RNS Number : 1015A
Spirent Communications PLC
19 September 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
17-Sep-2025
6. Date on which Issuer notified
19-Sep-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
5.140604
0.883311
6.023915
35528930
Position of previous notification (if applicable)
5.155574
0.805188
5.960762
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
30319176
5.140604
Sub Total 8.A
30319176
5.140604%
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
25/09/2025
25/09/2025
Cash
0
0.000000
Cash-settled Equity Swap
28/11/2025
28/11/2025
Cash
791175
0.134143
Cash-settled Equity Swap
15/04/2026
15/04/2026
Cash
1103846
0.187157
Cash-settled Equity Swap
19/08/2026
19/08/2026
Cash
150
0.000025
Cash-settled Equity Swap
26/08/2026
26/08/2026
Cash
46259
0.007843
Cash-settled Equity Swap
02/09/2026
02/09/2026
Cash
4119
0.000698
Cash-settled Equity Swap
18/09/2026
18/09/2026
Cash
39928
0.006770
Cash-settled Equity Swap
06/10/2026
06/10/2026
Cash
1827150
0.309793
Cash-settled Equity Swap
19/10/2026
19/10/2026
Cash
13466
0.002283
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
1383423
0.234559
Sub Total 8.B2
5209754
0.883311%
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
5.140604
6.023915%
JPMorgan Chase & Co.
J.P. Morgan SE
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%)
12. Date of Completion
19-Sep-2025
13. Place Of Completion
London, United Kingdom
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