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        <Explanation>Schedule D, Part V, Question 4 As described in detail in the Audited Financial Statements, Dana-Farber Cancer Institute and its affiliates have endowments consisting of numerous individual funds established for a variety of purposes. These endowments consist solely of donor-restricted endowment funds. As required by Generally Accepted Accounting Principles, net assets associated with endowment funds are classified and reported based on the existence or absence of donor-imposed restrictions. All uses of the organization's endowment funds are directly related to Dana-Farber Cancer Institute and its affiliates' exempt mission and purposes. Dana-Farber Cancer Insitute receives contributions to the organization's endowment funds and transfers these amounts to be held in Dana-Farber, Inc. As of September 30, 2011, Dana-Faber, Inc. held $187,242,000 of endowments.</Explanation>
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      <Form990ScheduleJPartIII>
        <Identifier>Schedule J, Part I</Identifier>
        <Explanation>Line 4b The following individuals participate in DFCI's 457(f) plan; taxable amounts are included in reportable compensation in Schedule J, Part II, Column (B)(iii): Name: Benz, Edward J. JR., MD 45,768.82 Boskey, Richard S., ESQ 14,591.86 Puhy, Dorothy 19,464.51</Explanation>
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          <NamePerson>Berkshire Partners LLC</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>See Part V</Relationship>
        <AmountOfTransaction>1662727</AmountOfTransaction>
        <DescriptionOfTransaction>See Part V</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
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        <NameOfInterestedPerson>
          <NamePerson>Bain Capital</NamePerson>
        </NameOfInterestedPerson>
        <Relationship>See Part V</Relationship>
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        <DescriptionOfTransaction>See Part V</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
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      <Form990ScheduleLPartV>
        <Identifier>Part IV - Business Transactions</Identifier>
        <Explanation>DFI holds interests in alternative investments managed by Berkshire Partners LLC. Richard Lubin owns &gt;5% of Berkshire Partners LLC.* DFI holds interests in alternative investments managed by Bain Capital. Joshua Bekenstein is a partner of Bain Capital and benefits financially from being a partner.* *All transactions are in the ordinary course of business and in compliance with the organaization's conflict of interest policy.</Explanation>
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    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <GeneralExplanation>
        <Identifier>Part IX, Line 2B</Identifier>
        <Explanation>Dana-Farber, Inc. is included in the consolidated Audited Financial Statements of Dana-Farber Cancer Institute, Inc. Form 990, Part VI, Question 2 Business &amp; Family Relationships Business Relationship: Richard Lubin and Stephen Kay Form 990, Part VI, Line 11 Process used to review the Form 990 The Form 990 is prepared by the Tax Department and independently reviewed by Ernst &amp; Young LLP for technical tax issues. After the Tax Department and Ernst &amp; Young finalize the returns, The Chief Financial Officer of the Organization meets with the Tax Department to review the entire tax return in detail. If any changes need to be made, the Tax Department will make the changes in accordance with the CFO. After the CFO approves the return, certain sections are taken to Board Committees for a more detailed analysis. For example, the Board Compensation Committee reviews all information related to compensation in Part VII and Schedule J. Once the return has been through the committees who review certain sections, the tax return is presented to the Audit Committee for review and approval. After the audit committee approves the tax return, an electronic message is sent to all Board members with a secured link to the tax return. The Board has the opportunity to review the return and if any issues arise, they can bring them to the appropriate executive management individuals. The return is only filed after each of the steps in the review process is complete. Form 990, Part VI, Line 12c Monitoring &amp; Enforcement of Conflict of Interest Policy The Office of General Counsel, the Assistant Secretary of the Board, and the Tax Department drafts a Conflict of Interest Disclosure Questionnaire each year and has all trustees, officers, and key employees fill out a questionnaire in regards to their personal situation and personal and business relationships. The Assistant Secretary compiles the list of Disclosures and gathers financial data from the Accounts Payable and Payroll Department for all organizations, employees, independent contractors, and other miscellaneous transactions which were disclosed by all individuals. Once all of this information is complied, the Office of General Counsel and the Tax Department goes through each transaction and disclosure to determine what needs to be disclosed on the tax return. The Tax Department and the Office of General Counsel also discusses if there are any other known transactions that have not been disclosed. If there are any questions regarding such situation, the Office of General Counsel and the Assistant Secretary will discuss the questions with the individual trustees involved. In addition the process described above, the governance committee of the board of directors annually reviews the conflict of interest disclosures and they address any issues that may arise. The governance committee is also responsible to bring any major issues related to the conflict of interest policy to the executive committee and the entire Board if deemed necessary. Per DFCI and Affiliate's conflict of interest policy, in order to avoid a conflict of interest or an appearance of a conflict of interest: 1. A Trustee should not participate in a vote on a transaction in which the Trustee or family member has a financial interest and should disclose any potential conflict before DFI acts on the transaction. 2. A Trustee, a member of his or her family, or an entity with which one or more of them has a material interest, may not do business with DFI unless expressly authorized by DFI after full disclosure. 3. A Trustee should fully disclose his or her association (including employment, consulting, or membership on a governing board by the Trustee or a family member) with an entity that competes with or has interests conflicting with those of DFI and should refrain from participating in any vote of other the organization if the vote affects DFI. Part VI, Question 19 Governing Documents We currently provide the governing documents upon request. We are reviewing our internal procedures to determine the best process to make our Governing Documents widely available. Conflict of Interest Policy DFI's Conflict of Interest Policy can be found within Dana-Farber Cancer Institute, Inc. &amp; its Affiliates Code of Conduct, which is available on its website. Financial Statements We currently provide the audited financial statements upon request. We are reviewing our internal procedures to determine the best process to make our audited financial statements widely available. Part VII Individuals who receive compensation from related organizations work a total of 50 hours between DFI and the related organization. Part XII Line 5 Other Changes in net assets include: Net unrealized loss on investments ($14,583,893) Transfer of net assets to DFCI $(22,737,910)</Explanation>
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      <GeneralExplanation>
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        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Edward J. Benz, Jr. MD TITLE:President, CEO, Trustee HOURS:50</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Dorothy E. Puhy TITLE:Assistant Treasurer HOURS:50</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>HOURS DEVOTED FOR RELATED ORGANIZATION</Identifier>
        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Richard S. Boskey, Esq TITLE:Assistant Secretary HOURS:50</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
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        <ReturnReference>FORM 990 PART VII</ReturnReference>
        <Explanation>NAME:Kathleen Harkey TITLE:Assistant Secretary HOURS:40</Explanation>
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