X0305 4 2012-06-13 0001109189 BASIC ENERGY SERVICES INC BAS 0001008023 WEBSTER STEVEN A 500 DALLAS STREET SUITE 2300 HOUSTON TX 77002 1 0 0 0 Common Stock 2012-06-13 4 P 0 75000 9.4983 A 841070 D Common Stock 2012-06-14 4 P 0 1200 9.25 A 842270 D Reflects the weighted average purchase price for the common stock. These shares were purchased in multiple transactions at prices ranging from $9.41 to $9.64, inclusive. The reporting person will provide upon request by the SEC staff, the issuer or any security holder of the issuer, full information regarding the number of shares purchased at each separate price. /s/ Cody Bissett, Attorney-in-Fact 2012-06-14