May 25, 2007 - Record Date
If you own shares on the record date, you will be entitled to receive additional shares as a result of the stock split.
June 4, 2007 - Distribution (Payable) Date
This is the date when, as of the close of ANSYS' trading on the NASDAQ Exchange, Mellon Investor Services, ANSYS' stock transfer agent, will adjust stockholders' holdings to reflect the stock split.
June 5, 2007 - Ex-Distribution (Payable) Date
This is the date when ANSYS common stock will begin trading at its new split-adjusted price on NASDAQ.