X0303 4 2009-08-31 0 0000006951 APPLIED MATERIALS INC /DE AMAT 0001466931 Humiston Mary E C/O APPLIED MATERIALS, INC. P.O. BOX 58039, 3050 BOWERS AV, M/S 2023 SANTA CLARA CA 95054 0 1 0 0 Corp. VP, Global HR Common Stock 105721 D Amount reported and this Form 4 filed solely to reflect an increase of 190 shares from a periodic payroll acquisition under Employees' Stock Purchase Plan that are exempt under Rule 16a-10 and Rule 16b-3. Number of shares includes 97,500 performance shares (restricted stock units) previously reported that in the future will be converted on a one-for-one basis into shares of Applied Materials, Inc. common stock upon vesting, which vesting is scheduled to occur as follows: (a) 37,500 performance shares are scheduled to vest in three equal annual installments beginning 7/1/2010 and (b) 60,000 performance shares are scheduled to vest in four equal annual installments beginning 7/1/2010 (all vesting is subject to continued employment through each vest date). /s/ Charmaine Mesina, Attorney-in-Fact 2009-10-22