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      <NumberIndividualsGT100K>5</NumberIndividualsGT100K>
      <FormersListed>0</FormersListed>
      <TotalCompGT150K>1</TotalCompGT150K>
      <CompensationFromOtherSources>0</CompensationFromOtherSources>
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          <NameBusiness>
            <BusinessNameLine1>PSAV</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>1700 EAST GOLF ROAD SUITE 400</AddressLine1>
            <City>SCHAUMBURG</City>
            <State>IL</State>
            <ZIPCode>60173</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>AUDIO VISUAL SERVICES</DescriptionOfServices>
        <Compensation>487099</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
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          <NameBusiness>
            <BusinessNameLine1>CHICAGO RESTAURANT PARTNERS LLC</BusinessNameLine1>
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        </NameOfContractor>
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          <AddressUS>
            <AddressLine1>2301 S LAKE SHORE DRIVE</AddressLine1>
            <City>CHICAGO</City>
            <State>IL</State>
            <ZIPCode>60616</ZIPCode>
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        </AddressOfContractor>
        <DescriptionOfServices>FOOD &amp; BEVERAGE SERVICES</DescriptionOfServices>
        <Compensation>369343</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>HYATT CHICAGO</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>151 E WACKER DRIVE</AddressLine1>
            <City>CHICAGO</City>
            <State>IL</State>
            <ZIPCode>60601</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>HOTEL &amp; MEETINGS SERVICES</DescriptionOfServices>
        <Compensation>331330</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
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          <NameBusiness>
            <BusinessNameLine1>FREEMAN COMPANIES</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>PO BOX 650036</AddressLine1>
            <City>DALLAS</City>
            <State>TX</State>
            <ZIPCode>752650036</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>SHIPMENT, SET-UP &amp; DESIGN</DescriptionOfServices>
        <Compensation>265408</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>ELSEVIER</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
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            <City>ORLANDO</City>
            <State>FL</State>
            <ZIPCode>328628254</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
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        <Compensation>237804</Compensation>
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        <ExclusionAmount>122546</ExclusionAmount>
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      <OtherRevenueMisc>
        <Description>MAILING LIST RENTAL</Description>
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        <ExclusionAmount>18893</ExclusionAmount>
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      <TotalRevenue>
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      <GrantsToDomesticOrgs>
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      <CompCurrentOfficersDirectors>
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        <Total>164036</Total>
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      <FeesForServicesLegal>
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      <FeesForServicesAccounting>
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      <FeesForServicesInvstMgmntFees>
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        <EOY>5947267</EOY>
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      <AccountsPayableAccruedExpenses>
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      <DeferredRevenue>
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        <EOY>2784356</EOY>
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      <OtherLiabilities>
        <BOY>322228</BOY>
        <EOY>283914</EOY>
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      <TotalLiabilities>
        <BOY>4078958</BOY>
        <EOY>3472507</EOY>
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      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>4170892</BOY>
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        <EOY>7406928</EOY>
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      <InfoInScheduleOPartXI>X</InfoInScheduleOPartXI>
      <ReconcilationRevenueExpenses>213531</ReconcilationRevenueExpenses>
      <ReconcilationOtherChanges>-450002</ReconcilationOtherChanges>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>0</AccountantCompileOrReview>
      <FSAudited>1</FSAudited>
      <AuditCommittee>1</AuditCommittee>
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      <FederalGrantAuditRequired>0</FederalGrantAuditRequired>
