© 2010 ANSYS, Inc. All rights reserved. 2 ANSYS, Inc. Proprietary Certain statements contained in this presentation regarding matters that are not historical facts, including statements regarding the parties’ ability to consummate the proposed transaction and timing thereof, expectations that the proposed acquisition, if completed, should be modestly accretive to non-GAAP earnings per share in the first full year of combined operations and expectations regarding an increase in non-GAAP combined revenue growth and a continuation of solid non-GAAP operating margins and cash flows from operations following the close of this transaction, statements regarding the complementary and efficient integration of ANSYS and Apache and their ability to minimize disruptions from the transaction across businesses, and statements regarding the impact of the pending acquisition, the combined company’s ability to accelerate development and delivery of new, innovative, world class and customer-driven engineering simulation products and solutions to the marketplace, to lower design and engineering costs for customers and to drive energy-efficient electronic product development and the ability of the combined company to lead the evolution and innovation of engineering simulation in the 21 st century, and the impact of the transaction on employees and our operational plans, are "forward-looking" statements (as defined in the Private Securities Litigation Reform Act of 1995). Because such statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. All forward-looking statements in this presentation are subject to risks and uncertainties. These include the risk that the acquisition of Apache may not be consummated, the risk that the business of ANSYS and Apache may not be combined successfully or that such combination may take longer or cost more to accomplish than expected, and the risk that operating costs, customer loss and business disruption following the acquisition of Apache may be greater than expected. Additional risks include the risk of a general economic downturn in one or more of the combined company’s primary geographic regions, the risk that the assumptions underlying ANSYS' anticipated revenues and expenditures will change or prove inaccurate, the risk that ANSYS has overestimated its ability to maintain growth and profitability and control costs, uncertainties regarding the demand for the combined company’s products and services in future periods, the risk that ANSYS has overestimated the strength of the demand among its customers for its products, risks of problems arising from customer contract cancellations, uncertainties regarding customer acceptance of new products, the risk that the combined company’s operating results will be adversely affected by possible delays in developing, completing or shipping new or enhanced products, risks that enhancements to the combined company’s products may not produce anticipated sales, uncertainties regarding fluctuations in quarterly results, including uncertainties regarding the timing of orders from significant customers and other factors that are detailed from time to time in reports filed by ANSYS, Inc. with the Securities and Exchange Commission, including the Annual Reports on Form 10-K, the quarterly reports on Form 10-Q, current reports on Form 8-K and other documents ANSYS has filed. ANSYS and Apache undertake no obligation to publicly update or revise any forward-looking statements, whether changes occur as a result of new information or future events after the date they were made. Safe Harbor Statement | 
