GEF Q3 2026 Earnings Presentation

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 2 July 29, 2026 2 Safe Harbor This presentation contains certain forward-looking information within the meaning of the Private Securities Litigation Reform Act of 1995. The words “may,” “will,” “expect,” “intend,” “estimate,” “anticipate,” “aspiration,” “objective,” “project,” “believe,” “continue,” “on track” or “target” or the negative thereof and similar expressions, among others, identify forward-looking statements. All forward looking statements are based on information currently available to management. Such forward-looking statements are subject to certain risks and uncertainties that could cause events and the Company’s actual results to differ materially from those expressed or implied. Please see the disclosure regarding forward-looking statements immediately preceding Part I of the Company’s Annual Report on the most recently filed Form 10-K. The company assumes no obligation to update any forward-looking statements. This presentation includes certain non-GAAP financial measures like Adjusted EBITDA and other measures that exclude special items such as restructuring and other unusual charges and gains that are volatile from period to period. Management of the Company uses the non-GAAP measures to evaluate ongoing operations and believes that these non-GAAP measures are useful to enable investors to perform meaningful comparisons of current and historical performance of the Company. These non-GAAP financial measures are intended to supplement, and should be read together with, our financial results. They should not be considered an alternative or substitute for, and should not be considered superior to, our reported financial results. Tables showing the reconciliation between GAAP and non- GAAP measures are available at the end of this presentation and on the Greif website at www.greif.com. FORWARD-LOOKING STATEMENTS REGULATION G

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 3July 29, 2026 3 Strategic Progress Shows in Solid Q3 Results 3 Build to Last Strategy Executing On Our Strategy While Delivering Solid Financial Results 10%+ Dividend Increase Announced 1.1x Q3-26 Leverage Ratio +260bps Q3-26 YoY Adj. EBITDA Margin +24.7% Q3-26 YoY Adj. EBITDA Executing Share Repurchase Plan 1 $90M Run-Rate Cost Optimization Achieved 1. Executing on share repurchases in accordance with our capital allocation framework under the open 2017 authorization (~300k shares) and December 2025 authorization ($300M)

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 4July 29, 2026 4 Third Quarter 2026 Year-over-Year Volume Trends Customized Polymer Solutions ▪ IBC (up high singles) and large containers (up mid singles) due to improved industrial end market demand ▪ Small containers (down mid singles) solid, FY25 comparison was up double digits from late Ag season stocking; 2-year stack up mid singles Durable Metal Solutions ▪ Sequentially improved across all regions from still soft but better industrial end market demand ▪ Volumes are closer to flat excluding the direct Middle East impact Sustainable Fiber Solutions ▪ Mills operating at ~95% rates ▪ Excluding Mill closure in the prior year volumes are closer to flat with solid converting demand led by partitions and tube & core Innovative Closure Solutions ▪ 3rd party volumes up mid singles (total volumes up high singles) from combination of sequentially improved polymer and metal demand and new business wins Key Growth End Markets x% x% x% NA LATAM EMEA APAC Agrochemicals Food & Beverage Pharma & Medical Flavors & Fragrances Improved Improved Improved 1.5% (3.1%) (4.0%) 5.5% M.E. Softness Improved Demand Supplemented by New Logo Growth

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 5July 29, 2026 5 Total Company Financial Performance Third Quarter 2026 ($ in Millions except per share) Q3 25 Q3 26 Adjusted EBITDA 147.1 183.4 Adjusted EBITDA % 13.1% 15.7% Adjusted Class A Earnings Per Share 0.86 1.61 Adjusted Free Cash Flow 144.4 57.7 ▪ Adjusted EBITDA higher primarily due to better price/cost and structural cost optimization ▪ Adjusted Earnings Per Share improved 87% year-over-year driven by higher EBITDA, lower interest expense, and a more favorable quarterly effective tax rate ▪ Adjusted Free Cash Flow decreased primarily due to higher inventory, reflecting strategic supply continuity decisions and higher raw material costs from rising raw material indices July 29, 2026 5

