1 Page one of five pages. Exhibit Index is on Page four. - -------------------------------------------------------------------------------- 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): September 14, 1998 LAM RESEARCH CORPORATION ------------------------------------------------------ (Exact name of registrant as specified in its charter) DELAWARE 000-12933 94-2634797 -------- --------- ---------- (State or Other Jurisdiction (Commission File Number) (IRS Employer of Incorporation) Identification No.) 4650 CUSHING PARKWAY, FREMONT, CALIFORNIA 94538 ----------------------------------------------- (Address of Principal Executive Offices) (510) 659-0200 -------------- (Registrant's Telephone Number, Including Area Code) Not Applicable -------------- (Former Name or Former Address, if Changed Since Last Report.) 2 ITEM 5. OTHER EVENTS On September 14, 1998, Lam Research Corporation (the "Company") announced that the Board of Directors had authorized the repurchase, in management's discretion, of up to 368,000 shares of the Company's Common Stock from the public market or in private purchases. The press release states that the purchases, if any, will take place from September 15 through and including September 25, 1998, in conjunction with the Company's quarter end. Attached hereto as Exhibit 99.1 is the Company's press release dated September 14, 1998. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (c) Exhibits 99.1 Lam Research Corporation Press Release dated September 14, 1998. 2 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. DATED: September 15, 1998 LAM RESEARCH CORPORATION By: /s/ Richard H. Lovgren ----------------------------- Name: Richard H. Lovgren Title: Vice President, Secretary and General Counsel 3 4 EXHIBIT INDEX Page No. in Sequentially Exhibit No. Description Numbered Current Report - ----------- ----------- ------------------------ 99.1 Lam Research Corporation Press Release 5 dated September 14, 1998. 4