiscal Years Ended

October 3,
2015(4)

September 27,
2014

September 28,
2013

September 29,
2012

October 1,
2011

$2,654,290
239,550

$2,378,249
225,569

$2,228,031
213,185

$2,306,732
219,913

$2,231,232
214,742

9.0%

9.5%

115,436

100,607

4.3%

4.2%

$

$

94,332
2.74

76,572
35,076

$ 765,427
1,702,388
262,770
842,272

$

$

87,213
2.52

88,432
65,284

$ 683,524
1,609,026
266,414
781,133

9.6%

96,623

4.3%

82,259
2.36

9.5%

9.6%

104,159

101,179

4.5%
62,089(3)
1.75(3)

$

4.5%

89,256
2.30

$

$

$ 207,647
108,122

$ 157,503
63,697

$ 158,451
70,819

$ 607,646
1,447,684
261,347
699,301

$ 619,934
1,411,467
270,422
649,022

$ 553,893
1,304,525
287,642
558,882

14.0%
4.3x

15.2%
4.6x

14.0%
5.1x

15.5%(3)
4.6x

15.6%
4.4x

(1) During fiscal 2015 and 2014, the Company recorded $1.7 million and $11.3 million, respectively, in
restructuring and impairment charges, which are included in operating income. These charges largely
related to the Company’s consolidation of its manufacturing facilities in Wisconsin, as well as its relocation
of manufacturing operations from Juarez, Mexico to Guadalajara, Mexico.

(2) The Company defines return on invested capital as tax-effected operating income divided by average
invested capital over a rolling five-quarter period. Invested capital is defined as equity plus debt, less cash
and cash equivalents, as discussed in Part II, Item 7, “Management’s Discussion and Analysis of Financial
Condition and Results of Operations.”

(3)

In fiscal 2012, the Company established a valuation allowance against its U.S. deferred tax assets resulting
in an additional tax provision of approximately $20.6 million ($22.8 million provision, offset by $2.2
million recorded to other comprehensive income) and a decrease in diluted earnings per share of $0.64.
Return on invested capital excludes the $20.6 million net deferred tax asset reduction. An additional $1.3
million of valuation allowance established for fiscal 2012 relates to operating losses in Germany and
Romania, making the total valuation allowance for that year $24.1 million.

(4) Fiscal 2015 included 53 weeks. All other periods presented included 52 weeks.

27

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

RESULTS OF OPERATIONS

OVERVIEW

Plexus Corp. and its subsidiaries (together “Plexus,” the “Company,” or “we”) participate in the Electronic
Manufacturing Services (“EMS”) industry. We deliver optimized solutions to our customers through our unique
Product Realization Value Stream. Our customer-focused solutions model seamlessly integrates innovative
product conceptualization, design, commercialization, manufacturing, fulfillment and sustaining solutions.
Plexus delivers comprehensive end-to-end solutions for customers in the Americas (“AMER”), Europe, Middle
East, and Africa (“EMEA”) and Asia-Pacific (“APAC”) regions.

We provide award-winning customer service to more than 140 branded product companies in the Networking/
Communications, Healthcare/Life Sciences, Industrial/Commercial and Defense/Security/Aerospace market
sectors. Our customers have stringent quality, reliability and regulatory requirements, requiring exceptional
production and supply chain agility. Their products require complex configuration management, direct order
fulfillment (to end customers) and global logistics management and Aftermarket Services. To service the
complexities that our customers’ products demand, we utilize our Product Realization Value Stream, addressing
our customers’ products from concept to end of life.

The following information should be read in conjunction with our consolidated financial statements included
herein and “Risk Factors” included in Part I, Item 1A herein.

RESULTS OF OPERATIONS

Consolidated Performance Summary. The following table presents selected consolidated financial data for fiscal
2015, 2014 and 2013 (dollars in millions, except per share data):

Net sales
Gross profit
Gross margin
Operating income
Operating margin
Net income
Earnings per share (diluted)
Return on invested capital

2015

2014

2013

$2,654.3
239.6

$2,378.2
225.6

$2,228.0
213.2

9.0%

115.4

4.3%

94.3
2.74
14.0%

$

9.5%

100.6

4.2%

87.2
2.52
15.2%

$

9.6%
96.6
4.3%

82.3
2.36
14.0%

$

Fiscal 2015 included 53 weeks, while all other periods presented included 52 weeks.

Net sales. Net sales for fiscal 2015 increased $276.0 million, or 11.6 percent, as compared to fiscal 2014. The net
sales increase was primarily the result of increases across all market sectors. The most significant net sales
increases were from the industrial/commercial and networking/communications sectors, which increased by
$102.0 million and $82.0 million, respectively. However, we began to experience a softening in these sectors
during the fourth quarter of fiscal 2015, which we expect will continue through the first half of fiscal 2016.

Net sales for fiscal 2014 increased $150.2 million, or 6.7 percent, as compared to fiscal 2013. The net sales
increase was primarily the result of a $134.1 million increase in net sales in the healthcare/life sciences sector, as
well as net sales increases in the industrial/commercial and defense/security/aerospace sectors, partially offset by
a reduction in net sales in the networking/communication sector. The reduction in the networking/
communications sector resulted from a $282.6 million headwind related to the disengagement of Juniper
Networks, Inc. (“Juniper”) in fiscal 2013, partially offset by a $230.3 million increase in net sales to two key
customers in that sector primarily resulting from new product ramps.

28

Our net sales by market sector for fiscal 2015, 2014 and 2013 were as follows (in millions):

Market Sector

2015

2014

2013

Networking/Communications
Healthcare/Life Sciences
Industrial/Commercial
Defense/Security/Aerospace

Total net sales

$ 844.5
750.2
685.5
374.1

$ 762.5
697.3
583.5
334.9

$ 826.3
563.2
551.0
287.5

$2,654.3

$2,378.2

$2,228.0

Networking/Communications. Net sales for fiscal 2015 in the networking/communications sector increased
$82.0 million, or 10.8 percent, as compared to fiscal 2014. The change was primarily the result of a $50.1 million
increase in net sales to a key customer as a result of increased end-market demand, a $36.1 million increase in net
sales from one of our largest customers as a result of new product ramps and expansion of its end-market
demand, and a $16.0 million increase related to a new customer. Additionally, five customers’ net sales increased
$37.5 million, in aggregate, primarily as a result of increased end-market demand as well as new program ramps.
These increases were partially offset by a $19.8 million decrease due to a customer that experienced softening in
its end-market demand, a $10.6 million decrease related to a customer disengagement and several other
customers with decreased end-market demand.

Net sales for fiscal 2014 in the networking/communications sector decreased $63.8 million, or 7.7 percent, as
compared to fiscal 2013. The change was primarily the result of a $282.6 million decrease in net sales to Juniper,
related to its disengagement, partially offset by a $230.3 million increase in sales related to two key customers in
this sector primarily resulting from new program ramps.

Healthcare/Life Sciences. Net sales for fiscal 2015 in the healthcare/life sciences sector increased $52.9 million,
or 7.6 percent, as compared to fiscal 2014. The increase was primarily due to $39.6 million of new program
ramps for one customer, and increased end-market demand and new program ramps across several other
customers in this sector. The increase was partially offset by a program loss for one customer, which resulted in a
decrease of $14.6 million, and decreased net sales to several other customers as a result of program ramp downs
and decreased end-market demand.

Net sales for fiscal 2014 in the healthcare/life sciences sector increased $134.1 million, or 23.8 percent, as
compared to fiscal 2013. The increase was primarily due to $89.3 million of new program ramps and increased
end-market demand for two key customers in this sector, and increased end-market demand and new program
ramps across several other customers in this sector.

Industrial/Commercial. Net sales for fiscal 2015 in the industrial/commercial sector increased $102.0 million, or
17.5 percent, as compared to fiscal 2014. The increase was primarily due to a $45.6 million increase in net sales
to a new customer in fiscal 2015, a $36.8 million increase related to new programs with existing customers, a
$24.4 million increase related to new customers secured in fiscal 2014 that ramped in fiscal 2015, and several
other customers with increased end-market demand. These increases were partially offset by a $22.1 million
decrease due to the disengagement of a customer as a result of the inability to reach contractual terms, and
several other customers with decreased end-market demand.

Net sales for fiscal 2014 in the industrial/commercial sector increased $32.5 million, or 5.9 percent, as compared
to fiscal 2013. The increase was primarily the result of the expansion of business with one of our larger
customers in the sector, which accounted for $30.7 million of the increased net sales as compared to fiscal 2013.

Defense/Security/Aerospace. Net sales for fiscal 2015 in the defense/security/aerospace sector increased $39.2
million, or 11.7 percent, as compared to fiscal 2014. The increase was primarily driven by new program ramps
and increased end-market demand spread among multiple customers.

29

Net sales for fiscal 2014 in the defense/security/aerospace sector increased $47.4 million, or 16.5 percent, as
compared to fiscal 2013. The increase was primarily due to $37.5 million resulting from new program ramps and
increased end-market demand for one of our larger customers in the sector.

As a percentage of consolidated net sales, net sales attributable to customers representing 10 percent or more of
consolidated net sales as well as the percentage of net sales attributable to our ten largest customers for fiscal
2015, 2014 and 2013, were as follows:

2015

2014

2013

*
ARRIS Group, Inc.
*
General Electric Company
12.8%
Juniper Networks, Inc.
54.5%
Top 10 customers
* Net sales attributable to the customer were less than 10.0 percent of

12.5%
11.2%
*
55.1%

12.6%
10.6%
*
56.1%

consolidated net sales for the period.

Gross profit. Gross profit for fiscal 2015 increased $14.0 million, or 6.2 percent, as compared to fiscal 2014.
Gross profit increased $28.4 million primarily as a result of increased sales. This was partially offset by a $14.4
million increase in fixed costs primarily in the AMER region as a result of continued investments in our new
manufacturing facilities in Neenah, Wisconsin and Guadalajara, Mexico and costs incurred related to production
process constraints in a defense/security/aerospace focus factory. Gross margin decreased to 9.0 percent from 9.5
percent. The largest driver of the decrease in gross margin percentage from fiscal 2014 to fiscal 2015 was a lower
net parts contribution margin and lower labor contribution margin, offset by lower fixed costs as a percentage of
sales. We have made additional investments in new manufacturing facilities with expected efficiencies and
productivity improvements yet to be realized.

Gross profit for fiscal 2014 increased $12.4 million, or 5.8 percent, as compared to fiscal 2013. Overall gross
margin decreased to 9.5 percent from 9.6 percent. Gross profit increased $34.2 million primarily as a result of
increased sales. This favorable effect was largely offset by a $21.9 million increase in fixed costs due to our
investment in a new manufacturing facility in Neenah, Wisconsin, the ramp up of new business in the AMER
region, and increased depreciation and personnel expenses with our then new manufacturing facility in Oradea,
Romania.

Operating income. Operating income for fiscal 2015 increased $14.8 million as compared to fiscal 2014 as a
result of the increase in gross profit previously discussed and a $9.6 million decrease in restructuring and
impairment charges, which were higher in fiscal 2014 because they largely related to the consolidation of
manufacturing facilities in Wisconsin, and the relocation of manufacturing operations from Juarez, Mexico to
Guadalajara. This was partially offset by an $8.7 million increase in selling and administrative expenses (“S&A”)
primarily due to increased variable compensation expense, higher compensation expense due to increased
headcount and an increase in professional services expense. Operating margin increased to 4.3 percent for fiscal
2015 from 4.2 percent for fiscal 2014.

Operating income for fiscal 2014 increased $4.0 million as compared to fiscal 2013. A $2.9 million decrease in
S&A as compared to prior year and the previously discussed increase to gross profit were partially offset by
$11.3 million of restructuring and impairment charges previously discussed. As a result, operating margin
decreased to 4.2 percent for fiscal 2014 from 4.3 percent for fiscal 2013.

Other income (expense). Other expense for fiscal 2015 increased $1.9 million as compared to fiscal 2014. The
increase in other expense for fiscal 2015 was primarily the result of a $1.7 million increase in interest expense
due to higher average borrowings, a $0.8 million increase in miscellaneous expense due to fiscal 2014 having
benefited from a favorable non-recurring accrual related to the termination of an agreement for additional land in
Hangzhou, China, and an additional $1.4 million increase in miscellaneous expense. This was partially offset by
a $1.4 million increase in foreign exchange gains and a $0.6 million increase in interest income due to an
increase of cash and cash equivalents.

30

Other expense for fiscal 2014 decreased $4.4 million as compared to fiscal 2013. The decrease in other expense
for fiscal 2014 was primarily the result of a $1.3 million increase in interest income, a $1.1 million decrease in
currency exchange losses, a $0.8 million decrease in miscellaneous expense due to the favorable outcome related
to a previous accrual for expenses related to Hangzhou as discussed above, and a $0.3 million decrease in interest
expense.

Income taxes. Income tax expense and effective annual income tax rates, with and without the annual valuation
allowance, for fiscal 2015, 2014 and 2013 were as follows (dollars in millions):

Income tax expense, as reported
Valuation allowance (expense)

Income tax benefit, as adjusted*

Effective annual tax rate, as reported
Impact of valuation allowance

Effective annual tax rate, as adjusted*

2015

$ 12.0
(17.5)

$ (5.5)

11.3%
(16.5)%

(5.2)%

2014

$ 6.1
(7.9)

$(1.8)

6.5%
(8.4)%

(1.9)%

2013

$ 2.7
(7.0)

$(4.3)

3.2%
(8.2)%

(5.0)%

* The Company believes the non-GAAP presentation of income tax expense (benefit) and
tax rate excluding the impact of the valuation allowance provides

effective annual
additional insight over the comparative reporting periods.

Income tax expense for fiscal 2015 was $12.0 million compared to $6.1 million for fiscal 2014 and $2.7 million
for fiscal 2013. The Company’s effective annual tax rates vary from the U.S. statutory rate of 35.0% primarily as
a result of the mix of earnings from U.S. and foreign jurisdictions and a tax holiday granted to a subsidiary
located in the APAC region where the Company derives a significant portion of its earnings. The effective tax
rate for fiscal 2015 was higher than the effective rate for fiscal 2014 primarily as a result of the geographic
distribution of worldwide earnings and tax benefits of $3.8 million primarily due to the lapse of statute of
limitations related to certain U.S. tax examinations during fiscal 2014. The effective tax rate for fiscal 2014 was
higher than the effective tax rate in fiscal 2013 primarily as a result of the geographic distribution of worldwide
earnings.

During fiscal 2015, the Company recorded a $17.5 million addition to its valuation allowance relating to
continuing losses in certain jurisdictions within the AMER and EMEA regions. As of October 3, 2015, using the
measurement criteria found in ASC Topic 740, “Income Taxes” (“ASC 740”), the Company believes that the
positive evidence does not outweigh the negative and the valuation allowance should remain in place.

During fiscal 2014, the Company recorded a $7.9 million addition to its valuation allowance related to continuing
losses in certain jurisdictions within the AMER and EMEA regions. During fiscal 2014, as noted above, the
Company also recorded tax benefits of $3.8 million primarily due to the lapse of statute of limitations related to
certain U.S. tax examinations during the fiscal year.

During fiscal 2013, the Company recorded a $7.0 million addition to its valuation allowance, of which $5.2
million related to continuing losses in certain jurisdictions within the AMER and EMEA regions. During fiscal
2013, the Company performed an analysis of all available evidence, both positive and negative, regarding the
need for a valuation allowance against its U.K. deferred tax assets, consistent with the provisions of ASC 740.
Accordingly, the Company established an additional $1.8 million valuation allowance against the U.K. deferred
tax assets. During fiscal 2013 the Company also identified and recorded several out-of-period tax errors that
reduced tax expense by $3.2 million. The Company believes these out-of-period tax errors were not material to
the fiscal 2013, or previously issued, financial statements.

31

The Company has been granted a tax holiday for a foreign subsidiary operating in the APAC region. This tax
holiday will expire on December 31, 2024, and is subject to certain conditions with which the Company expects
to comply. The Company benefited from a second tax holiday within the APAC region until December 31, 2013,
when it expired under the terms of the Company’s agreement with the local taxing authority. In fiscal 2015, 2014
and 2013, these holidays resulted in tax reductions of approximately $29.9 million ($0.89 per basic share), $24.1
million ($0.71 per basic share), and $22.7 million ($0.66 per basic share), respectively.

The annual effective tax rate for fiscal 2016 is expected to be approximately 12.0 to 14.0 percent.

Net Income. Net income for fiscal 2015 increased $7.1 million, or 8.2 percent, to $94.3 million from fiscal 2014.
Net income increased primarily as a result of increased gross profit and lower restructuring and impairment
charges, partially offset by an increase in S&A expenses, interest expense and an increase in income tax expense,
as discussed previously.

Net income, both including and excluding the annual valuation allowance and out-of-period tax adjustments (in
fiscal 2013), for fiscal 2015, 2014 and 2013 was as follows (dollars in millions):

Net income, as reported
Valuation allowance
Out-of-period tax adjustments

Net income, as adjusted*

2015

2014

2013

$ 94.3
17.5
—

$111.8

$87.2
7.9
—

$95.1

$82.3
7.0
(3.2)

$86.1

* The Company believes the non-GAAP presentation of net income excluding the impact of
the valuation allowance and out-of-period tax adjustments provides additional insight over
the comparative reporting periods.

Net income for fiscal 2014 increased $5.0 million, or 6.0 percent, to $87.2 million from fiscal 2013. Net income
increased primarily as a result of increased gross profit and lower S&A expenses, partially offset by increased
restructuring and impairment charges and increased income tax expense, as discussed previously.

Diluted earnings per share. Diluted earnings per share increased to $2.74 for fiscal 2015 from $2.52 for fiscal
2014 primarily as a result of increased net income. Further improvement was attributable to the positive impact
of fewer weighted average outstanding shares in fiscal 2015 due to our common stock repurchase program. See
Note 13, “Shareholders’ Equity” in Notes to the Consolidated Financial Statements for information regarding the
Company’s stock repurchase programs.

