MSC.Software announced today that all of its outstanding 2 1/2% Senior Subordinated Convertible Notes due 2008 had been converted to common stock. As of the redemption date of June 16, 2006, 100% of the outstanding $100 million of convertible notes have been converted into 11,743,957 shares of MSC common stock. The total amount of MSC common shares currently outstanding, including the shares issued in conversion, is 42,687,808 shares.