    </IRS990>
    <IRS990ScheduleC documentId="RetDoc1039700001">
      <SubstantiallyAllDuesNondeduct>0</SubstantiallyAllDuesNondeduct>
      <OnlyInHouseLobbying>0</OnlyInHouseLobbying>
      <AgreeToCarryoverPriorYear>1</AgreeToCarryoverPriorYear>
      <DuesAssessments>2401368</DuesAssessments>
      <NonDedLobbyPoliticalCurrent>58003</NonDedLobbyPoliticalCurrent>
      <NonDedLobbyPoliticalCarryover>-82845</NonDedLobbyPoliticalCarryover>
      <NonDedLobbyPoliticalTotal>-24842</NonDedLobbyPoliticalTotal>
      <AggrAmtReportedInDuesNotices>48027</AggrAmtReportedInDuesNotices>
      <AmountToBeCarriedOver>-72869</AmountToBeCarriedOver>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <Depreciation>219448</Depreciation>
        <BookValue>127048</BookValue>
      </LeaseholdImprovements>
      <Equipment>
        <OtherCostOrOtherBasis>444175</OtherCostOrOtherBasis>
        <Depreciation>373654</Depreciation>
        <BookValue>70521</BookValue>
      </Equipment>
      <OtherLandBuildings>
        <OtherCostOrOtherBasis>723033</OtherCostOrOtherBasis>
        <Depreciation>683832</Depreciation>
        <BookValue>39201</BookValue>
      </OtherLandBuildings>
      <TotalOfBookValueLandBuildings>236770</TotalOfBookValueLandBuildings>
      <OtherLiabilities>
        <Description>DEFERRED RENT AND LEASE INCENTIVES</Description>
        <Amount>278609</Amount>
      </OtherLiabilities>
      <OtherLiabilities>
        <Description>DUE TO SIR PAC</Description>
        <Amount>5305</Amount>
      </OtherLiabilities>
      <TotalOfAmounts>283914</TotalOfAmounts>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X:</ReturnReference>
        <Explanation>THE SOCIETY PERFORMED AN EVALUATION OF UNCERTAIN TAX POSITIONS FOR THE YEAR ENDED DECEMBER 31, 2011, AND DETERMINED THAT THERE WERE NO MATTERS THAT WOULD REQUIRE RECOGNITION IN THE CONSOLIDATED FINANCIAL STATEMENTS OR THAT MAY HAVE ANY EFFECT ON THE TAX-EXEMPT STATUS OF EITHER ENTITY.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <RecordsMaintained>1</RecordsMaintained>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>3975 FAIR RIDGE DRIVE SUITE 400N</AddressLine1>
          <City>FAIRFAX</City>
          <State>VA</State>
          <ZIPCode>22033</ZIPCode>
        </AddressUS>
        <EINOfRecipient>541518252</EINOfRecipient>
        <IRCSection>501(C)(3)</IRCSection>
        <AmountOfCashGrant>200000</AmountOfCashGrant>
        <PurposeOfGrant>GENERAL SUPPORT</PurposeOfGrant>
      </RecipientTable>
      <TotalNbrOf501C3AndGovtGrants>1</TotalNbrOf501C3AndGovtGrants>
      <TotalNbrOfOtherOrganizations>0</TotalNbrOfOtherOrganizations>
      <Form990ScheduleIPartIV>
        <Identifier>PROCEDURE FOR MONITORING GRANTS IN THE U.S.:</Identifier>
        <ReturnReference>PART I, LINE 2:</ReturnReference>
        <Explanation>SCHEDULE I, PART I, LINE 2: THE SOCIETY WILL MAKE CHARITABLE DONATIONS TO THE SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION, A RELATED ORGANIZATION EXEMPT UNDER SECTION 501(C)(3), OVER THE NEXT FIVE YEARS AS A PART OF THE DISCOVERY CAMPAIGN. THE DONATION EACH YEAR IS CONTINGENT UPON THE SOCIETY'S EXECUTIVE COMMITTEE APPROVAL DURING THE BUDGET PROCESS. THE SOCIETY ACKNOWLEDGES THAT THE SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION'S PROMISES TO USE THE AMOUNT DONATED FOR THE PURPOSES SPECIFIED AND WILL CONSTITUTE FULL AND ADEQUATE CONSIDERATION FOR THE DONATION.</Explanation>
      </Form990ScheduleIPartIV>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommittee>X</CompensationCommittee>
      <IndependentConsultant>X</IndependentConsultant>
      <WrittenEmploymentContract>X</WrittenEmploymentContract>
      <CompensationSurvey>X</CompensationSurvey>
      <BoardOrCommitteeApproval>X</BoardOrCommitteeApproval>
      <SeverancePayment>0</SeverancePayment>
      <SupplementalNonqualRetirePlan>0</SupplementalNonqualRetirePlan>
      <EquityBasedCompArrangement>0</EquityBasedCompArrangement>
      <Form990ScheduleJPartII>
        <NamePerson>SUSAN SEDORY HOLZER</NamePerson>
        <BaseCompensationFilingOrg>244585</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>0</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>7310</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>251895</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
        <NamePerson>PATRICIA MCCLENNY</NamePerson>
        <BaseCompensationFilingOrg>162907</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>284</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>13074</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>6165</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>182430</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
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    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 6</ReturnReference>
