BI-1206

LUND, SE / ACCESS Newswire / February 26, 2026 / BioInvent International (STO:BINV) - "During 2025 we sharpened our clinical focus and resource allocation to accelerate our most advanced assets, BI-1808 (anti-TNFR2) and BI-1206 (anti-FcγRIIB), while pausing earlier programs to maximize the probability of success and near-term value creation."- Martin Welschof, CEO BioInvent. EVENTS IN THE FOURTH QUARTER (R) Promising early Phase 2a monotherapy data for the company's lead anti-TNFR2 antibody BI-1808 in T-cell lymphoma (TCL) presented at ASH 2025 (R) Impressive response data from ongoing Phase 2a trial of triple combination of the company's lead anti-FcyRIIB antibody BI-1206, rituximab, and Calquence® in r/r non-Hodgkin's Lymphoma (NHL) presented at ASH 2025 Phase 2a trial started evaluating BI-1206 in combination with pembrolizumab in treatment-naïve advanced or metastatic non-small cell lung cancer (NSCLC) and uveal melanoma Orphan Drug Designation from EMA for BI‑1808 for the treatment of cutaneous T-cell lymphoma (CTCL) Phase 1 data of the company's second anti-TNFR2 antibody BI-1910 (currently paused) presented at SITC 2025 validates TNFR2 as a novel immunotherapy approach in advanced solid tumors Transgene and BioInvent presented translational data and updated clinical results on armed oncolytic virus BT-001 at ESMO 2025 BioInvent announced publication of preclinical and early clinical data for BI-1607 in HER2-positive advanced solid tumors EVENTS AFTER THE END OF THE PERIOD (R) Promising data in ongoing Phase 2a study for BI-1808 with KEYTRUDA® (pembrolizumab) for the treatment of recurrent ovarian cancer Updated clinical data sets solidify potential for both BI-1808 and pembrolizumab combination in ovarian cancer and BI-1206 triplet for the treatment of NHL, see pages 6 and 7 in the year-end report Nomination of two new board members ahead of 2026 Annual General Meeting; Kate Hermans and Scott Zinober EARLIER DURING 2025, IN BRIEF (R) Positive initial efficacy data from Phase 2a trial of triple combination of BI-1206, rituximab and Calquence® for the treatment of NHL BioInvent achieved ISO 26000 Verification, highlighting commitment to ESG and transparency (R) Promising Phase 2a monotherapy data for BI-1808 in CTCL presented at EHA 2025 Promising Phase 1 data of BI-1206 in combination with KEYTRUDA® (pembrolizumab) in solid tumors announced (R) XOMA Royalty purchased mezagitamab royalty and milestone rights held by BioInvent for up to USD 30 million Composition of matter patents for BI-1808 granted in US and Japan. They also cover the use of the antibody in the treatment of cancer FDA Fast Track Designation received for BI-1808 for the treatment of CTCL BI-1808 received Orphan Drug Designation from FDA for the treatment of TCL Strategic changes in portfolio to accelerate lead clinical programs and enhance value creation (R)= Regulatory event FINANCIAL INFORMATION Fourth quarter 2025 • Net sales SEK 3.0 (21.4) million • Profit/loss after tax SEK -125.8 (-116.9) million • Profit/loss after tax per share before and after dilution SEK -1.91 (-1.78) • Cash flow from operating activities SEK-90.6 (-98.3) million January - December 2025 • Net sales SEK 226.5 (44.7) million • Profit/loss after tax SEK -332.9 (-429.4) million • Profit/loss after tax per share before and after dilution SEK -5.06 (-6.53) • Cash flow from operating activities SEK -247.8 (-380.5) million • Liquid funds, current and long-term investments as of December 31, 2025: SEK 592.7 (867.2) million The complete interim report is available for download below and on the company's website under Financial reports . INVITATION TO PRESENTATION OF THE YEAR-END REPORT 2025 BioInvent's CEO Martin Welschof will present the report together with CFO Stefan Ericsson. The presentation will be held in English. When: Thursday February 26, 2026, at 2:00 pm CET The webcast can be reached at . If you wish to ask questions and participate via telephone, please register at the link below. After registration you will be provided with a phone number and a conference ID to access the conference. . The conference call will be made available on the company website after the call. About BioInvent BioInvent International AB (Nasdaq Stockholm: BINV) is a clinical-stage biotech company that discovers and develops novel and first-in-class immuno-modulatory antibodies for cancer therapy, with drug candidates in ongoing clinical programs in Phase 1/2 trials for the treatment of hematological cancer and solid tumors. The Company's validated, proprietary F.I.R.S.T ™ technology platform identifies both targets and the antibodies that bind to them, generating many promising new immune-modulatory candidates to fuel the Company's own clinical development pipeline and providing licensing and partnering opportunities. The Company generates revenues from research collaborations and license agreements with multiple top-tier pharmaceutical companies, as well as from producing antibodies for third parties in the Company's fully integrated manufacturing unit. More information is available at . For further information, please contact: Cecilia Hofvander, VP Investor Relations Phone: +46 (0)46 286 85 50 Email: cecilia.hofvander@bioinvent.com BioInvent International AB (publ) Co. Reg. No.: 556537-7263 Visiting address: Ideongatan 1 Mailing address: 223 70 LUND Phone: +46 (0)46 286 85 50 Attachments BioInvent Q4, 2025 EN Final SOURCE: BioInvent International View the original press release on ACCESS Newswire

