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      <Desc>ON DECEMBER 19, 2001, THE MIDCONTINENT INDEPENDENT SYSTEM OPERATOR, INC. (MISO OR THE COMPANY) BECAME THE NATION'S FIRST REGIONAL TRANSMISSION ORGANIZATION (RTO) APPROVED BY THE FEDERAL ENERGY REGULATORY COMMISSION (THE FERC). AS AN RTO, MISO PROVIDES TRANSMISSION SERVICE ON BEHALF OF ITS MEMBERS WHO OWN TRANSMISSION ASSETS. IN ADDITION, MISO IS A NORTH AMERICAN ELECTRIC RELIABILITY CORPORATION (NERC) CERTIFIED RELIABILITY COORDINATOR. IN THAT CAPACITY, MISO MONITORS THE FLOW OF ELECTRICITY OVER THE TRANSMISSION SYSTEMS OF ITS MEMBERS WHO OWN TRANSMISSION ASSETS. MISO WAS INCORPORATED AS A DELAWARE NON-STOCK, NONPROFIT CORPORATION IN MARCH 1998. THE COMPANY IS GOVERNED BY AN INDEPENDENT BOARD OF DIRECTORS. MEMBERSHIP IN MISO IS OPEN TO OWNERS OF ELECTRIC TRANSMISSION FACILITIES AS WELL AS OTHER PARTICIPANTS IN THE ELECTRIC ENERGY MARKET. THIRTY TRANSMISSION OWNERS WITH MORE THAN 65,800 MILES OF TRANSMISSION LINES, 201,390 MEGAWATTS OF ELECTRIC GENERATION, AND APPROXIMATELY $20.0 BILLION IN INSTALLED GROSS TRANSMISSION ASSETS ARE CURRENTLY PARTICIPATINg IN MISO. ON DECEMBER 15, 2001, THE COMPANY BEGAN PROVIDING RELIABILITY COORDINATION SERVICES TO THE TRANSMISSION-OWNING MEMBERS OF MISO AND THEIR CUSTOMERS. ON THE SAME DATE, MISO ALSO BEGAN PROVIDING OPERATIONS PLANNING, GENERATION INTERCONNECTION, MAINTENANCE COORDINATION, LONG-TERM REGIONAL PLANNING, MARKET MONITORING, AND DISPUTE RESOLUTION SERVICES. THE COMPANY COMMENCED SUBSTANTIALLY ALL OPERATIONS ON FEBRUARY 1, 2002, THE DATE MISO BEGAN PROVIDING REGIONAL TRANSMISSION SERVICE UNDER ITS FERC-ACCEPTED OPEN ACCESS TRANSMISSION AND ENERGY MARKETS TARIFF (THE TARIFF). ON APRIL 1, 2005, MISO FORMALLY BEGAN OPERATING ITS MARKET-BASED, CONGESTION MANAGEMENT SYSTEM WHICH FEATURES THE FOLLOWING: O DAY-AHEAD ENERGY MARKET O REAL-TIME ENERGY MARKET O FINANCIAL TRANSMISSION RIGHTS (FTR) MARKET THE DAY-AHEAD AND REAL-TIME ENERGY MARKETS ARE DESIGNED TO RELIABLY MAKE THE MOST EFFICIENT USE OF ALL GENERATION AND TRANSMISSION RESOURCES WITHIN THE REGION BASED ON BIDS AND OFFERS SUBMITTED BY MARKET PARTICIPANTS. THE DAY-AHEAD AND REAL-TIME ENERGY MARKETS PRICE TRANSMISSION SYSTEM CONGESTION THROUGH THE USE OF LOCATIONAL MARGINAL PRICING (LMP) ALGORITHMS. FTRS PROVIDE A MEANS OF HEDGING LMP-BASED CONGESTION COSTS. ON JANUARY 6, 2009, MISO BEGAN OPERATING A MARKET FOR ANCILLARY SERVICES. THE ANCILLARY SERVICES MARKET INTEGRATES THE PROCUREMENT AND USE OF REGULATION AND CONTINGENCY RESERVES WITH THE EXISTING REAL-TIME ENERGY MARKET. MISO ALSO BECAME AN NERC-CERTIFIED BALANCING AUTHORITY ON JANUARY 6, 2009. On December 1, 2012, MISO assumed the role of the independent coordinator of transmission (ICT) for the Entergy system from Southwest Power Pool (SPP) effective until Entergy fully integrated into MISO on December 19, 2013. As ICT for the Entergy region, MISO served as the reliability coordinator and tariff administrator, managed long-term transmission planning, and conducted Entergy's weekly power procurement process. On December 19, 2013, a four-state region of the electric grid across the South integrated into MISO's existing footprint in the Midwest adding over 18,000 miles of transmission and 50,000 megawatts of generation capacity. The integration added 10 new transmission owning companies, six local balancing authorities, and 33 new market participants from Mississippi, Louisiana, Arkansas, Texas, and Missouri to MISO. This new region - referred to as MISO South - includes the following transmission owners and local balancing authorities: Entergy (Arkansas, Mississippi, Louisiana, Texas, Gulf States, and New Orleans), Cleco Corp. (CLECO), Lafayette Utilities System, Louisiana Energy and Power Authority, Louisiana Generating, South Mississippi Electric Power Association (SMEPA), and East Texas Electric Cooperative (ETEC).</Desc>
