X0201 42003-08-270 0000932064 RSA SECURITY INC/DE/ RSAS 0001206590 SCHNELL SCOTT T C/O RSA SECURITY INC. 174 MIDDLESEX TURNPIKE BEDFORD MA 01730 0100SVP, Sales, Mktg & Prof. Serv.Common Stock2003-08-274M0290184.42A5178DCommon Stock2003-08-274S02901811.6711D5178DStock Option (Right to Buy)4.422003-08-274M0290180D2002-06-182009-06-18Common Stock2901886521DThis stock option vests with respect to 25% of its shares on June 18, 2002 and with respect to the remaining shares in 12 equal installments at the end of each three-month period thereafter. No installment is exercisable after the fourth anniversary of the vesting date of such installment./s/Kathryn L. Leach (Signed under Power of Attorney dated August 18, 2003)2003-08-27