Sixth Street Specialty Lending announced possible share buybacks

In a letter to shareholders dated October 13, 2021, Sixth Street Specialty Lending announce they may buy back shares from time to time. Below is the text of their letter signed by Joshua Easterly, CEO.

October 13, 2021

Dear TSLX Stockholders:

In accordance with Section 23(c)(1) under the Investment Company Act of 1940, we are writing to advise you
that Sixth Street Specialty Lending, Inc. (“TSLX”) may repurchase shares of its common stock in the open
market from time to time.

We appreciate your continued support.