Positioned for Continued Growth

• Q1 2021 HIGHLIGHTS Sustained Net Organic Sales Growth, up 2% y/y in Q1 21; 3% Growth over LTM Driven by Conversions to Fiber-Based Packaging Solutions and Increased At-Home Consumption Providing Industry Leading Customer Service, Meeting Strong Fiber-Based Packaging Demand and Introducing New Innovative Solutions; Maintained Continuity for Customers through Winter Storm Uri Downtime Adjusted EBITDA $240M, Negatively Impacted by $29M of Winter Storm Uri Related Costs and $34M of Commodity Input Cost Inflation • Executing Price Actions to Offset Commodity Input Cost Inflation • • • • Increased Paperboard Integration Rate to 71% in Q1, up 200 basis points y/y Strengthened Balance Sheet and Interest Rate Profile by Issuing $800 Million of 0.8% and 1.5% Senior Secured Notes and Through Retirement of $425 Million Higher Interest Rate Debt with Farm Credit System Loan Acquired $400 Million of Partnership Interest from International Paper; Wind Down of Successful Partnership Continues with Current Minority Ownership Interest of ~7%, Down from Initial -21% Continuing Balanced Approach to Capital Allocation; Strategic M&A to Complement Organic Growth and Return Enhancing Investments in Support of Vision 2025 o Announcing Intent to Acquire Americraft Carton, Inc. Kalamazoo, Michigan and Texarkana, Texas Projects Remain On Track and On Budget Graphic Packaging INTERNATIONAL ©2021 Graphic Packaging International 39

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