Topline Phase 1 data shows generally favorable safety and tolerability profile of AGMB-447 Pharmacokinetic profile confirms efficient lung restriction with low systemic exposure and high exposure of AGMB-447 in the lung, in line with prior results observed in healthy participants Robust target engagement of ALK5 observed with AGMB-447 in IPF patients Clinical Trial Application (CTA)

Antwerp, Belgium, May 27, 2026 – Agomab Therapeutics NV (Nasdaq: AGMB) (“Agomab”), a clinical-stage biopharmaceutical company focused on fibro-inflammation, today announced the results of its Annual General Meeting (AGM) held on Tuesday, May 26, 2026. All items on the agenda were approved, including: • Approval of the statutory financial statements for the financial year ended

Antwerp, Belgium, May 14, 2026 – Agomab Therapeutics NV (Nasdaq: AGMB) (“Agomab”), a clinical-stage biopharmaceutical company focused on fibro-inflammation, today announced that members of the management team will participate in the following upcoming industry and investor conferences: • ATS International Conference 2026. Poster Board #904 titled ‘AGMB-447, an Inhaled Lung-Restricted TGFβR1/ALK5 Inhibitor Intended for the

Antwerp, Belgium, April 23, 2026 – Agomab Therapeutics NV (Nasdaq: AGMB) (“Agomab”), a clinical-stage biopharmaceutical company focused on fibro-inflammation, today reported financial results for the full year period ended December 31, 2025, and confirmed its outlook for 2026. — Cash and Cash Investments at December 31, 2025 of €116.5 Million and Gross Proceeds of …

Antwerp, Belgium, March 26, 2026 – Agomab Therapeutics NV (Nasdaq: AGMB) (“’Agomab’”), a clinical-stage biopharmaceutical company focused on fibrosis, today announced that the United States Patent and Trademark Office (USPTO) has granted U.S. Patent No. 12,577,230, covering the composition of matter of AGMB-447, to Agomab. AGMB-447 is the company’s investigational inhaled lung-restricted small molecule inhibitor