Kate Hermans: Global life sciences executive with 25+ years of leadership across biopharma, commercial strategy, global operations, and value-creation transformations in both public and venture-backed companies Scott Zinober: Senior investment professional with 25 years global experience with focus on public companies, including two decades as senior portfolio manager at Viking Global Investors LUND, SE / ACCESS Newswire / February 23, 2026 / BioInvent International AB ("BioInvent") (Nasdaq Stockholm:BINV)(STO:BINV), a biotech company focused on the discovery and development of novel and first-in-class immune-modulatory antibodies for cancer immunotherapy, today announced the nomination of. Kate Hermans and Scott Zinober as new members of the Board of Directors. Their elections will be put forward for shareholder approval at the Annual General Meeting (AGM) on April 29, 2026. While the formal notice to the AGM will be published in March, BioInvent is pleased to share these nominations in advance given the strategic, operational, and financial leadership both candidates bring to the Company. "We are delighted to nominate Kate Hermans and Scott Zinober to the BioInvent Board," said Leonard Kruimer, Chairman of the BioInvent Board of Directors. "Kate brings valuable global operating experience and a track record of transforming and accelerating growth across biopharma organizations. Her commercial, strategic, and leadership experience will benefit BioInvent as our pipeline matures toward late-stage development and commercialization. Scott's experience in global healthcare investment and especially US capital markets insights will be key to developing viable financing strategies for the company going forward. As prospective new board members Kate's and Scott's experience in healthcare will broaden the board capabilities as we execute on our clinical strategy, advance our lead clinical candidates BI-1808 and BI-1206, and strengthen BioInvent's position as a global immuno-oncology innovator." Kate Hermans Kate Hermans is an accomplished global executive with more than 25 years of leadership experience across large enterprises and venture-backed biotechs, with multiple successful exits. Passionate about advancing high-science medicines and high-tech solutions that improve patients' lives, she is recognized for her commercial agility and ability to unlock potential through creative, often nonlinear approaches. As Interim CEO and President of Ambrx Biopharma, she drove a transformation that doubled the cash runway and positioned the company for its $2 billion acquisition by Johnson & Johnson in 2024. She previously held senior roles at 83bar LLC, Radius Health, Bristol Myers Squibb, Pfizer/Wyeth, and Intel, and brings extensive board leadership experience. Kate Hermans has attended advanced executive education through the CEDEP International General Management Program at INSEAD in Fontainebleau, France;.She holds a Master's in International Management with concentrations in Finance and Global Management from the Thunderbird School of Global Management; and earned a Bachelor's degree Magna Cum Laude in International Relations from Wheaton College, including program at the Institut d'Études Politiques (Sciences Po) in Paris. Board Chair of Clue, a leader in the FemTech space. Scott Zinober Scott Zinober is a senior investment leader with more than 25 years of global public and private equity experience, including two decades at Viking Global Investors. At Viking, he served as Healthcare Analyst, Portfolio Manager, Senior Portfolio Manager, and Team Leader overseeing both public and private healthcare portfolios. His responsibilities included investment strategy, therapeutics diligence, team leadership, and value creation across the biotechnology, pharma, and healthcare ecosystem. Scott Zinober also served on Viking's Investment Steering Committee, Management Committee, and the Viking Foundation Board. Earlier in his career, he focused on biotechnology investments at Putnam Investments. He holds an MBA from the MIT Sloan School of Management and a BA in Economics & Psychology from Williams College. Board members not up for reelection The existing Board Members Laura Lassouw-Polman, Kristoffer Bissessar and Thomas Hecht have declined re-election at the AGM on April 29, 2026. About BioInvent BioInvent International AB (Nasdaq Stockholm:BINV) is a clinical-stage biotech company that discovers and develops novel and first-in-class immuno-modulatory antibodies for cancer therapy, with drug candidates in ongoing clinical programs in Phase 1/2 trials for the treatment of hematological cancer and solid tumors. The Company's validated, proprietary F.I.R.S.T ™ technology platform identifies both targets and the antibodies that bind to them, generating many promising new immune-modulatory candidates to fuel the Company's own clinical development pipeline and providing licensing and partnering opportunities. The Company generates revenues from research collaborations and license agreements with multiple top-tier pharmaceutical companies, as well as from producing antibodies for third parties in the Company's fully integrated manufacturing unit. More information is available at . For further information, please contact: Cecilia Hofvander, VP Investor Relations Phone: +46 (0)46 286 85 50 Email: cecilia.hofvander@bioinvent.com BioInvent International AB (publ) Co. Reg. No.: 556537-7263 Visiting address: Ideongatan 1 Mailing address: 223 70 LUND Phone: +46 (0)46 286 85 50 Attachments BioInvent Announces Nomination of Two New Board Members Ahead of 2026 Annual General Meeting SOURCE: BioInvent International View the original press release on ACCESS Newswire