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        <PersonNm>Robert B Berntsen</PersonNm>
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        <PersonNm>Jennifer Curran</PersonNm>
        <TitleTxt>VP - Transmissions</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Joseph Gardner</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Todd Hillman</PersonNm>
        <TitleTxt>VP - CUST &amp; STKHLDR RELATIONS</TitleTxt>
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        <PersonNm>Todd Ramey</PersonNm>
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        <PersonNm>Richard Schug</PersonNm>
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        <PersonNm>Josephine Biggers</PersonNm>
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        <PersonNm>Kurt W Bilas</PersonNm>
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        <PersonNm>Lori Spence</PersonNm>
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        <PersonNm>Gregory Troxell</PersonNm>
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        <PersonNm>Douglas Chapman</PersonNm>
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        <PersonNm>Christopher Hoffman</PersonNm>
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      <ContractorCompensationGrp>
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      <ContractorCompensationGrp>
        <ContractorName>
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      <ProgramServiceRevenueGrp>
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        <ManagementAndGeneralAmt>168580</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>BANK CHARGES</Desc>
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        <ProgramServicesAmt>265999740</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42680553</ManagementAndGeneralAmt>
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      <TotalJointCostsGrp>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>6904364</EOYAmt>
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        <EOYAmt>69357</EOYAmt>
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      <LoansFromOfficersDirectorsGrp>
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      <OtherLiabilitiesGrp>
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        <EOYAmt>522813344</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>912014925</EOYAmt>
      </TotalLiabilitiesGrp>
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      <UnrestrictedNetAssetsGrp>
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        <EOYAmt>0</EOYAmt>
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      <PermanentlyRstrNetAssetsGrp>
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      <TotalNetAssetsFundBalanceGrp>
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        <EOYAmt>0</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>912014925</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>0</ReconcilationRevenueExpnssAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>true</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>true</FederalGrantAuditPerformedInd>
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    <IRS990ScheduleD documentId="IRS990ScheduleD">
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      <HeldWorksArtGrp />
      <CYMinus3YrEndwmtFundGrp />
      <CYMinus4YrEndwmtFundGrp />
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      <OtherAssetsOrgGrp>
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      <OtherAssetsOrgGrp>
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      <OtherLiabilitiesOrgGrp>
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      <OtherLiabilitiesOrgGrp>
        <Desc>OBLIGATIONS UNDER CAPITAL LEASE</Desc>
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      <TotalExpensesPerForm990Amt>308680293</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PART XIII, LINE 4B</FormAndLineReferenceDesc>
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      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ">
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      <TravelForCompanionsInd>X</TravelForCompanionsInd>
      <IdemnificationGrossUpPmtsInd>X</IdemnificationGrossUpPmtsInd>
      <DiscretionarySpendingAcctInd>X</DiscretionarySpendingAcctInd>
      <HousingAllowanceOrResidenceInd>X</HousingAllowanceOrResidenceInd>
      <WrittenPolicyRefTAndEExpnssInd>true</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>true</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>true</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>true</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
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        <TotalCompensationFilingOrgAmt>914870</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>72281</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>William Phillips</PersonNm>
        <TitleTxt>VP - RELIABILITY &amp; SECUR. REL.</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Greg Powell</PersonNm>
        <TitleTxt>VP - HUMAN RESOURCES</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Loyd A Warnock</PersonNm>
        <TitleTxt>Sr VP - External Affairs</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <NontaxableBenefitsFilingOrgAmt>14578</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>798085</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>43896</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Joseph Gardner</PersonNm>
        <TitleTxt>VP Forward Markets and Ops</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Todd Hillman</PersonNm>
        <TitleTxt>VP - CUST &amp; STKHLDR RELATIONS</TitleTxt>
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        <PersonNm>Todd Ramey</PersonNm>
        <TitleTxt>VP System Ops and Markets</TitleTxt>
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        <PersonNm>Richard Schug</PersonNm>
        <TitleTxt>VP Stragegy &amp; Business Develop</TitleTxt>
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        <PersonNm>Kurt W Bilas</PersonNm>
        <TitleTxt>Exec Dir Gov't Relations</TitleTxt>
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        <PersonNm>Lori Spence</PersonNm>
        <TitleTxt>Deputy General Counsel</TitleTxt>
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        <PersonNm>Gregory Troxell</PersonNm>
        <TitleTxt>Assistant General Counsel</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Douglas Chapman</PersonNm>
        <TitleTxt>Exec Dir IT Infrastructure</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Christopher Hoffman</PersonNm>
        <TitleTxt>Shift Manager</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Michael Curran</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Shelley Longmuir</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>John Bear</PersonNm>
        <TitleTxt>PRESIDENT &amp; CEO</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Josephine Biggers</PersonNm>
        <TitleTxt>VP of Finance</TitleTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART I, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MIDCONTINENT ISO PROVIDED CHARTER TRAVEL DURING 2013. A COST-BENEFIT ANALYSIS AS WELL AS NON-QUANTITATIVE FACTORS WERE CONSIDERED EACH INSTANCE CHARTER TRAVEL WAS USED. TRAVEL FOR COMPANIONS WAS PROVIDED FOR BUSINESS PURPOSES. TAXABLE DISCRETIONARY SPENDING ACCOUNTS WERE ALSO PROVIDED TO OFFICERS FOR HOME OFFICE ITEMS, LIFE INSURANCE, UNREIMBURSED MEDICAL EXPENSES AND OTHER ELIGIBLE EXPENSES. REIMBURSEMENT OF TAXABLE RELOCATION