RNS Number : 7229B
Spirent Communications PLC
01 October 2025
TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB0004726096
Issuer Name
SPIRENT COMMUNICATIONS PLC
UK or Non-UK Issuer
UK
2. Reason for Notification
An acquisition or disposal of voting rights
3. Details of person subject to the notification obligation
Name
Morgan Stanley
City of registered office (if applicable)
Country of registered office (if applicable)
US
Name
City of registered office
Country of registered office
Morgan Stanley
Wilmington, Delaware
USA
4. Details of the shareholder
Name
City of registered office
Country of registered office
Morgan Stanley & Co. International plc
London
UNITED KINGDOM
5. Date on which the threshold was crossed or reached
29-Sep-2025
6. Date on which Issuer notified
01-Oct-2025
7. Total positions of person(s) subject to the notification obligation
% of voting rights attached to shares (total of 8.A)
% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)
Total of both in % (8.A + 8.B)
Total number of voting rights held in issuer
Resulting situation on the date on which threshold was crossed or reached
10.683456
0.202381
10.885837
64204440
Position of previous notification (if applicable)
11.011239
0.240047
11.251286
8. Notified details of the resulting situation on the date on which the threshold was crossed or reached
8A. Voting rights attached to shares
Class/Type of shares ISIN code(if possible)
Number of direct voting rights (DTR5.1)
Number of indirect voting rights (DTR5.2.1)
% of direct voting rights (DTR5.1)
% of indirect voting rights (DTR5.2.1)
GB0004726096
63010796
10.683456
Sub Total 8.A
63010796
10.683456%
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
Type of financial instrument
Expiration date
Exercise/conversion period
Number of voting rights that may be acquired if the instrument is exercised/converted
% of voting rights
Sub Total 8.B1
8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))
Type of financial instrument
Expiration date
Exercise/conversion period
Physical or cash settlement
Number of voting rights
% of voting rights
Equity Swap
23/03/2026
at any time
Cash
102500
0.017379
Equity Swap
31/07/2026
at any time
Cash
50000
0.008477
Equity Swap
08/09/2026
at any time
Cash
611770
0.103725
Equity Swap
05/02/2027
at any time
Cash
429374
0.072800
Sub Total 8.B2
1193644
0.202381%
9. Information in relation to the person subject to the notification obligation
2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)
Ultimate controlling person
Name of controlled undertaking
% of voting rights if it equals or is higher than the notifiable threshold
% of voting rights through financial instruments if it equals or is higher than the notifiable threshold
Total of both if it equals or is higher than the notifiable threshold
Morgan Stanley (Chain 1)
Morgan Stanley (Chain 1)
Morgan Stanley Capital Management, LLC
Morgan Stanley (Chain 1)
Morgan Stanley Domestic Holdings, LLC
Morgan Stanley (Chain 1)
Morgan Stanley Capital Services LLC
Morgan Stanley (Chain 2)
Morgan Stanley (Chain 2)
Morgan Stanley International Holdings Inc.
Morgan Stanley (Chain 2)
Morgan Stanley International Limited
Morgan Stanley (Chain 2)
Morgan Stanley Investments (UK)
Morgan Stanley (Chain 2)
Morgan Stanley & Co. International plc
10.683455
10.769705%
Morgan Stanley (Chain 3)
Morgan Stanley (Chain 3)
Morgan Stanley Capital Management, LLC
Morgan Stanley (Chain 3)
Morgan Stanley Smith Barney LLC
10. In case of proxy voting
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held
11. Additional Information
12. Date of Completion
01-Oct-2025
13. Place Of Completion
Mumbai
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