X0306 4 2020-01-29 0 0001736035 Blackstone / GSO Secured Lending Fund NONE 0001235138 JOYCE THOMAS M C/O GSO ASSET MANAGEMENT LLC, 31ST FLOOR 345 PARK AVENUE NEW YORK NY 10154 0 0 0 1 Trustee Common Shares of Beneficial Interest 2020-01-29 4 A 0 1912.78 26.14 A 12768.03 D The Issuer delivered a capital drawdown notice on January 15, 2020, and upon delivery of such capital drawdown notice, Mr. Joyce became obligated to make a capital contribution to purchase common shares at a price per share that was determined on January 29, 2020. /s/ Marisa J. Beeney, as Attorney-in-Fact 2020-01-31