X0304 4 2012-01-28 0 0000318996 KEY ENERGY SERVICES INC KEG 0001466006 SMITH IKE C. 1301 MCKINNEY STREET SUITE 1800 HOUSTON TX 77010 0 1 0 0 VP and Controller Common Stock 2012-01-28 4 F 0 1625 14.74 D 29299 D Payment of tax liability by delivery of stock incident to the vesting on January 28, 2012 of 5,301 shares of restricted stock. Vesting price is calculated based on the average closing price of common stock on January 27, 2012 and the opening price on January 30, 2012, pursuant to the Key Energy Services, Inc. 2009 Equity and Cash Incentive Plan (the "2009 Plan"). Includes 20,737 unvested shares of restricted stock granted under the Key Energy Services, Inc. 2007 Equity and Cash Incentive Plan and the 2009 Plan. By Joshua K. Hancock, Attorney-in-fact for Ike C. Smith 2012-01-31