Diluted earnings per share increased to $2.52, or 6.8 percent, for fiscal 2014 from $2.36 for fiscal 2013 primarily
as a result of increased net income. Further improvement was due to the positive impact of fewer weighted
average outstanding shares in fiscal 2014 due to our common stock repurchase program. See Note 13,
“Shareholders’ Equity” in Notes to the Consolidated Financial Statements for information regarding the
Company’s stock repurchase programs.

Return on Invested Capital (“ROIC”). We use a 5-5 financial model which is aligned with our business strategy,
and includes a ROIC goal of 500 basis points over our weighted average cost of capital (“WACC”), which we
refer to as “Economic Return,” and a 5.0 percent operating margin target. Our primary focus is on our Economic
Return goal of 5.0 percent, which is designed to create shareholder value and generate enough cash to self-fund
our targeted organic revenue growth rate of 12.0 percent.

We review our internal calculation of WACC annually. Our WACC was 11.0 percent, 11.0 percent, and
12.0 percent for fiscal 2015, 2014 and 2013, respectively. By exercising discipline to generate ROIC in excess of
our WACC, our goal is to create value for our shareholders. ROIC was 14.0 percent, 15.2 percent, and

32

14.0 percent for fiscal 2015, 2014 and 2013, respectively. Fiscal 2015 ROIC of 14.0 percent reflects an
Economic Return of 3.0 percent, based on our weighted average cost of capital of 11.0 percent. While invested
capital grew at a similar pace to revenue, fiscal 2015 operating profit, before restructuring, grew 5.0 percent due
to lower margin performance. See the table below for our calculation of ROIC (dollars in millions):

Operating income (tax effected)
Average invested capital
After-tax ROIC
WACC
Economic Return

2015

2014

2013

$104.2
745.6
14.0%
11.0%
3.0%

$101.8
669.7
15.2%
11.0%
4.2%

$ 89.9
642.1
14.0%
12.0%
2.0%

We define ROIC as tax-effected operating income before restructuring and impairment charges divided by
average invested capital over a rolling five-quarter period for the fiscal year. Invested capital is defined as equity
plus debt, less cash and cash equivalents. Other companies may not define or calculate ROIC in the same way.
ROIC and other non-GAAP financial measures should be considered in addition to, not as a substitute for,
measures of our financial performance prepared in accordance with U.S. generally accepted accounting
principles (“GAAP”).

Non-GAAP financial measures, including ROIC, are used for internal management assessments because such
measures provide additional insight into ongoing financial performance. In particular, we provide ROIC because
we believe it offers insight into the metrics that are driving management decisions because we view ROIC as an
important measure in evaluating the efficiency and effectiveness of our long-term capital requirements. We also
use a derivative measure of ROIC as a performance criteria in determining certain elements of compensation.

For a reconciliation of ROIC to our financial statements that were prepared using GAAP, see exhibit 99.1 to this
annual report on Form 10-K, which exhibit is incorporated herein by reference.

RECENT DEVELOPMENT

On November 4, 2015, the Company announced plans to close its manufacturing facility in Fremont, California
as a result of the Company’s optimization of its capacity to align with customer demand due to changing end-
market dynamics. Plexus expects to incur approximately $3.0 to $5.0 million of restructuring charges as a result
of this action by the end of the third quarter of fiscal 2016.

33

REPORTABLE SEGMENTS

A further discussion of our fiscal 2015, 2014 and 2013 financial performance by reportable segment is presented
below (in millions):

Net sales:

AMER
APAC
EMEA
Elimination of inter-segment sales

Total net sales

Operating income (loss):

AMER
APAC
EMEA
Corporate and other costs

Total operating income

2015

2014

2013

$1,389.0
1,285.9
140.3
(160.9)

$1,238.2
1,132.5
115.9
(108.4)

$1,062.8
1,146.3
122.6
(103.6)

$2,654.3

$2,378.2

$2,228.1

$

68.6
160.2
(8.1)
(105.3)

$

79.2
135.5
(11.9)
(102.2)

$

70.9
116.3
(3.1)
(87.5)

$ 115.4

$ 100.6

$

96.6

Americas. Net sales for fiscal 2015 in the AMER segment increased $150.8 million, or 12.2 percent, as
compared to fiscal 2014, primarily due to a new industrial/commercial sector customer that ramped during fiscal
2015, which contributed $45.6 million in sales, and a $37.2 million increase in net sales from a customer in the
networking/communications sector as a result of new product ramps and expansion of its end-market demand.
The remainder of the increase was a result of increased end-market demand and new product ramps for several of
our larger customers across the industrial/commercial and healthcare/life sciences sectors. These increases were
partially offset by the disengagement of a customer due to the inability to reach contractual terms, which resulted
in a $22.1 million decrease. There was also a $19.8 million decrease due to a customer that experienced softening
in its end-market demand, a $14.6 million decrease due to the loss of a customer program, and softening end-
market demand for several customers, particularly in the networking/communications sector. During fiscal 2015,
production of a healthcare/life sciences customer was transfered from the AMER segment to the APAC segment,
which resulted in a decrease of $8.4 million (sales to this customer increased by $47.0 million in the APAC
segment, as noted below). Operating income for fiscal 2015 decreased $10.6 million from fiscal 2014 primarily
due to continued investments in our new manufacturing facilities in Neenah and Guadalajara, and costs related to
production process constraints in a focus factory for our defense/security/aerospace sector, partially offset by the
increase in net sales.

Net sales for fiscal 2014 in the AMER segment increased $175.4 million, or 16.5 percent, as compared to fiscal
2013, primarily due to increased net sales of $154.8 million to a key networking/communications customer
resulting from a new product ramp. Increased end-market demand and new product ramps on several of our
larger customers across all four sectors drove further increased sales for fiscal 2014. Partially offsetting these
increases was a $115.8 million decrease in net sales from the disengagement of Juniper. Operating income for
fiscal 2014 increased $8.3 million from fiscal 2013 primarily due to the increase in net sales.

Asia-Pacific. Net sales for fiscal 2015 in the APAC segment increased $153.4 million, or 13.5 percent, as
compared to fiscal 2014. Net sales increased in all market sectors with the most significant increase in the
networking/communications sector, including a combined $62.8 million increase for three customers as a result
of increased end-market demand and an aggregate $23.9 million increase related to program ramps for two
customers. In addition, net sales to one of our largest customers in the healthcare/life sciences sector increased by
$47.0 million. Operating income increased $24.7 million in fiscal 2015 as compared to fiscal 2014, primarily as a
result of the increase in net sales as fixed manufacturing expense and S&A for the segment were relatively stable
in fiscal 2015 as compared to 2014.

34

Net sales for fiscal 2014 in the APAC segment decreased $13.8 million, or 1.2 percent, as compared to fiscal
2013, primarily due to a $166.8 million decrease in net sales resulting from the disengagement of Juniper.
Partially offsetting this decrease was an increase in net sales of $82.9 million to one of our larger networking/
communications customers as a result of new product ramps and an increase in net sales of $61.8 million to two
of our larger healthcare/life sciences customers. Operating income increased $19.2 million in fiscal 2014 as
compared to fiscal 2013, primarily as a result of favorable changes in customer mix and supply chain
productivity.

Europe, Middle East and Africa. Net sales for fiscal 2015 in the EMEA segment increased $24.4 million, or
21.1 percent, as compared to fiscal 2014, primarily due to a combined increase of $18.7 million from three new
customers, a $7.3 million increase to a networking/communications customer due to improved end-market
demand and new product ramps, and increased end-market demand for several other customers. This was
partially offset by a $7.2 million decrease as a result of end of life products along with the effects of decreased
end-market demand for several other customers. Operating loss decreased $3.8 million in fiscal 2015 as
compared to fiscal 2014 primarily due to the increase in net sales and improved profitability for engineering
related services.

Net sales for fiscal 2014 in the EMEA segment decreased $6.6 million, or 5.4 percent, as compared to fiscal
2013, due primarily to the disengagement of two customers. Operating loss increased $8.8 million in the current
year as compared to the prior year due to increased fixed manufacturing expenses in both Oradea and the U.K.,
resulting from increased depreciation and personnel expenses associated with facility investments.

LIQUIDITY AND CAPITAL RESOURCES

Cash and cash equivalents were $357.1 million as of October 3, 2015 as compared to $346.6 million as of
September 27, 2014. Cash generated from operations and stock option exercises in fiscal 2015 were substantially
offset by cash used for capital expenditures, primarily related to facility investments, purchases of common stock
as part of our stock repurchase program, and capital lease payments.

As of October 3, 2015, 86.2 percent of our cash and cash equivalents balances were held outside of the U.S. by
our foreign subsidiaries. Certain foreign countries impose taxes and overall penalties on transfers of cash;
however, our intent is to permanently reinvest funds held in these countries. If this cash were remitted to the
U.S., additional tax obligations may result that would reduce the amount of cash ultimately available to us in the
U.S. Currently, we believe that cash held in the U.S., together with cash available under U.S. credit facilities and
cash provided by operating activities, will be sufficient to meet our U.S. liquidity needs for the next twelve
months and for the foreseeable future.

Cash Flows. The following table provides a summary of cash flows for fiscal 2015, 2014 and 2013, excluding
the effect of exchange rates on cash and cash equivalents (in millions):

Cash provided by operating activities
Cash used in investing activities
Cash used in financing activities

2015

2014

2013

$ 76.6
$(34.7)
$(26.2)

$ 88.4
$(62.6)
$(21.0)

$ 207.6
$(107.2)
$ (57.4)

Operating Activities. Cash flows provided by operating activities were $76.6 million for fiscal 2015, as
compared to $88.4 million for fiscal 2014. The decrease was primarily attributable to a significant increase in
accounts payable for fiscal 2014 (discussed in the paragraph below) and an increase in net sales to customers
with longer payment terms, which resulted in higher accounts receivable balances at the end of fiscal 2015. This
was partially offset by improvement in cash flows used for inventory as fiscal 2014 had a significant inventory
increase due to the timing of inventory build to support forecasted sales in the first quarter of fiscal 2015, coupled
with an increase in customer deposits and improved earnings.

35

Cash flows provided by operating activities were $88.4 million for fiscal 2014, as compared to cash flows
provided by operating activities of $207.6 million for fiscal 2013. The decrease was primarily attributable to the
increase in net sales, which resulted in higher inventory and accounts receivable balances at the end of fiscal
2014. Additionally, increases in forecasted net sales for the first quarter of fiscal 2015 relative to the first quarter
of fiscal 2014 also resulted in higher inventory and accounts payable balances at the end of fiscal 2014.

The following table provides a summary of cash cycle days for the periods indicated (in days):

Days in accounts receivable
Days in inventory
Days in accounts payable
Days in cash deposits

Annualized cash cycle

Three months ended

October 3,
2015

September 27,
2014

September 28,
2013

53
85
(60)
(12)

66

44
80
(60)
(8)

56

49
72
(56)
(12)

53

We calculate days in accounts receivable as accounts receivable for the respective quarter divided by annualized
sales for the respective quarter by day. We calculate days in inventory, accounts payable, and cash deposits as
each balance sheet line item for the respective quarter divided by annualized cost of sales for the respective
quarter by day. We calculate annualized cash cycle as the sum of days in accounts receivable and days in
inventory, less days in accounts payable and days in cash deposits.

Days in accounts receivable for the three months ended October 3, 2015 increased nine days compared to the
three months ended September 27, 2014. The increase is primarily attributable to increased net sales to customers
with longer payment terms.

Days in inventory for the three months ended October 3, 2015 increased five days compared to the three months
ended September 27, 2014. The increase is primarily due to inventory procurements to fulfill anticipated fiscal
2016 customer demand, which was initially higher than the comparable fiscal 2015 demand at the end of fiscal
2014. This forecast was subsequently reduced, due to the end market softening.

Days in accounts payable for the three months ended October 3, 2015 was consistent compared to the three
months ended September 27, 2014.

Days in cash deposits for the three months ended October 3, 2015 increased four days compared to the three
months ended September 27, 2014. The increase was primarily attributable to three significant customer deposits
received in fiscal 2015.

As of October 3, 2015 annualized cash cycle days increased ten days compared to September 27, 2014 due to the
factors discussed above.

Free Cash Flow (“FCF”). We define FCF as cash flow provided by (or used in) operations less capital
expenditures, was $41.5 million for fiscal 2015 compared to $23.1 million for fiscal 2014. The increase of $18.4
million was primarily attributable to the reduction in capital expenditures described below, partially offset by a
reduction in cash provided by operating activities, as discussed above.

Non-GAAP financial measures, including FCF, are used for internal management assessments because such
measures provide additional insight into ongoing financial performance. In particular, we provide FCF because
we believe it offers insight into the metrics that are driving management decisions. We view FCF as an important
financial metric as it demonstrates our ability to generate cash and allows us to pursue opportunities that enhance

36

shareholder value. FCF is a non-GAAP financial measure which should be considered in addition to, not as a
substitute for, measures of our financial performance prepared in accordance with GAAP.

The following table provides a reconciliation of FCF to our financial statements that were prepared using GAAP
(in millions):

Cash flows provided by operating activities
Payments for property, plant and equipment

Free cash flow

2015

2014

2013

$ 76.6
(35.1)

$ 88.4
(65.3)

$ 207.6
(108.1)

$ 41.5

$ 23.1

$ 99.5

Investing Activities. Cash flows used in investing activities were $34.7 million for fiscal 2015 compared to $62.6
million for fiscal 2014. The reduction was due to a $30.2 million decrease in capital expenditures primarily
related to our facility investment for Guadalajara during fiscal 2014.

Cash flows used in investing activities for fiscal 2014 decreased to $62.6 million from $107.2 million in fiscal
2013. The reduction was due to a $42.8 million decrease in capital expenditures. This decrease was primarily
attributable to a facility investment at one location (Guadalajara) during fiscal 2014, relative to facility
investments at three locations during fiscal 2013 (Xiamen, China; Oradea, Romania; and Neenah, Wisconsin).

We utilized available cash and operating cash flows as the sources for funding our operating requirements during
fiscal 2015. We currently estimate capital expenditures for fiscal 2016 will be approximately $35 million to $40
million.

Financing Activities. Cash flows used in financing activities were $26.2 million for fiscal 2015 compared to
$21.0 million for fiscal 2014. The increase was primarily attributable to reduced proceeds from stock option
exercises during fiscal 2015.

Cash flows used in financing activities were $21.0 million for fiscal 2014 compared to cash flows used in
financing activities of $57.4 million for fiscal 2013. The decrease was primarily attributable to lower common
stock repurchase activity in fiscal 2014 relative to fiscal 2013, as well as term loan repayments in fiscal 2013.
The decrease was further enhanced by the effect of higher stock option exercise activity in fiscal 2014 relative to
fiscal 2013 due to more favorable market conditions during fiscal 2014.

On August 20, 2015, the Board of Directors authorized a stock repurchase program under which the Company is
authorized to repurchase up to $30.0 million of its common stock during fiscal 2016. The Company expects to
complete this program on a relatively consistent basis during fiscal 2016.

On August 13, 2014, the Board of Directors authorized a stock repurchase program under which the Company
was authorized to repurchase up to $30.0 million of its common stock during fiscal 2015. During fiscal 2015, the
Company repurchased 745,227 shares under this program for $30.0 million, at an average price of $40.26 per
share. These shares were recorded as treasury stock.

On August 19, 2013, the Board of Directors authorized a stock repurchase program under which the Company
was authorized to repurchase up to $30.0 million of its common stock during fiscal 2014. During fiscal 2014, the
Company repurchased 733,447 shares under this program for $30.0 million, at an average price of $40.90 per
share. These shares were recorded as treasury stock.

The Company has a $235.0 million senior unsecured revolving credit facility with a termination date of May 15,
2019 (the “Credit Facility”). In October 2015, subsequent to fiscal 2015 year end, $30.0 million of an accordion
feature thereunder was exercised, increasing the maximum commitment under the Credit Facility to $265.0

37

million. The Credit Facility may potentially be increased by an additional $70.0 million to $335.0 million,
generally by mutual agreement of the Company and the lenders subject to certain customary conditions. During
fiscal 2015, the highest daily borrowing was $207.0 million, the average daily borrowings were $147.8 million,
and the Company borrowed and repaid $483.0 million of revolving borrowings under the Credit Facility.

Borrowings under the Credit Facility, at the Company’s option, bear interest at a defined base rate or the LIBOR
rate plus, in each case, an applicable margin based upon the Company’s leverage ratio as defined in the related
credit agreement (the “Credit Agreement”). Rates would increase upon negative changes in specified Company
financial metrics and would decrease to no less than LIBOR plus 1.0% or base rate plus 0.0% upon reduction in
the current total leverage ratio. As of October 3, 2015, the borrowing rate under the Credit Agreement was
LIBOR plus 1.125% (or 1.329%). As of October 3, 2015, the $75.0 million of outstanding debt under the Credit
Facility is effectively at a fixed interest rate as a result of a $75.0 million notional amount of interest rate swap
contracts discussed in Note 5, “Derivatives and Fair Value Measurements,” in Notes to Consolidated Financial
Statements. The Company is required to pay an annual commitment fee on the unused revolver credit
commitment based on the Company’s leverage ratio; the fee was 0.175% as of October 3, 2015.

The financial covenants (as defined under the Credit Agreement) require, among other covenants, that the
Company maintain, as of each fiscal quarter end, a maximum total leverage ratio and a minimum interest
coverage ratio. As of October 3, 2015, the Company was in compliance with all financial covenants of the Credit
Agreement.

In fiscal 2011, Plexus entered into a note purchase agreement (the “Note Purchase Agreement”) related to the
$175.0 million in principal amount of the Company’s 5.20% Senior Notes, due on June 15, 2018 (the “Notes”).
The Note Purchase Agreement contains certain financial covenants, which include a maximum total leverage
ratio, a minimum interest coverage ratio and a minimum net worth test, all as defined in the agreements. As of
October 3, 2015, the Company was in compliance with all such covenants relating to the Notes and the Note
Purchase Agreement.

