Total Voting Rights

Immediate Release

1 June 2011

VIPERA PLC

("VIPERA" or "THE COMPANY")

Total Voting Rights

For the purposes of the Disclosure and Transparency Rules of the Financial Services Authority, the Board of Vipera is required to notify the market of the following:

As at the date of this announcement, the Company's issued share capital consists of 130,003,631 ordinary shares with a nominal value of 1 p each, with voting rights ("Ordinary Shares"). The Company does not hold any Ordinary Shares in Treasury.

Therefore the total number of Ordinary Shares in the Company with voting rights is 130,003,631.

The above figure of 130,003,631 Ordinary Shares may be used by shareholders in 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 Financial Service Authority's Disclosure and Transparency Rules.

Contacts: