The Vanguard Group Discloses Position in Spirent Communications

The Vanguard Group, Inc. has disclosed its stake in Spirent Communications plc, in compliance with Rule 8.3 of the Takeover Code. As of October 15, 2025, Vanguard holds 31,347,673 ordinary shares in Spirent Communications, representing a 5.31% interest. This was revealed in a Form 8.3 disclosure, highlighting the company's position in the relevant securities.

No cash-settled or stock-settled derivatives, including options, were reported in the disclosure. Additionally, no other agreements, such as indemnity or option arrangements, concerning these securities were noted. Vanguard also reported a recent purchase of 5,112 shares at 1.99 GBP per unit.

The disclosure did not include any other dealings or open derivative positions involving Spirent. No additional parties or interests were mentioned, and there were no attachments of a Supplemental Form 8.