POWER OF ATTORNEY 
       The undersigned hereby constitutes and appoints each of Charmaine Mesina 
and Mary Zeigler, signing singly, the undersigned's true and lawful 
attorney-in-fact to:
                (1) execute for and on behalf of the undersigned, in the 
undersigned's capacity as a director and officer of Applied Materials, Inc. (the 
"Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities 
Exchange Act of 1934 and the rules thereunder; 
                (2) do and perform any and all acts for and on behalf of the 
undersigned which may be necessary or desirable to complete and execute any such 
Form 3, 4 or 5, complete and execute any amendment(s) thereto, and timely file 
such form with the United States Securities and Exchange Commission and any 
stock exchange or similar authority; and 
                (3) take any other action of any type whatsoever in connection 
with the foregoing which, in the opinion of such attorney-in-fact, may be of 
benefit to, in the best interest of, or legally required by, the undersigned, it 
being understood that the documents executed by such attorney-in-fact on behalf 
of the undersigned pursuant to this Power of Attorney shall be in such form and 
shall contain such terms and conditions as such attorney-in-fact may approve in 
such attorney-in-fact's discretion. 
                The undersigned hereby grants to each such attorney-in-fact full 
power and authority to do and perform any and every act and thing whatsoever 
requisite, necessary or proper to be done in the exercise of any of the rights 
and powers herein granted, as fully to all intents and purposes as the 
undersigned might or could do if personally present, with full power of 
substitution or revocation, hereby ratifying and confirming all that such 
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall 
lawfully do or cause to be done by virtue of this power of attorney and the 
rights and powers herein granted. The undersigned acknowledges that the 
foregoing attorneys-in fact, in serving in such capacity at the request of the 
undersigned, are not assuming, nor is the Company assuming, any of the 
undersigned's responsibilities to comply with Section 16 of the Securities 
Exchange Act of 1934. 
                This Power of Attorney shall remain in full force and effect 
until the undersigned is no longer required to file Forms 3, 4 and 5 with 
respect to the undersigned's holdings of and transactions in securities issued 
by the Company, unless earlier revoked by the undersigned in a signed writing 
delivered to the Company's Secretary. 
                IN WITNESS WHEREOF, the undersigned has caused this Power of 
Attorney to be executed as of this 24th day of October, 2002. 
                                                         /s/ Stan Shih
                                                         _____________________
                                                         Stan Shih
SHIH STAN 4
