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GRAPHIC PACKAGING HOLDING CO

For the period ended Sep 28, 2026. Filed Sep 28, 2026.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Sep 28, 2026 · Filed Sep 28, 2026

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GPK$11.19-3.0%Stored close · as of Nov 6, 2026
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EX-99.1 · PROXY STATEMENT

Proxy Statement. 13

We Take Investor Feedback Seriously Three governance changes sought by stockholders since 2024 have been put to a vote and all three are now in effect How We Engage We engage regularly with shareholders to gather input on critical issues impacting our business and society Our CEO, CFO and members of our investor relations team maintain extensive ongoing contact with investors Our governance framework supports engagement: independent Board chair, majority vote and director resignation policy, and no supermajority voting provisions Stockholder Support At The 2026

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.