Amendment To Assign Agreement

ASSIGNMENT and AMENDMENT AGREEMENT (`agreement`), dated March 20, 2008 and under the assignors on the summoner calendar (the assignors), ADH Ventures, LLC (the “agent”) and Analytical Surveys, Inc., a Colorado company (the “company”). THIS ASSIGNMENT AND AMENDMENT AGREEMENT (this “attribution and modification”), dated July 18, 2003, is owned by CNX FUNDING CORPORATION (the “seller”), BEETHOVEN FUNDING CORPORATION (“Beethoven”), as agent, DRESDNER BANK AG, NEW YORK BRANCH (“Dresdner”), as Conduit Agent for Beethoven (the “Beethoven Conduit Agent”), MARKET STREET FUNDING CORPORATION (“Marktstrasse”), as an agent This ASSIGNMENT AND AMENDMENT AGREEMENT (this agreement), which has since been in effect between Quest Resource Corporation (“QRC”), PostRock Energy Corporation (“PostRock”) and David Lawler (“Employee”), in effect at the conclusion of the agreement and proposed merger of July 2, 2009 between PostRock, QRC, Quest Midstream Partners, L.P., Quest Energy GP, LLC, , LLC and Quest Midstream Acquisition, LLC, as amended (the effective date) (the combined transactions, the “recombination”), is an amendment and assignment of this employment contract by and between QRC and Employee of April 10, 2007 and later (the “employment contract”). . This second LIEN AGENCY ASSIGNMENT AGREEMENT, dated November 30, 2009 (this “agreement”), by and under, MORGAN STANLEY SENIOR FUNDING, INC. (“MSSF”), MORGAN STANLEY – CO. INCORPORATED (“MS-Co,” and with MSSF, the “Stanley Entities Morgan”), the LENDERS part on this subject (the “Required Lenders”) and the Bank of New York Mellon (“BNY”) Inc.