Lam Comments on Stock Option Grant Practices
May 23, 2006

FREMONT, Calif., May 23, 2006—Lam Research Corporation (NASDAQ: LRCX) today announced its response to investors' questions regarding option grant practices. Lam's policy and practice have been to grant options to the CEO after the approval of the independent board members at regularly scheduled board meetings. Grants to the other named executives are made after the approval of the Compensation Committee at its regularly scheduled meetings.

Lam Research Corporation is a major supplier of wafer fabrication equipment and services to the world's semiconductor industry. Lam's common stock trades on The NASDAQ National Market® under the symbol LRCX. Lam is a NASDAQ-100® company. The Company's World Wide Web address is

Lam Research Corporation Contact:
Kathleen Bela, Investor Relations, phone: 510/572-4566, e-mail: