GLDUS1 B3 Dimension Capital Management Proprietary and Confidential — Supplement to the Confidential Private Placement Memorandum GLENDOWER ACCESS SECONDARY OPPORTUNITIES IV (U.S.), L.P. AN "ACCESS FUND" INTO GLENDOWER CAPITAL SECONDARY OPPORTUNITIES FUND IV, LP (For Investors referred by Deutsche Bank Securities Inc.) OFFERING OF LIMITED PARTNER INTERESTS April 2018 This supplement (the "Supplement') may only be distributed in conjunction with the Confidential Private Placement Memorandum dated January 2018 (the 'Memorandum') relating to the offering of limited partnership interests (the "Interests') in Glendower Access Secondary Opportunities IV (US), L.P. (the "Access Fund"), which is hereby incorporated by reference. Potential investors considering the purchase of Interests in the Access Fund should carefully review this Supplement and the Memorandum. CONFIDENTIAL - PURSUANT TO FED. R. CRIM. P. 6(e) DB-SDNY-0038642 CONFIDENTIAL SDNY GM_00184826 EFTA01354049