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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Masao Asami</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Kai Beckmann</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Doris Hsu</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Eric Johnson</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
        <AverageHoursPerWeekRt>1.0</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Toshiki Kawai</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jon Kemp</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Chun Hyuk Lee</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Yong Han Lee</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Sue Lin</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Benjamin Loh</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Daisuke Murata</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kyu Dong Sung</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kazuo Ushida</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Yoshiaki Yoshida</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jinrong Zhao</PersonNm>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Li Zheng</PersonNm>
        <TitleTxt>Trustee</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
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      <IndivRcvdGreaterThan100KCnt>85</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>Global Experience Specialists Inc</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>7000 Lindell Rd</AddressLine1Txt>
            <CityNm>LAS VEGAS</CityNm>
            <StateAbbreviationCd>NV</StateAbbreviationCd>
            <ZIPCd>89118</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>SEMICON West</ServicesDesc>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>EVENT TECHNOLOGY SERVICES LLC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 3432</AddressLine1Txt>
            <CityNm>COPPELL</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75019</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>SEMICON West</ServicesDesc>
        <CompensationAmt>996315</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>DLA PIPER LLP - US</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 780528</AddressLine1Txt>
            <CityNm>PHILADEPLPHIA</CityNm>
            <StateAbbreviationCd>PA</StateAbbreviationCd>
            <ZIPCd>19178</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Legal Services</ServicesDesc>
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      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>The Research Foundation for State U</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO Box 6000</AddressLine1Txt>
            <CityNm>BINGHAMTON</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>13092</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>PALO ALTO RESEARCH CENTER INC</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>3333 Coyote Hill Road</AddressLine1Txt>
            <CityNm>PALO ALTO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94304</ZIPCd>
          </USAddress>
        </ContractorAddress>
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      <TotalContributionsAmt>11788762</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>TRADESHOWS</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>53537022</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>53537022</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>15658332</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>15658332</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SPONSORSHIPS</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>6959507</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>6959507</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PUBLICATIONS</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>6347649</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>6347649</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>CONFERENCES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>4306135</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4306135</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
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        <RelatedOrExemptFuncIncomeAmt>272558</RelatedOrExemptFuncIncomeAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>87081203</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>3721287</TotalRevenueColumnAmt>
        <ExclusionAmt>3721287</ExclusionAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </IncmFromInvestBondProceedsGrp>
      <RoyaltiesRevenueGrp>
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        <ExclusionAmt>4268252</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>0</RealAmt>
        <PersonalAmt>0</PersonalAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetRentalIncomeOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>0</FundraisingGrossIncomeAmt>
      <FundraisingDirectExpensesAmt>0</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <GamingDirectExpensesAmt>0</GamingDirectExpensesAmt>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
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        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