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 6July 29, 2026 6 ($ in Millions) Customized Polymers Durable Metals Sustainable Fiber Innovative Closures Q3 25 Q3 26 Q3 25 Q3 26 Q3 25 Q3 26 Q3 25 Q3 26 Sales 1 337.9 383.8 392.3 405.6 370.7 346.5 43.2 51.4 Gross Profit 70.9 91.1 88.1 90.9 85.1 73.1 11.9 17.5 Gross Profit % 21.0% 23.7% 22.5% 22.4% 23.0% 21.1% 27.5% 34.0% Segment Financial Performance Third Quarter 2026 • Polymers: Gross profit dollars and percent up on both positive volume and price/cost, plus cost optimization • Metals: Gross profit dollars up due to cost optimization and variable cost management • Fiber: Sales lower due to prior year Mill closure offsetting positive underlying demand in converting; margin lower due to impact of cost inflation versus delayed benefit of price increase • Closures: Gross profit dollars and percent up due to volumes, price/mix and cost optimization 1. Innovative Closure Solutions reflects total sales, which includes intersegment sales; other segments reflect net sales to third parties

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 7 Guidance Range Reflects Improved Q3 Demand and Continued Strong Execution FY 2026 Guidance Volume Assumptions Prior Guidance Current Guidance Customized Polymer Solutions Flat Flat Durable Metal Solutions Down MSD Down MSD Sustainable Fiber Solutions Down MSD Down LSD Innovative Closure Solutions Down MSD Down LSD Free Cash Flow Assumptions DD&A $230 $230 Adj. capital expenditures $155 $155 Cash interest expense $40 $40 Cash tax expense $80 $40 Cash restructuring and pension $50 $65 Operating working capital source (use) $30 ($10) ($ in Millions) Guidance Assumptions $615 – $635M Adjusted EBITDA $305 – $325M Adjusted Free Cash Flow +9.8 – 13.4% YoY ~50% Free Cash Flow Conversion

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 8 Priorities for Disciplined Capital Deployment Driving Returns & Investing for Growth Optimizing Shareholder Value Invest for Growth ▪ Fund high-return organic growth initiatives ▪ Pursue disciplined bolt-on acquisitions Return Cash to Shareholders ▪ Deliver consistent growing dividends ▪ Annual share repurchases of ~2% Maintain a Strong Foundation ▪ Manage leverage and liquidity ▪ Fund safety and maintenance CapEx Capital Allocation ▪ Increased dividend in place as of most recent distribution on July 1st 10%+ Dividend Increase 1. Acquisition reflects 100% equity purchase of Envaplast near Valencia, Spain on June 2, 2026. The purchase price of approximately $57 million equates to a pre-synergy multiple of approximately 7.0x ▪ Continuing share repurchases under our authorization Executing Share Repurchase Plan ▪ Bolt-on acquisition1 of AgChem-focused small container producer in Spain will supplement organic growth Small Polymer Acquisition

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 9 Packaging Leader to Essential Industries Durable Competitive Advantages Roadmap to Accelerate Profitable Growth ▪ Maintaining a strong balance sheet with leverage <2x ▪ Fund high-return organic growth investments ▪ Pursue disciplined bolt-on acquisitions ▪ Growing dividends delivered consistently ▪ Annual share repurchases of ~2% ▪ Prioritizing organic investment in Polymer and Closure products serving higher growth end-markets ▪ Leveraging cost optimization & operational efficiency to drive EBITDA margin toward 18%+ ▪ Investing to generate accretive ROIC in quality value opportunities utilizing a risk adjusted framework ▪ Polymers: High growth segment with premium products & technologies ▪ Metals: Global leader driving consistent cash generation ▪ Fiber: Leading NA position in a consolidated market ▪ Closures: Leader in innovation with outsized growth opportunity ▪ Robust scale of 220+ facilities in 35+ countries supported by centralized Greif Business System ▪ Differentiated quality and solutions-based commercial approach backed by advanced technologies and innovation ▪ Legendary customer service model that drives customer stickiness supported by high colleague engagement Driven by a Disciplined Capital Allocation Strategy 9July 29, 2026 Delivering Strong and Durable Total Shareholder Return Investment Thesis