The Credit Agreement and the Note Purchase Agreement allow for the future payment of cash dividends or the
repurchase of shares provided that no event of default (including any failure to comply with a financial covenant)
exists at the time of, or would be caused by, the dividend payment or the share repurchases. We have not paid
cash dividends in the past and do not currently anticipate paying them in the future. However, we evaluate from
time to time potential uses of excess cash, which in the future may include share repurchases above those already
authorized, a special dividend or recurring dividends.

Based on current expectations, we believe that our projected cash flows from operations, available cash and cash
equivalents, potential borrowings under the Credit Facility, and our leasing capabilities, should be sufficient to
meet our working capital and fixed capital requirements for the next twelve months. If our future financing needs
increase, we may need to arrange additional debt or equity financing. Accordingly, we evaluate and consider
from time to time various financing alternatives to supplement our financial resources. However, we cannot be
assured that we will be able to make any such arrangements on acceptable terms.

38

CONTRACTUAL OBLIGATIONS, COMMITMENTS AND OFF-BALANCE SHEET OBLIGATIONS

Our disclosures regarding contractual obligations and commercial commitments are located in various parts of
our regulatory filings. Information in the following table provides a summary of our contractual obligations and
commercial commitments as of October 3, 2015 (dollars in millions):

Payments Due by Fiscal Year

Contractual Obligations

Total

2016

2017-2018

2019-2020

Long-Term Debt Obligations (1,2)
Capital Lease Obligations
Operating Lease Obligations
Purchase Obligations (3)
Other Long-Term Liabilities on the Balance Sheet (4)
Other Long-Term Liabilities not on the Balance Sheet (5)
Other financing obligations (6)

$278.4
4.6
27.0
434.3
8.9
7.6
14.3

$ 10.1
3.6
7.6
428.5
0.6
3.9
1.4

$192.5
1.0
10.3
5.8
0.7
1.5
3.0

Total Contractual Cash Obligations

$775.1

$455.7

$214.8

$75.8
—
6.5
—
0.3
1.4
3.2

$87.2

2021 and
thereafter

$ —
—
2.6
—
7.3
0.8
6.7

$17.4

1)

2)

Includes amounts outstanding under the Credit Facility. As of October 3, 2015, the outstanding balance was
$75.0 million. The amounts listed above include interest; see Note 4 in Notes to Consolidated Financial
Statements for further information.

Includes $175.0 million in principal amount of Notes. The amounts listed above include interest; see Note 4
in Notes to Consolidated Financial Statements for further information.

3) As of October 3, 2015, purchase obligations consist of purchases of inventory and equipment in the ordinary

course of business.

4) As of October 3, 2015, other long-term obligations on the balance sheet included deferred compensation
obligations to certain of our former and current executive officers, as well as other key employees, and an
asset retirement obligation. We have excluded from the above table the impact of approximately $2.4
million, as of October 3, 2015, related to unrecognized income tax benefits. The Company cannot make
reliable estimates of the future cash flows by period related to these obligations.

5) As of October 3, 2015, other long-term obligations not on the balance sheet consisted of guarantees and a
commitment for salary continuation and certain benefits in the event employment of one executive officer of
the Company is terminated without cause. Excluded from the amounts disclosed are certain bonus and
incentive compensation amounts, which would be paid on a prorated basis in the year of termination.

6)

Includes future minimum payments under the base lease agreement in Guadalajara, Mexico. Excludes $20.3
million of future minimum payments under renewal options from 2025 through 2034. See Note 3 in Notes
to Consolidated Financial Statements for further information.

DISCLOSURE ABOUT CRITICAL ACCOUNTING ESTIMATES

Our accounting policies are disclosed in Note 1 of Notes to the Consolidated Financial Statements. During fiscal
2015, there were no material changes to these policies. Our more critical accounting estimates are described
below:

Revenue – Net sales from manufacturing services are recognized when the product has been shipped, the risk of
ownership has transferred to the customer, the price to the buyer is fixed or determinable, and recoverability is
reasonably assured. This point depends on contractual terms and generally occurs upon shipment of the goods
from Plexus. Generally, there are no formal customer acceptance requirements or further obligations related to
manufacturing services; if such requirements or obligations exist, then a sale is recognized at the time when such
requirements are completed and such obligations fulfilled.

39

Sales are recorded net of estimated returns of manufactured product based on management’s analysis of
historical rates of returns, current economic trends and changes in customer demand. Net sales also include
amounts billed to customers for shipping and handling, if applicable. The corresponding shipping and handling
costs are included in cost of sales.

Net sales from engineering design and development services, which are generally performed under contracts with
durations of twelve months or less, are typically recognized as costs are incurred utilizing the proportional
performance model. The completed performance model is used if certain customer acceptance criteria exist. Any
losses are recognized when anticipated.

Income Taxes - The Company accounts for income taxes in accordance with ASC 740. Deferred tax assets and
liabilities are recognized for the future tax consequences attributable to differences between financial statement
carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit
carryforwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to
taxable income in the years in which those temporary differences are expected to be recovered or settled. The
Company does not currently provide for additional U.S. and foreign income taxes which would become payable
upon repatriation of undistributed earnings of certain foreign subsidiaries. The Company maintains valuation
allowances when it is more likely than not that all or a portion of a deferred tax asset will not be realized. In
determining whether a valuation allowance is required, the Company takes into account such factors as prior
earnings history, expected future earnings, carryback and carryforward periods, and tax strategies that could
potentially enhance the likelihood of realization of a deferred tax asset.

Stock-Based Compensation – The Financial Accounting Standard Board (“FASB”) requires all share-based
payments to employees, including grants of employee stock options, to be measured at fair value and expensed in
the consolidated statements of comprehensive income over the service period (generally the vesting period) of
the grant. We used the modified prospective application, under which compensation expense is only recognized
in the consolidated statements of comprehensive income beginning with the first period that we adopted the
FASB regulation and continuing to be expensed thereafter. We use the Black-Scholes valuation model to value
stock options and the Monte Carlo valuation model to value performance stock units. See Note 9, “Benefit
Plans,” in Notes to Consolidated Financial Statements for further information.

NEW ACCOUNTING PRONOUNCEMENTS

See Note 1, “Description of Business and Significant Accounting Policies,” in Notes to Consolidated Financial
Statements regarding recent accounting pronouncements.

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We are exposed to market risk from changes in foreign exchange and interest rates. We selectively use financial
instruments to reduce such risks.

Foreign Currency Risk

We do not use derivative financial instruments for speculative purposes. Our policy is to selectively hedge our
foreign currency denominated transactions in a manner that partially offsets the effects of changes in foreign
currency exchange rates. We typically use foreign currency contracts to hedge only those currency exposures
associated with certain assets and liabilities denominated in non-functional currencies. Corresponding gains and
losses on the underlying transaction generally offset the gains and losses on these foreign currency hedges. Our
international operations create potential foreign exchange risk.

40

Our percentages of transactions denominated in currencies other than the U.S. dollar for fiscal 2015, 2014 and
2013 were as follows:

Net Sales
Total Costs

2015

2014

2013

7%
12%

7%
13%

7%
11%

The Company has evaluated the potential foreign currency exchange rate risk on transactions denominated in
currencies other than the U.S. dollar for the periods presented above. Based on the Company’s overall currency
exposure, as of October 3, 2015, a 10.0 percent change in the value of the U.S. dollar relative to our other
transactional currencies would not have a material effect on the Company’s financial position, results of
operations, or cash flows.

Interest Rate Risk

We have financial instruments, including cash equivalents, which are sensitive to changes in interest rates. We
consider the use of interest rate swaps based on existing market conditions and have entered into interest rate
swaps related to borrowings under our Credit Facility. For more information, refer to Note 5, “Derivatives and
Fair Value Measurements,” in Notes to Consolidated Financial Statements. Interest rate swap agreements are
subject to the further risk that the counterparties to these agreements may fail to comply with their obligations
thereunder.

The primary objective of our investment activities is to preserve principal, while maximizing yields without
significantly increasing market risk. To achieve this, we maintain our portfolio of cash equivalents in a variety of
highly rated securities, money market funds and certificates of deposit, and limit the amount of principal
exposure to any one issuer.

As of October 3, 2015, our only material interest rate risk is associated with our Credit Facility, which had an
outstanding balance of $75 million. As of the end of fiscal 2015, through the use of interest rate swaps, as
described above, we fixed the basis on which we pay interest with a $75 million notional amount of interest rate
swap contracts, and the borrowings under the Notes are based on a fixed interest rate, thus eliminating much of
our interest rate risk.

41

ITEM 8.

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

PLEXUS CORP.
List of Financial Statements and Financial Statement Schedule
October 3, 2015

Contents

Report of Independent Registered Public Accounting Firm

Consolidated Financial Statements:

Consolidated Statements of Comprehensive Income for the fiscal years ended October 3,

2015, September 27, 2014 and September 28, 2013

Consolidated Balance Sheets as of October 3, 2015 and September 27, 2014

Consolidated Statements of Shareholders’ Equity for the fiscal years ended October 3,

2015, September 27, 2014 and September 28, 2013

Consolidated Statements of Cash Flows for the fiscal years ended October 3, 2015, September 27,

2014 and September 28, 2013

Notes to Consolidated Financial Statements

Financial Statement Schedule:

Schedule II - Valuation and Qualifying Accounts for the fiscal years ended October 3,

2015, September 27, 2014 and September 28, 2013

Pages

43

44

45

46

47

48

79

NOTE: All other financial statement schedules are omitted because they are not applicable or the required
information is included in the Consolidated Financial Statements or notes thereto.

42

Report of Independent Registered Public Accounting Firm

To the Shareholders
and Board of Directors
of Plexus Corp.:

In our opinion, the consolidated financial statements listed in the accompanying index present fairly, in all
material respects, the financial position of Plexus Corp. and its subsidiaries at October 3, 2015 and September 27,
2014, and the results of their operations and their cash flows for each of the three years in the period ended
October 3, 2015 in conformity with accounting principles generally accepted in the United States of America. In
addition, in our opinion, the financial statement schedule listed in the accompanying index presents fairly, in all
material respects, the information set forth therein when read in conjunction with the related consolidated
financial statements. Also in our opinion, the Company maintained, in all material respects, effective internal
control over financial reporting as of October 3, 2015, based on criteria established in Internal Control -
Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway
Commission (COSO). The Company’s management is responsible for these financial statements and financial
statement schedule, for maintaining effective internal control over financial reporting and for its assessment of
the effectiveness of internal control over financial reporting, included in Management’s Annual Report on
Internal Control over Financial Reporting appearing under Item 9A. Our responsibility is to express opinions on
these financial statements, on the financial statement schedule, and on the Company’s internal control over
financial reporting based on our integrated 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 audits to obtain reasonable assurance about whether the financial statements are free of material
misstatement and whether effective internal control over financial reporting was maintained in all material
respects. Our audits of the financial statements included examining, on a test basis, evidence supporting the
amounts and disclosures in the financial statements, assessing the accounting principles used and significant
estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal
control over financial reporting included obtaining an understanding of internal control over financial reporting,
assessing the risk that a material weakness exists, and testing and evaluating the design and operating
effectiveness of internal control based on the assessed risk. Our audits also included performing such other
procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable
basis for our opinions.

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 (i) pertain to the maintenance of records that, in reasonable detail,
accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) 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 (iii) 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
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.

limitations,

/s/ PricewaterhouseCoopers LLP
Milwaukee, WI
November 20, 2015

43

PLEXUS CORP. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
for the fiscal years ended October 3, 2015, September 27, 2014 and September 28, 2013
(in thousands, except per share data)

Net sales
Cost of sales

Gross profit

Selling and administrative expenses
Restructuring and impairment charges

Operating income

Other income (expense):
Interest expense
Interest income
Miscellaneous

Income before income taxes

Income tax expense

Net income

Earnings per share:

Basic

Diluted

Weighted average shares outstanding:

Basic

Diluted

Comprehensive income:

Net income
Other comprehensive (loss) income:

Derivative instrument fair value adjustment - net of

income taxes

Foreign currency translation adjustments

Other comprehensive (loss) income

Total comprehensive income

2015

2014

2013

$2,654,290
2,414,740

$2,378,249
2,152,680

$2,228,031
2,014,846

239,550
122,423
1,691

115,436

(13,964)
3,499
1,324

106,295
11,963

94,332

2.81

2.74

33,618

34,379

$

$

$

225,569
113,682
11,280

100,607

(12,295)
2,934
2,079

93,325
6,112

87,213

2.58

2.52

33,785

34,655

$

$

$

213,185
116,562
—

96,623

(12,638)
1,640
(642)

84,983
2,724

82,259

2.40

2.36

34,330

34,892

$

$

$

$

94,332

$

87,213

$

82,259

(11,223)
(13,830)

(25,053)

1,565
(3,220)

(1,655)

(2,701)
6,754

4,053

$

69,279

$

85,558

$

86,312

The accompanying notes are an integral part of these consolidated financial statements.

44

PLEXUS CORP. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
as of October 3, 2015 and September 27, 2014
(in thousands, except per share data)

ASSETS
Current assets:

Cash and cash equivalents
Accounts receivable, net of allowances of $879 and $1,188, respectively
Inventories
Deferred income taxes
Prepaid expenses and other

Total current assets
Property, plant and equipment, net
Deferred income taxes
Other

Total non-current assets

Total assets

LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:

Current portion of long-term debt and capital lease obligations
Accounts payable
Customer deposits
Deferred income taxes
Accrued salaries and wages
Other accrued liabilities

Total current liabilities

Long-term debt and capital lease obligations, net of current portion
Deferred income taxes
Other liabilities

Total non-current liabilities

Total liabilities

Commitments and contingencies
Shareholders’ equity:

2015

2014

$ 357,106
384,680
569,371
10,686
22,882

1,344,725
317,351
3,635
36,677

$ 346,591
324,072
525,970
6,449
27,757

1,230,839
334,926
3,675
39,586

357,663

378,187

$1,702,388

$1,609,026

$

3,513
400,710
81,359
—
49,270
44,446

579,298
259,257
9,664
11,897

280,818

860,116

$

4,368
396,363
56,155
647
52,043
37,739

547,315
262,046
5,191
13,341

280,578

827,893

Preferred stock, $.01 par value, 5,000 shares authorized, none issued or

outstanding

Common stock, $.01 par value, 200,000 shares authorized, 50,554 and 49,962

shares issued, respectively, and 33,500 and 33,653 shares outstanding,
respectively

Additional paid-in capital
Common stock held in treasury, at cost, 17,054 and 16,309 shares,

respectively
Retained earnings
Accumulated other comprehensive (loss) income

Total shareholders’ equity

—

—

506
497,488

500
475,634

(509,968)
860,717
(6,471)

(479,968)
766,385
18,582

842,272

781,133

Total liabilities and shareholders’ equity

$1,702,388

$1,609,026

The accompanying notes are an integral part of these consolidated financial statements.

45

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T

PLEXUS CORP. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
for the fiscal years ended October 3, 2015, September 27, 2014 and September 28, 2013
(in thousands)

Cash flows from operating activities

Net income
Adjustments to reconcile net income to net cash flows from operating activities:

$ 94,332

$ 87,213

$ 82,259

2015

2014

2013

Depreciation
Amortization of intangibles
Loss on sale of property, plant and equipment
Asset impairment charges
Deferred income tax net benefit
Stock-based compensation expense
Changes in operating assets and liabilities:

Accounts receivable
Inventories
Other current and noncurrent assets
Accounts payable
Customer deposits
Other current and noncurrent liabilities

48,378
—
123
—
(597)
13,252

(64,876)
(48,202)
6,702
5,283
25,843
(3,666)

47,261
603
183
3,160
(1,653)
12,970

(19,426)
(122,611)
(1,408)
90,320
(13,130)
4,950

47,410
2,066
104
—
(1,773)
11,782

19,657
55,193
(8,888)
(28,490)
32,712
(4,385)

Cash flows provided by operating activities

76,572

88,432

207,647

Cash flows from investing activities

Payments for property, plant and equipment
Proceeds from sales of property, plant and equipment

Cash flows used in investing activities

Cash flows from financing activities
Borrowings under credit facility
Payments on debt and capital lease obligations
Repurchases of common stock
Proceeds from exercise of stock options
Minimum tax withholding related to vesting of restricted stock

Cash flows used in financing activities

Effect of exchange rate changes on cash and cash equivalents

Net increase in cash and cash equivalents
Cash and cash equivalents:

Beginning of period

End of period

Supplemental disclosure information:
Interest paid

Income taxes paid

(35,076)
407

(65,284)
2,717

(108,122)
873

(34,669)

(62,567)

(107,249)

483,000
(487,811)
(30,000)
11,380
(2,772)

281,000
(285,263)
(30,000)
14,869
(1,565)

30,000
(41,018)
(49,858)
3,778
(350)

(26,203)

(20,959)

(57,448)

(5,185)

10,515

(180)

4,726

1,296

44,246

346,591

341,865

297,619

$ 357,106

$ 346,591

$ 341,865

$ 13,483

$ 12,681

$ 12,898

$ 11,157

$

8,976

$

5,266

The accompanying notes are an integral part of these consolidated financial statements.

47

Plexus Corp.
Notes to Consolidated Financial Statements

1. Description of Business and Significant Accounting Policies

Description of Business: Plexus Corp. and its subsidiaries (together “Plexus” or the “Company,”) participate in
the Electronic Manufacturing Services (“EMS”) industry. Plexus provides integrated product conceptualization,
design, commercialization, manufacturing, fulfillment and sustaining solutions to customers in the Networking/
Communications, Healthcare/Life Sciences, Industrial/Commercial and Defense/Security/Aerospace market
sectors. Plexus is headquartered in Neenah, Wisconsin and has operations in the Americas (“AMER”), Europe,
Middle East, and Africa (“EMEA”) and Asia-Pacific (“APAC”) regions.

