RNS Number : 3962V

Barclays PLC

14 August 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:				13 Aug 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:			22,397,590	3.85%	1,441,835	0.25%
(2)	Cash-settled derivatives:
				1,348,210	0.23%	22,302,468	3.84%
(3)	Stock-settled derivatives (including options)
	and agreements to purchase/sell:			0	0.00%	0	0.00%
	TOTAL:			23,745,800	4.09%	23,744,303	4.09%
(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		944,687		1.9520  GBP
3 1/3p ordinary		Purchase		115,574		1.9573  GBP
3 1/3p ordinary		Purchase		37,750		1.9381  GBP
3 1/3p ordinary		Purchase		20,028		1.9560  GBP
3 1/3p ordinary		Purchase		18,176		1.9484  GBP
3 1/3p ordinary		Purchase		10,424		1.9680  GBP
3 1/3p ordinary		Purchase		9,679		1.9545  GBP
3 1/3p ordinary		Purchase		9,178		1.9553  GBP
3 1/3p ordinary		Purchase		4,294		1.9400  GBP
3 1/3p ordinary		Purchase		3,206		1.9570  GBP
3 1/3p ordinary		Purchase		2,472		1.9420  GBP
3 1/3p ordinary		Purchase		2,190		1.9440  GBP
3 1/3p ordinary		Purchase		1,580		1.9620  GBP
3 1/3p ordinary		Purchase		1,561		1.9460  GBP
3 1/3p ordinary		Purchase		1,454		1.9580  GBP
3 1/3p ordinary		Purchase		1,431		1.9500  GBP
3 1/3p ordinary		Purchase		1,340		1.9371  GBP
3 1/3p ordinary		Purchase		843		1.9380  GBP
3 1/3p ordinary		Purchase		637		1.9600  GBP
3 1/3p ordinary		Purchase		459		1.9480  GBP
3 1/3p ordinary		Purchase		426		1.9660  GBP
3 1/3p ordinary		Purchase		426		1.9700  GBP
3 1/3p ordinary		Purchase		343		1.9540  GBP
3 1/3p ordinary		Purchase		223		1.9640  GBP
3 1/3p ordinary		Purchase		184		1.9360  GBP
3 1/3p ordinary		Purchase		141		1.9590  GBP
3 1/3p ordinary		Purchase		100		1.9594  GBP
3 1/3p ordinary		Purchase		51		1.9515  GBP
3 1/3p ordinary		Sale		173,416		1.9592  GBP
3 1/3p ordinary		Sale		115,574		1.9573  GBP
3 1/3p ordinary		Sale		67,367		1.9562  GBP
3 1/3p ordinary		Sale		45,678		1.9560  GBP
3 1/3p ordinary		Sale		43,500		1.9538  GBP
3 1/3p ordinary		Sale		35,696		1.9544  GBP
3 1/3p ordinary		Sale		19,390		1.9600  GBP
3 1/3p ordinary		Sale		14,792		1.9504  GBP
3 1/3p ordinary		Sale		9,760		1.9511  GBP
3 1/3p ordinary		Sale		5,851		1.9580  GBP
3 1/3p ordinary		Sale		5,000		1.9526  GBP
3 1/3p ordinary		Sale		4,454		1.9455  GBP
3 1/3p ordinary		Sale		4,294		1.9400  GBP
3 1/3p ordinary		Sale		4,048		1.9471  GBP
3 1/3p ordinary		Sale		3,944		1.9477  GBP
3 1/3p ordinary		Sale		3,404		1.9559  GBP
3 1/3p ordinary		Sale		2,472		1.9420  GBP
3 1/3p ordinary		Sale		2,392		1.9460  GBP
3 1/3p ordinary		Sale		1,700		1.9652  GBP
3 1/3p ordinary		Sale		1,580		1.9620  GBP
3 1/3p ordinary		Sale		1,413		1.9380  GBP
3 1/3p ordinary		Sale		904		1.9440  GBP
3 1/3p ordinary		Sale		673		1.9500  GBP
3 1/3p ordinary		Sale		482		1.9497  GBP
3 1/3p ordinary		Sale		459		1.9480  GBP
3 1/3p ordinary		Sale		426		1.9700  GBP
3 1/3p ordinary		Sale		426		1.9660  GBP
3 1/3p ordinary		Sale		424		1.9680  GBP
3 1/3p ordinary		Sale		343		1.9540  GBP
3 1/3p ordinary		Sale		322		1.9520  GBP
3 1/3p ordinary		Sale		223		1.9640  GBP
3 1/3p ordinary		Sale		184		1.9360  GBP
3 1/3p ordinary		Sale		141		1.9590  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		4,445	1.9480  GBP
3 1/3p ordinary		SWAP		Decreasing Short		2,171	1.9381  GBP
3 1/3p ordinary		SWAP		Decreasing Short		831	1.9460  GBP
3 1/3p ordinary		SWAP		Decreasing Short		73	1.9499  GBP
3 1/3p ordinary		SWAP		Decreasing Short		14,792	1.9504  GBP
3 1/3p ordinary		SWAP		Decreasing Short		137	1.9525  GBP
3 1/3p ordinary		SWAP		Decreasing Short		5,000	1.9526  GBP
3 1/3p ordinary		SWAP		Decreasing Short		435	1.9533  GBP
3 1/3p ordinary		SWAP		Decreasing Short		43,500	1.9538  GBP
3 1/3p ordinary		SWAP		Decreasing Short		3,404	1.9559  GBP
3 1/3p ordinary		SWAP		Decreasing Short		17,882	1.9560  GBP
3 1/3p ordinary		SWAP		Decreasing Short		43,500	1.9562  GBP
3 1/3p ordinary		SWAP		Decreasing Short		2,996	1.9580  GBP
3 1/3p ordinary		SWAP		Decreasing Short		173,416	1.9592  GBP
3 1/3p ordinary		SWAP		Decreasing Short		21,250	1.9602  GBP
3 1/3p ordinary		SWAP		Increasing Short		1,340	1.9371  GBP
3 1/3p ordinary		SWAP		Increasing Short		37,750	1.9381  GBP
3 1/3p ordinary		SWAP		Increasing Short		131	1.9454  GBP
3 1/3p ordinary		SWAP		Increasing Short		4,084	1.9471  GBP
3 1/3p ordinary		SWAP		Increasing Short		613	1.9480  GBP
3 1/3p ordinary		SWAP		Increasing Short		1,312	1.9516  GBP
3 1/3p ordinary		SWAP		Increasing Short		944,365	1.9520  GBP
3 1/3p ordinary		SWAP		Increasing Short		387	1.9529  GBP
3 1/3p ordinary		SWAP		Increasing Short		1,832	1.9560  GBP
3 1/3p ordinary		SWAP		Increasing Short		3,206	1.9570  GBP
3 1/3p ordinary		SWAP		Increasing Short		100	1.9594  GBP
3 1/3p ordinary		SWAP		Increasing Short		213	1.9603  GBP
3 1/3p ordinary		CFD		Decreasing Short		16,012	1.9485  GBP
3 1/3p ordinary		CFD		Increasing Short		7,481	1.9519  GBP
3 1/3p ordinary		CFD		Increasing Short		4,999	1.9561  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:				14 Aug 2025
Contact name:				Large Holdings Regulatory Operations
Telephone number:				020 3134 7213

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