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Ansys

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FY2018 Annual Report · Ansys
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 10-K

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

For the fiscal year ended December 31, 2018

OR

o

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

Commission File Number 0-20853

ANSYS, Inc.

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of incorporation or organization)
2600 ANSYS Drive, Canonsburg, PA

(Address of principal executive offices)

04-3219960

(I.R.S. Employer Identification No.)
15317

(Zip Code)

844-462-6797

(Registrant's telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:

Common Stock, $0.01 par value per share

(Title of each class)

The Nasdaq Global Select Market

(Name of exchange on which registered)

Securities registered pursuant to section 12(g) of the Act:

None

(Title of class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes   x
    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   x

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   x
    No   ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405
of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes   x
    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 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.   x

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth
company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer   x

Non-accelerated filer   ¨

Emerging growth company   ¨

Accelerated filer   ¨

Smaller reporting company   ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial
accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

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

The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing sale price of the Common Stock on June 29, 2018 as reported on the
Nasdaq Global Select Market, was $11,318,000,000 .

The number of shares of the registrant's Common Stock, par value $.01 per share, outstanding as of February 22, 2019 was 83,771,828 shares.

Documents Incorporated By Reference:
Portions of the Proxy Statement for the Registrant's 2019 Annual Meeting of Stockholders are incorporated by reference into Part III.

 
 
 
 
 
 
  
  
 
 
ANSYS, Inc.
ANNUAL REPORT ON FORM 10-K FOR FISCAL YEAR 2018
Table of Contents

PART I

Item 1.

Business

Item 1A.

Risk Factors

Item 1B.

Unresolved Staff Comments

Item 2.

Item 3.

Item 4.

Properties

Legal Proceedings

Mine Safety Disclosures

PART II

Item 5.

Item 6.

Item 7.

Market For Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Selected Financial Data

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

Item 7A.

Quantitative and Qualitative Disclosures about Market Risk

Item 8.

Item 9.

Financial Statements and Supplementary Data

Changes in and Disagreements With Accountants on Accounting and Financial Disclosure

Item 9A.

Controls and Procedures

Item 9B.

Other Information

PART III

Item 10.

Item 11.

Item 12.

Item 13.

Item 14.

PART IV

Item 15.

Item 16.

Directors, Executive Officers and Corporate Governance

Executive Compensation

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

Certain Relationships and Related Transactions, and Director Independence

Principal Accounting Fees and Services

Exhibits and Financial Statement Schedules

Form 10-K Summary

SIGNATURES

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Important Factors Regarding Future Results

Information provided by ANSYS, Inc. (hereafter the Company or ANSYS), in this Annual Report on Form 10-K, may contain forward-looking statements
concerning such matters as projected financial performance, market and industry segment growth, product development and commercialization, acquisitions or other
aspects of future operations. Such statements, made pursuant to the safe harbor established by the securities laws, are based on the assumptions and expectations of
the Company's management at the time such statements are made. The Company cautions investors that its performance (and, therefore, any forward-looking
statement) is subject to risks and uncertainties. Various important factors including, but not limited to, those discussed in Item 1A. Risk Factors, may cause the
Company's future results to differ materially from those projected in any forward-looking statement. All information presented is as of December 31, 2018 , unless
otherwise indicated.

Note About Forward-Looking Statements

The following discussion should be read in conjunction with the audited consolidated financial statements and notes thereto included elsewhere in this Annual
Report on Form 10-K. The Company's discussion and analysis of its financial condition and results of operations are based upon the Company's consolidated
financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP). The
preparation of these financial statements requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and
expenses, and related disclosure of contingent assets and liabilities. On an ongoing basis, the Company evaluates its estimates, including those related to fair values
of stock awards, bad debts, contract revenue, acquired deferred revenue, the valuation of goodwill and other intangible assets, deferred compensation, income taxes,
uncertain tax positions, tax valuation reserves, useful lives for depreciation and amortization, and contingencies and litigation. The Company bases its estimates on
historical experience, market experience, estimated future cash flows and various other assumptions that management believes are reasonable under the
circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other
sources. Actual results may differ from these estimates.

This Annual Report on Form 10-K contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the
Securities Exchange Act of 1934, including, but not limited to, the following statements, as well as statements that contain such words as "anticipates," "intends,"
"believes," "plans" and other similar expressions:

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The Company's intentions regarding its hybrid sales and distribution model.

The Company's intentions related to investments in research and development, particularly as it relates to expanding the ease of use and capabilities of its
broad portfolio of simulation software products.

The Company's expectations regarding the accelerated development of new and innovative products to the marketplace while lowering design and
engineering costs for customers as a result of the Company's acquisitions.

The Company's statements regarding the impact of global economic conditions.

The Company's expectations regarding the outcome of its service tax audit cases.

The Company's belief that, in most geographical locations, its facilities allow for sufficient space to support present and future foreseeable needs, including
such expansion and growth as the business may require.

The Company's expectation that it can renew existing facility leases as they expire or find alternative facilities without difficulty, as needed.

The Company's assessment of the ultimate liabilities arising from various investigations, claims and legal proceedings.

The Company's statement regarding the strength of the features, functionality and integrated multiphysics capabilities of its software products.

The Company's belief that its overall performance is best measured by fiscal-year results rather than by quarterly results.

The Company's estimates regarding the expected impact on reported revenue related to the acquisition accounting treatment of deferred revenue.

The Company's expectation that it will continue to make targeted investments in its global sales and marketing organizations and its global business
infrastructure to enhance and support its revenue-generating activities.

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The Company's intention to repatriate previously taxed earnings in excess of working capital needs and to reinvest all other earnings of its non-U.S.
subsidiaries.

The Company's plans related to future capital spending.

The sufficiency of existing cash and cash equivalent balances to meet future working capital and capital expenditure requirements.

The Company's belief that the best uses of its excess cash are to invest in the business and repurchase stock in order to both offset dilution and return
capital, in excess of its requirements, to stockholders with the goal of increasing stockholder value.

The Company's intentions related to investments in complementary companies, products, services and technologies.

The Company's expectation that changes in currency exchange rates will affect the Company's financial position, results of operations and cash flows.

The Company's expectations regarding future claims related to indemnification obligations.

The Company's estimates regarding total compensation expense associated with granted stock-based awards for future years.

The Company's expectations regarding the impacts of new accounting guidance.

The Company's assessment of its ability to realize deferred tax assets.

The Company's performance expectations related to its partnerships and strategic alliances.

The Company's expectations regarding acquisitions and integrating such acquired companies to realize the benefits of cost reductions and other synergies
relating thereto.

Forward-looking statements should not be unduly relied upon because they involve known and unknown risks, uncertainties and other factors, some of which are
beyond the Company's control. The Company's actual results could differ materially from those set forth in the forward-looking statements. Certain factors that
might cause such a difference include risks and uncertainties detailed in Item 1A. Risk Factors.

ITEM 1.

BUSINESS

PART I

ANSYS, a Delaware corporation formed in 1994, develops and globally markets engineering simulation software and services widely used by engineers, designers,
researchers and students across a broad spectrum of industries and academia, including aerospace and defense, automotive, electronics, semiconductors, energy,
materials and chemical processing, turbomachinery, consumer products, healthcare, and sports. Headquartered south of Pittsburgh, Pennsylvania, the Company and
its subsidiaries employed approximately 3,400 people as of December 31, 2018 . The Company focuses on the development of open and flexible solutions that
enable users to analyze designs directly on the desktop, providing a common platform for fast, efficient and cost-conscious product development, from design
concept to final-stage testing and validation. The Company distributes its ANSYS ® suite of simulation technologies through a global network of independent
resellers and distributors (collectively, channel partners) and direct sales offices in strategic, global locations. It is the Company's intention to continue to maintain
this hybrid sales and distribution model. The Company operates and reports as one segment.

The Company's product portfolio consists of the following:

Simulation Platform: ANSYS Workbench ™  

ANSYS Workbench is the framework upon which the Company's suite of advanced engineering simulation technologies is built. The innovative project schematic
view ties together the entire simulation process, guiding the user through complex multiphysics analyses with drag-and-drop simplicity. With bi-directional
computer-aided design (CAD) connectivity, powerful highly-automated meshing, a project-level update mechanism, pervasive parameter management and
integrated optimization tools, the ANSYS Workbench platform enables Pervasive Engineering Simulation™.

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The Company's Workbench framework allows engineers and designers to incorporate the compounding effects of multiple physics into a virtual prototype of their
design and simulate its operation under real-world conditions. As product architectures become smaller, lighter and more complex, companies must be able to
accurately predict how products will behave in real-world environments where multiple types of physics interact in a coupled way. ANSYS multiphysics software
enables engineers to simulate the interactions between structures, heat transfer, fluids and electronics all within a single, unified engineering simulation environment.

ANSYS Workbench enables companies to create a customized simulation environment to deploy specialized simulation best practices and automations unique to
their product development process or industry. With ANSYS ACT™, end users or ANSYS partners can modify the user interface, process simulation data or embed
third-party applications to create specialized tools based on ANSYS Workbench.

High-Performance Computing

The Company's high-performance computing (HPC) product suite enables enhanced insight into product performance and improves the productivity of the design
process. The HPC product suite delivers cross-physics parallel processing capabilities for the full spectrum of the Company's simulation software by supporting
structures, fluids, thermal and electronics simulations. This product suite decreases turnaround time for individual simulations, allowing users to consider multiple
design ideas and make the right design decisions early in the design cycle.

Structures

The Company's structural analysis product suite offers simulation tools for product design and optimization that increase productivity, minimize physical
prototyping and help to deliver better and more innovative products in less time. These tools tackle real-world analysis problems by making product development
less costly and more reliable. In addition, these tools have capabilities that cover a broad range of analysis types, elements, contacts, materials, equation solvers and
coupled physics capabilities, all targeted toward understanding and solving complex design problems. The Company also provides comprehensive topology
optimization tools that engineers use to design structural components to meet loading requirements with minimal material and component weight. The Company
offers a complete simulation workflow for additive manufacturing that allows reliable 3D printing by simulating the laser sintering process and delivering
compensated CAD geometries that ensure reliable printed parts.

Fluids

The Company's fluids product suite enables modeling of fluid flow and other related physical phenomena. Fluid flow analysis capabilities provide all the tools
needed to design and optimize new fluids equipment and to troubleshoot already existing installations. The suite contains general-purpose computational fluid
dynamics software and specialized products to address specific industry applications.

Electromagnetics

The Company's electromagnetics product suite provides field simulation software for designing high-performance electronic and electromechanical products. The
software streamlines the design process and predicts performance of mobile communication and internet-access devices, broadband networking components and
systems, integrated circuits (ICs) and printed circuit boards (PCBs), as well as electromechanical systems such as automotive components and power electronics
equipment, all prior to building a prototype.

Semiconductors

Advancements in semiconductor design and manufacturing enable smaller electronic architectures. Shrinking geometries, especially in the emerging 3D IC, FinFET
and stacked-die architectures, reveal design challenges related to power and reliability. The Company's power analysis and optimization software suite manages the
power budget, power delivery integrity and power-induced noise in an electronic design, from initial prototyping to system sign-off. These solutions deliver
accuracy with correlation to silicon measurement; the capacity to handle an entire electronic system, including IC, package and PCB, efficiently for ease-of-debug
and fast turnaround time; and comprehensiveness to facilitate cross-domain communications and electronic ecosystem enablement.

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Embedded Software

The Company's SCADE ® product suite is a comprehensive solution for embedded software simulation, code production and automated certification. It has been
developed specifically for use in critical systems with high dependability requirements, including aerospace, rail transportation, nuclear, industrial and automotive
applications. SCADE software supports the entire development workflow, from requirements analysis and design, through verification, implementation and
deployment. SCADE solutions easily integrate with each other and the rest of the ANSYS product suite, allowing for development optimization and increased
communication among team members.

Systems

The Company delivers a unique and comprehensive system simulation capability that is ideal for the design of today's increasingly automated products. This
collaborative environment leverages the Company's multiphysics, multibody dynamics, circuit and embedded software simulation capabilities, enabling users to
simulate the complex interactions between components, circuits and control software within a single environment. These technologies provide a complete view into
predicted product performance, which creates greater design confidence for engineers.

3D Design

The Company’s Discovery™ product family allows every engineer to benefit from the insight of simulation in their product design. The Discovery products range
from early design exploration tools powered by interactive real-time simulation and intuitive geometry editing, to detailed product validation solutions utilizing
proven flagship solver technology with easy-to-use guided workflows. These tools allow for design engineers of all levels of expertise to utilize simulation across
the entire product design process and to work seamlessly with simulation experts using ANSYS flagship products for even more advanced analysis.

Academic

The Company's academic product suite provides a highly scalable portfolio of academic products based on several usage tiers, including associate, research and
teaching. Each tier includes various non-commercial products that bundle a broad range of physics and advanced coupled field solver capabilities. The academic
product suite provides entry-level tools intended for class demonstrations and hands-on instruction. It includes flexible terms of use and more complex analysis
suitable for doctoral and post-doctoral research projects. The Company also provides a special product at no cost to students that is suitable for use away from the
classroom and in non-commercial applications.

PRODUCT DEVELOPMENT

The Company makes significant investments in research and development and emphasizes frequent, integrated product releases. The Company's product
development strategy centers on ongoing development and innovation of new technologies to increase productivity and to provide engineering simulation solutions
that customers can integrate into enterprise-wide product lifecycle management (PLM) systems. The Company's product development efforts focus on extensions of
the full product line with new functional modules, further integration with CAD, electronic CAD (ECAD) and PLM products, and the development of new products.
The Company's products run on the most widely-used engineering computing platforms and operating systems, including Windows, Linux and most UNIX
workstations.

The Company's total research and development expenses were $233.8 million , $202.7 million and $183.1 million in 2018 , 2017 and 2016 , respectively, or 18.1% ,
18.5% and 18.5% of total revenue, respectively. As of December 31, 2018 , the Company's product development staff consisted of approximately 1,200 employees,
most of whom hold advanced degrees and have industry experience in engineering, mathematics, computer science or related disciplines. The Company has
traditionally invested significant resources in research and development activities and intends to continue to make investments in expanding the ease of use and
capabilities of its broad portfolio of simulation software products.

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The Company completed the following major product development activities and releases:

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In February 2019, the Company released ANSYS 2019 R1. The new ANSYS Fluent ® user experience improves the workflow process without
compromising accuracy. Engineers benefit from the complete, single-window solution within ANSYS Fluent. ANSYS Motion™ was released with the
most-powerful multibody dynamics solution. New offerings in the electronics and electromagnetics suite include an EMI Scanner, electromigration
analysis and noise-vibration-harshness (NVH) capabilities. In structures, ANSYS Mechanical added thermal compliance to enable the generation of designs
that maximize heat transfer using topology optimization. A new semi-implicit method allows efficient solution of problems that involve both large strain
and large deformation. ANSYS Additive Suite™ includes ANSYS Additive Science™, an exploratory environment for engineers to determine how process
parameters affect meltpool sizes and material porosity. Improvements to the SCADE suite for automotive make it simpler and faster to comply with
industry standards like AUTOSAR and ISO 26262 for model-based systems and software in autonomous vehicles. ANSYS VRXPERIENCE™ integrates
two new camera models, enabling users to test the perception algorithm in night driving conditions. New features in ANSYS medini ® analyze allow users
to more quickly and accurately perform functional safety analysis for DO-178C and other standards on aircraft systems. ANSYS SPEOS™ strengthens
predictive design capabilities for creating, testing and validating a virtual design in a fast iteration loop, ensuring compliance with international standards
and regulations. Topology optimization has been added to ANSYS Discovery Live, taking a leap forward in making digital exploration and generative
design accessible for every engineer.

In September 2018, the Company released ANSYS 19.2 with faster problem-solving capabilities. In fluids, ANSYS 19.2 delivered new features to
accelerate computational fluid dynamics simulations using a task-based workflow for watertight geometries and Mosaic meshing technology, empowering
more engineers to get accurate results faster and with less training. ANSYS 19.2 introduced System Coupling 2.0 for multiphysics simulation with
improved and consistent performance for any scenario, enabling HPC for multiphysics simulations. Engineers benefit from new functionality to improve
workflow for semiconductors, specifically those used in the automotive and autonomous vehicle industries, with dedicated ISO 26262 support to meet
safety regulations in ANSYS medini analyze. ANSYS introduced ANSYS VRXPERIENCE, providing virtual reality simulation and validation for
autonomous vehicle simulation, complex systems such as intelligent headlamps, interior and exterior lighting, autonomous vehicles controls and HMI
validation. A new product bundle, ANSYS SPEOS, provides a complete solution for designing and simulating illumination, interior and exterior lighting,
cameras and lidars. New inverse analysis in the ANSYS structural suite, material designer and topology optimization developments give engineers more
simulation options. Inverse Analysis predicts the shape of a component, helping achieve the desired shape during operation. Additive solutions provided
improved robustness for both ANSYS Additive Print™ and ANSYS Workbench Additive, including physics-driven lattice optimization. In topology
optimization, ANSYS 19.2 added loading options; manufacturing constraints that are ideal for additive manufacturing; and a unique lattice optimization
capability. In the electromagnetics suite, new advancements in multi-channel radar system simulation include a lightweight geometry modeler that enables
rapid meshing and an efficient actor movement in pulse-by-pulse road scene simulation resulting in 20 times faster processing.

In May 2018, the Company released ANSYS 19.1 with new simulation-based digital twin functionality. ANSYS Twin Builder™ is a first-of-its-kind
product, enabling customers to build, validate and deploy simulation-based digital twins. A digital twin combines accurate physics-based virtual replicas of
a product with data collected using industrial internet of things connectivity platforms, providing intelligence and predictive maintenance insights in real-
world operating conditions. ANSYS 19.1 also provided updates across all physics and delivered new metal additive manufacturing solutions, empowering
customers to quickly test their product designs virtually before printing a part. ANSYS Additive Suite enables designers to optimize weight reduction and
lattice density; create, repair and clean up CAD geometry; simulate the additive process; and conduct structural and thermal analysis for data validation. In
fluids, ANSYS 19.1 offered a new approach to cavitation modeling across diverse applications, from hydro pumps to rocket fuel systems. Users reliably
predict cavitation using pre-existing material properties, without the need for empirical model parameters or extensive physical testing. ANSYS 19.1
introduced ANSYS EnVision™ Pro, a new version of ANSYS EnSight™ Viewer, which empowers engineers to interact with EnSight data and create new
views and photorealistic images. In semiconductors, a new 3D IC graphical user interface wizard enabled automatic and seamless connections between
multiple dies, interposer and package for chip-level power and thermal integrity analysis, significantly improving usability and easing 3D IC setup and
analysis.

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New Product Offerings

Optical

On May 2, 2018, the Company acquired OPTIS, a premier provider of software for scientific simulation of light, human vision and physics-based visualization.
Adding OPTIS' optical sensor and closed-loop, real-time simulation to the Company's leading multiphysics portfolio, the Company now offers the broadest toolset
for validating the safety and reliability of autonomous vehicles.

The Company's capabilities now span the simulation of all sensors, including lidar, cameras and radar; the multiphysics simulation of physical and electronic
components; the analysis of systems functional safety; as well as the automated development of safety-certified embedded software. This functionality can be
integrated into a closed-loop simulation environment that interacts with weather and traffic simulators, enabling thousands of driving scenarios to be executed
virtually.

Beyond the autonomous vehicle sector, the acquisition reinforces the Company as a world-class simulation provider across various industries and verticals.

PRODUCT QUALITY

The Company's employees generally perform product development tasks according to predefined quality plans, procedures and work instructions. Certain technical
support tasks are also subject to a quality process. These plans define, for each project, the methods to be used, the responsibilities of project participants and the
quality objectives to be met. The majority of software products are developed under a quality system that is certified to the ISO 9001:2015 standard. The Company
establishes quality plans for its products and services, and subjects product designs to multiple levels of testing and verification in accordance with processes
established under the Company's quality system.

SALES AND MARKETING

The Company distributes and supports its products through its own direct sales offices, as well as a global network of independent channel partners. This channel
partner network provides the Company with a cost-effective, highly-specialized channel of distribution and technical support. It also enables the Company to draw
on business and technical expertise from a global network, provides relative stability to the Company's operations to help mitigate geography-specific economic
trends and provides the Company with an opportunity to take advantage of new geographic markets or enhance its sales coverage in existing markets. The Company
derived 22.4% , 24.8% and 24.4% of its total revenue through the indirect sales channel for the years ended December 31, 2018 , 2017 and 2016 , respectively.

The channel partners sell ANSYS products to new customers, expand installations within the existing customer base, offer training and consulting services, and
provide the first line of ANSYS technical support. The Company's channel partner certification process helps to ensure that each channel partner has the ongoing
capability to adequately represent the Company's expanding product lines and to provide an acceptable level of training, consultation and customer support.

The Company also has a direct sales organization to develop an enterprise-wide, focused sales approach and to implement a worldwide major account strategy. The
sales management organization also functions as a focal point for requests to ANSYS from the channel partners and provides additional support in strategic locations
through the presence of direct sales offices.

During 2018 , the Company continued to invest in its existing domestic and international strategic sales offices. In total, the Company's direct sales organization
comprises 1,700 employees who are responsible for the sales, technical support, consulting services, marketing initiatives and administrative activities designed to
support the Company's overall revenue growth and expansion strategies.

The Company's products are utilized by organizations ranging in size from small consulting firms to the world's largest industrial companies. No single customer
accounted for more than 5% of the Company's revenue in 2018 , 2017 or 2016 .

Information with respect to foreign and domestic revenue may be found in Note 16 to the consolidated financial statements in Part IV, Item 15 of this Annual Report
on Form 10-K and in the section entitled “Management's Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of this Annual
Report on Form 10-K.

STRATEGIC ALLIANCES AND MARKETING RELATIONSHIPS

The Company has established and continues to pursue strategic alliances with advanced technology suppliers, hardware vendors, specialized application developers,
and CAD, ECAD and PLM providers. The Company believes that these relationships facilitate accelerated incorporation of advanced technology into the Company's
products, provide access to new

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customers, expand the Company's sales channels, develop specialized product applications and provide direct integration with leading CAD, electronic design
automation (EDA), product data management and PLM systems.

The Company has technical and marketing relationships with leading CAD vendors, such as Autodesk, PTC and Siemens Product Lifecycle Management Software,
to provide direct links between products. These links facilitate the transfer of electronic data models between the CAD systems and ANSYS products.

In 2018, the Company partnered with PTC to accelerate product innovation by providing customers a world-class simulation-driven design solution. Working
together, ANSYS and PTC will deliver ANSYS Discovery Live real-time simulation within PTC’s Creo ® 3D CAD software. The combined solution will be sold by
PTC as part of the Creo product suite. This solution will offer customers a unified modeling and simulation environment, removing the boundaries between CAD
and simulation and enabling design engineers to gain insight into each of the many design decisions they make throughout the product development process. This
insight will enable design engineers to create higher quality products, while reducing product and development costs. The product is expected to be commercially
available in the first half of 2019.

Similarly, the Company maintains marketing and software development relationships with leading EDA software companies, including Cadence Design Systems,
Synopsys, Mentor Graphics, Zuken and National Instruments. These relationships support the transfer of data between electronics design and layout software and the
ANSYS electronics simulation portfolio. In 2017, the Company entered into an integration and distribution agreement with Synopsys to cooperatively integrate
ANSYS RedHawk technology into an in-design add-on to a Synopsys design tool for the primary purpose of providing customers with direct, in-design access to the
RedHawk technology's capabilities.

The Company also has a relationship with Spatial Corp. to provide the 3D modeling kernel technology upon which the Company's in-house geometry modeling
software solutions are built.

The main method that ANSYS employs to democratize HPC to a wider audience is through partnerships with a number of companies, such as cloud-hosting
providers, HPC hardware manufacturers and supercomputing centers such as HLRS in Stuttgart, Germany. The cloud partners not only provide HPC services, but
also the back-end infrastructure to those customers who lack the in-house HPC or IT staff, but still want the ability to increase computational resources quickly. In
addition, ANSYS has established partnerships with HPC partners that provide appliances, or pre-configured racks of computational hardware optimized and
configured to run ANSYS software.

The Company's open cloud strategy allows it to work with various public cloud providers and cloud hosting partners. This approach makes it easy for customers to
use the same workflows on-premise and in the Cloud. In addition, the Company strengthened its other cloud-hosting service partnerships by further improving best
practices for executing engineering simulation in the Cloud. Cloud-hosting partners such as Nimbix, Rescale and Gompute provide friction-free cloud access to
ANSYS solutions for customers. Furthermore, the Company enjoys mutually-committed alliances with large cloud platform providers such as Microsoft and AWS.
In 2018, the Company entered into an agreement with SAP to embed ANSYS' pervasive simulation solutions for digital twins into SAP's market-leading digital
supply chain, manufacturing and asset management portfolio. The partnership's first solution, expected in 2019, will run on SAP Cloud Platform and empower
industrial asset operators to optimize operations and maintenance through real-time engineering insights, to reduce product cycle times and increase profitability.

The Company's Partner Program actively encourages specialized developers of software solutions to use the Company's technology as a development platform for
their applications and provides customers with enhanced functionality related to their use of the Company's software. With almost 200 active solution partnerships,
spanning a wide range of technologies, including optimization, electronics, mechanical simulation, fluid simulation and CAD, this partner ecosystem extends the
depth and breadth of the Company's technology offerings.

The Company has a software license agreement with Livermore Software Technology Corporation (LSTC) whereby LSTC has provided LS-DYNA ® software for
explicit dynamics solutions used in applications such as crash test simulations in automotive and other industries. Under this arrangement, LSTC assists in the
integration of the LS-DYNA software with the Company's pre- and post-processing capabilities and provides updates and problem resolution in return for royalties
from sales of the ANSYS LS-DYNA® combined product.

The Company has a license agreement with Dynardo GmbH involving the optiSLang software for robust design optimization. Under this arrangement, Dynardo
provides its optiSLang software and assists with marketing, customer support, training, and integration into the Company's platform, in return for royalties from
sales of the combined product. ANSYS optiSLang applies across many industries, extending and strengthening the Company's capabilities in sensitivity analysis and
simulation process automation to enable faster and better-performing product designs.

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The Company has a software license agreement with HBM that provides the advanced fatigue capabilities of nCode DesignLife™, a leading durability software
from HBM. ANSYS nCode DesignLife™ technology leverages the open architecture of the ANSYS platform and enables mechanical engineers to more easily
address complex product life and durability issues before a prototype is built.

COMPETITION

The Company believes that the principal factors affecting sales of its software include ease of use, breadth and depth of functionality, flexibility, quality, ease of
integration with other software systems, file compatibility across computer platforms, range of supported computer platforms, performance, price and total cost of
ownership, customer service and support, company reputation and financial viability, and effectiveness of sales and marketing efforts.

The Company continues to experience competition across all markets for its products and services. The Company's competitors include large, global, publicly traded
companies; small, geographically-focused firms; startup firms; and solutions produced in-house by the end users. Some of the Company's current and possible future
competitors have greater financial, technical, marketing and other resources than the Company, and some have well-established relationships with current and
potential customers of the Company. The Company's current and possible future competitors also include firms that have elected, or may in the future elect, to
compete by means of open source licensing. These competitive pressures may result in decreased sales volumes, price reductions and/or increased operating costs,
and could result in lower revenues, margins and net income.

PROPRIETARY RIGHTS AND LICENSES

The Company regards its software as proprietary and relies on a combination of trade secret, copyright, patent and trademark laws, license agreements,
nondisclosure and other contractual provisions, and technical measures to protect its proprietary rights in its products. The Company distributes its software products
under software license agreements that grant customers nonexclusive licenses, which are typically nontransferable, for the use of the Company's products. License
agreements for the Company's products are directly between the Company and end users. Use of the licensed software product is restricted to specified sites unless
the customer obtains a multi-site license for its use of the software product or the software product is by its nature a multi-site use product. Software security
measures are also employed to prevent unauthorized use of the Company's software products and the licensed software is subject to terms and conditions prohibiting
unauthorized reproduction. For most products, customers may purchase a perpetual license of the technology with the right to annually purchase ongoing
maintenance, technical support and upgrades, or may lease the product on a fixed-term basis for a fee that includes the license, maintenance, technical support and
upgrades. For its Discovery products, customers purchase an annual subscription for a certain number of named users that includes the license, maintenance,
technical support and upgrades.

The Company licenses its software products utilizing a combination of web-based and hard-copy license terms and forms. For certain software products, the
Company primarily relies on "click-wrapped" licenses (i.e. online agreements where the website provider posts terms and conditions, and the user clicks on the
"accept" button). The enforceability of these types of agreements under the laws of some jurisdictions is uncertain.

The Company also seeks to protect the source code of its software as a trade secret and as unpublished copyrighted work. The Company has obtained federal
trademark registration protection for ANSYS and other marks in the U.S. and foreign countries. Additionally, the Company was awarded numerous patents by the
U.S. Patent and Trademark Office, and has a number of patent applications pending. To the extent the Company does not choose to seek patent protection for its
intellectual property, the Company primarily relies on the protection of its source code as a trade secret.

Employees of the Company have signed agreements under which they have agreed not to disclose trade secrets or confidential information. These agreements, where
legally permitted, restrict engagement in or connection with any business that is competitive with the Company anywhere in the world while employed by the
Company (and, in some cases, for specified periods thereafter) and state that any products or technology created by employees during their term of employment are
the property of the Company. In addition, the Company requires all channel partners to enter into agreements not to disclose the Company's trade secrets and other
proprietary information.

Despite these precautions, there can be no assurance that misappropriation of the Company's technology and proprietary information (including source code) will be
prevented. Further, there can be no assurance that copyright, trademark, patent and trade secret protection will be available for the Company's products in certain
jurisdictions, or that restrictions on the ability of employees and channel partners to engage in activities competitive with the Company will be enforceable. Costly
and time-consuming litigation could be necessary in the future to enforce the Company's rights to its trade secrets and proprietary information or to enforce its patent
rights and copyrights, and it is possible that, in the future, the Company's competitors may be able to obtain the Company's trade secrets or to independently develop
similar, unpatented technology.

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The software development industry is characterized by rapid technological change. Therefore, the Company believes that factors such as the technological and
creative skills of its personnel, new product developments, frequent product enhancements, name recognition and reliable product maintenance are also important to
establishing and maintaining technology leadership in addition to the various legal protections of its technology that may be available.

The Company does not believe that any of its products infringe upon the proprietary rights of third parties. There can be no assurance, however, that third parties
will not claim such infringement by the Company or its licensors or licensees with respect to current or future products. The Company expects that software
suppliers will increasingly be subject to the risk of such claims as the number of products and suppliers continues to expand and the functionality of products
continues to increase. Any such claims, with or without merit, could be time consuming, result in costly litigation, cause product release delays or require the
Company to enter into royalty or licensing agreements. Such royalty or licensing agreements, if required, may not be available on terms acceptable to the Company.

SEASONAL VARIATIONS

The Company's business has experienced seasonality, including quarterly reductions in software sales resulting from slowdowns of customer activities during the
summer months, particularly in Europe, as well as from the seasonal purchasing and budgeting patterns of the Company's global customers. Lease and maintenance
contract renewals are typically highest in the first and fourth quarters. The Company's revenue is typically highest in the fourth quarter.

DEFERRED REVENUE AND BACKLOG

Deferred revenue consists of billings made or payments received in advance of revenue recognition. The deferred revenue on the Company's consolidated balance
sheets does not represent the total value of annual or multi-year, noncancellable agreements. The Company's backlog represents installment billings for periods
beyond the current quarterly billing cycle and custom er orders received but not processed. The Company's deferred revenue and backlog as of December 31, 2018
and 2017 consisted of the following:

ASC 606 (1)

(in thousands)
Deferred revenue

Backlog

Total

ASC 605 (1)

(in thousands)
Deferred revenue

Backlog

Total

ASC 605

(in thousands)
Deferred revenue

Backlog

Total

Balance at December 31, 2018

Total

Current

Long-Term

343,174   $

315,998  

659,172   $

328,584   $

147,299  

475,883   $

14,590

168,699

183,289

Balance at December 31, 2018

Total

Current

Long-Term

555,539   $

401,543  

957,082   $

526,168   $

142,284  

668,452   $

29,371

259,259

288,630

Balance at December 31, 2017

Total

Current

Long-Term

468,560   $

301,150  

769,710   $

440,491   $

97,283  

537,774   $

28,069

203,867

231,936

$

$

$

$

$

$

(1) Effective January 1, 2018, the Company adopted new guidance on revenue recognition, Accounting Standards Codification (ASC) 606. The Company recorded
$244.1 million of deferred revenue to retained earnings upon the adoption of the new guidance. Deferred revenue and backlog is presented under the prior guidance,
ASC 605, for comparability purposes. For further information, see Note 3 to the consolidated financial statements included in Part IV, Item 15 of this Annual Report
on Form 10-K.

Revenue associated with deferred revenue and backlog that will be recognized in the subsequent twelve months is classified as current in the tables above.

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EMPLOYEES

As of December 31, 2018 , the Company employed approximately 3,400 people. At that date, there were also contract personnel and co-op students providing
ongoing development services and technical support. Certain employees of the Company are subject to collective bargaining agreements and have local work
councils.

ACQUISITIONS

The Company makes targeted acquisitions in order to support its long-term strategic direction, accelerate innovation, provide increased capabilities to its existing
products, supply new products and services, expand its customer base and enhance its distribution channels.

During the year ended December 31, 2018 , the Company completed the acquisition of 100% of the shares of OPTIS, a premier provider of software for scientific
simulation of light, human vision and physics-based visualization, for a purchase price of $291.0 million .

During the years ended December 31, 2017 and 2016, the Company completed various acquisitions to expand its customer base and accelerate the development of
new and innovative products to the marketplace while lowering design and engineering costs for customers. The acquisitions were not individually significant. The
combined purchase prices of the acquisitions purchased during the years ended December 31, 2017 and 2016 were approximately $67.0 million and $10.3 million ,
respectively.

The 2018 and 2017 technology acquisitions are further described in the table below:

Date of Closing

May 2, 2018

Company

OPTIS

November 15, 2017

3DSIM

July 5, 2017

Computational Engineering
International, Inc.
(CEI Inc.)

Details

OPTIS, a premier provider of software for scientific simulation of light, human vision and physics-based
visualization, extends the Company's portfolio into the area of optical simulation to provide comprehensive
sensor solutions, covering visible and infrared light, electromagnetics and acoustics for camera, radar and
lidar.

3DSIM, a developer of premier additive manufacturing technology, gives ANSYS a complete additive
manufacturing simulation workflow solution. 3DSIM's software solutions empower manufacturers, designers,
materials scientists and engineers to achieve their objectives through simulation-driven innovation rather than
physical trial and error.

CEI Inc., the developer of EnSight, aids engineers and scientists in their ability to analyze, visualize and
communicate large simulation data sets in clear, higher-resolution outputs.

March 10, 2017

CLK Design Automation (CLK-
DA)

CLK-DA offers fast transistor simulation technology that complements the Company's semiconductor
product portfolio.

For further information on the Company's business combinations, see Note 4 to the consolidated financial statements included in Part IV, Item 15 of this Annual
Report on Form 10-K.

AVAILABLE INFORMATION

The Company's website is www.ansys.com . The Company makes available on its website, free of cha rge, Annual Reports on Form 10-K, Quarterly Reports on
Form 10-Q, interactive data files , Current Reports on Form 8-K, reports filed pursuant to Section 16 and amendments to those reports filed or furnished pursuant to
Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, as soon as reasonably practicable after such materials are electronically filed or
furnished to the Securities and Exchange Commission (SEC) . The Company's reports may also be obtained by accessing the EDGAR database of the SEC's website
at www.sec.gov . In addition, the Company has posted the charters for its Audit Committee, Compensation Committee, and Nominating and Corporate Governance
Committee, as well as the Company's Code of Business Conduct and Ethics, Standard Business Practices and Corporate Governance Guidelines on its website.
Information posted on the Company's website or social media accounts is not incorporated by reference in this Annual Report on Form 10-K.

ITEM 1A. RISK FACTORS

Information provided by the Company or its spokespersons, including information contained in this Annual Report on Form 10-K, may from time to time contain
forward-looking statements concerning projected financial performance, market and industry sector growth, product development and commercialization or other
aspects of future operations. Such statements will be based on the assumptions and expectations of the Company's management at the time such statements are
made. The Company cautions investors that its performance (and, therefore, any forward-looking statement) is subject to risks and uncertainties. Various important
factors, including, but not limited to, the following may cause the Company's future results to differ materially from those projected in any forward-looking
statement.

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Global Economic Conditions. The Company's operations and performance depend significantly on foreign and domestic economic conditions. Uncertainty in the
macroeconomic environment, as well as geopolitical conditions, can result in significant volatility in credit, equity and foreign exchange markets. This volatility and
the related economic conditions may negatively impact the Company as customers defer spending in response to tighter credit; higher unemployment; geopolitical
tensions and uncertainties; unpredictable government trade, tax or other policies; evolving immigration and other labor policies; financial market volatility;
government austerity programs; negative financial news; declining valuations of investments; and other factors. In addition, certain of the Company's customers'
budgets may be constrained and may be unable to purchase the Company's products at the same level as they have in prior periods. Customer spending levels may be
impacted by trade or tax policies or decreased government spending in certain countries as concerns continue regarding economic conditions and government debt
levels. These economic conditions can change abruptly. To the extent the global economy experiences volatility, the Company may be exposed to impairments of
certain assets as their values deteriorate.

Tighter credit due to economic conditions may diminish the Company's future borrowing ability. The Company's customers' ability to pay for the Company's
products and services may also be impaired, which may lead to an increase in the Company's allowance for doubtful accounts and write-offs of accounts receivable.
Since the Company is exposed to the majority of major world markets, uncertainty in any significant market may negatively impact the Company's performance and
results, particularly with respect to the Company's largest geographic customer bases. The Company is unable to predict the likely duration and magnitude of
changing economic conditions or the likelihood of additional uncertainty arising in any of the Company's key markets.

