On August 2, 2022, the board of trustees of Blackstone Secured Lending Fund appointed William Renahan as the Chief Compliance Officer of the Fund effective August 3, 2022. Prior to joining Blackstone on May 2, 2022 as a Managing Director, Mr. Renahan had been working in the Investment Management industry for over 25 years. He has previously been an associate in the New York office of Battle Fowler LLP (which subsequently merged into Paul Hastings LLP). He also served for approximately 13 years at Legg Mason and predecessor firms as a Managing Director and Senior Counsel. Mr. Renahan's position immediately prior to joining Blackstone was Senior Managing Director and Chief Compliance Officer of Duff & Phelps Investment Management and its affiliated funds. Mr. Renahan replaces Marisa J. Beeney as the Chief Compliance Officer of the Fund. Ms. Beeney will continue to serve as Chief Legal Officer and Secretary of the Fund.