---------------------------------------------- UNITED STATES 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 Date of Report (Date of earliest event reported): August 27, 1999 PMC-Sierra, Inc. (Exact name of registrant as specified in its charter) Delaware 0-19084 94-2925073 - ---------------------- ---------------------- ------------------------------- State of incorporation Commission File Number IRS Employer Identification No. 105-8555 BAXTER PLACE BURNABY, BRITISH COLUMBIA, V5A 4V7, CANADA (address of principal executive offices) Company's telephone number, including area code: (604) 415-6000 ----------------------------------------------- ITEM 2. ACQUISITION OR DISPOSITION OF ASSETS On August 27, 1999, Registrant acquired Abrizio Inc., a California corporation, ("Abrizio") through a merger (the "Merger") of Pyrenees Acquisition Corporation, a Delaware corporation and a wholly-owned subsidiary of Registrant ("Sub"), with and into Abrizio pursuant to an Agreement and Plan of Reorganization dated August 24, 1999 among Abrizio, Registrant, and Sub. Abrizio is a privately held, fabless semiconductor company located in Mountain View, California. It specializes in broadband switch chip fabrics used in core ATM switches, digital cross-connects, and terabit routers. Registrant purchased Abrizio in exchange for approximately 4,352,000 shares in Registrant's stock, warrants and options. The transaction is effective and will be accounted as a pooling-of-interests. Pursuant to the requirements of the Securities Exchange Act of 1934, Registrant has duly caused this report to be signed on its behalf by the undersigned duly authorized person. Date: September 2, 1999 PMC-SIERRA, INC. /s/ Robert L. Bailey ------------------------------------- Robert L. Bailey President and Chief Executive Officer