Decline in Customers' Businesses. The Company's sales are based significantly on end-user demand for products in key industrial sectors. Many of these sectors
periodically experience economic declines, which may be exacerbated by other economic factors. These factors may also adversely affect the Company's business
by extending sales cycles and reducing revenue. These economic factors may cause the Company's customers to reduce the size of their workforce or cut back on
operations and may lead to a reduction in renewals of licenses or maintenance contracts with the Company. The Company's customers may request discounts which
may cause fluctuations in the Company's future operating results. The Company may not be able to adjust its operating expenses to offset such fluctuations because
a substantial portion of the Company's operating expenses are related to personnel, facilities and marketing programs. The level of personnel and related expenses
may not be able to be adjusted quickly and is based, in significant part, on the Company's expectation for future revenue.

Risks Associated with International Activities. A majority of the Company's business comes from outside the United States and the Company has customers that
supply a wide spectrum of goods and services in virtually all of the world's major economic regions. If any of the foreign economies in which the Company does
business deteriorate or suffer periods of uncertainty, the Company's business and performance may be negatively impacted through reduced customer spending,
changes in purchasing cycles or timing, reduced access to credit for its customers, or other factors impacting the Company's international sales and collections. The
Company's results may also be negatively impacted by geopolitical tensions, which may result in increased economic volatility.

As a result of its significant international presence, the Company has revenue, expenses, cash, accounts receivable and payment obligations denominated in foreign
currencies. As a result, the Company is subject to currency exchange risk. The Company's revenues and operating results are adversely affected when the U.S.
Dollar strengthens relative to other currencies and are positively affected when the U.S. Dollar weakens. As a result, changes in currency exchange rates will affect
the Company's financial position, results of operations and cash flows. In the event that there are economic declines in countries in which the Company conducts
transactions, the resulting changes in currency exchange rates may affect the Company's financial position, results of operations and cash flows. The Company seeks
to reduce currency exchange transaction risks primarily through its normal operating and treasury activities, but there can be no assurance that it will be successful in
reducing these risks.

Additional risks inherent in the Company's international business activities include imposition of government controls; export license requirements; restrictions on
the export of critical technology, products and services; the violation of anti-corruption laws and regulations applicable to the Company, by third parties in countries
where such conduct may be permissible or commonplace; political and economic instability; difficulties in staffing and managing international operations; changes
in data privacy regulations; longer accounts receivable payment cycles; burdens of complying with a wide variety of foreign laws, taxes and regulations;
protectionist economic policies; new foreign tariffs and trade sanctions; new U.S. export and/or import and doing-business regulations, including new trade
sanctions impacting more foreign entities thereby restricting the sale of the Company's products and services to those entities (which may result in an advantage to
certain of the Company's competitors who may not be subject to the same regulatory restrictions); and the fact that patent, copyright, trademark and trade secret
protection may not be available in every foreign country in which the Company sells its products and services. The Company's business, financial position, results of
operations and cash flows could be materially, adversely affected by any of these risks.

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The U.S. government has been requesting foreign governments to renegotiate existing trade agreements with the U.S. and to change currency conversion rates,
increasing uncertainty levels in the international trade environment. While preliminary agreements were reached with Mexico and Canada, a high level of
uncertainty remains in the future trade conditions, including with China, which may have an impact on the Company's business.

In 2017, the United Kingdom initiated a two-year process to leave the European Union commonly known as “Brexit”. The lack of success of the efforts of the
government of the United Kingdom to conclude a withdrawal agreement with the representatives of the European Union creates a high level of uncertainty in the
political, legal and economic environment in the United Kingdom, the European Union and the United States. The Company has significant operations in the United
Kingdom and the European Union. Ongoing uncertainty or the conclusion of withdrawal terms that are disadvantageous for the Company could negatively impact
the Company’s results.

In May 2018, the General Data Protection Regulation (GDPR) went into effect in the European Union. These rules outline a comprehensive set of requirements for
businesses that use any personal data in-scope for the regulation, including the use of data solely for sales, marketing, or support purposes and with respect to
employee data originating in or processed within the European Economic Area. The Company is subject to the requirements of the GDPR with respect to both
customer and employee data, for which non-compliance can result in potentially significant monetary penalties and enhanced regulatory oversight of data practices,
as well as the basis for a private right of action and class action claims. If the Company fails to comply with the GDPR or a number of other data protection
regulations that apply to the Company’s business globally, its reputation may suffer and its financial position, results of operations and cash flows may be negatively
impacted.

Sales Forecasts. The Company makes many operational and strategic decisions based upon short- and long-term sales forecasts. The Company's sales personnel
continually monitor the status of all proposals, including the estimated closing date and the value of the sale, in order to forecast quarterly sales. These forecasts are
subject to significant estimation and are impacted by many external factors, including global economic conditions and the performance of the Company's customers.
A variation in actual sales activity from that forecasted could cause the Company to plan or budget incorrectly and, therefore, could adversely affect the Company's
business, financial position, results of operations and cash flows. The Company's management team forecasts macroeconomic trends and developments, and
integrates them through long-range planning into budgets, research and development strategies and a wide variety of general management duties. Global economic
conditions, and the effect those conditions and other disruptions in global markets have on the Company's customers, may have a significant impact on the accuracy
of the Company's sales forecasts. These conditions may increase the likelihood or the magnitude of variations between actual sales activity and the Company's sales
forecasts and, as a result, the Company's performance may be hindered because of a failure to properly match corporate strategy with economic conditions. This, in
turn, may adversely affect the Company's business, financial position, results of operations and cash flows.

Stock Market and Stock Price Volatility. Market prices for securities of software companies have generally been volatile. In particular, the market price of the
Company's common stock has been, and may continue to be, subject to significant fluctuations as a result of factors affecting the Company, the software industry or
the securities markets in general. Such factors include, but are not limited to, declines in trading price that may be triggered by the Company's failure to meet the
expectations of securities analysts and investors. Moreover, the trading price could be subject to additional fluctuations in response to quarter-to-quarter variations in
the Company's operating results, material announcements made by the Company or its competitors, conditions in the financial markets or the software industry
generally, or other events and factors, many of which are beyond the Company's control.

Rapidly Changing Technology; New Products; Risk of Product Errors. The Company operates in an industry generally characterized by rapidly changing
technology and frequent new product introductions, which can render existing products obsolete or unmarketable. A major factor in the Company's future success
will be its ability to anticipate technological changes and to develop and introduce, in a timely manner, enhancements to its existing products, products acquired in
acquisitions and new products to meet those changes. If the Company is unable to introduce new products and to respond quickly to industry changes, its business,
financial position, results of operations and cash flows could be materially, adversely affected.

The introduction and marketing of new or enhanced products requires the Company to manage the transition from existing products in order to minimize disruption
in customer purchasing patterns. There can be no assurance that the Company will be successful in developing and marketing, on a timely basis, new products or
product enhancements, that the new products will adequately address the changing needs of the marketplace or that the Company will successfully manage the
transition from existing products. Software products as complex as those offered by the Company may contain undetected errors when first introduced, or as new
versions are released, and the likelihood of errors is increased as a result of the Company's commitment to the frequency of its product releases. There can be no
assurance that errors will not be found in any new or enhanced products after the commencement of commercial shipments. Certain products require a higher level
of sales and support expertise. Failure of the Company's sales channel, particularly the indirect channel, to obtain this expertise and to sell the new

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product offerings effectively could have an adverse impact on the Company's sales in future periods. Any of these problems may result in the loss of or delay in
customer acceptance, diversion of development resources, damage to the Company's reputation, or increased service and warranty costs, any of which could have a
material adverse effect on the Company's business, financial position, results of operations and cash flows.

Product Quality. The Company has separate quality systems and registrations under the ISO 9001:2015 standard, in addition to other governmental and industrial
regulations. The Company's continued compliance with quality standards and favorable outcomes in periodic examinations is important to retain current customers
and vital to procure new sales. If the Company was determined not to be compliant with various regulatory or ISO 9001 standards, its certificates of registration
could be suspended, requiring remedial action and a time-consuming re-registration process. Product quality issues or failures could result in the Company's
reputation becoming diminished, resulting in a material adverse impact on revenue, operating margins, net income, financial position and cash flows.

Competition. The Company continues to experience competition across all markets for its products and services. Some of the Company's current and possible future
competitors have greater financial, technical, marketing and other resources than the Company, and some have well-established relationships with current and
potential customers of the Company. The Company's current and possible future competitors also include firms that have competed or may in the future elect to
compete by means of open source licensing. Parties among the Company's current or future strategic alliances may diminish or sever technical, software
development and marketing relationships with the Company for competitive purposes. These competitive pressures may result in decreased sales volumes, price
reductions and/or increased operating costs, and could result in lower revenues, margins and net income.

Research and Development. The Company devotes substantial resources to research and development. New competitors, technological advances in the software
development industry by the Company or by competitors, acquisitions, entry into new markets, or other competitive factors may require the Company to invest
significantly greater resources than it anticipates. If the Company is required to invest significantly greater resources than anticipated without a corresponding
increase in revenue, its operating results could decline. In addition, the Company's periodic research and development expenses may be independent of its level of
revenue, which could negatively impact its financial results. Finally, there can be no guarantee that the Company's research and development investments will result
in products that create additional revenue.

Changes in the Company's Pricing Models.  The intense competition the Company faces in the sales of its products and services, and general economic and
business conditions, can put pressure on the Company to adjust its prices. If the Company's competitors offer deep discounts on certain products or services, or
develop products that the marketplace considers more valuable, the Company may need to lower prices or offer discounts or other favorable terms in order to
compete successfully. Any such changes may reduce operating margins and could adversely affect operating results. The Company's maintenance products, which
include software license updates and product support fees, are generally priced as a percentage of its new software license fees. The Company's competitors may
offer lower percentage pricing on product updates and support that could put pressure on the Company to further discount its new license or product support prices.

Any broad-based change to the Company's prices and pricing policies could cause new software license and service revenues to decline or be delayed as its sales
force implements and its customers adjust to the new pricing policies. Some of the Company's competitors may bundle software products for promotional purposes
or as a long-term pricing strategy or provide guarantees of prices, product implementations or wider geographical license usage provisions. These practices could,
over time, significantly constrain the prices that the Company can charge for certain products. If the Company does not adapt its pricing models to reflect changes in
customer use of its products or changes in customer demand, the Company's new software license revenues could decrease. Additionally, increased distribution of
applications through application service providers, including software-as-a-service providers, may reduce the average price for the Company's products or adversely
affect other sales of the Company's products, reducing new software license revenues unless the Company can offset price reductions with volume increases. The
increase in open source software distribution may also cause the Company to adjust its pricing models.

Dependence on Senior Management and Key Technical Personnel. The Company's success depends upon the continued services of the Company's senior
executives, key technical employees and other employees. Each of the Company's executive officers, key technical personnel and other employees could terminate
his or her relationship with the Company at any time. The loss of any of the Company's senior executives might significantly delay or prevent the achievement of the
Company's business objectives and could materially harm the Company's business and customer relationships.

In addition, because of the highly technical nature of the Company's products, the Company must attract and retain highly skilled engineering and development
personnel, many of whom are recruited from outside of the United States. The market for this talent is highly competitive. The Company is limited in its ability to
recruit internationally by restrictive domestic immigration laws. If the immigration laws become stricter or the processing of immigration requests becomes more

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cumbersome or less efficient, or if the Company has less success in recruiting and retaining key personnel, the Company's business, reputation and operating results
could be materially and adversely affected.

Dependence on Proprietary Technology. The Company's success is highly dependent upon its proprietary technology. The Company generally relies on contracts
and the laws of copyrights, patents, trademarks and trade secrets to protect its technology. The Company maintains a trade secrets program, enters into
confidentiality agreements with its employees and channel partners, and limits access to and distribution of its software, documentation and other proprietary
information. There can be no assurance that the steps taken by the Company to protect its proprietary technology will be adequate to prevent misappropriation of its
technology by third parties, or that third parties will not be able to develop similar technology independently. Costly and time-consuming litigation could be
necessary to enforce and determine the scope of trade secret rights and related confidentiality and nondisclosure provisions. Although the Company is not aware that
any of its technology infringes upon the rights of third parties, there can be no assurance that other parties will not assert technology infringement claims against the
Company or that, if asserted, such claims will not prevail. Any such litigation could be costly to the Company, damage its reputation, and distract the Company’s
employees from their daily work. Any successful infringement claims asserted against the Company could require the Company to develop technology workarounds
for the impacted products or product development, which could be costly, disrupt product development, and delay go-to-market activities. Such disruption and delay
could negatively impact the Company’s results.

Risks Associated with Security of the Company's Products, Source Code and IT Systems. The Company makes significant efforts to maintain and improve the
security and integrity of its products, source code, computer systems and data. Despite significant efforts to create security barriers to such programs, it is virtually
impossible for the Company to entirely mitigate all risks. There appears to be an increasing number of computer “hackers” developing and deploying a variety of
destructive software programs (such as viruses, worms, ransomware and the like) that could attack the Company's products and computer systems. Effective security
requires increasingly broad governance that may require involvement of increased numbers of personnel or departments. As a result, the Company may incur costs
to increase personnel and technology to prevent such attacks and implement such broader governance. Because the techniques used to obtain unauthorized access to
networks or to sabotage systems change frequently and generally are not recognized until launched against a target, the Company may be unable to anticipate these
techniques or to implement adequate preventive measures. Like all software products, the Company's communications system and software is vulnerable to such
attacks. The impact of such an attack could disrupt the proper functioning of the Company's software products, cause errors in the output of its customers' work,
allow unauthorized access to sensitive, proprietary or confidential information of the Company or its customers and employees and result in other destructive
outcomes. If this were to occur, the Company's reputation may suffer, customers may stop buying products, the Company could face lawsuits and potential liability,
and the Company's financial performance could be negatively impacted.

There is also a danger of industrial espionage, cyber-attacks, misuse, theft of information or assets (including source code), or damage to assets by people who have
gained unauthorized access to the Company's facilities, systems or information. This includes phishing, which has become a very prevalent technique. Such
cybersecurity breaches, misuse or other disruptions could lead to the disclosure of portions of the Company's product source code or other confidential information,
improper usage and distribution of the Company's products without compensation, illegal usage of the Company's products which could jeopardize the security of
information stored in and transmitted through its computer systems, and theft, manipulation and destruction of private and proprietary data, resulting in defective
products and production downtimes. Although the Company actively employs measures to combat unlicensed copying, access and use of software and intellectual
property through a variety of techniques, preventing unauthorized use or infringement of the Company's rights is inherently difficult. These events could adversely
affect the Company's financial results or could result in significant claims for damages against it. Participating in lawsuits to protect against any such unauthorized
access to, usage of or disclosure of any of the Company's products or any portion of the Company's product source code, or in prosecutions in connection with any
such cybersecurity breach, could be costly and time-consuming, and may divert management's attention and adversely affect the market's perception of the Company
and its products.

Policing the unauthorized distribution and use of the Company's products is difficult, and software piracy (including online piracy) is a persistent problem. The
proliferation of technology designed to circumvent typical software protection measures used in the Company's products, and the possibility of methods that
circumvent the techniques it employs in its products, may lead to an expansion in piracy or misuse of its products and intellectual property. As a result, and despite
the Company's efforts to prevent such activities, the Company may nonetheless lose significant revenue due to illegal use of its software, and management's attention
may be diverted to address specific instances of piracy or misuse, or to address piracy and misuse in general.

A number of the Company's core processes, such as software development, sales and marketing, customer service and financial transactions, rely on its IT
infrastructure and applications. The Company also relies upon third-party products, which are exposed to various security vulnerabilities. Malicious software,
sabotage and other cybersecurity breaches of the types

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discussed above could cause an outage of the Company's infrastructure, which could lead to a substantial denial of service and ultimately to production downtime,
recovery costs and customer claims. This could have a significant negative impact on the Company's business, financial position, profit and cash flows.

The Company has implemented a number of measures designed to ensure the security of its information, IT resources and other assets. Nonetheless, unauthorized
users could gain access to its systems through cyber-attacks and steal, use without authorization, and sabotage the Company's intellectual property and confidential
data. Any breach of its IT security, misuse or theft could lead to loss of production, recovery costs or litigation brought by employees, customers or business
partners, which could have a significant negative impact on the Company's business, financial position, profit, cash flows and reputation.

Implementation of IT Systems. The Company is currently implementing a new Customer Relationship Management (CRM) system. While this system is anticipated
to simplify the sales and order processing efforts and to enhance customer service, there is a risk that the project will not achieve the anticipated benefits or that the
benefits will not be achieved as quickly as anticipated. There is also a risk that the Company will have to write off previously capitalized expenditures if the project
is not successful or if implementation decisions regarding the project are modified. The project implementation timeline and scope may change and become longer
and broader as new facets of the design and implementation efforts are undertaken. This may take the attention of key operational management away from other
aspects of the business, including the integration of acquisitions, and also result in increased consulting and software costs. These factors may have a significant
negative impact on the Company's business, financial position, profit, cash flows and reputation.

Dependence on Channel Partners. The Company continues to distribute a meaningful portion of its products through its global network of independent, regional
channel partners. The channel partners sell the Company's software products to new and existing customers, expand installations within the existing customer base,
offer consulting services and provide the first line of technical support. Consequently, in certain geographies, the Company is highly dependent upon the efforts of
the channel partners. Difficulties in ongoing relationships with channel partners, such as failure to meet performance criteria or to promote the Company's products
as aggressively as the Company expects, and differences in the handling of customer relationships, could adversely affect the Company's performance. Additionally,
the loss of any major channel partner for any reason, including a channel partner's decision to sell competing products rather than the Company's products, could
have a material adverse effect on the Company. Moreover, the Company's future success will depend substantially on the ability and willingness of its channel
partners to continue to dedicate the resources necessary to promote the Company's portfolio of products and to support a larger installed base of the Company's
products. If the channel partners are unable or unwilling to do so, the Company may be unable to sustain revenue growth.

The Company has been increasing its number of channel partners, particularly in international locations. The business relationships with these channel partners are
recently established and could result in additional compliance burdens for the Company. These partners also have a less-established payment history with the
Company and revenue from these partners could come with a higher rate of bad debt expense.

During times of significant fluctuations in world currencies, certain channel partners may have solvency issues to the extent that effective hedge strategies are not
employed or there is not sufficient working capital. In particular, if the U.S. Dollar strengthens relative to other currencies, certain channel partners who pay the
Company in U.S. Dollars may have trouble paying the Company on time or may have trouble distributing the Company's products due to the impact of the currency
exchange fluctuation on such channel partner's cash flows. This may impact the Company's ability to distribute its products into certain regions and markets, and
may have an adverse effect on the Company's results of operations and cash flows.

Revenue Volatility. As described in Note 3 to the consolidated financial statements included in Part IV, Item 15 of this Annual Report on Form 10-K, the Company
adopted ASC 606 effective January 1, 2018, which significantly impacts the Company's timing, allocation and presentation of lease license, perpetual license and
maintenance revenue. Under previous revenue guidance, the Company historically maintained stable recurring revenue from the sale of software lease licenses and
software maintenance subscriptions. However, under ASC 606, the license component of lease revenue is recognized up front, whereas, it was recognized ratably
over the contract under prior guidance. The post-contract support portion of lease license contracts continues to be recognized over the contract term, but it is now
allocated to maintenance and service revenue.

The Company continues to sell perpetual licenses that involve the payment of a single, upfront fee. Historically, these licenses have been more typical in the
computer software industry and remain as the preferred licensing approach in certain markets. The revenue associated with perpetual licenses continues to be
recognized up front, consistent with prior revenue guidance.

The adoption of the new revenue recognition guidance, coupled with the Company's continued sales of perpetual licenses, creates the likelihood for software license
revenue volatility to increase across periods, particularly as compared to the Company's results under the previous revenue recognition standard. The Company's
revenue in any period will depend significantly on sales contracts completed during that period.

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Renewal Rates for Annual Lease and Maintenance Contracts. A substantial portion of the Company's license and maintenance revenue is derived from annual
lease and maintenance contracts. These contracts are generally renewed on an annual basis and typically have a high rate of customer renewal. In addition to the
recurring revenue base associated with these contracts, a majority of customers purchasing new perpetual licenses also purchase related annual maintenance
contracts. If the rate of renewal for these contracts is adversely affected by economic or other factors, the Company's lease license and maintenance growth will be
adversely affected. As a result, the Company's business, financial position, results of operations and cash flows may also be adversely impacted during those periods.

Risks Associated with Acquisitions. Historically, the Company has consummated acquisitions in order to support the Company's long-term strategic direction,
accelerate innovation, provide increased capabilities to existing products, supply new products and services, expand its customer base and enhance its distribution
channels. The Company has completed a number of acquisitions in recent years and expects to make additional acquisitions in the future, but may not be able to
identify suitable acquisition candidates or, if suitable candidates are identified, the Company may not be able to complete the business combination on commercially
acceptable terms. The process of exploring and pursuing acquisition opportunities may result in devotion of significant management and financial resources.

Even if the Company is able to consummate acquisitions that it believes will be successful, such transactions present many risks including, among others, difficulty
in integrating the management teams, strategies, cultures and operations of the companies; failing to achieve anticipated synergies and revenue increases; difficulty
incorporating and integrating the acquired technologies or products with the Company's existing product lines; difficulty in coordinating, establishing or expanding
sales, distribution and marketing functions, as necessary; difficulty in training the global sales team to sell the acquired products; failure to develop new products and
services that utilize the technologies and resources of the companies; disruption of the Company's ongoing business and diversion of management's attention to
transition or integration issues; unanticipated and unknown liabilities; the loss of key employees, customers, partners and channel partners of the Company or of the
acquired company, resulting in the loss of key information, expertise or know-how, and unanticipated additional recruitment and training costs; infringement of
intellectual property rights; difficulties implementing and maintaining sufficient controls, policies and procedures over the systems, products and processes of the
acquired company; and cybersecurity risks. If the Company does not achieve the anticipated benefits of its acquisitions as rapidly or to the extent anticipated by the
Company's management and financial or industry analysts, there could be a material adverse effect on the Company's stock price, business, financial position, results
of operations and cash flows.

In addition, for companies acquired, limited experience will exist for several quarters following the acquisition relating to how the acquired company's sales
pipelines will convert into sales or revenues, and the conversion rate post-acquisition may be quite different than the historical conversion rate. Because a substantial
portion of the Company's sales are completed in the latter part of a quarter, and its cost structure is largely fixed in the short-term, revenue shortfalls may have a
negative impact on the Company's profitability. A delay in a small number of large, new software license transactions could cause the Company's quarterly software
license revenues to fall significantly short of its predictions.

The Company may periodically be involved in business combinations with enterprises that are developmental in nature. While these entities have leading-edge
technology, they may not have developed direct or indirect distribution channels and may not have software revenues which cover the ongoing expenses. Therefore,
the Company may have a decrease in operating margin and profitability while these types of acquisitions are integrated and the distribution channel incorporates the
new product offerings.

As the Company continues to expand through acquisition or strategic transactions, the acquisition of entities or entry into strategic partnerships with companies that
will be viewed as competitors by other strategic partners may become more likely. Such acquisitions could have an adverse effect on partnerships or impact sales of
the Company's products, which could negatively impact the Company’s results.

Disruption of Operations or Infrastructure Failures. A significant portion of the Company's software development personnel, source code and computer equipment
is located at operating facilities in the United States, Canada, India, Japan and throughout Europe. The occurrence of a natural disaster or other unforeseen
catastrophe at any of these facilities could cause interruptions in the Company's operations, services and product development activities. Additionally, if the
Company experiences problems that impair its business infrastructure, such as a computer virus, telephone system failure or an intentional disruption of its
information technology systems by a third party, these interruptions could have a material adverse effect on the Company's business, financial position, results of
operations, cash flows and the ability to meet financial reporting deadlines. Further, because the Company's sales are not generally linear during any quarterly
period, the potential adverse effects resulting from any of the events described above or any other disruption of the Company's business could be accentuated if it
occurs close to the end of a fiscal quarter.

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Risks Associated with Significant Sales to Existing Customers. A significant portion of the Company's sales includes follow-on sales to existing customers that
invest in the Company's broad suite of engineering simulation software and services. If a significant number of current customers were to become dissatisfied with
the Company's products and services, or choose to license or utilize competitive offerings, the Company's follow-on sales, and recurring lease and maintenance
revenues, could be materially, adversely impacted, resulting in reduced revenue, operating margins, net income and cash flows.

Industry Consolidation. Consolidation in industries that utilize the Company’s software may result in combined workforces
where economies of scale and synergies are achieved, and fewer ANSYS software licenses are required. Consolidation may
also result in the newly combined/surviving entity wanting the most favorable pricing from the former contracts and expecting
larger volume discounts on future purchases. If a customer is acquired by an entity that does not utilize ANSYS in favor of a competing product, the Company may
not have future orders from the enterprise. Further, consolidation of the Company's competitors may result in synergies that allow those competitors to benefit from
broader sales channels and increased access to capital. Any of these impacts could adversely affect the Company's business, financial position, results of operations
and cash flows.

Periodic Reorganization of Sales Force. The Company relies heavily on its direct sales force. From time to time, the Company reorganizes and makes adjustments
to its sales leadership and/or its sales force in response to such factors as management changes, performance issues, market opportunities and other considerations.
These changes may result in a temporary lack of sales production and may adversely impact revenue in future quarters. There can be no assurance that the Company
will not restructure its sales force in future periods or that the transition issues associated with such a restructuring will not occur.

Governmental Revenue Sources.  The Company's sales to the United States government must comply with Federal Acquisition Regulations. Failure to comply with
these regulations could result in penalties being assessed against the Company or an order preventing the Company from making future sales to the United States
government. Further, the Company's international activities must comply with the export control laws of the United States and other countries, the Foreign Corrupt
Practices Act, the United Kingdom Bribery Act of 2010 and a variety of other laws and regulations of the United States and other countries in which the Company
operates. Failure to comply with any of these laws and regulations could adversely affect the Company's business, financial position, results of operations and cash
flows.

In certain circumstances, the United States government, state and local governments and their respective agencies, and certain foreign governments may have the
right to terminate contractual arrangements at any time, without cause. The United States, European Union and certain other government contracts, as well as the
Company's state and local level contracts, are subject to the approval of appropriations or funding authorizations. Certain of these contracts permit the imposition of
various civil and criminal penalties and administrative sanctions, including, but not limited to, termination of contracts, refund of a portion of fees received,
forfeiture of profits, suspension of payments, fines and suspensions or debarment from future government business, any of which could have an adverse effect on the
Company's results of operations and cash flows.

Contingencies. The Company is subject to various investigations, claims and legal proceedings that arise in the ordinary course of business, including commercial
disputes, labor and employment matters, tax audits and litigations, alleged infringement of intellectual property rights and other matters. Use or distribution of the
Company’s products could generate product liability, regulatory infraction, or similar claims by the customers or end users of the Company or its indirect sales
partners, government entities, or other third parties. Each of these matters is subject to various uncertainties, and it is possible that an unfavorable resolution of one
or more of these matters could materially affect the Company's results of operations, cash flows and financial position.

Income Tax Estimates. The Company makes significant estimates in determining its worldwide income tax provision. These estimates involve complex tax
regulations in a number of jurisdictions across the Company's global operations and are subject to many transactions and calculations in which the ultimate tax
outcome is uncertain. The final outcome of tax matters could be different than the estimates reflected in the historical income tax provision and related accruals.
Such differences could have a material impact on income tax expense and net income in the periods in which such determinations are made.

The amount of income tax paid by the Company is subject to ongoing audits by federal, state and foreign tax authorities. These audits can result in additional
assessments, including interest and penalties. The Company's estimate for liabilities associated with uncertain tax positions is highly judgmental and actual future
outcomes may result in favorable or unfavorable adjustments to the Company's estimated tax liabilities, including estimates for uncertain tax positions, in the period
the assessments are made or resolved, audits are closed or when statutes of limitation on potential assessments expire. As a result, the Company's effective tax rate
may fluctuate significantly on a quarterly or annual basis.

The Company allocates a portion of its purchase price to goodwill and intangible assets. Impairment charges associated with goodwill are generally not tax-
deductible and will result in an increased effective income tax rate in the period the impairment is recorded. The Company has recorded significant deferred tax
liabilities related to acquired intangible assets that are not

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deductible for tax purposes. These deferred tax liabilities are based on future statutory tax rates in the locations in which the intangible assets are recorded. Any
future changes in statutory tax rates would be recorded as an adjustment to the deferred tax liabilities in the period the change is announced, and could have a
material impact on the Company's effective tax rate during that period.

Changes in Tax Law. The Company's operations are subject to income and transaction taxes in the United States and in multiple foreign jurisdictions. A change in
the tax law in the jurisdictions in which the Company does business, including an increase in tax rates, an adverse change in the treatment of an item of income or
expense, or a decrease in tax rates in a jurisdiction in which the Company has significant deferred tax assets, could result in a material increase in tax expense.
Currently, a substantial portion of the Company's revenue is generated from customers located outside the United States, and a substantial portion of assets are
located outside the United States. Changes in existing taxation rules or practices, new taxation rules, or varying interpretations of current taxation practices could
have a material adverse effect on the Company's results of operations or the manner in which the Company conducts its business.

Interest Rates. Borrowings under the Company's revolving credit facility use the London Interbank Offering Rate (LIBOR) as a benchmark for establishing the
interest rate. LIBOR is the subject of recent national, international and other regulatory guidance and proposals for reform. These reforms and other pressures may
cause LIBOR to disappear entirely or to perform differently than in the past. The consequences of these developments cannot be entirely predicted, but could include
an increase in the cost of the Company's variable rate indebtedness.

Changes  in  Existing  Financial  Accounting  Standards.  Changes  in  existing  accounting  rules  or  practices,  new  accounting  pronouncements,  or  varying
interpretations  of  current  accounting  pronouncements  could  have  a  significant  adverse  effect  on  the  Company's  results  of  operations  or  the  manner  in  which  the
Company conducts its business.

In addition, the Company could incur significant costs for changes to its business systems, processes and internal controls as a result of the transition. These costs
could have a significant adverse impact on the Company's results of operations and cash flows. The transition could also cause management to divert time from the
day-to-day  operations  of  the  Company,  which  could  impact  the  Company's  business.  If  the  Company  is  unable  to  successfully  transition  its  business  systems,
processes and internal controls before the guidance effective date, it could impact the ability to meet financial reporting deadlines. For further information on the
impact  of  recently  issued  accounting  guidance  on  the  Company,  see  Note  2 to  the  consolidated  financial  statements  included  in  Part  IV, Item  15  of  this  Annual
Report on Form 10-K.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 2.

PROPERTIES

The Company's executive offices and those related to certain domestic product development, marketing, production and administration are located in a LEED
certified, 186,000 square foot office facility in Canonsburg, Pennsylvania. The lease for this facility was effective as of September 14, 2012 and expires on
December 31, 2029, excluding any renewal or termination options.

The Company owns: a 70,000 square foot office facility in Lebanon, New Hampshire; a 62,000 square foot office building near its current Canonsburg headquarters;
a 59,000 square foot facility in Pune, India; and a 5,000 square foot facility in Apex, North Carolina.

The Company and its subsidiaries also lease office space in various locations throughout the world. The Company owns substantially all equipment used in its
facilities. Management believes that, in most geographic locations, its facilities allow for sufficient space to support present and future foreseeable needs, including
such expansion and growth as the business may require. In other geographic locations, the Company expects that it will be required to expand capacity beyond that
which it currently owns or leases.

The Company's properties and equipment are in good operating condition and are adequate for the Company's current needs. The Company does not anticipate
difficulty in renewing existing leases as they expire or in finding alternative facilities.

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ITEM 3.

LEGAL PROCEEDINGS

The Company is subject to various investigations, claims and legal proceedings that arise in the ordinary course of business, including commercial disputes, labor
and employment matters, tax audits, alleged infringement of intellectual property rights and other matters. In the opinion of the Company, the resolution of pending
matters is not expected to have a material adverse effect on the Company's consolidated results of operations, cash flows or financial position. However, each of
these matters is subject to various uncertainties and it is possible that an unfavorable resolution of one or more of these proceedings could materially affect the
Company's results of operations, cash flows or financial position.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

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PART II

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

EQUITY SECURITIES

The Company's common stock trades on the Nasdaq Global Select Market tier of the Nasdaq Stock Market under the symbol: "ANSS".

On February 15, 2019, there were 132 stockholders of record.

The Company has not paid cash dividends on its common stock as it has retained earnings primarily for acquisitions, for future business opportunities and to
repurchase stock when authorized by the Board of Directors and when such repurchase meets the Company's objectives. The Company reviews its policy with
respect to the payment of dividends from time to time; however, there can be no assurance that any dividends will be paid in the future.

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Table of Contents

Performance Graph

Set forth below is a line graph comparing the yearly percentage change in the cumulative total stockholder return on the Company's common stock, based on the
market price per share of the Company's common stock, with the total return of companies included within the Nasdaq Composite Stock Market Index, the Russell
1000 Index, the S&P 500 Stock Index and an industry peer group of four companies (Autodesk, Inc., PTC Inc., Cadence Design Systems, Inc. and Synopsys, Inc.)
selected by the Company pursuant to Item 201(e) of Regulation S-K, for the period commencing December 31, 2013 and ending December 31, 2018 . The
calculation of total cumulative returns assumes a $100 investment in the Company's common stock, the Nasdaq Composite Stock Market Index, the Russell 1000
Index, the S&P 500 Stock Index and the peer group on December 31, 2013, and the reinvestment of all dividends, and accounts for all stock splits. The historical
information set forth below is not necessarily indicative of future performance.

ASSUMES $100 INVESTED ON DECEMBER 31, 2013

ASSUMES DIVIDENDS REINVESTED

FIVE FISCAL YEARS ENDING DECEMBER 31, 2018

2013

2014

2015

2016

2017

2018

As of December 31,

ANSYS, Inc.

Nasdaq Composite

Russell 1000 Index

S&P 500 Stock Index

Peer Group

$

$

$

$

$

100   $

100   $

100   $

100   $

100   $

94   $

115   $

113   $

114   $

116   $

23

106   $

123   $

114   $

115   $

120   $

106   $

134   $

128   $

129   $

149   $

169   $

173   $

156   $

157   $

217   $

164

168

148

150

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Equity Compensation Plan Information as of December 31, 2018

Plan Category
Equity Compensation Plans Approved by Security Holders

1996 Stock Option and Grant Plan

1996 Employee Stock Purchase Plan

Equity Compensation Plans Not Approved by Security Holders (6)

Ansoft Corporation 2006 Stock Incentive Plan

Apache Design Solutions, Inc. 2001 Stock/Option Issuance Plan

SpaceClaim Corporation 2005 Stock Incentive Plan

Gear Design Solutions, Inc. Stock Incentive Plan

Total

(a)

(b)

Number of Securities
to be Issued Upon
Exercise of
Outstanding Options,
Warrants and Rights

Weighted Average
Exercise Price of
Outstanding Options,
Warrants and Rights (1)

(c)

Number of Securities
Remaining Available
for Future Issuance
Under Equity
Compensation Plans
(excluding securities
reflected in column
(a))

3,027,267 (2)

  $

65.46  

(4)

(5)

6,246,619 (3)

242,643

57,242   $

46,963   $

3,471   $

4,502   $

3,139,445    

41.02  

19.38  

23.81  

12.26  

—

—

—

—

6,489,262

(1) The weighted average exercise price does not take into account the shares for outstanding restricted stock units or deferred stock awards, which have no

exercise price.

(2)

Includes 1,521,525 shares for outstanding restricted stock units for employees, 1,371,661 shares for outstanding stock options, 13,632 shares for outstanding
restricted stock units for non-employee directors and 120,449 shares for deferred stock awards for non-employee directors. Restricted stock units with a
performance or market condition are included based on assumed target performance, unless performance is otherwise known.

(3) The number of securities remaining available for future issuance assumes maximum attainment for awards with a performance condition or a market

condition.

(4) The number of shares issuable with respect to the current offering period is not determinable until the end of the period.

(5) The per share purchase price of shares issuable with respect to the current offering period is not determinable until the end of the period.

(6) The Company no longer issues awards under equity compensation plans not approved by security holders.

Unregistered Sale of Equity Securities and Use of Proceeds

None.

Issuer Purchases of Equity Securities

Period
October 1 - October 31, 2018

November 1 - November 30, 2018

December 1 - December 31, 2018

Total

Total Number of Shares
Purchased

Average Price Paid per
Share

Total Number of Shares
Purchased as Part of
Publicly Announced
Plans or Programs

Maximum Number of
Shares that May Yet Be
Purchased Under Plans
or Programs (1)

500,000   $

154.03  

500,000  

—   $

—   $

—  

—  

—  

—  

500,000   $

154.03  

500,000  

3,825,505

3,825,505

3,825,505

3,825,505

(1) The Company initially announced its stock repurchase program in February 2000, and subsequently announced various amendments to the program. The most
recent amendment to the program, authorizing the repurchase of up to 5,000,000 shares, was approved by the Company's Board of Directors in February 2018.
There is no expiration date to this amendment.

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ITEM 6.

SELECTED FINANCIAL DATA

The following table sets forth selected financial data as of and for the year ended December 31 for each of the last five years. This selected financial data should be
read in conjunction with the consolidated financial statements and related notes included in Part IV, Item 15 of this Annual Report on Form 10-K.

