MCLEAN, VA / ACCESS Newswire / September 15, 2025 / Gladstone Capital Corporation (Nasdaq:GLAD) (the "Company") today announced that it plans to redeem all of its outstanding 5.125% Notes due 2026 (the "2026 Notes") on October 31, 2025 and all of its outstanding 7.75% Notes due 2028 (the "2028 Notes") on October 15, 2025. A notice of redemption will be mailed to all registered holders of the 2026 Notes and the 2028 Notes by U.S. Bank Trust Company, National Association (the "Trustee"), in accordance with the terms of the Indenture, dated as of November 6, 2018, between the Company and the Trustee, and Section 1.01(g) of each of the Third Supplemental Indenture dated as of December 15, 2020 and the Fifth Supplemental Indenture dated as of August 17, 2023 (collectively, the "Indenture"). The 2026 Notes redemption date is October 31, 2025 and the 2028 Notes redemption date is October 15, 2025 (each, a "Redemption Date"). The redemption price for the 2026 Notes equals 100% of the $150,000,000 aggregate principal amount of the 2026 Notes being redeemed plus accrued and unpaid interest, if any, to, but excluding, the applicable Redemption Date. The redemption price for the 2028 Notes equals 100% of the $57,000,000 aggregate principal amount of the 2028 Notes being redeemed, plus accrued and unpaid interest otherwise payable for the then-current quarterly interest period accrued to, but excluding, the applicable Redemption Date. In connection with the redemption, the 2028 Notes will be delisted from the Nasdaq Global Select Market.

This communication does not constitute a notice of redemption under the terms of the Indenture, nor an offer to tender for, or purchase of, any 2026 Notes, 2028 Notes or any other security.

About Gladstone Capital Corporation: Gladstone Capital Corporation is a publicly traded business development company that invests in debt and equity securities consisting primarily of secured first and second lien term loans to lower middle market businesses in the United States.

Forward-Looking Statements

This press release contains statements as to the Company's intentions and expectations of the outcome of future events that are forward-looking statements. You can identify these statements by the fact that they do not relate strictly to historical or current facts. Forward-looking statements are not guarantees of future performance and involve known and unknown risks, uncertainties and other factors that may cause the actual results to differ materially from those anticipated at the time the forward-looking statements are made. These statements relate to the redemption of its 2026 Notes and 2028 Notes. Completion of the transaction on the terms described above is subject to numerous conditions, many of which are beyond the control of the Company, and such transaction may not be completed on the terms described, or at all. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. For a description of certain risks to which the Company is or may be subject, please refer to the factors discussed under the captions "Forward-Looking Statements" and "Risk Factors" included in the Company's filings with the Securities and Exchange Commission (accessible at www.sec.gov).

CONTACT: Investor Relations Inquiries: Please call (703) 287-5893

SOURCE: Gladstone Capital Corporation