X0303 4 2010-02-08 0001125057 ENCORE ACQUISITION CO EAC 0001253929 OLLE THOMAS 777 MAIN STREET SUITE 1400 FORT WORTH TX 76102 0 1 0 0 VP, Strategic Solutions Common Stock 2010-02-08 4 A 0 9276 0 A 54100 D Common Stock 2010-02-09 4 F 0 424 49.20 D 53676 D /s/ Robert C. Reeves (attorney-in-fact) 2010-02-11