Sixth Street Specialty Lending, Inc. (NYSE:TSLX, or the "Company")) today sent the following letter to its stakeholders.

Please view a printable version of the letter here.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260317477984/en/

Investors:

Cami Senatore, 469-621-2033

Sixth Street Specialty Lending

IRTSLX@sixthstreet.com

Media:

Patrick Clifford, 617-793-2004

Sixth Street

PClifford@sixthstreet.com