Dallas, Texas--(Newsfile Corp. - February 10, 2026) - AB Science S.A. (ENXTPA: AB): Stonegate Capital Partners Initiates Coverage on AB Science S.A. (ENXTPA: AB). AB Science is a late-stage biotech advancing masitinib, an oral, selective tyrosine kinase inhibitor designed to modulate maladaptive neuroinflammation through mast-cell and microglia/macrophage pathways. The Company is positioning masitinib as an add-on therapy across ALS, progressive MS, and AD, while maintaining earlier-stage upside through AB8939 in AML. The combination of a treatment for ALS along with the optionality that comes with the rest of the Company's portfolio makes us excited to monitor the development of AB's Masitinib asset.

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Key Takeaways:

• ALS program supported by prior Phase 2b/3 data
• For progressive MS, the Phase 3 trial is authorizedin the US and 12 EU countries with ~94 sites initiating
• Financing supported by grants

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About Stonegate
Stonegate Capital Partners is a leading capital markets advisory firm providing investor relations, equity research, and institutional investor outreach services for public companies. Our affiliate, Stonegate Capital Markets (member FINRA) provides a full spectrum of investment banking services for public and private companies.

Source: Stonegate, Inc.

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