Conference Call Wednesday, May 18, 2022, at 9:00 AM EDT / 8:00 AM CDT

Graham Packaging Company Inc. will host a conference call on Wednesday, May 18, 2022, at 9:00 AM EDT / 8:00 AM CDT / 1:00 PM GMT to review its financial results for the quarter ended March 31, 2022.

The call will include prepared remarks and a question and answer session. It will be open in a listen-only mode by telephone. Interested parties may listen to the teleconference by dialing 1-877-407-0784 (callers in the U.S.) at least ten minutes before the start of the call. International callers should dial 1-201-689-8560. Please request the “Graham Packaging 2022 Q1 Results Conference Call”. Presentation materials will be available on May 17, 2022 through the Investors link on our website at www.grahampackaging.com via access to our investor Intralinks site.

A telephonic replay of the call will be available from approximately 12:00 PM ET/11:00 AM CT/4:00 PM GMT on May 18, 2022 through May 25, 2022. Callers in the U.S. please dial 1-844-512-2921. International callers should dial 1-412-317-6671. The replay pin number is 13729868.

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