RNS Number : 8834S
Spirent Communications PLC
28 July 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
JPMorgan Chase & Co.
City of registered office (if applicable)
Country of registered office (if applicable)
US
4. Details of the shareholder
Name
City of registered office
Country of registered office
J.P. Morgan Securities plc
5. Date on which the threshold was crossed or reached
24-Jul-2025
6. Date on which Issuer notified
28-Jul-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
6.377038
0.345968
6.723006
39070908
Position of previous notification (if applicable)
6.169382
0.343698
6.513080
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
37060143
6.377038
Sub Total 8.A
37060143
6.377038%
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
Cash-settled Equity Swap
15/04/2026
15/04/2026
Cash
137640
0.023672
Cash-settled Equity Swap
28/05/2026
28/05/2026
Cash
1273
0.000219
Cash-settled Equity Swap
23/06/2026
23/06/2026
Cash
700000
0.120441
Cash-settled Equity Swap
23/07/2026
23/07/2026
Cash
7333
0.001261
Cash-settled Equity Swap
24/07/2026
24/07/2026
Cash
70
0.000012
Cash-settled Equity Swap
19/08/2026
19/08/2026
Cash
12478
0.002145
Cash-settled Equity Swap
26/08/2026
26/08/2026
Cash
6
0.000000
Cash-settled Equity Swap
30/05/2028
30/05/2028
Cash
238
0.000040
Cash-settled Equity Swap
02/05/2030
02/05/2030
Cash
1151727
0.198178
Sub Total 8.B2
2010765
0.345968%
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
JPMorgan Chase & Co.
J.P. Morgan Securities plc
5.849067
6.195035%
JPMorgan Chase & Co.
J.P. Morgan SE
JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association
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
Chain of controlled undertakings:
JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)
J.P. Morgan International Finance Limited (100%)
J.P. Morgan Capital Holdings Limited (100%)
J.P. Morgan Securities plc (100%)
JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)
J.P. Morgan International Finance Limited (100%)
J.P. Morgan SE (100%)
JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)
12. Date of Completion
28-Jul-2025
13. Place Of Completion
London, United Kingdom
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