X0306 4 2016-01-30 0 0000318996 KEY ENERGY SERVICES INC KEG 0001323199 Clarke Kim B 1301 MCKINNEY STREET SUITE 1800 HOUSTON TX 77010 0 1 0 0 SVP, Admin and Chf People Off Common Stock 2016-01-30 4 F 0 11765 0.32 D 610739 D Common Stock 2016-01-30 4 F 0 19249 0.32 D 591490 D Payment of tax liability by delivery of stock incident to the vesting on January 30, 2016 of 36,031 shares of restricted stock granted on January 30, 2014. Vesting price is based on the average of the closing price of common stock on the trading date immediately preceding the vesting date and the opening price of the stock on the first trading day following the vesting date, pursuant to the Key Energy Services, Inc. 2014 Equity and Cash Incentive Plan (the "2014 Plan") Includes 241,960 unvested shares of restricted stock granted under the 2014 Plan. Payment of tax liability by delivery of stock incident to the vesting on January 30, 2016 of 58,953 shares of restricted stock granted on January 30, 2015. Includes 183,007 unvested shares of restricted stock granted under the 2014 Plan. By Katherine I. Hargis, Attorney-in-fact for Kimberly B. Clarke 2016-02-02