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Explanation of Responses: Dr. Hand exercised 540 shares of stock options at $5.00 per share. /s/ HAROLD H. HAND 02/07/03 ------------------------------- ------------------ **Signature of Reporting Person Date ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. Page 2 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS, that the undersigned constitutes and appoints Steven A. Rosso and Carmela D. Johnson, and each of them, the undersigned's true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the name, place and stead of the undersigned, in any and all capacities, to: 1. execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of Pacific State Bancorp. (the "Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended, 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 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. The undersigned also agrees to indemnify and hold harmless the Company and the attorneys-in-fact against any losses, claims, damages or liabilities (or actions in respect thereof) that arise out of or are based upon any untrue statement or omission of necessary fact in the information provided by the undersigned to the attorneys-in-fact for purposes of executing, acknowledging, delivering or filing Forms 3, 4, or 5, or any amendments or any successor forms thereto, or any form or forms adopted by the Securities and Exchange Commission in lieu thereof or in addition thereto, and agrees to reimburse the Company and the attorneys-in-fact herein for any legal or other expenses reasonably incurred in connection with investigating or defending against any such loss, claim, damage, liability or action. 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 foregoing attorneys-in-fact. IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 17th day of October, 2002. /s/ HAROLD HAND --------------- Signature Dr. Harold Hand --------------- Print Name

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