EXPENSES THAT ARE NOT DEDUCTIBLE OR EXCLUDABLE ARE GROSSED-UP FOR ALL OFFICERS. MANAGEMENT APPROVAL IS REQUIRED FOR ALL OTHER EMPLOYEES. A RESIDENCE (APARTMENT) IN CARMEL IS AVAILABLE FOR OFFICERS THAT DO NOT LIVE IN CARMEL IN LIEU OF HOTEL AFTER A COST-BENEFIT ANALYSIS WAS DONE AND REVEALED IT WAS MORE COST EFFECTIVE. FORM 990, SCHEDULE J, PART I, LINE 4A Brian Kearney received a severance package of $296,000. He received $185,000 in 2013 with the remainder to be paid out in 2014. The agreement included reimbursement for 100% of Brian's COBRA costs, which were approximately $10,018. In addition, Brian received a SERP payout in the amount of $85,264. NON-QUALIFIED DEFERRED COMPENSATION PLAN FORM 990, SCHEDULE J, PART I, LINE 4B PAUL J. FELDMAN $ 15,000 J. MICHAEL EVANS $ 15,000 MICHAEL J. CURRAN $ 15,000 JUDY WALSH $ 15,000 BALJIT DAIL $ 15,000 SHELLEY A. LONGMUIR $ 15,000 EUGENE ZELTMANN $ 15,000 SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN SECTION 457(F) FORM 990, SCHEDULE J, PART I, LINE 4B JOHN R. BEAR $258,776 JOSEPHINE A. BIGGERS $ 34,389 JENNIFER CURRAN $ 20,423 RICHARD L. DOYING $ 61,871 JOSEPH GARDnER $ 28,517 BRYAN KEARNEY $ 23,101 STEPHEN G. KOZEY $ 83,028 CLAIRE J. MOELLER $ 85,052 WILLIAM C. PHILLIPS $ 49,469 GREGORY L. POWELL $ 45,259 The amount of Employer Contributions credited to a Participant's SERP Account for a given Plan Year shall be equal to the following amounts reduced by the sum of: (1) fixed percentage employer contributions made under the Midwest ISO Employees' Retirement Savings Plan equal to 6% of an active Participant's Compensation as defined under the Midwest ISO Employees' Retirement Savings Plan, and (2) the Employer's OASDI Contribution applicable to the Participant's Plan Year Compensation: A. 14% of Plan Year Compensation paid for those Participants under age forty-five (45); B. 16% of Plan Year Compensation paid for those Participants age forty-five (45) to age fifty-four (54); and C. 19% of Plan Year Compensation paid for those Participants age fifty-five (55) and older. For the purpose of determining the Employer Contribution, the Participant's Plan Year Compensation shall be prorated for a partial Plan Year of active participation. A Participant's age for the purpose of determining such Employer Contributions shall be determined as of the end of the Plan Year for which the contributions are made. The Employer may, at its sole discretion, make additional contributions for any one Participant or all Participants.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SUPPLEMENTAL INFORMATION</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION OF CLASSES OF MEMBERS OR STOCKHOLDERS FORM 990, PART VI, QUESTION 6 A MEMBER CAN BE A REPRESENTATIVE OF ONE ENTITY OR MAY BE A SINGLE MEMBERSHIP REPRESENTING SEVERAL ENTITIES THAT SHARE A MEMBERSHIP AND HOLD A SINGLE VOTE. APPLICANTS MAY JOIN ONE OF NINE SECTORS: TRANSMISSION OWNER; INDEPENDENT POWER PRODUCERS AND EXEMPT WHOLESALE GENERATORS; POWER MARKETERS AND BROKERS; MUNICIPALS, COOPERATIVES, AND TRANSMISSION DEPENDENT UTILITIES; PUBLIC CONSUMER ADVOCATES; STATE REGULATORY AUTHORITIES; ENVIRONMENTAL/OTHER ADVOCATES; ELIGIBLE END USE CUSTOMERS; OR COORDINATING MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, QUESTION 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>ARTICLE TWO, SECTION V(B)(5) OF THE TRANSMISSION OWNERS AGREEMENT SETS OUT THE VOTING RIGHTS OF ALL MEMBERS OF THE MIDCONTINENT ISO. MEMBERS ARE DEFINED IN THE TRANSMISSION OWNERS AGREEMENT AS A "PERSON OR BUSINESS ENTITY WHICH IS (I) AN ELIGIBLE CUSTOMER, AS DEFINED IN THE TARIFF, OR (II) AN OWNER, AS DEFINED HEREIN, AND WHICH PAYS TO THE MIDCONTINENT ISO, THE NON-REFUNDABLE MEMBERSHIP FEES AS REQUIRED HEREIN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, QUESTION 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE VICE PRESIDENT - FINANCE, PRESIDENT &amp; CEO, AND LEGAL DEPARTMENT COMPLETE THE INITIAL REVIEW. THE BOARD OF DIRECTORS IS THEN PRESENTED WITH COPIES AND ARE GIVEN THE OPPORTUNITY TO ASK QUESTIONS AND PROVIDE COMMENTS TO THE EXECUTIVE TEAM BEFORE THE RETURN IS FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, QUESTION 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS POLICY IS IN THE EMPLOYEE HANDBOOK. THE HANDBOOK IS REVIEWED AT NEW HIRE ORIENTATION. ALL NEW HIRES SIGN AN EMPLOYEE HANDBOOK RECEIPT THAT THEY HAVE READ AND UNDERSTAND THE HANDBOOK. THE EMPLOYEE HANDBOOK IS ALSO PART OF THE EMPLOYEE ANNUAL RECERTIFICATION. EACH EMPLOYEE MUST CERTIFY THAT HE/SHE HAS REVIEWED AND AGREES TO COMPLY WITH MIDCONTINENT ISO POLICIES. IN ADDITION, EACH EMPLOYEE, OFFICER, AND DIRECTOR ANNUALLY RECERTIFIES THAT THEY ARE COMPLIANT WITH THE EMPLOYEE HANDBOOK AND ITS CONFLICTS OF INTEREST PROVISIONS. EACH YEAR, MISO COMPLETES THE RECERTIFICATION PROCESS WITH A SHORT TEST TO ASSURE EMPLOYEES HAVE READ AND UNDERSTAND THE CONTENT OF THE RECERTIFICATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, QUESTION 15A AND 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD RETAINS THE SERVICE OF EXPERT OUTSIDE EXECUTIVE COMPENSATION CONSULTANTS ("THE CONSULTANTS") IN THE REVIEW OF OFFICER COMPENSATION. ANNUALLY, THE CONSULTANTS PERFORM A FULL AND INDEPENDENT STUDY OF ALL OFFICER DIRECT COMPENSATION (BASE PLUS INCENTIVES). THE CONSULTANTS CONSIDER THE LEVEL OF COMPENSATION RELATIVE TO THE DUTIES PERFORMED; THE CURRENT COMPETITIVE MARKET FOR SIMILAR SKILLS, KNOWLEDGE, AND RESPONSIBILITY; AND OTHER STRATEGIC NEEDS IDENTIFIED BY THE BOARD OF DIRECTORS. THE CONSULTANTS PREPARE AND DELIVER A FULL DETAILED REPORT TO THE HUMAN RESOURCES COMMITTEE OF THE BOARD ("HRC") FOR EACH OFFICER POSITION. THIS REPORT INCLUDES RECOMMENDATIONS FOR DIRECT COMPENSATION CHANGES. THE HRC COMBINES THE RECOMMENDATIONS OF THE CONSULTANTS WITH EVALUATIONS OF OFFICER PERFORMANCE TO RECOMMEND APPROPRIATE COMPENSATION LEVELS TO THE BOARD OF DIRECTORS FOR APPROVAL. ANNUALLY THE CONSULTANT PREPARES A LETTER OF "REASONABLENESS" OF THE TOTAL REMUNERATION PACKAGE FOR OFFICERS OF THE COMPANY. THIS LETTER IS CONSISTENT WITH THE GUIDELINES OF SECTION 4958 OF THE INTERNAL REVENUE CODE. THIS LETTER CERTIFIES THAT IN THE "REASONED OPINION" OF THE CONSULTANT AS AN "INDEPENDENT EVALUATION EXPERT" THE COMPENSATION AND BENEFITS PROVIDED TO THE OFFICERS REPRESENT "REASONABLE COMPENSATION." THE HRC REVIEWS ALL METRICS, RESULTS, AND ACTUAL INCENTIVES FROM MIDCONTINENT ISO ANNUAL AND LONG-TERM INCENTIVE PLANS. NO INCENTIVES ARE PAID UNTIL RECOMMENDED BY THE HRC AND APPROVED BY THE BOARD. THE HRC REVIEWS AND RECOMMENDS ANY NEW OR MODIFIED EMPLOYMENT CONTRACTS WITH THE PRESIDENT, CEO AND OFFICERS, INCLUDING RETENTION AGREEMENTS WHICH THEN MUST BE APPROVED BY THE BOARD. FROM TIME TO TIME, THE HRC WILL RETAIN THE SERVICES OF OUTSIDE EXPERTS TO EVALUATE AND MAKE RECOMMENDATIONS TO THE LEVEL AND TYPE OF SPECIFIC COMPENSATION AND BENEFIT ITEMS. THE HRC ROUTINELY REPORTS TO AND, IF REQUIRED, OBTAINS APPROVAL FROM THE FULL BOARD ON THESE MATTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, QUESTION 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MIDCONTINENT ISO'S GOVERNING DOCUMENTS CAN BE FOUND ON OUR WEBSITE UNDER "LIBRARY" TAB. THESE DOCUMENTS ARE THE TARIFF AND THE TRANSMISSION OWNERS AGREEMENT WHICH INCLUDES THE COMPANY'S STANDARDS OF CONDUCT (APPENDIX A) AND THE COMPANY'S BYLAWS (APPENDIX F). THESE DOCUMENTS ARE ALSO FILED WITH AND AVAILABLE ON THE FERC'S WEBSITE AT WWW.FERC.GOV IN THE ELIBRARY. THE FINANCIAL STATEMENTS OF THE MIDCONTINENT ISO ARE CONTAINED IN THE COMPANY'S ANNUAL REPORT WHICH IS ALSO LOCATED ON OUR WEBSITE AT WWW.MISOENERGY.ORG.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>