On January 16, 2024, Sixth Street Specialty Lending, Inc. and U.S. Bank Trust Company, National Association (the " Trustee"), entered into a First Supplemental Indenture (the "First Supplemental Indenture") to the Indenture, dated as of January 16, 2024, between the Company and the Trustee (the "Base Indenture; and together with the First Supplemental Indenture, the "Indenture"), relating to the Company's issuance, offer and sale of $350,000,000 aggregate principal amount of its 6.125% notes due 2029 (the " Notes"). The Notes will mature on March 1, 2029, and may be redeemed in whole or in part at the Company's option at any time at the redemption prices set forth in the First Supplemental Indenture. (collectively, Sanctions, and each such subject or target, a Sanctioned Person), nor is the Company or any of its subsidiaries located, organized or resident in a country or territory that is the subject or the target of Sanctions, including, without limitation, Ukraine, Russia, Syria, and the occupied Donetsk, Luhansk, and Ukraine regions of Ukraine, that broadly prohibit dealings with that country or territory (each, a Sanctioned Territory); and the Company will not directly or indirectly use the proceeds of the offering of the Securities hereunder, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person or entity to fund or facilitate any activities of or business with any person, or in any country or territory, that, at the time of such funding or facilitation, is a Sanctioned Person or Sanctioned Territory in each case, in any manner that will result in a violation by any person (including any person participating in the transaction, whether as underwriter, advisor, investor or otherwise) of Sanctions.

Since the inception of the Company, the Company and its subsidiaries have not materially engaged in, and are not now intentionally engaged in, any dealings or transactions with any person that at the time of the dealing or transaction is or was a Sanctioned Person or with any Sanctioned Territory. Blue Sky Compliance. The Company will use commercially reasonable efforts, in cooperation with the Representative, to qualify the Securities for offer and sale under the securities or Blue Sky laws of such jurisdictions as the Representative shall reasonably request and will continue such qualifications in effect so long as required for distribution of the Securities; provided that the Company shall not be required to (i) qualify as a foreign corporation or other entity or as a dealer in securities in any such jurisdiction where it would not otherwise be required to so qualify, (ii) file any general consent to service of process in any such jurisdiction or (iii) subject itself to taxation in any such jurisdiction if it is not otherwise so subject.

(h) Earning Statement. (k) Holders of the Notes will not have the option to have the option to have the Notes repaid prior to the Stated Maturity other than in accordance with Article Thirteen of the Indenture. Section 2.01.