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8-K

EX-2.1

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30 Jun 11

Acquisition Broadens Capabilities as a Global Innovator of Simulation Software

12:00am

8-K

EX-10.1

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31 Jul 08

Ansys, Inc. Announces Successful Completion of

12:00am

8-K

EX-10.1

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5 May 06

Entry into a Material Definitive Agreement

12:00am

8-K

EX-10.3

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5 May 06

Entry into a Material Definitive Agreement

12:00am

8-K

EX-2.1

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17 Feb 06

Entry into a Material Definitive Agreement

12:00am