Invitation to BioInvent Capital Markets Day on November 8, 2011

We have the pleasure to invite participants of the capital market and media to BioInvent’s first Capital Markets Day. The event will take place on November 8 in Wallenbergsalen, Kungl. Ingenjörsvetenskapsakademin (IVA), Grev Turegatan 16, Stockholm.

Presentations will start at 8:00 and end at around 14.00. Breakfast and lunch will be served during the course of the meeting.

The meeting will focus on BioInvent’s clinical portfolio with presentations of both external and internal speakers. The final agenda will be released later at the BioInvent home page.

A webcast will be available for those unable to attend in person. Please register for the meeting by mailing no later than October 27 to marie.serwe@bioinvent.com.

Looking forward to see you on November 8!

Svein Mathisen, CEO
and
Sten Westerberg, VP Investor Relations

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Notes to Editors:

About BioInvent

BioInvent International AB, listed on the NASDAQ OMX Stockholm (BINV), is a research-based

pharmaceutical company that focuses on developing antibody drugs. The Company currently has four clinical development projects within the areas of thrombosis, cancer and atherosclerosis. The Company has signed various strategic alliances to strengthen the product pipeline and increase the likelihood of success. These partners include Genentech, Human Genome Sciences, Roche and ThromboGenics.

The company’s competitive position is underpinned by an in substance patented antibody development platform. The scope and strength of this platform is also utilised by partners, such as Bayer HealthCare, Daiichi Sankyo, Mitsubishi Tanabe, UCB and XOMA. More information is available at www.bioinvent.com.

Information disclosed in this press release is provided herein pursuant to the Swedish Securities Markets Act and/or the Swedish Financial Instruments Trading Act. The information was submitted for publication at 8.30 a.m. CET, on 12 September, 2011.