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2 FOURTH QUARTER AND FULL YEAR 2025 Earnings Webcast
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3 TODAY’S SPEAKERS JOSÉ CARLOS PONS CFO BÁRBARA AMAYA IRO JORGE YOUNG CEO
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4 TODAY’S AGENDA 1 Full-Year Overview 2 Financial Performance 3 Guidance & 2026 Outlook 4 2026 Priorities 5 Q&A
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5 5 • Global oversupply and pressured reference margins • Comparable EBITDA at $489 M, slightly below Guidance expectations • Operating Free Cash Flow increased sequentially to $163 M 2025 REVIEW Cambiar foto
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6 Build a solid operational foundation driven by competitiveness and efficiency Strengthen Core Business DELIVERING ON OUR 4 STRATEGIC PILLARS 6 2025 HIGHLIGHTS $20 M of annual savings expected • Footprint optimization by ceasing PET operations at the Cedar Creek Facility • Relocating capacity to more competitive, scalable assets • Cost-efficiency initiatives
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7 Enhance cash flow generation and maintain our investment grade rating Financial Flexibility STRATEGIC PILLARS $44 M of net debt reduction 2025 HIGHLIGHTS • Disciplined CAPEX • NWC optimizations, an improvement over last year’s investment • Successful debt refinancing of $690 M originally due in 2026 - 2028 • Spin-off process completed
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8 STRATEGIC PILLARS 8 Drive transformative growth initiatives in the core business Boosting Growth • High-margin PET sheet/thermoform capacity scale • Increase portfolio of high- performance & specialty solutions for PP, EPS & Specialty Chemicals • Growth in emerging businesses beyond the PetChem landscape, such as energy commercialization Explore opportunities for diversification to seize growth Capitalizing on Opportunities 2025 HIGHLIGHTS
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9 9 FINANCIAL PERFORMANCE
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10 POLYESTER Volume in ktons, Comparable EBITDA in U.S.$M. 100 88 41 4Q24 3Q25 4Q25 926 929 836 4Q24 3Q25 4Q25 13 VOLUME -10% YoY | -10% QoQ COMPARABLE EBITDA -59% YoY | -53% QoQ Softer demand coupled with extended maintenance outages Pressured reference margins, low ocean freights & lower prices YoY Reported EBITDA
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11 PLASTICS & CHEMICALS Volume in ktons, Comparable EBITDA in U.S.$M. 65 47 55 4Q24 3Q25 4Q25 198 195 184 4Q24 3Q25 4Q25 53 VOLUME -7% YoY | -6% QoQ COMPARABLE EBITDA -15% YoY | +17% QoQ Softer seasonal demand Resilient reference margins Reported EBITDA
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12 734 699 489 2023 2024 2025 -30% 2025 & 4Q25 FINANCIAL RESULTS Volume in ktons, Comparable EBITDA in US$M VOLUME COMPARABLE EBITDA 4,635 4,745 4,380 2023 2024 2025 -8% 418 Reported EBITDA VOLUME 1.02M TONS -9% YoY | -9% QoQ COMPARABLE EBITDA $100 million -40% YoY | -27% QoQ 4Q25 RESULTS
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13 1,884 1,840 418 50 138 56 112 58 36 25 Net Debt Dec. 2024 EBITDA NWC Financial Expenses Taxes CAPEX CAPEX Dividends Other FREE CASH FLOW GENERATION All amounts in millions of U.S. dollars unless otherwise noted. $163M Operating FCF 2025 Op. FCF $163 M +57% vs. 2024 Net Debt Dec. 2025Strat.Maint.
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14 1,884 1,902 1,843 1,840 1Q25 2Q25 3Q25 4Q25 -44 NET DEBT & LEVERAGE All amounts in millions of U.S. dollars unless otherwise noted NET DEBT (US$ M) 3.1 3.5 4.0 4.4 3.9 1Q25 2Q25 3Q25 4Q25 Proforma LEVERAGE (Times) Excluding extraordinary costs
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15 2026 OUTLOOK • Operational & financial stability • Global oversupply & soft demand POLYESTER Stable • New PP capacity in North America • Softness in EPS construction market PLASTICS & CHEMICALS Headwinds • Successful growth trajectory • Expected to double size over next 3 years EMERGING BUSINESS Tailwinds
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16 2026 GUIDANCE Base Case Main Assumptions Comp. EBITDA US $450 - $500 M PET Reference Margins • Average $145/ton CAPEX US $130 M Ocean Freights • Average $75/ton for South America Op. FCF US $100 - $150 M PP Reference Margins • 13 cpp Volume 4.5 M tons Exchange Rate • FX at 18.0 MXN/USD Other • Minimal benefits U.S. PET tariffs 16
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17 2026 GUIDANCE Base Case Potential Drivers Comp. EBITDA US $450 - $500 M ~ US $50 M PET Reference Margins • Average $145/ton • Average $155/ton Ocean Freights • Average $75/ton for South America • Above $85/ton for South America PP Reference Margins • 13 cpp - Exchange Rate • FX at 18.0 MXN/USD • FX at 19.0 MXN/USD Other • Minimal benefits U.S. PET tariffs • Greater capitalization U.S. PET tariffs • Successful non-strategic asset sales 17
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18 LONG-TERM STRATEGY & PRIORITIES FOR 2026 STRATEGY 2026 Polyester Commodities Competitive, integrated-scalable hubs Footprint Optimization Robust Balance Sheet Financial flexibility to enable growth Deleverage: CAPEX discipline, non-strategic assets sale Polyester High- Value Added Scale position & product portfolio Debottleneck & improve R&D capabilities Plastics & Chemicals Leverage competitive assets & expand specialties Ramp-up new capacity Emerging Business Diversify portfolio & reduce PetChem exposure Power commercialization
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19 Q&A JOSÉ CARLOS PONS CFO JORGE YOUNG CEO
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20 INVESTOR RELATIONS BÁRBARA AMAYA IRO | Strategic Planning Director | Corporate Finance Director bamaya@alpek.com ALEJANDRA BUSTAMANTE IR Manager abustamante@alpek.com VISIT ALPEK.COM OR CONTACT US FOR ADDITIONAL INFORMATION: IR@ALPEK.COM
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21 21 ANNEX
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22 42 36 31 15 14 14 4Q24 3Q25 4Q25 4Q24 3Q25 4Q25 RELEVANT REFERENCE MARGINS PX Prices & PET Reference Margins in $USD per ton, PP & EPS Prices in cpp. EPSPOLYPROPYLENE Propylene Prices Ref. Margin 45 44 41 43 38 40 4Q24 3Q25 4Q25 4Q24 3Q25 4Q25 Styrene Prices Ref. Margin 1,073 1,139 1,058 879 886 874 4Q24 3Q25 4Q25 North America Asia PX PRICES PET REFERENCE MARGINS 305 276 271 170 134 142 4Q24 3Q25 4Q25 Asia China -2%-7%
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23 FOURTH QUARTER AND FULL YEAR 2025 Earnings Webcast