Holding(s) in Company

DAT Group PLC
20 December 2004


20 December 2004

                                 DAT Group plc
                               Holding in Company


NOTIFICATIONS UNDER SECTIONS 198 TO 202 - - U.K. COMPANIES ACT

1.   Company in which shares are held: DAT Group plc
     
2.   Notifiable Interest: Ordinary Shares of 1p each

     Fidelity International Limited (FIL)
     P.O. Box HM 670
     Hamilton HMCX, Bermuda

     Parent holding company for various direct and indirect subsidiaries,
     including Fidelity Investment Services Ltd (FISL) and Fidelity Pension
     Management (FPM), investment managers for various non-US investment 
     companies and institutional clients. (See Schedule A for listing of 
     Registered Shareholders and their holdings.)

3.   The notifiable interests also comprise the notifiable interest of:

     Mr. Edward C. Johnson 3d
     82 Devonshire Street
     Boston, MA 02109

     A principal shareholder of Fidelity International Limited.

4.   The notifiable interests include interest held on behalf of authorised unit
     trust schemes in the U.K., notwithstanding the exemption from reporting
     pursuant to Section 209 (1)(h) of the Companies Act 1985.

5.   These notifications of disclosable interests constitute separate
     notifications of interest in the shares and are combined solely for the
     purposes of clarity and efficiency. Nothing herein should be taken to
     indicate that Fidelity International Limited and its direct and indirect
     subsidiaries or Mr. Edward C. Johnson 3d act as a group or in concert in 
     respect of the disclosed interests, or that they are required to submit 
     these notifications on a joint basis.

6.   The disclosable interests arise under section 208 (4)(b) of the Act,
     namely where a person, not being the registered holder, is entitled to
     exercise a right conferred by the holding of the shares or to control the
     exercise of such rights, or under section 203 of the Act respectively.

Schedule A
Security: DAT Group plc

Shares Held   Management Company      Nominee/Registered Name

758,300       FIL                     Brown Brothers Harriman Ltd A/c LUX


Total Ordinary Shares: 758,300

Current ownership percentage: 4.07%

Shares in issue: 18,615,304


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