Exhibit 99.8
UNITED UTILITIES PLC
23 MARCH 2006
We received a notification on 23 March 2006 from Fidelity International Limited, of its interest as at 22 March 2006, through the registered holders listed below, in 27,088,418 ordinary shares in United Utilities PLC amounting to 3.09 per cent of the issued share capital.
| Registered Holder | Management Company | Holding | |||||
| JP MORGAN BOURNEMOUTH | FPM | 1,537,749 | |||||
| NORTHERN TRUST LONDON | FPM | 235,518 | |||||
| MELLON BANK | FPM | 58,500 | |||||
| STATE STREET BANK AND TR CO LONDON | FPM | 11,100 | |||||
| JP MORGAN BOURNEMOUTH | FISL | 1,782,702 | |||||
| BROWN BROS HARRIMAN LTD LUX | FIL | 23,363,694 | |||||
| NORTHERN TRUST LONDON | FIL | 99,155 | |||||
| Total | 27,088,418 |
| FPM | – FIDELITY PENSION MANAGEMENT |
| FISL | – FIDELITY INVESTMENT SERVICES LIMITED |
| FIL | – FIDELITY INTERNATIONAL LIMITED |
We have also been notified by Fidelity International Limited that the notifiable interests also comprise the notifiable interest of:
Mr Edward C. Johnson 3rd , 82 Devonshire Street, Boston, MA 02109 USA being a principal shareholder of FMR Corp and Fidelity International Limited
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United Utilities’ ordinary shares trade on the London Stock Exchange and its ADRs, each equal to two ordinary shares, trade on the New York Stock Exchange under the Trading Symbol ‘UU’.