(in thousands, except per share data)
Total revenue

Operating income

Net income

Earnings per share – basic

Weighted average shares – basic

Earnings per share – diluted

Weighted average shares – diluted

Total assets

Working capital

Long-term liabilities

Stockholders' equity

Cash provided by operating activities

2018 (1)

2017

2016

2015

2014

Year Ended December 31,

  $

1,293,636   $

1,095,250   $

988,465   $

942,753   $

476,574  

419,375  

4.99   $

83,973  

4.88   $

85,913  

390,728  

259,251  

3.05   $

84,988  

2.98   $

86,854  

376,242  

265,636  

3.05   $

87,227  

2.99   $

88,969  

353,679  

252,521  

2.82   $

89,561  

2.76   $

91,502  

936,021

347,450

254,690

2.77

92,067

2.70

94,194

3,265,964   $

2,941,623   $

2,800,526   $

2,729,904   $

2,752,879

786,410  

91,650  

2,649,547  

486,437  

661,713  

87,239  

2,245,831  

430,438  

630,301  

53,021  

2,208,405  

365,980  

592,280  

51,331  

2,194,427  

375,699  

617,240

70,303

2,217,501

399,838

  $

  $

  $

(1) Effective January 1, 2018, the Company adopted new guidance on revenue recognition. The Company elected to adopt the change in accounting principle using
the modified retrospective approach. Results for reporting periods beginning after January 1, 2018 are presented under the new guidance, while prior period amounts
are not adjusted and continue to be reported in accordance with previous guidance. For further information, see Note 3 to the consolidated financial statements
included in Part IV, Item 15 of this Annual Report on Form 10-K.

In the table above, the comparability of information among the years presented is impacted by the Company's acquisitions. The operating results of the Company's
acquisitions have been included in the results of operations since their respective acquisition dates. For further information, see the “Acquisitions” section of
Management's Discussion and Analysis of Financial Condition and Results of Operations in Item 7 and Note 4 to the consolidated financial statements included in
Part IV, Item 15 of this Annual Report on Form 10-K.

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

Overview

Overall GAAP and Non-GAAP Results

The Company's growth rates of GAAP and non-GAAP results for the year ended December 31, 2018 as compared to the year ended December 31, 2017 were as
follows:

Under ASC 605

GAAP

Impact of ASC 606
Adoption (1)

Total

Under ASC 605

Non-GAAP

Impact of ASC 606
Adoption (1)

Revenue

Operating income

Diluted earnings per share

11.1%  

2.2%  

39.3%  

7.0%  

19.8%  

24.5%  

18.1%  

22.0%  

63.8%  

12.2%  

7.4%  

32.2%  

6.5%  

13.9%  

16.9%  

Total

18.7%

21.3%

49.1%

(1) The Company adopted Accounting Standards Codification 606 (ASC 606) on January 1, 2018 using the modified retrospective approach for all contracts not
completed as of the date of adoption. Results for reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts are not
adjusted and continue to be reported in accordance with ASC 605, Revenue Recognition (ASC 605). The adoption of ASC 606 significantly impacted the timing,
allocation and presentation of lease license, perpetual license and maintenance revenue. For further information on the impact of this adoption on the Company's
results, see Note 3 to the consolidated financial statements included in Part IV, Item 15 of this Annual Report on Form 10-K.

Under ASC 605, the Company experienced higher revenue during the year ended December 31, 2018 across all classes of revenue, including license revenue,
maintenance and services. The Company also experienced increased operating expenses primarily due to increased personnel costs, higher stock-based
compensation and OPTIS expenses for the period from the acquisition date (May 2, 2018) through December 31, 2018. These increases were partially offset by
restructuring in 2017 that did not reoccur in 2018.

The non-GAAP results exclude the income statement effects of the acquisition accounting adjustment to deferred revenue, stock-based compensation, amortization
of acquired intangible assets, restructuring charges, transaction costs related to business combinations, and the impact of the enactment of the Tax Cuts and Jobs Act.
For further disclosure regarding non-GAAP results, see the section titled "Non-GAAP Results" immediately preceding the section titled "Liquidity and Capital
Resources."

Impact of OPTIS

On May 2, 2018, the Company completed the acquisition of OPTIS. The table presented below reflects the impact of OPTIS from the date of acquisition to
December 31, 2018 . The operating (loss) income does not include integration costs borne directly by ANSYS, Inc. and its non-OPTIS subsidiaries as a result of the
acquisition.

(in thousands)
Revenue

Operating (loss) income

Year Ended December 31, 2018

ASC 606

ASC 605

GAAP

Non-GAAP

GAAP

Non-GAAP

$

$

18,532   $

(5,462)   $

27,261   $

4,992   $

12,276   $

(11,718)   $

26,703

4,434

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Impact of Foreign Currency

The Company's comparative financial results were impacted by fluctuations in the U.S. Dollar during the year ended December 31, 2018 as compared to the year
ended December 31, 2017 . The impacts on the Company's revenue and operating income due to currency fluctuations are reflected in the table below. Amounts in
brackets indicate an adverse impact from currency fluctuations.

(in thousands)
Revenue

Operating income

Year Ended December 31, 2018

ASC 606

ASC 605

GAAP

Non-GAAP

GAAP

Non-GAAP

$

$

14,622   $

9,620   $

14,647   $

9,855   $

14,847   $

10,295   $

14,884

10,545

Using ASC 606 and ASC 605 results for the year ended December 31, 2018 and 2017 , respectively, the Company's constant currency (1) growth rates (2) were as
follows:

Revenue

Operating income

In constant currency, the Company's growth rates (2) under ASC 605 were as follows:

Revenue

Operating income

Year Ended December 31, 2018

GAAP

Non-GAAP

16.8%  

19.5%  

17.3%

19.4%

Year Ended December 31, 2018

GAAP

Non-GAAP

9.7 %  

(0.4)%  

10.8%

5.3%

(1) Constant currency amounts exclude the effect of foreign currency fluctuations on the reported results. To present this information, the 2018 results for entities
whose functional currency is a currency other than the U.S. Dollar were converted to U.S. Dollars at rates that were in effect for 2017 , rather than the actual
exchange rates in effect for 2018 .

(2) The constant currency growth rates are calculated by adjusting the 2018 reported revenue and operating income amounts by the 2018 currency fluctuation impacts
in the table above and comparing to the 2017 reported revenue and operating income amounts.

Other Financial Information

The Company’s financial position includes $777.4 million in cash and short-term investments, and working capital of $786.4 million as of December 31, 2018 .

During the year ended December 31, 2018 , the Company repurchased 1.7 million shares for $269.8 million at an average price of $161.12 per share under the
Company's stock repurchase program.

Business

ANSYS, a Delaware corporation formed in 1994, develops and globally markets engineering simulation software and services widely used by engineers, designers,
researchers and students across a broad spectrum of industries and academia, including aerospace and defense, automotive, electronics, semiconductors, energy,
materials and chemical processing, turbomachinery, consumer products, healthcare, and sports. Headquartered south of Pittsburgh, Pennsylvania, the Company and
its subsidiaries employed approximately 3,400 people as of December 31, 2018 . The Company focuses on the development of open and flexible solutions that
enable users to analyze designs directly on the desktop, providing a common platform for fast, efficient and cost-conscious product development, from design
concept to final-stage testing and validation. The Company distributes its ANSYS suite of simulation technologies through a global network of independent resellers
and distributors (collectively, channel partners) and direct sales offices in strategic, global locations. It is the Company's intention to continue to maintain this hybrid
sales and distribution model.

The Company licenses its technology to businesses, educational institutions and governmental agencies. Growth in the Company's revenue is affected by the
strength of global economies, general business conditions, currency exchange rate fluctuations, customer budgetary constraints and the competitive position of the
Company's products. Please see Item 1A. Risk

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Factors for a complete discussion of factors that might impact the Company's financial condition and operating results. The Company believes that the features,
functionality and integrated multiphysics capabilities of its software products are as strong as they have ever been. However, the software business is generally
characterized by long sales cycles. These long sales cycles increase the difficulty of predicting sales for any particular quarter. The Company makes many
operational and strategic decisions based upon short- and long-term sales forecasts that are impacted not only by these long sales cycles, but also by current global
economic conditions. As a result, the Company believes that its overall performance is best measured by fiscal year results rather than by quarterly results. Please
see the sub-section entitled "Sales Forecasts" under Item 1A. Risk Factors for a complete discussion of the potential impact of the Company's sales forecasts on the
Company's financial condition, cash flows and operating results.

The Company's management considers the competition and price pressure that it faces in the short- and long-term by focusing on expanding the breadth, depth, ease
of use and quality of the technologies, features, functionality and integrated multiphysics capabilities of its software products as compared to its competitors;
investing in research and development to develop new and innovative products and increase the capabilities of its existing products; supplying new products and
services; focusing on customer needs, training, consulting and support; and enhancing its distribution channels. From time to time, the Company also considers
acquisitions to supplement its global engineering talent, product offerings and distribution channels.

Geographic Trends

Compared to the ASC 605 revenue for the year ended December 31, 2017 , the Company's geographic revenue growth during the year ended December 31, 2018
was as follows:

Americas

Europe, Middle East and Africa (EMEA)

Asia-Pacific

Total

Year Ended December 31, 2018

ASC 606

ASC 605

Reporting Currency

  Constant Currency

Reporting Currency

  Constant Currency

19.4%  

22.3%  

12.2%  

18.1%  

19.4%  

18.3%  

11.7%  

16.8%  

13.7%  

12.4%  

6.1%  

11.1%  

13.7%

8.6%

5.4%

9.7%

Due to the change in revenue recognition under ASC 606, the ASC 606 growth rates presented above, which compare the 2018 results under ASC 606 to the 2017
results under ASC 605, are less representative of the underlying operations of each region than those presented under ASC 605.

The Company continues to focus on a number of sales improvement activities across the geographic regions, including sales hiring, pipeline building, productivity
initiatives and customer engagement activities.

Industry Commentary:

Due to the continued investments in autonomous vehicles and electrification, the automotive industry remained strong throughout 2018. Investments in smart,
connected products and 5G by companies around the globe bolstered the high-tech industry during the year. Increased defense spending in both the United States
and Europe supported strong performance in aerospace and defense. The industrial equipment sector saw growth due to the continued focus on efficiency and
reliability.

Acquisitions

In February 2019, the Company acquired 100% of the shares of Granta Design Limited (Granta Design) and Helic, Inc. (Helic) for a combined purchase price of
approximately $261.5 million. The acquisition of Granta Design, the premier provider of materials information technology, expands the Company's portfolio into
this important area, giving customers access to material intelligence, including data that is critical to successful simulations. The acquisition of Helic, the industry-
leading provider of electromagnetic crosstalk solutions for systems on chips, combined with the Company's flagship electromagnetic and semiconductor solvers, will
provide a comprehensive solution for on-chip, 3D integrated circuit and chip-package-system electromagnetics and noise analysis.

During the year ended December 31, 2018 , the Company completed the acquisition of 100% of the shares of OPTIS, a premier provider of software for scientific
simulation of light, human vision and physics-based visualization, for a purchase price of $291.0 million , paid in cash. The acquisition extended the Company's
portfolio into the area of optical simulation to provide comprehensive sensor solutions, covering visible and infrared light, electromagnetics and acoustics for
camera, radar and lidar.

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During the years ended December 31, 2017 and 2016 , the Company completed various acquisitions to expand its customer base and accelerate the development of
new and innovative products to the marketplace while lowering design and engineering costs for customers. The acquisitions were not individually significant. The
combined purchase prices of the acquisitions purchased during the years ended December 31, 2017 and 2016 were approximately $67.0 million and $10.3 million ,
respectively.

For further information on the Company's business combinations during the years ended December 31, 2018, 2017 and 2016, see Note 4 to the consolidated
financial statements included in Part IV, Item 15 of this Annual Report on Form 10-K.

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Results of Operations

For purposes of the following discussion and analysis, the table below sets forth certain consolidated financial data for the years 2018 , 2017 and 2016 . The
operating results of the Company's acquisitions have been included in the results of operations since their respective acquisition dates.

(in thousands)
Revenue:

Software licenses

Maintenance and service

Total revenue

Cost of sales:

Software licenses

Amortization

Maintenance and service

Total cost of sales

Gross profit

Operating expenses:

Selling, general and administrative

Research and development

Amortization

Total operating expenses

Operating income

Interest income

Other expense, net

Income before income tax provision

Income tax provision

Net income

2018 
(ASC 606)

2018 
(ASC 605)

2017 
(ASC 605)

2016
(ASC 605)

Year Ended December 31,

  $

576,717   $

716,919  

676,846   $

539,623  

624,964   $

470,286  

1,293,636  

1,216,469  

1,095,250  

18,619  

27,034  

110,232  

155,885  

1,137,751  

413,580  

233,802  

13,795  

661,177  

476,574  

11,419  

(908)  

487,085  

67,710  

36,852  

27,034  

91,999  

155,885  

1,060,584  

413,580  

233,802  

13,795  

661,177  

399,407  

11,419  

(908)  

409,918  

53,067  

34,421  

36,794  

78,949  

150,164  

945,086  

338,640  

202,746  

12,972  

554,358  

390,728  

6,962  

(1,996)  

395,694  

136,443  

  $

419,375   $

356,851   $

259,251   $

30

568,174

420,291

988,465

28,860

38,092

79,908

146,860

841,605

269,515

183,093

12,755

465,363

376,242

4,209

(136)

380,315

114,679

265,636

 
 
 
 
 
 
   
   
   
   
 
 
   
   
   
   
 
 
 
 
 
   
   
   
   
 
 
 
 
 
 
 
 
 
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Year Ended December 31, 2018 Compared to Year Ended December 31, 2017

Revenue:

(in thousands, except percentages)
Revenue:

Lease licenses

Perpetual licenses

Software licenses

Maintenance

Service

Maintenance and service

Year Ended December 31,

2018 
(ASC 606)

2017 
(ASC 605)

Change

Amount

%

  Constant Currency %

$

275,619   $

376,886   $

(101,267)  

301,098  

576,717  

676,883  

40,036  

716,919  

248,078  

624,964  

440,428  

29,858  

470,286  

53,020  

(48,247)  

236,455  

10,178  

246,633  

198,386  

(26.9)  

21.4  

(7.7)  

53.7  

34.1  

52.4  

18.1  

(27.4)

20.2

(8.5)

51.6

33.1

50.4

16.8

Total revenue

$

1,293,636   $

1,095,250   $

The adoption of ASC 606 significantly impacted the timing, allocation and presentation of lease license, perpetual license and maintenance revenue. For further
information on the impact of this adoption on the Company's results, see Note 3 to the consolidated financial statements included in Part IV, Item 15 of this Annual
Report on Form 10-K.

For purposes of comparability, the changes in the following table and the related discussion that follows are presented in accordance with ASC 605.

(in thousands, except percentages)
Revenue:

Lease licenses

Perpetual licenses

Software licenses

Maintenance

Service

Maintenance and service

Year Ended December 31,

2018 
(ASC 605)

2017 
(ASC 605)

Change

Amount

%

  Constant Currency %

$

421,268   $

376,886   $

255,578  

676,846  

499,510  

40,113  

539,623  

248,078  

624,964  

440,428  

29,858  

470,286  

44,382  

7,500  

51,882  

59,082  

10,255  

69,337  

11.8  

3.0  

8.3  

13.4  

34.3  

14.7  

11.1  

10.7

2.0

7.2

11.6

33.4

13.0

9.7

Total revenue

$

1,216,469   $

1,095,250   $

121,219  

The Company’s ASC 605 revenue in the year ended December 31, 2018 increased 11.1 % as compared to the year ended December 31, 2017 , while revenue grew
9.7% in constant currency. The growth rate was favorably impacted by the Company’s continued investment in its global sales, support and marketing organizations;
continued progress with market segmentation and go-to-market adjustments; and the May 2018 acquisition of OPTIS. Lease license revenue increased 11.8% , or
10.7% in constant currency, as compared to the year ended December 31, 2017 . Perpetual license revenue, which is derived primarily from new sales during the
year, increased 3.0% , or 2.0% in constant currency, as compared to the year ended December 31, 2017 . Annual maintenance contracts that were sold with new
perpetual licenses, along with maintenance contracts for perpetual licenses sold in previous quarters, contributed to maintenance revenue growth of 13.4 %, or
11.6% in constant currency. Service revenue, driven primarily by a focus on service offerings that provide on-site mentorship on simulation best practices, training
and expanding simulation adoption, increased 34.3% , or 33.4% in constant currency, as compared to the year ended December 31, 2017 .

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With respect to revenue, on average for the year ended December 31, 2018 , the U.S. Dollar was approximately 2.3% weaker and 2.6% weaker, when measured
against the Company’s primary foreign currencies, than for the year ended December 31, 2017 under ASC 606 and ASC 605, respectively. The table below presents
the impacts of currency fluctuations on revenue for the year ended December 31, 2018 . Amounts in brackets indicate a net adverse impact from currency
fluctuations.

(in thousands)
Euro

Japanese Yen

South Korean Won

British Pound

Indian Rupee

Other

Total

Year Ended December 31, 2018

ASC 606

ASC 605

12,498   $

2,088  

918  

870  

(1,623)  

(129)  

14,622   $

11,915

2,075

1,182

1,083

(1,372)

(36)

14,847

$

$

The net overall weaker U.S. Dollar also resulted in increased operating income of $9.6 million and $10.3 million for the year ended December 31, 2018 as compared
to the year ended December 31, 2017 under ASC 606 and ASC 605, respectively.

A substantial portion of the Company's lease license and maintenance revenue is derived from annual lease and maintenance contracts. These contracts are generally
renewed on an annual basis and have a high rate of customer renewal. In addition to the recurring revenue base associated with these contracts, a majority of
customers purchasing new perpetual licenses also purchase related annual maintenance contracts. As a result of the significant recurring revenue base, the
Company's lease license and maintenance revenue growth rate in any period does not necessarily correlate to the growth rate of new licenses sold during that period
under ASC 605. The same is true for maintenance revenue growth under ASC 606. However, under ASC 606, lease license revenue is entirely attributed to license
sales completed during the period, resulting in a higher correlation of lease license revenue growth to the growth rate of new lease license sales than that under ASC
605. To the extent the rate of customer renewal for lease and maintenance contracts is high, incremental lease contracts, and maintenance contracts sold with new
perpetual licenses, will result in lease license and maintenance growth in constant currency. Conversely, if the rate of renewal for these contracts is adversely
affected by economic or other factors, the Company's lease license and maintenance growth will be adversely affected.

The Company has been experiencing an increased interest by some of its larger customers in enterprise agreements that often include longer-term, time-based
licenses involving a larger number of the Company's software products. While these arrangements typically involve a higher overall transaction price, the revenue
from these contracts is typically deferred and recognized over the period of the contract under ASC 605, resulting in increased deferred revenue and backlog. To the
extent these types of contracts replace sales of perpetual licenses, there could be a near-term adverse impact on software license and maintenance revenue growth.
Under ASC 606, the upfront recognition of license revenue related to these larger, multi-year transactions can result in significantly higher lease license revenue
volatility. As software products, across a large variety of applications and industries, become increasingly distributed in software-as-a-service, cloud and other
subscription environments in which the licensing approach is time-based rather than perpetual, the Company is also experiencing a shifting preference from
perpetual licenses to time-based licenses across a broader spectrum of its customers, particularly in the more mature geographic markets, such as the U.S. and Japan.

As a percentage of revenue, the Company's international and domestic revenues, and the Company's direct and indirect revenues, are as follows:

International

Domestic

Direct revenue

Indirect revenue

Year Ended December 31,

2018
(ASC 606)

2018
(ASC 605)

2017
(ASC 605)

60.9%  

39.1%  

77.6%  

22.4%  

60.5%  

39.5%  

76.5%  

23.5%  

61.9%

38.1%

75.2%

24.8%

In valuing deferred revenue on the balance sheets of the Company's recent acquisitions as of their respective acquisition dates, the Company applied the fair value
provisions applicable to the accounting for business combinations, resulting in a reduction

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of deferred revenue as compared to its historical carrying amount. As a result, the Company's post-acquisition revenue will be less than the sum of what would have
otherwise been reported by ANSYS and each acquiree absent the acquisitions. Under ASC 606, the impacts on reported revenue were $9.4 million for the year
ended December 31, 2018 . The expected impacts on reported revenue, including an estimate for the Granta and Helic acquisitions, are $2.2 million and $6.5 million
for the quarter ending March 31, 2019 and the year ending December 31, 2019 , respectively. The Company has not yet performed a valuation of the Granta and
Helic acquired deferred revenue. Until such valuation is completed, the expected impacts on revenue will remain preliminary estimates that are likely to change.
Under ASC 605, the impacts on reported revenue were $15.6 million and $2.9 million for the years ended December 31, 2018 and 2017, respectively.

Cost of Sales and Operating Expenses:

The tables below reflect the Company's operating results as presented on the consolidated statements of income, which are inclusive of foreign currency translation
impacts. The adoption of ASC 606 resulted in a reclassification of expenses within cost of sales from software licenses to maintenance and service. Amounts
included in the discussion that follows are provided in constant currency and do not include the impact of the OPTIS acquisition. The impact of the OPTIS
acquisition on each expense line is provided separately, where material. The impact, where material, of foreign exchange translation on each expense line is also
provided separately and is inclusive of the OPTIS acquisition.

(in thousands, except percentages)
Cost of sales:

Software licenses

Amortization

Maintenance and service

Total cost of sales

Gross profit

Year Ended December 31,

2018

2017

Change

Amount

% of
Revenue

Amount

% of
Revenue

Amount

%

$

18,619  

27,034  

110,232  

155,885  

$

1,137,751  

1.4   $

2.1  

8.5  

12.1  

87.9   $

34,421  

36,794  

78,949  

150,164  

945,086  

3.1   $

(15,802)  

3.4  

7.2  

13.7  

(9,760)  

31,283  

5,721  

86.3   $

192,665  

(45.9)

(26.5)

39.6

3.8

20.4

Software Licenses: The net decrease in the cost of software licenses was primarily due to the following:

•

•

Reclassification of $18.2 million of cost of sales, previously reflected within software licenses, to maintenance and service due to the adoption of ASC 606
in 2018.

OPTIS-related software license expenses of $1.6 million for the period from the acquisition date (May 2, 2018) through December 31, 2018.

Amortization: The decrease in amortization expense was primarily due to a net decrease in the amortization of trade names and acquired technology due to assets
that became fully amortized.

Maintenance and Service: The increase in maintenance and service costs was primarily due to the following:

•

•

•

•

Reclassification of $18.2 million of cost of sales, previously reflected within software licenses, to maintenance and service due to the adoption of ASC 606
in 2018.

Increased third-party technical support of $5.5 million.

OPTIS-related maintenance and service expenses of $2.8 million for the period from the acquisition date (May 2, 2018) through December 31, 2018.

Increased salaries of $2.1 million.

The improvement in gross profit was a result of the increase in revenue, partially offset by the increase in the related cost of sales.

33

 
   
   
 
 
 
 
 
 
 
 
   
   
   
   
   
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(in thousands, except percentages)
Operating expenses:

Selling, general and administrative

Research and development

Amortization

Total operating expenses

Year Ended December 31,

2018

2017

Change

Amount

% of
Revenue

Amount

% of
Revenue

Amount

%

$

$

413,580  

233,802  

13,795  

661,177  

32.0   $

18.1  

1.1  

338,640  

202,746  

12,972  

30.9   $

18.5  

1.2  

74,940  

31,056  

823  

51.1   $

554,358  

50.6   $

106,819  

22.1

15.3

6.3

19.3

Selling, General and Administrative: The net increase in selling, general and administrative costs was primarily due to the following:

•

•

•

•

•

•

Increased salaries, incentive compensation and other headcount-related costs of $35.2 million.

Increased stock-based compensation of $15.3 million.

OPTIS-related selling, general and administrative expenses of $13.8 million for the period from the acquisition date (May 2, 2018) through December 31,
2018.

Increased business travel of $3.9 million.

Increased severance expenses of $3.7 million.

Decreased consulting costs of $7.1 million.

The Company anticipates that it will continue to make targeted investments in its global sales and marketing organizations and its global business infrastructure to
enhance and support its revenue-generating activities.

Research and Development: The net increase in research and development costs was primarily due to the following:

•

•

•

•

•

Increased salaries, incentive compensation and other headcount-related costs of $15.2 million.

Increased stock-based compensation of $11.6 million.

OPTIS-related research and development expenses of $5.9 million for the period from the acquisition date (May 2, 2018) through December 31, 2018.

Increased IT maintenance and software hosting costs of $1.5 million.

Restructuring costs of $6.8 million related to 2017 workforce realignment activities that did not reoccur in 2018.

The Company has traditionally invested significant resources in research and development activities and intends to continue to make investments in expanding the
ease of use and capabilities of its broad portfolio of simulation software products.

Interest Income: Interest income for the year ended December 31, 2018 was $11.4 million as compared to $7.0 million for the year ended December 31, 2017 .
Interest income increased as a result of an increase in the average rate of return on invested cash balances.

Other Expense, net: The Company's other expense, net consists of the following:

(in thousands)
Foreign currency losses, net

Investment gains, net

Other

Total other expense, net

Year Ended December 31,

2018

2017

(3,058)   $

(1,935)

2,204  

(54)  

(908)   $

24

(85)

(1,996)

$

$

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Income Tax Provision: The Company's income before income tax provision, income tax provision and effective tax rate were as follows:

(in thousands, except percentages)
Income before income tax provision

Income tax provision

Effective tax rate

Year Ended December 31,

2018 
(ASC 606)

2018 
(ASC 605)

2017 
(ASC 605)

$

$

487,085

67,710

  $

  $

13.9%  

409,918

53,067

  $

  $

12.9%  

395,694

136,443

34.5%

On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (Tax Reform). Tax Reform
makes broad and complex changes to the U.S. tax code, including, but not limited to, (1) reducing the U.S. federal corporate tax rate from 35 percent to 21 percent;
(2) requiring companies to pay a one-time federal income tax on certain unrepatriated earnings of foreign subsidiaries (transition tax); (3) generally eliminating U.S.
federal income taxes on dividends from foreign subsidiaries; (4) creating a new provision designed to tax global intangible low-taxed income (GILTI) which allows
for the possibility of using foreign tax credits (FTCs) and a deduction of up to 50 percent to offset the income tax liability (subject to some limitations); (5) repealing
the domestic production activity deduction; (6) creating the foreign-derived intangible income deduction; (7) creating the base erosion anti-abuse tax, a new
minimum tax; (8) allowing for full expensing of qualified property through bonus depreciation; and (9) creating limitations on the deductibility of certain executive
compensation.

The SEC staff issued Staff Accounting Bulletin (SAB) 118, which provides guidance on accounting for the tax effects of Tax Reform. SAB 118 provided a
measurement period that was limited to one year from enactment for companies to complete the accounting under ASC 740, Income Taxes . In accordance with SAB
118, throughout the measurement period, a company must reflect the income tax effects of those aspects of Tax Reform for which the accounting under ASC 740
was complete in the financial statements. To the extent that a company’s accounting for certain income tax effects of Tax Reform was incomplete, but a reasonable
estimate was able to be made, the company must record a provisional estimate in the financial statements. If a company could not determine a provisional estimate to
be included in the financial statements, it should continue to apply ASC 740 on the basis of the tax laws that were in effect immediately before the enactment of Tax
Reform.

As further discussed below, the Company finalized its provisional Tax Reform calculations as of the end of the measurement period, based on guidance and
information available as of the reporting date. The U.S. government has not yet issued final guidance related to the new rules enacted as part of Tax Reform.
Subsequent adjustments, if any, will be recorded in the period in which guidance is finalized.

The Company’s accounting for the impact of the reduction in the U.S. federal corporate tax rate on the Company's deferred tax assets and liabilities is complete. Tax
Reform reduced the corporate tax rate to 21 percent, effective January 1, 2018. Consequently, the Company recorded a net adjustment to deferred income tax
expense of $1.9 million for the year ended December 31, 2017 to revalue the Company’s deferred tax assets and liabilities. No further adjustments were recorded for
the year ended December 31, 2018.

The Company’s accounting for the transition tax is complete. Reasonable estimates of certain effects were calculated and a provisional adjustment of $16.0 million
was recorded in the December 31, 2017 financial statements. To determine the amount of the transition tax, the Company determined, in addition to other factors,
the amount of post-1986 earnings and profits (E&P) of the relevant subsidiaries, as well as the amount of non-U.S. income taxes paid on such earnings. Based on
revised E&P calculations updated during the measurement period, the Company recognized an additional measurement-period adjustment of $0.9 million to the
transition tax obligation and a corresponding adjustment to tax expense, resulting in a total transition tax obligation of $16.9 million. The Company has elected to
pay this liability over eight years; however, in accordance with IRS issued guidance, tax overpayments from the year ended December 31, 2017 are required to be
applied to the transition tax obligation. Based on this guidance, $15.6 million of the obligation has been paid, with the remaining $1.3 million recorded in other long-
term liabilities at December 31, 2018.

The Company’s accounting for the indefinite reinvestment assertion is complete. In general, it is the practice and intention of the Company to repatriate previously
taxed earnings in excess of working capital needs and to reinvest all other earnings of its non-U.S. subsidiaries. As part of Tax Reform, the Company incurred U.S.
tax on substantially all of the earnings of its non-U.S. subsidiaries as part of the transition tax. This tax increased the Company’s previously taxed earnings and
allows for the repatriation of the majority of its foreign earnings without any residual U.S. federal tax. The Company does not believe that there is an excess of the
financial reporting basis over the tax basis of investments in foreign subsidiaries. Accordingly, any repatriation in excess of previously taxed earnings will be a non-
taxable return of basis. During the year ended December 31, 2018, the Company repatriated $144.3 million of foreign cash. The Company has not made any
measurement-period adjustments related to its indefinite reinvestment assertion during the year ended December 31, 2018.

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The Company’s accounting policy choice for GILTI is complete. Under U.S. GAAP, the Company is allowed to make an accounting policy choice of either (1)
treating taxes due on future U.S. inclusions in taxable income related to GILTI as a current-period expense when incurred (the period cost method) or (2) factoring
such amounts into the Company’s measurement of its deferred taxes (the deferred method). The Company selected the period cost method and recorded GILTI tax
expense of $0.4 million in the financial statements for the year ended December 31, 2018.

The decrease in the effective tax rate from the prior year is primarily due to the reduction in the U.S. federal corporate tax rate from 35 percent to 21 percent enacted
as part of Tax Reform, the additional $15.1 million of transition tax in 2017 when compared to 2018, and a net $6.7 million benefit related to global legal entity
restructuring activities. The effective tax rate was also reduced by the foreign-derived intangible income deduction, increased research and development credits and
increased stock-based compensation benefits, partially offset by the loss of the domestic manufacturing deduction, which was repealed as part of Tax Reform. When
compared to the federal and state combined statutory rate, the effective tax rates for the years ended December 31, 2018 and 2017 were favorably impacted by tax
benefits from stock-based compensation and research and development credits.

Net Income: The Company's net income, diluted earnings per share and weighted average shares used in computing diluted earnings per share were as follows:

(in thousands, except per share data)
Net income

Diluted earnings per share

Weighted average shares outstanding - diluted

Year Ended December 31,

2018
(ASC 606)

2018
(ASC 605)

2017
(ASC 605)

$

$

419,375   $

356,851   $

4.88   $

85,913  

4.15   $

85,913  

259,251

2.98

86,854

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Year Ended December 31, 2017 Compared to Year Ended December 31, 2016

Revenue:

(in thousands, except percentages)
Revenue:

Lease licenses

Perpetual licenses

Software licenses

Maintenance

Service

Maintenance and service

Year Ended December 31,

2017

2016

Amount

Change

%

  Constant Currency %

$

376,886   $

340,331   $

248,078  

624,964  

440,428  

29,858  

470,286  

227,843  

568,174  

394,745  

25,546  

420,291  

36,555  

20,235  

56,790  

45,683  

4,312  

49,995  

10.7  

8.9  

10.0  

11.6  

16.9  

11.9  

10.8  

10.8

7.6

9.5

11.0

16.0

11.3

10.3

Total revenue

$

1,095,250   $

988,465   $

106,785  

The Company's revenue increased 10.8%, or 10.3% in constant currency, during the year ended December 31, 2017 as compared to the year ended December 31,
2016. The growth rate was favorably impacted by the Company's continued investment in its global sales, support and marketing organizations. Lease license
revenue increased 10.7%, or 10.8% in constant currency, as compared to the prior year. Perpetual license revenue, which is derived primarily from new sales,
increased 8.9%, or 7.6% in constant currency, as compared to the prior year. Annual maintenance contracts that were sold with new perpetual licenses, along with
maintenance contracts sold with new perpetual licenses in previous years, contributed to maintenance revenue growth of 11.6%, or 11.0% in constant currency.
Service revenue, primarily composed of consulting projects, increased 16.9%, or 16.0% in constant currency.

With respect to revenue, on average for the year ended December 31, 2017, the U.S. Dollar was 1.0% weaker, when measured against the Company's primary
foreign currencies, than for the year ended December 31, 2016. The table below presents the impacts of currency fluctuations on revenue for the year ended
December 31, 2017. Amounts in brackets indicate a net adverse impact from currency fluctuations.

(in thousands)
Euro

South Korean Won

Taiwan Dollar

Indian Rupee

Japanese Yen

British Pound

Other

Total

Year Ended December 31,
2017

$

$

6,634

1,439

886

838

(3,416)

(1,316)

329

5,394

The net overall weaker U.S. Dollar also resulted in increased operating income of $3.5 million for the year ended December 31, 2017 as compared to the year ended
December 31, 2016.

As a percentage of revenue, the Company's international and domestic revenues, and the Company's direct and indirect revenues, are as follows:

International

Domestic

Direct revenue

Indirect revenue

Year Ended December 31,

2017

2016

61.9%  

38.1%  

75.2%  

24.8%  

62.8%

37.2%

75.6%

24.4%

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In valuing deferred revenue on the balance sheets of the Company's recent acquisitions as of their respective acquisition dates, the Company applied the fair value
provisions applicable to the accounting for business combinations, resulting in a reduction of deferred revenue as compared to its historical carrying amount. As a
result, the Company's post-acquisition revenue will be less than the sum of what would have otherwise been reported by ANSYS and each acquiree absent the
acquisitions. The impacts on reported revenue for the years ended December 31, 2017 and 2016 were $2.9 million and $0.1 million, respectively.

Cost of Sales and Operating Expenses:

The tables below reflect the Company's operating results as presented on the consolidated statements of income, which are inclusive of foreign currency translation
impacts. Amounts included in the discussion that follows are provided in constant currency. The impact, where material, of foreign exchange translation on each
expense line is provided separately.

(in thousands, except percentages)
Cost of sales:

Software licenses

Amortization

Maintenance and service

Total cost of sales

Gross profit

Year Ended December 31,

2017

2016

Change

Amount

% of
Revenue

Amount

% of
Revenue

Amount

%

$

$

34,421  

36,794  

78,949  

150,164  

945,086  

3.1   $

3.4  

7.2  

13.7  

86.3   $

28,860  

38,092  

79,908  

146,860  

841,605  

2.9   $

3.9  

8.1  

14.9  

5,561  

(1,298)  

(959)  

3,304  

85.1   $

103,481  

19.3

(3.4)

(1.2)

2.2

12.3

Software Licenses: The increase in the cost of software licenses was primarily due to the following:

•

•

•

Increased third-party royalties of $2.9 million.

Increased salaries and other headcount-related costs of $1.6 million.

Increased restructuring costs of $0.6 million.

Amortization: The decrease in amortization expense was primarily due to a net decrease in the amortization of acquired technology, partially offset by an increase in
the amortization of trade names.

Maintenance and Service: The net decrease in maintenance and service costs was primarily due to the following:

•

•

•

•

•

Decreased salaries and other headcount-related costs of $4.0 million, primarily due to a redeployment of technical personnel resources to pre-sales
activities.

Decreased depreciation and facility costs, each of $0.6 million.

Increased third-party technical support of $2.1 million.

Increased restructuring costs of $1.7 million.

Increased stock-based compensation of $1.0 million.

The improvement in gross profit was a result of the increase in revenue, partially offset by the increase in the related cost of sales.

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(in thousands, except percentages)
Operating expenses:

Selling, general and administrative

Research and development

Amortization

Total operating expenses

Year Ended December 31,

2017

2016

Change

Amount

% of
Revenue

Amount

% of
Revenue

Amount

%

$

$

338,640  

202,746  

12,972  

554,358  

30.9   $

18.5  

1.2  

269,515  

183,093  

12,755  

27.3   $

18.5  

1.3  

69,125  

19,653  

217  

50.6   $

465,363  

47.1   $

88,995  

25.6

10.7

1.7

19.1

Selling, General and Administrative: The increase in selling, general and administrative costs was primarily due to the following:

•

•

•

Increased salaries, incentive compensation and other headcount-related costs of $42.1 million.

Increased stock-based compensation of $14.8 million.

Increased consulting costs of $7.3 million.

Research and Development: The increase in research and development costs was primarily due to the following:

•

•

•

Increased salaries, incentive compensation and other headcount-related costs of $9.6 million.

Increased restructuring costs of $6.5 million.

Increased stock-based compensation of $3.8 million.

Interest Income: Interest income for the year ended December 31, 2017 was $7.0 million as compared to $4.2 million for the year ended December 31, 2016. Interest
income increased as a result of an increase in both the Company's average invested cash balances and the average rate of return on those balances.

Other Expense, net: The Company's other expense, net consists of the following:

(in thousands)
Foreign currency (losses) gains, net

Other

Total other expense, net

Year Ended December 31,

2017

2016

$

$

(1,935)   $

(61)  

(1,996)   $

77

(213)

(136)

Income Tax Provision: The Company's income before income tax provision, income tax provision and effective tax rate were as follows:

(in thousands, except percentages)
Income before income tax provision

Income tax provision

Effective tax rate

Year Ended December 31,

2017

2016

$

$

395,694

136,443

  $

  $

34.5%  

380,315

114,679

30.2%

The increase in the effective tax rate from the prior year is primarily due to tax charges of $17.9 million related to Tax Reform, partially offset by increased tax
benefits of $13.1 million related to stock-based compensation in 2017. In addition, the 2016 effective tax rate was reduced by entity structuring and related
repatriation benefits of $10.8 million that did not reoccur in 2017. In the first quarter of 2017, the Company adopted ASU 2016-09, Compensation - Stock
Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting , which requires excess tax benefits and deficiencies related to stock-
based compensation to be reflected in the income statement as a component of the provision for income taxes. Previously, these tax effects were reflected in
stockholders' equity.

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When compared to the federal and state combined statutory rate, the effective tax rates for the years ended December 31, 2017 and 2016 were favorably impacted by
the domestic manufacturing deduction and research and development credits. The rates were also favorably impacted by the recurring item of lower statutory tax
rates in many of the Company's foreign jurisdictions.