        <Explanation>THE SOCIETY IS A MEMBERSHIP BASED ORGANIZATION WITH APPROXIMATELY 5,000+ MEMBERS WHO ARE INVOLVED WITH INTERVENTIONAL RADIOLOGY. ACTIVE MEMBERS AND FELLOWS HAVE VOTING RIGHTS ON GOVERNING DECISIONS OF THE SOCIETY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7A</ReturnReference>
        <Explanation>ACTIVE MEMBERS AND FELLOWS OF THE SOCIETY HAVE THE RIGHT TO VOTE FOR THE ELECTION OF OFFICERS AND OTHER MEMBERS OF THE EXECUTIVE COUNCIL.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 7B</ReturnReference>
        <Explanation>ACTIVE MEMBERS AND FELLOWS' RIGHTS TO VOTE INCLUDE THE APPROVAL OF MEMBERSHIP DUES AND ASSESSMENTS, THE AMENDMENTS TO THE BYLAWS, AND THE SOCIETY'S ARTICLES OF INCORPORATION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE SOCIETY HIRES AN INDEPENDENT ACCOUNTING FIRM TO PREPARE THE FEDERAL FORM 990. UPON RECEIPT OF THE DRAFT FEDERAL FORM 990, IT IS REVIEWED BY THE EXECUTIVE DIRECTOR AND DIRECTOR OF FINANCE. A COPY OF THE FEDERAL FORM 990 IS THEN SENT TO THE EXECUTIVE COUNCIL VIA E-MAIL. A PERIOD OF A FEW DAYS IS GIVEN TO THE BOARD MEMBERS TO ADDRESS ANY CONCERNS THAT THEY MAY HAVE BEFORE THE FEDERAL FORM 990 IS FILED WITH THE INTERNAL REVENUE SERVICE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>AT EACH EXECUTIVE COUNCIL MEETING (HELD 3 TIMES PER YEAR) A CONFLICT OF INTEREST DOCUMENT IS DISTRIBUTED TO ALL OF THE MEMBERS FOR UPDATE AND THEIR SIGNATURE VERIFYING IF THERE ARE ANY CONFLICTS OF INTEREST. AT ANY MEETING OR OCCASION, IF A MEMBER DISCLOSES THAT THEY HAVE A MATERIAL FINANCIAL INTEREST IN A PROPOSED TRANSACTION IT IS RECORDED IN THE MINUTES. THE PERSON WHO HAS A CONFLICT OF INTEREST IS NOT ALLOWED TO VOTE ON A QUESTION THAT RELATES TO ANY PROPOSED TRANSACTION IN WHICH THEY HAVE A MATERIAL FINANCIAL INTEREST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>AN OUTSIDE FIRM DOES A MARKET COMPARISON SURVEY BY JOB DESCRIPTION, FIELD (MEDICAL ASSOCIATION), REGION, AND SIZE OF ORGANIZATION AS COMPARISONS. THIS IS DONE EVERY THREE YEARS AND IS SHARED WITH THE FINANCE COMMITTEE AND EXECUTIVE COUNCIL. CEO COMPENSATION IS ALSO INCLUDED TO INCLUDE A LOOK AT BONUS COMPARISONS AS WELL AS FRINGE BENEFITS. THE EXECUTIVE COMMITTEE DOES A REVIEW WITH THE EXECUTIVE DIRECTOR ANNUALLY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE MADE AVAILABLE UPON REQUEST VIA EMAIL LINK ON THE SOCIETY'S WEBSITE OR BY PHONE CALL TO THE CORPORATE OFFICE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED LOSSES ON INVESTMENTS: -450,002.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>FORM 990, PART VII, COLUMN B: THE FOLLOWING INDIVIDUALS DEDICATED A PORTION OF THEIR TIME TO THE MANAGEMENT OF SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION, A RELATED ORGANIZATION: SUSAN SEDORY HOLZER, EXECUTIVE DIRECTOR: 4 HOURS PER WEEK CAROLYN STRAIN, ASSISTANT EXECUTIVE DIRECTOR FOR RESEARCH: 28 HOURS PER WEEK JEFF NIELSEN, SENIOR DIRECTOR OF FINANCE: 4 HOURS PER WEEK.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>3975 FAIR RIDGE DRIVE SUITE 400N</AddressLine1>
          <City>FAIRFAX</City>
          <State>VA</State>
          <ZIPCode>22033</ZIPCode>
        </AddressUS>
        <EIN>541518252</EIN>
        <PrimaryActivities>RESEARCH AND SUPPORT OF INTERVENTIONAL RADIOLOGY</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501(C)(3)</ExemptCodeSection>
        <PublicCharityStatus>LINE 11A, I</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY PAC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>3975 FAIR RIDGE DRIVE SUITE 400N</AddressLine1>
          <City>FAIRFAX</City>
          <State>VA</State>
          <ZIPCode>22033</ZIPCode>
        </AddressUS>
        <EIN>203974267</EIN>
        <PrimaryActivities>POLITICAL ACTION COMMITTEE</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>527</ExemptCodeSection>
        <PublicCharityStatus>N/A</PublicCharityStatus>
        <DirectControllingEntityName>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY</BusinessNameLine1>
        </DirectControllingEntityName>
        <ControlledOrg>1</ControlledOrg>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>1</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>1</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>1</SharingOfFacilities>
      <SharingOfPaidEmployees>1</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>1</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>B</TransactionType>
        <AmountInvolved>200000</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>K</TransactionType>
        <AmountInvolved>176420</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>N</TransactionType>
        <AmountInvolved>362371</AmountInvolved>
      </TransactionsRelatedOrgsTable>
      <TransactionsRelatedOrgsTable>
        <NameOfOtherOrganization>
          <BusinessNameLine1>SOCIETY OF INTERVENTIONAL RADIOLOGY FOUNDATION</BusinessNameLine1>
        </NameOfOtherOrganization>
        <TransactionType>P</TransactionType>
        <AmountInvolved>172329</AmountInvolved>
      </TransactionsRelatedOrgsTable>
    </IRS990ScheduleR>
  </ReturnData>
</Return>