X0304 4 2011-08-08 0 0001002388 ACCELRYS, INC. ACCL 0001324164 MERSTEN DAVID R 10188 TELESIS COURT SUITE 100 SAN DIEGO X1 92121 UNITED STATES 0 1 0 0 SVP and General Counsel Common stock 2011-08-08 4 A 0 7142 A 7142 D Common stock 2011-08-08 4 F 0 2620 D 4522 D Restricted stock units granted on 8/7/2008 converted to common stock upon vesting on 8/8/2011. Not applicable to this transaction. Shares tendered for payment of minimum tax liability upon vesting of restricted stock units on 8/8/2011. Shannon Catalano, Attorney in Fact 2011-08-10