Castellum and Tradewinds Networks Announce Execution of Reseller Agreement

Innovative AI-driven Technology Solutions

VIENNA, Va., August 19, 2025 (GLOBE NEWSWIRE) -- Castellum, Inc. (the “Company” and “Castellum”) (NYSE-American: CTM), and Tradewinds Networks Incorporated (“Tradewinds”) are pleased to jointly announce that the Company’s newly formed product subsidiary, Castellum Advanced Technology Products, Inc. has entered into a reseller agreement (the “Reseller Agreement”) with Tradewinds to resell their products to Castellum's clients. Castellum will focus on reselling Tradewinds GuardTower AI products for intelligent cybersecurity management and support.

“We are proud to partner with Tradewinds and their GuardTower product to bring our customers the superior protection they deserve powered by their innovative AI-driven cybersecurity solutions, including advanced AI with hardware-based solutions to mimic vulnerabilities.” said Drew Merriman, Chief Operating Officer of Castellum. “This partnership is exactly why we created Castellum Advanced Technology Products, Inc., to work with industry leaders like Tradewinds and deliver advanced capabilities that help our customers stay ahead of evolving threats and operate with confidence.”

“Our alliance with Castellum brings together GuardTower’s proactive, AI-driven cyber defense and their proven expertise in safeguarding mission-critical national security, military, and commercial systems. By uniting AI-driven threat detection, data intelligence, and resilient edge protection, we are delivering unmatched visibility and control – fortifying vital infrastructure against tomorrow’s threats before they can take hold." – John Santoyo, CEO, Tradewinds Networks.

Tradewinds Networks Incorporated

Tradewinds Networks, Inc. (TNI) is a leading provider of innovative networking and cybersecurity solutions. With a focus on value creation and data protection, TNI builds sustainable networks based on Owner-Hosted and City-Hosted business models, and Enhanced Data Protection (GuardTower). The company's vertically integrated approach ensures control over the entire supply chain, delivering reliable and secure solutions to clients - www.tradewindsnetworks.com/.

About Castellum, Inc. (NYSE-American: CTM):

Castellum, Inc. (NYSE-American: CTM) is a cybersecurity, electronic warfare, and software engineering services company focused on the federal government - https://castellumus.com/.

Forward-Looking Statements:

This release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All forward-looking statements are inherently uncertain, based on current expectations and assumptions concerning future events or future performance of the company. Readers are cautioned not to place undue reliance on these forward-looking statements, which are only predictions and speak only as of the date hereof. Words such as “will,” “would,” “believe,” and “expects,” and similar language or phrasing are indicative of forward-looking statements. These forward-looking statements are subject to risks, uncertainties, and other factors, many of which are outside of the Company’s control, that could cause actual results to differ (sometimes materially) from the results expressed or implied in the forward-looking statements, including, among others: the Company’s ability to generate revenue from the Reseller Agreement, the Company’s ability to effectively integrate and grow its acquired companies; its ability to identify additional acquisition targets and close additional acquisitions; the impact on the Company's revenue due to a delay in the U.S. Congress approving a federal budget, operating under a prolonged continuing resolution, government shutdown, or breach of the debt ceiling, as well as the imposition by the U.S. government of sequestration in the absence of an approved budget; the ability of the U.S. federal government to unilaterally cancel a contract with or without cause, and more specifically, the potential impact of the U.S. DOGE Service Temporary Organization on government spending and terminating contracts for convenience. In evaluating such statements, prospective investors should review carefully various risks and uncertainties identified in Item 1A. “Risk Factors” section of the Company’s recently filed Form 10-Q, Item 1A. "Risk Factors” in the Company’s most recent Form 10-K, and other filings with the Securities and Exchange Commission which can be viewed at www.sec.gov. These risks and uncertainties, or not closing the described potential equity financing in this press release, could cause the Company's actual results to differ materially from those indicated in the forward-looking statements. Except to the extent required by law, we undertake no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, a change in events, conditions, circumstances or assumptions underlying such statements, or otherwise.

Castellum Contact:

Glen Ives

President and Chief Executive Officer

Phone: (703) 752-6157

info@castellumus.com

https://castellumus.com