Form 8.3 - SPIRENT COMMUNICATIONS PLC

RNS Number : 5632Z

Barclays PLC

16 September 2025

FORM 8.3
PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY
A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR
MORE
Rule 8.3 of the Takeover Code (the "Code")
1.				KEY INFORMATION
(a)	Full name of discloser:				Barclays PLC.
(b)	Owner or controller of interest and short
	positions disclosed, if different from 1(a):
(c)	Name of offeror/offeree in relation to whose				SPIRENT COMMUNICATIONS PLC
	relevant securities this form relates:
(d)	If an exempt fund manager connected with an
	offeror/offeree, state this and specify identity of
	offeror/offeree:
(e)	Date position held/dealing undertaken:				15 Sep 2025
(f)	In addition to the company in 1(c) above, is the discloser making				NO
	disclosures in respect of any other party to the offer?
2.				POSITIONS OF THE PERSON MAKING THE DISCLOSURE
(a)	Interests and short positions in the relevant securities of the offeror or offeree
	to which the disclosure relates following the dealing(if any)
Class of relevant security:				3 1/3p ordinary
				Interests		Short Positions
				Number	(%)	Number	(%)
(1)	Relevant securities owned
	and/or controlled:			23,849,692	4.04%	7,377,300	1.25%
(2)	Cash-settled derivatives:
				7,250,942	1.23%	23,772,035	4.03%
(3)	Stock-settled derivatives (including options)
	and agreements to purchase/sell:			0	0.00%	0	0.00%

	TOTAL:			31,100,634	5.27%	31,149,335	5.28%
(b)	Rights to subscribe for new securities (including directors and other executive
	options)
Class of relevant security in relation to
which subscription right exists
Details, including nature of the rights
concerned and relevant percentages:
3.				DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE
(a)	Purchases and sales
Class of relevant		Purchase/sale		Number of		Price per unit
security				securities
3 1/3p ordinary		Purchase		47,529		1.9674 GBP
3 1/3p ordinary		Purchase		32,090		1.9680 GBP
3 1/3p ordinary		Purchase		13,151		1.9624 GBP
3 1/3p ordinary		Purchase		12,800		1.9661 GBP
3 1/3p ordinary		Purchase		7,951		1.9500 GBP
3 1/3p ordinary		Purchase		6,210		1.9632 GBP
3 1/3p ordinary		Purchase		2,904		1.9580 GBP
3 1/3p ordinary		Purchase		2,028		1.9660 GBP
3 1/3p ordinary		Purchase		1,421		1.9700 GBP
3 1/3p ordinary		Purchase		651		1.9644 GBP
3 1/3p ordinary		Purchase		165		1.9600 GBP
3 1/3p ordinary		Sale		43,265		1.9680 GBP
3 1/3p ordinary		Sale		27,400		1.9643 GBP
3 1/3p ordinary		Sale		27,375		1.9640 GBP
3 1/3p ordinary		Sale		16,100		1.9564 GBP
3 1/3p ordinary		Sale		13,400		1.9676 GBP
3 1/3p ordinary		Sale		11,711		1.9618 GBP
3 1/3p ordinary		Sale		10,403		1.9654 GBP
3 1/3p ordinary		Sale		6,119		1.9646 GBP
3 1/3p ordinary		Sale		5,055		1.9670 GBP
3 1/3p ordinary		Sale		4,765		1.9660 GBP
3 1/3p ordinary		Sale		3,069		1.9584 GBP
3 1/3p ordinary		Sale		2,904		1.9580 GBP
3 1/3p ordinary		Sale		2,409		1.9679 GBP
3 1/3p ordinary		Sale		1,395		1.9600 GBP
3 1/3p ordinary		Sale		1,223		1.9582 GBP
3 1/3p ordinary		Sale		1,182		1.9644 GBP
3 1/3p ordinary		Sale		1,040		1.9649 GBP

(b)	Cash-settled derivative transactions
Class of		Product		Nature of dealing		Number of	Price per
relevant		description				reference	unit
security						securities
3 1/3p ordinary		SWAP		Decreasing Short		9,223	1.9639 GBP
3 1/3p ordinary		SWAP		Decreasing Short		16,100	1.9564 GBP
3 1/3p ordinary		SWAP		Decreasing Short		376	1.9589 GBP
3 1/3p ordinary		SWAP		Decreasing Short		165	1.9600 GBP
3 1/3p ordinary		SWAP		Decreasing Short		600	1.9633 GBP
3 1/3p ordinary		SWAP		Decreasing Short		27,375	1.9640 GBP
3 1/3p ordinary		SWAP		Decreasing Short		27,400	1.9643 GBP
3 1/3p ordinary		SWAP		Decreasing Short		6,119	1.9646 GBP
3 1/3p ordinary		SWAP		Decreasing Short		1,040	1.9649 GBP
3 1/3p ordinary		SWAP		Decreasing Short		10,403	1.9654 GBP
3 1/3p ordinary		SWAP		Decreasing Short		13,400	1.9676 GBP
3 1/3p ordinary		SWAP		Decreasing Short		2,409	1.9679 GBP
3 1/3p ordinary		SWAP		Decreasing Short		7	1.9680 GBP
3 1/3p ordinary		SWAP		Increasing Short		7,951	1.9500 GBP
3 1/3p ordinary		SWAP		Increasing Short		13,151	1.9624 GBP
3 1/3p ordinary		SWAP		Increasing Short		7,773	1.9648 GBP
3 1/3p ordinary		SWAP		Increasing Short		1,536	1.9654 GBP
3 1/3p ordinary		SWAP		Increasing Short		2,028	1.9660 GBP
3 1/3p ordinary		SWAP		Increasing Short		12,800	1.9661 GBP
3 1/3p ordinary		SWAP		Increasing Short		19,138	1.9680 GBP
3 1/3p ordinary		SWAP		Increasing Short		1,421	1.9700 GBP
3 1/3p ordinary		CFD		Decreasing Short		4,456	1.9663 GBP

(c)	Stock-settled derivative transactions (including options)
(i)	Writing, selling, purchasing or varying
Class	Product	Writing,	Number	Exercise	Type	Expiry	Option
of	description	purchasing,	of	price		date	money
relevant		selling,	securities	per unit			paid/
security		varying etc	to which				received
			option				per unit
			relates


(ii)	Exercise
Class of relevant		Product description		Exercising/ exercised against		Number of	Exercise price per
security						securities	unit


(d)	Other dealings (including subscribing for new securities)
Class of relevant		Nature of Dealings		Details		Price per unit (if
security						applicable)

4.				OTHER INFORMATION
(a)	Indemnity and other dealings arrangements
Details of any indemnity or option arrangement, or any agreement or understanding,
formal or informal, relating to relevant securities which may be an inducement to deal
or refrain from dealing entered into by the exempt principal trader making the disclosure and any party
to the offer or any person acting in concert with a party to the offer:
NONE
(b)	Agreements, arrangements or understandings relating to options or derivatives
Details of any agreement, arrangement or understanding, formal or informal, between
the person making the disclosure and any other person relating to:
(i) the voting rights of any relevant securities under any option; or
(ii) the voting rights of future acquisition or disposal of any relevant securities to which
any derivative is referenced:
NONE
(c)	Attachments
Is a Supplemental Form 8 (Open Positions) attached?				NO
Date of disclosure:				16 Sep 2025
Contact name:				Large Holdings Regulatory Operations
Telephone number:				020 3134 7213

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END

RETEAANKFESSEFA

TIDM	BARC
Share Price	486.00p-2.16%
Market Cap	£65.32bn

Date	16 Sept 2025
Time	13:22:37
Category	Holding(s) in company
ID	5632Z

TIDM	BARC
Share Price	486.00p-2.16%
Market Cap	£65.32bn

Date	16 Sept 2025
Time	13:22:37
Category	Holding(s) in company
ID	5632Z

t

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Form 8.3 - SPIRENT COMMUNICATIONS PLC