Gladstone Investment Corporation supports Detroit Defense's merger with Athenix Solutions Group. By ValueTheMarkets Sep 28, 2026 MCLEAN, VA / ACCESS Newswire / September 28, 2026 / Gladstone Investment Corporation (Nasdaq:GAIN) ("Gladstone Investment") is pleased to announce its continued investment in Detroit Defense ("DD"), providing additional debt and equity capital to support the company's merger with Athenix Solutions Group ("Athenix"). DD, based in Troy, Michigan, is an engineering services and systems integration firm focused on helping Department of War customers solve technical hurdles to modernizing, managing, and maintaining the fleet. Athenix, with primary locations in Fulton, Maryland and Tampa, Florida, brings systems engineering, software development, intelligence and cyber operations support, and special mission readiness for the Intelligence Community and Department of War, across special operations, cyber, and mission systems. The combination brings together two companies with complementary capabilities and customer-oriented cultures. "The Athenix team shares our approach: putting the mission first and solving complex problems through long duration, full lifecycle solutions," said Pete Roney, Chief Executive Officer of DD. "The merger with Athenix is a highly strategic investment for DD and an important step in building out the platform to provide mission-critical services to the military and government communities," said Christopher Lee, Executive Vice President of Gladstone Investment. Gladstone Investment is a publicly traded business development company that seeks to make equity and secured debt investments in lower middle market businesses in connection with acquisitions, changes in control, and recapitalizations. Additional information on the transaction can be found at www.gladstoneinvestment.com. For Investor Relations inquiries related to any of the monthly dividend paying Gladstone funds, please visit www.gladstone.com. Forward-looking Statements: The statements in this press release regarding the longer-term prospects of Gladstone Investment and DD and its management team, and the ability of Gladstone Investment and DD to grow and expand are "forward-looking statements." These forward-looking statements inherently involve certain risks and uncertainties in predicting future results and conditions. Although these statements are based on Gladstone Investment's current plans that are believed to be reasonable as of the date of this press release, a number of factors could cause actual results and conditions to differ materially from these forward-looking statements, including those factors described from time to time in Gladstone Investment's filings with the Securities and Exchange Commission. Gladstone Investment undertakes no obligation to update or revise these forward-looking statements whether as a result of new information, future events or otherwise, except as required by law. For further information: Gladstone Investment Corporation, (703) 287-5893 A sharper way to see the markets in just 5 minutes. Same news, different lens. Value The Markets cut through the noise and hand you the overlooked ideas and the deeper read the crowd misses. Join 38,000+ investors seeing the markets differently. Important notice and disclaimer. This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.

Detroit Defense announced its acquisition of Athenix Solutions Group. Detroit Defense announced today its acquisition of Athenix Solutions Group, bringing together two national security mission-focused organizations to deliver expanded, end-to-end advanced systems integration and technology development capabilities for the nation's most critical defense and intelligence requirements. DETROIT, September 24, 2026 (Newswire.com) - Detroit Defense announced today its acquisition of Athenix Solutions Group, bringing together two national security mission-focused organizations to deliver expanded, end-to-end advanced systems integration and technology development capabilities for the nation's most critical defense and intelligence requirements. This acquisition strengthens Detroit Defense's ability to deliver integrated, mission-ready capability across the full operational spectrum. Athenix Solutions Group has built a reputation as a partner to "tip-of-the-spear" customers, supporting missions where failure is not an option. They bring a deep expertise in mission systems engineering, software development, special operations and intelligence support, cyber operations, and mission readiness solutions, enhancing Detroit Defense's ability to execute in complex, high contested environments. This partnership represents a decisive step forward in Detroit Defense's commitment to supporting customers operating at the edge - where speed, precision, agility, and reliability are non-negotiable. By integrating Athenix's Intelligence Community and Special Operation support capabilities with Detroit Defense's operational scale, this acquisition delivers a stronger, faster, and more adaptive mission partner, closing the gap between requirements and execution with solutions that perform in real-world conditions. "Athenix is a natural fit for Detroit Defense," said Pete Roney. "They bring the technical strength and mission understanding that align with how we operate. This acquisition expands our ability to deliver the right capability, at the right time, to the customers who depend on it." Athenix is a trusted partner to the Intelligence Community and Department of War, delivering mission-focused solutions that enhance operational performance, strengthen security, and improve force readiness. Its lifecycle approach spanning development through deployment ensures capability is not only built, but delivered and sustained in the field. Detroit Defense brings Athenix the added dimension of Systems Engineering & Platform Integration at scale. With this acquisition, Detroit Defense expands its capabilities in: * Advanced engineering and software development for mission-critical systems * Intelligence and cyber operational support, including analytics and mission execution * Special mission training and readiness solutions tailored to operational environments "Athenix was purpose-built to support missions that cannot fail," said Gene Colabatistto, CEO of Athenix Solutions Group. "Joining Detroit Defense allows us to bring expanded capability, more quickly, to the missions that matter most." By combining operational experience, advanced technology, systems engineering & integration skills, and mission-first culture, Detroit Defense will deliver enhanced outcomes for customers facing the most complex national security challenges - today and into the future. About Detroit Defense At Detroit Defense, we ensure success for the DoW and its allies with innovative systems, technical services, and integrated logistics for any military system. From fielding advanced safety systems to synchronizing digital logistics across domains, we excel at turning complex challenges into operational advantages. Our mission-focused approach enhances readiness, extends platform effectiveness, and delivers decision dominance. As an OEM-agnostic solution provider, we can bring cutting-edge capability to legacy systems, enabling seamless integration of next-gen capabilities across forces. With Detroit Defense, succeed with the capabilities that the mission demands. Detroit Defense. Behind the Mission. Beyond the Challenge. About Athenix Solutions group Athenix Solutions Group is a national security company providing a full-cycle of systems engineering, software development, intelligence and cyber operations support, and special mission readiness solutions to defense and intelligence customers. The company delivers practical, mission-driven solutions that enhance performance, readiness, and operational effectiveness.

Detroit Defense has acquired Athenix Solutions Group, expanding its systems engineering, software development, intelligence, cyber operations and special mission capabilities... Read More