Alto Ingredients, Inc. · NASDAQ:ALTO

Alto Ingredients — LD Micro Presentation October 2025

23 slides from Alto Ingredients's conference presentation, Oct 21, 2025

  1. Slide 1: Elevating Essential Products

    Elevating Essential Products Leading producer of specialty alcohols and high quality ingredients LD MICRO PRESENTATION October 21, 2025 data reported as of June 30, 2025 on Aug. 6, 2025 1

  2. Slide 2: Safe Harbor Statement

    Safe Harbor Statement Statements and information contained in this communication that refer to or demand for oil and gasoline; raw material costs, including production input include Alto Ingredients’ estimated or anticipated future results or other non- costs, such as corn and natural gas, as well a

  3. Slide 3: Transforming corn into the highest-quality, sustainable ingredients

    Transforming corn into the highest-quality, sustainable ingredients that make everyday products better 3

  4. Slide 4: Producer and distributor of specialty alcohols, renewable fuels and essential ingredients

    Producer and distributor of specialty alcohols, renewable fuels and essential ingredients 4

  5. Slide 5: Targeted Project Focus

    Targeted Project Focus Short-term paybacks, more immediate returns and long-term benefits • Supporting path to incremental profitability, improved future and increased valuations • Prioritizing project cost, timing and anticipated ROI • Evaluating projects to • Lower carbon intensity to capture more

  6. Slide 6: Regulatory Trends Positive for Industry

    Regulatory Trends Improving Earnings Profile, Increasing the Intrinsic Positive for Industry Valuation of Alto’s Facilities ONE BIG BEAUTIFUL BILL ACT > Applying for 45Z credits for Alto Columbia and Alto Pekin Dry Mill that are estimated to total ~$18M in the next two years, based on > 45Z credit e

  7. Slide 7: Targeting Premium Markets

    Alto Columbia, LLC Alto Ingredients, Inc. Targeting Alto Carbonic, LLC Alto Pekin, LLC Dry Mill Headquarters Beverage-grade liquid CO 2 processor Dry Mill Premium Markets Boardman, Oregon Wet Mill & Distillery Yeast Plant Pekin, Illinois Kinergy Marketing LLC Pekin, Illinois Alto ICP, LLC Dry Mill &

  8. Slide 8: Making Everyday Products Better

    Making Everyday Products Better HEALTH, HOME FOOD & INDUSTRY & ESSENTIAL RENEWABLE & BEAUTY BEVERAGE AGRICULTURE INGREDIENTS FUELS ALTO’S 100% API Grade Grain Neutral Industrial Grade Alto Yeast Transportation Fuel: BIO-BASED Ethyl Alcohol Spirits Ethyl Alcohol Corn Meal, Oil, Germ Ethanol RENEWABLE

  9. Slide 9: Sustainability Efforts

    Sustainability Efforts EARNED AT PEKIN CAMPUS > Safe Food/Safe Feed - a third-party product safety certification > EcoVadis Silver Medal at ICP, 87th percentile among peers COMPLETED MATERIALITY SURVEY & INITIAL ROADMAP > Strengthened environmental, health and safety policy and objectives > Improved

  10. Slide 10: Certifications Create Differentiation

    Certifications Create Differentiation Deepen Relationships & Open Doors to New Customers SPECIALTY ALCOHOLS & ESSENTIAL INGREDIENTS Are more challenging to produce Require audits, equipment and testing validation, and other prerequisite programs Create significant product performance impact for a fr

  11. Slide 11: Quality Customer Base

    Quality Customer Base HEALTH, HOME FOOD & INDUSTRY & ESSENTIAL RENEWABLE & BEAUTY BEVERAGE AGRICULTURE INGREDIENTS FUELS CUSTOMERS PRIORITIZE ALTO’S CERTIFICATIONS, RELIABILITY, SERVICE & QUALITY 11

