Total Voting Rights

OpSec Security Group plc ("OpSec")

Voting Rights and Capital

In conformity with the Disclosure and Transparency Rules we would like to notify the market of the following:

OpSec's capital consists of 56,045,858 ordinary shares with voting rights, and 20,000,000 preference shares with voting rights.

There are no shares held in the treasury.

Therefore, the total number of voting rights in OpSec is 76,045,858.

The above figure may be used by shareholders 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 OpSec Security Group plc under the FSA's Disclosure and Transparency Rules.

For further information, please contact:

OpSec Security Group plc

Oriel Securities Limited