Significant Accounting Policies

Consolidation Principles and Basis of Presentation: The consolidated financial statements have been prepared in
accordance with accounting principles generally accepted in the United States of America (“GAAP”) and include
the accounts of Plexus Corp. and its subsidiaries. All significant intercompany transactions have been eliminated.

Certain prior period amounts have been reclassified to conform to the current period presentation.

The Company’s fiscal year ends on the Saturday closest to September 30. The Company also uses a “4-4-5”
weekly accounting system for the interim periods in each quarter. Each quarter, therefore, ends on a Saturday at
the end of the 4-4-5 period. Periodically, an additional week must be added to the fiscal year to re-align with the
Saturday closest to September 30. Fiscal 2015 included 53 weeks, and fiscal 2014 and 2013 each included
52 weeks; the first quarter of fiscal 2015 included 14 weeks and all other fiscal quarters presented included
13 weeks.

The Company’s reportable segments consist of AMER, APAC and EMEA. Refer to Note 11, “Reportable
Segments, Geographic Information and Major Customers,” for further details on reportable segments.

Cash and Cash Equivalents: Cash equivalents include short-term highly liquid investments and are classified as
Level 1 in the fair level hierarchy described below. As of October 3, 2015 and September 27, 2014, cash and
cash equivalents were the following (in thousands):

Cash
Money market funds and other

2015

2014

$179,339
177,767

$150,512
196,079

Total cash and cash equivalents

$357,106

$346,591

Inventories: Inventories are valued at the lower of cost or market. Cost is determined by the first-in, first-out
(“FIFO”) method. Valuing inventories at the lower of cost or market requires the use of estimates and judgment.
Customers may cancel their orders, change production quantities or delay production for a number of reasons
that are beyond the Company’s control. Any of these, or certain additional actions, could impact the valuation of
inventory. Any actions taken by the Company’s customers that could impact the value of its inventory are
considered when determining the lower of cost or market valuations.

In certain instances, in accordance with contractual terms, the Company receives customer deposits to offset
obsolete and excess inventory risks.

48

Plexus Corp.
Notes to Consolidated Financial Statements

Property, Plant and Equipment and Depreciation: Property, plant and equipment is stated at cost and depreciated
using the straight-line method over the estimated useful lives of the respective assets. Estimated useful lives for
major classes of depreciable assets are as follows:

Buildings and improvements
Machinery and equipment
Computer hardware and software

15-50 years
3-10 years
3-10 years

Certain facilities and equipment held under capital leases are classified as property, plant and equipment and
amortized using the straight-line method over the term of the lease and the related obligations are recorded as
liabilities. Amortization of assets held under capital leases is included in depreciation expense (see Note 3,
“Property, Plant and Equipment”) and the financing component of the lease payments is classified as interest
expense. Maintenance and repairs are expensed as incurred.

The Company capitalizes significant costs incurred in the acquisition or development of software for internal use.
This includes costs of the software, consulting services and compensation costs for employees directly involved
in developing internal use computer software.

Impairment of Long-Lived Assets: Long-lived assets, including property, plant and equipment and intangible
assets with finite lives are reviewed for impairment and written down to fair value when facts and circumstances
indicate that the carrying value of long-lived assets or asset groups may not be recoverable through estimated
future undiscounted cash flows. If an impairment has occurred, a write-down to estimated fair value is made and
the impairment loss is recognized as a charge against current operations. The impairment analysis is based on
management’s assumptions, including future revenue and cash flow projections. Circumstances that may lead to
impairment of property, plant and equipment and intangible assets with finite lives include reduced expectations
for future performance or industry demand and possible further restructurings, among others.

Revenue Recognition: Net sales from manufacturing services are recognized when the product has been shipped,
the risk of ownership has transferred to the customer, the price to the buyer is fixed or determinable, and
recoverability is reasonably assured. This point depends on contractual
terms and generally occurs upon
shipment of the goods from Plexus. Generally, there are no formal customer acceptance requirements or further
obligations related to manufacturing services; if such requirements or obligations exist, then a sale is recognized
at the time when such requirements are completed and such obligations are fulfilled.

Sales are recorded net of estimated returns of manufactured products based on management’s analysis of
historical returns, current economic trends and changes in customer demand. Net sales also include amounts
billed to customers for shipping and handling. The corresponding shipping and handling costs are included in
cost of sales.

Net sales from engineering design and development services, which are generally performed under contracts with
a duration of twelve months or less, are typically recognized as program costs are incurred utilizing the
proportional performance model. The completed performance model is used if certain customer acceptance
criteria exist. Any losses are recognized when anticipated. Net sales from engineering design and development
services were less than 5.0 percent of consolidated net sales for each of fiscal 2015, 2014 and 2013.

Income Taxes: The Company accounts for income taxes in accordance with ASC Topic 740, “Income Taxes”
(“ASC 740”). Deferred tax assets and liabilities are recognized for the future tax consequences attributable to
differences between the financial statement carrying amounts of existing assets and liabilities and their respective
tax bases and operating loss and tax credit carryforwards. Deferred tax assets and liabilities are measured using

49

Plexus Corp.
Notes to Consolidated Financial Statements

enacted tax rates expected to apply to taxable income in the years in which those temporary differences are
expected to be recovered or settled. The Company does not currently provide for additional U.S. and foreign
income taxes that would become payable upon the repatriation of undistributed earnings of certain foreign
subsidiaries. The Company maintains valuation allowances when it is more likely than not that all or a portion of
a deferred tax asset will not be realized. In determining whether a valuation allowance is required, the Company
takes into account such factors as prior earnings history, expected future earnings, carryback and carryforward
periods, and tax strategies that could potentially enhance the likelihood of the realization of a deferred tax asset.

Foreign Currency Translation: The Company translates assets and liabilities of subsidiaries operating outside of
the U.S. with a functional currency other than the U.S. dollar into U.S. dollars using exchange rates in effect at
the relevant balance sheet date and net sales, expenses and cash flows at the average exchange rates during the
respective periods. Adjustments resulting from translation of the financial statements are recorded as a
component of “Accumulated other comprehensive (loss) income.” Exchange gains and losses arising from
transactions denominated in a currency other than the functional currency of the entity involved and
remeasurement adjustments for foreign operations where the U.S. dollar is the functional currency are included
in our Consolidated Statements of Comprehensive Income as a component of miscellaneous income (expense).
Exchange gains (losses) on foreign currency transactions were $1.3 million, $(0.1) million, and $(1.2) million for
fiscal 2015, 2014 and 2013, respectively. These amounts include the amount of gain (loss) recognized in income
during each fiscal year due to non-designated forward currency exchange contracts the Company entered into
during each respective year. Refer to Note 5, “Derivatives and Fair Value Measurements,” for further details on
derivatives.

Derivatives: All derivatives are recognized on the balance sheet at fair value. The Company periodically enters
into forward currency exchange contracts and interest rate swaps. On the date a derivative contract is entered
into, the Company designates the derivative as a hedge of a recognized asset or liability (a “non-designated”
hedge), a hedge of a forecasted transaction or of the variability of cash flows to be received or paid related to a
recognized asset or liability (a “cash flow” hedge), or a hedge of the net investment in a foreign operation. The
Company does not enter into derivatives for speculative purposes. Changes in the fair value of a derivative that
qualifies as a non-designated hedge are recorded in earnings as are the gains or losses related to the hedged asset
or liability. Changes in the fair value of a derivative that qualifies as a cash flow hedge are recorded in
“Accumulated other comprehensive (loss) income” within shareholders’ equity, until earnings are affected by the
variability of cash flows. Changes in the fair value of a derivative used to hedge the net investment in a foreign
operation are recorded in “Accumulated other comprehensive (loss) income” within shareholders’ equity. The
Company’s interest rate swaps and certain forward currency exchange contracts are treated as cash flow hedges
therefore, $(11.2) million, $1.6 million and $(2.7) million were recorded in “Accumulated other
and,
comprehensive (loss) income” for fiscal 2015, 2014 and 2013, respectively.

Grants from Government Authorities: Grants from governments are recognized at their fair value where there is
reasonable assurance that the grant funds will be received and the Company will comply with all attached
conditions to the grant. Government grants relating to property, plant and equipment are recorded as an offset to
the carrying value of the related assets at the time of capitalization. Government grants relating to other costs
incurred are recognized as an offset to those related costs, for which the grants are intended to compensate for, at
the time they are recognized.

Earnings Per Share: The computation of basic earnings per common share is based upon the weighted average
number of common shares outstanding and net income. The computation of diluted earnings per common share
reflects additional dilution from share-based awards, excluding any with an antidilutive effect.

50

Plexus Corp.
Notes to Consolidated Financial Statements

Stock-based Compensation: The Company measures all share-based payments to employees, including grants of
employee stock options, at fair value and expenses them in the Consolidated Statements of Comprehensive
Income over the service period (generally the vesting period) of the grant.

Comprehensive (Loss) Income: The Company follows the established standards for reporting comprehensive (loss)
income, which is defined as the changes in equity of an enterprise except those resulting from shareholder transactions.

Accumulated other comprehensive (loss) income consists of the following as of October 3, 2015 and
September 27, 2014 (in thousands):

Foreign currency translation adjustments
Cumulative change in fair value of derivative instruments, net of tax

Accumulated other comprehensive (loss) income

2015

2014

$ 2,398
(8,869)

$(6,471)

$16,228
2,354

$18,582

Refer to Note 5, “Derivatives and Fair Value Measurements,” for further explanation regarding the change in fair
value of derivative instruments, net of tax adjustments, that is recorded to “Accumulated other comprehensive
(loss) income.”

Use of Estimates: The preparation of financial statements in conformity with GAAP requires management to
make estimates and assumptions that affect the amounts reported in the financial statements and accompanying
notes. Actual results could differ from those estimates.

Fair Value of Financial Instruments: The Company holds financial instruments consisting of cash and cash
equivalents, accounts receivable, certain deferred compensation assets held under trust arrangements, accounts
payable, debt, and derivatives. The carrying values of cash and cash equivalents, accounts receivable, accounts
payable, and capital lease obligations as reported in the consolidated financial statements approximate fair value.
Derivatives and certain deferred compensation assets held under a trust and a rabbi trust arrangement are
recorded at fair value. Accounts receivable are reflected at net realizable value based on anticipated losses due to
potentially uncollectible balances. Anticipated losses are based on management’s analysis of historical losses and
changes in customers’ credit status. The fair value of the Company’s long-term debt was $250.2 million and
$247.5 million as of October 3, 2015 and September 27, 2014, respectively. The Company uses quoted market
prices when available or discounted cash flows to calculate fair value. If measured at fair value in the financial
statements, long-term debt (including the current portion) would be classified as Level 2 in the fair value
hierarchy described below. The fair values of the Company’s derivatives are disclosed in Note 5, “Derivatives
and Fair Value Measurements.” The fair values of the deferred compensation assets held under a trust and a rabbi
trust arrangement are discussed in Note 9, “Benefit Plans.”

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (or
exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between
market participants on the measurement date. Valuation techniques used to measure fair value must maximize the
use of observable inputs and minimize the use of unobservable inputs. The accounting guidance establishes a fair
value hierarchy based on three levels of inputs that may be used to measure fair value. The input levels are:

Level 1: Quoted (observable) market prices in active markets for identical assets or liabilities.

Level 2: Inputs other than Level 1 that are observable, such as quoted prices for similar assets or liabilities;
quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by
observable market data for substantially the full term of the asset or liability.

Level 3: Unobservable inputs that are supported by little or no market activity and that are significant to the fair
value of the asset or liability.

51

Plexus Corp.
Notes to Consolidated Financial Statements

instruments

that potentially subject

Business and Credit Concentrations: Financial
the Company to
trade accounts receivable and derivative
concentrations of credit risk consist of cash, cash equivalents,
instruments, specifically related to counterparties. In accordance with the Company’s investment policy, the
Company’s cash, cash equivalents and derivative instruments were placed with recognized financial institutions.
The Company’s investment policy limits the amount of credit exposure in any one issue and the maturity date of
the investment securities that typically comprise investment grade short-term debt instruments. Concentrations of
credit risk in accounts receivable resulting from sales to major customers are discussed in Note 11, “Reportable
Segments, Geographic Information and Major Customers.” The Company, at times, requires cash deposits for
services performed. The Company also closely monitors extensions of credit.

New Accounting Pronouncements: In July 2015, the FASB issued amended guidance to simplify the subsequent
measurement of inventory measured using first-in, first-out or average cost. The new standard replaces the
current lower of cost or market test with a lower of cost and net realizable value test. Under the guidance issued,
market could be replacement cost, net realizable value or net realizable value less an approximately normal profit
margin. Net realizable value is the estimated selling price in the ordinary course of business, less reasonably
predictable costs of completion, disposal and transportation. This guidance should be applied on a prospective
basis and is effective for fiscal years and interim periods within those fiscal years beginning after December 15,
2016, and interim periods within fiscal years beginning after December 15, 2017, with early adoption permitted.
The Company is currently in the process of assessing the impact the new standard may have on its Consolidated
Financial Statements.

In April 2015, the Financial Accounting Standards Board (“FASB”) issued an amendment that requires debt
issuance costs related to a recognized debt liability to be presented in the balance sheet as a direct deduction from
the carrying amount of that debt
the
recognition and measurement of debt issuance costs is not affected. This guidance is effective for annual periods
beginning on or after December 15, 2015. The adoption of this guidance is not expected to have a material
impact on the Company’s Consolidated Financial Statements.

liability, consistent with debt discounts. Under the new guidance,

In May 2014, the FASB issued amended guidance for revenue recognition. The standard’s core principle is that a
company will recognize revenue when it transfers promised goods or services to customers in an amount that
reflects the consideration to which the company expects to be entitled in exchange for those goods or services. In
doing so, companies will need to use more judgment and make more estimates than under current guidance. This
may include identifying performance obligations in the contract, estimating the amount of variable consideration
to include in the transaction price and allocating the transaction price to each separate performance obligation. In
July 2015 the FASB approved a one-year deferral of the standard. The new standard will become effective
retrospectively for the Company for the fiscal first quarter of 2019, with early adoption permitted, but not before
the original effective date (fiscal first quarter of 2018). The Company is currently in the process of evaluating the
impact of the adoption of this guidance on its Consolidated Financial Statements.

In April 2014, the FASB issued final guidance that changes the criteria for a disposal to qualify as a discontinued
operation and requires new disclosures of both discontinued operations and certain other disposals that do not
meet the definition of a discontinued operation. The revised guidance defines a discontinued operation as (1) a
component of an entity or group of components that has been disposed of by sale, disposed of other than by sale
or is classified as held for sale that represents a strategic shift that has or will have a major effect on an entity’s
operations and financial results or (2) an acquired business or nonprofit activity that is classified as held for sale
on the date of acquisition. The guidance does not change the presentation requirements for discontinued
operations in the statement where net income is presented but does require the reclassification of assets and
liabilities of a discontinued operation in the statement of financial position for all prior periods presented. The
guidance is effective prospectively for all disposals (or classifications as held for sale) of components of an entity

52

Plexus Corp.
Notes to Consolidated Financial Statements

that occur within annual periods beginning on or after December 15, 2014, and interim periods within those
years, and for all businesses that, on acquisition, are classified as held for sale that occur within annual periods
beginning on or after December 15, 2014, and interim periods within those years. Early adoption is permitted, but
only for disposals (or classifications as held for sale) that have not been reported in previously issued financial
statements. The adoption of this guidance is not expected to have a material impact on the Company’s
Consolidated Financial Statements.

2. Inventories

Inventories as of October 3, 2015 and September 27, 2014 consisted of the following (in thousands):

Raw materials
Work-in-process
Finished goods

Total inventories

2015

2014

$407,637
84,472
77,262

$371,641
76,531
77,798

$569,371

$525,970

In certain circumstances, per contractual terms, customer deposits are received by the Company to offset obsolete
and excess inventory risks. The total amount of customer deposits related to inventory and included within
current liabilities on the accompanying Consolidated Balance Sheets as of October 3, 2015 and September 27,
2014 was $64.3 million and $51.0 million, respectively.

3. Property, Plant and Equipment

Property, plant and equipment as of October 3, 2015 and September 27, 2014 consisted of the following (in
thousands):

Land, buildings and improvements
Machinery and equipment
Computer hardware and software
Construction in progress

Total property, plant and equipment, gross

Less: accumulated depreciation

2015

2014

$ 278,637
334,257
102,763
9,175

$ 283,569
331,981
95,780
9,694

724,832
(407,481)

721,024
(386,098)

Total property, plant and equipment, net

$ 317,351

$ 334,926

Assets held under capital leases and included in property, plant and equipment as of October 3, 2015 and
September 27, 2014 consisted of the following (in thousands):

Buildings and improvements
Machinery and equipment

Total property, plant and equipment held under capital leases, gross

Less: accumulated amortization

2015

2014

$ 22,953
3,757

26,710
(22,201)

$ 23,141
3,669

26,810
(19,405)

Total property, plant and equipment held under capital leases, net

$ 4,509

$ 7,405

53

Plexus Corp.
Notes to Consolidated Financial Statements

The building and improvements category in the above table includes a leased manufacturing facility in San
Diego, California, which is no longer used by the Company and has been subleased. This facility is recorded at
the net present value of the sublease income, net of expected cash outflows associated with the subleases. The net
book value of the San Diego facility is reduced on a monthly basis by the amortization of the sublease cash
receipts, net of certain cash outflows associated with the subleases. As of October 3, 2015 and September 27,
2014, the net book value of the San Diego facility was approximately $1.9 million and $4.3 million, respectively.
The lease on the San Diego facility expires during fiscal 2016.

Amortization of assets held under capital leases totaled $0.5 million, $0.6 million and $0.6 million for fiscal
2015, 2014 and 2013, respectively. Capital lease additions totaled $1.2 million, $1.4 million, and $1.4 million for
fiscal 2015, 2014 and 2013, respectively.