Net Income: The Company's net income, diluted earnings per share and weighted average shares used in computing diluted earnings per share were as follows:

(in thousands, except per share data)
Net income

Diluted earnings per share

Weighted average shares outstanding - diluted

Year Ended December 31,

2017

2016

$

$

259,251   $

2.98   $

86,854  

265,636

2.99

88,969

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Non-GAAP Results

The Company provides non-GAAP revenue, non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP diluted
earnings per share as supplemental measures to GAAP regarding the Company's operational performance. These financial measures exclude the impact of certain
items and, therefore, have not been calculated in accordance with GAAP. A detailed explanation and a reconciliation of each non-GAAP financial measure to its
most comparable GAAP financial measure are described below.

ASC 606

Year Ended December 31, 2018

(in thousands, except percentages and per share data)
Total revenue

Operating income

Operating profit margin

Net income

Earnings per share – diluted:

Earnings per share

Weighted average shares

GAAP Results
$ 1,293,636

476,574

  Adjustments
  $

9,442 (1) $ 1,303,078
618,016

141,442 (2)

Non-GAAP 
Results

$

$

36.8%    

47.4%

419,375

  $

94,510 (3) $

513,885

4.88

85,913

$

5.98

85,913

(1) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with the accounting for deferred

revenue in business combinations.

(2) Amount represents $83.3 million of stock-based compensation expense, $4.3 million of excess payroll taxes related to stock-based awards, $40.8 million of

amortization expense associated with intangible assets acquired in business combinations, $3.5 million of transaction expenses related to business
combinations and the $9.4 million adjustment to revenue as reflected in (1) above.

(3) Amount represents the impact of the adjustments to operating income referred to in (2) above, decreased for the related income tax impact of $47.9 million

and increased for a measurement-period adjustment related to the Tax Cuts and Jobs Act of $0.9 million and rabbi trust expense of $0.1 million.

ASC 605

Year Ended December 31,

(in thousands, except percentages and per
share data)
Total revenue

Operating income

Operating profit margin

Net income

Earnings per share – diluted:

Earnings per share

Weighted average shares

$

$

$

2018

Adjustments

15,583 (1) $
147,583 (2)

As
Reported

1,216,469

  $

399,407

32.8%    

Non-GAAP
Results
1,232,052

546,990

  $

As
Reported
1,095,250

390,728

2017

Adjustments

  $

2,856 (4) $

118,567 (5)

44.4%  

35.7%    

Non-GAAP
Results
1,098,106

509,295

46.4%

356,851

  $

98,832 (3) $

455,683

  $

259,251

  $

88,663 (6) $

347,914

4.15

85,913

$

5.30

  $

85,913

2.98

86,854

$

4.01

86,854

(1) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with the accounting for deferred

revenue in business combinations.

(2) Amount represents $83.3 million of stock-based compensation expense, $4.3 million of excess payroll taxes related to stock-based awards, $40.8 million of

amortization expense associated with intangible assets acquired in business combinations, $3.5 million of transaction expenses related to business
combinations and the $15.6 million adjustment to revenue as reflected in (1) above.

(3) Amount represents the impact of the adjustments to operating income referred to in (2) above, decreased for the related income tax impact of $49.7 million

and increased for a measurement-period adjustment related to the Tax Cuts and Jobs Act of $0.9 million and rabbi trust expense of $0.1 million.

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(4) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with the accounting for deferred

revenue in business combinations.

(5) Amount represents $53.2 million of stock-based compensation expense, $49.8 million of amortization expense associated with intangible assets acquired in
business combinations, $11.7 million of restructuring charges, $1.1 million of transaction expenses related to business combinations and the $2.9 million
adjustment to revenue as reflected in (4) above.

(6) Amount represents the impact of the adjustments to operating income referred to in (5) above, decreased for the related income tax impact of $52.5 million,
excluding the impact of the Tax Cuts and Jobs Act, and rabbi trust income of $0.1 million, and increased for total net impacts of the Tax Cuts and Jobs Act
of $22.7 million.

ASC 605

Year Ended December 31,

(in thousands, except percentages and per
share data)
Total revenue

Operating income

Operating profit margin

Net income

Earnings per share – diluted:

Earnings per share

Weighted average shares

$

$

$

2017

2016

As
Reported

1,095,250

390,728

  Adjustments
  $

2,856 (1) $

118,567 (2)

Non-GAAP
Results
1,098,106

509,295

As
Reported

988,465

376,242

  $

  Adjustments
  $

103 (4) $

88,114 (5)

35.7%    

46.4%  

38.1%    

Non-GAAP
Results
988,568

464,356

47.0%

259,251

  $

88,663 (3) $

347,914

  $

265,636

  $

57,286 (6) $

322,922

2.98

86,854

$

4.01

  $

86,854

2.99

88,969

$

3.63

88,969

(1) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with the accounting for deferred

revenue in business combinations.

(2) Amount represents $53.2 million of stock-based compensation expense, $49.8 million of amortization expense associated with intangible assets acquired in
business combinations, $11.7 million of restructuring charges, $1.1 million of transaction expenses related to business combinations and the $2.9 million
adjustment to revenue as reflected in (1) above.

(3) Amount represents the impact of the adjustments to operating income referred to in (2) above, decreased for the related income tax impact of $52.5 million,
excluding the impact of the Tax Cuts and Jobs Act, and rabbi trust income of $0.1 million, and increased for total net impacts of the Tax Cuts and Jobs Act
of $22.7 million.

(4) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with the accounting for deferred

revenue in business combinations.

(5) Amount represents $50.8 million of amortization expense associated with intangible assets acquired in business combinations, $33.3 million of stock-based
compensation expense, $3.4 million of restructuring charges, $0.4 million of transaction expenses related to business combinations and the $0.1 million
adjustment to revenue as reflected in (4) above.

(6) Amount represents the impact of the adjustments to operating income referred to in (5) above, adjusted for the related income tax impact of $30.8 million.

Non-GAAP Measures

Management uses non-GAAP financial measures (a) to evaluate the Company's historical and prospective financial performance as well as its performance relative
to its competitors, (b) to set internal sales targets and spending budgets, (c) to allocate resources, (d) to measure operational profitability and the accuracy of
forecasting, (e) to assess financial discipline over operational expenditures and (f) as an important factor in determining variable compensation for management and
its employees. In addition, many financial analysts that follow the Company focus on and publish both historical results and future projections based on non-GAAP
financial measures. The Company believes that it is in the best interest of its investors to provide this information to analysts so that they accurately report the non-
GAAP financial information. Moreover, investors have historically requested, and the Company has historically reported, these non-GAAP financial measures as a
means of providing consistent and comparable information with past reports of financial results.

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While management believes that these non-GAAP financial measures provide useful supplemental information to investors, there are limitations associated with the
use of these non-GAAP financial measures. These non-GAAP financial measures are not prepared in accordance with GAAP, are not reported by all the Company's
competitors and may not be directly comparable to similarly titled measures of the Company's competitors due to potential differences in the exact method of
calculation. The Company compensates for these limitations by using these non-GAAP financial measures as supplements to GAAP financial measures and by
reviewing the reconciliations of the non-GAAP financial measures to their most comparable GAAP financial measures.

The adjustments to these non-GAAP financial measures, and the basis for such adjustments, are outlined below:

Acquisition accounting for deferred revenue and its related tax impact.  Historically, the Company has consummated acquisitions in order to support its
strategic and other business objectives. In accordance with the fair value provisions applicable to the accounting for business combinations, acquired deferred
revenue is often recorded on the opening balance sheet at an amount that is lower than the historical carrying value. Although this acquisition accounting
requirement has no impact on the Company's business or cash flow, it adversely impacts the Company's reported GAAP revenue in the reporting periods following
an acquisition. In order to provide investors with financial information that facilitates comparison of both historical and future results, the Company provides non-
GAAP financial measures which exclude the impact of the acquisition accounting adjustment. The Company believes that this non-GAAP financial adjustment is
useful to investors because it allows investors to (a) evaluate the effectiveness of the methodology and information used by management in its financial and
operational decision-making, and (b) compare past and future reports of financial results of the Company as the revenue reduction related to acquired deferred
revenue will not recur when related annual lease licenses and software maintenance contracts are renewed in future periods.

Amortization of intangible assets from acquisitions and its related tax impact.  The Company incurs amortization of intangible assets, included in its GAAP
presentation of amortization expense, related to various acquisitions it has made. Management excludes these expenses and their related tax impact for the purpose
of calculating non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP diluted earnings per share when it evaluates
the continuing operational performance of the Company because these costs are fixed at the time of an acquisition, are then amortized over a period of several years
after the acquisition and generally cannot be changed or influenced by management after the acquisition. Accordingly, management does not consider these
expenses for purposes of evaluating the performance of the Company during the applicable time period after the acquisition, and it excludes such expenses when
making decisions to allocate resources. The Company believes that these non-GAAP financial measures are useful to investors because they allow investors to
(a) evaluate the effectiveness of the methodology and information used by management in its financial and operational decision-making, and (b) compare past
reports of financial results of the Company as the Company has historically reported these non-GAAP financial measures.

Stock-based compensation expense and its related tax impact . The Company incurs expense related to stock-based compensation included in its GAAP
presentation of cost of software licenses; cost of maintenance and service; research and development expense; and selling, general and administrative expense. This
non-GAAP adjustment also includes excess payroll tax expense related to stock-based compensation. Stock-based compensation expense (benefit) incurred in
connection with the Company's deferred compensation plan held in a rabbi trust includes an offsetting benefit (charge) recorded in other income (expense). Although
stock-based compensation is an expense of the Company and viewed as a form of compensation, management excludes these expenses for the purpose of calculating
non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP diluted earnings per share when it evaluates the
continuing operational performance of the Company. Management similarly excludes income (expense) related to assets held in a rabbi trust in connection with the
Company's deferred compensation plan. Specifically, the Company excludes stock-based compensation and income (expense) related to assets held in the deferred
compensation plan rabbi trust during its annual budgeting process and its quarterly and annual assessments of the Company's and management's performance. The
annual budgeting process is the primary mechanism whereby the Company allocates resources to various initiatives and operational requirements. Additionally, the
annual review by the board of directors during which it compares the Company's historical business model and profitability to the planned business model and
profitability for the forthcoming year excludes the impact of stock-based compensation. In evaluating the performance of senior management and department
managers, charges related to stock-based compensation are excluded from expenditure and profitability results. In fact, the Company records stock-based
compensation expense into a stand-alone cost center for which no single operational manager is responsible or accountable. In this way, management can review, on
a period-to-period basis, each manager's performance and assess financial discipline over operational expenditures without the effect of stock-based compensation.
The Company believes that these non-GAAP financial measures are useful to investors because they allow investors to (a) evaluate the Company's operating results
and the effectiveness of the methodology used by management to review the Company's operating results, and (b) review historical comparability in the Company's
financial reporting as well as comparability with competitors' operating results.

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Restructuring charges and the related tax impact. The Company occasionally incurs expenses for restructuring its workforce included in its GAAP presentation
of cost of software licenses; cost of maintenance and service; research and development expense; and selling, general and administrative expense. Management
excludes these expenses for the purpose of calculating non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP
diluted earnings per share when it evaluates the continuing operational performance of the Company, as it generally does not incur these expenses as a part of its
operations. The Company believes that these non-GAAP financial measures are useful to investors because they allow investors to (a) evaluate the Company's
operating results and the effectiveness of the methodology used by management to review the Company's operating results, and (b) review historical comparability
in the Company's financial reporting as well as comparability with competitors' operating results.

Transaction costs related to business combinations.  The Company incurs expenses for professional services rendered in connection with business combinations,
which are included in its GAAP presentation of selling, general and administrative expense. These expenses are generally not tax-deductible. Management excludes
these acquisition-related transaction expenses, derived from announced acquisitions, for the purpose of calculating non-GAAP operating income, non-GAAP
operating profit margin, non-GAAP net income and non-GAAP diluted earnings per share when it evaluates the continuing operational performance of the
Company, as it generally would not have otherwise incurred these expenses in the periods presented as a part of its operations. The Company believes that these
non-GAAP financial measures are useful to investors because they allow investors to (a) evaluate the Company's operating results and the effectiveness of the
methodology used by management to review the Company's operating results, and (b) review historical comparability in the Company's financial reporting as well as
comparability with competitors' operating results.

Tax Cuts and Jobs Act.  The Company recorded charges in its income tax provision related to the enactment of the Tax Cuts and Jobs Act, specifically for the
transition tax related to unrepatriated cash and the impacts of the tax rate change on net deferred tax assets. Management excludes these charges for the purpose of
calculating non-GAAP net income and non-GAAP diluted earnings per share when it evaluates the continuing operational performance of the Company, as (i) the
charges are not expected to recur as part of its normal operations and (ii) the charges resulted from the extremely infrequent event of major U.S. tax reform, the last
such  reform  having  occurred  in  1986.  The  Company  believes  that  these  non-GAAP  financial  measures  are  useful  to  investors  because  they  allow  investors  to
(a)  evaluate  the  Company's  operating  results  and  the  effectiveness  of  the  methodology  used  by  management  to  review  the  Company's  operating  results,  and
(b) review historical comparability in the Company's financial reporting.

Non-GAAP financial measures are not in accordance with, or an alternative for, GAAP. The Company's non-GAAP financial measures are not meant to be
considered in isolation or as a substitute for comparable GAAP financial measures and should be read only in conjunction with the Company's consolidated financial
statements prepared in accordance with GAAP.

The Company has provided a reconciliation of the non-GAAP financial measures to the most directly comparable GAAP financial measures as listed below:

GAAP Reporting Measure
Revenue

Operating Income

Operating Profit Margin

Net Income

Diluted Earnings Per Share

Non-GAAP Reporting Measure
Non-GAAP Revenue

Non-GAAP Operating Income

Non-GAAP Operating Profit Margin

Non-GAAP Net Income

Non-GAAP Diluted Earnings Per Share

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Liquidity and Capital Resources

(in thousands, except percentages)
Cash, cash equivalents and short-term investments

Working capital

As of December 31,

Change

2018
777,364   $

2017
881,787   $

Amount

%

(104,423)  

786,410   $

661,713   $

124,697  

(11.8)

18.8

  $

  $

Cash, cash equivalents and short-term investments decreased during the current fiscal year primarily due to cash utilized in the May 2, 2018 acquisition of OPTIS,
partially offset by the excess of cash provided by operating activities over cash used in financing activities.

Cash, Cash Equivalents and Short-Term Investments

Cash and cash equivalents consist primarily of highly liquid investments such as money market funds and deposits held at major banks. Short-term investments
consist primarily of deposits held by certain foreign subsidiaries of the Company with original maturities of three months to one year. The following table presents
the Company's foreign and domestic holdings of cash, cash equivalents and short-term investments:

(in thousands, except percentages)
Domestic

Foreign

Total

As of December 31,

2018

  % of Total

2017

$

$

616,249  

161,115  

777,364    

79.3   $

20.7  

  % of Total
63.7

561,417  

320,370  

36.3

  $

881,787    

In general, it is the practice and intention of the Company to repatriate previously taxed earnings in excess of working capital needs and to reinvest all other earnings
of its non-U.S. subsidiaries. As part of Tax Reform, the Company incurred U.S. tax on substantially all of the earnings of its non-U.S. subsidiaries as part of the
transition tax. This tax increased the Company’s previously taxed earnings and allows for the repatriation of the majority of its foreign earnings without any residual
U.S. federal tax. The Company does not believe that there is an excess of the financial reporting basis over the tax basis of investments in foreign subsidiaries.
Accordingly, any repatriation in excess of previously taxed earnings will be a non-taxable return of basis. During the year ended December 31, 2018, the Company
repatriated $144.3 million of foreign cash, which increased the percentage of domestic cash, cash equivalents and short-term investments at December 31, 2018.

The amount of cash, cash equivalents and short-term investments held by foreign subsidiaries is subject to translation adjustments caused by changes in foreign
currency exchange rates as of the end of each respective reporting period, the offset to which is recorded in accumulated other comprehensive loss on the Company's
consolidated balance sheet.

Cash Flows from Operating Activities

(in thousands)
Net cash provided by operating activities

2018
486,437   $

2017
430,438   $

2016
365,980   $

  $

2018 vs. 2017

2017 vs. 2016

55,999   $

64,458

Year Ended December 31,

Change

Fiscal year 2018 as compared to fiscal year 2017

Net cash provided by operating activities increased during the current fiscal year due to increased net income (net of non-cash operating adjustments) of $151.4
million , partially offset by decreased net cash flows from operating assets and liabilities of $95.4 million .

Fiscal year 2017 as compared to fiscal year 2016

Net cash provided by operating activities increased during the prior fiscal year due to increased net cash flows from operating assets and liabilities of $46.5 million
and increased net income (net of non-cash operating adjustments) of $17.9 million.

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Cash Flows from Investing Activities

(in thousands)
Net cash used in investing activities

2018
(313,680)   $

2017
(97,443)   $

2016
(32,173)   $

  $

2018 vs. 2017

2017 vs. 2016

(216,237)   $

(65,270)

Year Ended December 31,

Change

Fiscal year 2018 as compared to fiscal year 2017

Net cash used in investing activities increased during the current fiscal year due primarily to increased acquisition-related net cash outlays of $219.1 million ,
primarily related to OPTIS. The Company currently plans capital spending of $35 million to $40 million during fiscal year 2019 as compared to the $21.8 million
that was spent in 2018 . The level of spending will depend on various factors, including the growth of the business and general economic conditions.

Fiscal year 2017 as compared to fiscal year 2016

Net cash used in investing activities increased during the prior fiscal year due to increased acquisition-related net cash outlays of $56.0 million and increased capital
expenditures of $6.7 million.

Cash Flows from Financing Activities

(in thousands)
Net cash used in financing activities

2018
(262,675)   $

2017
(294,651)   $

2016
(288,630)   $

  $

2018 vs. 2017

2017 vs. 2016

31,976   $

(6,021)

Year Ended December 31,

Change

Fiscal year 2018 as compared to fiscal year 2017

Net cash used in financing activities decreased during the current fiscal year due primarily to decreased stock repurchases of $66.2 million , partially offset by
increased restricted stock unit withholding taxes paid in lieu of issuing shares of $17.8 million and decreased proceeds from shares issued for stock-based
compensation of $11.5 million .

Fiscal year 2017 as compared to fiscal year 2016

Net cash used in financing activities increased during the prior fiscal year due primarily to increased restricted stock unit withholding taxes paid in lieu of issuing
shares of $6.1 million.

Other Cash Flow Information

The Company believes that existing cash and cash equivalent balances of $777.1 million , together with cash generated from operations, will be sufficient to meet
the Company's working capital and capital expenditure requirements through the next twelve months. The Company's cash requirements in the future may also be
financed through additional equity or debt financings. There can be no assurance that additional financings can be obtained on favorable terms, if at all.

Under the Company's stock repurchase program, the Company repurchased shares as follows:

(in thousands, except per share data)
Number of shares repurchased

Average price paid per share

Total cost

Year Ended December 31,

2018

2017

2016

$

$

1,674  

161.12   $

269,801   $

2,750  

122.20   $

336,042   $

3,700

90.90

336,335

The most recent amendment to the program, authorizing the repurchase of up to 5,000,000 shares, was approved by the Company's Board of Directors in February
2018. There is no expiration date to this amendment. As of December 31, 2018 , 3.8 million shares remained available for repurchase under the program.

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The Company continues to generate positive cash flows from operating activities and believes that the best uses of its excess cash are to invest in the business and
acquire or make investments in complementary companies, products, services and technologies. Any future acquisitions may be funded by available cash and
investments, cash generated from operations, credit facilities, or the issuance of additional securities. Additionally, the Company has in the past, and expects in the
future, to repurchase stock in order to both offset dilution and return capital, in excess of its requirements, to stockholders with the goal of increasing stockholder
value.

In February 2019, the Company acquired 100% of the shares of Granta Design and Helic for a combined purchase price of approximately $261.5 million. The
acquisition of Granta Design, the premier provider of materials information technology, expands the Company's portfolio into this important area, giving customers
access to material intelligence, including data that is critical to successful simulations. The acquisition of Helic, the industry-leading provider of electromagnetic
crosstalk solutions for systems on chips, combined with the Company's flagship electromagnetic and semiconductor solvers, will provide a comprehensive solution
for on-chip, 3D integrated circuit and chip-package-system electromagnetics and noise analysis.

Also in February 2019, the Company entered into a $500 million unsecured revolving credit facility. The revolving credit facility will be available for general
corporate purposes, including, among others, to finance acquisitions, share repurchases and capital expenditures, and becomes payable in full in February 2024.

Off-Balance-Sheet Arrangements

The Company does not have any special-purpose entities or off-balance-sheet arrangements.

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Contractual Obligations

The Company's significant contractual obligations as of December 31, 2018 are summarized below:

(in thousands)
Global headquarters operating lease (1)
Other operating leases (2)
Unconditional purchase obligations (3)

Obligations related to uncertain tax positions, including

interest and penalties (4)
Other long-term obligations (5)

Total contractual obligations

Total

Within 1 year

2 – 3 years

4 – 5 years

After 5 years

Payments Due by Period

  $

31,946   $

4,294   $

8,928   $

8,928   $

37,776  

37,511  

—  

16,171  

12,687  

24,182  

—  

2,836  

14,210  

13,221  

—  

2,686  

6,408  

108  

—  

2,328  

  $

123,404   $

43,999   $

39,045   $

17,772   $

9,796

4,471

—

—

8,321

22,588

(1) The Company previously entered into a lease agreement for 186,000 square feet of rentable space located in an office facility in Canonsburg, Pennsylvania,

which serves as the Company's headquarters. The term of the lease is 183 months, beginning on October 1, 2014 and expiring on December 31, 2029. The
Company has a one-time right to terminate the lease effective upon the last day of the tenth full year following the date of possession (December 31, 2024)
by providing the landlord with at least 18 months' prior written notice of such termination.

(2) Other operating leases primarily include noncancellable lease commitments for the Company's other domestic and international offices as well as certain

operating equipment.

(3) Unconditional purchase obligations primarily include royalties, software licenses and long-term purchase contracts for network, communication and office

maintenance services, which are unrecorded as of December 31, 2018.

(4) The Company has $29.3 million of unrecognized tax benefits, including estimated interest and penalties, that have been recorded as liabilities in accordance
with income tax accounting guidance for which the Company is uncertain as to if or when such amounts may be settled. As a result, such amounts are
excluded from the table above.

(5) Other long-term obligations primarily include post-employment benefits, including pension obligations, of $9.7 million for certain foreign locations of the
Company, office space restoration of $2.3 million, federal transition tax related to Tax Reform of $1.3 million and deferred compensation of $1.1 million.
These amounts include the related current portions when applicable.

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Critical Accounting Policies and Estimates

The Company believes that the following critical accounting policies affect the more significant judgments and estimates used in the preparation of its consolidated
financial statements.

Revenue Recognition : The Company's revenue is derived principally from the licensing of computer software products and from related maintenance contracts. The
Company adopted ASC 606 on January 1, 2018 using the modified retrospective approach for all contracts not completed as of the date of adoption. Results for
reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts are not adjusted and continue to be reported in
accordance with ASC 605, Revenue Recognition (ASC 605). The adoption of ASC 606 represents a change in accounting principle that will more closely align
revenue recognition with the delivery of the Company’s software licenses, maintenance and services.

Revenue Recognition Policy 2018 (ASC 606)

The Company enters into contracts that include combinations of products, maintenance and services, which are accounted for as separate performance obligations
with differing revenue recognition patterns.

Revenue from perpetual licenses is classified as software license revenue. Software license revenue is recognized up front upon delivery of the licensed product
and/or the utility that enables the customer to access authorization keys, provided that a signed contract has been received. Typically, the Company’s perpetual
licenses are sold with post-contract support (PCS), which includes unspecified technical enhancements and customer support. The Company allocates value in
bundled perpetual and PCS arrangements based on the standalone selling prices of the perpetual license and PCS. Revenue from PCS is classified as maintenance
revenue and is recognized ratably over the term of the contract, as the Company satisfies the PCS performance obligation over time.

In addition to perpetual licenses, the Company sells time-based lease licenses. Lease licenses are sold only as a bundled arrangement that includes the rights to a
term software license and PCS. Utilizing observable inputs, the Company determined that 50% of the estimated standalone selling price of the lease license is
attributable to the term license and 50% is attributable to the PCS. Consistent with the perpetual sales, the license component is classified as software license
revenue and recognized as revenue up front at the commencement of the lease. The PCS is classified as maintenance revenue and is recognized ratably over the term
of the contract, as the Company provides the PCS benefit over time.

Revenue from training, support and other services is recognized as the services are performed. For contracts in which the service consists of a single performance
obligation, such as providing a training class to a customer, the Company recognizes revenue upon completion of the performance obligation. For service contracts
that are longer in duration and often include multiple performance obligations (for example, both training and consulting), the Company measures the progress
toward completion of the obligations and recognizes revenue accordingly. In measuring progress towards the completion of performance obligations, the Company
typically utilizes output-based estimates for services with contractual billing arrangements that are not based on time and materials, and estimates output based on
the total tasks completed as compared to the total tasks required for each work contract. Input-based estimates are utilized for services that involve general
consultations with contractual billing arrangements based on time and materials, utilizing direct labor as the input measure.

The Company also executes arrangements through independent channel partners in which the channel partners are authorized to market and distribute the Company's
software products to end users of the Company's products and services in specified territories. In sales facilitated by channel partners, the channel partner bears the
risk of collection from the end-user customer. The Company recognizes revenue from transactions with channel partners at a point in time or over time as
appropriate when the channel partner submits a purchase commitment, collectability from the channel partner is probable, a license agreement signed by the end-
user customer is received and the performance obligation was met. Revenue from channel partner transactions is the amount remitted to the Company by the channel
partners. This amount includes a fee for PCS that is compensation for providing technical enhancements and the second level of technical support to the end user,
which is recognized over the period that PCS is to be provided. The Company does not offer right of return, product rotation or price protection to any of its channel
partners.

Non-income related taxes collected from customers and remitted to governmental authorities are recorded on the consolidated balance sheet as accounts receivable
and accrued expenses. The collection and payment of these amounts are reported on a net basis in the consolidated statements of income and do not impact reported
revenues or expenses.

The Company warrants to its customers that its software will perform substantially as specified in the Company's current user manuals. The Company has not
experienced significant claims related to software warranties beyond the scope of maintenance support, which the Company is already obligated to provide. The
warranty is not sold, and cannot be purchased, separately. The warranty does not provide any type of additional service to the customer or performance obligation
for the Company.

The Company's agreements with its customers generally require it to indemnify the customer against claims that the Company's software infringes third-party patent,
copyright, trademark or other proprietary rights. Such indemnification obligations are

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generally limited in a variety of industry-standard respects, including the Company's right to replace an infringing product. As of December 31, 2018 , the Company
had not experienced any losses related to these indemnification obligations and no claims with respect thereto were outstanding. The Company does not expect
significant claims related to these indemnification obligations, and, consequently, the Company has not established any related reserves.

Significant Judgments (ASC 606)

The Company’s contracts with customers typically include promises to transfer licenses and services to a customer. Judgment is required to determine if the
promises are separate performance obligations, and if so, the allocation of the transaction price to each performance obligation. The Company uses the estimated
standalone selling price method to allocate the transaction price for items that are not sold separately, particularly lease licenses sold with PCS. The estimated
standalone selling price is determined using all information reasonably available to the Company, including market conditions and other observable inputs. The
corresponding revenues are recognized as the related performance obligations are satisfied.

The Company applies a practical expedient to expense sales commissions as incurred when the amortization period would have been one year or less. Sales
commissions associated with the initial year of multi-year contracts are expensed as incurred due to their immateriality. Sales commissions associated with multi-
year contracts beyond the initial year are subject to an employee service requirement and are expensed as incurred as they are not considered incremental costs to
obtain a contract.

The Company is required to adjust promised amounts of consideration for the effects of the time value of money if the timing of the payments provides the customer
or the Company with a significant financing benefit. The Company considers various factors in assessing whether a financing component exists, including the
duration of the contract, market interest rates and the timing of payments. The Company’s contracts do not include a significant financing component requiring
adjustment to the transaction price.

Revenue Recognition Policy 2017 and 2016 (ASC 605)

Revenue from perpetual licenses was classified as license revenue and was recognized upon delivery of the licensed product and/or the utility that enabled the
customer to access authorization keys, provided that acceptance had occurred and a signed contractual obligation was received, the price was fixed and
determinable, and collectibility of the receivable was probable. The Company determined the fair value of PCS sold together with perpetual licenses based on the
rate charged for PCS when sold separately. Revenue from PCS contracts was classified as maintenance and service revenue and was recognized ratably over the
term of the contract.

Revenue for software lease licenses was classified as license revenue and was recognized over the period of the lease contract. Typically, the Company's software
leases include PCS which, due to the short term (principally one year or less) of the Company's software lease licenses, could not be separated from lease revenue
for accounting purposes. As a result, both the lease licenses and PCS were recognized ratably over the lease period. The Company included the revenue for the entire
lease arrangement within software license revenue in the consolidated statements of income.

Many of the Company's semiconductor products were typically licensed via longer term leases of 24–36 months. The Company recognized revenue for these
licenses over the term of the lease contract. Because the Company did not have vendor-specific objective evidence of the fair value of these leases, the Company
also recognized revenue from perpetual licenses over the term of the lease contract during the infrequent occurrence of these licenses being sold with semiconductor
leases in multiple-element arrangements.

Revenue from training, support and other services was recognized as the services were performed. The Company applied the specific performance method to
contracts in which the service consisted of a single act, such as providing a training class to a customer, and the proportional performance method to other service
contracts that were longer in duration and often included multiple acts (for example, both training and consulting). In applying the proportional performance method,
the Company typically utilized output-based estimates for services with contractual billing arrangements that were not based on time and materials, and estimated
output based on the total tasks completed as compared to the total tasks required for each work contract. Input-based estimates were utilized for services that
involved general consultations with contractual billing arrangements based on time and materials, utilizing direct labor as the input measure.

The accounting treatment under ASC 605 associated with arrangements through independent channel partners, non-income related taxes, warranties and
indemnification obligations is consistent with ASC 606 described above.

Allowance for Doubtful Accounts : The Company makes judgments as to its ability to collect outstanding receivables and provides allowances for a portion of
receivables when collection becomes doubtful. Provisions are made based upon a specific review of all significant outstanding invoices from both value and
delinquency perspectives. For those invoices not specifically reviewed, provisions are provided at differing rates based upon the age of the receivable and the
geographic area of origin. In determining these percentages, the Company considers its historical collection experience and current economic trends in the

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customer's industry and geographic region. If the historical data used to calculate the allowance for doubtful accounts does not reflect the future ability to collect
outstanding receivables, additional provisions for doubtful accounts may be needed and future results of operations could be materially affected.

Income Taxes : The Company accounts for income taxes under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for
the expected future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are
determined based on the differences between the financial statement and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the
differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period of the enactment
date.

The Company records net deferred tax assets to the extent it believes these assets will more likely than not be realized. In making such determination, the Company
considers all available positive and negative evidence, including scheduled reversals of deferred tax liabilities, projected future taxable income, tax planning
strategies and recent financial operations. In the event the Company determines that it will be able to realize deferred tax assets for which a valuation allowance was
used to reduce their carrying value, the adjustment to the valuation allowance will be recorded as a reduction to the provision for income taxes.

Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more-likely-than-not threshold.
Otherwise, these tax benefits are recorded when a tax position has been effectively settled, which means that the statute of limitations has expired or the appropriate
taxing authority has completed their examination even though the statute of limitations remains open.

The Company recognizes interest and penalties related to income taxes within the income tax expense line in the consolidated statements of income. Accrued
interest and penalties are included within the related tax liability line in the consolidated balance sheets.

Goodwill and Indefinite-Lived Intangible Assets : The Company tests goodwill and indefinite-lived intangible assets for impairment at least annually by performing
a quantitative assessment of whether the fair value of each reporting unit or asset exceeds its carrying amount. The Company has one reporting unit. Goodwill is
tested at this reporting unit level and indefinite-lived intangible assets are tested at the individual asset level. This requires the Company to assess and make
judgments regarding a variety of factors which impact the fair value of the reporting unit or asset being tested, including business plans, anticipated future cash
flows, economic projections and other market data. Because there are inherent uncertainties involved in these factors, significant differences between these estimates
and actual results could result in future impairment charges and could materially impact the Company's future financial results. During the first quarter of 2018 , the
Company completed the annual impairment test for goodwill and the indefinite-lived intangible asset and determined that these assets had not been impaired as of
the test date, January 1, 2018 . No other events or circumstances changed during the year ended December 31, 2018 that would indicate that the fair values of the
Company's reporting unit and indefinite-lived intangible asset are below their carrying values.

Contingencies : The Company is involved in various investigations, claims and legal proceedings that arise in the ordinary course of business, including commercial
disputes, labor and employment matters, tax audits, alleged infringement of intellectual property rights and other matters. The Company reviews the status of these
matters, assesses its financial exposure and records a related accrual if the potential loss from an investigation, claim or legal proceeding is probable and the amount
is reasonably estimable. Significant judgment is involved in the determination of probability and in the determination of whether an exposure is reasonably
estimable. As a result of the uncertainties involved in making these estimates, the Company may have to revise its estimates as facts and circumstances change. The
revision of these estimates could have a material impact on the Company's financial position and results of operations.

Stock-Based Compensation : The Company grants restricted stock units and other stock awards to employees and directors under the Company's equity incentive
plan. Eligible employees can also purchase shares of the Company's common stock at a discount under the Company's employee stock purchase plan. The benefits
provided under these plans are share-based payments subject to the provisions of share-based payment accounting guidance. The Company uses the fair value
method to apply the provisions of share-based payment accounting guidance. Stock-based compensation expense for 2018 , 2017 and 2016 was $83.3 million , $53.2
million and $33.3 million , respectively. As of December 31, 2018 , total unrecognized estimated compensation expense related to unvested stock options and
awards granted prior to that date was $141.1 million , which is expected to be recognized over a weighted average period of 1.6 years .

The value of each stock option award was estimated on the date of grant, or date of acquisition for options issued in a business combination, using the Black-Scholes
option pricing model (Black-Scholes model). The determination of the fair value of share-based payment awards using an option pricing model is affected by the
Company's stock price as well as assumptions

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regarding a number of complex and subjective variables. These variables include the Company's expected stock price volatility over the term of the awards, actual
and projected employee stock option exercise behaviors, risk-free interest rates and expected dividends. The table below presents the weighted average input
assumptions used and resulting fair values for options granted or issued in business combinations during each respective year. The stock-based compensation
expense for options is recorded ratably over the requisite service period. The interest rate assumptions were determined by using the five-year U.S. Treasury Note
yield on the date of grant or date of acquisition. The Company did not grant stock option awards during 2018 or 2017.

Risk-free interest rate

Expected dividend yield

Expected volatility

Expected term

Weighted average fair value per share

Year Ended December 31,

2016
1.19% to 1.93%

—%

24%

5.7 years

$23.96

The Company issues various restricted stock unit awards which contain a market condition, a performance condition, a service condition, or any combination of the
three. Restricted stock unit awards are valued based on the grant-date fair value of the award. Stock-based compensation expense is recognized over the employee's
requisite service period for awards with only a service condition. For awards with a performance condition, stock-based compensation expense is recorded from the
service inception date through the conclusion of the measurement period based on management's estimates concerning the probability of vesting.

Vesting of restricted stock unit awards with a market condition is based on the Company's performance as measured by total shareholder return relative to the
appreciation of a specified stock index over the measurement period, subject to each participant's continued employment with the Company through the conclusion
of the measurement period. The fair value of the restricted stock unit awards with a market condition is estimated using a Monte Carlo simulation model. The
determination of the fair value of the awards is affected by the grant date and a number of variables, each of which has been identified in the chart below for awards
granted during each respective period. Share-based compensation expense based on the fair value of the award is being recorded from the grant date through the
conclusion of the measurement period.

Assumptions used in Monte Carlo lattice pricing model
Risk-free interest rate

Expected dividend yield

Expected volatility—ANSYS stock price

Expected volatility—Nasdaq Composite Index

Expected term

Correlation factor

Weighted average fair value per share

2018
2.4%

—%

21%

15%

2.8 years

0.65

$191.76

Year Ended December 31,

2017
1.5%

—%

19%

15%

2.8 years

0.70

$120.94

2016
1.0%

—%

21%

16%

2.8 years

0.65

$78.71

The Company also grants restricted stock units to non-employee Directors, which vest upon the earlier of one year from the date of grant or the date of the next
regular annual meeting of stockholders.

To the extent the Company changes the terms of its stock-based compensation programs, experiences market volatility in the pricing of its common stock that
increases the implied volatility assumption used in the Black-Scholes model, refines different assumptions, or assumes stock awards from acquired companies that
are different in nature than the Company's stock award arrangements, among other potential impacts, the stock-based compensation expense recorded in future
periods and the related tax benefits may differ significantly from what was recorded in previous reporting periods. The Company accounts for forfeitures of stock-
based awards as they occur.

Estimates of stock-based compensation expense are significant to the Company's financial statements, but this expense is partially based on the aforementioned
option valuation and Monte Carlo simulation models and will never result in the payment of cash by the Company other than through the payment of withholding
taxes in lieu of additional share issuance. For this reason, and because the Company does not view stock-based compensation as related to its operational
performance, the Board of Directors and management exclude stock-based compensation expense when evaluating the Company's underlying business performance.

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Recent Accounting Guidance

For information regarding recent accounting guidance and its impact on the Company's consolidated financial statements, see Note 2 to the consolidated financial
statements in Part IV, Item 15 of this Annual Report on Form 10-K.

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ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest Income Rate Risk . Changes in the overall level of interest rates affect the interest income that is generated from the Company's cash, cash equivalents and
short-term investments. For the year ended December 31, 2018 , total interest income was $11.4 million . Cash and cash equivalents consist primarily of highly
liquid investments such as money market funds and deposits held at major banks. Short-term investments consist primarily of deposits held by certain foreign
subsidiaries of the Company with original maturities of three months to one year.

