Graphic Packaging Holding Company

Background

Company Name	Graphic Packaging Holding Company
Stock Symbol	GPK

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If you suffered a loss on your Graphic Packaging Holding Company investments or would like to inquire about joining an action to recover your loss under the federal securities laws, please complete the form below. Please note that submission of this form does not by itself form an attorney-client relationship nor does filing out this form mean you have joined any lawsuit.

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Shares Purchased

Number of Shares	Buy Date	Price Per Share	Add
Purchased quantity	Purchased month Purchased day Purchased year

Shares Sold

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	Sold month Sold day Sold year

Additional Comments

Background

In December 2025, a shareholder owning 4.2% of the Company’s stock issued a letter in response to Graphic Packaging’s announcement that Robbert E. Rietbroek would replace Michael Doss as CEO. Weeks later, the Company’s Executive Vice President and General Counsel departed her roles.

Our investigation concerns whether the Company’s board of directors breached its fiduciary duties to shareholders and/or grossly mismanaged the Company in connection with the above events.

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