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        <Explanation>MARCELLUS SHALE COALITION (MSC) FOLLOWS THE FASB CODIFICATION TOPIC INCOME TAXES. THE TOPIC PRESCRIBES A MINIMUM RECOGNITION THRESHOLD AND MEASUREMENT METHODOLOGY THAT A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN IS REQUIRED TO MEET BEFORE BEING RECOGNIZED IN FINANCIAL STATEMENTS. MSC'S CONSOLIDATED STATEMENT OF FINANCIAL POSITION AT DECEMBER 31, 2012 AND 2011 DOES NOT INCLUDE ANY LIABILITIES ASSOCIATED WITH UNCERTAIN TAX POSITIONS; FURTHER, MSC HAS NO UNRECOGNIZED TAX BENEFITS. MSC BELIEVES THAT IT IS NO LONGER SUBJECT TO EXAMINATION OF ITS TAX RETURNS FOR YEARS BEFORE 2009.</Explanation>
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        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
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      <Form990ScheduleJPartII>
        <NamePerson>ANDREW PATTERSON</NamePerson>
        <Title>VP REGULATORY AFFAIRS</Title>
        <BaseCompensationFilingOrg>101500</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>34800</BonusFilingOrg>
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      <Form990ScheduleJPartII>
        <NamePerson>AMBER BENZON</NamePerson>
        <Title>DIRECTOR GOVERNMENT AFFAIRS</Title>
        <BaseCompensationFilingOrg>130000</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>9500</BonusFilingOrg>
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    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 2</ReturnReference>
        <Explanation>IN THE OIL AND GAS INDUSTRY, IT IS LIKELY THAT BUSINESS RELATIONSHIPS EXIST BECAUSE DIRECTORS OF THE ORGANIZATION MAY SIT ON MULTIPLE MEMBER COMPANIES OWNED OR CONTROLLED BY THE SAME ENTITY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 6</ReturnReference>
        <Explanation>THE ORGANIZATION HAS THREE CLASSES OF MEMBERSHIP: "EXECUTIVE BOARD MEMBERS", "BOARD MEMBERS" AND "ASSOCIATE MEMBERS".</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>THE MEMBERS HOLD ONLY THE RIGHTS SPECIFIED IN THE BYLAWS AND NO MEMBER, WHETHER EXECUTIVE BOARD, BOARD MEMBER OR ASSOCIATE, HAS THE RIGHTS OF A MEMBER UNDER THE PENNSYLVANIA NONPROFIT CORPORATION LAW OF 1988, AS AMENDED. EACH EXECUTIVE BOARD AND BOARD MEMBER HAS THE RIGHT TO APPOINT A DIRECTOR, AS SET FORTH IN SECTION 3.3 OF THE BYLAWS, AND THAT DIRECTOR OR HIS/HER DESIGNEE FROM WITHIN HIS/HER COMPANY IS ELIGIBLE TO VOTE ON MATTERS PUT BEFORE THE COALITION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>FORM 990 WAS REVIEWED FOR FILING BY THE PRESIDENT, TREASURER OF THE BOARD, VICE PRESIDENT OF FINANCE AND ADMINISTRATION, AND THE AUDIT COMMITTEE. A COMPLETE COPY OF FORM 990 WAS PROVIDED TO THE BOARD PRIOR TO FILING.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>COVERED PERSONS ARE REQUIRED TO DISCLOSE ALL ACTUAL AND POTENTIAL CONFLICTS. IF A CONFLICT EXISTS, THE INDIVIDUAL SHALL RECUSE HIM/HERSELF FROM PARTICIPATING IN ANY PROCEEDING OR VOTING ON ANY TRANSACTION OR ARRANGEMENT INVOLVING THE COALITION IN WHICH HE OR SHE HAS A POTENTIAL OR ACTUAL CONFLICT OF INTEREST, AND SHALL NOT BE PRESENT WHEN ANY SUCH VOTE IS TAKEN. COVERED PERSONS ARE REQUIRED TO DISCLOSE FACTS OF EVERY ACTUAL OR POTENTIAL CONFLICT ANNUALLY THROUGH THE ANNUAL CONFLICT OF INTEREST QUESTIONNAIRE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>A COMPENSATION STUDY WAS CONDUCTED BY A THIRD PARTY REGARDING OFFICER COMPENSATION. ALSO, THE PERSONNEL COMPENSATION COMMITTEE REVIEWED AND APPROVED ALL OFFICER AND TOP MANAGEMENT COMPENSATION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE ORGANIZATION'S FINANCIAL DOCUMENTS ARE MADE AVAILABLE FOR PUBLIC INSPECTION UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>OVERSIGHT OF FINANCIAL STATEMENT AUDIT</Identifier>
        <Explanation>THE ORGANIZATION'S FINANCIAL STATEMENTS ARE AUDITED BY AN INDEPENDENT ACCOUNTING FIRM. IN ADDITION, THE ORGANIZATION HAS A COMMITTEE THAT ASSUMES THE RESPONSIBILITY FOR OVERSIGHT OF THE AUDIT OF ITS FINANCIAL STATEMENTS AND ITS SELECTION OF THE INDEPENDENT ACCOUNTANT. THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>MSC FOUNDATION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>24 SUMMIT PARK DRIVE 2ND FL</AddressLine1>
          <City>PITTSBURGH</City>
          <State>PA</State>
          <ZIPCode>15275</ZIPCode>
        </AddressUS>
        <EIN>460639843</EIN>
        <PrimaryActivities>SUPPORTING ORGANIZATION OF MARCELLUS SHALE COALITION</PrimaryActivities>
        <LegalDomicileState>PA</LegalDomicileState>
        <ExemptCodeSection>PENDING</ExemptCodeSection>
        <PublicCharityStatus>LINE 11A, I</PublicCharityStatus>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>0</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <DividendsRelatedOrganization>0</DividendsRelatedOrganization>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>1</SharingOfFacilities>
      <SharingOfPaidEmployees>1</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>0</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>1</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>MSC FOUNDATION</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>R</TransactionType>
        <AmountInvolved>2250000</AmountInvolved>
        <MethodOfAmtDetermination>FMV</MethodOfAmtDetermination>
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