AGMB

-- Favorable safety and tolerability profile maintained through up to 60 weeks of treatment with ontunisertib in Fibrostenosing Crohn's disease (FSCD) patients -- -- Low annualized FSCD-related event rate of 3%, with one endoscopic balloon dilation (EBD) and no surgeries reported over the full treatment period -- -- Radiological assessment shows trend for fibrotic stricture stabilization over treatment course -- -- Sustained disease control observed across symptoms and disease activity scores in Open-Label Extension Study (OLE) -- -- Results support initiation of global NOV-ERA Phase 2b study in FSCD in the coming months -- -- Company to host webcast today at 8:30 a.m. Eastern Time -- Antwerp, Belgium, October 1, 2026 – Agomab Therapeutics NV (‘Agomab') a clinical-stage biopharmaceutical company focused on fibro-inflammation, today announced positive results of the 48-week OLE portion of the Phase 2a STENOVA trial evaluating ontunisertib in patients with FSCD, a severe manifestation of Crohn's disease characterized by progressive bowel fibrosis and intestinal strictures.

Agomab Therapeutics targets fibrotic strictures in Crohn's disease, aiming to create a new treatment category rather than compete with existing therapies. AGMB's ontunisertib showed promising endoscopic results and safety in Phase 2a, with further validation needed in larger, controlled trials. Strong funding runway through 2029 and disciplined R&D execution support AGMB's ability to advance clinical programs without immediate dilution risk.

-- 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) for INSPIRIA Phase 2 study in IPF patients submitted; Company intends to initiate study before year-end -- Antwerp, Belgium, September 14, 2026 – Agomab Therapeutics NV (‘Agomab'), a clinical-stage biopharmaceutical company focused on fibro-inflammation, today announced positive results of the Phase 1 study of AGMB-447 in IPF patients. AGMB-447 is an investigational inhaled lung-restricted small molecule inhibitor of ALK5 (or TGFβR1) intended for the treatment of Idiopathic Pulmonary Fibrosis (IPF).1 The Phase 1 study of AGMB-447 is a three-part, double-blind, randomized, placebo-controlled single ascending dose (SAD; Part A; dose range: 1 mg QD (once daily) to 20 mg QD) and multiple ascending dose (MAD; Part B; dose range: 1 mg QD to 6 mg BID (twice daily)) study in healthy participants and multiple dose study in IPF patients (Part C; dose range: 4.5 mg BID to 6 mg BID).

Agomab announced shareholders approved all resolutions submitted for consideration at the Company's Special and Extraordinary General Shareholders' Meeting

Antwerp, Belgium, September 3, 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 investor conferences: Citi's 2026 Biopharma Back to School Conference. Thursday, September 10, 2026 in New York, NY.

-- Regulatory alignment with U.S. Food and Drug Administration (FDA) on key elements of NOV-ERA Phase 2b study design, including novel primary endpoint of endoscopic passability -- -- Study initiation on track, with first participants expected to be dosed in the second half of 2026 -- Antwerp, Belgium, June 23, 2026 – Agomab Therapeutics NV (Nasdaq: AGMB) (“Agomab” or the “Company”), a clinical-stage biopharmaceutical company focused on fibro-inflammation, today announced the design of its upcoming Phase 2b NOV-ERA study with ontunisertib, its investigational oral gastro-intestinal (GI)-restricted small molecule inhibitor of ALK5 (or TGF-β RI) for the potential treatment of Fibrostenosing Crohn's Disease (FSCD). Approximately 46% of Crohn's disease patients have FSCD, or fibrotic strictures in the intestinal tract, which can cause obstructive symptoms leading to dietary change, malnutrition and surgery.

AgomAb Therapeutics offers high-risk, high-reward potential driven by two late-stage immunology drugs targeting large addressable markets. AGMB-129 (Crohn's disease) and AGMB-447 (IPF) have Fast Track and Orphan Drug designations, indicating significant unmet need and regulatory advantages. Strong backing from major pharma players and a high institutional ownership position, AGOM is a potential acquisition target upon successful trial outcomes.

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 December 31, 2025.

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 Treatment of Idiopathic Pulmonary Fibrosis, Shows Robust Anti-Fibrotic Activity and Target Engagement in Preclinical Species and Healthy Subjects' on Wednesday, May 20, 2026 at 8:15 AM ET in Orlando, FL.

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.