Maia Biotechnology, Inc. · AMEX:MAIA

Maia Biotechnology — Investor Presentation (February 2025)

30 slides from Maia Biotechnology's investor presentation, Feb 5, 2025

  1. Slide 1: MAIA Biotechnology: Telomere Targeting Immunotherapies for Cancer

    MAIA BIOTECHNOLOGY TELOMERE TARGETING IMMUNOTHERAPIES FOR CANCER NYSE AMERICAN: MAIA February 2025

  2. Slide 2: Forward-Looking Statements

    FORWARD-LOOKING STATEMENTS NYSE American: MAIA All statements in this presentation, other than those relating to historical facts, are “forward-looking statements." These forward-looking statements may include, but are not limited to, statements relating to our objectives, plans, and strategies; sta

  3. Slide 3: Investment Profile

    INVESTMENT PROFILE NYSE American: MAIA New science for cancer therapy: dual MoA - telomere targeting and immunogenicity. * Lead molecule THIO in clinic; 2nd generation compounds in R&D Phase 2 trial THIO-101 expansion in 2025: THIO sequenced with CPI in NSCLC. * Unprecedented disease control, respon

  4. Slide 4: Robust Pipeline

    ROBUST PIPELINE THIO Telomere Targeting Agent NYSE American: MAIA ClinicalTrial Indication Treatment Status Preclinical Phase 1 Phase 2 Phase 3 Rights THIO > Planned THIO-104 NSCLC 3L CPI Phase 3 . THIO > Ongoing THIO-101 Bese Kee7 Ea Libtayo® Phase 2 Worldwide rights owned CRC, HCC, THIO > Planned

  5. Slide 5: Mission and Approach

    MISSION AND APPROACH

  6. Slide 6: Oncology Landscape

    ONCOLOGY LANDSCAPE Population aged >80 ' [i = expected to triple by 2050 e) Cancer is the 142 At age 90 H oe age : ee erelated j HUE 40% will be diagnosed \ oF cacti citi welt an disease 426 20% will die of it million -a emu, 2050

  7. Slide 7: Novel Treatment

    NOVEL TREATMENT THIO is the only direct telomere targeting anticancer agent in clinical development

  8. Slide 8: THIO - Novel Mechanism of Action

    THIO - NOVEL MECHANISM OF ACTION NYSE American: MAIA THIO Followed by (6-thio-2'-deoxyguanosine) Immune Checkpoint Inhibitor (CPI) THIO has a dual Mechanism of Action: * Examples of commercially available CPIs: @ Telomere targeting Y} TEVIMBRA death (2) Immunogenic effect (cemiplimab) (tislelizumab)

  9. Slide 9: THIO-101 NSCLC Trial - Rationale

    THIO-101 NSCLC TRIAL - RATIONALE 1000 * THIO followed by CPI results in 60% 900) complete response 800 * Only 2 cycles of therapy were = 700 administered on weeks 1 and 2; no = 600 further therapy throughout the study — 2 500 * No recurrence after long-term follow-up $ ‘00 i=] * Anticancer immune me

  10. Slide 10: NSCLC Clinical Trials

    NSCLC CLINICAL TRIALS

  11. Slide 11: THIO-101 Phase 2 Trial Design with Libtayo in NSCLC

    A Multicenter, Open-label, Dose-Finding Phase 2 Trial Evaluating the Safety and Efficacy of THIO Administered in Sequence with Libtayo® (cemiplimab) in NSCLC Patients Who Are Resistant to Checkpoint Inhibitors Safety Efficacy/Safety/Dose Selection THIO 60mg + Libtayo® o (n=24) ; THIO + ¢ | _ Libtayo

  12. Slide 12: THIO-104 Phase 3 Pivotal Trial Design (Planned)

    THIO-104 PHASE 3 PIVOTAL TRIAL DESIGN (PLANNED) NYSE American: MAIA A Multicenter, Open-label, Pivotal Phase 3 Trial Evaluating the Efficacy of THIO Administered in Sequence with a Checkpoint Inhibitor in NSCLC Patients Who Are Resistant to Checkpoint Inhibitors Compared to Chemotherapy pT NSCLOSL_—

  13. Slide 13: Best Results in Third-Line with the 180mg Dose

    BEST RESULTS IN THIRD-LINE WITH THE 180MG DOSE NYSE American: MAIA THIO-101 (Pivotal Phase 2, ongoing): Overall Survival (3L) * Current data in third-line indicates that as of 15-Jan-2024, 1.00] — estimated Median Overall Survival (OS) is at 16.9 months __ with a 95% CI lower bound of 12.5 months an

  14. Slide 14: Expected Efficacy in Pivotal Trials in NSCLC 3L

    EXPECTED EFFICACY IN PIVOTAL TRIALS IN NSCLC 3L Target Population DCR ORR PFS Os THIO-1014 Pivotal Phase 2 THIO + Libtayo® (n = 137-148) * CPI + Platinum Resistant THIO-104 Pivotal THIO + CPI (n = 150) * CPI + Platinum Resistant (6) MAIA NYSE American: MAIA Phase 3 Chemotherapy (n = 150) median foll

  15. Slide 15: Other Tumor Types Planned Trials

    OTHER TUMOR TYPES PLANNED TRIALS

  16. Slide 16: THIO-102 Trial (Planned)

    THIO-102 TRIAL (PLANNED) NYSE American: MAIA A Multicenter, Open-label, Phase 2 Trial Evaluating the Safety and Efficacy of THIO Administered in Sequence with a Checkpoint Inhibitor (CPI) Part A/B: Safety/Efficacy Signal Part C: Pivotal Phase 2 Umbrella Arms Colorectal Cancer (C Hepatocellul . we Ex

