MAIA Biotechnology Abstract Accepted for Poster Presentation at American Society of Clinical Oncology (ASCO) 2024 Annual Meeting

• Poster to present new efficacy data from Phase 2 THIO-101 trial in non-small cell lung cancer (NSCLC)

MAIA Biotechnology, Inc., (NYSE American: MAIA) (“MAIA”, the “Company”), a clinical-stage biopharmaceutical company developing targeted immunotherapies for cancer, today announced that an abstract about its Phase 2 THIO-101 clinical trial named “A phase 2, multicenter, open-label, dose-optimization study evaluating telomere-targeting agent THIO sequenced with cemiplimab in patients with advanced NSCLC: Updated results” was accepted for poster presentation at the American Society of Clinical Oncology (ASCO) 2024 Annual Meeting, to take place May 31-June 4, 2024, in Chicago, Illinois. The poster is scheduled for presentation on June 3, 2024, from 1:30pm to 4:30pm CST.

“We are proud to accept ASCO’s invitation to present at its 2024 Annual Meeting, the most significant gathering of oncology professionals worldwide,” said Vlad Vitoc, M.D., MAIA’s Chairman and Chief Executive Officer. “We look forward to revealing the newest efficacy results from THIO-101 and discussing our pioneering telomere targeting science underlying THIO, the first and only cancer treatment of its kind in clinical development.”

MAIA’s abstract will be available online at the ASCO Annual Meeting 2024 website during the week prior to the conference start date, and the poster will be published on maiabiotech.com on the day of the presentation, June 3, 2024.

The 2024 ASCO Annual Meeting will feature more than 200 sessions and 5,000 posters complementing the theme, “The Art and Science of Cancer Care: From Comfort to Cure.”

About ASCO

Founded in 1964, the American Society of Clinical Oncology is the world's leading professional organization for physicians and oncology professionals caring for people with cancer. Its mission is to conquer cancer through research, education, and promotion of the highest quality, equitable patient care. ASCO’s vision is a world where cancer is prevented or cured, and every survivor is healthy. asco.org

About MAIA Biotechnology, Inc.

MAIA is a targeted therapy, immuno-oncology company focused on the development and commercialization of potential first-in-class drugs with novel mechanisms of action that are intended to meaningfully improve and extend the lives of people with cancer. Our lead program is THIO, a potential first-in-class cancer telomere targeting agent in clinical development for the treatment of NSCLC patients with telomerase-positive cancer cells. For more information, please visit www.maiabiotech.com.

Forward Looking Statements

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