Sosin, LLC 1745 Broadway, FL-17 New Yorlc, NY 10019 [INVESTOR] [ADDRESS] Re: Sosin Partners, LP (the "Fund") Ladies and Gentlemen: [MONTH] 2017 In connection with the purchase by [INVESTOR] (the "Investor") of limited partner interests in the Fund, Sosin, LLC, the general partner of the Fund (the "General Partner"), has agreed to provide the Investor with this letter agreement (the "Agreement") which supplements certain of the terms and provisions of the Amended and Restated Limited Partnership Agreement of the Fund dated as of [September 9, 2014] (the "Fund Agreement"). This Agreement, along with the Fund Agreement and the subscription documents and subscription agreement (collectively, the "Subscription Agreement"), contains the entire agreement among the parties hereto with respect to the subject matter hereof, and supersedes all prior and contemporaneous agreements, understandings, inducements or conditions, express or implied, oral or written. Capitalized terms used but not defined herein have the meanings ascribed to them in the Fund Agreement. Notwithstanding any contrary or inconsistent terms contained in the Fund Agreement, the parties hereto agree that the terms enumerated below shall apply with respect to the Investor's investment in the Fund. 1. Management Fee. a. Loyalty and Capital Account Discounts. During such time when the Net Asset Value of the Fund as of the last Business Day of any given calendar quarter and the last Business Day of the preceding calendar quarter equals or exceeds $100 million indexed to the nominal GDP as of December 31, 2015 (excluding the Capital Account balances of Clifford A. Sosin (the "Key Person") and his affiliates (which shall include Capital Accounts controlled by the Key Person and Capital Accounts of the Key Person's family members), and any employees of the General Partner or CAS Investment Partners, LLC, the manager of the Fund (the "Manage?) (collectively with the Key Person and hi