BioInvent International

Prospectus • Jul 3, 2013

Not for release, or for publication or distribution, directly or indirectly in or into the United States, Australia, Hong Kong, Canada, Japan, New Zeeland or South Africa.

BioInvent makes prospectus regarding rights issue public

Lund, Sweden – 3 July 2013 – BioInvent International AB (OMXS: BINV)

The prospectus regarding BioInvent's rights issue has been approved and registered by the Swedish Financial Supervisory Authority and is now available on the company's website, www.bioinvent.com, as well as on Aktieinvest FK AB's website, www.aktieinvest.se under the section "Emissionsuppdrag".

To the editors:

About BioInvent

BioInvent International AB, listed on the NASDAQ OMX Stockholm (BINV), is a research-based pharmaceutical company focused on discovery and development of innovative antibody-based drugs against cancer. The Company's pipeline currently includes three product candidates for the treatment of cancer.

The Company's competitive position is underpinned by n-CoDeR® , a proprietary antibody development platform. The scope and strength of this platform is also used to develop antibodybased drugs in collaboration with partners who finance the development of the new drug, and provide BioInvent the right to milestone payments and royalties on sales. These partners include Bayer HealthCare, Daiichi Sankyo, Mitsubishi Tanabe and Servier. More information is available at www.bioinvent.com.

For further information, please contact:

Cristina Glad Björn O. Nilsson President and CEO Chairman of the board +46 (0)46 286 85 51 +46 (0)70-218 15 00 +46 (0)708 16 85 70 cristina.glad@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 info@bioinvent.com www.bioinvent.com

Important information

The information in this press release does not contain or constitute an offer to acquire, subscribe or otherwise trade in shares, subscription rights or other securities in BioInvent International AB. Any invitation to the persons concerned to subscribe for shares in BioInvent will only be made through the prospectus that BioInvent made public on 3 July 2013.

This press release may not be published or distributed, directly or indirectly in or into the United States, Australia, Hong Kong, Canada, Japan, New Zealand, South Africa or any other jurisdiction where such action is wholly or partially subject to legal restrictions or where such action would require additional prospectuses, registrations or other actions in addition to what follows from Swedish law. Nor may the information in this press release be forwarded, reproduced or disclosed in such a manner that contravenes such restrictions or would require such requirements. Failure to comply with this instruction may result in a violation of applicable securities laws.

No subscription rights, BTAs (interim shares) or new shares will be registered under the United States Securities Act of 1933 ("Securities Act") or securities legislation in any other state or other jurisdiction in the United States and may not be offered, subscribed, sold or transferred, directly or indirectly within the United States, other than pursuant to an exemption from the registration requirements of the Securities Act and in accordance with securities laws in relevant state or other jurisdiction in the United States.

This press release may contain forward-looking statements which reflect BioInvent's current view on future events and financial and operational development. Words such as "intend", "expect", "anticipate", "may", "believe", "plan", "estimate" and other expressions which imply indications or predictions of future development or trends, and which are not based on historical facts, are intended to identify forward-looking statements. Forward-looking statements inherently involve both known and unknown risks and uncertainties because they depend on future events and circumstances. Forward-looking statements do not guarantee future results or development and the real outcome could differ materially from the forward-looking statements.