Total Voting Rights

STM Group PLC
12 April 2007


                                  STM GROUP PLC
                            ('STM' or 'the Company')

                            Voting Rights and Capital


STM's issued capital comprises 35,215,000 shares of common stock of par value
0.1 p each. All of these ordinary shares carry voting rights.

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 change to their interest in,  STM Group plc under the FSA's 
Disclosure and Transparency Rules.


For further Information:

STM Group  plc                                     Tel: + 350 51610
Tim Revill, Chief Executive Officer


Daniel Stewart & Company plc                       Tel: [phone]
Tessa Smith



                      This information is provided by RNS
            The company news service from the London Stock Exchange