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        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>1933113</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>ADVERTISING</Desc>
        <BusinessCd>541800</BusinessCd>
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      <FeesForServicesAccountingGrp>
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      </FeesForServicesProfFundraising>
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      </FeesForSrvcInvstMgmntFeesGrp>
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      <PaymentsToAffiliatesGrp>
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      <InsuranceGrp>
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        <Desc>TAXES</Desc>
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      <TotalFunctionalExpensesGrp>
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        <EOYAmt>118110641</EOYAmt>
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        <EOYAmt>3265099</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>0</EOYAmt>
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      <OthNotesLoansReceivableNetGrp>
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        <EOYAmt>0</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
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        <EOYAmt>0</EOYAmt>
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        <EOYAmt>1827376</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>7287776</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>6063802</LandBldgEquipAccumDeprecAmt>
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        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>SEMI is a not-for-profit organization recognized by the IRS and FTB as exempt from federal and state income taxes in the U.S. However, certain activities of subsidiaries or branches in other countries, such as trade shows, are subject to foreign income taxes or other taxes on income generated in their respective jurisdictions. Tax expense, net of refund, was as follows (in thousands): 2024 2023 Current $2,948 $1,692 Deferred (41) (69) Total Income Taxes 2,907 1,623 Other Taxes 2,172 (5,208) Total Taxes $5,079 $3,585 Net deferred tax assets are included in prepaids and other current assets on the consolidated statements of financial position and approximated $321,000 and $270,000 as of December 31, 2024 and 2023, respectively. The sources resulting in net deferred tax assets consist principally of deferred revenues and deferred expenses related to exhibitions, accruals, and depreciation. Additionally, the Group generates unrelated business income, primarily from its advertising activities. These activities have historically generated losses and SEMI has accumulated net operating loss carryforwards (NOLs). As of December 31, 2024 and 2023, SEMI had NOLs of approximately $3,692,000 and $3,686,000, respectively. The NOLs will continue to expire after the year ending December 31, 2024. The ability to utilize the NOLs or realize any benefits is uncertain, and therefore a full valuation allowance has been applied against them. No valuation allowance other than NOLs described in the preceding paragraph was recorded as of December 31, 2024 and 2023, as the Group concluded that all of the deferred tax assets will be realized in future years. Net deferred assets are recorded as prepaids and other current assets on the consolidated statements of financial position and any change is recorded in non-operating expenses on the consolidated statements of activities and changes in net assets. The Group measures deferred tax assets and liabilities using enacted tax rates that will apply in the years in which the temporary differences are expected to be recovered or paid. The Group's total gross unrecognized tax benefits are classified as other long-term liabilities on the consolidated statements of financial position. As of December 31, 2024 and 2023, the total amount of gross unrecognized tax benefits was approximately $353,000 and $412,000, respectively, which results entirely from foreign taxes. The aggregate changes in the balance of gross unrecognized tax benefits, which includes interest and penalties, were as follows (in thousands): Balance as of January 1, 2023 $1,146 Decrease Related to expiry of statue of limitation (735) Increases related to tax positions taken during current period 1 Balance as of December 31, 2023 412 Decrease Related to expiry of statue of limitation (73) Increases related to tax positions taken during current period 14 Balance as of December 31, 2024 353 As of December 31, 2024, the Group has analyzed the inventory of tax positions taken with respect to all applicable income tax issues for all open tax years (in each respective jurisdiction) including tax years ended December 31, 2019 through December 31, 2024 for U.S. federal tax purposes and tax years ended December 31, 2018 through December 31, 2024 for California tax purposes (except with respect to the extent of net operating losses for which the statute is open for federal and California tax purposes from tax year December 31, 2001) and tax years ended December 31, 2013 through December 31, 2024 for foreign tax purposes. The composition of unrecognized tax benefits was as follows (in thousands): 2024 2023 Gross unrecognized tax benefits - taxes $262 $304 Gross unrecognized tax benefits - interest and