Sixth Street Specialty Lending, Inc. Announces Fourth Quarter 2023 Base Dividend, Payable on December 29, 2023

Sixth Street Specialty Lending, Inc. is a specialty finance company focused on lending to middle-market companies. The Company seeks to generate current income primarily in United States-domiciled middle-market companies through direct originations of senior secured loans and, to a lesser extent, originations of mezzanine and unsecured loans and investments in corporate bonds, equity securities, and other instruments. The Company invests in first-lien debt, second-lien debt, mezzanine and unsecured debt and equity and other investments. The Company’s first-lien debt may include stand-alone first-lien loans, last out first-lien loans, unitranche loans and secured corporate bonds with similar features to these categories of first-lien loans. Its second-lien debt may include secured loans, and to a lesser extent, secured corporate bonds, with a secondary priority behind first-lien debt. The Company is managed by Sixth Street Specialty Lending Advisers, LLC (the Adviser).