Sixth Street Specialty Lending (TSLX) 10-Q 2012 Q2 Quarterly report

Exhibit 32

Certification of CEO and CFO Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the quarterly report on Form 10-Q of TPG Specialty Lending, Inc. (the “Company”) for the quarterly period ended June 30, 2012, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Michael Fishman, as Chief Executive Officer of the Company, and John Viola, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to such officer’s knowledge:

(1) The Report 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 Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Michael Fishman
Name:	Michael Fishman
Title:	Chief Executive Officer
Date:	August 13, 2012
/s/ John E. Viola
Name:	John E. Viola
Title:	Chief Financial Officer
Date:	August 13, 2012

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