penalties 91 108 Balance, December 31 $353 $412 The Group does not anticipate a material change to its accrued unrecognized tax benefits in the 12 months following December 31, 2024. South Korea Taxes Certain activities engaged by the Group in other countries, such as conferences and expositions, are subject to foreign income taxes and other taxes on income generated in the respective jurisdictions. Exposure to income and local taxes is directly dependent on whether an entity has a taxable presence, or permanent establishment, within the foreign jurisdiction. The Group has determined that conferences and expositions held in South Korea by SEMI did not constitute a permanent establishment in accordance with the provisions of the U.S. and Korea Tax Treaty of 1976. While the interpretation of the U.S. and Korea Tax Treaty of 1976 is left to local Korean tax authorities, the Group held the position that such a conclusion would more-likely-than-not be sustained after an audit. In 2009, SEMI Korea was established as a separate legal entity from SEMI, and a transfer pricing agreement was enacted between SEMI and SEMI Korea. SEMI Korea receives compensation for services provided, including for events in South Korea, to ensure transactions engaged in between the entities were conducted at an arms-length and did not create a permanent establishment in South Korea for SEMI. Accordingly, the Group maintained their assessment that no taxes should be assessed on conferences and expositions held in South Korea, due to a lack of a taxable presence. In August 2019, the Group received an inquiry from the South Korean National Tax Service (NTS). The NTS subsequently challenged the Group's position, ruling that SEMI has a permanent establishment in South Korea. The Group responded to the NTS inquiries and subsequently received notification in March 2020 of an income tax assessment for the 2012 tax year. As required by the NTS, the Group paid the assessment to allow the Group to begin an appeal process. The Group was further notified in July 2020 that additional taxes and penalties would be assessed for 2013 through 2019 tax years. As a consequence of this ruling, the Group accrued income taxes, value added taxes (VAT) and penalties for the years from 2012 through 2019 for approximately $6,946,000 as of December 31, 2019, which were paid in 2020. The Group did not accrue any additional taxes and penalties related to this matter in subsequent years as the Group believes that its activities in South Korea do not create a permanent establishment and appealed the assessment. In February 2023, NTS ruled in favor of the Group's appeal of the South Korea tax assessment, ruling that the Group does not have a permanent establishment in South Korea. In March 2023, NTS refunded cumulative taxes, interest and penalties assessed in relation to this matter, which approximated $6,492,000 as of the date of refund. The refund was recorded as a tax benefit for the year ended December 31, 2023 in the consolidated statements of activities and changes in net assets.</ExplanationTxt>
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        <PersonNm>Olivier Naimi</PersonNm>
        <TitleTxt>Project Director, Digital Tran</TitleTxt>
        <BaseCompensationFilingOrgAmt>239362</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>63605</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>3612</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>107489</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>35890</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>449958</TotalCompensationFilingOrgAmt>
        <CompReportPrior990FilingOrgAmt>63605</CompReportPrior990FilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Tim Brosnihan</PersonNm>
        <TitleTxt>Executive Director, MSIG</TitleTxt>
        <BaseCompensationFilingOrgAmt>247126</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>126898</BonusFilingOrganizationAmount>
        <OtherCompensationFilingOrgAmt>2225</OtherCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>17250</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>31346</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>424845</TotalCompensationFilingOrgAmt>
        <CompReportPrior990FilingOrgAmt>126898</CompReportPrior990FilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II:</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION REPORTED ON SCHEDULE J, PART II, COLUMN F REPRESENT AMOUNTS THAT WERE REPORTED ON PRIOR YEARS' FORMS 990 AS THE BENEFITS WERE ACCRUED. THESE AMOUNTS ARE ALSO REPORTED ON SCHEDULE J, PART II, COLUMB B(II) AS THEY WERE ALSO REPORTABLE ON THE CURRENT YEAR'S FORMS W-2 FOR THE AFFECTED INDIVIDUALS. THE AMOUNTS REPORTED ON SCHEDULE J, PART II, COLUMN F SHOULD BE SUBTRACTED FROM THE AMOUNT REPORTED ON SCHEDULE J, PART II, COLUMN E TO ARRIVE AT THE ACTUAL COMPENSATION FOR THE CURRENT YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part I, Line 1, Description of Organization Mission:</FormAndLineReferenceDesc>
        <ExplanationTxt>OR CORPORATE OBJECTIVE IS IN THE GLOBAL ELECTRONICS SUPPLY CHAIN; PROVIDED THAT SUCH ENTITIES SHALL NOT BECOME VOTING MEMBERS EXCEPT UPON PAYMENT OF SUCH INITIATION FEES AS MAY BE DETERMINED BY THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part V, Line 4B, list of foreign countries:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHINA, SOUTH KOREA, JAPAN, INDIA, BELGIUM, GERMANY, TAIWAN, SINGAPORE, UNITED KINGDOM</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 6:</FormAndLineReferenceDesc>
        <ExplanationTxt>SEMI MEMBERS CONSIST OF CORPORATIONS, COMPANIES, FIRMS, OR ORGANIZATIONS, OR DEPARTMENTS OR SUBDIVISIONS THEREOF, WHOSE INTEREST OR CORPORATE OBJECTIVE IS IN THE GLOBAL ELECTRONIC SUPPLY CHAIN? PROVIDED THAT SUCH ENTITIES SHALL NOT BECOME VOTING MEMBERS EXCEPT UPON PAYMENT OF SUCH INITIATION FEES AS MAY BE DETERMINED BY THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a:</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH VOTING MEMBER IN GOOD STANDING IS ENTITLED TO VOTE FOR THE ELECTION OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B:</FormAndLineReferenceDesc>
        <ExplanationTxt>VOTING MEMBERS HAVE THE POWER TO AMEND THE ARTICLES OF INCORPORATION AND CORPORATE BYLAWS OF SEMI AND MAY HAVE OTHER POWERS CONFERRED BY THE NONPROFIT PUBLIC BENEFIT CORPORATION LAW OF THE STATE OF CALIFORNIA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B:</FormAndLineReferenceDesc>
        <ExplanationTxt>BDO AND SEMI STAFF WORK TOGETHER TO GATHER THE REQUIRED TAX INFORMATION NECESSARY TO COMPLETE THE TAX RETURNS. THE INITIAL DRAFT RETURN IS REVIEWED BY BPM AND SEMI FINANCE STAFF; ITEMS ARE DISCUSSED AND REVIEWED. RECOMMENDED CHANGES ARE REFLECTED IN THE RETURN AND A DRAFT TAX RETURN IS PREPARED. THE FINANCE COMMITTEE RECEIVES THE FINAL VERSION OF THE TAX RETURN FOR REVIEW PRIOR TO FILING. THE BOARD HAS DELEGATED MONITORING AND REVIEW OF FINANCIAL MATTERS TO THE FINANCE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C:</FormAndLineReferenceDesc>
        <ExplanationTxt>SEMI HAS A CODE OF CONDUCT POLICY, WHICH INCLUDES THE CONFLICT OF INTEREST POLICY. SEMI HAS REVIEWED THIS POLICY WITH ALL EMPLOYEES, OFFICERS AND DIRECTORS AND OBTAINED THEIR COMMITMENT TO ABIDE BY IT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN CONJUNCTION WITH AN INTERNATIONAL BOARD OF DIRECTORS MEETING EACH YEAR, THE BOARD COMPENSATION COMMITTEE MEETS WITH THE PRESIDENT AND CEO AND CFO. BASED UPON SALARY SURVEY INFORMATION AND THE USE OF AN INDEPENDENT COMPENSATION CONSULTANT, THEY PRESENT RECOMMENDED MERIT INCREASES ON A REGIONAL BASIS FOR APPROVAL BY THE BOARD COMPENSATION COMMITTEE. ONCE APPROVED, THE SEMI EXECUTIVE AND STAFF MERIT INCREASES ARE ADMINISTERED BY FUNCTIONAL LEADERSHIP THROUGH THE PERFORMANCE MANAGEMENT SYSTEM WITH FINAL APPROVAL BY THE PRESIDENT AND CEO. THE CEO'S ANNUAL COMPENSATION ADJUSTMENT IS DISCUSSED PRIVATELY WITH THE BOARD COMPENSATION COMMITTEE AND THE CFO. A REVIEW OF THE CEO'S GOALS AND ACCOMPLISHMENTS IS ACCOMPANIED BY A RECOMMENDED COMPENSATION ADJUSTMENT BASED ON INDEPENDENT SALARY SURVEYS. THE BOARD COMPENSATION COMMITTEE THEN MEETS IN CLOSED SESSION TO REVIEW THIS INFORMATION AND DETERMINE AN APPROPRIATE PERFORMANCE RATING AND THE ACCOMPANYING BONUS AND MERIT INCREASE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18:</FormAndLineReferenceDesc>
        <ExplanationTxt>SEMI MAKES ITS FORMS 990 AND 990-T AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19:</FormAndLineReferenceDesc>
        <ExplanationTxt>SEMI MAKES ITS AUDITED FINANCIAL STATEMENTS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9, CHANGES IN NET ASSETS:</FormAndLineReferenceDesc>
        <ExplanationTxt>CURRENCY EXCHANGE 1,208,884. CHANGE IN TRANSLATION RESERVES -1,120,717. CHANGE IN PENSION ACCRUAL -506,713. Bad Debts -66,508 TOTAL TO FORM 990, PART XI, LINE 9 -485,054.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>SEMI Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>673 South Milpitas Boulevard</AddressLine1Txt>
          <CityNm>Milpitas</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>950355473</ZIPCd>
        </USAddress>
        <EIN>300155873</EIN>
        <PrimaryActivitiesTxt>Educ. Program</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>semi</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SEMI Japan YK</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>1-4-1 MARUNOUCHI MARUNOUCHI EIRAKU</AddressLine1Txt>
          <CityNm>Tokyo</CityNm>
          <CountryCd>JA</CountryCd>
          <ForeignPostalCd>102-0074</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>Trade Association</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>JA</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SEMI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corp</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>376904</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>14415963</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SEMI SOUTHEAST ASIA PTE LTD</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>152 BEACH ROAD 09-03/04 GATEWAY E</AddressLine1Txt>
          <CityNm>SINGAPORE</CityNm>
          <CountryCd>SN</CountryCd>
          <ForeignPostalCd>189721</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>Trade Association</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>SN</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SEMI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corp</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>1550332</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>5912118</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SEMI MANAGEMENT CONSULTING (SHANGHAI) CO</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>SUITE 803 2ND BUILDING 1158 ZHANG</AddressLine1Txt>
          <CityNm>PUDONG</CityNm>
          <ProvinceOrStateNm>SHANGHAI</ProvinceOrStateNm>
          <CountryCd>CH</CountryCd>
          <ForeignPostalCd>201203</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>Trade Association</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>CH</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SEMI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corp</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>-6542134</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>21888547</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SEMI TECH SERVICES INDIA PRIVATE LIMITED</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>DBS HOUSE SUITE 217 26 Cunningh</AddressLine1Txt>
          <CityNm>BANGALORE</CityNm>
          <CountryCd>IN</CountryCd>
          <ForeignPostalCd>560052</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>Trade Association</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>IN</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SEMI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corp</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>-382</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>74986</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SEMI KOREA</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>KOREA WORLD TRADE TOWER 4205 159-1</AddressLine1Txt>
          <CityNm>SamsungSeoul</CityNm>
          <CountryCd>KS</CountryCd>
          <ForeignPostalCd>135-729</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>Trade Association</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>KS</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SEMI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corp</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>34801</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>10805172</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SEMI EUROPE GMBH</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>HELMHOLTZSTRASSE 2-9 CHARLOTTENBUR</AddressLine1Txt>
          <CityNm>BERLIN</CityNm>
          <CountryCd>GM</CountryCd>
          <ForeignPostalCd>10587</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>Trade Association</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>GM</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SEMI</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corp</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>150891</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>3085064</ShareOfEOYAssetsAmt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>true</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>true</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>true</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>true</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>true</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>true</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>true</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>true</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>true</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI Japan YK</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>a</TransactionTypeTxt>
        <InvolvedAmt>4268252</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI Japan YK</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>d</TransactionTypeTxt>
        <InvolvedAmt>9026258</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI Southeast ASIA PTE LTD</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>d</TransactionTypeTxt>
        <InvolvedAmt>219336</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI TECH SERVICES INDIA PRIVATE LIMITED</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>d</TransactionTypeTxt>
        <InvolvedAmt>40524</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI Southeast ASIA PTE LTD</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>l</TransactionTypeTxt>
        <InvolvedAmt>1176955</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI Japan YK</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>m</TransactionTypeTxt>
        <InvolvedAmt>32005</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI Europe GMBH</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>m</TransactionTypeTxt>
        <InvolvedAmt>3125497</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI ADVANCED TECHNOLOGY ASSOCIATION OF KOREA</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>m</TransactionTypeTxt>
        <InvolvedAmt>1921228</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI TECH SERVICES INDIA PRIVATE LIMITED</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>m</TransactionTypeTxt>
        <InvolvedAmt>58040</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>2682958</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>q</TransactionTypeTxt>
        <InvolvedAmt>320423</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>SEMI Management Consulting (Shanghai) Co</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>f</TransactionTypeTxt>
        <InvolvedAmt>7380170</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>Cost</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>