LAWSUIT

MICROSOFT AND SUN MICROSYSTEMS ENTER BROAD COOPERATION AGREEMENT; SETTLE OUTSTANDING LITIGATION

Ten Year Agreement Sets New Framework for Industry Cooperation; Reduces Cost and Complexity for Customers

SAN FRANCISCO, CA - April 2, 2004 - Microsoft Corporation (NASDAQ: MSFT) and Sun Microsystems, Inc., (NASDAQ: SUNW) today announced that they have entered into a broad technology collaboration arrangement to enable their products to work better together and to settle all pending litigation between the two companies. The companies have also entered into agreements on patents and other issues.

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Court Rulings and Orders Appellate Court Opinion re: Preliminary Injunctions - PDF (~ 140KB) - June 26, 2003 Appellate Court Order re: Motions for Stay - PDF (~ 40KB) - February 4, 2003 Court Order re: Preliminary Injunctions - PDF (~276KB) - January 21, 2003 We understand that the Court's official filing is difficult to read on screen. Therefore, we have provided a transcription of the order. Please note, this document is not the official order. Preliminary Injunction Ruling - PDF (~1.95MB) - December 23, 2002   Sun Court Filings Appellate Memorandum - PDF (~159KB) - April 14, 2003 Appellate Briefing - PDF (~223KB) - March 7, 2003 Appellate Briefing - PDF (~1.24MB) - January 28, 2003 Amended Complaint - PDF (~5MB) - August 26, 2002 Richard Green Declaration, supplemental - PDF (~1MB) - March 27, 2002 Motion for Preliminary Injunction - PDF (~3MB) - March 8, 2002

Sun Statements Sun Statement re: Appellate Court Opinion – January 15, 2004 Sun Statement re: Appellate Court Opinion - June 26, 2003 Sun Statement re: Appellate Brief - March 7, 2003 Sun Statement re: Microsoft's Counterclaims - February 21, 2003 Sun Statement re: Motions for Stay Order - February 3, 2003 Sun Statement re: Preliminary Injunction Order - January 21, 2003 Sun Wins Motions for Preliminary Injunctions - December 23, 2002 Press Release Announcing Anti-Trust Suit - March 8, 2002   Summary and FAQs Brief Summary of the Lawsuit Updated January 21, 2003 Frequently Asked Questions - March 8, 2002

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