As of October 3, 2015, September 27, 2014 and September 28, 2013, accounts payable included approximately
$2.7 million, $7.0 million and $10.9 million, respectively, related to the purchase of property, plant and
equipment, which have been treated as non-cash transactions for purposes of the Consolidated Statements of
Cash Flows.

The Company’s lease agreement for the building shell and land of its facility in Guadalajara, Mexico, includes a
ten-year base lease term that commenced upon the completion of construction during the fourth quarter of fiscal
2014, with two five-year renewal options. This lease did not qualify as a sale-leaseback transaction, and was
accounted for as a non-cash financing transaction. Since the Company believes that it will exercise both renewal
options, the lease is being accounted for using a 20 year lease term.

During the third quarter of fiscal 2014, the Company capitalized the building shell as a non-cash financing
obligation of approximately $8.0 million, which will be increased by interest expense and land rent expense, and
reduced by contractual payments. As of October 3, 2015 and September 27, 2014, the balance of the related
financing obligation totaled $8.2 million and $8.0 million, respectively. The Company capitalized related
leasehold improvements of $1.4 million and $16.2 million during fiscal 2015 and 2014, respectively, which are
included in “Property, plant and equipment” in the Consolidated Balance Sheets and depreciated accordingly. At
the end of the 20-year lease term, the net book value of the assets will approximate the balance of the financing
obligation. If the Company does not exercise both renewal options or exercises the first but not the second, it
would record a loss related to the disposal of the underlying assets in operating results of $4.1 million in fiscal
2024 or $0.8 million in fiscal 2029, respectively.

The future minimum payments under the ten-year base lease agreement, as well as the two five-year renewal
options, are as follows (in thousands):

$ 1,440
1,476
1,513
1,550
1,589
6,746

$14,314

9,451

$10,870

2016
2017
2018
2019
2020
2021 through 2024

2025 through 2029

2030 through 2034

54

Plexus Corp.
Notes to Consolidated Financial Statements

4. Debt, Capital Lease Obligations and Other Financing

Debt and capital lease obligations as of October 3, 2015 and September 27, 2014, consisted of the following (in
thousands):

Borrowings under the credit facility
5.20% Senior notes, due June 15, 2018
Non-cash financing of leased facility
Capital lease obligations

Total obligations
Less: current portion

2015

2014

$ 75,000
175,000
8,210
4,560

$ 75,000
175,000
8,000
8,414

262,770
(3,513)

266,414
(4,368)

Long-term debt and capital lease obligations, net of current portion

$259,257

$262,046

The Company’s weighted average interest rate on capital lease obligations was 7.59% and 7.43% as of
October 3, 2015 and September 27, 2014, respectively.

The aggregate scheduled maturities of the Company’s debt obligations as of October 3, 2015, are as follows (in
thousands):

2016
2017
2018
2019
2020
Thereafter

Total

$ —
—
175,000
75,000
—
—

$250,000

The aggregate scheduled maturities of the Company’s obligations under capital leases (excluding capital lease
payments related to the Guadalajara plant disclosed in Note 3, “Property, Plant and Equipment”) as of October 3,
2015, are as follows (in thousands):

2016
2017
2018
2019
2020
Thereafter

Total

$3,513
1,023
24
—
—
—

$4,560

The Company has a $235.0 million senior unsecured revolving credit facility with a termination date of May 15,
2019 (the “Credit Facility”). In October 2015, subsequent to fiscal 2015 year end, $30.0 million of an accordion
feature thereunder was exercised, increasing the maximum commitment under the Credit Facility to $265.0
million. The Credit Facility may potentially be increased to $335.0 million, generally by mutual agreement of the
Company and the lenders, subject to certain customary conditions. During fiscal 2015, the highest daily
borrowing was $207.0 million, the average daily borrowings were $147.8 million, and the Company borrowed
and repaid $483.0 million of revolving borrowings under the Credit Facility.

55

Plexus Corp.
Notes to Consolidated Financial Statements

The financial covenants (as defined under the related Credit Agreement) require that the Company maintain, as
of each fiscal quarter end, a maximum total leverage ratio and a minimum interest coverage ratio. As of
October 3, 2015, the Company was in compliance with all financial covenants of the Credit Agreement.
Borrowings under the Credit Facility, at the Company’s option, bear interest at a defined base rate or the LIBOR
rate plus, in each case, an applicable margin based upon the Company’s leverage ratio as defined in the Credit
Agreement. Rates would increase upon negative changes in specified Company financial metrics and would
decrease to no less than LIBOR plus 1.0% or base rate plus 0.0% upon reduction in the current total leverage
ratio. As of October 3, 2015, the borrowing rate under the Credit Agreement was LIBOR plus 1.125% (or
1.329%). As of October 3, 2015, the $75.0 million of outstanding debt under the Credit Facility is effectively at a
fixed interest rate as a result of a $75.0 million notional amount of interest rate swap contracts discussed in
Note 5, “Derivatives and Fair Value Measurements.” The Company is required to pay an annual commitment fee
on the unused revolver credit commitment based on the Company’s leverage ratio; the fee was 0.175% as of
October 3, 2015.

In the third quarter of fiscal 2014, the Company incurred approximately $0.2 million in new debt issuance costs
in connection with an amendment to the Credit Facility. These costs, along with the remaining unamortized
portion of the $0.9 million in new debt issuance costs the Company incurred in fiscal 2012, are being amortized
over the five -year term of the Credit Facility. Origination fees and expenses associated with the accordion
exercise in fiscal 2016 totaled $0.1 million and will also be amortized over the remaining Credit Facility term.

The Company also has outstanding 5.20% Senior Notes, due on June 15, 2018 (the “Notes”). As of October 3,
2015 and September 27, 2014, $175.0 million was outstanding, and the Company was in compliance with all
financial covenants relating to the Notes, which are generally consistent with those in the Credit Agreement
discussed above.

In the third quarter of fiscal 2014, the Company capitalized certain leased property, plant and equipment related
to footprint expansion in Guadalajara, for which the Company had direct involvement in construction and will
have ongoing involvement subsequent to the completion of construction. This resulted in a non-cash financing
transaction of approximately $8.2 million and $8.0 million, and is reflected in long-term debt and capital lease
obligations on the accompanying Consolidated Balance Sheets as of October 3, 2015 and September 27, 2014,
respectively. Refer to Note 3, “Property, Plant and Equipment” for additional disclosures related to the
Guadalajara facility.

5. Derivatives and Fair Value Measurements

All derivatives are recognized in the accompanying Consolidated Balance Sheets at their estimated fair value.
The Company uses derivatives to manage the variability of foreign currency obligations and interest rates. The
Company has cash flow hedges related to variable rate debt and forecasted foreign currency obligations, in
addition to non-designated hedges to manage foreign currency exposures associated with certain foreign currency
denominated assets and liabilities. The Company does not enter into derivatives for speculative purposes.
Changes in the fair value of the derivatives that qualify as cash flow hedges are recorded in “Accumulated other
comprehensive (loss) income” in the accompanying Consolidated Balance Sheets until earnings are affected by
the variability of the cash flows. In the next twelve months, the Company estimates that $9.4 million of
unrealized losses, net of tax, related to foreign exchange contracts will be reclassified from other comprehensive
income into earnings. Changes in the fair value of the derivatives related to recognized foreign currency
denominated assets and liabilities are recorded in “Other income (expense)” in the accompanying Consolidated
Statements of Comprehensive Income.

The Company enters into forward currency exchange contracts on a rolling basis. The Company had cash flow
hedges outstanding with a notional value of $67.0 million as of October 3, 2015 and a notional value of

56

Plexus Corp.
Notes to Consolidated Financial Statements

$64.6 million as of September 27, 2014. These forward currency contracts fix the exchange rates for the
settlement of future foreign currency obligations that have yet to be realized. The total fair value of the forward
currency exchange contracts was a $9.4 million liability as of October 3, 2015 and an $0.8 million asset as of
September 27, 2014.

The Company had no additional forward currency exchange contracts outstanding as of October 3, 2015. As of
September 27, 2014, the Company had additional forward currency exchange contracts outstanding with a
notional value of $37.9 million. The Company did not designate these derivative instruments as hedging
instruments. The net settlement amount (fair value) related to these contracts is recorded on the Consolidated
Balance Sheets as either a current or long-term asset or liability, depending on the term, and as an element of
other income (expense). The total fair value of these derivatives was a $1.5 million asset as of September 27,
2014.

In 2013, the Company entered into a $75.0 million notional amount interest rate swap contract which expires on
May 5, 2017, related to $75.0 million in borrowings under the Company’s Credit Facility. This interest rate swap
pays the Company variable interest at the one month LIBOR rate, and the Company pays the counterparty a fixed
interest rate. The fixed interest rate for the contract is 0.875%. Based on the terms of the interest rate swap
contract and the underlying borrowings outstanding under the Credit Facility, the interest rate contract was
determined to be effective, and thus qualifies as a cash flow hedge. As such, any changes in the fair value of the
interest rate swap are recorded in “Accumulated other comprehensive (loss) income” on the accompanying
Consolidated Balance Sheets until earnings are affected by the variability of cash flows. The total fair value of
the interest rate swap contract as of October 3, 2015 was a $0.5 million liability and a $0.2 million asset as of
September 27, 2014. The notional amount of the Company’s interest rate swap was $75.0 million as of both
October 3, 2015 and September 27, 2014.

The Company entered into three interest rate swap contracts related to term loans under a prior credit facility that
had an initial total notional value of $150.0 million and matured on April 4, 2013, which resulted in a $2.0 million
discrete tax benefit in fiscal 2013. The fixed interest rates for each of these contracts were 4.415%, 4.490% and
4.435%, respectively. These interest rate swap contracts were originally entered into to effectively fix $150.0
million of variable rate term loans under the prior credit facility into fixed rate debt. Based on the terms of the
interest rate swap contracts and the underlying debt, these interest rate contracts were determined to be effective,
and thus qualified as a cash flow hedge. As such, any changes in the fair value of these interest rate swaps were
recorded in “Accumulated other comprehensive (loss) income” on the accompanying Consolidated Balance Sheets
until earnings were affected by the variability of cash flows.

The tables below present information regarding the fair values of derivative instruments (as defined in Note 1,
“Description of Business and Significant Accounting Policies”) and the effects of derivative instruments on the
Company’s Consolidated Financial Statements:

In thousands of dollars

Fair Values of Derivative Instruments

Asset Derivatives

Liability Derivatives

Derivatives designated
as hedging instruments

Interest rate swaps

Forward contracts

Balance Sheet
Classification

Prepaid expenses
and other
Prepaid expenses
and other

October 3,
2015

September 27,
2014

Fair Value

Fair Value

$—

$—

$182

$812

57

October 3,
2015

September 27,
2014

Fair Value

Fair Value

$ 497

$9,408

$—

$—

Balance Sheet
Classification

Current liabilities –
Other
Current liabilities –
Other

Plexus Corp.
Notes to Consolidated Financial Statements

In thousands of dollars

Fair Values of Derivative Instruments

Asset Derivatives

Liability Derivatives

Derivatives not designated
as hedging instruments

Balance Sheet
Classification

Forward contracts

Prepaid expenses
and other

October 3,
2015

September 27,
2014

Fair Value

Fair Value

$—

$1,512

October 3,
2015

September 27,
2014

Fair Value

Fair Value

$—

$—

Balance Sheet
Classification

Current liabilities –
Other

Derivative Impact on Accumulated Other Comprehensive (Loss) Income for the Twelve Months Ended

In thousands of dollars

Derivatives in Cash Flow Hedging Relationships

Interest rate swaps
Forward contracts
Treasury Rate Locks
Income tax expense

Amount of Gain or (Loss) Recognized in Other Comprehensive
Income (“OCI”) on Derivatives (Effective Portion)

October 3,
2015

$ (1,258)
(15,660)
—
$ —

September 27,
2014

September 28,
2013

$ (393)
1,198
—
$ —

$

961
(1,389)
—
$ —

In thousands of dollars

Derivative Impact on Gain (Loss) Recognized in Income for the Twelve Months Ended

Derivatives in Cash Flow Hedging
Relationships

Classification of Gain or (Loss)
Reclassified from Accumulated OCI
into Income (Effective Portion)

Amount of Gain or (Loss) Reclassified from
Accumulated OCI into Income (Effective Portion)

October 3,
2015

September 27,
2014

September 28,
2013

Interest rate swaps
Forward contracts
Forward contracts
Treasury Rate Locks
Income tax expense

Interest income
Selling and administrative expenses
Cost of goods sold
Interest expense
Income tax expense

$ (579)
(597)
(4,843)
324
$ —

$(542)
(106)
(503)
321
$ 70

$ (788)
70
639
321
$2,031

There were no gains or losses recognized in income for derivatives related to ineffective portions and amounts
excluded from effectiveness testing for fiscal years 2015, 2014 and 2013.

The following table lists the fair values of assets/(liabilities) of the Company’s derivatives as of October 3, 2015,
by input level as defined in Note 1, “Description of Business and Significant Accounting Policies”:

Fiscal year ended October 3, 2015

Level 1

Level 2

Level 3

Total

Fair Value Measurements Using Input Levels Asset/
(Liability) (in thousands):

Derivatives

Interest rate swaps
Forward currency forward contracts

Fiscal year ended September 27, 2014
Derivatives

Interest rate swaps
Forward currency forward contracts

$—
$—

$—
$—

$ (497)
$(9,408)

$
182
$ 2,324

$—
$—

$—
$—

$ (497)
$(9,408)

$
182
$ 2,324

58

Plexus Corp.
Notes to Consolidated Financial Statements

The fair value of interest rate swaps and foreign currency forward contracts is determined using a market
approach, which includes obtaining directly or indirectly observable values from third parties active in the
relevant markets. The primary input in the fair value of the interest rate swaps is the relevant LIBOR forward
curve. Inputs in the fair value of the foreign currency forward contracts include prevailing forward and spot
prices for currency and interest rate forward curves.

6. Income Taxes

The domestic and foreign components of income (loss) before income tax expense for fiscal 2015, 2014 and
2013 were as follows (in thousands):

U.S.
Foreign

2015

2014

2013

$ (32,480)
138,775

$ (12,473)
105,798

$ (8,406)
93,389

$106,295

$ 93,325

$84,983

Income tax expense (benefit) for fiscal 2015, 2014 and 2013 were as follows (in thousands):

Current:

Federal
State
Foreign

Deferred:

Federal
State
Foreign

2015

2014

2013

$ —
(397)
12,957

12,560

—
(399)
(198)

(597)

$ (2,050)
(332)
10,147

7,765

(1,506)
—
(147)

(1,653)

$

408
—
4,089

4,497

(3,702)
(42)
1,971

(1,773)

$11,963

$ 6,112

$ 2,724

The following is a reconciliation of the federal statutory income tax rate to the effective income tax rates
reflected in the Consolidated Statements of Comprehensive Income for fiscal 2015, 2014 and 2013:

Federal statutory income tax rate
Increase (decrease) resulting from:
Permanent differences
Foreign tax rate differences
Valuation allowances
Other, net

Effective income tax rate

2015

2014

2013

35.0%

35.0%

35.0%

1.3
(38.0)
16.5
(3.5)

1.8
(33.2)
8.4
(5.5)

(0.1)
(34.4)
5.8
(3.1)

11.3%

6.5%

3.2%

The Company recorded income tax expense of $12.0 million, $6.1 million and $2.7 million for fiscal 2015, 2014
and 2013, respectively.

59

Plexus Corp.
Notes to Consolidated Financial Statements

The effective tax rate for fiscal 2015 is higher than that of fiscal 2014 primarily as a result of the geographic
distribution of worldwide earnings and tax benefits recorded in fiscal 2014 due to the lapse of statute of
limitations related to certain U.S. tax examinations. The effective tax rate for fiscal 2014 was higher than that of
fiscal 2013 primarily as a result of geographic distribution of worldwide earnings.

During fiscal 2015, the Company recorded a $17.5 million addition to its valuation allowance relating to
continuing losses in certain jurisdictions within the AMER and EMEA regions. As of October 3, 2015, using the
measurement criteria found in ASC 740, the Company believes that the positive evidence does not outweigh the
negative and the valuation allowance should remain in place.

During fiscal 2014, the Company recorded a $7.9 million addition to its valuation allowance related to continuing
losses in certain jurisdictions within the AMER and EMEA regions. During fiscal 2014, the Company also
recorded tax benefits of $3.8 million primarily due to the lapse of statute of limitations related to certain U.S. tax
examinations during the fiscal year.

During fiscal 2013, the Company recorded a $7.0 million addition to its valuation allowance, of which
$5.2 million related to continuing losses in certain jurisdictions within the AMER and EMEA regions. During
fiscal 2013, the Company performed an analysis of all available evidence, both positive and negative, regarding
the need for a valuation allowance against its U.K. deferred tax assets, consistent with the provisions of
ASC 740. Accordingly, the Company established an additional $1.8 million valuation allowance against the
U.K. deferred tax assets. During fiscal 2013 the Company also identified and recorded several out-of-period tax
errors that reduced tax expense by $3.2 million. The Company believes these out-of-period tax errors were not
material to the fiscal 2013, or previously issued, financial statements.

The components of the net deferred income tax assets as of October 3, 2015 and September 27, 2014, were as
follows (in thousands):

Deferred income tax assets:

Loss/credit carryforwards
Goodwill
Inventories
Accrued benefits
Allowance for bad debts
Other

Total gross deferred income tax assets
Less valuation allowances

Deferred income tax assets

Deferred income tax liabilities:

Property, plant and equipment
Other

Deferred income tax liabilities

2015

2014

$ 39,380
49
7,799
25,180
321
3,675

76,404
(58,343)

18,061

13,320
84

13,404

$ 17,356
541
5,468
23,754
343
3,165

50,627
(41,935)

8,692

4,322
84

4,406

Net deferred income tax assets

$ 4,657

$ 4,286

During fiscal 2015, the Company’s valuation allowance increased by $16.4 million. This increase is the result of
increases to the valuation allowances against the net deferred tax assets in the AMER region of $14.4 million and
in the EMEA region of $2.0 million.

