NEW YORK–() – Sixth Street Specialty Lending, Inc. (NYSE: TSLX) (“TSLX” or “the Company”) announced today that it will release financial results for the first quarter ended March 31, 2021 on Tuesday, May 4, 2021 TSLX invites all interested to its webcast / conference call on Wednesday, May 5, 2021 at 8:30 a.m. Eastern Time to discuss its financial results for the first quarter ended March 31, 2021.

Conference Call Information:

The conference call will be webcast live at 8:30 a.m. Eastern Time in the Investor Resources section of the TSLX website at http://www.sixthstreetspecialtylending.com. Please visit the website to test your connection before the webcast.

Participants are also invited to join the conference call by dialing one of the following numbers:

Domestic: (877) 359-9508

International: +1 (253) 237-1122

Conference ID: 9277414

All callers will need to enter the conference ID followed by the # sign and the reference “Sixth Street Specialty Lending” when in contact with the operator. All callers are asked to dial 10 to 15 minutes before the call so that name and company information can be collected.

Review information:

An archived replay will be available from approximately May 5 to May 12 at noon Eastern Time via a webcast link located in the Investor Resources section of the TSLX website and through the phone numbers listed below. below:

Domestic: (855) 859-2056

International: +1 (404) 537-3406

Conference ID: 9277414

About Sixth Street Specialty Loans

Sixth Street Specialty Lending is a specialty finance company focused on lending to mid-market businesses. The Company seeks to generate current income primarily in mid-market companies domiciled in the United States through direct grants of senior secured loans and, to a lesser extent, grants of mezzanine loans and investments in debt securities. companies and equity securities. The Company elected to be regulated as a business development corporation, or BDC, under the Investment Companies Act of 1940 and the rules and regulations promulgated under it. The Company is managed externally by Sixth Street Specialty Lending Advisers, LLC, a subsidiary of Sixth Street and an investment adviser registered with the Securities and Exchange Commission (“SEC”). The company leverages the significant investment, industry and operating resources of Sixth Street, a global investment firm with more than $ 50 billion in assets under management and committed capital. For more information, visit the company’s website at www.sixthstreetspecialtylending.com.

About Sixth Street

Sixth Street is a global investment firm with over $ 50 billion in assets under management and committed capital. Sixth Street operates nine diverse collaborative investment platforms: TAO, Growth, Specialty Lending, Fundamental Strategies, Infrastructure, Opportunities, Insurance, Agriculture, and Credit Market Strategies. Our highly flexible and long-term oriented capital base and our “One Team” cultural philosophy allow us to invest thematically across all sectors, regions and asset classes. Founded in 2009, Sixth Street has over 320 team members, including more than 145 investment professionals operating from nine locations around the world. For more information visit www.sixthstreet.com.

Forward-looking statements

Statements included herein may constitute “forward-looking statements”, which relate to future events or the future performance or financial condition of the Company. These statements are not guarantees of future performance, conditions or results and involve a number of risks and uncertainties. Actual results may differ materially from forward-looking statements due to a number of factors, including those described from time to time in documents filed by the Company with the Securities and Exchange Commission. The Company assumes no obligation to update these forward-looking statements.