•      Lonza to support development and manufacturing of ImmuneOncia’s Danburstotug with a complete and
integrated end-to-end drug substance and drug product solution

•      Collaboration to support late-stage clinical development and potential commercialization

Basel, Switzerland, and Seoul, Republic of Korea, 30 March 2026 – ImmuneOncia Therapeutics, Inc.,
a clinical-stage biopharmaceutical company focused on immuno-oncology, and Lonza, one of the world’s
largest contract development and manufacturing organizations (CDMOs), announced today that the
companies signed a manufacturing agreement for late-stage clinical supply of Danburstotug (IMC-001).

Danburstotug is a fully human monoclonal antibody designed as an immune checkpoint inhibitor
targeting the programmed death-ligand 1 (PD-L1) and under clinical investigation for treating
relapsed/refractory NK/T-cell lymphoma.

 
Under the terms of the agreement, Lonza will provide development and clinical manufacturing services for
drug substance and drug product. Drug substance will be manufactured at its Slough (UK) site, and drug
product development and clinical manufacturing will be provided at its Basel and Stein (CH) sites.

ImmuneOncia leverages Lonza’s end-to‑end development and manufacturing expertise, backed by a strong
regulatory track record and an integrated drug substance and drug product manufacturing network for its
late clinical and commercial readiness phases.

Heung-Tae Kim, CEO, ImmuneOncia, added: “ImmuneOncia plans to target the rare cancer indication
NKT cell lymphoma for early approval. Our collaboration with Lonza serves as a testament to
Danburstotug's technology and commercial value on the global stage, expected to create a favorable
foundation for future global licensing and overseas market entry.”

Michael de Marco, Vice President of Commercial Development, Integrated Biologics, Lonza, said:
“Our collaboration with ImmuneOncia underscores our commitment to supporting biotech companies
across their development pipeline and advancing their programs towards commercialization. Our
comprehensive end-to-end capabilities, spanning drug substance through to drug product manufacturing,
will allow ImmuneOncia to focus on bringing Danburstotug to the global market.”

About ImmuneOncia Therapeutics, Inc.

Founded in 2016, ImmuneOncia is a South Korean clinical-stage biotech company specializing in immuno-oncology.
With expertise in antibody development and translational science, the company is advancing a pipeline of checkpoint
inhibitors and bispecific antibodies to address unmet needs in cancer treatment.

Immuneoncia.com

Lonza Contact Details 

media@lonza.com  

ImmuneOncia Contact Details 

PR@immuneoncia.com