60

Plexus Corp.
Notes to Consolidated Financial Statements

As of October 3, 2015, the Company had approximately $118.3 million of pre-tax state net operating loss
carryforwards that expire between fiscal 2016 and 2036. These state net operating losses have a full valuation
allowance against them.

As a result of using the with-and-without method under the requirements for accounting for stock-based
compensation, the Company has an unrecognized net operating loss carryforward of $4.8 million related to tax
deductions in excess of compensation expense for stock options. This deduction will remain unrecognized until
such time as the related deductions actually reduce income taxes payable.

During the fiscal year ended October 3, 2015, tax legislation was adopted in various jurisdictions. None of these
changes are expected to have a material impact on the Company’s consolidated financial condition, results of
operations or cash flows.

The Company has been granted a tax holiday for a foreign subsidiary in the APAC region. This tax holiday will
expire on December 31, 2024, and is subject to certain conditions with which the Company expects to comply.
The Company benefited from a second tax holiday within the APAC region, which under the terms of the
Company’s agreement with the local taxing authority expired on December 31, 2013. During fiscal 2015, 2014
and 2013, these tax holidays resulted in tax reductions of approximately $29.9 million ($0.89 per basic share),
$24.1 million ($0.71 per basic share) and $22.7 million ($0.66 per basic share), respectively.

The Company does not provide for taxes that would be payable if undistributed earnings of foreign subsidiaries
were remitted because the Company considers these earnings to be permanently reinvested. The aggregate
undistributed earnings of the Company’s foreign subsidiaries for which a deferred income tax liability has not
been recorded was approximately $825.7 million as of October 3, 2015. If such earnings were repatriated,
additional tax expense may result, although the calculation of such additional taxes is not practicable at this time.

The Company has approximately $2.4 million of uncertain tax benefits as of October 3, 2015. The Company has
classified these amounts in the Consolidated Balance Sheets as “Other liabilities” (noncurrent) in the amount of
$0.6 million and an offset to “Deferred income tax” (noncurrent asset) in the amount of $1.8 million. The
Company has classified these amounts as “Other liabilities” (noncurrent) and “Deferred income taxes”
(noncurrent asset) to the extent that payment is not anticipated within one year. The following is a reconciliation
of the beginning and ending amounts of unrecognized income tax benefits (in thousands):

Balance at September 28, 2013

Gross increases for tax positions of prior years
Gross increases for tax positions of the current year
Gross decreases for tax positions of prior years
Lapse of applicable statute of limitations
Settlements

Balance at September 27, 2014

Gross increases for tax positions of prior years
Gross increases for tax positions of the current year
Gross decreases for tax positions of prior years
Lapse of applicable statute of limitations
Settlements

Balance at October 3, 2015

$7,436
324
—
1,582
3,810
—

$2,368
73

—

88

—
—

$2,353

Approximately $0.6 million and $1.1 million of the balance as of October 3, 2015 and September 27, 2014,
respectively, would reduce the Company’s effective tax rate if recognized.

61

Plexus Corp.
Notes to Consolidated Financial Statements

The Company recognizes accrued interest and penalties related to unrecognized tax benefits in income tax
expense. The total accrued penalties and net accrued interest with respect to income taxes was approximately
$0.2 million, $0.2 million, and $1.1 million as of October 3, 2015, September 27, 2014 and September 28, 2013,
respectively. The Company recognized $0.1 million of expense for accrued penalties and net accrued interest in
the Consolidated Statements of Comprehensive Income for the fiscal year ended October 3, 2015.

It is possible that a number of uncertain tax positions related to federal and state tax positions may be settled
within the next 12 months. Settlement of these matters is not expected to have a material effect on the
Company’s consolidated results of operations, financial position and cash flows. The Company is not currently
under examination by taxing authorities in the U.S. or foreign jurisdictions in which the Company operates. The
Company is not aware of any material proposed adjustment that has not been reflected in the current financial
statements.

The Company files income tax returns, including returns for its subsidiaries, with federal, state, local and foreign
taxing jurisdictions. The following tax years remain subject
to examination by the respective major tax
jurisdictions:

Jurisdiction

China
Germany
Mexico
Romania
United Kingdom
United States
Federal
State

Fiscal Years

2010-2015
2010-2015
2010-2015
2010-2015
2011-2015

2011-2015
2003-2015

7. Earnings Per Share

The following is a reconciliation of the amounts utilized in the computation of basic and diluted earnings per
share for fiscal 2015, 2014 and 2013 (in thousands, except per share amounts):

Net income

2015

2014

2013

$ 94,332

$ 87,213

$ 82,259

Basic weighted average common shares outstanding
Dilutive effect of share-based awards outstanding

Diluted weighted average shares outstanding

33,618
761

34,379

33,785
870

34,655

34,330
562

34,892

Earnings per share:

Basic

Diluted

$

$

2.81

2.74

$

$

2.58

2.52

$

$

2.40

2.36

In fiscal 2015, 2014 and 2013, share-based awards for approximately 0.7 million, 0.5 million and 1.9 million
shares, respectively, were not included in the computation of diluted earnings per share as they were antidilutive.

Outstanding shares have decreased in recent years as a result of the Company’s stock repurchase programs. Refer
to Note 13, “Shareholders’ Equity” for further information on the Company’s stock repurchase programs.

62

Plexus Corp.
Notes to Consolidated Financial Statements

8. Operating Lease Commitments

The Company has a number of operating lease agreements primarily involving manufacturing facilities,
manufacturing equipment and computerized design equipment. These leases are non-cancelable and expire on
various dates through 2021, and many contain renewal and/or purchase options. Rent expense under all operating
leases for fiscal 2015, 2014 and 2013 was approximately $14.4 million, $15.1 million and $15.7 million,
respectively.

Future minimum annual payments on operating leases are as follows (in thousands):

2016
2017
2018
2019
2020
Thereafter

Total future minimum operating lease payments

$ 7,632
6,363
3,938
3,317
3,238
2,557

$27,045

9. Benefit Plans

401(k) Savings Plan: The Company’s 401(k) Retirement Plan covers all eligible U.S. employees. The Company
matches employee contributions up to 4.0 percent of eligible earnings. The Company’s contributions for fiscal
2015, 2014 and 2013 totaled $8.2 million, $7.2 million and $6.6 million, respectively.

Stock-based Compensation Plans: The Plexus Corp. 2008 Long-Term Incentive Plan (the “2008 Plan”) is a
stock-based, shareholder-approved incentive plan for officers, key employees and directors. The 2008 Plan
includes provisions by which the Company may grant stock-based awards, including stock options, stock
appreciation rights (“SARs”), restricted stock, restricted stock units (“RSUs”), unrestricted stock awards and
performance stock awards (including awards that may be designated as performance stock units (“PSUs”)), in
addition to cash incentive awards, to directors, executive officers and other officers and key employees. The
maximum number of shares of Plexus common stock which may be issued pursuant to the 2008 Plan is
5.5 million shares; in addition, cash incentive awards of up to $4.0 million per employee may be granted
annually. The exercise price of each stock option and SAR granted must not be less than the fair market value on
the date of grant. The Compensation and Leadership Development Committee (the “Committee”) of the Board of
Directors may establish a term and vesting period for awards under the 2008 Plan as well as accelerate the
vesting of such awards. Generally, stock options vest in two annual installments and have a term of ten years.
SARs vest in two annual installments and have a term of seven years. RSUs granted to executive officers, other
officers and key employees fully vest on the third anniversary of the grant date (assuming continued
employment), which is also the date as of which the underlying shares will be issued. Vesting of PSUs is
dependent on the relative performance of the Company’s stock price as compared to the companies in the Russell
3000 Index in the three-year performance period. The Committee also grants RSUs to non-employee directors,
which generally fully vest on the first anniversary of the grant date, which is also the date the underlying shares
are issued (unless further deferred). Options issued to the members of the Board of Directors in fiscal 2013
vested immediately on the date of grant.

The 2008 Plan replaced the shareholder-approved 2005 Equity Incentive Plan (the “2005 Plan”). Outstanding
awards under the 2005 Plan continue until exercise, expiration or forfeiture.

Individual stock option and SARs grants are determined annually, but granted on a quarterly basis. Grants of
RSUs and PSUs are generally made only on an annual basis.

63

Plexus Corp.
Notes to Consolidated Financial Statements

In fiscal 2015, the Company granted options to purchase 0.1 million shares of the Company’s common stock and
0.1 million stock-settled SARs. Additionally, the Company granted RSUs for 0.2 million shares of common stock
and PSUs for 0.1 million shares (at target).

In fiscal 2014, the Company granted options to purchase 0.2 million shares of the Company’s common stock and
0.1 million stock-settled SARs. Additionally, the Company granted RSUs for 0.2 million shares of common stock
and awards of PSUs for 0.1 million shares (at target).

In fiscal 2013, the Company granted options to purchase 0.4 million shares of the Company’s common stock and
0.1 million stock-settled SARs. Additionally, the Company granted RSUs for 0.3 million shares of common
stock.

The Company recognized $13.3 million, $13.0 million and $11.8 million of compensation expense associated
with share-based awards in fiscal 2015, 2014 and 2013, respectively. No deferred tax benefits related to equity
awards were recognized in fiscal 2015, 2014 or 2013.

A summary of the Company’s stock option and SAR activity follows:

Number of
Options/SARs
(in thousands)

Weighted
Average Exercise
Price

Aggregate
Intrinsic Value
(in thousands)

Outstanding as of September 29, 2012

Granted
Canceled
Exercised

Outstanding as of September 28, 2013

Granted
Canceled
Exercised

Outstanding as of September 27, 2014

Granted
Canceled
Exercised

Outstanding as of October 3, 2015

3,071
515
(141)
(380)

3,065
318
(105)
(1,008)

2,270
221
(25)
(549)

1,917

$28.86
27.66
25.48
22.00

$29.27
41.39
32.44
27.41

$31.65
39.53
36.50
28.93

$33.27

$11,191

Number of
Options/SARs
(in thousands)

Weighted
Average Exercise
Price

Weighted Average
Remaining Life
(years)

Aggregate
Intrinsic Value
(in thousands)

Exercisable as of:

September 28, 2013

September 27, 2014

October 3, 2015

2,375

1,772

1,560

$29.49

$30.45

$31.67

4.73

$11,145

64

Plexus Corp.
Notes to Consolidated Financial Statements

The following table summarizes outstanding stock option and SAR information as of October 3, 2015 (Options/
SARs in thousands):

Range of
Exercise Prices

$14.17 - $21.25
$21.26 - $31.89
$31.90 - $44.48

$14.17 - $44.48

Number of
Options/SARs
Outstanding
(in thousands)

69
843
1,004

1,917

Weighted
Average
Exercise Price

Weighted Average
Remaining Life
(years)

$18.29
$27.38
$39.25

$33.27

3.01
5.05
5.94

5.42

Number of
Options/SARs
Exercisable
(in thousands)

69
843
647

1,560

Weighted
Average
Exercise Price

$18.29
$27.38
$38.68

$31.67

The Company uses the Black-Scholes valuation model to value options and SARs. The Company used its
historical stock prices as the basis for its volatility assumptions. The assumed risk-free rates were based on U.S.
Treasury rates in effect at the time of grant with a term consistent with the expected option and SAR lives. The
expected options and SARs lives represent the period of time that the options and SARs granted are expected to
be outstanding and were based on historical experience.

The weighted average fair value per share of options and SARs granted for fiscal 2015, 2014 and 2013 were
$14.55, $15.78 and $11.88, respectively. The fair value of each option and SAR grant was estimated at the date
of grant using the Black-Scholes option-pricing model based on the assumption ranges below:

Expected life (years)
Risk-free interest rate
Expected volatility
Dividend yield

2015

2014

2013

4.50 - 5.70
1.52 - 1.64%
37 - 38%
—

4.50 - 5.00
1.24 - 1.86%
38 - 47%
—

4.40 - 5.00
0.57 - 2.71%
45 - 51%
—

The fair value of options and SARs vested for fiscal 2015, 2014 and 2013 was $5.5 million, $6.1 million and
$7.3 million, respectively.

For fiscal 2015, 2014 and 2013, the total intrinsic value of options and SARs exercised was $7.7 million,
$13.5 million and $4.3 million, respectively.

As of October 3, 2015, there was $3.4 million of unrecognized compensation cost related to non-vested options
and SARs that is expected to be recognized over a weighted average period of 1.9 years.

65

Plexus Corp.
Notes to Consolidated Financial Statements

A summary of the Company’s PSU and RSU activity follows:

Number of
Shares
(in thousands)

Weighted
Average Fair
Value at Date of
Grant

Aggregate
Intrinsic Value
(in thousands)

Units outstanding as of September 29, 2012

Granted
Canceled
Vested

Units outstanding as of September 28, 2013

Granted
Canceled
Vested

Units outstanding as of September 27, 2014

Granted
Canceled
Vested

Units outstanding as of October 3, 2015

466
329
(47)
(94)

654
302
(92)
(134)

730
325
(43)
(216)

796

$31.78
26.16
31.26
26.59

$29.73
40.76
31.89
41.06

$31.97
41.46
35.15
37.52

$38.18

$30,231

The Company uses the fair value at the date of grant to value RSUs. As of October 3, 2015, there was
$12.2 million of unrecognized compensation cost related to RSUs that is expected to be recognized over a
weighted average period of 1.6 years.

The Company uses the Monte Carlo valuation model to determine the fair value of PSUs at the date of grant. The
PSUs are payable in shares and vest based on the relative total shareholder return of the Company’s common
stock as compared to the Russell 3000 Index over a three year performance period. The number of shares that
may be issued pursuant to PSUs ranges from zero to 0.2 million. The Company recognizes stock-based
compensation expense over the PSUs’ vesting period. No PSUs vested during the fiscal year ended October 3,
2015. There were 0.1 million PSUs granted during both fiscal 2015 and 2014, and no PSUs were granted during
fiscal 2013.

As of October 3, 2015, there was $2.8 million of unrecognized compensation cost related to PSUs that is
expected to be recognized over a weighted average period of 2.0 years.

Deferred Compensation Arrangements: The Company has agreements with certain former executive officers to
provide nonqualified deferred compensation. Under these agreements, the Company agrees to pay these former
executives, or their designated beneficiaries upon such executives’ deaths, certain amounts annually for the first
15 years subsequent to their retirement. As of October 3, 2015 and September 27, 2014, the related deferred
compensation liability associated with these arrangements totaled $1.3 million and $2.0 million, respectively.

The Company maintains investments in a trust account
to fund required payments under the deferred
compensation plan. As of October 3, 2015 and September 27, 2014, the total value of the assets held by the trust
totaled $8.9 million and $8.5 million, respectively, and were recorded at fair value on a recurring basis. These
assets were classified as Level 2 in the fair value hierarchy discussed in Note 1, “Description of Business and
Significant Accounting Policies.” During fiscal 2015, 2014 and 2013, the Company made payments to the
participants in the amount of $0.9 million, $0.8 million and $0.8 million, respectively.

66

Plexus Corp.
Notes to Consolidated Financial Statements

Supplemental Executive Retirement Plan: The Company also maintains a supplemental executive retirement plan
(the “SERP”) as an additional deferred compensation plan for executive officers. Under the SERP, a covered
executive may elect to defer some or all of the participant’s compensation into the plan, and the Company may
credit the participant’s account with a discretionary employer contribution. Participants are entitled to payment of
deferred amounts and any related earnings upon termination or retirement from Plexus.

The SERP operates under a rabbi trust arrangement (the “Trust”). The Trust allows investment of deferred
compensation held on behalf of the participants into individual accounts and, within these accounts, into one or
more designated investments. Investment choices do not include Plexus stock. During fiscal 2015, 2014 and
2013, the Company made contributions to the participants’ SERP accounts in the amount of $0.5 million,
$0.7 million and $0.4 million, respectively.

As of October 3, 2015 and September 27, 2014, the SERP assets held in the Trust totaled $8.3 million and
$10.9 million, respectively, and the related liability to the participants totaled approximately $6.9 million and
$6.6 million as of October 3, 2015 and September 27, 2014, respectively. As of October 3, 2015 and
September 27, 2014, the SERP assets held in the Trust were recorded at fair value on a recurring basis, and were
classified as Level 2 in the fair value hierarchy discussed in Note 1, “Description of Business and Significant
Accounting Policies.”

The Trust assets are subject to the claims of the Company’s creditors. The deferred compensation and Trust
assets and the related liabilities to the participants are included in non-current “Other assets” and non-current
“Other liabilities,” respectively, in the accompanying Consolidated Balance Sheets.

Other: The Company currently does not, and is not obligated to, provide any postretirement medical or life
insurance benefits to employees.

10. Litigation

The Company is party to lawsuits in the ordinary course of business. Management does not believe that these
proceedings, individually or in the aggregate, will have a material positive or adverse effect on the Company’s
consolidated financial position, results of operations or cash flows.

11. Reportable Segments, Geographic Information and Major Customers

Reportable segments are defined as components of an enterprise about which separate financial information is
available that is evaluated regularly by the chief operating decision maker, or group, in assessing performance
and allocating resources. The Company uses an internal management reporting system, which provides important
financial data to evaluate performance and allocate the Company’s resources on a regional basis. Net sales for the
segments are attributed to the region in which the product is manufactured or the service is performed. The
services provided, manufacturing processes used, class of customers serviced and order fulfillment processes
used are similar and generally interchangeable across the segments. A segment’s performance is evaluated based
upon its operating income (loss). A segment’s operating income (loss) includes its net sales less cost of sales and
selling and administrative expenses, but excludes corporate and other expenses. Corporate and other expenses
primarily represent corporate selling and administrative expenses, and restructuring and impairment charges, if
any. These costs are not allocated to the segments, as management excludes such costs when assessing the
performance of the segments. Inter-segment transactions are generally recorded at amounts that approximate
arm’s length transactions. The accounting policies for the segments are the same as for the Company taken as a
whole.

