Graham Packaging Company Inc. will host a conference call on Thursday, November 12, 2026, at 9:00 AM EST / 8:00 AM CST / 14:00 UTC to review its financial results for the quarter ended September 30, 2026.

The call will include prepared remarks and a question and answer session. Dial-in information and the presentation materials will be available to only our current investors, after approximately 7:00 pm ET on November 11, 2026, through the Syndtrak site managed by Wells Fargo, NA, as our Administrative Agent. These materials will no longer be posted via the Investors link on our website at www.grahampackaging.com.

About Graham Packaging

Graham Packaging is a leading provider of sustainable packaging solutions for a range of markets including food, beverage, household and automotive products. Headquartered in Lancaster, Pennsylvania, Graham Packaging produces approximately 15 billion container units annually in our facilities across North America, Europe and South America. One out of every three Graham plants is strategically located near or inside our customers’ filling facilities to support collaboration while eliminating the costs and environmental impact of shipping empty bottles. Our “One Graham” team of designers, engineers and other professionals are dedicated to consistently fulfilling our customers’ needs with excellence in innovation, quality and sustainability. For additional information on Graham Packaging, please visit www.grahampackaging.com.

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