SOUTHERN TRUST COMPANY, INC. 6100 Red Hook Quarter, B3 St. Thomas, USVI 00802 May 2013 Leon Black Apollo Management 9 West 57th Street, 43rd Floor New York, NY 10019 Re: Additional Compensation for Services Dear Leon: Reference is made to that certain letter agreement dated May 2013 by and among the undersigned, Jeffrey Epstein ("Mr. Epstein") and Southern Trust Company, Inc., a Virgin Islands corporation ("STC"), and you, Leon Black ("Mr. Black"), regarding the provision by Mr. Epstein and STC to Mr. Black of certain Proprietary Services (as defined and described therein) (the "May 2013 Agreement"). STC, Mr. Epstein and Mr. Black have agreed that Mr. Black shall pay STC additional consideration (the "Additional Consideration") in respect of the Proprietary Services in accordance with the following provisions: I. DEFINITIONS. Capitalized terms used herein but not othenvise defined herein shall have the meanings ascribed to those terms in the May 2013 Agreement. 2. DETERMINATION OF ADDITIONAL CONSIDERATION. (a) Review of Benefits. By no later than June IS, 2014, Mr. Epstein and Mr. Black will jointly and in good faith complete a review and evaluation of the Proprietary Services provided under the May 2013 Agreement to reasonably determine the value of the benefits conferred upon Mr. Black and his Affiliates as a result of the Proprietary Services (the "Benefits"), and the amount of any Additional Consideration due and payable by Mr. Black to STC in respect of such Benefits, calculated as provided in Section 2(b) hereof. By no later than June 15 of each of the next ten (10) consecutive calendar years thereafter, Mr. Epstein and Mr. Black shall again jointly and in good faith complete a review and evaluation of the Proprietary Services to reasonably determine the value of any additional benefits so conferred over and above the Benefits (or over and above any additional benefits determined to have been conferred in the immediately pre