Horizon Technology Finance Corporation (NASDAQ: HRZN) (“Horizon”) (the “Company”), an affiliate of Monroe Capital, today announced it has provided a delayed draw senior credit facility to Stellar Cyber, Inc. (“Stellar Cyber”) of up to $25 million to support continued growth.

Stellar Cyber has developed an AI-native, open and unified security operations platform that helps organizations more efficiently detect and respond to cyber threats by consolidating security data in a single, unified environment. The platform is purpose-built to serve managed security service providers (“MSSP”) and enterprise security teams, offering more than 500 integrations with third-party security tools out of the box. Through its MSSP partners, Stellar Cyber’s technology supports over 14,000 organizations across more than 50 countries. Stellar Cyber is backed by top-tier investors, including Highland Capital Partners, Susquehanna Ventures and Valley Capital Partners.

“Deploying growth capital to innovative, high-growth companies with proven market momentum and a clear path to scale is a core focus of Horizon's venture lending platform,” said Paul Seitz, CIO of Horizon. “Our financing solutions are designed to support leading technology and growth businesses as they expand and execute on their strategic objectives. We look forward to continuing to partner with exceptional management teams across the innovation economy.”

“Horizon’s deep capabilities in venture lending and their partnership approach made them a natural fit for Stellar Cyber at this stage of our growth,” said Changming Liu, Co-Founder and Chief Executive Officer of Stellar Cyber. “This credit facility will allow us to accelerate our AI-driven platform development, expand our go-to-market reach, and continue delivering the open, unified security operations capabilities on which MSSPs and enterprise security teams depend.”

About Horizon Technology Finance

Horizon Technology Finance Corporation (NASDAQ: HRZN), externally managed by Horizon Technology Finance Management LLC, an affiliate of Monroe Capital, is a leading specialty finance company that provides capital in the form of secured loans to venture capital and private equity-backed companies and publicly traded companies in the technology, life science, healthcare information and services, and sustainability industries. The investment objective of Horizon is to maximize its investment portfolio’s return by generating current income from the debt investments it makes and capital appreciation from the warrants it receives when making such debt investments. Horizon is headquartered in Farmington, Connecticut, with a regional office in Pleasanton, California, and investment professionals located throughout the U.S. Monroe Capital is a premier asset management firm specializing in private credit markets across various strategies, including direct lending, technology finance, venture debt, opportunistic, structured credit, real estate and equity. To learn more, please visit horizontechfinance.com.

About Stellar Cyber

Stellar Cyber is the only AI-driven SecOps platform purpose-built for MSSPs and enterprise security teams. Since 2015, we’ve been illuminating the darkest corners of cybersecurity to help organizations see every threat, know what matters most, and act with speed and confidence — always with the human in the loop.

By applying the right tool to the right problem, Stellar Cyber combines machine learning to uncover hidden anomalies, agentic AI to guide responses in real time, and human-augmented decision-making where expertise is essential. The result is real-world impact: analyst productivity improved by more than 80%, false positives reduced by over 90%, and security teams free to focus on what matters.

Our award-winning, open SecOps platform unifies SIEM, NDR / OT, ITDR / UEBA, detection, investigation, triage, response, and Multi-Layer AI™ all in one platform. Stellar Cyber is trusted by one-third of the world’s top 250 MSSPs and over 14,000 organizations worldwide.

Learn more at stellarcyber.ai.

Forward-Looking Statements

Statements included herein may constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Statements other than statements of historical facts included in this press release may constitute forward-looking statements and are not guarantees of future performance, condition or results and involve a number of risks and uncertainties. Actual results may differ materially from those in the forward-looking statements as a result of a number of factors, including those described from time to time in Horizon’s filings with the Securities and Exchange Commission. Horizon undertakes no duty to update any forward-looking statement made herein. All forward-looking statements speak only as of the date of this press release.

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