X0303 4 2010-02-24 0 0000318996 KEY ENERGY SERVICES INC KEG 0001070651 MARCUM W PHILLIP 1301 MCKINNEY STREET SUITE 1800 HOUSTON TX 77010 1 0 0 0 Common Stock 2010-02-24 4 M 0 50000 8.50 A 132953 D Common Stock 2010-02-24 4 S 0 3700 10.30 D 129253 D Common Stock 2010-02-24 4 S 0 7500 10.31 D 121753 D Common Stock 2010-02-24 4 S 0 200 10.315 D 121553 D Common Stock 2010-02-24 4 S 0 3400 10.32 D 118153 D Common Stock 2010-02-24 4 S 0 3900 10.33 D 114253 D Common Stock 2010-02-24 4 S 0 2200 10.34 D 112053 D Common Stock 2010-02-24 4 S 0 1600 10.35 D 110453 D Common Stock 2010-02-24 4 S 0 1200 10.36 D 109253 D Common Stock 2010-02-24 4 S 0 6200 10.37 D 103053 D Common Stock 2010-02-24 4 S 0 2200 10.38 D 100853 D Common Stock 2010-02-24 4 S 0 5500 10.39 D 95353 D Common Stock 2010-02-24 4 S 0 3700 10.40 D 91653 D Common Stock 2010-02-24 4 S 0 300 10.41 D 91353 D Common Stock 2010-02-24 4 S 0 1100 10.42 D 90253 D Common Stock 2010-02-24 4 S 0 1200 10.43 D 89053 D Common Stock 2010-02-24 4 S 0 500 10.45 D 88553 D Common Stock 2010-02-24 4 S 0 100 10.46 D 88453 D Common Stock 2010-02-24 4 S 0 1000 10.47 D 87453 D Common Stock 2010-02-24 4 S 0 1800 10.48 D 85653 D Common Stock 2010-02-24 4 S 0 900 10.49 D 84753 D Common Stock 2010-02-24 4 S 0 200 10.50 D 84553 D Common Stock 2010-02-24 4 S 0 500 10.51 D 84053 D Common Stock 2010-02-24 4 S 0 800 10.52 D 83253 D Common Stock 2010-02-24 4 S 0 300 10.53 D 82953 D Stock option (right to buy) 8.50 2010-02-24 4 M 0 50000 0.00 D 2010-04-18 Common Stock 50000 0 D The options were granted under the Key Energy Group, Inc. 1997 Plan and previously vested in four equal annual installments on April 18, 2000, 2001, 2002 and 2003. By Robert B. Rapfogel, Attorney-in-fact for W. Phillip Marcum 2010-02-25