Proximagen Neuroscience plc
(the "Company")

Additional Listing

Total Voting Rights For the purposes of the provisions of the Financial Services Authority's Disclosure and Transparency Rules, the total number of ordinary shares of 1p each in the capital of the Company in issue as at the date of this notice is 20,058,872 with each share carrying the right to one vote. There are no shares held in treasury. Therefore, the total number of voting rights in the Company is 20,058,872. The above figure may be used by shareholders of the Company as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the share capital of the Company under the Disclosure and Transparency Rules.

For further information contact:

James Hunter, Finance Director, Proximagen Neuroscience plc Tel 020 7848 6938