GPGI, CMPO FINAL DEADLINE: ROSEN, A LEADING LAW FIRM, Encourages GPGI, Inc. f/k/a CompoSecure, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important September 14 Deadline in Securities Class Action - GPGI, CMPO

New York, New York--(Newsfile Corp. - September 8, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of Class A common stock of GPGI, Inc. f/k/a CompoSecure, Inc. (NYSE: GPGI) (NYSE: CMPO) between November 3, 2025 and May 6, 2026, inclusive (the "Class Period"), of the important September 14, 2026 lead plaintiff deadline.

SO WHAT: If you purchased GPGI Class A common stock during the Class Period you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement.

WHAT TO DO NEXT: To join the GPGI class action, go to https://rosenlegal.com/cases/gpgi-inc/join or call Phillip Kim, Esq. toll-free at 866-767-3653 or email [e-mail] for information on the class action. A class action lawsuit has already been filed. If you wish to serve as lead plaintiff, you must move the Court no later than September 14, 2026. A lead plaintiff is a representative party acting on behalf of other class members in directing the litigation.

WHY ROSEN LAW: We encourage investors to select qualified counsel with a track record of success in leadership roles. Often, firms issuing notices do not have comparable experience, resources, or any meaningful peer recognition. Many of these firms do not actually handle securities class actions, but are merely middlemen that refer clients or partner with law firms that actually litigate the cases. Be wise in selecting counsel. The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm has achieved the largest ever securities class action settlement against a Chinese Company. Rosen Law Firm was Ranked No. 1 by ISS Securities Class Action Services for number of securities class action settlements in 2017. The firm has been ranked in the top 4 each year since 2013 and has recovered billions of dollars for investors. In 2019 alone the firm secured over $438 million for investors. In 2020, founding partner Laurence Rosen was named by law360 as a Titan of Plaintiffs' Bar. Many of the firm's attorneys have been recognized by Lawdragon and Super Lawyers.

DETAILS OF THE CASE: According to the lawsuit, throughout the Class Period, defendants made materially false and misleading statements and/or failed to disclose that: (1) defendants had materially overstated the value of Husky; (2) 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; (3) 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; and (4) as a result, defendants had materially misrepresented the business, prospects, and expected financial results of GPGI and Husky as a combined business. When the true details entered the market, the lawsuit claims that investors suffered damages.

To join the GPGI class action, go to https://rosenlegal.com/cases/gpgi-inc/join or call Phillip Kim, Esq. toll-free at 866-767-3653 or email [e-mail] for information on the class action.

No Class Has Been Certified. Until a class is certified, you are not represented by counsel unless you retain one. You may select counsel of your choice. You may also remain an absent class member and do nothing at this point. An investor's ability to share in any potential future recovery is not dependent upon serving as lead plaintiff.

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Attorney Advertising. Prior results do not guarantee a similar outcome.

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Contact Information:

Laurence Rosen, Esq.
Phillip Kim, Esq.
The Rosen Law Firm, P.A.
275 Madison Avenue, 40th Floor
New York, NY 10016
Tel: [phone]
Toll Free: [phone]
Fax: [phone]
[e-mail]
www.rosenlegal.com

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/313385

The CompoSecure Registered (A) Stock at the time of publication of the news with a raise of +2,05 % to 13,91USD on NYSE stock exchange (08. September 2026, 18:53 Uhr).

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