Slides
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Third Quarter 2026 Earnings Webcast
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Juan Diego Siller IRO Jorge Young CEO Rodrigo Prieto CFO 3 Speakers
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4 Please note that the information discussed today may include forward-looking statements regarding the Company’s future financial performance and prospects, which are subject to certain risks and uncertainties. Actual results may differ materially, and the Company cautions the market not to rely unduly on these forward-looking statements. Alpek undertakes no obligation to publicly update or revise any forward-looking statements, whether it is as a result of new information, future events, or otherwise. We express our financial results in U.S. million dollars unless otherwise specified. Legal Disclaimer
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Today’s agenda 1. Quarter Overview 2. Financial Performance 3. Revised Guidance 4. Outlook 5 5. Q&A
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Quarter Overview 6
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3Q26 COMPARABLE EBITDA $276M ▲ +101% YoY 2026 EBITDA GUIDANCE $990M ▲ Raised from $750–800M NET DEBT / EBITDA 1.8x ▼ Down from 4.4x in 4Q25 SUPPORTED BY Local-for-local Strategy Feedstock Shortages in Asia High Ocean Freight Rates 7 Key Messages Strong execution and a healthy balance sheet
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STRATEGY ENABLER Strengthen Core Business Leaner operational model driven by competitiveness and efficiency Grow & Evolve Enhanced product portfolio quality & capital-efficient growth opportunities Focus on high-quality cash flow and stronger balance sheet Financial Flexibility Long-Term Vision Be the supplier of choice by outpacing the competition and maximizing shareholder value through profitable growth and evolution. Alpek’s Long-Term Strategy
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9 Financial Performance
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3Q26 Financial Results 138 336 276 3Q25 2Q26 3Q26 +101% 116 407 303 3Q25 2Q26 3Q26 +161% REPORTED EBITDACOMPARABLE EBITDA 1,172 ktons in Volume (Flat QoQ & +4% YoY) Supported by solid demand levels and continued commercial and operating execution strength 10
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Comparable EBITDA PP and EPS Reference Margins normalization Volume 205 ktons 236 11Reported EBITDA Favorable PET Reference Margins support strong results Volume 967 ktons 88 235 205 3Q25 2Q26 3Q26 +134% 47 95 62 3Q25 2Q26 3Q26 +32% 59 POLYESTER PLASTICS & CHEMICALS
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1,664 1,717303 226 35 21 16 30 31 3 FCF generation partially offset by Net Working Capital investment Free Cash Flow Generation 12 Net Debt Jun. 2026 EBITDA NWC Financial Expenses Taxes CAPEX Maint. CAPEX Strat. Other Net Debt Sep. 2026 Dividends $5M Operating FCF
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$123M Net Debt reduction during the year Enhanced financial flexibility through continued deleveraging Net Debt & Leverage NET DEBT LEVERAGE 13 1,840 1,768 1,664 1,717 4Q25 1Q26 2Q26 3Q26 - $123M 4.4 3.9 2.2 1.8 4Q25 1Q26 2Q26 3Q26 -2.6x Leverage ratio calculated as Net Debt / LTM Reported EBITDA
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Share Price & Trading Volume1 +77% Share Price TSR 2026 YTD ~4.2x Trading Volume 2026 YTD2 vs. 2025 Average K e y D r i v e r s 100% Free Float Improved Share Price Higher Liquidity 14 8 10 12 14 16 0 2 4 6 8 10 1Q 2Q 3Q 4Q 1Q 2Q Jul Ago Sep Oct2 Volume Price (M Shares) (MXN) 2025 2026 IPC Entry 100% Free Float Top 35 companies listed on the Mexican Stock Exchange (1) Considers daily average figures; (2) As of October 20, 2026 Alpek Rejoins the IPC Index
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15 Comparable EBITDA $990 M Revised Guidance does not include the potential monetization of non-strategic assets Key Assumptions China PET Margin $225 / ton ▲ from $170 – 200 / ton NA PP Margin 17 cpp unchanged SA Ocean Freights $200 / ton ▲ from $120 – 170 / ton FX Rate $18.00 unchanged Assumption figures remain subject to external factors. 15 UNCHANGED vs. previous guidance Volume 4.6 M tons CAPEX $150 M Operating FCF $300 – 350 M ▲ ~28%Previous: $750 – 800 M 2026 Revised Guidance
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Jorge Young CEO Rodrigo Prieto CFO 17 Q&A
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18 VISIT ALPEK.COM OR CONTACT US FOR ADDITIONAL INFORMATION: IR@ALPEK.COM Juan Diego Siller IRO jsiller@alpek.com Alejandra Bustamante IR Director abustamante@alpek.com Investor Relations
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ANNEX 19
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CONSOLIDATED DEBT PROFILE 430 101 6 176 118 380 113 495 553 Cash 2026 2027 2028 2029 2030 15 2031 2032 613 568 Cash Bonds Bank Debt Net Debt: US$1,717M Gross Debt: US$2,146M Available Comm. Credit Lines US$562M Coupon 5.375% Coupon 4.250% Coupon 5.375% Coupon 3.250% Credit Ratings 3.5 YEARS OF DEBT MATURITY RATING: OUTLOOK: BB+ Negative Ba1 Negative BB+ Negative Healthy Debt Profile
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36 52 45 14 20 18 3Q25 2Q26 3Q26 3Q25 2Q26 3Q26 EPSPOLYPROPYLENE Propylene Prices Ref. Margin 44 63 63 38 39 34 3Q25 2Q26 3Q26 2Q25 1Q26 2Q26 Styrene Prices Ref. Margin 1,139 1,653 1,685 886 1,214 1,181 3Q25 2Q26 3Q26 North America Asia PX PRICES CHINA PET REFERENCE MARGIN 134 307 213 3Q25 2Q26 3Q26 -31% +2% PX Prices & PET Reference Margins in $USD per ton, PP & EPS Prices in cpp. Relevant Reference Margins