BioInvent International

Regulatory Filings • Apr 27, 2018

BioInvent's collaboration partner ThromboGenics initiates a Phase II combination study with the drug candidate THR-317 and ranibizumab

Lund, Sweden – 27 April 2018 – BioInvent International AB (OMXS: BINV) announced today that its partner ThromboGenics NV has initiated a Phase II study (NCT03499223) with the drug candidate THR-317 in combination with ranibizumab (Lucentis® , Novartis) for the treatment of the Diabetic Macular Edema (DME). The study will evaluate the efficacy and safety of the combination.

For further information on the study, see ThromboGenic's press release of 27 April 2018 (www.thrombogenics.com).

ThromboGenics carries all costs for the development of THR-317 and BioInvent is entitled to five percent of the project's economic value.

Notes to editors:

About BioInvent

BioInvent International AB (OMXS: BINV) is focused on the discovery and development of novel and first-in-class immuno-regulatory antibodies to treat cancer. The Company's clinical programmes are BI-1206, currently in a Phase I/II for non-Hodgkin's lymphoma and chronic lymphatic leukaemia and TB-403, in cooperation with Oncurious, currently in Phase I/II for medulloblastoma. BioInvent has an exciting pre-clinical portfolio based on novel immuno-modulatory antibodies that target regulatory T cells (T-regs) and tumour-associated myeloid cells. In December 2016, the Company signed a strategic research collaboration with Pfizer Inc. BioInvent also works with leading academic institutions including the University of Southampton, Cancer Research UK, and Penn Medicine. BioInvent generates revenues from global partnerships, including Bayer Pharma, Daiichi Sankyo, and Mitsubishi Tanabe Pharma and from its manufacturing facility for the production of antibodies for research through to late-stage clinical trials. More information is available at www.bioinvent.com.

For further information, please contact:

Björn Frendéus Acting CEO and CSO +46 (0) 46 286 25 45 +46 (0) 708 11 25 45 bjorn.frendeus@bioinvent.com

BioInvent International AB (publ)

Co. reg. No. 556537-7263 Visiting address: Sölvegatan 41 Mailing address: 223 70 LUND Phone: +46 (0)46 286 85 50 www.bioinvent.com

The press release contains statements about the future, consisting of subjective assumptions and forecasts for future scenarios. Predictions for the future only apply as the date they are made and are, by their very nature, in the same way as research and development work in the biotech segment, associated with risk and uncertainty. With this in mind, the actual outcome may deviate significantly from the scenarios described in this press release.

This information is information that BioInvent International AB is obliged to make public pursuant to the EU Market Abuse Regulation. The information was submitted for publication, through the agency of the contact person set out above, at 11.00 a.m. CET, on 27 April, 2018.