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      <InfoInScheduleOPartXI>X</InfoInScheduleOPartXI>
      <ReconcilationRevenueExpenses>7609329</ReconcilationRevenueExpenses>
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      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>0</AccountantCompileOrReview>
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      <AuditCommittee>1</AuditCommittee>
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        <CurrentTaxYearMinus2Years>21279185</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>23135830</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>25634734</CurrentTaxYear>
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        <CurrentTaxYearMinus3Years>20178914</CurrentTaxYearMinus3Years>
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      <AmtsRecdFromDisqualPersons>
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      </AmtsRecdFromDisqualPersons>
      <AmtsFromSubstContributors>
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      </AmtsFromSubstContributors>
      <SupportFromDQPsEtc>
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      </SupportFromDQPsEtc>
      <PublicSupportTotal509>106067022</PublicSupportTotal509>
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        <CurrentTaxYearMinus4Years>111626</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>49474</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>393</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>74</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>50</CurrentTaxYear>
        <Total>161617</Total>
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      <InvestmentIncomeAndUBTI>
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        <CurrentTaxYearMinus3Years>49474</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>393</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>74</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>50</CurrentTaxYear>
        <Total>161617</Total>
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      <OtherIncome509>
        <CurrentTaxYearMinus4Years>13606</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>188</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>1836</CurrentTaxYearMinus2Years>
        <Total>15630</Total>
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        <CurrentTaxYearMinus3Years>20228576</CurrentTaxYearMinus3Years>
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      <PriorYearSupportPercentage>0.99770</PriorYearSupportPercentage>
      <InvestmentIncomePercentage>0.00150</InvestmentIncomePercentage>
      <PriorYrInvestIncomePercentage>0.00210</PriorYrInvestIncomePercentage>
      <ThirtyThreePercntTestsCY509>X</ThirtyThreePercntTestsCY509>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <Depreciation>2849506</Depreciation>
        <BookValue>340653</BookValue>
      </LeaseholdImprovements>
      <Equipment>
        <OtherCostOrOtherBasis>10428973</OtherCostOrOtherBasis>
        <Depreciation>5501787</Depreciation>
        <BookValue>4927186</BookValue>
      </Equipment>
      <TotalOfBookValueLandBuildings>5267839</TotalOfBookValueLandBuildings>
      <OtherLiabilities>
        <Description>STATE TAX ASSESSMENT PAYABLE</Description>
        <Amount>515442</Amount>
      </OtherLiabilities>
      <TotalOfAmounts>515442</TotalOfAmounts>
      <TotalRevenue>25634784</TotalRevenue>
      <TotalExpenses>18025455</TotalExpenses>
      <ExcessOrDeficitForYear>7609329</ExcessOrDeficitForYear>
      <OtherAmount>-6975000</OtherAmount>
      <TotalAdjustments>-6975000</TotalAdjustments>
      <ExcessOrDeficitPerFS>634329</ExcessOrDeficitPerFS>
      <TotRevenueEtcAuditedFinclStmt>25906327</TotRevenueEtcAuditedFinclStmt>
      <OtherRevenues>271543</OtherRevenues>
      <RevenueNotRptdF990>271543</RevenueNotRptdF990>
      <RevenueSubtotal>25634784</RevenueSubtotal>
      <RevenueNotRptdOnFinStmt>0</RevenueNotRptdOnFinStmt>
      <TotalRevenuePerForm990>25634784</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>18296998</TotExpensesEtcAuditedFinclStmt>
      <OtherExpensesIncluded>271543</OtherExpensesIncluded>
      <ExpensesNotRptdF990>271543</ExpensesNotRptdF990>
      <ExpensesSubtotal>18025455</ExpensesSubtotal>
      <ExpensesNotRptdOnFinStmt>0</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>18025455</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X:</ReturnReference>
