Blackstone Secured Lending Fund (BXSL) 10-Q 2024 Q2 Quarterly report

Exhibit 32.3

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned, as Chief Financial Officer of Blackstone Secured Lending Fund (the “Company”), does hereby certify that to the undersigned’s knowledge:

(1)the Company’s Form 10-Q for the quarter ended June 30, 2024 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)the information contained in the Company’s Form 10-Q for the quarter ended June 30, 2024 fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 7, 2024

By:	/s/ Teddy Desloge
	Teddy Desloge
	Chief Financial Officer

*The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and is not being filed as part of the Report or as a separate disclosure document.