SOURCE: Spirent PLC

March 08, 2006 07:09 ET

Spirent Plc announces Director/PDMR Shareholding

Crawley, UK -- (MARKET WIRE) -- March 8, 2006 --

                         SPIRENT PLC  (the "Company")

                       NOTIFICATION OF DEEMED INTERESTS
                BY DIRECTORS, PERSONS DISCHARGING MANAGERIAL
                     RESPONSIBILITY OR CONNECTED PERSONS

The Company was notified on 7 March 2006 that Spirent Sharesave Trust Limited, the trustee for the Spirent Sharesave Trust (the "Trust") had transferred 253,065 Ordinary shares in the Company to satisfy the exercise of options under the Company's Savings Related Share Option Scheme as follows:

                   No of Shares                   Option Price
                        118,091                       41 pence
                        134,974                       38 pence
                        -------
                        253,065
                        =======
Following this transfer the total number of Ordinary shares held by the Trust is:

2,524,902 (representing 0.2612% of the issued share capital of the Company).

The Company's executive directors are potential beneficiaries of the Trust (together with all other UK employee share option holders) and are, therefore, treated under the Companies Act 1985 as having a deemed interest in the total number of shares held by the Trust. As a result, the directors' deemed interest in the Trust has been reduced by the above number of shares transferred.

For the avoidance of doubt, the Company confirms that this notification does not relate to an actual dealing in securities by the executive directors whose interests in the Company's securities remain unchanged notwithstanding the above events.

Michael Anscombe
Deputy Company Secretary
Spirent plc


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