Holding(s) in Company

DAT Group PLC
06 October 2005

6 October 2005



                                 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



    (A)  FMR Corp.

         82 Devonshire Street

         Boston, MA 02109



Parent holding company of Fidelity Management & Research Company (FMRCO),
investment manager for US mutual funds, and Fidelity Management Trust Company
(FMTC), a US state chartered bank which acts as a trustee or investment manager
of various pension and trust accounts. (See Schedule A for listing of Registered
Shareholders and their holdings.)



    (B)  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), Fidelity Gestion (FIGEST),
Fidelity Investments Advisory (Korea) Limited (FIA(K)L), Fidelity Investments
Management (Hong Kong) Limited (FIMHK), Fidelity Pension Management (FPM),
Fidelity Investments Japan (FIJ) and Fidelity Investments International (FII),
investment managers for various non-US investment companies and institutional
clients.



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 FMR Corp. and 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 FMR Corp. and its direct and indirect subsidiaries, 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

           1,806,000            FMRCO                            Mellon Bank N.A.
               22,600           FIL                              Brown Brothers Harriman Ltd LUX



Total Shares Held:              1,828,600
Percentage Held:                9.78%

Date Company Notified:          5 October 2005




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