Foreign Currency Transaction Risk. As the Company operates in international regions, a portion of its revenue, expenses, cash, accounts receivable and payment
obligations are denominated in foreign currencies. As a result, changes in currency exchange rates will affect the Company's financial position, results of operations
and cash flows.

With respect to revenue, on average for the year ended December 31, 2018 , the U.S. Dollar was approximately 2.3% weaker and 2.6% weaker, when measured
against the Company’s primary foreign currencies, than for the year ended December 31, 2017 under ASC 606 and ASC 605, respectively. The table below presents
the impacts of currency fluctuations on revenue for the year ended December 31, 2018 . Amounts in brackets indicate a net adverse impact from currency
fluctuations.

(in thousands)
Euro

Japanese Yen

South Korean Won

British Pound

Indian Rupee

Other

Total

Year Ended December 31, 2018

ASC 606

ASC 605

12,498   $

2,088  

918  

870  

(1,623)  

(129)  

14,622   $

11,915

2,075

1,182

1,083

(1,372)

(36)

14,847

$

$

The net overall weaker U.S. Dollar also resulted in increased operating income of $9.6 million and $10.3 million for the year ended December 31, 2018 as compared
to the year ended December 31, 2017 under ASC 606 and ASC 605, respectively.

The most significant currency impacts on revenue and operating income are typically attributable to U.S. Dollar exchange rate changes against the British Pound,
Euro, Japanese Yen and South Korean Won as reflected in the charts below:

As of
December 31, 2015

December 31, 2016

December 31, 2017

December 31, 2018

Year Ended
December 31, 2016

December 31, 2017

December 31, 2018

Period End Exchange Rates

GBP/USD

EUR/USD

USD/JPY

USD/KRW

1.474  

1.234  

1.351  

1.276  

1.086  

1.051  

1.200  

1.147  

120.337  

1,176.886

116.918  

1,208.313

112.701  

1,068.376

109.589  

1,115.325

Average Exchange Rates

GBP/USD

EUR/USD

USD/JPY

USD/KRW

1.355  

1.289  

1.335  

1.107  

1.130  

1.181  

108.530  

1,160.699

112.139  

1,130.945

110.405  

1,100.786

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ITEM 8.

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

The following tables set forth selected unaudited quarterly information. The Company believes that the amounts stated below present fairly the results of such
periods when read in conjunction with the consolidated financial statements and related notes included in Part IV, Item 15 of this Annual Report on Form 10-K.

Other information required by this Item is included in Part IV, Item 15 of this Annual Report on Form 10-K.

(in thousands, except per share data)
Revenue

Gross profit

Operating income

Net income

Earnings per share – basic

Earnings per share – diluted

(in thousands, except per share data)
Revenue

Gross profit

Operating income

Net income

Earnings per share – basic

Earnings per share – diluted

December 31, 
2018

September 30, 
2018

June 30, 
2018

March 31, 
2018

Fiscal Quarter Ended

  $

415,432   $

289,418   $

305,913   $

375,343  

179,936  

153,163  

1.83   $

1.79   $

253,110  

93,024  

89,336  

1.06   $

1.04   $

265,463  

108,553  

92,596  

1.10   $

1.08   $

  $

  $

282,873

243,835

95,061

84,280

1.00

0.98

December 31, 
2017

September 30, 
2017

June 30, 
2017

March 31, 
2017

Fiscal Quarter Ended

  $

302,336   $

275,585   $

263,924   $

261,524  

100,679  

52,585  

0.62   $

0.61   $

55

  $

  $

239,602  

106,183  

73,630  

0.87   $

0.85   $

227,586  

98,394  

69,730  

0.82   $

0.80   $

253,405

216,374

85,472

63,306

0.74

0.73

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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ITEM 9.

CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures . As required by Rules 13a-15 and 15d-15 of the Securities Exchange Act of 1934, as amended, or the Exchange
Act, the Company has evaluated, with the participation of management, including the Chief Executive Officer and the Chief Financial Officer, the effectiveness of
the design and operation of its disclosure controls and procedures as of the end of the period covered by this report. Based on such evaluation, the Chief Executive
Officer and Chief Financial Officer have concluded that such disclosure controls and procedures are effective, as defined in Rule 13a-15(e) of the Exchange Act.

The Company believes, based on its knowledge, that the financial statements and other financial information included in this report fairly present, in all material
respects, the financial condition, results of operations and cash flows of the Company as of and for the periods presented in this report. The Company is committed
to both a sound internal control environment and to good corporate governance.

From time to time, the Company reviews the disclosure controls and procedures, and may periodically make changes to enhance their effectiveness and to ensure
that the Company's systems evolve with its business.

Report on Internal Control over Financial Reporting . The Company's management is responsible for establishing and maintaining adequate internal control over
financial reporting, as such term is defined in Exchange Act Rules 13a-15(f). Under the supervision and with the participation of the Company's management,
including the Company's Chief Executive Officer and Chief Financial Officer, the Company has conducted an evaluation of the effectiveness of its internal control
over financial reporting based upon the Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway
Commission. Based on this evaluation, the Company's Chief Executive Officer and Chief Financial Officer have concluded that the Company's internal control over
financial reporting was effective at December 31, 2018 .

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. 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 policies or
procedures may deteriorate.

Additionally, Deloitte & Touche LLP, an independent registered public accounting firm, has issued an attestation report on the Company's internal control over
financial reporting. This report is included in Item 15 of this Annual Report on Form 10-K.

Changes in Internal Controls . There were no changes in the Company’s internal control over financial reporting that occurred during the three months ended
December 31, 2018 that materially affected, or were reasonably likely to materially affect, the Company's internal control over financial reporting. During fiscal year
2018, the Company implemented internal controls to ensure it has adequately evaluated contracts and arrangements that may contain leases and properly assessed
the impact of the new lease accounting standard on the Company's consolidated financial statements. The Company does not expect significant changes to its
internal controls over financial reporting due to the adoption of the new standard, effective January 1, 2019.

ITEM 9B. OTHER INFORMATION

Item 1.01 Entry into a Material Definitive Agreement

On February 22, 2019, the Company entered into a $500 million unsecured revolving credit facility, which includes a $50 million sublimit for the issuance of
standby letters of credit, with Bank of America, N.A. as Administrative Agent. The revolving credit facility will be available for general corporate purposes,
including, among others, to finance acquisitions, share repurchases and capital expenditures and becomes payable in full on February 22, 2024.

Borrowings under the revolving credit facility will accrue interest at the London Interbank Offered Rate (LIBOR) plus an applicable margin or at the base rate. The
base rate is the applicable margin plus the highest of (i) the Federal Funds Rate plus 0.500%, (ii) the Bank of America prime rate and (iii) the one-month LIBOR
plus 1.000%. The applicable margin for borrowings is a percentage per annum based on the lower of (1) a pricing level determined by the Company’s then-current

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consolidated leverage ratio and (2) a pricing level determined by the Company’s debt ratings (if such debt ratings exist). The revolving credit facility contains
customary representations and warranties, affirmative and negative covenants and events of default.

The revolving credit agreement also contains a financial covenant requiring the Company and its subsidiaries to maintain a consolidated leverage ratio of 3.50 to
1.00 as of the end of any fiscal quarter (for the four-quarter period ending on such date) with an opportunity for a temporary increase in such consolidated leverage
ratio to 4.00 to 1.00 upon the consummation of certain qualified acquisitions for which the aggregate consideration is at least $250 million.

Item 2.03 Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

The information required by this Item 2.03 is incorporated by reference to Item 1.01 above.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain
Officers.

Pursuant to the terms of the transition agreement between James E. Cashman, III and the Company, on February 22, 2019, Mr. Cashman tendered his voluntary
resignation from the Company’s Board of Directors and as an employee of the Company effective, in each case, on April 30, 2019.

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ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

PART III

The information required by this Item is incorporated by reference to the Company's 2019 Proxy Statement and is set forth under “Corporate Governance at
ANSYS,” “Director Nominations,” “Continuing Directors Following the 2019 Annual Meeting,” “Corporate Governance at ANSYS,” “Audit Committee,” “Our
Executive Officers,” “Section 16(a) Beneficial Ownership Reporting Compliance” and “Audit Committee” therein.

The Company adopted a Code of Business Conduct and Ethics that applies to its principal executive officer, principal financial officer, principal accounting officer,
and all directors of the Company and its subsidiaries. The Company’s Code of Business Conduct and Ethics is posted under the Corporate Responsibility tab of the
Investor Relations section of its website at www.ansys.com. The Company will post any amendments to, or waiver of, its Code of Business Conduct and Ethics on
its website.

ITEM 11.

EXECUTIVE COMPENSATION

The information required by this Item is incorporated by reference to the Company's 2019 Proxy Statement and is set forth under “Compensation Discussion and
Analysis,” “Compensation Policies and Practices Related to Risk Management,” “Summary Compensation Table (Fiscal Years 2018, 2017 and 2016),” “Grants of
Plan-Based Awards in Fiscal Year 2018,” “Outstanding Equity Awards at End of Fiscal Year 2018,” “Option Exercises and Vested Stock in Fiscal Year 2018,”
“Potential Payments Upon Termination or Change of Control Under Employment or Other Agreements,” “2018 CEO Pay Ratio," “Compensation Committee
Report,” “Compensation Committee Interlocks and Insider Participation,” "Director Nominations" and “Non-Employee Director Compensation” therein.

ITEM 12.

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

The information required by this Item relating to Regulation S-K, Item 201(d) is incorporated by reference herein from Part II, Item 5 of this Annual Report on Form
10-K.

All other information required by this Item is incorporated by reference to the Company's 2019 Proxy Statement and is set forth under “Ownership of Our Common
Stock” therein.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The information required by this Item is incorporated by reference to the Company's 2019 Proxy Statement and is set forth under "Director Independence" and
“Related-Party Transactions” therein.

ITEM 14.

PRINCIPAL ACCOUNTANT FEES AND SERVICES

The information required by this Item is incorporated by reference to the Company's 2019 Proxy Statement and is set forth under “Independent Registered
Accounting Firm Services and Fees” therein.

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ITEM 15.

EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)

Documents Filed as Part of this Annual Report on Form 10-K:

PART IV

1.

Financial Statements: The following consolidated financial statements and reports are filed as part of this report:

- Management's Report on Internal Control over Financial Reporting

- Reports of Independent Registered Public Accounting Firm

- Consolidated Balance Sheets as of December 31, 2018 and 2017

- Consolidated Statements of Income for the years ended December 31, 2018, 2017 and 2016

- Consolidated Statements of Comprehensive Income for the years ended December 31, 2018, 2017 and 2016

- Consolidated Statements of Cash Flows for the years ended December 31, 2018, 2017 and 2016

- Consolidated Statements of Stockholders' Equity for the years ended December 31, 2018, 2017 and 2016

- Notes to Consolidated Financial Statements

60

61

63

64

65

66

67

68

2.

Financial Statement Schedule: The following financial statement schedule is filed as part of this report and should be read in conjunction with the
consolidated financial statements.

- Schedule II - Valuation and Qualifying Accounts

95

Schedules not listed above have been omitted because they are not applicable, are not required or the information required to be set forth therein is
included in the consolidated financial statements or notes thereto.

3.

Exhibits: The exhibits listed in the accompanying Exhibit Index immediately following the financial statement schedule are filed as part of, or
incorporated by reference into, this Annual Report on Form 10-K.

(b)

Exhibits:

The Company hereby files as part of this Annual Report on Form 10-K the exhibits listed in the Exhibit Index immediately following the financial statement
schedule of this Annual Report on Form 10-K.

(c)

Financial Statement Schedule:

The Company hereby files as part of this Annual Report on Form 10-K the financial statement schedule listed in Item 15(a)(2) as set forth above.

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MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Management is responsible for establishing and maintaining an adequate system of internal control over financial reporting for the Company. In order to evaluate the
effectiveness of internal control over financial reporting, management has conducted an assessment, including testing, using the financial reporting criteria in the
Internal Control - Integrated Framework (2013) , issued by the Committee of Sponsoring Organizations of the Treadway Commission.

The Company's system of internal control over financial reporting is designed to provide reasonable assurance to the Company's management and Board of
Directors regarding the reliability of financial records used in preparation of the Company's published financial statements. As all internal control systems have
inherent limitations, even systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation.
Based on its assessment, management has concluded that the Company maintained an effective system of internal control over financial reporting as of
December 31, 2018 . Deloitte & Touche LLP, an independent registered public accounting firm, has audited the Company's internal control over financial reporting
as of December 31, 2018 , as stated in their report which appears in Part IV, Item 15 of this Annual Report on Form 10-K.

/s/    A JEI  S. G OPAL         

Ajei S. Gopal
President and Chief Executive Officer
February 28, 2019

/s/    M ARIA  T. S HIELDS        

Maria T. Shields
Chief Financial Officer
February 28, 2019

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of ANSYS, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of ANSYS, Inc. and subsidiaries (the "Company") as of December 31, 2018 and 2017, the related
consolidated statements of income, comprehensive income, stockholders' equity, and cash flows, for each of the three years in the period ended December 31, 2018,
and the related notes and the schedule listed in the Index at Item 15 (collectively referred to as the "financial statements"). In our opinion, the financial statements
present fairly, in all material respects, the financial position of the Company as of December 31, 2018 and 2017, and the results of its operations and its cash flows
for each of the three years in the period ended December 31, 2018, in conformity with accounting principles generally accepted in the United States of America.

We  have  also  audited,  in  accordance  with  the  standards  of  the  Public  Company  Accounting  Oversight  Board  (United  States)  (PCAOB),  the  Company's  internal
control over financial reporting as of December 31, 2018, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee
of Sponsoring Organizations  of  the Treadway  Commission  and our report  dated  February  28, 2019, expressed  an unqualified  opinion  on the Company's internal
control over financial reporting.

Change in Accounting Principle

As discussed in Note 3 to the consolidated financial statements, the Company has changed its method of accounting for revenue from contracts with customers in
2018 due to the adoption of the new revenue standard. The Company adopted the new revenue standard using a modified retrospective approach.

Basis for Opinion

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

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

/s/ Deloitte & Touche LLP

Pittsburgh, Pennsylvania

February 28, 2019

We have served as the Company's auditor since 2002.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of ANSYS, Inc.

Opinion on Internal Control over Financial Reporting

We  have  audited  the  internal  control  over  financial  reporting  of  ANSYS,  Inc.  and  subsidiaries  (the  “Company”)  as  of  December  31,  2018,  based  on  criteria
established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our
opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2018, based on criteria established
in Internal Control - Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial
statements as of and for the year ended December 31, 2018, of the Company and our report dated February 28, 2019, expressed an unqualified opinion on those
financial statements and included an explanatory paragraph related to the Company’s change in method of accounting for revenue from contracts with customers in
2018 due to the adoption of the new revenue standard.

Basis for Opinion

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

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance
about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal
control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control
based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable
basis for our opinion.

Definition and Limitations of Internal Control over Financial Reporting

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

Because  of  its  inherent  limitations,  internal  control  over  financial  reporting  may  not  prevent  or  detect  misstatements.  Also,  projections  of  any  evaluation  of
effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with
the policies or procedures may deteriorate.

/s/ Deloitte & Touche LLP

Pittsburgh, Pennsylvania

February 28, 2019

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(in thousands, except share and per share data)
ASSETS

Current assets:

Cash and cash equivalents

Short-term investments

ANSYS, INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS

Accounts receivable, less allowance for doubtful accounts of $8,000 and $6,800, respectively

Other receivables and current assets

Total current assets

Property and equipment, net

Goodwill

Other intangible assets, net

Other long-term assets

Deferred income taxes

Total assets

LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:

Accounts payable

Accrued bonuses and commissions

Accrued income taxes

Other accrued expenses and liabilities

Deferred revenue

Total current liabilities

Long-term liabilities:

Deferred income taxes

Other long-term liabilities

Total long-term liabilities

Commitments and contingencies

Stockholders' equity:

Preferred stock, $.01 par value; 2,000,000 shares authorized; zero shares issued or outstanding

Common stock, $.01 par value; 300,000,000 shares authorized; 93,236,023 shares issued

Additional paid-in capital

Retained earnings

Treasury stock, at cost: 9,601,670 and 9,044,498 shares, respectively

Accumulated other comprehensive loss

Total stockholders' equity

Total liabilities and stockholders' equity

December 31,

2018

2017

$

777,139   $

225  

317,700  

216,113  

1,311,177  

61,655  

1,572,455  

211,272  

82,775  

26,630  

881,501

286

124,659

263,820

1,270,266

57,096

1,378,553

157,625

35,972

42,111

3,265,964   $

2,941,623

$

$

7,953   $

79,945  

8,726  

99,559  

328,584  

524,767  

30,077  

61,573  

91,650  

—  

932  

867,462  

2,919,411  

(1,075,879)  

(62,379)  

2,649,547  

6,042

69,925

5,760

86,335

440,491

608,553

1,461

85,778

87,239

—

932

873,357

2,316,916

(907,530)

(37,844)

2,245,831

2,941,623

$

3,265,964   $

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

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(in thousands, except per share data)
Revenue:

Software licenses

Maintenance and service

Total revenue

Cost of sales:

Software licenses

Amortization

Maintenance and service

Total cost of sales

Gross profit

Operating expenses:

Selling, general and administrative

Research and development

Amortization

Total operating expenses

Operating income

Interest income

Other expense, net

Income before income tax provision

Income tax provision

Net income

Earnings per share – basic:

Earnings per share

Weighted average shares

Earnings per share – diluted:

Earnings per share

Weighted average shares

ANSYS, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME

Year Ended December 31,

2018

2017

2016

$

576,717   $

624,964   $

716,919  

470,286  

1,293,636  

1,095,250  

18,619  

27,034  

110,232  

155,885  

1,137,751  

413,580  

233,802  

13,795  

661,177  

476,574  

11,419  

(908)  

487,085  

67,710  

34,421  

36,794  

78,949  

150,164  

945,086  

338,640  

202,746  

12,972  

554,358  

390,728  

6,962  

(1,996)  

395,694  

136,443  

$

$

$

419,375   $

259,251   $

4.99   $

3.05   $

83,973

84,988  

4.88   $

2.98   $

85,913

86,854  

568,174

420,291

988,465

28,860

38,092

79,908

146,860

841,605

269,515

183,093

12,755

465,363

376,242

4,209

(136)

380,315

114,679

265,636

3.05

87,227

2.99

88,969

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

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ANSYS, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)
Net income

Other comprehensive (loss) income:

Foreign currency translation adjustments

Comprehensive income

Year Ended December 31,

2018

2017

2016

419,375   $

259,251   $

265,636

(24,535)  

19,808  

394,840   $

279,059   $

(5,488)

260,148

$

$

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

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ANSYS, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)
Cash flows from operating activities:

Net income

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

Year Ended December 31,

2018

2017

2016

$

419,375   $

259,251   $

265,636

Depreciation and amortization

Deferred income tax benefit

Provision for bad debts

Stock-based compensation expense

Other

Changes in operating assets and liabilities:

Accounts receivable

Other receivables and current assets

Other long-term assets

Accounts payable, accrued expenses and current liabilities

Accrued income taxes

Deferred revenue

Other long-term liabilities

Net cash provided by operating activities

Cash flows from investing activities:

Acquisitions, net of cash acquired

Capital expenditures

Other investing activities

Net cash used in investing activities

Cash flows from financing activities:

Purchase of treasury stock

Restricted stock withholding taxes paid in lieu of issued shares

Contingent consideration payments

Proceeds from shares issued for stock-based compensation

Other financing activities

Net cash used in financing activities

Effect of exchange rate fluctuations on cash and cash equivalents

Net (decrease) increase in cash and cash equivalents

Cash and cash equivalents, beginning of period

Cash and cash equivalents, end of period

Supplemental disclosures of cash flow information:

Income taxes paid

$

$

59,255  

(33,675)  

1,577  

83,346  

410  

(74,455)  

(30,241)  

3,288  

19,920  

1,086  

56,213  

(19,662)  

486,437  

(283,026)  

(21,762)  

(8,892)  

(313,680)  

(269,801)  

(28,879)  

—  

41,019  

(5,014)  

(262,675)  

(14,444)  

(104,362)  

881,501  

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

66

67,678  

(2,693)  

1,474  

53,154  

21  

(14,406)  

(18,498)  

2,343  

27,045  

1,215  

20,648  

33,206  

69,587

(10,921)

2,009

33,347

1,290

(17,388)

(39,644)

(7,167)

16,919

9,052

41,430

1,830

430,438  

365,980

(63,885)  

(19,149)  

(14,409)  

(97,443)  

(336,042)  

(11,112)  

—  

52,503  

—  

(7,891)

(12,443)

(11,839)

(32,173)

(336,335)

(5,057)

(1,048)

53,811

(1)

(294,651)  

(288,630)

20,678  

59,022  

822,479  

(6,866)

38,311

784,168

822,479

777,139   $

881,501   $

87,244   $

116,389   $

118,455

 
 
 
 
   
   
 
   
   
 
   
   
 
   
   
 
   
   
 
   
   
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ANSYS, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY

(in thousands)

Shares

Amount

Common Stock

Additional
Paid-In
Capital

Retained
Earnings

Balance, January 1, 2016

93,236   $

932   $

894,469   $

1,792,029  

Treasury Stock

Shares

Amount

5,097   $
3,700  

(440,839)   $
(336,335)    

Accumulated
Other
Comprehensive
(Loss)/Income

Total
Stockholders'
Equity

Balance, December 31, 2016

93,236  

932  

883,010  

2,057,665  

(11,459)    

(1,249)  

101,624    

265,636    

7,548  
2,750  

(675,550)  
(336,042)    

(9,653)    

(1,254)  

104,062    

93,236  

932  

873,357  

2,316,916  

9,044  

(907,530)  

(37,844)

259,251    

183,120    

1,674  

(269,801)    

(5,895)    

(1,116)  

101,452    

419,375    

(24,535)

93,236   $

932   $

867,462   $

2,919,411  

9,602   $

(1,075,879)   $

(62,379)

  $

2,649,547

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

67

Treasury shares acquired
Stock-based compensation

activity, including tax benefit of
$8,065

Other comprehensive loss

Net income for the year

Treasury shares acquired
Stock-based compensation

activity

Other comprehensive income

Net income for the year

Balance, December 31, 2017
Cumulative effect of the ASC

606 adoption

Treasury shares acquired
Stock-based compensation

activity

Other comprehensive loss

Net income for the year

Balance, December 31, 2018

(52,164)

  $

(5,488)

(57,652)

19,808

2,194,427

(336,335)

90,165

(5,488)

265,636

2,208,405

(336,042)

94,409

19,808

259,251

2,245,831

183,120

(269,801)

95,557

(24,535)

419,375

 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
 
 
 
   
   
   
   
   
 
 
 
   
   
 
   
   
 
 
 
   
   
   
 
 
 
 
 
 
 
   
   
   
   
   
 
 
 
   
   
 
   
   
 
 
 
   
   
 
   
   
 
 
   
   
   
 
 
 
 
 
 
 
   
   
   
   
   
 
 
 
   
   
 
   
   
 
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1. Organization

ANSYS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
December 31, 2018

ANSYS, Inc. (hereafter the Company or ANSYS) develops and globally markets engineering simulation software and services widely used by engineers, designers,
researchers and students across a broad spectrum of industries and academia, including aerospace and defense, automotive, electronics, semiconductors, energy,
materials and chemical processing, turbomachinery, consumer products, healthcare, and sports.

As defined by the accounting guidance for segment reporting, the Company operates as one segment.

Given the integrated approach to the multi-discipline problem-solving needs of the Company's customers, a single sale of software may contain components from
multiple product areas and include combined technologies. The Company also has a multi-year product and integration strategy that will result in new, combined
products or changes to the historical product offerings. As a result, it is impracticable for the Company to provide accurate historical or current reporting among its
various product lines.

2. Accounting Policies

Accounting Principles

The financial statements and accompanying notes are prepared in accordance with accounting principles generally accepted in the United States. Certain items in the
notes to the consolidated financial statements of prior years have been reclassified to conform to the current year's presentation. These reclassifications had no effect
on reported net income, comprehensive income, cash flows, total assets or total liabilities and stockholders' equity.

Principles of Consolidation

The accompanying consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany accounts and
transactions have been eliminated.

Recently Adopted Accounting Guidance

Revenue from contracts with customers: In May 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update No. 2014-09, 
Revenue from Contracts with Customers (Topic 606)  (ASU 2014-09). The Company adopted ASU 2014-09 and its related amendments (collectively known as ASC
606) effective January 1, 2018 using the modified retrospective approach. See Note 3 for the required disclosures related to the impact of adopting this standard.

Income taxes: In October 2016, the FASB issued Accounting Standards Update No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other
Than Inventory (ASU 2016-16). The Company adopted ASU 2016-16 effective January 1, 2018 using the modified retrospective approach. Previous guidance
required the tax effects from intra-entity asset transfers to be deferred until the asset was sold to a third party or recovered through use. ASU 2016-16 eliminated this
deferral for all intra-entity asset transfers other than inventory. The adoption of the standard did not have a material effect on the Company’s consolidated financial
statements.

Business combinations: In January 2017, the FASB issued Accounting Standards Update No. 2017-01, Business Combinations (Topic 805): Clarifying the
Definition of a Business (ASU 2017-01). The Company prospectively adopted ASU 2017-01 effective January 1, 2018. This standard narrows the definition of a
business. If substantially all the fair value of the gross assets acquired is concentrated in a single identifiable asset or group of similar identifiable assets, the acquiree
is not a business. The standard also requires a business to include an input and a substantive process that significantly contributes to the ability to create outputs. This
definition is expected to reduce the number of acquisitions accounted for as business combinations, which will impact the accounting treatment of certain items,
including the accounting treatment of contingent consideration and transaction expenses.

Accounting Guidance Issued and Not Yet Adopted

Leases: In February 2016, the FASB issued Accounting Standards Update No. 2016-02, Leases (Topic 842) (ASU 2016-02). ASU 2016-02 requires virtually all
leases, other than leases that meet the definition of a short-term lease or leases of intangible assets, to be recorded on the balance sheet with a right-of-use asset and a
corresponding lease liability. Leases will be classified

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as either operating or finance leases based on certain criteria. This classification will determine the timing and presentation of expenses on the income statement, as
well as the presentation of related cash flows. The standard is effective for the Company on January 1, 2019. A modified retrospective transition is required upon
adoption.

The Company will elect the package of practical expedients permitted under the transition guidance within the new standard, which among other things, allows the
Company to carry forward the historical lease classification. In addition, the Company will elect the accounting policy to combine the lease and nonlease
components as a single component. The Company will make the accounting policy election to record short-term leases on the consolidated balance sheet.

The Company will primarily have operating leases. The Company expects adoption of the new standard will result in the recognition of a right-of-use asset, and a
corresponding lease liability, of $80.0 million - $100.0 million on the Company's consolidated balance sheet. Where applicable, a corresponding deferred tax asset
and liability will be recorded related to the right-of-use asset and lease liability. The new standard is not expected to materially impact the Company's consolidated
statements of income or consolidated statements of cash flows.

Credit losses: In June 2016, the FASB issued Accounting Standards Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit
Losses on Financial Instruments (ASU 2016-13). The current guidance requires the allowance for doubtful accounts to be estimated based on an incurred loss
model, which considers past and current conditions. ASU 2016-13 requires companies to use an expected loss model that also considers reasonable and supportable
forecasts of future conditions. ASU 2016-13 is effective for annual periods beginning after December 15, 2019, including interim periods within that reporting
period. Early adoption is permitted for annual periods beginning after December 15, 2018, including interim periods within that reporting period. The standard
requires a cumulative-effect adjustment to the balance sheet as of the beginning of the first reporting period in which the guidance is effective. The Company will
not early adopt the standard. The Company is currently evaluating the effect that this update will have on its financial results upon adoption.

Implementation cost accounting for cloud computing arrangements: In August 2018, the FASB issued Accounting Standards Update No. 2018-15, Intangibles—
Goodwill and Other—Internal-Use Software (Subtopic 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That
Is a Service Contract (ASU 2018-15). The standard aligns the accounting for costs incurred to implement a cloud computing arrangement (CCA) that is a service
arrangement with the guidance on capitalizing costs associated with developing or obtaining internal-use software. Under ASU 2018-15, an entity would apply
Subtopic 350-40 to determine which implementation costs related to a CCA that is a service contract should be capitalized. The standard does not change the
accounting for the service component of a CCA. The associated cash flows will be reflected within operating activities. ASU 2018-15 is effective for annual periods
beginning after December 15, 2019, including interim periods within that reporting period. Early adoption is permitted, including adoption in any interim period for
which financial statements have not been issued. Entities can choose to adopt the new guidance (1) prospectively to eligible costs incurred on or after the date the
guidance is first applied or (2) retrospectively. The Company is currently evaluating the effect that this update will have on its financial results upon adoption.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements.
Estimates also affect the amounts of revenue and expenses during the reported periods. Significant estimates included in these consolidated financial statements
include:

•
•
•
•
•
•
•
•
•
•
•

Allowances for doubtful accounts receivable
Income tax accruals, including those related to the Tax Cuts and Jobs Act
Uncertain tax positions
Tax valuation reserves
Fair value of stock-based compensation and probabilities of performance award attainment
Contract revenue
Acquired deferred revenue
Useful lives for depreciation and amortization
Valuations of goodwill and other intangible assets
Deferred compensation
Loss contingencies

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Actual results could differ from these estimates. Changes in estimates are recorded in the results of operations in the period that the changes occur.

Revenue Recognition

The Company's revenue is derived principally from the licensing of computer software products and from related maintenance contracts. The Company adopted
ASC 606 on January 1, 2018. ASC 606 requires an entity to evaluate revenue recognition by identifying a contract with a customer, identifying the performance
obligations in the contract, determining the transaction price, allocating the transaction price to the performance obligations in the contract, and recognizing revenue
when (or as) the entity satisfies a performance obligation.

Revenue Recognition Policy 2018 (ASC 606)

The Company enters into contracts that include combinations of products, maintenance and services, which are accounted for as separate performance obligations
with differing revenue recognition patterns.

Revenue from perpetual licenses is classified as software license revenue. Software license revenue is recognized up front upon delivery of the licensed product
and/or the utility that enables the customer to access authorization keys, provided that a signed contract has been received. Typically, the Company’s perpetual
licenses are sold with post-contract support (PCS), which includes unspecified technical enhancements and customer support. The Company allocates value in
bundled perpetual and PCS arrangements based on the standalone selling prices of the perpetual license and PCS. Revenue from PCS is classified as maintenance
revenue and is recognized ratably over the term of the contract, as the Company satisfies the PCS performance obligation over time.

In addition to perpetual licenses, the Company sells time-based lease licenses. Lease licenses are sold only as a bundled arrangement that includes the rights to a
term software license and PCS. Utilizing observable inputs, the Company determined that 50% of the estimated standalone selling price of the lease license is
attributable to the term license and 50% is attributable to the PCS. Consistent with the perpetual sales, the license component is classified as software license
revenue and recognized as revenue up front at the commencement of the lease. The PCS is classified as maintenance revenue and is recognized ratably over the term
of the contract, as the Company provides the PCS benefit over time.

Revenue from training, support and other services is recognized as the services are performed. For contracts in which the service consists of a single performance
obligation, such as providing a training class to a customer, the Company recognizes revenue upon completion of the performance obligation. For service contracts
that are longer in duration and often include multiple performance obligations (for example, both training and consulting), the Company measures the progress
toward completion of the obligations and recognizes revenue accordingly. In measuring progress towards the completion of performance obligations, the Company
typically utilizes output-based estimates for services with contractual billing arrangements that are not based on time and materials, and estimates output based on
the total tasks completed as compared to the total tasks required for each work contract. Input-based estimates are utilized for services that involve general
consultations with contractual billing arrangements based on time and materials, utilizing direct labor as the input measure.

The Company also executes arrangements through independent channel partners in which the channel partners are authorized to market and distribute the Company's
software products to end users of the Company's products and services in specified territories. In sales facilitated by channel partners, the channel partner bears the
risk of collection from the end-user customer. The Company recognizes revenue from transactions with channel partners at a point in time or over time as
appropriate when the channel partner submits a purchase commitment, collectability from the channel partner is probable, a license agreement signed by the end-
user customer is received and the performance obligation was met. Revenue from channel partner transactions is the amount remitted to the Company by the channel
partners. This amount includes a fee for PCS that is compensation for providing technical enhancements and the second level of technical support to the end user,
which is recognized over the period that PCS is to be provided. The Company does not offer right of return, product rotation or price protection to any of its channel
partners.

Non-income related taxes collected from customers and remitted to governmental authorities are recorded on the consolidated balance sheet as accounts receivable
and accrued expenses. The collection and payment of these amounts are reported on a net basis in the consolidated statements of income and do not impact reported
revenues or expenses.

The Company warrants to its customers that its software will perform substantially as specified in the Company's current user manuals. The Company has not
experienced significant claims related to software warranties beyond the scope of maintenance support, which the Company is already obligated to provide. The
warranty is not sold, and cannot be purchased, separately. The warranty does not provide any type of additional service to the customer or performance obligation
for the Company.

The Company's agreements with its customers generally require it to indemnify the customer against claims that the Company's software infringes third-party patent,
copyright, trademark or other proprietary rights. Such indemnification obligations are generally limited in a variety of industry-standard respects, including the
Company's right to replace an infringing product. As

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of December 31, 2018 , the Company had not experienced any losses related to these indemnification obligations and no claims with respect thereto were
outstanding. The Company does not expect significant claims related to these indemnification obligations, and, consequently, the Company has not established any
related reserves.

Significant Judgments (ASC 606)

The Company’s contracts with customers typically include promises to transfer licenses and services to a customer. Judgment is required to determine if the
promises are separate performance obligations, and if so, to allocate the transaction price to each performance obligation. The Company uses the estimated
standalone selling price method to allocate the transaction price for items that are not sold separately, particularly lease licenses sold with PCS. The estimated
standalone selling price is determined using all information reasonably available to the Company, including market conditions and other observable inputs. The
corresponding revenues are recognized as the related performance obligations are satisfied.

The Company applies a practical expedient to expense sales commissions as incurred when the amortization period would have been one year or less. Sales
commissions associated with the initial year of multi-year contracts are expensed as incurred due to their immateriality. Sales commissions associated with multi-
year contracts beyond the initial year are subject to an employee service requirement and are expensed as incurred as they are not considered incremental costs to
obtain a contract.

The Company is required to adjust promised amounts of consideration for the effects of the time value of money if the timing of the payments provides the customer
or the Company with a significant financing benefit. The Company considers various factors in assessing whether a financing component exists, including the
duration of the contract, market interest rates and the timing of payments. The Company’s contracts do not include a significant financing component requiring
adjustment to the transaction price.

Revenue Recognition Policy 2017 and 2016 (ASC 605)

Revenue from perpetual licenses was classified as license revenue and was recognized upon delivery of the licensed product and/or the utility that enabled the
customer to access authorization keys, provided that acceptance had occurred and a signed contractual obligation was received, the price was fixed and
determinable, and collectibility of the receivable was probable. The Company determined the fair value of PCS sold together with perpetual licenses based on the
rate charged for PCS when sold separately. Revenue from PCS contracts was classified as maintenance and service revenue and was recognized ratably over the
term of the contract.

Revenue for software lease licenses was classified as license revenue and was recognized over the period of the lease contract. Typically, the Company's software
leases include PCS which, due to the short term (principally one year or less) of the Company's software lease licenses, could not be separated from lease revenue
for accounting purposes. As a result, both the lease licenses and PCS were recognized ratably over the lease period. The Company included the revenue for the entire
lease arrangement within software license revenue in the consolidated statements of income.

Many of the Company's semiconductor products were typically licensed via longer term leases of 24 – 36 months. The Company recognized revenue for these
licenses over the term of the lease contract. Because the Company did not have vendor-specific objective evidence of the fair value of these leases, the Company
also recognized revenue from perpetual licenses over the term of the lease contract during the infrequent occurrence of these licenses being sold with semiconductor
leases in multiple-element arrangements.

Revenue from training, support and other services was recognized as the services were performed. The Company applied the specific performance method to
contracts in which the service consisted of a single act, such as providing a training class to a customer, and the proportional performance method to other service
contracts that were longer in duration and often included multiple acts (for example, both training and consulting). In applying the proportional performance method,
the Company typically utilized output-based estimates for services with contractual billing arrangements that were not based on time and materials, and estimated
output based on the total tasks completed as compared to the total tasks required for each work contract. Input-based estimates were utilized for services that
involved general consultations with contractual billing arrangements based on time and materials, utilizing direct labor as the input measure.

The accounting treatment under ASC 605 associated with arrangements through independent channel partners, non-income related taxes, warranties and
indemnification obligations is consistent with ASC 606 described above.

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Cash and Cash Equivalents

Cash and cash equivalents consist primarily of highly liquid investments such as deposits held at major banks and money market funds. Cash equivalents are carried
at cost, which approximates fair value. The Company's cash and cash equivalents balances comprise the following:

(in thousands, except percentages)
Cash accounts

Money market funds

Total

December 31, 2018

December 31, 2017

Amount

% of Total

Amount

% of Total

$

$

331,084  

446,055  

777,139    

42.6   $

57.4  

  $

568,587  

312,914  

881,501    

64.5

35.5

The Company's money market fund balances are held in various funds of a single issuer.

Property and Equipment

Property and equipment is stated at cost. Depreciation is computed using the straight-line method over the estimated useful lives of the various classes of assets,
which range from one to forty years. Repairs and maintenance are charged to expense as incurred. Gains or losses from the sale or retirement of property and
equipment are included in operating income.

Research and Development

Research and development costs, other than certain capitalized software development costs, are expensed as incurred. Internally developed software costs required to
be capitalized as defined by the accounting guidance are not material to the Company's consolidated financial statements.

