ATLANTA, GA – – (Globe Newswire – July 27, 2026) – – A shareholder class action lawsuit has been filed against GPGI, Inc. (“GPGI”) (NYSE: GPGI) f/k/a CompoSecure, Inc. The lawsuit alleges that Defendants made false and misleading statements and/or failed to disclose material adverse facts regarding GPGI’s business, operations, and financial condition, including allegations that: (a) Defendants had materially overstated the value of Husky Technologies Limited (“Husky”); (b) Husky was not on track to achieve the revenue and Adjusted EBITDA targets provided in the Proxy Statement and such targets lacked a reasonable basis in objective fact; and (c) a primary motivation of the Husky Acquisition was to generate millions of dollars in fees for Resolute Holdings and the Individual Defendants, rather than to create long-term value for CompoSecure shareholders.

If you purchased GPGI shares between November 3, 2025 and May 6, 2026, and experienced a loss on that investment, you are encouraged to discuss your legal rights by contacting Corey D. Holzer, Esq. at cholzer@holzerlaw.com or Marshall P. Dees, Esq. at mdees@holzerlaw.com, by toll-free telephone at (888) 508-6832, or by visiting the firm’s website at www.holzerlaw.com/case/gpgi/ for more information.

The deadline to ask the court to be appointed lead plaintiff in the case is September 14, 2026.