X0201 3 2003-09-17 0 0001001233 SANGAMO BIOSCIENCES INC SGMO 0001264949 ZANTE GREG C/O SANGAMO BIOSCIENCES, INC STE-A-100 POINT RICHMOND TECH, 501 CANAL BLVD, RICHMOND CA 94804 0 1 0 0 Sr Dir., Finance and Admin. Stock Options (Right to Buy) 3.00 2013-08-17 Common Stock 20000 D Option is immediately exercisable, subject to repurchase of the option shares by the Issuer at the exercise price prior to full vesting. the repurchase right lapses, and the options vest, as follows: (i) 25% of the option shares on August 18, 2004, and (ii) the remaining shares vest in a series of successive monthly installments over the remaining 36 months thereafter. /s/ Greg Zante 2003-09-29