On May 6, 2024 (the 2024 Amendment Date"), Horizon Funding I, LLC (the Issuer") and Horizon Technology Finance Corporation (the Company"), executed a Fourth Supplemental Indenture by and among the Issuer and U.S. Bank Trust Company, National Association, as successor in interest to U.S. Bank National Association as trustee (the Trustee") (the Fourth Supplemental Indenture"), which amended that certain Indenture by and among the Issuer and the Trustee, dated as of June 1, 2018 (the Indenture"), which extended the Legal Final Payment Date to June 2030. Concurrently, the Issuer entered into the Fourth Amended and Restated Note Funding Agreement by and among the Issuer and the Initial Purchasers (as defined therein) (the Fourth A&R Note Funding Agreement"). In addition, the Company entered into that certain Amendment No.

5 to Sale and Servicing Agreement by and among the Issuer, the Company, Horizon Secured Loan Fund I LLC (HSLFI"), the Trustee and U.S. Bank National Association (U.S. Bank") (the Amendment No. 5"), which amended that certain Sale and Servicing Agreement by and among the Issuer, the Company, HSLFI, and U.S. Bank, dated as of June 1, 2018 (as amended, the Sale and Servicing Agreement"). The Amendment No.

5, among other things, (1) amended the Interest Rate for borrowings made after the 2024 Amendment Date, fixing the Interest Rate at the greater of (i) 4.60% and (ii) the Pricing Benchmark plus 3.20% with the Interest Rate to be reset on any Advance Date (as defined therein) according to the terms therein, (2) extended the term of the Investment Period Termination Date from June 5, 2024 to June 5, 2025 or such later date upon the mutual agreement of HSLFI and the Noteholders (as defined therein), and (3) extended the Legal Final Payment Date from June 2029 to June 2030.