  17. Slide 17: Colorectal Rationale

    COLORECTAL RATIONALE NYSE American: MAIA 700 ==Control z 600 —eAtezolizumab £ 500 * THIO followed by CPI results in 100% 2 400 ele complete response 2 500 STD Panes > * Only 2 cycles of therapy were S 200 i E administered on weeks 1 and 2; no E 100 eee CR further therapy throughout the study 0 * No

  18. Slide 18: SCLC & HCC - Orphan Drug Designation

    SCLC & HCC —- ORPHAN DRUG DESIGNATION SCLC 1500 =—eControl Rp N a o —e=Pembro > THIO —e—THIO > Pembro Tumor Volume (mm?} ~J] 3 0 5 10 15 20 25 Days After Tumor Inoculation THIO is synergistic with anti-PD-1 agent Pembrolizumab in Small Cell Lung Carcinoma (H2081) in vive in humanized murine cancer m

  19. Slide 19: Excellent Efficacy in HCC Models

    EXCELLENT EFFICACY IN HCC MODELS (6) MAIA NYSE American: MAIA Hcc 6005|- Control << THIO * THIO achieved complete and durable responses in Hepatocellular Carcinoma (HCC), the dominant histology in primary liver cancer (90%), in in vivo models Tumor Volume (mm?) N So o 0 5 1015202530354045 Days after

  20. Slide 20: HCC Anti-Cancer Immune Memory

    HCC ANTI-CANCER IMMUNE MEMORY * When combined with immunotherapy checkpoint inhibitor Libtayo®, duration of response was further potentiated * Upon rechallenge with two times more cancer cells and no additional treatment, tumor growth was completely prevented * Administration of THIO alone and in co

  21. Slide 21: THIO-103 Trial (Planned)

    THIO-103 TRIAL (PLANNED) A Multicenter, Open-label, Phase 2 Trial Evaluating the Safety and Efficacy of THIO Administered in Sequence with a Checkpoint Inhibitor (CPI) Part A/B: Safety/Efficacy Signal Part C: Pivotal Phase 3 SCLC First Line THIO | : CPIs: Expand to Activation -—> * Opportunity to te

  22. Slide 22: Investment Opportunity

    INVESTMENT OPPORTUNITY

  23. Slide 23: Exclusivity and Intellectual Property

    EXCLUSIVITY AND INTELLECTUAL PROPERTY "4'4 NYSE American: MAIA Goal: New Chemical Entity (NCE) Marketing Exclusivity A * THIO has never been previously approved by the FDA for commercialization * Robust exclusivity ¢ US: 7 years; EU, Japan, other markets: 10 years Robust and Growing Patent Portfolio

  24. Slide 24: Experienced Management Team

    EXPERIENCED MANAGEMENT TEAM NYSE American: MAIA % Vlad Vitoc, MD, MBA Sergei Gryaznov,PhD Jeffrey Himmelreich, MBA Founder and CEO Chief Scientific Officer Head of Finance * 24+ years in Oncology Pharma/ °¢ 25+ years as Scientist * 20+ years of financial Biotech: Commercial, Medical + Expert Drug Di

  25. Slide 25: Significant Market Opportunity

    SIGNIFICANT MARKET OPPORTUNITY (bw) MAIA Developing agents for the top tumor ; types markets globally NSCLC (#4 WW) Hcc Mortality: 1.7M / Sales: $34B Mortality: 0.8M / Sales: $3B CRC 2 WW) scLe Mortality: 1.0M / Sales: $20B Mortality: 0.3M / Sales: $2B $46B CPIs Group (2023 Sales) Ss * § CPIs approv

  26. Slide 26: Comparable Companies

    COMPARABLE COMPANIES (6) MAIA NYSE American: MAIA ° On June 3, 2022, Bristol Myers Squibb (BMS) announced the acquisition of Turning Point Therapeutics in an all-cash transaction for $4.1B in equity value value right ° Commercial stage companies: Mirati (on acquisition) On October 9, 2023, BMS acqui

  27. Slide 27: Multiple Value-Driving Milestones

    MULTIPLE VALUE-DRIVING MILESTONES NYSE American: MAIA THIO-104 Enrollment Potential Early Full Approval Ph3 First Patient In in US (from interim analysis) NSCLC 3L * THIO-401 Part c Part B Part Cc Enrollment Filing for Potential Ph2 First Full Efficacy Complete US Accelerated Patient In Efficacy Upd

  28. Slide 28: Thank You

    NYSE American: MAIA MAIA BIOTECHNOLOGY THANK YOU Investor Relations Contact +1 (872 90-3518 ir@maiabiotech.com MAIA Biotechnology, Inc. 444 West Lake Street, Suite 1700 70, IL 60606 28

  29. Slide 29: Appendix

    APPENDIX

  30. Slide 30: U.S. FDA Granted Orphan Drug Designations and Rare Pediatric Disease Designation to THIO

    U.S. FDA GRANTED 3 ORPHAN DRUG DESIGNATIONS AND 1 MAIA RARE PEDIATRIC DISEASE DESIGNATION TO THIO eee V} THIO has been granted 3 Orphan Drug Designations (ODD): ¥ Hepatocellular Carcinoma (HCC, 90% of primary liver cancers) ¥ Small Cell Lung Cancer (SCLC, deadliest lung cancer) ¥ Glioblastoma (brain

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