  12. Slide 12: Financial Highlights

    Financial Highlights UNAUDITED, JUN 30, DEC. 31, WESTERN ASSET GROSS PROFIT $ IN MILLIONS 2025 2024 Q2 2025 vs Q2 2024: CASH & CASH $29.8 $35.5 EQUIVALENTS > $5.6M gross profit improvement, to $1.8M from $(3.8)M CURRENT ASSETS $149.7 $153.1 IMPROVING ADJ. EBITDA CURRENT LIABILITIES $42.5 $57.8 Q2 20

  13. Slide 13: Unlocking Value, Managing Liquidity

    Unlocking Value, Targeting premium markets Managing Liquidity with high quality products Evaluating short-term projects with more immediate ROI & long-term benefits Optimizing asset base & executing efficiency initiatives Advancing traceability & sustainability certifications & programs Broadening c

  14. Slide 14: Appendix

    APPENDIX 14

  15. Slide 15: Building on a Rich Foundation

    Building on a Rich Foundation 1899 Illinois Sugar Refining 1998 2005 Company (now Alto Pekin) Yeast Plant MGP Ingredients Began producing Constructed and Began producing fuel sugar from beets 1995 began producing yeast November 1998 ethanol May 2005 2022 Williams 2007 Eagle 1981 Bio- Alcohol Co. Pek

  16. Slide 16: Experienced Leadership Team

    Experienced Leadership Team Bryon McGregor Todd Benton Rob Olander, CPA Jim Sneed Auste Graham President & CEO Chief Operating Officer Chief Financial Officer Chief Commercial Officer Chief Legal Officer & Secretary 17 years with Alto 26 years with Alto(1) 18 years with Alto 33 years with Alto(1) 3

  17. Slide 17: Senior Management with Deep Bench Strength

    Senior Management with Deep Bench Strength Patrick McKenzie John Shriver Stacy Swanson Ed Baker Michael Kramer VP, Business Development VP, Operations VP, EHS, Quality VP, Human Resources VP, Treasurer 13 years with Alto 25 years with Alto(1) & Sustainability 18 years with Alto 18 years with Alto 12

  18. Slide 18: Consolidated Statements of Operations

    Consolidated Statements of Operations Three Months Ended Six Months Ended June 30, June 30, (in thousands) (unaudited) 2025 2024 2025 2024 Net sales $ 218,436 $ 236,468 $ 444,976 $ 477,097 Cost of goods sold 220,373 228,915 448,720 471,944 Gross profit (loss) (1,937) 7,553 (3,744) 5,153 Selling, gen

  19. Slide 19: GAAP to Non-GAAP Reconciliation

    GAAP TO NON-GAAP RECONCILIATION 19

  20. Slide 20: Use of Non-GAAP Measures

    Use of Non-GAAP Measures Management believes that certain financial measures not in accordance with so that investors will have the same financial information that management generally accepted accounting principles (“GAAP”) are useful measures of uses, which may assist investors in properly assessi

  21. Slide 21: Adjusted EBITDA Reconciliation

    Adjusted EBITDA Reconciliation Three Months Ended Six Months Ended June 30, June 30, (in thousands) (unaudited) 2025 2024 2025 2024 Net loss $ (10,997) $ (3,106) $ (22,676) $ (14,831) Adjustments: Interest expense 2,811 1,669 5,540 3,303 Interest income (67) (150) (150) (325) Unrealized derivative l

  22. Slide 22: Segment Results

    Three Months Ended Six Months Ended Segment Results 2025 June 30, 2024 2025 June 30, 2024 Net Sales Pekin Campus production, recorded as gross: Alcohol sales $ 94,155 $ 100,687 $ 201,390 $ 209,035 Essential ingredient sales 39,565 39,371 84,183 86,080 Intersegment sales 183 286 481 606 Total Pekin C

  23. Slide 23: For more information, contact

    FOR MORE INFOMATION, CONTACT: info@altoingredients.com (833) 710-ALTO ir.altoingredients.com linkedin.com/company/alto-ingredients 23

Alto Ingredients — LD Micro Presentation October 2025 on 6ix