67

Plexus Corp.
Notes to Consolidated Financial Statements

Information about the Company’s three reportable segments for fiscal 2015, 2014 and 2013 is as follows (in
thousands):

Income before income taxes

$ 106,295

Net sales:

AMER
APAC
EMEA
Elimination of inter-segment sales

Operating income (loss):

AMER
APAC
EMEA
Corporate and other costs

Other income (expense):
Interest expense
Interest income
Miscellaneous

Depreciation:

AMER
APAC
EMEA
Corporate

Capital expenditures:

AMER
APAC
EMEA
Corporate

Total assets:
AMER
APAC
EMEA
Corporate and eliminations

2015

2014

2013

$1,389,017
1,285,905
140,292
(160,924)

$1,238,225
1,132,503
115,893
(108,372)

$1,062,758
1,146,299
122,566
(103,592)

$2,654,290

$2,378,249

$2,228,031

$

68,585
160,217
(8,129)
(105,237)

$

79,211
135,539
(11,923)
(102,220)

$

70,863
116,350
(3,096)
(87,494)

$ 115,436

$ 100,607

$

96,623

(13,964)
3,499
1,324

$

$

$

17,753
18,176
8,339
4,110

48,378

17,595
9,590
6,976
915

$

$

$

$

(12,295)
2,934
2,079

93,325

16,452
20,587
7,509
2,713

47,261

53,135
4,096
6,351
1,702

$

$

$

$

(12,638)
1,640
(642)

84,983

13,474
23,560
4,644
5,732

47,410

60,507
12,345
30,836
4,434

$

35,076

$

65,284

$ 108,122

October 3,
2015

September 27,
2014

$ 573,437
1,011,622
128,306
(10,977)

$ 521,259
881,426
135,841
70,500

$1,702,388

$1,609,026

68

Plexus Corp.
Notes to Consolidated Financial Statements

The following information is provided in accordance with the required segment disclosures for fiscal 2015, 2014
and 2013. Net sales to unaffiliated customers were based on the Company’s location providing product or
services (in thousands):

Net sales:

United States
Malaysia
China
Mexico
United Kingdom
Romania
Germany
Elimination of inter-segment sales

2015

2014

2013

$1,303,106
926,059
359,846
85,911
70,335
65,338
4,619
(160,924)

$1,188,068
798,447
334,056
50,157
72,443
39,030
4,420
(108,372)

$1,004,153
877,748
268,551
58,605
81,657
38,117
2,792
(103,592)

$2,654,290

$2,378,249

$2,228,031

Long-lived assets:

October 3,
2015

September 27,
2014

United States
Malaysia
China
Mexico
United Kingdom
Romania
Germany
Other Foreign
Corporate

$101,712
72,327
24,236
39,002
11,506
30,553
405
4,689
32,921

$317,351

$116,900
73,568
29,909
33,671
14,211
33,549
507
5,280
27,331

$334,926

As the Company operates flexible manufacturing facilities and processes designed to accommodate customers
with multiple product lines and configurations, it is impracticable to report net sales for individual products or
services or groups of similar products and services.

Long-lived assets as of October 3, 2015 and September 27, 2014 exclude other long-term assets and deferred
income tax assets, which totaled $40.3 million and $43.3 million, respectively.

As a percentage of consolidated net sales, net sales attributable to customers representing 10.0 percent or more of
consolidated net sales for fiscal 2015, 2014 and 2013 were as follows:

2015

2014

2013

*
ARRIS Group, Inc. (“Arris”)
*
General Electric Company (“GE”)
Juniper Networks, Inc. (“Juniper”)
12.8%
* Net sales attributable to the customer were less than 10.0 percent of consolidated net sales

12.6%
10.6%
*

12.5%
11.2%
*

for the period.

During fiscal 2015 and 2014, net sales attributable to Arris were reported in the AMER and APAC segments, and
net sales attributable to GE were reported in all three segments. Net sales attributable to Juniper, which has
disengaged from Plexus, were reported in the AMER and APAC segments.

No customer represented 10.0 percent or more of total accounts receivable as of October 3, 2015 or September 27,
2014.

69

Plexus Corp.
Notes to Consolidated Financial Statements

12. Guarantees

The Company offers certain indemnifications under its customer manufacturing agreements. In the normal course
of business, the Company may from time to time be obligated to indemnify its customers or its customers’
customers against damages or liabilities arising out of the Company’s negligence, misconduct, breach of
contract, or infringement of third party intellectual property rights. Certain agreements have extended broader
indemnification, and while most agreements have contractual limits, some do not. However, the Company
generally does not provide for such indemnities and seeks indemnification from its customers for damages or
liabilities arising out of the Company’s adherence to customers’ specifications or designs or use of materials
furnished, or directed to be used, by its customers. The Company does not believe its obligations under such
indemnities are material.

In the normal course of business, the Company also provides its customers a limited warranty covering
workmanship, and in some cases materials, on products manufactured by the Company. Such warranty generally
provides that products will be free from defects in the Company’s workmanship and meet mutually agreed-upon
specifications for periods generally ranging from 12 months to 24 months. If a product fails to comply with the
Company’s limited warranty, the Company’s obligation is generally limited to correcting, at its expense, any
defect by repairing or replacing such defective product. The Company’s warranty generally excludes defects
resulting from faulty customer-supplied components, design defects or damage caused by any party or cause
other than the Company.

The Company provides for an estimate of costs that may be incurred under its limited warranty at the time
product revenue is recognized and establishes additional reserves for specifically identified product issues. These
costs primarily include labor and materials, as necessary, associated with repair or replacement and are included
in the Company’s accompanying Consolidated Balance Sheets in “other current accrued liabilities.” The primary
factors that affect the Company’s warranty liability include the value and the number of shipped units and
historical and anticipated rates of warranty claims. As these factors are impacted by actual experience and future
expectations, the Company assesses the adequacy of its recorded warranty liabilities and adjusts the amounts as
necessary.

Below is a table summarizing the activity related to the Company’s limited warranty liability for the fiscal years
2015 and 2014 (in thousands):

Limited warranty liability, as of September 28, 2013

Accruals for warranties issued during the period
Settlements (in cash or in kind) during the period

Limited warranty liability, as of September 27, 2014

Accruals for warranties issued during the period
Settlements (in cash or in kind) during the period

Limited warranty liability, as of October 3, 2015

$ 5,942
4,331
(3,470)

6,803
1,742
(2,698)

$ 5,847

13. Shareholders’ Equity

On August 20, 2015, the Board of Directors authorized a stock repurchase program under which the Company is
authorized to repurchase up to $30.0 million of its common stock during fiscal 2016. The Company expects to
complete this program on a relatively consistent basis during fiscal 2016.

On August 13, 2014, the Board of Directors authorized a stock repurchase program under which the Company
was authorized to repurchase up to $30.0 million of its common stock during fiscal 2015. The Company

70

Plexus Corp.
Notes to Consolidated Financial Statements

repurchased 745,227 shares under this program for $30.0 million, at an average price of $40.26 per share, during
fiscal 2015. These shares were recorded as treasury stock.

On August 19, 2013, the Board of Directors authorized a stock repurchase program under which the Company
was authorized to repurchase up to $30.0 million of its common stock during fiscal 2014. The Company
repurchased 733,447 shares under this program for $30.0 million, at an average price of $40.90 per share, during
fiscal 2014. These shares were recorded as treasury stock.

Pursuant to the Company’s Rights Agreement, each preferred share purchase right (a “Right”) entitles the
registered holder to purchase from the Company one one-hundredth of a share of the Company’s Series B Junior
Participating Preferred Stock, $0.01 par value per share (“Preferred Share”), at a price of $125.00 per one one-
hundredth of a Preferred Share, subject to adjustment. The Rights are exercisable only if a person or group
acquires beneficial ownership of more than 20.0% of the Company’s outstanding common stock or commences,
or announces an intention to make, a tender offer or exchange offer that would result in such person or group
acquiring the beneficial ownership of more than 20.0% of the Company’s common stock. The Rights expire on
August 28, 2018, subject to extension.

14. Trade Accounts Receivable Sale Program

In connection with a trade accounts receivable sale program with an unaffiliated financial
institution,
the Company may elect to sell, at a discount, designated pools of trade accounts receivable without recourse in
exchange for cash. Proceeds from the transfer reflect the face value of the receivables less a discount. The
discount is recorded as a loss in “other expense” in the Consolidated Statements of Comprehensive Income in the
period of the sale.

The Company sold $93.1 million, $69.8 million and $52.8 million of trade accounts receivable during fiscal
years 2015, 2014 and 2013, respectively, and in exchange, received cash proceeds of $92.4 million, $69.3 million
and $52.2 million, respectively. The resulting discount on the sales of trade accounts receivables sold under this
agreement for fiscal years 2015, 2014 and 2013 were not material, and were recorded in “other expense” within
the Consolidated Statements of Comprehensive Income.

15. Restructuring and Impairment Charges

During fiscal 2015 and 2014, the Company recorded $1.7 million and $11.3 million of restructuring and
impairment charges. The charges were incurred in the AMER segment and largely related to the consolidation of
the Company’s manufacturing facilities in Wisconsin and the relocation of manufacturing operations from Juarez
to Guadalajara, Mexico. These charges are recorded within restructuring and impairment charges on the
Consolidated Statements of Comprehensive Income. Restructuring liabilities are recorded within “other accrued
liabilities” on the Consolidated Balance Sheets.

For the year ended October 3, 2015, the Company incurred restructuring costs of $1.7 million, which consisted of
the following:

•

•

$1.6 million of moving and transition costs resulting from the relocation of manufacturing operations
from Juarez to Guadalajara; and

$0.1 million of employee termination and severance costs from the closure of the Company’s facility in
Juarez.

71

Plexus Corp.
Notes to Consolidated Financial Statements

For the year ended September 27, 2014, the Company incurred restructuring and impairment charges of $11.3
million, which consisted of the following:

•

•

•

$3.2 million of fixed asset impairment related to the Company’s facility in Juarez;

$3.2 million of severance from the reduction of the Company’s workforce in Juarez; and

$4.9 million of rent, moving and associated costs resulting from the early exit of operating leases for
two existing facilities and the consolidation of three existing facilities in Wisconsin into the new
manufacturing facility in Neenah, as well as moving and transition costs resulting from the relocation
of manufacturing operations from Juarez to Guadalajara.

As part of the relocation of manufacturing operations from Juarez to Guadalajara, the Company evaluated the
ongoing fair value of the long-lived assets associated with the Juarez facility. Based on this evaluation, the
Company determined that long-lived assets were impaired and therefore recorded $3.2 million of fixed asset
impairment for the year ended September 27, 2014. Fair value was evaluated using Level 3 inputs, as defined in
Note 1, “Description of Business and Significant Accounting Policies.”

No income tax benefit for these restructuring and impairment charges was recognized due to tax losses in these
jurisdictions.

The Company’s restructuring accrual activity for the years ended October 3, 2015 and September 27, 2014 is
included in the table below (in thousands):

Fixed Asset
Impairment

Employee
Termination and
Severance Costs

Lease
Obligations and
Other Exit Costs

Accrual balance, September 28, 2013

Restructuring and impairment charges
Amounts utilized

Accrual balance, September 27, 2014

Restructuring and impairment charges
Amounts utilized

$ —

3,160
(3,160)

$ —

—
—

$ —

3,180
(3,038)

$

142

144
(286)

$ —

4,940
(4,940)

$ —

1,547
(1,547)

Total

$ —

11,280
(11,138)

$

142

1,691
(1,833)

Accrual balance, October 3, 2015

$ —

$ —

$ —

$ —

16. Quarterly Financial Data (Unaudited)

The following is summarized quarterly financial data for fiscal 2015 and 2014 (in thousands, except per share
amounts):

2015

Net sales
Gross profit
Net income
Earnings per share (1):

Basic
Diluted

First
Quarter

Second
Quarter

Third
Quarter

Fourth
Quarter

Total

$664,690
61,414
23,079

$651,285
59,777
23,594

$669,585
59,087
23,794

$668,730
59,272
23,865

$2,654,290
239,550
94,332

$
$

0.69
0.67

$
$

0.70
0.69

$
$

0.71
0.69

$
$

0.71
0.70

$
$

2.81
2.74

72

Plexus Corp.
Notes to Consolidated Financial Statements

2014

Net sales
Gross profit
Net income
Earnings per share:

First
Quarter

Second
Quarter

Third
Quarter

Fourth
Quarter

Total

$533,905
51,502
17,663

$557,616
52,835
18,516

$620,505
58,593
24,584

$666,223
62,639
26,450

$2,378,249
225,569
87,213

Basic
Diluted

2.58
$
2.52
$
(1) The annual total amounts may not equal the sum of the quarterly amounts due to

0.78
0.77

0.52
0.51

0.73
0.71

0.55
0.53

$
$

$
$

$
$

$
$

rounding. Earnings per share is computed independently for each quarter.

17. Subsequent Events

In October 2015, subsequent to fiscal 2015 year end, $30.0 million of an accordion feature under the Credit
Facility was exercised, increasing the maximum commitment under the Credit Facility to $265.0 million. The
Credit Facility may potentially be increased to $335.0 million, generally by mutual agreement of the Company
and the lenders, subject to certain customary conditions.

On November 4, 2015, Plexus announced plans to close its manufacturing facility in Fremont, California
(“Fremont”) as a result of the Company’s optimization of its capacity to align with customer demand due to
changing end-market dynamics. This action was approved by Company management on November 3, 2015.
Plexus expects to incur approximately $3.0 to $5.0 million of restructuring charges as a result of this action by
the end of the third quarter of fiscal 2016, comprised of employee, transition and other facility-related costs. The
restructuring charges remain subject to additional analysis.

The closure of the Fremont facility will affect approximately 200 employees. It is anticipated that existing
customer programs at the Fremont facility will be transferred to other Plexus facilities. Plexus currently expects
that the consolidation efforts related to this action will be complete by the end of the third quarter of fiscal 2016.

73

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

FINANCIAL DISCLOSURE

None.

ITEM 9A. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

The Company maintains disclosure controls and procedures designed to ensure that the information the Company
must disclose in its filings with the Securities and Exchange Commission (“SEC”) is recorded, processed,
summarized and reported on a timely basis. The Company’s Chief Executive Officer (“CEO”) and Chief
Financial Officer (“CFO”) have reviewed and evaluated, with the participation of the Company’s management,
the Company’s disclosure controls and procedures as defined in Rules 13a-15(e) and 15d-15(e) under the
Securities Exchange Act of 1934, as amended (the “Exchange Act”) as of the end of the period covered by this
report (the “Evaluation Date”). Based on such evaluation, the CEO and CFO have concluded that, as of the
Evaluation Date, the Company’s disclosure controls and procedures are effective, at the reasonable assurance
level, (a) in recording, processing, summarizing and reporting, on a timely basis, information required to be
disclosed by the Company in the reports the Company files or submits under the Exchange Act, and (b) in
assuring that information is accumulated and communicated to the Company’s management, including the CEO
and CFO, as appropriate to allow timely decisions regarding required disclosure.

Management’s Annual Report on Internal Control Over Financial Reporting

Management of the Company is responsible for establishing and maintaining adequate internal control over
financial reporting, as such term is defined in Exchange Act Rules 13a-15(f) and 15d-15(f). Management of the
Company, including its CEO and CFO, has assessed the effectiveness of its internal control over financial
reporting as of October 3, 2015, based on the criteria established in “Internal Control—Integrated Framework”
issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”) (2013). Based on
its assessment and those criteria, management has reached the conclusion that the Company’s disclosure controls
and procedures and internal control over financial reporting are effective at the reasonable assurance level.

The independent registered public accounting firm of PricewaterhouseCoopers LLP has audited the Company’s
internal control over financial reporting as of October 3, 2015, as stated in its report included herein.

Changes in Internal Control Over Financial Reporting

There have been no changes in the Company’s internal control over financial reporting (as defined in Rules 13a-
15(f) and 15d-15(f) under the Exchange Act) that occurred during the Company’s most recent fiscal quarter that
have materially affected, or are reasonably likely to materially affect, the Company’s internal control over
financial reporting.

Limitations on the Effectiveness of Controls

Our management, including our CEO and CFO, does not expect that our disclosure controls and internal controls
will prevent all errors and all fraud. A control system, no matter how well conceived and operated, can provide
only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a
control system must reflect the fact that there are resource constraints, and the benefits of controls must be
considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of
controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company
have been detected. These inherent limitations include the realities that judgments in decision-making can be
faulty, and that breakdowns can occur because of simple errors or mistakes. Additionally, controls can be
circumvented by the individual acts of some persons, by collusion of two or more people, or by management

74

override of the control. The design of any system of controls also is based in part upon certain assumptions about
the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated
goals under all potential future conditions; over time, a control may become inadequate because of changes in
conditions, or the degree of compliance with the policies or procedures may deteriorate. Because of the inherent
limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.
Notwithstanding the foregoing limitations on the effectiveness of controls, we have nonetheless reached the
conclusion that the Company’s disclosure controls and procedures and internal control over financial reporting
are effective at the reasonable assurance level.

ITEM 9B. OTHER INFORMATION

None.

75

PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Information in response to this item is incorporated herein by reference to “Election of Directors” and “Corporate
Governance” in the Company’s Proxy Statement for its 2016 Annual Meeting of Shareholders (“2016 Proxy
Statement”).

Our Code of Conduct and Business Ethics is posted on our website at www.plexus.com. You may access the
Code of Conduct and Business Ethics by following the links under “Investor Relations, Corporate Governance”
at our website. Plexus’ Code of Conduct and Business Ethics applies to all members of the board of directors,
officers and employees; and includes provisions related to accounting and financial matters that apply to the
Principal Executive Officer, Principal Financial Officer, Principal Accounting Officer and Controller.

