1 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 December 14, 2000 --------------------------------- (Date of earliest event reported) ALTERA CORPORATION ------------------------------------------------------ (Exact name of Registrant as specified in its charter) Delaware 0-16617 77-0016691 - ---------------------------- --------------------- -------------------------------- (State or Other Jurisdiction (Commission File No.) (IRS Employer Identification No.) of Incorporation) 101 Innovation Drive, San Jose, California 95134 ---------------------------------------------------------- (Address of principal executive offices, including zip code) (408) 544-7000 ---------------------------------------------------- (Registrant's telephone number, including area code) 2 Item 5. Other Events. On December 14, 2000, Altera Corporation (referred to as "we" and "our") announced that we entered into an agreement with a subsidiary of Taiwan Semiconductor Manufacturing Company, or TSMC, to sell our 23% equity ownership interest in WaferTech, LLC to TSMC for $350 million in cash. For more information, please see our agreement with TSMC and our press release attached as Exhibits 2.1 and 99.1, respectively. Item 7. Financial Statements, Pro Forma Financial Information and Exhibits. (c) Exhibits. 2.1 Assignment and Assumption Agreement dated as of November 15, 2000 between Altera Corporation and TSMC Development, Inc. 99.1 Press Release dated December 14, 2000. 2 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ALTERA CORPORATION By: /s/ Nathan Sarkisian ---------------------------------------- Nathan Sarkisian, Senior Vice President and Chief Financial Officer Date: December 14, 2000 3 4 EXHIBIT INDEX 2.1 Assignment and Assumption Agreement dated as of November 15, 2000 between Altera Corporation and TSMC Development, Inc. 99.1 Press Release dated December 14, 2000. 4