Result of General Meeting

 7 December 2011

Antisoma plc ("Antisoma" or the "Company")

Result of General Meeting and Proposed Move to AIM

Antisoma announces that both resolutions proposed at the Company's general meeting, held earlier today, were passed by shareholders. As a result, the directors of Antisoma have been authorised to cancel the listing of ordinary shares of 1 pence each in the capital of the Company ("Ordinary Shares") on the Official List of the Financial Services Authority (the "Official List") and to apply for the admission of the Ordinary Shares to trading on AIM. The Company's proposed Investing Policy as an Investing Company on AIM was also approved.

Details of proxy votes relating to the resolutions as set out in the notice of general meeting can be viewed on Antisoma's website at www.antisoma.com/asm/ir/shareinfo/meetings/.

A copy of the document setting out the resolutions passed at the general meeting has been submitted to the National Storage Mechanism and will shortly be available for inspection at: www.hemscott.com/nsm.do.

The Company also announces that, following the general meeting, it has:

i) requested the cancellation of the listing of the Ordinary Shares on the Official List (the "Cancellation") to become effective at 8:00 a.m. on 11 January 2012; and

ii) submitted to AIM a pre-admission announcement in accordance with Rule 2 of the AIM Rules for Companies to apply for the Ordinary Shares to be admitted to trading on AIM ("Admission"). It is expected that Admission will become effective and dealings in the Ordinary Shares will commence on AIM at 8.00 a.m. on 11 January 2012.

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