Business Combinations

When the Company consummates an acquisition, the assets acquired and the liabilities assumed are recognized separately from goodwill at their acquisition date fair
values. Goodwill as of the acquisition date is measured as the excess of the fair value of consideration transferred over the net of the acquisition date fair values of
the assets acquired and the liabilities assumed. While best estimates and assumptions are used to accurately value assets acquired and liabilities assumed at the
acquisition date as well as contingent consideration, where applicable, the Company's estimates are inherently uncertain and subject to refinement. As a result,
during the measurement period, which may be up to one year from the acquisition date, the Company records adjustments to the assets acquired and liabilities
assumed with the corresponding offset to goodwill as the Company obtains new information about facts and circumstances that existed as of the acquisition date
that, if known, would have affected the measurement of the amounts recognized as of that date. Upon the earlier of the conclusion of the measurement period or final
determination of the values of assets acquired or liabilities assumed, any subsequent adjustments are recorded in the consolidated statements of income.

Goodwill and Other Intangible Assets

Goodwill represents the excess of the consideration transferred over the fair value of net identifiable assets acquired. Other intangible assets consist of trade names,
customer lists, contract backlog and acquired software and technology. Intangible assets that are not considered to have an indefinite useful life are amortized over
their useful lives, which are generally two to fifteen years. Amortization expense for intangible assets was $40.8 million , $49.8 million and $50.8 million for the
years ended December 31, 2018 , 2017 and 2016 , respectively.

The Company tests goodwill and indefinite-lived intangible assets for impairment at least annually by performing a quantitative assessment of whether the fair value
of each reporting unit or asset exceeds its carrying amount. The Company has one reporting unit. Goodwill is tested at this reporting unit level and indefinite-lived
intangible assets are tested at the individual asset level. This requires the Company to assess and make judgments regarding a variety of factors which impact the fair
value of the reporting unit or asset being tested, including business plans, anticipated future cash flows, economic projections and other market data.

The Company performs its annual impairment tests for goodwill and indefinite-lived intangible assets as of January 1 of each year unless there is an indicator that
would require a test during the year. The Company periodically reviews the carrying value of other intangible assets and will recognize impairments when events or
circumstances indicate that such assets may be impaired.

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Concentrations of Credit Risk

The Company has a concentration of credit risk with respect to revenue and trade receivables due to the use of certain significant channel partners to market and sell
the Company's products. The Company performs periodic credit evaluations of its customers' financial condition and generally does not require collateral. The
following table outlines concentrations of risk with respect to the Company's revenue:

(as a % of revenue)
Revenue from channel partners

Largest channel partner
2 nd  largest channel partner

Year Ended December 31,

2018

2017

2016

22%  

4%  

2%  

25%  

5%  

2%  

24%

5%

2%

No single customer accounted for more than 5% of the Company's revenue in 2018 , 2017 or 2016 .

In addition to the concentration of credit risk with respect to trade receivables, the Company's cash and cash equivalents are also exposed to concentration of credit
risk. The Company's cash and cash equivalent accounts are insured through various public and private bank deposit insurance programs, foreign and domestic;
however, a significant portion of the Company's funds are not insured. The following table outlines concentrations of risk with respect to the Company's cash and
cash equivalents:

(in thousands)
Cash and cash equivalents held domestically

Cash and cash equivalents held by foreign subsidiaries

Cash and cash equivalents held in excess of deposit insurance, foreign and domestic

Largest balance of cash and cash equivalents held with one financial institution, foreign and domestic

Allowance for Doubtful Accounts

As of December 31,

2018

2017

$

616,249   $

160,890  

754,163  

452,166  

561,417

320,084

852,138

328,902

The Company makes judgments as to its ability to collect outstanding receivables and provides allowances for a portion of receivables when collection becomes
doubtful. Provisions are made based upon a specific review of all significant outstanding invoices from both value and delinquency perspectives. For those invoices
not specifically reviewed, provisions are estimated at differing rates based upon the age of the receivable and the geographic area of origin. In determining these
percentages, the Company considers its historical collection experience and current economic trends in the customer's industry and geographic region. The Company
recorded provisions for bad debts of $1.6 million , $1.5 million and $2.0 million for the years ended December 31, 2018 , 2017 and 2016 , respectively.

Income Taxes

The Company accounts for income taxes under the asset and liability method, which requires the recognition of deferred tax assets and liabilities for the expected
future tax consequences of events that have been included in the financial statements. Under this method, deferred tax assets and liabilities are determined based on
the differences between the financial statement and tax bases of assets and liabilities using enacted tax rates in effect for the year in which the differences are
expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period of the enactment date.

The Company records net deferred tax assets to the extent it believes these assets will more likely than not be realized. In making such determination, the Company
considers all available positive and negative evidence, including scheduled reversals of deferred tax liabilities, projected future taxable income, tax planning
strategies and recent financial operations. In the event the Company determines that it will be able to realize deferred tax assets for which a valuation allowance was
used to reduce their carrying value, the adjustment to the valuation allowance will be recorded as a reduction to the provision for income taxes.

Tax benefits related to uncertain tax positions taken or expected to be taken on a tax return are recorded when such benefits meet a more-likely-than-not threshold.
Otherwise, these tax benefits are recorded when a tax position has been effectively settled, which means that the statute of limitations has expired or the appropriate
taxing authority has completed its examination even though the statute of limitations remains open. The Company recognizes interest and penalties related to

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income taxes within the income tax expense line in the consolidated statements of income. Accrued interest and penalties are included within the related tax liability
line in the consolidated balance sheets.

Foreign Currencies

Certain of the Company's sales and intercompany transactions are denominated in foreign currencies. These transactions are translated to the functional currency at
the exchange rate on the transaction date. Assets and liabilities denominated in a currency other than the Company's or subsidiary's functional currency are translated
at the effective exchange rate on the balance sheet date. Gains and losses resulting from foreign exchange transactions are included in other expense, net. The
Company recorded net foreign exchange losses of $3.1 million and $1.9 million for the years ended December 31, 2018 and 2017 , respectively, and net foreign
exchange gains of $0.1 million for the year ended December 31, 2016 .

The financial statements of the Company's foreign subsidiaries are translated from the functional (local) currency to U.S. Dollars. Assets and liabilities are translated
at the exchange rates on the balance sheet date. Results of operations are translated at average exchange rates, which approximate rates in effect when the underlying
transactions occurred.

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss is composed entirely of foreign currency translation adjustments.

Earnings Per Share

Basic earnings per share (EPS) amounts are computed by dividing earnings by the weighted average number of common shares outstanding during the period.
Diluted EPS amounts assume the issuance of common stock for all potentially dilutive equivalents outstanding. To the extent stock awards are anti-dilutive, they are
excluded from the calculation of diluted EPS.

The details of basic and diluted EPS are as follows:

(in thousands, except per share data)
Net income

Weighted average shares outstanding – basic

Dilutive effect of stock plans

Weighted average shares outstanding – diluted

Basic earnings per share

Diluted earnings per share

Anti-dilutive shares

Stock-Based Compensation

Year Ended December 31,

2018

2017

2016

  $

419,375   $

259,251   $

83,973  

1,940  

85,913  

4.99   $

4.88   $

7  

84,988  

1,866  

86,854  

3.05   $

2.98   $

84  

  $

  $

265,636

87,227

1,742

88,969

3.05

2.99

260

The Company accounts for stock-based compensation in accordance with share-based payment accounting guidance. The guidance requires an entity to measure the
cost of employee services received in exchange for an award of equity instruments based on the grant-date fair value of the award. The cost is recognized over the
period during which an employee is required to provide service in exchange for the award, typically the vesting period.

Fair Value of Financial Instruments

The Company accounts for certain assets and liabilities at fair value in accordance with the accounting guidance applicable to fair value measurements and
disclosures. The carrying values of cash, cash equivalents, short-term investments, accounts receivable, accounts payable, accrued expenses, other accrued liabilities
and short-term obligations are deemed to be reasonable estimates of their fair values because of their short-term nature.

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3. Revenue from Contracts with Customers

Adoption of ASC 606, Revenue from Contracts with Customers

The Company adopted ASC 606 on January 1, 2018 using the modified retrospective approach for all contracts not completed as of the date of adoption. Results for
reporting periods beginning after January 1, 2018 are presented under ASC 606, while prior period amounts are not adjusted and continue to be reported in
accordance with ASC 605, Revenue Recognition (ASC 605). The adoption of ASC 606 represents a change in accounting principle that will more closely align
revenue recognition with the delivery of the Company’s software licenses, maintenance and services.

The Company recorded an increase to retained earnings of $242.4 million , or $183.1 million net of tax, on January 1, 2018 due to the cumulative effect of the ASC
606 adoption, with the impact primarily derived from revenue related to time-based software lease licenses.

Impact of ASC 606 on Consolidated Financial Statement Line Items

The following table compares the impacted assets and liabilities on the consolidated balance sheet as of December 31, 2018 to the amounts had ASC 605 been in
effect:

December 31, 2018

(in thousands)
Accounts receivable, less allowance for doubtful accounts of $8,000

Other receivables and current assets

Other long-term assets

Deferred income tax assets

Accrued income taxes

Other accrued expenses and liabilities

Deferred revenue - current

Deferred income tax liabilities

Other long-term liabilities

Stockholders' equity

As Reported (ASC
606)

$

317,700   $

216,113  

82,775  

26,630  

8,726  

99,559  

328,584  

30,077  

61,573  

ASC 605

Change

135,190   $

351,246  

43,429  

65,973  

—  

101,949  

526,168  

23,056  

76,354  

182,510

(135,133)

39,346

(39,343)

8,726

(2,390)

(197,584)

7,021

(14,781)

246,388

$

2,649,547   $

2,403,159   $

The Company recorded $244.1 million of deferred revenue to retained earnings upon the adoption of ASC 606 on January 1, 2018. The pattern of software lease
license revenue recognition has changed under ASC 606. Software lease license revenue was recognized ratably over the term of the contract under the previous
guidance; however, approximately 50% of the contract is recognized up front at the commencement of the lease under ASC 606. This change in the pattern of
revenue recognition, coupled with the recording of deferred revenue to retained earnings at the adoption date, resulted in the changes to the consolidated balance
sheet line items as noted in the table above.

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The following table compares the impacted amounts on the consolidated statements of income for the year ended December 31, 2018 to the amounts had ASC 605
been in effect:

(in thousands, except per share data)
Revenue:

Software licenses

Maintenance and service

Cost of sales:

Software licenses

Maintenance and service

Income tax provision

Earnings per share:

Basic

Diluted

As Reported (ASC
606)

ASC 605

Change

$

$

$

576,717   $

716,919  

676,846   $

539,623  

(100,129)

177,296

18,619  

110,232  

67,710  

36,852  

91,999  

53,067  

4.99   $

4.88   $

4.25   $

4.15   $

(18,233)

18,233

14,643

0.74

0.73

The impacts to reported software licenses revenue, and maintenance and service revenue, were primarily due to the PCS portion of lease license contracts now being
allocated to maintenance and service revenue under ASC 606. Under the previous guidance, this revenue was reported as software licenses revenue. This decrease to
software licenses revenue was partially offset by the upfront recognition of the license component of lease revenue, which would have been recognized ratably over
the contract under prior guidance. Consistent with the change in revenue, there was a corresponding reclassification within cost of sales. Costs incurred related to the
PCS portion of lease license contracts are reflected in cost of maintenance and service. Under the previous guidance, such costs were reflected within cost of
software licenses.

The adoption of ASC 606 had no impact on the Company’s cash flows from operations. However, with the adoption of ASC 606, there will be income tax payments
associated with deferred revenue and backlog credited to retained earnings and never recognized as revenue in the financial statements. The 2018 tax payments
related to the adoption of ASC 606 are approximately $14.0 million .

Disaggregation of Revenue

The following table summarizes revenue for the years ended December 31, 2018 , 2017 and 2016 :

(in thousands)
Revenue:

Lease licenses

Perpetual licenses

Software licenses

Maintenance

Service

Maintenance and service

Total revenue

2018 
(ASC 606)

2018 
(ASC 605)

2017 
(ASC 605)

2016
(ASC 605)

Year Ended December 31,

$

275,619   $

421,268   $

376,886   $

301,098  

576,717  

676,883  

40,036  

716,919  

255,578  

676,846  

499,510  

40,113  

539,623  

248,078  

624,964  

440,428  

29,858  

470,286  

$

1,293,636   $

1,216,469   $

1,095,250   $

340,331

227,843

568,174

394,745

25,546

420,291

988,465

The Company’s software licenses revenue is recognized up front, while maintenance and service revenue is generally recognized over the term of the contract.
Under ASC 606, the Company derived 22.4% of its total revenue through the indirect sales channel for the year ended December 31, 2018 . Under ASC 605, the
Company derived 23.5% , 24.8% , and 24.4% of its total revenue through the indirect sales channel for the years ended December 31, 2018 , 2017 and 2016 ,
respectively.

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Deferred Revenue

Deferred revenue consists of billings made or payments received in advance of revenue recognition from software license and maintenance agreements. The timing
of revenue recognition may differ from the timing of billings to customers. Payment terms vary by the type and location of customer and the products or services
offered. The time between invoicing and when payment is due is not significant. The changes in deferred revenue during the year ended December 31, 2018 ,
inclusive of both current and long-term, are as follows:

(in thousands)
Beginning balance – January 1

Acquired deferred revenue

Recognition of deferred revenue

Deferral of revenue

Currency translation

Ending balance – December 31

$

$

299,730

2,470

(1,293,636)

1,339,964

(5,354)

343,174

Revenue allocated to remaining performance obligations represents contracted revenue that has not yet been recognized, which includes deferred revenue and
backlog. The Company's backlog represents installment billings for periods beyond the current quarterly billing cycle and customer orders received but not
processed. Revenue recognized during the year ended December 31, 2018 reflected above of $1,293.6 million included amounts in deferred revenue and backlog at
the beginning of the period of $387.2 million . Total revenue allocated to remaining performance obligations was $659.2 million as of December 31, 2018 and will
be recognized as revenue as follows:

(in thousands)
Next 12 months

Months 13-24

Months 25-36

Thereafter

Total revenue allocated to remaining performance obligations

4. Acquisitions

OPTIS

$

$

475,883

125,048

43,470

14,771

659,172

On May 2, 2018, the Company completed the acquisition of 100% of the shares of OPTIS, a premier provider of software for scientific simulation of light, human
vision and physics-based visualization, for a purchase price of $291.0 million , paid in cash. The acquisition extends the Company's portfolio into the area of optical
simulation to provide comprehensive sensor solutions, covering visible and infrared light, electromagnetics and acoustics for camera, radar and lidar. The acquisition
met the definition of a business under ASU 2017-01.

The operating results of OPTIS have been included in the Company's consolidated financial statements since May 2, 2018, the date of acquisition.

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The assets and liabilities of OPTIS have been recorded based upon management's estimates of their fair market values as of the acquisition date. The following
tables summarize the fair value of consideration transferred and the fair values of identified assets acquired and liabilities assumed at the acquisition date:

Fair Value of Consideration Transferred:

(in thousands)
Cash

Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:

(in thousands)
Cash

Accounts receivable and other tangible assets

Developed software and core technologies (9 – 10 year life)

Customer lists (12 year life)

Trade names (4 – 10 year life)

Accounts payable and other liabilities 

Deferred revenue 

Net deferred tax liabilities

Total identifiable net assets

Goodwill

$

$

$

$

290,983

7,957

15,979

47,597

41,303

10,749

(11,444)

(2,470)

(23,187)

86,484

204,499

The goodwill, which is not tax-deductible, is attributed to intangible assets that do not qualify for separate recognition, including the assembled workforce of the
acquired business and the synergies expected to arise as a result of the acquisition of OPTIS.

The fair values of the assets acquired and liabilities assumed are based on preliminary calculations. The estimates and assumptions for these items are subject to
change as additional information about what was known and knowable at the acquisition date is obtained during the measurement period (up to one year from the
acquisition date). During the period since the OPTIS acquisition date, the Company adjusted the fair values of the assets acquired and liabilities assumed, with the
offset recorded as a $1.8 million increase to goodwill. These adjustments were based on refinements to assumptions used in the preliminary valuation of accounts
receivable and other tangible assets, developed software and core technologies, accounts payable and other liabilities, and information about what was known and
knowable as of the acquisition date in the calculation of the net deferred tax liabilities.

In valuing deferred revenue on the OPTIS balance sheet as of the acquisition date, the Company applied the fair value provisions applicable to the accounting for
business combinations. Acquired deferred revenue with a historical carrying value of  $14.2 million under ASC 606, and $22.3 million under ASC 605, was ascribed
a fair value of $2.5 million on the opening balance sheet. As a result, the Company's post-acquisition revenue will be less than the sum of what would have
otherwise been reported by ANSYS and OPTIS absent the acquisition. Under ASC 606 and ASC 605, the impacts on reported revenue for the year ended
December 31, 2018 were  $8.7 million and $14.4 million , respectively. The expected impact on reported revenue for the year ending December 31, 2019 is  $1.6
million under ASC 606.

Full pro forma results of operations have not been presented as the effects of the OPTIS business combination were not material to the Company's consolidated
results of operations. The table presented below reflects the impact of OPTIS from the date of acquisition to December 31, 2018 . The operating loss does not
include integration costs borne directly by ANSYS, Inc. and its non-OPTIS subsidiaries as a result of the acquisition.

(in thousands)
Revenue

Operating loss

Year Ended December 31, 2018

ASC 606

ASC 605

$

$

18,532   $

(5,462)   $

12,276

(11,718)

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Prior Year Acquisitions

During the years ended December 31, 2017 and 2016 , the Company completed various acquisitions to expand its customer base and accelerate the development of
new and innovative products to the marketplace while lowering design and engineering costs for customers. The acquisitions were not individually significant. The
combined purchase prices of the acquisitions purchased during the years ended December 31, 2017 and 2016 were approximately $67.0 million and $10.3 million ,
respectively. The 2017 technology acquisitions are further described in the table below:

Date of Closing

November 15, 2017

Company

3DSIM

July 5, 2017

Computational Engineering
International, Inc.
(CEI Inc.)

Details

3DSIM, a developer of premier additive manufacturing technology, gives ANSYS a complete additive
manufacturing simulation workflow solution. 3DSIM's software solutions empower manufacturers,
designers, materials scientists and engineers to achieve their objectives through simulation-driven innovation
rather than physical trial and error.

CEI Inc., the developer of EnSight, aids engineers and scientists in their ability to analyze, visualize and
communicate large simulation data sets in clear, higher-resolution outputs.

March 10, 2017

CLK Design Automation (CLK-
DA)

CLK-DA offers fast transistor simulation technology that complements the Company's semiconductor
product portfolio.

The operating results of each acquisition have been included in the Company's consolidated financial statements since each respective date of acquisition. The
effects of the business combinations were not material to the Company's consolidated results of operations individually or in the aggregate.

In valuing deferred revenue on the balance sheets of the Company's acquisitions as of their respective acquisition dates, the Company applied the fair value
provisions applicable to the accounting for business combinations. Under ASC 606, the impacts on reported revenue for the year ended December 31, 2018 were
$0.7 million . The expected impact on reported revenue for the year ending December 31, 2019 is $0.1 million . Under ASC 605, the impacts on reported revenue for
the years ended December 31, 2018 , 2017 and 2016 were $1.2 million , $2.9 million and $0.1 million , respectively.

5. Receivables and Other Current Assets

The Company's receivables and other current assets comprise the following balances:

(in thousands)
Accounts receivable, less allowance for doubtful accounts of $8,000 and $6,800, respectively

Receivables related to unrecognized revenue

Income taxes receivable, including overpayments and refunds

Prepaid expenses and other current assets

Total other receivables and current assets

December 31,

2018

2017

317,700   $

124,659

167,144   $

13,709  

35,260  

216,113   $

215,155

21,663

27,002

263,820

$

$

$

Receivables for unrecognized revenue represent the current portion of billings made for customer contracts that have not yet been recognized as revenue.

Upon the adoption of ASC 606 on January 1, 2018, the opening balances of accounts receivable and receivables related to unrecognized revenue were $278.8
million and $136.4 million , respectively.

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6. Property and Equipment

Property and equipment consists of the following:

(in thousands)
Equipment

Computer software

Buildings and improvements

Leasehold improvements

Furniture

Land

Property and equipment, gross

Less: Accumulated depreciation

Property and equipment, net

Estimated Useful Lives
1-12 years

  $

1-5 years

5-40 years

1-17 years

1-13 years

December 31,

2018

2017

92,409   $

35,053  

27,352  

15,782  

10,846  

1,759  

183,201  

(121,546)  

88,189

34,994

26,423

13,316

9,239

1,759

173,920

(116,824)

57,096

  $

61,655   $

Depreciation expense related to property and equipment was $18.4 million , $17.9 million and $18.7 million for the years ended December 31, 2018 , 2017 and 2016
, respectively.

7. Goodwill and Intangible Assets

Goodwill represents the excess of the fair value of the consideration transferred over the value of net tangible and identifiable intangible assets of acquired
businesses. Identifiable intangible assets acquired in business combinations are recorded based on their fair values on the date of acquisition.

During the first quarter of 2018 , the Company completed the annual impairment test for goodwill and the indefinite-lived intangible asset and determined that these
assets had not been impaired as of the test date, January 1, 2018 . No other events or circumstances changed during the year ended December 31, 2018 that would
indicate that the fair values of the Company's reporting unit and indefinite-lived intangible asset are below their carrying values.

The Company's intangible assets and estimated useful lives are classified as follows:

(in thousands)
Finite-lived intangible assets:

Developed software and core technologies (3 – 11 years)

Customer lists and contract backlog (5 – 15 years)

Trade names (2 – 10 years)

Total

Indefinite-lived intangible assets:

Trade name

December 31, 2018

December 31, 2017

Gross
Carrying
Amount

Accumulated
Amortization

Gross
Carrying
Amount

Accumulated
Amortization

$

$

$

410,680   $

(314,730)   $

365,317   $

209,031  

137,225  

(117,614)  

(113,677)  

171,048  

127,200  

756,936   $

(546,021)   $

663,565   $

(297,645)

(104,522)

(104,130)

(506,297)

357    

  $

357    

Amortization expense for the intangible assets reflected above was $40.8 million , $49.8 million and $50.8 million for the years ended December 31, 2018 , 2017
and 2016 , respectively.

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As of December 31, 2018 , estimated future amortization expense for the intangible assets reflected above is as follows:

(in thousands)
2019

2020

2021

2022

2023

Thereafter

Total intangible assets subject to amortization, net

Indefinite-lived trade name

Other intangible assets, net

The changes in goodwill during the years ended December 31, 2018 and 2017 are as follows:

(in thousands)
Beginning balance - January 1

Acquisitions and adjustments (1)

Currency translation

Ending balance - December 31

$

$

31,652

32,723

29,900

26,182

23,275

67,183

210,915

357

211,272

2018
1,378,553   $

2017

1,337,215

$

204,381  

(10,479)  

36,443

4,895

$

1,572,455   $

1,378,553

(1) In accordance with the accounting for business combinations, the Company recorded adjustments to goodwill for the effect of changes in the provisional fair
values of the assets acquired and liabilities assumed during the measurement period (up to one year from the acquisition date) as the Company obtained new
information about facts and circumstances that existed as of the acquisition date that, if known, would have affected the measurement of the amounts recognized as
of that date.

8. Fair Value Measurement

The valuation hierarchy for disclosure of assets and liabilities reported at fair value prioritizes the inputs for such valuations into three broad levels:

•
•

•

Level 1: quoted prices (unadjusted) in active markets for identical assets or liabilities;
Level 2: quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly
through market corroboration, for substantially the full term of the financial instrument; or
Level 3: unobservable inputs based on the Company's own assumptions used to measure assets and liabilities at fair value.

A financial asset's or liability's classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The following tables provide the assets carried at fair value and measured on a recurring basis:

(in thousands)
Assets

Cash equivalents

Short-term investments

Deferred compensation plan investments

Fair Value Measurements at Reporting Date Using:

Quoted Prices in
Active Markets
(Level 1)

Significant Other
Observable
Inputs
(Level 2)

Significant
Unobservable
Inputs
(Level 3)

December 31, 2018

$

$

$

446,055   $

446,055   $

225   $

1,646   $

81

—   $

1,646   $

—   $

225   $

—   $

—

—

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(in thousands)
Assets

Cash equivalents

Short-term investments

Deferred compensation plan investments

Fair Value Measurements at Reporting Date Using:

Quoted Prices in
Active Markets
(Level 1)

Significant Other
Observable
Inputs
(Level 2)

Significant
Unobservable
Inputs
(Level 3)

December 31, 2017

$

$

$

312,914   $

312,914   $

286   $

3,742   $

—   $

3,742   $

—   $

286   $

—   $

—

—

—

The cash equivalents in the preceding tables represent money market funds, valued at net asset value, with carrying values which approximate their fair values
because of their short-term nature.

The short-term investments in the preceding tables represent deposits held by certain foreign subsidiaries of the Company. The deposits have fixed interest rates with
original maturities ranging from three months to one year.

The deferred compensation plan investments in the preceding tables represent trading securities held in a rabbi trust for the benefit of the non-employee Directors.
These securities consist of mutual funds traded in an active market with quoted prices. As a result, the plan assets are classified as Level 1 in the fair value hierarchy.
The plan assets are recorded within other long-term assets on the Company's consolidated balance sheets.

9.

Income Taxes

Income before income taxes includes the following components:

(in thousands)
Domestic

Foreign

Total

The provision for income taxes is composed of the following:

(in thousands)
Current:

Federal

State

Foreign

Deferred:

Federal

State

Foreign

Total

  $

  $

  $

Year Ended December 31,

2018

2017

2016

455,478   $

31,607  

487,085   $

344,447   $

51,247  

395,694   $

340,251

40,064

380,315

Year Ended December 31,

2018

2017

2016

58,138   $

12,888  

30,359  

(20,764)  

(2,901)  

(10,010)  

112,414   $

7,879  

18,843  

(7,387)  

(584)  

5,278  

99,783

8,338

17,479

(13,368)

(1,036)

3,483

114,679

  $

67,710   $

136,443   $

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The reconciliation of the U.S. federal statutory tax rate to the consolidated effective tax rate is as follows:

Federal statutory tax rate

State income taxes, net of federal benefit

Foreign rate differential

Uncertain tax positions

U.S. tax reform enactment

Domestic production activity benefit

Benefit from entity structuring activities

Research and development credits

Stock-based compensation

Foreign-derived intangible income deduction

Other

Year Ended December 31,

2018

2017

2016

21.0 %  

35.0 %  

35.0 %

1.5

0.8

0.5

0.2

—  

(1.4)

(2.3)

(3.3)

(3.9)

0.8

13.9 %  

1.1

0.1

0.3

4.5

(2.6)

—  

(1.4)

(3.1)

—  

0.6

34.5 %  

1.6

0.1

(0.2)

—

(3.7)

(2.2)

(1.0)

0.2

—

0.4

30.2 %

On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (Tax Reform). Tax Reform
makes broad and complex changes to the U.S. tax code, including, but not limited to, (1) reducing the U.S. federal corporate tax rate from 35 percent to 21 percent ;
(2) requiring companies to pay a one-time federal income tax on certain unrepatriated earnings of foreign subsidiaries (transition tax); (3) generally eliminating U.S.
federal income taxes on dividends from foreign subsidiaries; (4) creating a new provision designed to tax global intangible low-taxed income (GILTI) which allows
for the possibility of using foreign tax credits (FTCs) and a deduction of up to 50 percent to offset the income tax liability (subject to some limitations); (5) repealing
the domestic production activity deduction; (6) creating the foreign-derived intangible income deduction; (7) creating the base erosion anti-abuse tax, a new
minimum tax; (8) allowing for full expensing of qualified property through bonus depreciation; and (9) creating limitations on the deductibility of certain executive
compensation.

The SEC staff issued Staff Accounting Bulletin (SAB) 118, which provides guidance on accounting for the tax effects of Tax Reform. SAB 118 provided a
measurement period that was limited to one year from enactment for companies to complete the accounting under ASC 740, Income Taxes . In accordance with SAB
118, throughout the measurement period, a company must reflect the income tax effects of those aspects of Tax Reform for which the accounting under ASC 740
was complete in the financial statements. To the extent that a company’s accounting for certain income tax effects of Tax Reform was incomplete, but a reasonable
estimate was able to be made, the company must record a provisional estimate in the financial statements. If a company could not determine a provisional estimate to
be included in the financial statements, it should continue to apply ASC 740 on the basis of the tax laws that were in effect immediately before the enactment of Tax
Reform.

As further discussed below, the Company finalized its provisional Tax Reform calculations as of the end of the measurement period, based on guidance and
information available as of the reporting date. The U.S. government has not yet issued final guidance related to the new rules enacted as part of Tax Reform.
Subsequent adjustments, if any, will be recorded in the period in which guidance is finalized.

The Company’s accounting for the impact of the reduction in the U.S. federal corporate tax rate on the Company's deferred tax assets and liabilities is complete. Tax
Reform reduced the corporate tax rate to 21 percent , effective January 1, 2018. Consequently, the Company recorded a net adjustment to deferred income tax
expense of $1.9 million for the year ended December 31, 2017 to revalue the Company’s deferred tax assets and liabilities. No further adjustments were recorded for
the year ended December 31, 2018.

The Company’s accounting for the transition tax is complete. Reasonable estimates of certain effects were calculated and a provisional adjustment of $16.0 million
was recorded in the December 31, 2017 financial statements. To determine the amount of the transition tax, the Company determined, in addition to other factors,
the amount of post-1986 earnings and profits (E&P) of the relevant subsidiaries, as well as the amount of non-U.S. income taxes paid on such earnings. Based on
revised E&P calculations updated during the measurement period, the Company recognized an additional measurement-period adjustment of $0.9 million to the
transition tax obligation and a corresponding adjustment to tax expense, resulting in a total transition tax obligation of $16.9 million . The Company has elected to
pay this liability over eight years; however, in accordance with IRS issued guidance, tax overpayments from the year ended December 31, 2017 are required to be
applied to the transition tax obligation. Based on this guidance, $15.6 million of the obligation has been paid, with the remaining $1.3 million recorded in other long-
term liabilities at December 31, 2018.

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The Company’s accounting for the indefinite reinvestment assertion is complete. In general, it is the practice and intention of the Company to repatriate previously
taxed earnings in excess of working capital needs and to reinvest all other earnings of its non-U.S. subsidiaries. As part of Tax Reform, the Company incurred U.S.
tax on substantially all of the earnings of its non-U.S. subsidiaries as part of the transition tax. This tax increased the Company’s previously taxed earnings and
allows for the repatriation of the majority of its foreign earnings without any residual U.S. federal tax. The Company does not believe that there is an excess of the
financial reporting basis over the tax basis of investments in foreign subsidiaries. Accordingly, any repatriation in excess of previously taxed earnings will be a non-
taxable return of basis. During the year ended December 31, 2018, the Company repatriated $144.3 million of foreign cash. The Company has not made any
measurement-period adjustments related to its indefinite reinvestment assertion during the year ended December 31, 2018.

The Company’s accounting policy choice for GILTI is complete. Under U.S. GAAP, the Company is allowed to make an accounting policy choice of either (1)
treating taxes due on future U.S. inclusions in taxable income related to GILTI as a current-period expense when incurred (the period cost method) or (2) factoring
such amounts into the Company’s measurement of its deferred taxes (the deferred method). The Company selected the period cost method and recorded GILTI tax
expense of $0.4 million in the financial statements for the year ended December 31, 2018.

The components of deferred tax assets and liabilities are as follows:

(in thousands)
Deferred tax assets:

Stock-based compensation

Net operating loss carryforwards

Uncertain tax positions

Employee benefits

Research and development credits

Allowance for doubtful accounts

Deferred revenue

Other

Valuation allowance

Deferred tax liabilities:

Other intangible assets

Accounting method change

Deferred revenue

Property and equipment

Unremitted foreign earnings

Net deferred tax (liabilities) assets

December 31,

2018

2017

  $

20,464   $

19,741  

17,823  

15,048  

5,951  

1,616  

—  

2,505  

(2,127)  

81,021  

(38,787)  

(31,626)  

(12,021)  

(2,034)  

—  

(84,468)  

  $

(3,447)   $

17,825

21,391

15,424

8,603

3,699

1,462

5,134

2,003

(1,906)

73,635

(29,924)

—

—

(1,557)

(1,504)

(32,985)

40,650

At December 31, 2018 and 2017, respectively, the Company excluded from the above table deferred tax assets associated with foreign net operating loss
carryforwards of $19.5 million and $25.2 million and corresponding valuation allowances of $19.5 million and $25.2 million in a jurisdiction where the Company
determined utilization is remote.

The net increase in the valuation allowance was primarily due to an increase in unrealizable tax assets. As of each reporting date, management considers new
evidence, both positive and negative, that could affect the future realization of deferred tax assets. If management determines it is more likely than not that an asset,
or a portion of an asset, will not be realized, a valuation allowance is recorded.

As of December 31, 2018 , the Company had federal net operating loss carryforwards of $5.6 million . These losses expire between 2025 - 2036 , and are subject to
limitations on their utilization. Deferred tax assets of $0.4 million have been recorded for state operating loss carryforwards. These losses expire between 2029 -
2035 , and are subject to limitations on their utilization. The Company had total foreign net operating loss carryforwards of $73.8 million , of which $46.0 million
are not currently subject to expiration dates. The remainder, $27.8 million , expires between 2021 - 2035 . The Company had tax credit carryforwards of $4.3 million
, of which $2.2 million are subject to limitations on their utilization. Approximately $0.6 million of these tax credit carryforwards are not currently subject to
expiration dates. The remainder, $3.7 million , expires in various years between 2019 - 2038 .

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The following is a reconciliation of the total amounts of unrecognized tax benefits:

(in thousands)
Unrecognized tax benefit as of January 1

Gross increases—tax positions in prior period

Gross decreases—tax positions in prior period

Gross increases—tax positions in current period

Reductions due to a lapse of the applicable statute of limitations

Changes due to currency fluctuation

Settlements

Unrecognized tax benefit as of December 31

Year Ended December 31,

2018

2017

2016

  $

19,657   $

15,209   $

1,229  

(376)  

4,014  

(994)  

(703)  

—  

905  

(765)  

3,757  

(847)  

1,414  

(16)  

  $

22,827   $

19,657   $

16,067

983

(2,502)

2,725

(927)

(348)

(789)

15,209

The Company believes that it is reasonably possible that approximately $1.0 million of uncertain tax positions may be resolved within the next twelve months as a
result of settlement with a taxing authority or a lapse of the statute of limitations. Of the total unrecognized tax benefit as of  December 31, 2018 ,  $13.7 million
 would affect the effective tax rate, if recognized.

The Company recognizes interest and penalties related to income taxes as income tax expense. During the years ended December 31, 2018 , 2017 and 2016, the
Company recorded penalty expense of $0.8 million , $1.1 million and $0.8 million , respectively. The Company recorded interest income of $0.1 million for the year
ended December 31, 2018 and interest expense of $0.4 million and $0.1 million during the years ended December 31, 2017 and 2016, respectively. As of
December 31, 2018 , the Company accrued a liability for penalties of $4.7 million and interest of $4.0 million . As of December 31, 2017 , the Company accrued a
liability for penalties of $3.9 million and interest of $3.6 million .

The Company is subject to taxation in the U.S. and various states and foreign jurisdictions. In the U.S., the Company's only major tax jurisdiction, the 2015 - 2018
tax years are open to examination by the Internal Revenue Service.

10. Pension and Profit-Sharing Plans

The Company has a 401(k)/profit-sharing plan for all qualifying domestic employees that permits participants to defer a portion of their pay pursuant to
Section 401(k) of the Internal Revenue Code. The Company makes matching contributions on behalf of each eligible participant in an amount equal to 100% of the
first 3% and an additional 25% of the next 5% , for a maximum total of 4.25% of the employee's compensation. The Company may make a discretionary
contribution based on the participant's eligible compensation, provided the employee is employed at the end of the year and has worked at least 1,000 hours . The
Company also maintains various defined contribution and defined benefit pension arrangements for its international employees. The Company meets the minimum
statutory funding requirements for its foreign defined benefit and contribution plans. The total unfunded portion of the defined benefit obligations is $9.7 million .

Expenses related to the Company's retirement programs were $12.4 million in 2018 , $10.1 million in 2017 and $9.1 million in 2016 .

11. Non-Compete and Employment Agreements

Employees of the Company have signed agreements under which they have agreed not to disclose trade secrets or confidential information that, where legally
permitted, restrict engagement in or connection with any business that is competitive with the Company anywhere in the world while employed by the Company
(and, in some cases, for specified periods thereafter in relevant geographic areas), and that any products or technology created by them during their term of
employment are the property of the Company. In addition, the Company requires all channel partners to enter into agreements not to disclose the Company's trade
secrets and other proprietary information.

The Company has an employment agreement with its Chief Executive Officer. This agreement provides for, among other things, in the case of termination for
reasons other than death, disability or cause and subject to non-compete and non-solicit clauses, minimum severance payments equal to two times his base salary and
target bonus paid out over two years from the date of termination and up to two years of payments for health care coverage from the date of termination. The Chief
Executive Officer is subject to a two-year restriction on competition and solicitation following termination of employment under the circumstances described in the
contract.

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The Company has a transition agreement with its Chairman of the Board. This agreement provides for, among other things, that the Chairman of the Board shall be
employed by the Company until April 30, 2019 unless terminated earlier in accordance with the terms of the agreement. The Chairman of the Board shall receive
salary paid in bi-monthly installments as specified in the transition agreement and restricted stock units vesting in part in March 2018 and the remainder at the end of
the transition agreement, subject to the Chairman of the Board's continued employment, in accordance with the terms of the transition agreement. The Chairman of
the Board will not be entitled to bonus payments during his employment pursuant to the transition agreement, but he will be eligible to participate in all of the
Company’s benefit plans subject to the terms of such plans. The transition agreement provides for an additional payment (less salary received and equity calculations
as set forth in the transition agreement) in the event that the Chairman of the Board's employment is terminated without cause prior to April 30, 2019.

