X0303 4 2010-07-16 1 0001123871 ARENA RESOURCES INC ARD 0001354750 Petrelli Anthony Benedict 6250 RAIN DANCE TRAIL LITTLETON CO 80125 1 0 0 0 Common Stock 2010-07-16 4 D 0 27000 D 0 D Stock Option 18.675 2010-07-16 4 D 0 100000 D 2012-07-22 Common Stock 100000 0 D Stock Option 37.85 2010-07-16 4 D 0 25000 D 2013-06-17 Common Stock 25000 0 D Disposed of pursuant to merger agreement among the issuer, SandRidge Energy, Inc. and Steel Subsidiary Corporation in exchange for 128,981 shares of SandRidge common stock and other merger consideration, with an imputed value of $35.93 per share. This option was vested and deemed exercised in exchange for 262,652 shares of SandRidge Energy, Inc. common stock pursuant to merger agreement among the issuer, SandRidge and Steel Subsidiary Corporation. This "out of the money" option was cancelled pursuant to the merger agreement among the issuer, SandRidge Energy, Inc. and Steel Subsidiary Corporation. Anthony B. Petrelli 2010-07-16