        <Explanation>THE SURGERY CENTER IS A TAX-EXEMPT CORPORATION AS DESCRIBED IN SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (THE "CODE") AND IS EXEMPT FROM FEDERAL INCOME TAXES ON RELATED INCOME PURSUANT TO SECTION 501(A) OF THE CODE. THE SURGERY CENTER IS ALSO EXEMPT FROM STATE INCOME TAXES ON RELATED INCOME. IN ORDER TO ACCOUNT FOR ANY UNCERTAIN TAX POSITIONS, THE SURGERY CENTER DETERMINES WHETHER IT IS MORE LIKELY THAN NOT THAT A TAX POSITION WILL BE SUSTAINED UPON EXAMINIATION ON THE TECHNICAL MERITS OF THE POSITION, ASSUMING THE TAXING AUTHORITY HAS FULL KNOWLEDGE OF ALL INFORMATION. IF THE TAX POSITION DOES NOT MEET THE MORE LIKELY THAN NOT RECOGNITION THRESHOLD, THE BENEFIT OF THAT POSITION IS NOT RECOGNIZED IN THE FINANCIAL STATEMENTS. THE SURGERY CENTER RECORDED NO ASSETS OR LIABILITIES RELATED TO UNCERTAIN TAX POSITIONS IN 2011 OR 2010 AS MANAGEMENT BELIEVES THE SURGERY CENTER HAS NO MATERIAL UNRECOGNIZED INCOME TAX POSITIONS. FEDERAL TAX RETURNS FOR TAX YEARS 2008 AND BEYOND REMAIN SUBJECT TO EXAMINATION BY THE INTERNAL REVENUE SERVICE</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XI, LINE 8 - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>DISTRIBUTIONS TO MEMBERS -6,975,000.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>BAD DEBT EXPENSE 271,543.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XIII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>BAD DEBT EXPENSE 271,543.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 6</ReturnReference>
        <Explanation>THE CORPORATION HAS ONE CLASS OF THREE VOTING MEMBERS WHICH HAVE IDENTIAL RIGHTS AND OBLIGATIONS WITH RESPECT TO VOTING, DISSOLUTION, REDEMPTION, TRANSFER AND OTHERWISE. MEMBERS WILL BE ADMITTED, SUSPENDED, EXPELLED OR TERMINATED PURSUANT TO BYLAWS OF THE CORPORATION. THE MEMBERS ARE UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION, INC., MERITER HOSPITAL, INC. AND UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>EACH MEMBER APPOINTS TWO DIRECTORS. DIRECTORS WILL SERVE UNTIL HIS OR HER DEATH, RESIGNATION OR REMOVAL, OR UNTIL A SUCCESSOR HAS BEEN APPOINTED. UPON THE EXPIRATION OF A DIRECTOR'S TERM, THE MEMBER THAT APPOINTED SUCH DIRECTOR WILL APPOINT HIS OR HER SUCCESSOR.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7B</ReturnReference>
        <Explanation>THE FOLLOWING ACTIONS REQUIRE THE APPROVAL OF THE MEMBERS: (A) MERGER, CONSOLIDATION OR DISSOLUTION OF THE CORPORATION; (B) AMENDMENT, RESTATEMENT, ALTERATION OR REPEAL OF THE ARTICLES OF INCORPORATION OR THE BYLAWS OF THE CORPORATION, OR THE ADOPTION OF NEW ARTICLES OF INCORPORATION OR BYLAWS; (C) A SALE, LEASE, EXCHANGE, OR OTHER DISPOSITION OF ALL, OR SUBSTANTIALLY ALL, THE PROPERTY AND ASSETS OF THE CORPORATION; (D) THE CALL FOR ADDITIONAL CONTRIBUTIONS FROM MEMBERS TO THE CORPORATION OR ASSESSMENTS AGAINST THE MEMBERS; AND (3) ANY DISTRIBUTION OF ASSETS OF THE CORPORATION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE SENIOR FINANCIAL ANALYST FOR UWMF REVIEWS THE FORM 990 BEFORE IT IS SIGNED BY THE VP OF FINANCE FOR THE MANAGING PARTNER.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>AT THE FIRST MEETINGS OF THE BOARD OF DIRECTORS AND THE OPERATIONS BOARD SUBSEQUENT TO THE ANNUAL MEETING OF THE SURGERY CENTER MEMBERS, EACH MEMBER OF THE BOARD OF DIRECTORS AND THE OPERATIONS BOARD SHALL SIGN A WRITTEN STATEMENT CERTIFYING TO ALL OF THE FOLLOWING: (I) HE OR SHE HAS RECEIVED A COPY OF THIS CONFLICT OF INTEREST POLICY; (II) HE OR SHE HAS READ AND UNDERSTANDS THIS CONFLICT OF INTEREST POLICY; (III) HE OR SHE AGREES TO COMPLY WITH THIS CONFLICT OF INTEREST POLICY; (IV) HE OR SHE UNDERSTANDS THAT THIS CONFLICT OF INTEREST POLICY APPLIES TO ALL COMMITTEES AND SUBCOMMITTEES HAVING BOARD-DELEGATED POWERS; AND (V) HE OR SHE UNDERSTANDS THAT THE SURGERY CENTER IS A CHARITABLE ORGANIZATION, AND THAT, IN ORDER TO OBTAIN AND MAINTAIN THE TAX-EXEMPT STATUS OF THE SURGERY CENTER UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE OF 1986 AS AMENDED, THE SURGERY CENTER MUST CONTINUALLY ENGAGE PRIMARILY IN ACTIVITIES WHICH ACCOMPLISH ONE OR MORE OF ITS TAX-EXEMPT PURPOSES. ANY MEMBER OF THE BOARD OF DIRECTORS WHO REFUSES OR FAILS TO SIGN SUCH A STATEMENT SHALL BE PROHIBITED FROM PARTICIPATING IN DISCUSSION OR ACTION BY THE BOARD OF DIRECTORS OR THE OPERATIONS BOARD UNTIL SUCH STATEMENT IS SIGNED. IF IT IS DETERMINED AT ANY TIME THAT AN INTERESTED PERSON HAS NEGLIGENTLY OR INTENTIONALLY FAILED TO DISCLOSE A FINANCIAL INTEREST, THE PRESIDENT SHALL CONSIDER THE IMPOSITION OF SUCH SANCTIONS AS THE PRESIDENT, IN HIS OR HER EXCLUSIVE DISCRETION, MAY DEEM APPROPRIATE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>MADISON SURGERY CENTER MAKES THESE DOCUMENTS AVAILABLE TO THE PUBLIC UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>DISTRIBUTIONS TO MEMBERS -6,975,000. TOTAL TO FORM 990, PART XI, LINE 5: -6,975,000.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>