The Vanguard Group Discloses Significant Stake in Spirent Communications

The Vanguard Group, Inc., a leading investment management company, has released a Form 8.3 disclosure, revealing its substantial holdings in Spirent Communications plc. As of July 16, 2025, Vanguard controls 30,599,218 ordinary shares, representing 5.27% of Spirent's equity.

Alongside the equity position, a purchase of 11,462 ordinary shares at a price of 1.95 GBP per share has been reported. This transaction adds to Vanguard's significant existing investment in Spirent.

No active derivative positions or any associated indemnity agreements are disclosed. Furthermore, there are no formal or informal arrangements regarding securities voting rights or disposition.

This disclosure complies with Rule 8.3 of the Takeover Code, ensuring transparency within the regulatory framework. Investors and market participants can access the Code on the Takeover Panel's website.