New Phase 2a Clinical Data Analysis of Stem Cell Therapy Laromestrocel in Mild Alzheimer’s Disease Accepted for Poster Presentation at the 2026 Alzheimer’s Association International Conference (AAIC)

MIAMI, June 18, 2026 — Longeveron Inc. (NASDAQ: LGVN), a clinical stage biotechnology company developing cellular therapy for life-threatening, rare pediatric and chronic aging-related conditions, today announced that additional analysis of data from the Phase 2a clinical trial evaluating its stem cell therapy laromestrocel in mild Alzheimer’s disease has been accepted for Poster Presentation at the 2026 Alzheimer’s Association International Conference® (AAIC®), to be held July 12-15, 2026 in London, United Kingdom and online.

Poster Presentation (Exhibit Hall)

Date:

Monday, July 13, 2026

Time:

7:30am – 4:15pm BST

Session:

In-Person Posters Tuesday; Drug Development: Human

Topic:

Laromestrocel in Mild Alzheimer’s Disease: Additional Phase 2a Clinical Data Analysis

Results from the CLEAR MIND Phase 2a clinical trial, which support the therapeutic potential of laromestrocel in the treatment of mild Alzheimer’s disease and provided evidence-based support for further clinical development, were published in the peer-reviewed journal Nature Medicine in March 2025.

About Longeveron Inc.

Longeveron is a clinical stage biotechnology company developing regenerative medicines to address unmet medical needs. The Company’s lead investigational product is laromestrocel (Lomecel-B™), an allogeneic mesenchymal stem cell (MSC) therapy product isolated from the bone marrow of young, healthy adult donors. Laromestrocel has multiple potential mechanisms of action encompassing pro-vascular, pro-regenerative, anti-inflammatory, and tissue repair and healing effects with broad potential applications across a spectrum of disease areas. Longeveron is pursuing four pipeline indications: hypoplastic left heart syndrome (HLHS), Alzheimer’s disease, Pediatric Dilated Cardiomyopathy (DCM) and Aging-related Frailty. Laromestrocel development programs have received five distinct and important FDA designations: for the HLHS program - Orphan Drug designation, Fast Track designation, and Rare Pediatric Disease designation; and, for the AD program - Regenerative Medicine Advanced Therapy (RMAT) designation and Fast Track designation. For more information, visit www.longeveron.com or follow Longeveron on LinkedIn, X, and Instagram.

Investor and Media Contact

Derek Cole Investor Relations Advisory Solutions [email protected]