X0202 4 2008-02-14 0001122304 AETNA INC /PA/ AET 0001185243 WILLIAMS RONALD A AETNA INC. 151 FARMINGTON AVENUE HARTFORD CT 06156 1 1 0 0 Chairman and CEO Restricted Stock Unit 2008-02-14 4 F 0 1210.37 49.22 D Common Stock 1210.37 147831.98 D 1 for 1 Represents tax withholding on vesting of previously reported Restricted Stock Units (RSUs). Upon vesting units were automatically deferred net of taxes to deferred stock unit account; dividend equivalents are reinvested. 97,747.74 represents vested deferred stock units, 50,084.24 represents remaining unvested RSUs. RSUs were previously granted under the Aetna 2000 Stock Incentive Plan. Ronald A. Williams by Judith H. Jones, Attorney -in-fact 2008-02-15