 NEW YORK--BUSINESS WIRE--Sixth Street Specialty Lending, Inc. NYSE: TSLX, or the Company today reported financial results for the first quarter ended March 31, 2021. Please view a printable version of the 2021 First Quarter Results. Conference Call Information: A conference call to discuss the Companys financial results will be held live at 8:30 a.m. Eastern Time on May 5, 2021. Please visit TSLXs webcast link located on the Events Presentations page of the Investor Resources sect 