Employee Benefit Trust Dealings

1 July 2010

OpSec Security Group plc

Employee Benefit Trust Dealings

OpSec Security Group plc (the "Company") announces that it was notified on 30 June 2010 that on that day, the OpSec Security Group Employee Benefit Trust (the "Trust") purchased 30,600 ordinary shares of 5 pence each ("Shares") at a price of 27.1 pence per Share.

The Company was also notified on 1 July 2010 that on that day, the Trust purchased 200,000 Shares at a price of 27.1 pence per Share.

The purchases were made in order to cover obligations of the Trust under the Company's employee share schemes.

Following these transactions the Trust now holds 5,240,281 Shares, representing 6.89% of the Company's issued share capital and voting rights.

The Executive Directors of the Company are potential beneficiaries of Shares held in the Trust.

For further information, please contact: