Holding(s) in Company

Spirent Communications PLC

11 June 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

05-Jun-2025

6. Date on which Issuer notified

09-Jun-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	0.977764	4.063057	5.040821	29294918
Position of previous notification (if applicable)	n/a	n/a	n/a

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		5682276		0.977764
Sub Total 8.A	5682276		0.977764%

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	18/09/2025	18/09/2025	Cash	6523613	1.122535
Cash-settled Equity Swap	28/11/2025	28/11/2025	Cash	3452	0.000593
Cash-settled Equity Swap	16/12/2025	16/12/2025	Cash	9506829	1.635864
Cash-settled Equity Swap	15/04/2026	15/04/2026	Cash	109115	0.018772
Cash-settled Equity Swap	08/05/2026	08/05/2026	Cash	2378288	0.409238
Cash-settled Equity Swap	28/05/2026	28/05/2026	Cash	1045	0.000178
Cash-settled Equity Swap	10/06/2026	10/06/2026	Cash	20073	0.003451
Cash-settled Equity Swap	23/06/2026	23/06/2026	Cash	2245377	0.386354
Cash-settled Equity Swap	25/06/2026	25/06/2026	Cash	7796	0.001339
Cash-settled Equity Swap	02/07/2026	02/07/2026	Cash	651133	0.112039
Cash-settled Equity Swap	08/07/2026	08/07/2026	Cash	7656	0.001317
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	2158027	0.371337
Sub Total 8.B2				23612642	4.063057%

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		4.063057	4.382353%
JPMorgan Chase & Co.	J.P. Morgan Securities LLC
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 Holdings LLC (100%)
J.P. Morgan Broker-Dealer Holdings Inc. (100%)
J.P. Morgan Securities LLC (100%)


JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)

12. Date of Completion

09-Jun-2025

13. Place Of Completion

London

 

END