Institutional Investors
 

Spirent Communications plc
Northwood Park
Gatwick Road
Crawley
West Sussex RH10 9XN
United Kingdom
Tel: +44 (0)1293 767676
Fax: +44 (0)1293 767677
Email: investor.relations@spirent.com

Private Investors
(Ordinary Shares)

Equiniti Limited
Aspect House
Spencer Road
Lancing
West Sussex BN99 6DA
United Kingdom
Tel: 0371 384 2126 (UK)
Tel: +44 (0)121 415 7047 (overseas)
Text phone (for shareholders with hearing difficulties):
0371 384 2255 (UK) + 44 (0)121 415 7028 (overseas)
Website: www.shareview.co.uk

Private Investors
(American Depositary Shares)

BNY Mellon Corporation
ADR Depositary
PO Box 30170
College Station
TX 77842-3170
USA
Tel: +1 888 269 2377 (toll free US) 
Tel: +1 (201) 680 6825 (outside US) 
Email: shrrelations@cpushareownerservices.com  
Website: www.computershare-na.com/bnym_adr