GLADSTONE INVESTMENT CORPORATION\DE

Organization We were incorporated under the General Corporation Law of the State of Delaware on February 18, 2005. On June 22, 2005, we completed our initial public offering and commenced operations. We operate as an externally managed, closed-end, non-diversified management investment company and have elected to be treated as a BDC under the Investment Company Act of 1940, as amended (the 1940 Act ). For U.S. federal income tax purposes, we have elected to be treated as a RIC under Subchapter M of the Internal Revenue Code of 1986, as amended (the Code ). To continue to qualify as a RIC for U.S. federal income tax purposes and obtain favorable RIC tax treatment, we must meet certain requirements, including certain minimum distribution requirements. As of March 31, 2026, shares of our common stock, our 5.00% Notes due 2026 ( 5.00% 2026 Notes ), our 4.875% Notes due 2028 ( 4.875% 2028 Notes ), our 7.875% Notes due 2030 ("7.875% 2030 Notes") and our 7.125% Notes due 2031 ("7.125% 2031 Notes") are traded on the Nasdaq Global Select Market ( Nasdaq ) under the trading symbols GAIN, GAINN, GAINZ, "GAINI," and "GAING," respectively. Our 6.875% Notes due 2028 ("6.875% 2028 Notes") are not listed. Investment Adviser and Administrator We are externally managed by the Adviser, an affiliate of ours and an SEC-registered investment adviser, pursuant to an investment advisory and management agreement, as amended and/or restated from time to time (the Advisory Agreement ).