X0206 3 2019-01-24 1 0001736035 Blackstone / GSO Secured Lending Fund NONE 0001587381 USS Investment Management Ltd ROYAL LIVER BUILDING LIVERPOOL X0 L3 1PY UNITED KINGDOM 0 0 1 0 USS Investment Management Limited ("Reporting Person") serves as the investment manager for Universities Superannuation Scheme Ltd ("USSL") in its capacity as trustee for Universities Superannuation Scheme and in such capacity may be deemed to beneficially own for the purposes of Rule 16a-1(a)(1) ten percent or more of a class of the issuer's common stock; however, all applicable Common Stock is held by USSL in its capacity as trustee for Universities Superannuation Scheme and the Reporting Person has no reportable pecuniary interest therein. USS Investment Management Limited By: /s/ Victoria Timlin Title: Chief Compliance Officer 2019-01-31