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 11 Tube & Core Fiber DrumsSmall Containers Large & Medium Containers New & Recon Intermediate Bulk Containers (IBCs) Recycled Materials & Adhesives CUSTOMIZED POLYMER SOLUTIONS DURABLE METAL SOLUTIONS SUSTAINABLE FIBER SOLUTIONS INNOVATIVE CLOSURE SOLUTIONS Partitions Specialty Drums Medium & Small Steel Large Steel Specialty Closures Metal Closures Polymer Closures Delivering Customer Value Across Four Solutions Optimized Greif Portfolio

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 13 Net Income to Combined Adjusted EBITDA GAAP to Non-GAAP Reconciliation Non-GAAP measures are intended to supplement and should be read together with our financial results. They should not be consider ed an alternative or substitute for, and should not be considered superior to, our reported financial results. Accordingly, users o f this financial information should not place undue reliance on these non -GAAP financial measures. 13July 29, 2026

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 14 Segment Operating Profit to Combined Adjusted EBITDA GAAP to Non-GAAP Reconciliation Non-GAAP measures are intended to supplement and should be read together with our financial results. They should not be consider ed an alternative or substitute for, and should not be considered superior to, our reported financial results. Accordingly, users o f this financial information should not place undue reliance on these non -GAAP financial measures. 14July 29, 2026

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 15 Segment Operating Profit to Combined Adjusted EBITDA Cont. GAAP to Non-GAAP Reconciliation Non-GAAP measures are intended to supplement and should be read together with our financial results. They should not be consider ed an alternative or substitute for, and should not be considered superior to, our reported financial results. Accordingly, users o f this financial information should not place undue reliance on these non -GAAP financial measures. 15July 29, 2026

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 16 Adjusted Free Cash Flow GAAP to Non-GAAP Reconciliation Non-GAAP measures are intended to supplement and should be read together with our financial results. They should not be consider ed an alternative or substitute for, and should not be considered superior to, our reported financial results. Accordingly, users o f this financial information should not place undue reliance on these non -GAAP financial measures. 16July 29, 2026

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 17 Net Income and Class A Earnings Per Share Excluding Adjustments GAAP to Non-GAAP Reconciliation Non-GAAP measures are intended to supplement and should be read together with our financial results. They should not be consider ed an alternative or substitute for, and should not be considered superior to, our reported financial results. Accordingly, users o f this financial information should not place undue reliance on these non -GAAP financial measures. 17July 29, 2026

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 18 Net Income and Class A Earnings Per Share Excluding Adjustments Cont. GAAP to Non-GAAP Reconciliation Non-GAAP measures are intended to supplement and should be read together with our financial results. They should not be consider ed an alternative or substitute for, and should not be considered superior to, our reported financial results. Accordingly, users o f this financial information should not place undue reliance on these non -GAAP financial measures. 18July 29, 2026

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R51 G63 B72 #333F48 R0 G40 B85 #002855 R116 G255 B11 #74FF6F R201 G244 B255 #C9F4FF Primary Colors: Secondary Colors: R52 G119 B98 #337761 R255 G199 B44 #FFC72C R0 G113 B206 #0070CD R234 G118 B34 #F07623 July 29, 2026 19 Leverage Ratio and Net Debt GAAP to Non-GAAP Reconciliation Non-GAAP measures are intended to supplement and should be read together with our financial results. They should not be consider ed an alternative or substitute for, and should not be considered superior to, our reported financial results. Accordingly, users o f this financial information should not place undue reliance on these non -GAAP financial measures. 19July 29, 2026

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