Holding in Company

Serco Group PLC
2 May 2001

Serco Group plc

In accordance with Sections 198 - 202 of the Companies Act 1985, the Company
has today been notified of the following increased Notifiable Interest, which
was effected  on 26 April 2001 :

Merrill Lynch Investment Managers Limited   12.04%

Contact : Francesca Todd 01932 755900