X0303 4 2008-11-07 0 0000707549 LAM RESEARCH CORP LRCX 0000923960 ELKUS RICHARD J JR 1 0 0 0 Stock Option (right to buy) 23.59 2008-11-07 4 D 0 12000 D 2011-12-14 Common Stock 12000 0 D Stock Option (right to buy) 24.69 2008-11-07 4 A 0 12000 A 2011-12-14 Common Stock 12000 0 D Stock Option (right to buy) 28.04 2008-11-07 4 D 0 18000 D 2009-12-14 Common Stock 18000 0 D Stock Option (right to buy) 28.4 2008-11-07 4 A 0 18000 A 2009-12-14 Common Stock 18000 0 D Stock Option (right to buy) 10.89 2008-11-07 4 D 0 24000 D 2009-12-18 Common Stock 24000 0 D Stock Option (right to buy) 12.48 2008-11-07 4 A 0 24000 A 2009-12-18 Common Stock 24000 81000 D The reporting person was granted an option, reflecting a measurement (grant) date of 12/14/01 and a stated exercise price of $23.59 per share, to purchase 12,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($24.69) on the correct measurement date. This option is fully vested and exercisable. The reporting person was granted an option, reflecting a measurement (grant) date of 12/14/99 and a stated exercise price of $28.04 per share, to purchase 18,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($28.40) on the correct measurement date. The reporting person was granted an option, reflecting a measurement (grant) date of 12/18/02 and a stated exercise price of $10.89 per share, to purchase 24,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($12.48) on the correct measurement date. Kym Hall by Power of Attorney 2008-11-12