Director/PDMR Shareholding

18 April 2007

                            Surface Transforms plc                             

                    ("Surface Transforms" or the "Company")                    

                Director's shareholding and holdings in Company                

The Company announces that Julio Faria, Technical Director, yesterday sold
9,756 ordinary shares in the Company at 20.5p per share, equivalent to 0.07 per
cent of the issued voting share capital of the Company. Mr Faria now holds
1,848,089 ordinary shares in the Company, equivalent to 13.17 per cent of the
issued voting share capital of Surface Transforms.

The ordinary shares have been acquired by Geoff Hall, Financial Controller and
Company Secretary, and his wife Susan Hall. Following the purchase Mr Hall and
his wife hold 24,040 ordinary shares in the Company, equivalent to 0.17 per
cent of the issued voting share capital of Surface Transforms.

The Company also announces that it was notified yesterday that Gartmore
Investment Management has purchased 1,075,000 ordinary shares in the Company in
two transactions, equivalent to 7.66 per cent of the issued voting share
capital of the Company. This is Gartmore Investment Management's entire
holding.

In addition, the Company was notified yesterday that JP Morgan Asset Management
has sold 468,571 ordinary shares in the Company, equivalent to 3.34 per cent of
the issued voting share capital of the Company. Following the sale JP Morgan
Asset Management no longer has a notifiable interest in the voting share
capital of Surface Transforms.

ENQUIRIES:

Surface Transforms plc                                                       
                                                                             
Geoff Hall                                                 Tel: [phone]
                                                                             
Kevin Johnson                                                                
                                                                             
John East & Partners Limited                                                 
                                                                             
Simon Clements                                             Tel: [phone]
                                                                             
Teather & Greenwood Limited                                                  
                                                                             
Sindre Ottesen                                              Tel: [phone]
                                                                             
Richard Kirkham