Executive Officers of the Registrant

The following table sets forth our executive officers, their ages and the positions currently held by each person:

Name
Dean A. Foate
Todd P. Kelsey
Patrick J. Jermain
Angelo M. Ninivaggi
Ronnie Darroch
Steven J. Frisch
Yong Jin Lim
Oliver K. Mihm

Position

Age
57 Chairman, President and Chief Executive Officer
50 Executive Vice President and Chief Operating Officer
Senior Vice President and Chief Financial Officer
49
Senior Vice President, Chief Administrative Officer, General Counsel and Secretary
48
50
Senior Vice President - Global Manufacturing Solutions
49 Executive Vice President and Chief Customer Officer
55 Regional President - Plexus APAC
43 Regional President - Plexus EMEA

Dean A. Foate joined Plexus in 1984 and has served as Chairman since 2013, as President and Chief Executive
Officer since 2002, and as a Director since 2000.

Todd P. Kelsey joined Plexus in 1994 and has served as Executive Vice President and Chief Operating Officer
since 2013. Previously, Mr. Kelsey served as Executive Vice President – Global Customer Services since 2011
and as Senior Vice President prior thereto.

Patrick J. Jermain joined Plexus in 2010 and has served as Vice President and Chief Financial Officer since May
2014, he was named Senior Vice President in February 2015. Previously, Mr. Jermain served as Treasurer and
Vice President of Finance since 2013 and as Corporate Controller since 2010. Prior to joining Plexus,
Mr. Jermain served in various positions at Appvion, Inc., formerly Appleton Papers, Inc., since 2006.

Angelo M. Ninivaggi joined Plexus in 2002 and has served as Chief Administrative Officer since 2013.
Mr. Ninivaggi has also served as Vice President, General Counsel and Secretary since 2006 and was named Senior
Vice President in 2011. Mr. Ninivaggi also served as Corporate Compliance Officer from 2007 to August 2013.

Ronnie Darroch joined Plexus in 2012 and has served as Senior Vice President - Global Manufacturing Solutions
since 2014. Previously, Mr. Darroch served as Regional President - Plexus EMEA since 2013 and Vice President
of Operations - EMEA since 2012. Prior to joining Plexus, Mr. Darroch served in various positions at Jabil
Circuit, Inc., an EMS provider, since 1995.

Steven J. Frisch joined Plexus in 1990 and has served as Executive Vice President and Chief Customer Officer
since 2014. Previously, Mr. Frisch served as Executive Vice President—Global Customer Services from 2013 to
2014. Mr. Frisch was Regional President – Plexus EMEA from 2010 to 2013. Mr. Frisch also served as Senior
Vice President – Global Engineering Solutions from 2007 to 2013.

76

Yong Jin Lim joined Plexus in 2002 and has served as Regional President – Plexus APAC since 2007.

Oliver K. Mihm joined Plexus in 2000 and has served as Regional President - Plexus EMEA since July 2015.
Previously, Mr. Mihm served as Market Sector Vice President - Industrial/Commercial from 2014 to 2015,
Senior Vice President - Global Engineering Solutions since from 2013 to 2014, Vice President - Global
Engineering Solutions from 2011 to 2013 and as Vice President of Plexus’ Raleigh, North Carolina Design
Center prior thereto.

ITEM 11. EXECUTIVE COMPENSATION

Incorporated herein by reference to “Corporate Governance – Board Committees – Compensation and
Leadership Development Committee,” “Corporate Governance – Directors’ Compensation,” “Compensation
Discussion and Analysis,” “Executive Compensation” and “Compensation Committee Report” in the 2016 Proxy
Statement.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

AND RELATED STOCKHOLDER MATTERS

Incorporated herein by reference to “Security Ownership of Certain Beneficial Owners and Management” and
“Approval of the Plexus Corp. 2016 Omnibus Incentive Plan - Equity Compensation Plan Information” in the
2016 Proxy Statement.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR

INDEPENDENCE

Incorporated herein by reference to “Corporate Governance – Director
Transactions” in the 2016 Proxy Statement.

Independence” and “Certain

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

Incorporated herein by reference to the subheading “Auditors - Fees and Services” in the 2016 Proxy Statement.

77

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

(a) Documents filed

PART IV

Financial Statements and Financial Statement Schedule. See the list of Financial Statements and Financial
Statement Schedule on page 42.

(b) Exhibits. See Exhibit Index included as the last page of this report, which index is incorporated herein by

reference.

78

Plexus Corp. and Subsidiaries
Schedule II – Valuation and Qualifying Accounts

For the fiscal years ended October 3, 2015, September 27, 2014 and September 28, 2013 (in thousands):

Descriptions

Fiscal Year 2015:
Allowance for losses on accounts receivable (deducted

Balance at
beginning of
period

Additions
charged to
costs and
expenses

Additions
charged to
other

accounts Deductions

Balance at
end
of period

from the asset to which it relates)

$ 1,188

$

581

$—

$ 890*

$

879

Valuation allowance on deferred income tax assets
(deducted from the asset to which it relates)

$41,935

$16,408

$—

$ —

$58,343

Fiscal Year 2014:
Allowance for losses on accounts receivable (deducted

from the asset to which it relates)

$ 1,008

$

513

$—

$ 333*

$ 1,188

Valuation allowance on deferred income tax assets
(deducted from the asset to which it relates)

$34,075

$ 7,860

$—

$ —

$41,935

Fiscal Year 2013:
Allowance for losses on accounts receivable (deducted

from the asset to which it relates)

$ 1,011

$ 1,036

$—

$1,039*

$ 1,008

Valuation allowance on deferred income tax assets
(deducted from the asset to which it relates)

$27,087

$ 6,988

$—

$ —

$34,075

* Amount represents favorable resolution of amounts previously reserved for and amounts written off.

79

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

SIGNATURES

Date: November 20, 2015

Plexus Corp.
Registrant

/s/ Dean A. Foate

Dean A. Foate
Chairman, President and Chief Executive Officer

80

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes
and appoints Dean A. Foate, Patrick J. Jermain and Angelo M. Ninivaggi, and each of them, his or her true and
lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in his or
her name, place and stead, in any and all capacities, to sign any and all amendments to this report, and to file the
same with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange
Commission, and any other regulatory authority, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their substitutes, may
lawfully do or cause to be done by virtue hereof.

Pursuant to the requirement of the Securities Exchange Act of 1934, this report has been signed by the following
persons on behalf of the registrant and in the capacities and on the date indicated.*

SIGNATURE AND TITLE

/s/ Dean A. Foate

Dean A. Foate, Chairman, President and Chief
Executive Officer (Principal Executive Officer)

/s/ Patrick J. Jermain

Patrick J. Jermain, Senior Vice President and Chief
Financial Officer (Principal Financial Officer and
Principal Accounting Officer)

/s/ Ralf R. Böer

Ralf R. Böer, Director

/s/ Stephen P. Cortinovis

Stephen P. Cortinovis, Director

/s/ David J. Drury

David J. Drury, Director

/s/ Joann M. Eisenhart
Joann M. Eisenhart, Director

* Each of the above signatures is affixed as of November 20, 2015.

/s/ Rainer Jueckstock

Rainer Jueckstock, Director

/s/ Peter Kelly

Peter Kelly, Director

/s/ Philip R. Martens

Philip R. Martens, Director

/s/ Michael V. Schrock

Michael V. Schrock, Director

/s/ Mary A. Winston

Mary A. Winston, Director

81

EXHIBIT INDEX

PLEXUS CORP.
Form 10-K for Fiscal Year Ended October 3, 2015

Exhibit

Incorporated By
Reference To

Filed
Herewith

(a) Restated Articles of Incorporation of
Plexus Corp.,
through
August 28, 2008

amended

as

3(i)

to Plexus’ Report

on
Exhibit
Form 10-Q for the quarter ended March 31,
2004

Exhibit No.

3(i)

of Amendment,

(b) Articles
dated
August 28, 2008, to the Restated Articles of
Incorporation

Exhibit 3.1 to Plexus’ Report on Form 8-K
dated August 28, 2008

3(ii)

Amended and Restated Bylaws of Plexus
Corp., adopted May 21, 2015

Exhibit 3.1 to Plexus’ Report on Form 8-K/
A dated May 21, 2015

4.1

4.2

4.3

10.1(a)

Restated Articles of Incorporation of Plexus
Corp., as amended through August 28, 2008

Exhibit 3(i) above

Amended and Restated Bylaws of Plexus
Corp., adopted May 21, 2015

Exhibit 3(ii) above

Rights Agreement, dated as of August 28,
2008, between Plexus Corp. and American
Stock Transfer & Trust Company, LLC

Exhibit 4.1 to Plexus’ Report on Form 8-A
dated August 28, 2008

Credit Agreement, dated as of May 15,
2012, among Plexus Corp. and the banks,
financial institutions and other institutional
lenders listed on the signature pages thereof,
U.S. Bank National Association,
as
administrative agent, PNC Bank, National
Association, as syndication agent, The Bank
of Tokyo-Mitsubishi UFJ, Ltd., HSBC Bank
USA, National Association, RBS Citizens,
N.A. and Wells Fargo Bank, N.A., as co-
and U.S. Bank
documentation agents,
National Association and PNC Capital
Markets LLC, as joint lead arrangers and
joint bookrunners (including the related
subsidiary
“Credit
Agreement”).

guaranty)

(the

Exhibit 10.1 to Plexus’ Report on Form 8-K
dated May 15, 2012

Exhibit 10.1 to Plexus’ Report on Form 8-K
dated May 15, 2014

10.1(b) Omnibus Amendment, dated as of May 15,
2014, by and among Plexus Corp.,
the
lenders listed on the signature pages thereto
and U.S. Bank National Association, as
administrative
the Credit
Agreement (including the related subsidiary
as
guaranty)
amended, is included on Exhibit A-2 to the
Omnibus Amendment).

(the Credit Agreement,

agent,

to

82

10.2

10.3

10.4(a)

Note Purchase Agreement, dated as of April
21, 2011, between Plexus Corp. and the
Purchasers
to
$175,000,000 5.20% Senior Notes, due June
15, 2018

relating

therein

named

Exhibit 10.1 to Plexus’ Report on Form 8-K
dated April 21, 2011

Employment Agreement, dated May 15,
2008, by and between Plexus Corp. and
Dean A. Foate*

Form of Change of Control Agreement with
executive officers (other
than Dean A.
Foate) entered into prior to fiscal 2015*

Exhibit 10.1 to Plexus’ Report on Form 8-K
dated May 15, 2008

Exhibit 10.2 to Plexus’ Report on Form 8-K
dated May 15, 2008

10.4(b) Amended Form of Change of Control
Agreement with executive officers receiving
this agreement beginning in fiscal 2015*

Exhibit 10.4(b)
to Plexus’ Report on
Form 10-K for the year ended September 27,
2014

10.5

Summary of Directors’ Compensation
(11/14)*

to Plexus’ Report on
Exhibit 10.5(a)
Form 10-K for the year ended September 27,
2014

10.6(a)

Plexus
Compensation Plan*

Corp.

Executive

Deferred

10.6(b)

Corp

Executive

Plexus
Deferred
Compensation Plan Trust dated April 1,
2003 between Plexus Corp. and Bankers
Trust Company*

10.7

Plexus Corp. Non-employee Directors
Deferred Compensation Plan*

10.17

Exhibit
Form 10-K for
September 30, 2000

to Plexus’ Report

on
the fiscal year ended

Exhibit
Form 10-K for
September 30, 2003

10.14 to Plexus’ Report

on
the fiscal year ended

10.10

Exhibit
Form 10-K for
September 29, 2012

to Plexus’ Report

on
the fiscal year ended

10.8(a)

Amended and Restated Plexus Corp. 2008
Long-Term Incentive Plan*

Exhibit 10.8(a)
to Plexus’ Report on
Form 10-K for the year ended September 27,
2014

10.8(b)

Forms of award agreements thereunder*

(i) Form of Stock Option Agreement

(ii) Form of Restricted Stock Unit Award

(iii) Form of Stock Appreciation Rights
Agreement

(iv) Form of Unrestricted Stock Award

(v) Form of Plexus Corp. Variable
Incentive Compensation Plan — Plexus
Leadership Team

83

10.2

to Plexus’ Report

Exhibit
on
Form 10-Q for the quarter ended January 2,
2010

Exhibit 10.5(b)
to Plexus’ Report on
Form 10-Q for the quarter ended March 29,
2008

Exhibit 10.5(c)
to Plexus’ Report on
Form 10-Q for the quarter ended March 29,
2008

10.3

to Plexus’ Report

Exhibit
on
Form 10-Q for the quarter ended January 2,
2010

10.1

to Plexus’ Report

on
Exhibit
Form 10-Q for the quarter ended April 2,
2011

10.9(a)

10.9(b)

21

23

24

31.1

31.2

32.1

32.2

99.1

101

(vi) Form of Restricted Stock Unit Award
Agreement for Directors

(vii) Form of Performance Stock Unit
Agreement

Exhibit 10.9(b)(vi) to Plexus’ Report on
Form 10-K for the year ended September 28,
2013

Exhibit 10.9(b)(vii) to Plexus’ Report on
Form 10-K for the year ended September 28,
2013

Amended and Restated Plexus Corp. 2005
Equity Incentive Plan* [superseded]

Exhibit 10.2 to Plexus’ Report on Form 10-
Q for the quarter ended January 3, 2009

Forms of award agreements thereunder*
[superseded]

(i) Form of Option Grant
Employee)

(Officer or

Exhibit 10.1 to Plexus’ Report on Form 8-K
dated April 1, 2005

(ii) Form of Option Grant (Director)

Exhibit 10.2 to Plexus’ Report on Form 8-K
dated November 17, 2005

List of Subsidiaries

Consent of PricewaterhouseCoopers LLP

Powers of Attorney

(Signature Page Hereto)

Certification of Chief Executive Officer
pursuant to Section 302(a) of the Sarbanes-
Oxley Act of 2002.

Certification of Chief Financial Officer
pursuant to Section 302(a) of the Sarbanes-
Oxley Act of 2002.

the CEO pursuant

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

the CFO pursuant

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

Reconciliation of ROIC to GAAP and
Economic Return Financial Statements

The following materials from Plexus Corp.’s
Annual Report on Form 10-K for the fiscal
year ended October 3, 2015, formatted in
XBRL (Extensible Business Reporting
Language): (i) the Consolidated Statements
the
of Comprehensive
Income,
Consolidated Balance Sheets,
the
Consolidated Statements of Shareholders’
Equity, (iv) the Consolidated Statements of
Cash Flows, and (v) Notes to Consolidated
Financial Statements.

(ii)
(iii)

84

X

X

X

X

X

X

X

X

101.INS

XBRL Instance Document

101.SCH XBRL Taxonomy Extension

Schema

Document

101.CAL XBRL Taxonomy Extension Calculation

Linkbase Document

101.LAB XBRL Taxonomy Extension Label Linkbase

Document

101.PRE XBRL Taxonomy Extension Presentation

Linkbase Document

101.DEF XBRL Taxonomy Extension Definition

Linkbase Document

* Designates management compensatory plans or agreements.

X

X

X

X

X

X

85

[THIS PAGE INTENTIONALLY LEFT BLANK]

[THIS PAGE INTENTIONALLY LEFT BLANK]

[THIS PAGE INTENTIONALLY LEFT BLANK]

Board of Directors

Executive Officers

Dean A. Foate 
Chairman, President and Chief Executive Officer

Todd P. Kelsey 
Executive Vice President and Chief Operating Officer

Patrick J. Jermain 
Senior Vice President and Chief Financial Officer

Angelo M. Ninivaggi 
Senior Vice President, Chief Administrative Officer, 
General Counsel and Secretary

Ronnie Darroch 
Senior Vice President - Global Manufacturing 
Solutions

Steven J. Frisch 
Executive Vice President and Chief Customer Officer

Yong Jin Lim 
Regional President - Plexus APAC

Oliver K. Mihm 
Regional President - Plexus EMEA

Dean A. Foate 
Chairman, President and Chief Executive Officer, 
Plexus Corp.

Ralf R. Böer 
Founding Partner and Director, Wing Capital Group, 
LLC

Stephen P. Cortinovis 
Private Equity Investor

David J. Drury 
Founding Partner and Director, Wing Capital Group, 
LLC

Joann M. Eisenhart,  Ph.D. 
Senior Vice President - Human Resources, Facilities 
and Philanthropy, The Northwestern Mutual Life 
Insurance Company

Rainer Jueckstock 
Co-Chairman and Co-Chief Executive Officer, 
Federal-Mogul Holdings Corporation

Peter Kelly 
Executive Vice President and Chief Financial Officer, 
NXP Semiconductors N.V.

Phil R. Martens 
Retired President and Chief Executive Officer, 
Novelis Inc.

Michael V. Schrock 
Senior Advisor and Operating Consultant, Oak Hill 
Capital Partners and Lead Director, Plexus Corp.

Mary A. Winston 
Founder and Principal, WinsCo Financial, LLC

Investor Information
Direct all inquiries for investor relations information, including copies of the  
Company's Form 10-K and other reports filed with the SEC, to:

Investor Relations
Plexus Corp.
One Plexus Way
P.O. Box 156 
Neenah, Wisconsin 54957-0156
+1.888.208.9005
susan.hanson@plexus.com
www.plexus.com

For common stock market information, see Part II, Item 5 in the Form 10-K.

Transfer Agent & Registrar
American Stock Transfer & Trust Company, LLC
6201 15th Avenue
Brooklyn, New York 11219
+1.800.937.5449

Auditors
PricewaterhouseCoopers LLP
Milwaukee, Wisconsin

Annual Meeting
February 17, 2016:  8:00 a.m.
Milwaukee Marriott Downtown
323 East Wisconsin Avenue
Milwaukee, Wisconsin 53202

GLOBAL HEADQUARTERS
One Plexus Way
P.O. Box 156
Neenah, WI 54957-0156
+1.888.208.9005 
www.plexus.com

AMERICAS
+1.877.733.7260 

EUROPE
+44.(0)1506.637.997 

ASIA PACIFIC
+604.632.1000 

©2015 PLEXUS CORP.  |  Plexus and the Plexus logo are registered trademarks of Plexus Corp., Neenah, WI, USA