 NEW YORK--BUSINESS WIRE--Sixth Street Specialty Lending, Inc. NYSE: TSLX TSLX or the Company announced today that it will release its financial results for the fourth quarter and fiscal year ended December 31, 2020 on Wednesday, February 17, 2021, after the market closes. TSLX invites all interested persons to its webcast conference call on Thursday, February 18, 2021 at 8:30 a.m. Eastern Time to discuss its fourth quarter and fiscal year ended December 31, 2020 financial results. C 