The Company also has employment agreements with several other employees, primarily in foreign jurisdictions. The terms of these employment agreements
generally include annual compensation, severance payment provisions and non-compete clauses.

12. Stock-Based Compensation

The Company has an equity incentive plan—the Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (Stock Plan). The Stock Plan, as
amended, authorizes the grant of up to 39.8 million shares of the Company's common stock in the form of: (i) incentive stock options (ISOs), (ii) nonqualified stock
options, (iii) common stock with or without vesting or other restrictions, (iv) common stock upon the attainment of specified performance goals, (v) restricted stock
awards, (vi) the right to receive cash dividends with the holders of the common stock as if the recipient held a specified number of shares of the common stock,
(vii) deferred stock awards, (viii) restricted stock unit awards, (ix) stock appreciation rights and (x) cash-based awards.

The Stock Plan provides that: (i) the exercise price of an ISO must be no less than the fair value of the stock at the date of grant and (ii) the exercise price of an ISO
held by an optionee who possesses more than 10% of the total combined voting power of all classes of stock must be no less than 110% of the fair market value of
the stock at the time of grant. The Compensation Committee of the Board of Directors has the authority to set expiration dates no later than ten years from the date
of grant (or five years for an optionee who meets the 10% criterion), payment terms, and other provisions for each grant. The majority of options granted have a four
-year vesting period. Shares associated with unexercised options or reacquired shares of common stock (except those shares withheld as a result of tax withholding
or net issuance) become available for option grants and common stock issuances under the Stock Plan. The Compensation Committee of the Board of Directors may,
at its sole discretion, accelerate or extend the date or dates on which all or any particular award or awards granted under the Stock Plan may vest or be exercised.
Upon termination of service of a participant due to the participant’s death or disability, the vesting of restricted stock units held by the participant accelerates (in case
of performance-based vesting, subject to the attainment of the performance requirement).

In the event of a "sale event," defined in the Stock Plan as a "Transaction," all outstanding awards will be assumed or continued by the successor entity, with
appropriate adjustment in the awards to reflect the transaction. In such event, except as the Compensation Committee may otherwise specify with respect to
particular awards in the award agreements, if the service relationship of the holder of an award is terminated without cause within 18 months after the sale event,
then all awards held by such holder will become fully vested and exercisable at that time. If there is a sale event in which the successor entity refuses to assume or
continue outstanding awards, then subject to the consummation of the sale event, all awards with time-based vesting conditions will become fully vested and
exercisable at the effective time of the sale event and all awards with performance-based vesting conditions may become vested and exercisable in accordance with
the award agreements at the discretion of the Compensation Committee. If awards are not assumed or continued after a sale event, then all such awards will
terminate at the time of the sale event. In the event of the termination of stock options or stock appreciation rights in connection with a sale event, the Compensation
Committee may either make or provide for a cash payment to the holders of such awards equal to the difference between the per share transaction consideration and
the exercise price of such awards or permit each holder to have at least a 15 -day period to exercise such awards prior to their termination.

The Company currently issues shares related to exercised stock options or vested awards from its existing pool of treasury shares and has no specific policy to
repurchase treasury shares as stock options are exercised or as awards vest. If the treasury pool is depleted, the Company will issue new shares.

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Total stock-based compensation expense recognized for the years ended December 31, 2018 , 2017 and 2016 is as follows:

(in thousands, except per share amounts)
Cost of sales:

Software licenses

Maintenance and service

Operating expenses:

Selling, general and administrative

Research and development

Stock-based compensation expense before taxes

Related income tax benefits

Stock-based compensation expense, net of taxes

Net impact on earnings per share:

Basic earnings per share

Diluted earnings per share

Stock Options

Information regarding stock option transactions is summarized below:

Year Ended December 31,

2018

2017

2016

  $

  $

  $

  $

—   $

5,224  

969   $

2,533  

47,099  

31,023  

83,346  

(34,518)  

30,817  

18,835  

53,154  

(20,503)  

48,828   $

32,651   $

(0.58)   $

(0.57)   $

(0.38)   $

(0.38)   $

701

1,578

15,990

15,078

33,347

(10,538)

22,809

(0.26)

(0.26)

(options in thousands)
Outstanding, beginning of year

Granted

Exercised

Forfeited

Outstanding, end of year

Vested and Exercisable, end of year

Nonvested

Year Ended December 31,

2018

2017

2016

Weighted-
Average
Exercise
Price

Options

Weighted-
Average
Exercise
Price

Options

Weighted-
Average
Exercise
Price

Options

2,170   $

—   $

(679)   $

(7)   $

1,484   $

1,347   $

137   $

59.17  

—  

50.92  

86.28  

62.80  

59.69  

93.44  

3,136   $

—   $

(956)   $

(10)   $

2,170   $

1,930   $

240   $

56.37  

—  

49.78  

80.92  

59.17  

55.11  

91.71  

3,986   $

260   $

(1,082)   $

(28)   $

3,136   $

2,762   $

374   $

51.07

94.38

45.57

72.07

56.37

51.80

90.12

Weighted Average Remaining Contractual Term (in years)

Outstanding

Vested and Exercisable

Nonvested

Aggregate Intrinsic Value (in thousands)

Exercised

Outstanding

Vested and Exercisable

Nonvested

Compensation Expense - Stock Options  (in thousands)

2018

2017

2016

3.55  

3.14  

7.60  

78,648   $

118,908   $

112,133   $

6,775   $

2,006   $

4.10  

3.57  

8.30  

58,472   $

191,895   $

178,456   $

13,439   $

2,948   $

4.62

4.04

8.93

49,752

113,822

112,379

1,443

7,406

  $

  $

  $

  $

  $

Historical and future expected forfeitures have not been significant and, as a result, the outstanding option amounts reflected in the tables above approximate the
options expected to vest.

The fair value of each option grant is estimated on the date of grant, or date of acquisition for options issued in a business combination, using the Black-Scholes
option pricing model, which was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable. The
Company's options have characteristics significantly different from those of traded options, and changes in input assumptions can materially affect the fair value
estimates. The interest rates used were determined by using the five-year Treasury Note yield at the date of grant or date of acquisition for

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options issued in a business combination. The volatility was determined based on the historic volatility of the Company's stock during the preceding six years.

The table below presents the weighted average input assumptions used and resulting fair values for options granted or issued in business combinations during the
year ended December 31, 2016:

Risk-free interest rate

Expected dividend yield

Expected volatility

Expected term

Weighted average fair value per share

1.19% to 1.93%

—%

24%

5.7 years

$23.96

The Company did not grant stock option awards in 2018 and 2017. Forfeitures of awards are accounted for as they occur. The effect of pre-vesting forfeitures on the
Company's recorded expense has historically been negligible due to the relatively low turnover of stock option holders.

The Company's determination of fair value of share-based payment awards on the date of grant using an option pricing model is affected by the Company's stock
price as well as assumptions regarding a number of variables. As of December 31, 2018 , total unrecognized estimated compensation cost related to unvested stock
options granted prior to that date was $2.8 million , which is expected to be recognized over a weighted average period of 1.4 years .

Information regarding stock options outstanding as of December 31, 2018 is summarized below:

(options in thousands)

Options Outstanding

Options Exercisable

Options Unvested

Range of Exercise
Prices
$5.91 - $48.97

$58.67

$61.68 - $65.72

$67.44 - $95.09

  Options

458  

359  

11  

656  

Weighted- 
Average 
Remaining 
Contractual 
Life (years)

Weighted- 
Average 
Exercise 
Price

  Options

Weighted-
Average
Remaining
Contractual
Life (years)

Weighted- 
Average 
Exercise 
Price

  Options

Weighted-
Average
Remaining
Contractual
Life (years)

Weighted-
Average
Exercise
Price

1.57   $

2.84   $

0.44   $

5.38   $

42.12  

58.67  

63.75  

79.50  

457  

359  

11  

520  

88

1.56   $

2.84   $

0.44   $

4.79   $

42.20  

58.67  

63.75  

75.68  

1  

—  

—  

136  

6.00   $

0.00   $

0.00   $

7.61   $

12.26

—

—

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Restricted Stock Units

Under the terms of the ANSYS, Inc. Second Amended and Restated Long-Term Incentive Plan, the Company issues various restricted stock awards. The following
table summarizes the types of awards and vesting conditions:

Award

Restricted stock units with a market and service
condition

Vesting Period

Three years

Vesting Condition

Company performance measured by total shareholder return relative to the
Nasdaq Composite Index for the measurement period and subject to continued
employment through the vesting period.

Restricted stock units with an operating performance
and service condition

Three years

Operating performance metrics as defined by the Company through the vesting
period.

Restricted stock units with a service condition only

Three or four years

Continued employment with the Company through the yearly vesting period.

The fair values of restricted stock units (RSUs) with a market condition were estimated using a Monte Carlo simulation model and are recognized over the vesting
period. The determination of the fair values of the awards was affected by the grant date and several variables, each of which has been identified in the chart below:

Assumptions used in Monte Carlo lattice pricing model
Risk-free interest rate

Expected dividend yield

Expected volatility—ANSYS stock price

Expected volatility—Nasdaq Composite Index

Expected term

Correlation factor

Weighted average fair value per share

2018
2.4%

—%

21%

15%

2.8 years

0.65

191.76

Year Ended December 31,

2017
1.5%

—%

19%

15%

2.8 years

0.70

120.94

2016
1.0%

—%

21%

16%

2.8 years

0.65

78.71

The fair value of RSUs with operating performance metrics is based on the fair market value of the Company's stock on the date of the grant and is recognized from
the grant date through the conclusion of the measurement period associated with each operating performance metric based on management's estimates concerning
the probability of vesting.

The fair value of RSUs with only a service condition is based on the fair market value of the Company's stock on the date of the grant and is recognized over the
vesting period.

Total compensation expense for RSU awards recorded for the years ended December 31, 2018 , 2017 and 2016 was $77.4 million , $46.3 million and $22.9 million ,
respectively.

Information regarding all employee RSU transactions is summarized below:

(RSUs in thousands)
Nonvested, beginning of year

Granted (1)
Performance adjustment (2)

Vested

Forfeited

Nonvested, end of year

Year Ended December 31,

2018

2017

2016

Weighted-
Average
Grant Date Fair
Value

RSUs

Weighted-
Average
Grant Date Fair
Value

RSUs

Weighted-
Average
Grant Date Fair
Value

RSUs

1,361   $

681   $

76   $

(524)   $

(72)   $

1,522   $

100.66  

163.67  

151.52  

101.38  

125.29  

129.96  

906   $

866   $

35   $

(341)   $

(105)   $

1,361   $

86.45  

109.67  

98.29  

88.58  

90.80  

100.66  

656   $

588   $

(90)   $

(176)   $

(72)   $

906   $

83.30

87.50

77.68

83.79

83.82

86.45

(1) Includes all RSUs granted during the year. RSUs with operating performance conditions are issued annually and have three performance cycles. Performance
conditions are assigned at the beginning of each performance cycle and are reflected as grants at target at that time.

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(2) RSUs with a market or performance condition are granted at target and vest based on achievement of the market or operating performance and service conditions.
The actual number of RSUs issued may be more or less than the target RSUs depending on the achievement of the market or operating performance conditions.

Board of Directors

In 2015 and prior, the Company granted deferred stock awards to non-employee Directors, which are rights to receive shares of common stock upon termination of
service as a Director. Associated with these awards, the Company established a non-qualified 409(a) deferred compensation plan with assets held under a rabbi trust
to provide Directors an opportunity to diversify their vested awards. During open trading windows and at their elective option, the Directors may convert their
Company shares into a variety of non-Company-stock investment options in order to diversify a portion of their holdings, subject to meeting ownership guidelines.

Information regarding deferred stock awards to non-employee Directors is summarized below:

Deferred Awards Outstanding, beginning of year

Shares Diversified

Shares Issued Upon Retirement

Deferred Awards Outstanding, end of year

Year Ended December 31, 2018

Diversified

Undiversified

Total

29,500  

6,105  

(23,355)  

12,250  

159,599  

(6,105)  

(33,045)  

120,449  

189,099

—

(56,400)

132,699

In 2018 , 2017 and 2016 , the Company granted 13,632 , 18,018 and 38,400 RSUs, respectively, which will vest in full upon the earlier of one year from the date of
grant or the date of the next regular meeting of stockholders. The weighted average grant date fair values per RSU were $165.71 , $123.38 and $86.25 for the years
ended December 31, 2018 , 2017 and 2016 , respectively. Total compensation expense associated with the awards recorded for the years ended December 31, 2018 ,
2017 and 2016 was $2.3 million, $2.6 million and $1.9 million, respectively.

Employee Stock Purchase Plan

The Company's 1996 Employee Stock Purchase Plan (the “Purchase Plan”) was adopted by the Board of Directors on April 19, 1996 and was subsequently approved
by the Company's stockholders. The stockholders approved an amendment to the Purchase Plan in May 2016 to increase the number of shares available for offerings
to 1.8 million shares. The Purchase Plan is administered by the Compensation Committee. Offerings under the Purchase Plan commence on each February 1 and
August 1, and have a duration of six months. An employee who owns or is deemed to own shares of stock representing in excess of 5% of the combined voting
power of all classes of stock of the Company may not participate in the Purchase Plan.

During each offering, an eligible employee may purchase shares under the Purchase Plan by authorizing payroll deductions of up to 10% of his or her cash
compensation during the offering period. The maximum number of shares that may be purchased by any participating employee during any offering period is limited
to 3,840 shares (as adjusted by the Compensation Committee from time to time). Unless the employee has previously withdrawn from the offering, his or her
accumulated payroll deductions will be used to purchase common stock on the last business day of the period at a price equal to 90% of the fair market value of the
common stock on the first or last day of the offering period, whichever is lower. Under applicable tax rules, an employee may not accrue the right to purchase more
than $ 25,000 of common stock, based on the grant-date fair value, in any calendar year in which the option is outstanding at any time. As of December 31, 2018 ,
1.6 million shares of common stock had been issued under the Purchase Plan. The total compensation expense recorded under the Purchase Plan during the years
ended December 31, 2018 , 2017 and 2016 was $1.8 million , $1.2 million and $1.2 million , respectively.

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13. Stock Repurchase Program

Under the Company's stock repurchase program, the Company repurchased shares as follows:

(in thousands, except per share data)
Number of shares repurchased

Average price paid per share

Total cost

Year Ended December 31,

2018

2017

2016

$

$

1,674  

161.12   $

269,801   $

2,750  

122.20   $

336,042   $

3,700

90.90

336,335

The most recent amendment to the program, authorizing the repurchase of up to 5.0 million shares, was approved by the Company's Board of Directors in February
2018. There is no expiration date to this amendment. As of December 31, 2018 , 3.8 million shares remained available for repurchase under the program.

14. Leases

Office Space

The Company's executive offices and those related to certain domestic product development, marketing, production and administration are located in a 186,000
square foot office facility in Canonsburg, Pennsylvania. The term of the lease is 183 months , beginning on October 1, 2014 and expiring on December 31, 2029.
Absent the exercise of options in the lease for additional rentable space or early lease termination, the Company's base rent (inclusive of property taxes and certain
operating expenses) will be $4.3 million per annum for the first five years of the lease term, $4.5 million per annum for years six through ten and $4.7 million per
annum for years eleven through fifteen. The Company incurred $4.4 million in lease expense related to this facility during each of the years ended December 31,
2018 , 2017 and 2016 .

The Company has entered into various other noncancellable operating leases for office space.

Office space lease expense totaled $19.9 million , $17.1 million and $16.9 million for the years ended December 31, 2018 , 2017 and 2016 , respectively. Future
minimum lease payments, including termination fees, under noncancellable operating leases for office space in effect at December 31, 2018 are as follows:

(in thousands)
2019

2020

2021

2022

2023

Thereafter

Total

15. Royalty Agreements

$

$

16,354

12,469

10,177

8,523

6,809

14,267

68,599

The Company has entered into various renewable, nonexclusive license agreements under which the Company has been granted access to the licensor's technology
and the right to sell the technology in the Company's product line. Royalties are payable to developers of the software at various rates and amounts, which generally
are based upon unit sales, revenue or flat fees. Royalty fees are reported in cost of goods sold and were $16.9 million , $16.0 million and $13.1 million for the years
ended December 31, 2018 , 2017 and 2016 , respectively.

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16. Geographic Information

Revenue to external customers is attributed to individual countries based upon the location of the customer. Revenue by geographic area is as follows:

(in thousands)
United States

Japan

Germany

South Korea

France

China

Other EMEA

Other international

Total revenue

Property and equipment by geographic area is as follows:

(in thousands)
United States

India

EMEA

Other international

Total property and equipment, net

17. Unconditional Purchase Obligations

Year Ended December 31,

2018 
(ASC 606)

2018 
(ASC 605)

2017 
(ASC 605)

2016
(ASC 605)

$

506,335   $

480,997   $

417,343   $

145,951  

140,506  

72,724  

67,657  

57,567  

193,317  

109,579  

137,733  

124,729  

62,215  

62,146  

56,060  

182,228  

110,361  

126,097  

108,211  

63,011  

53,672  

54,415  

166,472  

106,029  

$

1,293,636   $

1,216,469   $

1,095,250   $

367,892

120,159

99,820

56,793

49,293

43,088

151,250

100,170

988,465

December 31,

2018

2017

46,605   $

4,176  

7,120  

3,754  

61,655   $

45,498

3,704

5,114

2,780

57,096

$

$

The Company has entered into various unconditional purchase obligations which primarily include royalties, software licenses and long-term purchase contracts for
network, communication and office maintenance services. The Company expended $22.4 million , $14.1 million and $7.2 million related to unconditional purchase
obligations that existed as of the beginning of each year for the years ended December 31, 2018 , 2017 and 2016 , respectively. Future expenditures under
unconditional purchase obligations in effect as of December 31, 2018 are as follows:

(in thousands)
2019

2020

2021

2022

2023

Total

$

$

24,182

8,588

4,633

54

54

37,511

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18. Restructuring

During the fourth quarter of 2016, the Company initiated workforce realignment activities to reallocate resources to align with the Company's future strategic plans.
The Company completed the workforce realignment activities as of September 30, 2017. The Company incurred related restructuring charges as follows:

(in thousands)
Q4 2016

Q1 2017

Q2 2017

Q3 2017

Total restructuring charges

$

$

Gross

Net of Tax

3,419   $

9,273  

2,000  

466  

15,158   $

2,355

6,176

1,435

331

10,297

The restructuring charges are included in the presentation of cost of software licenses; cost of maintenance and service; research and development expense; and
selling, general and administrative expense. The gross charges were fully paid as of March 31, 2018.

19. Contingencies and Commitments

The Company is subject to various investigations, claims and legal proceedings that arise in the ordinary course of business, including commercial disputes, labor
and employment matters, tax audits, alleged infringement of intellectual property rights and other matters. In the opinion of the Company, the resolution of pending
matters is not expected to have a material adverse effect on the Company's consolidated results of operations, cash flows or financial position. However, each of
these matters is subject to various uncertainties and it is possible that an unfavorable resolution of one or more of these proceedings could materially affect the
Company's results of operations, cash flows or financial position.

An Indian subsidiary of the Company has several service tax audits pending that have resulted in formal inquiries being received on transactions through mid-
2012. The Company could incur tax charges and related liabilities of approximately $7.1 million . The service tax issues raised in the Company’s notices and
inquiries are very similar to the case, M/s Microsoft Corporation (I) (P) Ltd. Vs. Commissioner of Service Tax, New Delhi, wherein the Delhi Customs, Excise and
Service Tax Appellate Tribunal (CESTAT) passed a favorable ruling to Microsoft. The Company can provide no assurances on whether the Microsoft case's
favorable ruling will be challenged in higher courts or on the impact that the present Microsoft case’s decision will have on the Company’s cases. The Company is
uncertain as to when these service tax matters will be concluded.

The Company sells software licenses and services to its customers under proprietary software license agreements. Each license agreement contains the relevant
terms of the contractual arrangement with the customer, and generally includes certain provisions for indemnifying the customer against losses, expenses and
liabilities from damages that are incurred by or awarded against the customer in the event the Company's software or services are found to infringe upon a patent,
copyright or other proprietary right of a third party. To date, the Company has not had to reimburse any of its customers for any losses related to these
indemnification provisions and no material claims asserted under these indemnification provisions are outstanding as of December 31, 2018 . For several reasons,
including the lack of prior material indemnification claims, the Company cannot determine the maximum amount of potential future payments, if any, related to such
indemnification provisions.

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20. Subsequent Events

Acquisitions

In February 2019, the Company acquired 100% of the shares of Granta Design Limited (Granta Design) and Helic, Inc. (Helic) for a combined purchase price of
approximately $261.5 million . The acquisition of Granta Design, the premier provider of materials information technology, expands the Company's portfolio into
this important area, giving customers access to material intelligence, including data that is critical to successful simulations. The acquisition of Helic, the industry-
leading provider of electromagnetic crosstalk solutions for systems on chips, combined with the Company's flagship electromagnetic and semiconductor solvers, will
provide a comprehensive solution for on-chip, 3D integrated circuit and chip-package-system electromagnetics and noise analysis.

Credit Facility

Also in February 2019, the Company entered into a $500 million unsecured revolving credit facility. The revolving credit facility will be available for general
corporate purposes, including, among others, to finance acquisitions, share repurchases and capital expenditures, and becomes payable in full in February 2024.

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Table of Contents

(in thousands)
                                Description
Year ended December 31, 2018 

Allowance for doubtful accounts

Year ended December 31, 2017 

Allowance for doubtful accounts

Year ended December 31, 2016 

Allowance for doubtful accounts

ANSYS, INC. AND SUBSIDIARIES
Valuation and Qualifying Accounts

SCHEDULE II

Balance at
Beginning
of Year

Additions:
Charges to Costs
and Expenses

Deductions:
Returns and
Write-Offs

Balance at
End
of Year

  $

  $

  $

6,800   $

1,577   $

5,700   $

1,474   $

377   $

374   $

5,200   $

2,009   $

1,509   $

8,000

6,800

5,700

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Exhibit No.

  Exhibit

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.10

10.1

10.2

10.3

10.4

10.5

10.6

10.7

10.8

10.9

Restated Certificate of Incorporation of the Company (filed as Exhibit 3.1 to the Quarterly Report on Form 10-Q for the fiscal quarter ended
June 30, 1996 and incorporated herein by reference).

Certificate of Amendment to the Company's Restated Certificate of Incorporation as filed with the Secretary of State of the State of Delaware
(filed as Exhibit 3.1 to the Company's Current Report on Form 8-K, filed June 21, 2006, and incorporated herein by reference).

Certificate of Amendment to the Company's Restated Certificate of Incorporation as filed with the Secretary of State of the State of Delaware
(filed as Exhibit 3.1 to the Company's Current Report on Form 8-K, filed May 17, 2011, and incorporated herein by reference).

Certificate of Amendment to the Company's Restated Certificate of Incorporation as filed with the Secretary of State of the State of Delaware
(filed as Exhibit 3.1 to the Company's Current Report on Form 8-K, filed May 21, 2012, and incorporated herein by reference).

Second Amended and Restated By-laws of the Company (filed as Exhibit 3.1 to the Company's Current Report on Form 8-K, filed February 19,
2008, and incorporated herein by reference).

Amendment No. 1 to the Second Amended and Restated By-laws of the Company (filed as Exhibit 3.1 to the Company's Current Report on Form
8-K, filed July 23, 2008, and incorporated herein by reference).

Amendment No. 2 to the Second Amended and Restated By-laws of the Company (filed as Exhibit 3.1 to the Company's Current Report on Form
8-K, filed December 20, 2011, and incorporated herein by reference).

Amendment No. 3 to the Second Amended and Restated By-laws of ANSYS, Inc. (filed as Exhibit 3.1 to the Company's Current Report on Form
8-K filed August 7, 2015, and incorporated herein by reference).

Amendment No. 4 to the Second Amended and Restated By-laws of ANSYS, Inc. (filed as Exhibit 3.9 to the Company's Annual Report on Form
10-K, filed February 23, 2017, and incorporated herein by reference).

Third Amended and Restated By-laws of the Company (filed as Exhibit 3.1 to the Company's Current Report on Form 8-K, filed January 19,
2018, and incorporated herein by reference).

ANSYS, Inc. Second Amended and Restated Employee Stock Purchase Plan (filed as Exhibit 10.1 to the Quarterly Report on Form 10-Q for the
fiscal quarter ended September 30, 2007 and incorporated herein by reference).*

The Company's Pension Plan and Trust, as amended (filed as Exhibit 10.20 to the Company's Registration Statement on Form S-1 (File No. 333-
4278) and incorporated herein by reference).*(P)

Form of Director Indemnification Agreement (filed as Exhibit 10.21 to the Company's Registration Statement on Form S-1 (File No. 333-4278)
and incorporated herein by reference).(P)

Employment Agreement between the Registrant and James E. Cashman III dated as of April 21, 2003 (filed as Exhibit 10.1 to the Company's
Quarterly Report on Form 10-Q for the quarter ended March 31, 2003 and incorporated herein by reference).*

Incentive Stock Option Agreement under the ANSYS, Inc. Second Amended and Restated 1996 Stock Option and Grant Plan (filed as Exhibit
99.1 to the Company's Current Report on Form 8-K, filed February 8, 2005, and incorporated herein by reference).*

Non-Qualified Stock Option Agreement under the ANSYS, Inc. Second Amended and Restated 1996 Stock Option and Grant Plan (filed as
Exhibit 99.2 to the Company's Current Report on Form 8-K, filed February 8, 2005, and incorporated herein by reference).*

Incentive Stock Option Agreement under the ANSYS, Inc. Second Amended and Restated 1996 Stock Option and Grant Plan (filed as Exhibit
99.3 to the Company's Current Report on Form 8-K, filed February 8, 2005, and incorporated herein by reference).*

Non-Qualified Stock Option Agreement under the ANSYS, Inc. Second Amended and Restated 1996 Stock Option and Grant Plan (filed as
Exhibit 99.4 to the Company's Current Report on Form 8-K, filed February 8, 2005, and incorporated herein by reference).*

Non-Qualified Stock Option Agreement under the ANSYS, Inc. Second Amended and Restated 1996 Stock Option and Grant Plan (filed as
Exhibit 99.5 to the Company's Current Report on Form 8-K, filed February 8, 2005, and incorporated herein by reference).*

10.10

Options Granted to Independent Directors Related to the 2005 Annual Meeting of Stockholders on May 10, 2005 (filed as a disclosure in the
Company's Current Report on Form 8-K, filed May 13, 2005, and incorporated herein by reference).*

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10.11

10.12

10.13

10.14

10.15

10.16

10.17

10.18

10.19

10.20

10.21

10.22

10.23

10.24

10.25

10.26

10.27

10.28

10.29

Amendment to Non-Affiliate Independent Director Compensation on February 9, 2006 (filed as a disclosure in the Company's Current Report on
Form 8-K, filed February 15, 2006, and incorporated herein by reference).*

Form of Deferred Stock Unit Agreement under the Third Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as
Exhibit 10.2 to the Company's Current Report on Form 8-K, filed July 6, 2006, and incorporated herein by reference).*

Deferred Stock Unit Agreement under the Third Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as Exhibit 10.4 to
the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2008 and incorporated herein by reference).*

Amended and Restated ANSYS, Inc. Cash Bonus Plan (filed as Exhibit 10.5 to the Company's Quarterly Report on Form 10-Q for the quarter
ended September 30, 2008 and incorporated herein by reference).*

First Amendment of the Employment Agreement Between the Company and James E. Cashman III as of November 6, 2008 (filed as Exhibit 10.6
to the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2008 and incorporated herein by reference).*

ANSYS, Inc. Executive Severance Plan, dated February 17, 2010 (filed as Exhibit 10.2 to the Company's Current Report on Form 8-K, filed
February 23, 2010, and incorporated herein by reference).*

Form of Award Notice under the ANSYS, Inc. Long-Term Incentive Plan (filed as Exhibit 10.3 to the Company's Quarterly Report on Form 10-Q
for the quarter ended March 31, 2010 and incorporated herein by reference).*

Second Amendment of the Employment Agreement Between ANSYS, Inc. and James E. Cashman III dated March 14, 2011 (filed as Exhibit 10.1
to the Company's Current Report on Form 8-K, filed March 18, 2011, and incorporated herein by reference).*

Form of Employee Incentive Stock Option Agreement under the Fourth Amended and Restated ANSYS, Inc. Stock Option and Grant Plan (filed
as Exhibit 10.5 to the Company's Current Report on Form 8-K, filed March 18, 2011, and incorporated herein by reference).*

Form of Employee Non-Qualified Stock Option Agreement under the Fourth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant
Plan (filed as Exhibit 10.1 to the Company's Quarterly Report on Form 10-Q, filed May 2, 2013, and incorporated herein by reference).*

Form of Employee Director Non-Qualified Stock Option Agreement under the Fourth Amended and Restated ANSYS, Inc. 1996 Stock Option
and Grant Plan (filed as Exhibit 10.2 to the Company's Quarterly Report on Form 10-Q, filed May 2, 2013, and incorporated herein by
reference).*

Form of Non-Employee Director Non-Qualified Stock Option Agreement under the Fourth Amended and Restated ANSYS, Inc. 1996 Stock
Option and Grant Plan (filed as Exhibit 10.3 to the Company's Quarterly Report on Form 10-Q, filed May 2, 2013, and incorporated herein by
reference).*

Form of Non-Qualified Option Transfer Acknowledgment under the Fourth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant
Plan (filed as Exhibit 10.4 to the Company's Quarterly Report on Form 10-Q, filed May 2, 2013, and incorporated herein by reference).*

Form of Indemnification Agreement between ANSYS, Inc. and Non-Employee Directors (filed as Exhibit 10.1 to the Company's Current Report
on Form 8-K, filed March 20, 2013, and incorporated herein by reference).

First Amendment to Letter Agreement between ANSYS, Inc. and Maria T. Shields, dated March 14, 2011 (filed as Exhibit 10.2 to the Company's
Current Report on Form 8-K, filed March 18, 2011, and incorporated herein by reference).*

Consent of the Compensation Committee of the ANSYS, Inc. Board of Directors dated March 14, 2011 (filed as Exhibit 10.3 to the Company's
Current Report on Form 8-K, filed March 18, 2011, and incorporated herein by reference).*

Fourth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as Exhibit 10.1 to the Company's Current Report on Form
8-K, filed May 17, 2011, and incorporated herein by reference).*

Lease by and between ANSYS, Inc. and Quattro Investment Group, L.P., dated as of September 14, 2012 (filed as Exhibit 10.1 to the Company's
Current Report on Form 8-K, filed September 18, 2012, and incorporated herein by reference).

Form of Restricted Stock Unit Agreement under the Fourth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as
Exhibit 10.39 to the Company's Annual Report on Form 10-K, filed February 27, 2014, and incorporated herein by reference).*

97

  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
  
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
  
 
 
  
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

10.30

10.31

10.32

10.33

10.34

10.35

10.36

10.37

10.38

10.39

10.40

10.41

10.42

10.43

10.44

14.1

14.2

21.1

23.1

24.1

31.1

ANSYS, Inc. Second Amended and Restated Long-Term Incentive Plan, dated March 5, 2014 (filed as Exhibit 10.1 to the Company's Current
Report on Form 8-K, filed March 11, 2014, and incorporated herein by reference).*

Form of Performance-Based Restricted Stock Unit (Total Shareholder Return) Award under the ANSYS, Inc. Second Amended and Restated
Long-Term Incentive Plan (filed as Exhibit 10.2 to the Company's Current Report on Form 8-K, filed March 11, 2014, and incorporated herein by
reference).*

Form of Performance-Based Restricted Stock Unit Award under the ANSYS, Inc. Fourth Amended and Restated 1996 Stock Option and Grant
Plan (filed as Exhibit 10.3 to the Company's Current Report on Form 8-K, filed March 11, 2014, and incorporated herein by reference).*

Employment Agreement between ANSYS, Inc. and Ajei S. Gopal, dated August 29, 2016 (filed as Exhibit 10.1 to the Company's Current Report
on Form 8-K, filed August 29, 2016, and incorporated herein by reference).*

Form of Restricted Stock Unit Agreement with Ajei S. Gopal (filed as Exhibit 10.2 to the Company's Current Report on Form 8-K, filed August
29, 2016, and incorporated herein by reference).*

Form of Non-Qualified Stock Option Agreement with Ajei S. Gopal (filed as Exhibit 10.3 to the Company's Current Report on Form 8-K, filed
August 29, 2016, and incorporated herein by reference).*

Transition Agreement between ANSYS, Inc. and James E. Cashman III, effective as of December 31, 2016 (filed as Exhibit 10.1 to the
Company's Current Report on Form 8-K, filed December 23, 2016, and incorporated herein by reference).*

ANSYS, Inc. Third Amended and Restated Employee Stock Purchase Plan (filed as Appendix 2 to the registrant’s Definitive Proxy Statement on
Schedule 14A filed with the SEC on March 31, 2016 and incorporated herein by reference).*

Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as Appendix 1 to the registrant’s Definitive Proxy Statement
on Schedule 14A filed with the SEC on March 31, 2016 and incorporated herein by reference).*

Form of Restricted Stock Unit Agreement under the Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as
Exhibit 10.35 to the Company's Annual Report on Form 10-K, filed February 23, 2017, and incorporated herein by reference).*

Form of Non-Qualified Stock Option Agreement under the Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as
Exhibit 10.36 to the Company's Annual Report on Form 10-K, filed February 23, 2017, and incorporated herein by reference).*

Form of Award Notice under the Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (filed as Exhibit 10.37 to the
Company's Annual Report on Form 10-K, filed February 23, 2017, and incorporated herein by reference).*

Form of Restricted Stock Unit Agreement (Non-Employee Directors) under the Fifth Amended and Restated Stock Option and Grant Plan (filed
as Exhibit 10.38 to the Company's Annual Report on Form 10-K, filed February 23, 2017, and incorporated herein by reference).*

Agreement and General Release by and between the Company and Walid Abu-Hadba, dated May 1, 2017 (filed as Exhibit 10.1 to the Company's
Current Report on Form 8-K, filed May 1, 2017, and incorporated herein by reference).*

Form of Restricted Stock Unit Agreement under the Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan 2018, attached
hereto as Exhibit 10.44.*

ANSYS, Inc. - Code of Business Conduct and Ethics, effective July 29, 2016 (filed as Exhibit 14.1 to the Company's Current Report on Form 8-
K, filed August 4, 2016, and incorporated herein by reference).

Amended and restated ANSYS, Inc. - Code of Business Conduct and Ethics, effective February 7, 2018 (filed as Exhibit 14.1 to the Company's
Current Report on Form 8-K, filed February 9, 2018, and incorporated herein by reference).

   Subsidiaries of the Registrant; filed herewith.

   Consent of Deloitte & Touche LLP, independent registered public accounting firm.

Powers of Attorney. Contained on the Signatures page of the Company's Annual Report on Form 10-K for the fiscal year ended December 31,
2018 and incorporated herein by reference.

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

98

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
Table of Contents

31.2

32.1

32.2

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

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

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

101.INS

   XBRL Instance Document

101.SCH

   XBRL Taxonomy Extension Schema

101.CAL

   XBRL Taxonomy Extension Calculation Linkbase

101.DEF

   XBRL Taxonomy Extension Definition Linkbase

101.LAB

   XBRL Taxonomy Extension Label Linkbase

101.PRE

   XBRL Taxonomy Extension Presentation Linkbase

*

Indicates management contract or compensatory plan, contract or arrangement.

(P)

Indicates a paper filing.

99

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

ITEM 16.

FORM 10-K SUMMARY

None.

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

  ANSYS, Inc.

Date:

February 28, 2019

  By:

/s/    A JEI  S. G OPAL         

Date:

February 28, 2019

  By:

/s/    M ARIA  T. S HIELDS        

Ajei S. Gopal

President and Chief Executive Officer

Maria T. Shields

Chief Financial Officer

100

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Ajei S. Gopal, his or her attorney-in-
fact, with the power of substitution, for such person in any and all capacities, to sign any amendments to this Report on Form 10-K, and to file the same, with
exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorney-
in-fact, or substitute or substitutes, may do or cause to be done by virtue hereof.

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

Signature

Title

Date

/s/    A JEI  S. G OPAL         

Ajei S. Gopal

/s/    M ARIA  T. S HIELDS        

Maria T. Shields

/s/ N ICOLE A NASENES  

Nicole Anasenes

President and Chief Executive Officer
(Principal Executive Officer)

February 28, 2019

Chief Financial Officer
(Principal Financial Officer and Accounting Officer)

February 28, 2019

Director

February 28, 2019

/s/    J AMES  E. C ASHMAN  III        

Non-Executive Chairman of the Board of Directors

February 28, 2019

James E. Cashman III

/s/ G LENDA  M. D ORCHAK

Glenda M. Dorchak

/s/ G UY  E. D UBOIS

Guy E. Dubois

/s/ D R . A LEC  D. G ALLIMORE

Dr. Alec D. Gallimore

/s/ R ONALD  W. H OVSEPIAN

Ronald W. Hovsepian

/s/ W ILLIAM  R. M C D ERMOTT

William R. McDermott

/s/ B ARBARA  V. S CHERER

Barbara V. Scherer

/s/ M ICHAEL  C. T HURK

Michael C. Thurk

Director

Director

Director

February 28, 2019

February 28, 2019

February 28, 2019

Lead Independent Director

February 28, 2019

Director

Director

Director

101

February 28, 2019

February 28, 2019

February 28, 2019

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
RESTRICTED STOCK UNIT AGREEMENT 
UNDER THE FIFTH AMENDED AND RESTATED ANSYS, INC. 
1996 STOCK OPTION AND GRANT PLAN

EXHIBIT 10.44

Name of Grantee:              __
No. of Restricted Stock Units Granted:
Grant Date :                

Pursuant to the Fifth Amended and Restated ANSYS, Inc. 1996 Stock Option and Grant Plan (the “Plan”) as amended through
the date hereof, ANSYS, Inc. (the “Company”) hereby grants the number of Restricted Stock Units listed above (the “Award”) to the
Grantee named above. Each “Restricted Stock Unit” shall relate to one share of Common Stock par value $.01 per share (the “Stock”)
of the Company, subject to the restrictions and conditions set forth in this Restricted Stock Unit Agreement (the “Agreement”) and in
the Plan.

