Sixth Street Specialty Lending, Inc. Prices Public Offering of $350.0 million 6.125% Unsecured Notes due 2029 - Seite 2

A shelf registration statement relating to these securities is on file with the SEC and is effective. The offering may be made only by means of a preliminary prospectus supplement and an accompanying prospectus, copies of which may be obtained from BofA Securities, Inc., NC1-022-02-425, 201 North Tryon Street, Charlotte, NC 28255-0001, attn: Prospectus Department, email: [e-mail], telephone: [phone].

About Sixth Street Specialty Lending, Inc.

TSLX is a specialty finance company focused on lending to middle-market companies. The Company seeks to generate current income primarily in U.S.-domiciled middle-market companies through direct originations of senior secured loans and, to a lesser extent, originations of mezzanine loans and investments in corporate bonds and equity securities. The Company has elected to be regulated as a business development company, or BDC, under the Investment Company Act of 1940 and the rules and regulations promulgated thereunder. TSLX is externally managed by Sixth Street Specialty Lending Advisers, LLC, an SEC registered investment adviser. TSLX leverages the deep investment, sector, and operating resources of Sixth Street Partners, LLC, a global investment firm with over $75 billion of assets under management and committed capital.

Forward-Looking Statements

Statements included herein may constitute “forward-looking statements,” which relate to future events or the Company’s future performance or financial condition. These forward-looking statements are not historical facts, but rather are based on current expectations, estimates and projections about the Company, its current and prospective portfolio investments, its industry, its beliefs and opinions, and its assumptions. Words such as “anticipates,” “expects,” “intends,” “plans,” “will,” “may,” “continue,” “believes,” “seeks,” “estimates,” “would,” “could,” “should,” “targets,” “projects,” “outlook,” “potential,” “predicts” and variations of these words and similar expressions are intended to identify forward-looking statements. These statements are not guarantees of future performance and are subject to risks, uncertainties and other factors, some of which are beyond the Company’s control and difficult to predict and could cause actual results to differ materially from those expressed or forecasted in the forward-looking statements including, without limitation, the risks, uncertainties and other factors identified in the Company’s filings with the SEC. Investors should not place undue reliance on these forward-looking statements, which apply only as of the date on which the Company makes them. The Company does not undertake any obligation to update or revise any forward-looking statements or any other information contained herein, except as required by applicable law.