VERAXA Biotech (NASDAQ: VRXA) announced the advancement of its bispecific antibody-drug conjugate (“bsADC”) program, VXA-222, after reaching a key technical milestone in its collaboration with OmniAb (NASDAQ: OABI). The company said OmniAb has successfully completed its discovery work, allowing the program to move into its next phase. VXA-222 is designed to target two tumor antigens with a single molecule using an “AND-gate” approach intended to improve precision in treating solid tumors.

Under the collaboration launched in May 2025, OmniAb provided antibody discovery technologies, including its OmniClic(TM) platform, while VERAXA is applying its proprietary linker technology and conjugation expertise to develop and validate the lead bsADC candidate. VERAXA holds exclusive rights to develop and commercialize products arising from the collaboration, with OmniAb entitled to a share of specified revenue generated from resulting products.

To view the full press release, visit https://ibn.fm/qMRuJ

About VERAXA Biotech AG (NASDAQ: VRXA)

At VERAXA, we are building a premier engine for the discovery and development of next-generation antibody-based therapeutics, including bispecific T cell engagers, bispecific ADCs and other innovative formats. Powered by a suite of transformative technologies and guided by rigorous quality-by-design principles, we are rapidly advancing our pipeline of ADCs and proprietary BiTAC formats into clinical development and beyond. VERAXA was founded on scientific breakthroughs made at the European Molecular Biology Laboratory (EMBL), a world-renowned institution known for pioneering life science research and cutting-edge technology.

BiTAC(R) is a registered trademark of VERAXA Biotech GmbH.

NOTE TO INVESTORS: The latest news and updates relating to VRXA are available in the company’s newsroom at http://ibn.fm/VRXA

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