BioInvent Appoints Sten Westerberg as Vice President Investor Relations

Lund, Sweden – 12 April 2011 – BioInvent International AB (OMXS: BINV) has appointed Sten Westerberg to a new position as Vice President Investor Relations. Sten is today sector head at Öhman Fondkommission, Healthcare Equity Research. He previously held positions as pharmaceutical analyst at Swedbank Markets and stock market journalist at the Veckans Affärer.

“We are very pleased to have recruited Sten who has a long experience in capital markets with focus on the pharmaceutical industry” comments BioInvent’s CEO Svein Mathisen the appointment.

“BioInvent is at an exciting stage with several drug candidates advancing in the clinical trials. I look forward to working with Sten to further increase the awareness of BioInvent.”

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.

For further information, please contact:

BioInvent International AB

Svein Mathisen

President & CEO

Tel: +46 (0)46-286 85 67

Mobile: +46 (0)708-97 82 13

E-mail: svein.mathisen@bioinvent.com

Cristina Glad

Executive Vice President

Tel: +46 (0)46-286 85 51

Mobile: +46 (0)708-16 85 70

E-mail: cristina.glad@bioinvent.com

College Hill (media enquiries)

Melanie Toyne Sewell, Anastasios Koutsos

Tel: +44 (0)20 7866 7856

Rebecca Skye Dietrich

Tel: +1 (857) 241-0795

E-mail: bioinvent@collegehill.com

BioInvent International AB (publ)

Co. reg. No. 556537-7263,

Address: Sölvegatan 41

Mailing address: SE-223 70 LUND

Tel: +46 (0)46 286 85 50

info@bioinvent.com

www.bioinvent.com

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