1. 

Restrictions on Transfer of Award . The Award shall not be sold, transferred, pledged, assigned or otherwise

encumbered or disposed of by the Grantee, until shares of Stock have been issued pursuant to Section 3 hereof.

2. 

Vesting of Restricted Stock Units .

(a)      The Restricted Stock Units shall become vested pursuant to the following schedule (each, a “Vesting Date”), so

long as the Grantee continues to be employed by the Company on each such date;

Incremental Number of 
Restricted Stock Units Vested

Vest Date

__SHARES_PERIOD1,’___,___,___’_-_

__SHARES_PERIOD2,’___,___,___’_-_

__SHARES_PERIOD3,’___,___,___’_-_

33_

33_

34_

__VEST_DATE_PERIOD1,’Month DD, YYYY’_-_

__VEST_DATE_PERIOD2,’Month DD, YYYY’_-_

__VEST_DATE_PERIOD3,’Month DD, YYYY’_-_

(b)      Notwithstanding anything herein to the contrary, in the event that this Award is assumed in the sole discretion of

the parties to a Transaction (as defined in Section 3 of the Plan) or is continued by the Company and thereafter remains in effect
following such Transaction, then this Award shall be deemed vested in full upon the date on which the Grantee’s employment with
the Company and its subsidiaries or successor entities terminates if (i) such termination occurs within 18 months of such Transaction
and (ii) such termination is by either the Company without Cause (as defined below), or by the Grantee if such termination by the
Grantee is preceded during such 18-month period by any material adverse modification of the duties, principal employment location
or compensation of the Grantee without

1

his or her consent, subject, however, to the following sentence. In addition and notwithstanding anything herein to the contrary, in the
event that the Grantee is not offered employment by the Company and its subsidiaries or any successor entities following a
Transaction on substantially the same or better terms (including, without limitation, duties and compensation) than those in effect
immediately prior to such Transaction, then this Award shall be deemed vested in full upon the date on which the Grantee’s
employment with the Company and its subsidiaries terminates. For this purpose, “Cause” shall have the meaning given such term in
the employment, severance or similar agreement between the Company and the Grantee and, in the absence of any such agreement,
shall mean a determination by the Company that the Grantee shall be dismissed as a result of (i) any material breach by the Grantee of
any agreement between the Grantee and the Company; (ii) the conviction of, indictment for or plea of nolo contendere by the Grantee
to a felony or a crime involving moral turpitude; or (iii) any material misconduct or willful and deliberate non-performance (other
than by reason of disability) by the Grantee of the Grantee’s duties to the Company.

3. 

Issuance of Shares of Stock .

(a)      Subject to the terms of the Plan and this Agreement, each Restricted Stock Unit entitles the Grantee to receive

one share of Stock as soon as reasonably practicable following the Vesting Date.

(b)      As soon as reasonably practicable following each Vesting Date, but in no event later than 60 days after the end

of the year in which such Vesting Date occurs, the Company shall direct its transfer agent to issue to the Grantee the number of shares
of Stock equal to the incremental number of Restricted Stock Units that became vested on such Vesting Date in satisfaction of the
Award via the Company’s dedicated on-line broker.

(c)      Shares of Stock shall be issued and delivered to the Grantee in accordance with Section 3(b) upon compliance to

the satisfaction of the Committee with all requirements under applicable laws or regulations in connection with such issuance and
with the requirements hereof and of the Plan. The determination of the Committee as to such compliance shall be final and binding on
the Grantee.

(d)      Until such time as shares of Stock are issued to the Grantee pursuant to Section 3(b), the Grantee shall have no

rights as a stockholder with respect to any shares of Stock underlying the Restricted Stock Units, including but not limited to any
voting rights.

2

4. 

Termination of Employment . Except as provided in Section 2(b) hereof, if the Grantee’s employment by the

Company or its subsidiaries is terminated for any reason or under any circumstances, this Award shall no longer vest with respect to
any unvested Restricted Stock Units.

5. 

Effect of Certain Transactions . Subject to Section 2(b) hereof, in the case of a Transaction (as defined in Section 3
of the Plan), the unvested portion of this Award shall terminate on the effective date of such Transaction, unless provision is made in
such Transaction in the sole discretion of the parties thereto for the assumption or continuation of the unvested Award or the
substitution for the unvested Award of new restricted stock units of the successor person or entity or a parent or subsidiary thereof,
with appropriate adjustment as to the number and kind of shares, as provided in the Plan.

6. 

Incorporation of Plan . Notwithstanding anything herein to the contrary, this Award shall be subject to and governed

by all the terms and conditions of the Plan, including the powers of the Committee set forth in Section 2(b) of the Plan. Capitalized
terms used herein shall have the meaning specified in the Plan, unless a different meaning is specified herein.

7. 

Transferability . This Award is personal to the Grantee, is non-assignable and is not transferable by Grantee in any
manner, by operation of law or otherwise, other than by will or the laws of descent and distribution. The Stock to be issued upon the
vesting of this Award to the Grantee shall be issued, during the Grantee’s lifetime, only to the Grantee.

8. 

Tax Withholding . Any issuance of shares of Stock to a Grantee pursuant to this Award shall be subject to applicable

tax withholding requirements. The Grantee shall, not later than the date as of which the transfer of shares of Stock pursuant to this
Award becomes a taxable event for Federal income tax or other applicable withholding tax purposes, pay to the Company or make
arrangements satisfactory to the Committee for payment of any Federal, state, local, non U.S., or other taxes required by law to be
withheld on account of such taxable event. The Company shall have the authority to cause the required minimum tax withholding
amount to be satisfied, in whole or in part, by withholding from shares of Stock to be issued to the Grantee a number of shares of
Stock with an aggregate Fair Market Value that would satisfy such minimum withholding obligation.

9. 

No Obligation to Continue Employment . Neither the Company nor any Subsidiary is obligated by or as a result of
the Plan or this Award to continue the Grantee in employment and neither the Plan nor this Award shall interfere in any way with the
right of the Company or any Subsidiary to terminate the employment of the Grantee at any time, in accordance with applicable law.

10. 

Non-Competition, Non-Solicitation . As additional consideration for this Award to the Grantee, the Grantee hereby
agrees that, if at any time during and for a period of one year after the termination of his or her employment with the Company or any
Subsidiary no matter what the cause of that termination, he or she engages for any reason, directly or indirectly, whether as owner,
part-owner, shareholder, member, partner, director, officer, trustee, employee, agent or consultant, or in any other capacity, on behalf
of himself or herself or any firm, corporation or other business organization other than the Company and its subsidiaries in any one or
more of the following activities:

3

(a)      the development, marketing, solicitation, or selling of any product or service that is competitive with the

products or services of the Company, or products or services that the Company has under development or that are subject to active
planning at any time during Grantee’s employment;

(b)      the use of any of the Company’s confidential or proprietary information, copyrights, patents or trade secrets

which was acquired by the Grantee as an employee of the Company and its subsidiaries; or

(c)      any activity for the purpose of inducing, encouraging, or arranging for the employment or engagement by anyone

other than the Company and its subsidiaries of any employee, officer, director, agent, consultant, or sales representative of the
Company and its subsidiaries or attempt to engage any of them in a manner which would deprive the Company and its subsidiaries of
their services or place them in a conflict of interest with the Company and its subsidiaries;

then (i) this Award shall terminate effective on the date on which he or she first engages in such activity, unless terminated sooner by
operation of any other term or condition of this Award or the Plan, and (ii) all shares of Stock issued to the Grantee pursuant to this
Award shall become immediately due and payable by Grantee to the Company and if such shares of Stock have been sold by the
Grantee, an amount equal to the proceeds from such sale shall become immediately due and payable by the Grantee to the Company.
Grantee acknowledges and agrees that the activities set forth in this Section 10(a)-(c) are adverse to the Company’s interests, and that
it would be inequitable for Grantee to benefit from this Award should Grantee engage in any such activities during or within one year
after termination of his or her employment with the Company.

The Grantee may be released from his or her obligations as stated above only if the Committee (or its duly appointed agent)

determines in its sole discretion that such action is in the best interests of the Company and its subsidiaries.

11. 

12. 

13. 

from the requirements of Section 409A of the Code as a “short-term deferral” as described in Section 409A of the Code.

Section 409A of the Code . This Agreement shall be interpreted in such a manner that the Award shall be exempt

supersedes all prior agreements and discussions between the parties concerning such subject matter.

Integration . This Agreement constitutes the entire agreement between the parties with respect to this Award and

Data Privacy . The Grantee hereby explicitly and unambiguously consents to the collection, use and transfer, in

electronic or other form, of the Grantee’s personal data as described in this Agreement and any other Award grant materials by
and among, as applicable, the company employing the Grantee (the “Employer”), the Company and any other Subsidiary for the
exclusive purpose of implementing, administering and managing the Grantee’s participation in the Plan.

The Grantee understands that the Company and the Employer may hold certain personal information about the Grantee,
including, but not limited to, the Grantee’s name, home address and telephone number, date of birth, social insurance number or
other identification number, salary, nationality, job title, any shares of Stock or directorships held in the Company, details of all
awards or

4

any other entitlement to shares of Stock awarded, canceled, exercised, vested, unvested or outstanding in the Grantee’s favor
(“Data”), for the exclusive purpose of implementing, administering and managing the Plan.

The Grantee understands that Data will be transferred to the stock plan service provider selected by the Company, which is

assisting the Company with the implementation, administration and management of the Plan.  The Grantee understands that the
recipients of the Data may be located in the United States or elsewhere, and that the recipient’s country (e.g., the United States)
may have different data privacy laws and protections than the Grantee’s country.  The Grantee understands that he or she may
request a list with the names and addresses of any potential recipients of the Data by contacting his or her local human resources
representative.  The Grantee authorizes the Company, the stock plan service provider and any other possible recipients which may
assist the Company (presently or in the future) with implementing, administering and managing the Plan to receive, possess, use,
retain and transfer the Data, in electronic or other form, for the sole purposes of implementing, administering and managing the
Grantee’s participation in the Plan.  The Grantee understands that Data will be held only as long as is necessary to implement,
administer and manage the Grantee’s participation in the Plan.  The Grantee understands that he or she may, at any time, view
Data, request additional information about the storage and processing of Data, require any necessary amendments to Data or
refuse or withdraw the consents herein, in any case without cost, by contacting in writing his or her local human resources
representative.  Further, the Grantee understands that he or she is providing the consents herein on a purely voluntary basis.  If
the Grantee does not consent, or if the Grantee later seeks to revoke his or her consent, his or her  employment status or service
and career with the Employer will not be adversely affected; the only adverse consequence of refusing or withdrawing consent is
that the Company would not be able to grant the Grantee the Award or other equity awards or administer or maintain such
awards.  Therefore, the Grantee understands that refusing or withdrawing his or her consent may affect the Grantee’s ability to
participate in the Plan.  For more information on the consequences of the Grantee’s refusal to consent or withdrawal of consent,
the Grantee understands that he or she may contact his or her local human resources representative.

14. 

Nature of Grant . In accepting the Award, the Grantee acknowledges, understands and agrees that:

(a)      the Plan is established voluntarily by the Company, it is discretionary in nature and it may be modified,

amended, suspended or terminated by the Company at any time, to the extent permitted by the Plan;

(b)      the grant of the Award is voluntary and occasional and does not create any contractual or other right to receive

future grants;

(c)      all decisions with respect to future Awards or other grants, if any, will be at the sole discretion of the Company;

(d)      the Award and the Grantee’s participation in the Plan shall not be interpreted as forming an employment contract

with the Company;

(e)      the Grantee is voluntarily participating in the Plan;

5

(f)      the Award and any shares of Stock acquired under the Plan are not intended to replace any pension rights or

compensation;

(g)      the Award and any shares of Stock acquired under the Plan, and the income and value of same, are not part of

normal or expected compensation for any purpose, including, without limitation, calculating any severance, resignation, termination,
redundancy, dismissal, end-of-service payments, bonuses, long-service awards, pension or retirement benefits or payments or welfare
benefits or similar payments;

(h)      the future value of the shares of Stock underlying the Award is unknown, indeterminable, and cannot be

predicted with certainty;

(i)      no claim or entitlement to compensation or damages shall arise from forfeiture of the Award resulting from the

termination of the Grantee’s employment relationship (for any reason whatsoever, whether or not later found to be invalid or in
breach of employment laws in the jurisdiction where the Grantee is employed or the terms of the Grantee’s employment agreement, if
any);

(j)      unless otherwise provided in the Plan or by the Company in its discretion, the Award and the benefits evidenced

by this Agreement do not create any entitlement to have the Award or any such benefits transferred to, or assumed by, another
company nor to be exchanged, cashed out or substituted for, in connection with any corporate transaction affecting the Company’s
Stock; and

(k)      neither the Employer, the Company nor any other Subsidiary shall be liable for any foreign exchange rate
fluctuation between the Grantee’s local currency and the United States Dollar that may affect the value of the Award or of any
amounts due to the Grantee pursuant to settlement of the Award or the subsequent sale of any shares of Stock acquired upon
settlement.

15. 

No Advice Regarding Grant . The Company is not providing any tax, legal or financial advice, nor is the Company
making any recommendations regarding the Grantee’s participation in the Plan, or the Grantee’s acquisition or sale of the underlying
shares of Stock.  The Grantee is hereby advised to consult with his or her own personal tax, legal and financial advisors regarding his
or her participation in the Plan before taking any action related to the Plan.

16. 

Language . If the Grantee has received this Agreement, or any other document related to the Award and/or the Plan

translated into a language other than English and if the meaning of the translated version is different than the English version, the
English version will control.

17. 

Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall
be mailed or delivered to the Grantee at the address on file with the Company or, in either case, at such other address as one party may
subsequently furnish to the other party in writing.

18. 

Amendment . Pursuant to Section 18 of the Plan, the Committee may at any time amend or cancel any unvested

portion of this Award, but no such action may be taken that adversely affects the Grantee’s rights under hereunder without the
Grantee’s consent.

6

19. 

Severability . If any provision(s) hereof shall be determined to be illegal or unenforceable, such determination shall

in no manner affect the legality or enforceability of any other provision hereof.

Counterparts . For the convenience of the parties and to facilitate execution, this Agreement may be executed in
two or more counterparts, each of which shall be deemed an original, but all of which shall constitute one and the same document.

20. 

ANSYS, Inc.

By:                     

Name: Ajei S. Gopal    

Title: President and CEO

7

    
The foregoing Award is hereby accepted and the terms and conditions of this Agreement are hereby agreed to by the undersigned.
Electronic acceptance of this Award pursuant to the Company’s instructions to the Grantee (including through an online acceptance
process) is acceptable.

Dated:                 

Optionee’s Signature

Optionee’s name and address:

__FIRST_NAME_-_ __LAST_NAME_-_
__ADDRESS_LINE_1_-_
__ADDRESS_LINE_2_-_
__ADDRESS_LINE_3_-_
__CITY_-_ __STATE_-_ __ZIPCODE_-_
__COUNTRY_-_

8

INTERNATIONAL APPENDIX

Additional Terms and Conditions

Terms and Conditions

This International Appendix includes additional terms and conditions that govern the award granted to you under the Plan for your
country. Certain capitalized terms used but not defined in this International Appendix have the meanings set forth in the Plan and the
Agreement that relate to your award. By acceptance of the award you agree to be bound by the terms and conditions contained in the
paragraphs below in addition to the terms of the Plan and the Agreement and the terms of any other document that may apply to you
and your award.

Notifications

This International Appendix also includes information regarding issues of which you should be aware with respect to participation in
the Plan. The information is based on the securities, exchange control, and other laws in effect in the respective countries as of the
date set forth above. Such laws are often complex and change frequently. As a result, it is strongly recommended that you not rely on
the information in this International Appendix as the only source of information relating to the consequences of your participation in
the Plan because the information may be out of date at the time you vest in your award or sell shares acquired under the Plan.

The  information  contained  herein  is  general  in  nature  and  may  not  apply  to  your  particular  situation,  and  the  Company  is  not  in  a
position to assure you of a particular result. In addition, please note that the requirements may differ for residents and non-residents.
Accordingly, you are advised to seek appropriate professional advice as to how the relevant laws in your country may apply to your
situation.

Finally, if you are a citizen or resident of a country other than the one in which you are currently working, transferred employment to
another  country  after  the  award  was  granted  to  you,  or  are  considered  a  resident  of  another  country  for  local  law  purposes,  the
information contained herein may not apply.

Provisions Applicable to all International Awards

Data Privacy. The Participant explicitly and unambiguously consents to the collection, use and transfer, in electronic or
other form, of the Participant’s personal data by and among, as applicable, the Company, its subsidiaries and affiliates,
for the exclusive purpose of implementing, administering and managing the Participant’s participation in the Plan. The
Participant hereby understands that the Company, its subsidiaries and affiliates hold (but only process or transfer to the
extent required or permitted by local law) certain personal information about the Participant, including, but not limited
to, the Participant’s name, home address and telephone number, date of birth, social

9

insurance number or other identification number, salary, nationality, job title, any Shares or directorships held in the
Company, details of all Restricted Stock Units or any other entitlement to Shares awarded, canceled, exercised, vested,
unvested or outstanding in the Participant’s favor, for the purpose of implementing, administering and managing the
Plan  (“Data”).  The  Participant  hereby  understands  that  Data  may  be  transferred  to  any  third  parties  assisting  in  the
implementation, administration and management of the Plan, that these recipients may be located in the Participant’s
country  or  elsewhere  (including  countries  outside  of  the  European  Economic  Area  such  as  the  United  States  of
America), and that the recipient’s country may have different data privacy laws and protections than the Participant’s
country. The Participant hereby understands that the Participant may request a list with the names and addresses of any
potential recipients of the Data by contacting the Participant’s local human resources representative. The Participant
authorizes  the  recipients  to  receive,  possess,  use,  retain  and  transfer  the  Data,  in  electronic  or  other  form,  for  the
purposes  of  implementing,  administering  and  managing  the  Participant’s  participation  in  the  Plan,  including  any
requisite transfer of such Data as may be required to a broker or other third party with whom the Participant may elect
to deposit any Shares acquired upon exercise. The Participant hereby understands that Data will be held only as long as
is necessary to implement, administer and manage the Participant’s participation in the Plan and in accordance with
local  law.  The  Participant  hereby  understands  that  the  Participant  may,  at  any  time,  view  Data,  request  additional
information about the storage and processing of Data, require any necessary amendments to Data or refuse or withdraw
the  consents  herein,  in  any  case  without  cost,  by  contacting  in  writing  the  Participant’s  local  human  resources
representative.  The  Participant  hereby  understands,  however,  that  refusing  or  withdrawing  the  Participant’s  consent
may  affect  the  Participant’s  ability  to  participate  in  the  Plan.  For  more  information  on  the  consequences  of  the
Participant’s refusal to consent or withdrawal of consent, the Participant hereby understands that the Participant may
contact the Participant’s local human resources representative.

Nature of Grant. In accepting the grant of Restricted Stock Units, the Participant acknowledges that:

(a)      the Plan is established voluntarily by the Company, is discretionary in nature and may be modified, amended,

suspended or terminated by the Company at any time, unless otherwise provided in the Plan and this Agreement;

(b)      the grant of Restricted Stock Units is voluntary and occasional and does not create any contractual or other right
to receive future grants of Restricted Stock Units, or benefits in lieu of Restricted Stock Units, even if Restricted Stock Units have
been granted repeatedly in the past;

(c)      all decisions with respect to future Restricted Stock Units, if any, will be at the sole discretion of the Company;

10

(d)          the Participant’s participation in the Plan will not create a right to further employment with the Participant’s
employer  (the  “Employer”)  and  shall  not  interfere  with  the  ability  of  the  Employer  to  terminate  the  Participant’s  employment
relationship;

(e)      the Participant is voluntarily participating in the Plan;

(f)            the  Restricted  Stock  Units  are  an  extraordinary  item  that  does  not  constitute  compensation  of  any  kind  for
services  of  any  kind  rendered  to  the  Company  or  the  Employer,  and  which  is  outside  the  scope  of  the  Participant’s  employment
contract, if any;

(g)      the Restricted Stock Units are not part of normal or expected compensation or salary for any purposes, including,
but  not  limited  to,  calculating  any  severance,  resignation,  termination,  redundancy,  end  of  service  payments,  bonuses,  long-service
awards, pension or retirement benefits or similar payments and in no event should be considered as compensation for, or relating in
any way to, past services for the Company or the Employer;

(h)      in the event that the Participant is not an employee of the Company, the grant of Restricted Stock Units will not
be interpreted to form an employment contract or relationship with the Company; and furthermore, the grant of Restricted Stock Units
will not be interpreted to form an employment contract with the Employer or any subsidiary or affiliate of the Company;

(i)      the future value of the underlying Shares is unknown and cannot be predicted with certainty;

(j)      if the Participant vests in the Restricted Stock Units and obtains Shares, the value of those Shares may increase or

decrease in value;

(k)      in consideration of the grant of the Restricted Stock Units, no claim or entitlement to compensation or damages
shall  arise  from  termination  of  the  Restricted  Stock  Units  or  diminution  in  value  of  the  Restricted  Stock  Units  or  Shares  acquired
resulting from termination of the Participant’s employment by the Company or the Employer, and the Participant irrevocably releases
the Company and the Employer from any such claim that may arise; if, notwithstanding the foregoing, any such claim is found by a
court of competent jurisdiction to have arisen, then, by signing this Agreement, the Participant will be deemed irrevocably to have
waived his or her entitlement to pursue such claim; and

(l)      in the event of termination of the Participant’s employment, Participant’s right to receive the Restricted Stock
Units and vest in the Restricted Stock Units under the Plan, if any, will terminate effective as of the date that the Participant is no
longer actively employed.

Country-Specific Language

Below please find country-specific language that applies to you if you are a citizen or resident of one of the following
countries: Belgium, Canada, France, Germany, India, Italy, Japan, South Korea, Spain, Sweden, Switzerland, Taiwan
and United Kingdom.

BELGIUM

11

Notifications

Tax Reporting Information. Participants are required to report any bank accounts opened and maintained outside Belgium on their
annual tax return.

CANADA

Terms and Conditions

Restricted Stock Units Settled in Shares Only  . Notwithstanding anything to the contrary in the Plan and/or the Agreement, you
understand that any Restricted Stock Units granted to you shall be paid in shares only and do not provide any right for you to receive
a cash payment.

The following provision will apply to residents of Quebec :

Language Consent . The parties to the Agreement have expressly required that the Agreement and all documents and notices relating
to the Agreement be drafted in English.

Les parties aux présentes ont expressément exigé que la présente convention et tous les documents et avis qui y sont afférents soient
rédigés en anglais.

Notifications

Additional Restrictions on Resale . In addition to the restrictions on resale and transfer noted in Plan materials, securities purchased
under  the  Plan  may  be  subject  to  certain  restrictions  on  resale  imposed  by  Canadian  provincial  securities  laws.  Participants  are
encouraged  to  seek  legal  advice  prior  to  any  resale  of  such  securities.  In  general,  Participants  resident  in  Canada  may  resell  their
securities in transactions carried out on exchanges outside of Canada.

Tax  Reporting  .  The  Tax  Act  and  the  regulations  thereunder  require  a  Canadian  resident  individual  (among  others)  to  file  an
information  return  disclosing  prescribed  information  where,  at  any  time  in  a  tax  year,  the  total  cost  amount  of  such  individual’s
“specified  foreign  property”  (which  includes  shares)  exceeds  Cdn.$100,000.  Participants  should  consult  their  own  tax  advisor
regarding this reporting requirement.

FRANCE

Notifications

Exchange Control Information . If a Participant imports or exports cash ( e.g., sale proceeds received under the Plan) with a value
equal to or exceeding €10,000 and does not use a financial institution to do so, Participant must submit a report to the customs and
excise  authorities.  If  Participant  maintains  a  foreign  bank  account,  Participant  is  required  to  report  such  account  to  the  French  tax
authorities when filing his/her annual tax return.

12

GERMANY

Notifications

Exchange  Control  Information.  Cross-border  payments  in  excess  of  €12,500  must  be  reported  monthly  to  the  German  Federal
Bank.  If  a  Participant  uses  a  German  bank  to  transfer  a  cross-border  payment  in  excess  of  €12,500  in  connection  with  the  sale  of
Shares acquired under the Plan, the bank will file the report for the Participant.

INDIA

Terms and Conditions

Repatriation of Proceeds . You understand that you must repatriate any proceeds from the sale of Shares acquired upon vesting of
the Restricted Stock Units to India and convert the proceeds into local currency within 90 days of receipt. You will receive a foreign
inward  remittance  certificate  (“FIRC”)  from  the  bank  where  you  deposit  the  foreign  currency.  You  should  maintain  the  FIRC  as
evidence of the repatriation of funds in the event the Reserve Bank of India or your employer requests proof of repatriation.

Notifications

Tax Information  .  The  amount  subject  to  tax  at  vesting  may  partially  be  dependent  upon  a  valuation  of  Shares  from  a  Merchant
Banker  in  India.  The  Company  has  no  responsibility  or  obligation  to  obtain  the  most  favorable  valuation  possible  nor  obtain
valuations more frequently than required under Indian tax law.

ITALY

Terms and Conditions

Data Privacy . In addition to the data privacy provision that is set forth above, by accepting the grant of Restricted Stock Units, you
also consent to the following additional data privacy-related terms:

I am aware that providing the Company and my employer with Data is necessary for participation in the Plan and that
my refusal to provide such Data may affect my ability to participate in the Plan. The Controller of personal data processing is
Ansys,  Inc.,  with  registered  offices  at  2600  Ansys  Drive,  Canonsburg,  PA  15317  and,  pursuant  to  D.lgs  196/2003,  its
representative in Italy is ANSYS Italia Srl with registered offices at via G. B. Pergolesi n. 25 20124 Milano MI Italy.

I understand that I may at any time exercise the rights acknowledged by Section 7 of Legislative Decree June 30, 2003

n.196, including, but not limited to, the right to access, delete, update,

13

request the rectification of my Data and cease, for legitimate reasons, the data processing. Furthermore, I am aware that my
Data will not be used for direct marketing purposes.

Notifications

Exchange Control Information . By September 30th of each year, the Participants are required to report on their annual tax return
(Form RW) any foreign investments (including proceeds from the sale of Shares acquired upon vesting) held outside of Italy if the
investment may give rise to income in Italy. However, deposits and bank accounts held outside of Italy only need to be disclosed if
the value of the assets exceeds €10,000 during any part of the tax year.

With respect to Shares received upon vesting of the Restricted Stock Units, the Participants must report (i) the value of the Shares at
the beginning of the year or on the day the Participant acquired the Shares, whichever is later; and (ii) the value of the Shares when
sold, or if the Participant still owns the Shares at the end of the year, the value of the Shares at the end of the year. The value to be
reported is the fair market value of the Shares on the applicable dates mentioned above.

JAPAN

Notifications

Exchange  Control  Information.  If  you  acquire  Shares  valued  at  more  than  ¥100,000,000  in  a  single  transaction,  you  must  file  a
Securities Acquisition Report with the Ministry of Finance through the Bank of Japan within 20 days of the acquisition of the Shares.

RUSSIA

Notifications

You acknowledge that the grant of RSUs, the Plan and all other materials you may receive regarding participation in the Plan do not
constitute an advertising or offering of securities in Russia.  The issuance of securities pursuant to the Plan has not and will not be
registered in Russia and therefore, the securities described in any Plan-related documents may not be used for offering or public
circulation in Russia. 

You further acknowledge that in no event will Shares that may be issued to you with respect to the RSUs be delivered to you in
Russia; all Shares issued to you with respect to the RSUs will be maintained on your behalf in the United States.

You are not permitted to sell Shares directly to a Russian legal entity or resident.

14

SOUTH KOREA

Notifications

Exchange Control Information. If you receive US$500,000 or more from the sale of underlying Shares, Korean exchange control
laws require you to repatriate the proceeds to South Korea within 18 months of sale.

SPAIN

Notifications

Exchange  Control  Information.  All  acquisitions  of  foreign  shares  by  Spanish  residents  must  comply  with  exchange  control
regulations in Spain. Because of foreign investment requirements, the acquisition of Shares upon vesting of the Restricted Stock Units
must  be  declared  for  statistical  purposes  to  the  Spanish  Direccion  General  de  Politica  Comercial  y  de  Inversiones  Extranjeras  (the
“DGPCIE”).  If  you  acquire  Shares  through  the  use  of  a  Spanish  financial  institution,  that  institution  will  automatically  make  the
declaration to the DGPCIE for you. Otherwise, you must make the declaration by filing a form with the DGPCIE.

If you import the Shares acquired upon vesting of the Restricted Stock Units into Spain, you must declare the importation of the share
certificates to the DGPCIE.

In addition, you must also file a declaration of the ownership of the Shares with the Directorate of Foreign Transactions each January
while the shares are owned. These filings are made on standard forms furnished by the Directorate of Foreign Transactions.

When you receive any foreign currency payments ( i.e., as a result of the sale of the Shares), you must inform the institution receiving
the payment of the basis upon which such payment is made and provide certain specific information ( e.g., name, address, and fiscal
identification  number;  the  name  and  corporate  domicile  of  the  company;  the  amount  of  the  payment;  the  type  of  foreign  currency
received; the country of origin; and the reason for the payment).

Tax Reporting . If you hold assets ( e.g., cash or shares in a bank or brokerage account) or rights outside Spain that exceed €50,000
per type of asset, you must file a Form 720 with the Spanish Tax Authorities by April 30 th of each year.

SWITZERLAND

Notifications

Securities  Law  Information  .  The  offer  of  the  Restricted  Stock  Units  is  considered  a  private  offering  in  Switzerland  and  is  not
subject to registration in Switzerland.

15

TAIWAN

Notifications

Exchange Control Information. Taiwan’s foreign exchange control regulations may have an impact on the grant and vesting of the
Restricted Stock Units as well as the repatriation of capital gains realized from the holding or sale of the underlying Shares. Under
current foreign exchange regulations, a Taiwanese resident can remit up to US $5 million (or an equivalent amount of other foreign
currencies) per year into or out of Taiwan without prior approval from the Taiwan Central Bank.

If the transaction amount is TWD500,000 or more in a single transaction, you must submit a Foreign Exchange Transaction Form. If
the transaction amount is US$500,000 or more in a single transaction, you must also provide supporting documentation to the
satisfaction of the remitting bank.

UNITED KINGDOM

Terms and Conditions

Purpose. This section is to modify those provisions of the Plan in order for awards made under the Plan, and
communications  concerning  those  awards,  to  be  exempt  from  provisions  of  the  United  Kingdom  Financial  Services  and
Markets Act 2000 (the "FSMA").

Application.  These  provisions  shall  be  used  solely  to  grant  awards  to  employees  of  the  Company  or  any
member  of  the  same  group  as  the  Company  resident  and  providing  services  in  the  United  Kingdom.  (The  term  "group"  in
relation to the Company shall bear the meaning given to such term in section 421 of the FSMA.)

Restricted  Delivery  of  Awards.  Payments  of  benefits  under  these  provisions  shall  be  made  only  in  Shares  or
such other securities  of the Company  that may arise from such Shares under the adjustment  provisions  of the Plan. For the
avoidance  of  doubt,  and  without  limitation,  no  cash  settlement  of  awards  (including  dividends  or  dividend  equivalent
payments in cash) shall be permissible.

Exercise  of  Restricted  Stock  Units/Vesting  of  Awards.  The  Administrator  may  specify,  in  its  discretion,  any

other conditions of exercise and/or vesting of awards that will be specified in the award agreement.

Restricted  Transfer  of  Rights.  The  persons  to  whom  rights  under  awards  may  be  assigned  or  transferred,
whether  by  will  or  the  laws  of  descent  and  distribution  or  any  transferability  of  awards  shall  be  limited  to  a  Participant's
children  and  step-children  under  the  age  of  eighteen,  spouses  and  surviving  spouses  and  civil  partners  and  civil  partners
(within the meaning of the United Kingdom Civil Partnerships Act 2004) and surviving partners.

Tax.  All awards  will  be  subject  to  tax  withholding  and all  references  to  "tax"  shall  be read  and construed  as
including, without limitation, United Kingdom income tax and primary class 1 (employee's) national insurance contributions
that the Participant's employer is liable to account for

16

and, if so agreed between the Company and the Participant,  secondary class 1 (employer's) national insurance contributions
that the Participant's employer is liable to account for.

17

Subsidiaries of the Registrant as of December 31, 2018

Jurisdiction of Incorporation

EXHIBIT 21.1

Fluent China Holdings Limited

ANSYS Belgium S.A.

ANSYS Canada Limited

2011767 Ontario Inc.

3DSim LLC

ANSYS France SAS

Esterel Technologies SAS

Genesis SAS

OPTIS Europe SAS

OPTIS SAS

ANSYS Germany GmbH

ANSYS medini Technologies AG

CEI GmbH

OPTIS GmbH

ANSYS Hong Kong Ltd.

OPTIS Hong Kong Limited

ANSYS Software Private Limited

ANSYS Software Ltd.

ANSYS Italia, S.r.l.

ANSYS Japan K.K.

CEI Software Co., Ltd.

OPTIS Japan K.K.

ANSYS Luxembourg Holding Company S.à.r.l.

ANSYS Luxembourg S.à.r.l.

OPTIS North America Inc.

Computational Engineering, Inc.

Fluent Software (Shanghai) Co., Limited

ANSYS-Fluent (Shanghai) Engineering Software Trading Co., Ltd.

Apache Science and Technology (Shanghai) Co. Ltd.

Apache Design Solutions, Inc.

OPTIS CN Limited

ANSYS OOO

ANSYS Singapore Pte. Ltd.

ANSYS Korea LLC

OPTIS Korea Co., Ltd

ANSYS Iberia S.L.

Barbados

Belgium

Canada

Canada

Delaware

France

France

France

France

France

Germany

Germany

Germany

Germany

Hong Kong

Hong Kong

India

Israel

Italy

Japan

Japan

Japan

Luxembourg

Luxembourg

Michigan

North Carolina

People's Republic of China

People's Republic of China

People's Republic of China

People's Republic of China

People's Republic of China

Russia

Singapore

South Korea

South Korea

Spain

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ANSYS Sweden AB

Sweden

 
 
ANSYS Switzerland GmbH

OPTIS World SA

Taiwan ANSYS Technologies Co.

ANSYS UK Limited

OPTIS Northern Europe Limited

OPTIS Pristine Limited

Switzerland

Switzerland

Taiwan

United Kingdom

United Kingdom

United Kingdom

 
 
 
 
 
 
 
 
 
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-08613, 333-69506, 333-110728, 333-137274, 333-152765, 333-174670, 333-
177030, 333-196393, 333-206111 and 333-212412 on Form S-8 of our reports dated February 28, 2019, relating to the consolidated financial statements and
financial statement schedule of ANSYS, Inc. and subsidiaries (the “Company”) (which report expresses an unqualified opinion and includes an explanatory
paragraph related to the Company’s change in method of accounting for revenue from contracts with customers in 2018 due to the adoption of the new revenue
standard), and the effectiveness of ANSYS, Inc. and subsidiaries’ internal control over financial reporting, appearing in this Annual Report on Form 10-K of
ANSYS, Inc. and subsidiaries for the year ended December 31, 2018.

EXHIBIT 23.1

/s/ Deloitte & Touche LLP
Pittsburgh, Pennsylvania
February 28, 2019

EXHIBIT 31.1

I, Ajei S. Gopal, certify that:

CHIEF EXECUTIVE OFFICER CERTIFICATION

1.

2.

3.

4.

I have reviewed this annual report on Form 10-K of ANSYS, Inc. (“ANSYS”);

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

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

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

a.

b.

c.

d.

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure
that material information relating to ANSYS, including its consolidated subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision,
to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in
accordance with generally accepted accounting principles;

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

Disclosed in this report any change in ANSYS’s internal control over financial reporting that occurred during ANSYS’s most recent fiscal quarter
(ANSYS’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, ANSYS’s
internal control over financial reporting; and

5.

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

a.

b.

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

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

Date:

February 28, 2019

/s/ Ajei S. Gopal

Ajei S. Gopal

President and Chief Executive Officer

 
 
 
 
EXHIBIT 31.2

I, Maria T. Shields, certify that:

CHIEF FINANCIAL OFFICER CERTIFICATION

1.

2.

3.

4.

I have reviewed this annual report on Form 10-K of ANSYS, Inc. (“ANSYS”);

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

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

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

a.

b.

c.

d.

Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure
that material information relating to ANSYS, including its consolidated subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;

Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision,
to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in
accordance with generally accepted accounting principles;

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

Disclosed in this report any change in ANSYS’s internal control over financial reporting that occurred during ANSYS’s most recent fiscal quarter
(ANSYS’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, ANSYS’s
internal control over financial reporting; and

5.

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

a.

b.

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

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

Date:

February 28, 2019

/s/ Maria T. Shields

Maria T. Shields

Chief Financial Officer

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

EXHIBIT 32.1

In connection with the Annual Report of ANSYS, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2018 as filed with the Securities and
Exchange Commission on the date hereof (the “Report”), I, Ajei S. Gopal, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1)

(2)

The Report fully complies with requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

This certification is provided solely pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not be
deemed to be part of the Report or filed for any purpose whatsoever.

/s/ Ajei S. Gopal

Ajei S. Gopal

President and Chief Executive Officer

February 28, 2019

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

EXHIBIT 32.2

In connection with the Annual Report of ANSYS, Inc. (the “Company”) on Form 10-K for the year ended December 31, 2018 as filed with the Securities and
Exchange Commission on the date hereof (the “Report”), I, Maria T. Shields, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350,
as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1)

(2)

The Report fully complies with requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

This certification is provided solely pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not be
deemed to be part of the Report or filed for any purpose whatsoever.

/s/ Maria T. Shields

Maria T. Shields

Chief Financial Officer

February 28, 2019