Topotarget A/S Symbion Fruebjergvej 3 DK 2100 Copenhagen Denmark Tel: +45 39 17 83 92 Fax: +45 39 17 94 92 CVR-nr: 25695771 www.topotarget.com Copenhagen - 19 April, 2010 - Topotarget A/S (NASDAQ OMX: TOPO) hereby announces that the Company has today received a notification from BankInvest, that BankInvest's holdings of shares and voting rights are now less than 5% of Topotarget's total share capital and total number of voting rights. Today's news does not change Topotarget's full-year financial guidance. Topotarget A/S For further information, please contact: Francois Martelet Direct +45 39 17 94 99 CEO Mobil +45 31 36 83 41 Background information About Topotarget Topotarget (NASDAQ OMX: TOPO) is an international biotech company headquartered in Denmark, dedicated to finding ''Answers for Cancer'' and developing improved cancer therapies. Topotarget currently focuses, in collaboration with Spectrum Pharmaceuticals, Inc., on the development in pivotal studies of its lead drug candidate, Belinostat, which has shown proof of concept as monotherapy in treating haematological malignancies and positive results in solid tumours. Belinostat can be used in combination with full doses of chemotherapy, and is in a pivotal trial within PTCL (peripheral T-cell lymphoma). Topotarget is directing its efforts on belinostat and on additional key cancer targets, including HDACi, NAD+, mTOR, FASLigand and topoisomerase II inhibitors. The Company's first marketed product, Savene®/Totect®, was approved by EMEA in 2006 and the FDA in 2007, and is marketed by Topotarget's own sales force in the US. For more information, please refer to www.topotarget.com. Topotarget Safe Harbour Statement This announcement may contain forward-looking statements, including statements about our expectations of the progression of our preclinical and clinical pipeline including the timing for commencement and completion of clinical trials and with respect to cash burn guidance. Such statements are based on management's current expectations and are subject to a number of risks and uncertainties that could cause actual results to differ materially from those described in the forward-looking statements. Topotarget cautions investors that there can be no assurance that actual results or business conditions will not differ materially from those projected or suggested in such forward-looking statements as a result of various factors, including, but not limited to, the following: The risk that any one or more of the drug development programs of Topotarget will not proceed as planned for technical, scientific or commercial reasons or due to patient enrolment issues or based on new information from non-clinical or clinical studies or from other sources; the success of competing products and technologies; technological uncertainty and product development risks; uncertainty of additional funding; Topotarget's history of incurring losses and the uncertainty of achieving profitability; Topotarget's stage of development as a biopharmaceutical company; government regulation; patent infringement claims against Topotarget's products, processes and technologies; the ability to protect Topotarget's patents and proprietary rights; uncertainties relating to commercialization rights; and product liability expo-sure; We disclaim any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, unless required by law.