RNS Number : 2657Y

Barclays PLC

05 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:				04 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:			19,918,876	3.43%	7,399,722	1.27%
(2)	Cash-settled derivatives:
				7,286,562	1.25%	19,842,510	3.41%
(3)	Stock-settled derivatives (including options)
	and agreements to purchase/sell:			0	0.00%	0	0.00%
	TOTAL:			27,205,438	4.68%	27,242,232	4.69%
(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		48,001		1.9453  GBP
3 1/3p ordinary		Purchase		48,001		1.9464  GBP
3 1/3p ordinary		Purchase		18,167		1.9466  GBP
3 1/3p ordinary		Purchase		17,160		1.9421  GBP
3 1/3p ordinary		Purchase		16,342		1.9490  GBP
3 1/3p ordinary		Purchase		16,030		1.9439  GBP
3 1/3p ordinary		Purchase		11,331		1.9493  GBP
3 1/3p ordinary		Purchase		8,076		1.9497  GBP
3 1/3p ordinary		Purchase		4,898		1.9564  GBP
3 1/3p ordinary		Purchase		4,872		1.9484  GBP
3 1/3p ordinary		Purchase		4,545		1.9420  GBP
3 1/3p ordinary		Purchase		4,445		1.9461  GBP
3 1/3p ordinary		Purchase		3,213		1.9500  GBP
3 1/3p ordinary		Purchase		2,946		1.9452  GBP
3 1/3p ordinary		Purchase		2,651		1.9580  GBP
3 1/3p ordinary		Purchase		2,583		1.9480  GBP
3 1/3p ordinary		Purchase		1,996		1.9440  GBP
3 1/3p ordinary		Purchase		1,937		1.9300  GBP
3 1/3p ordinary		Purchase		1,629		1.9460  GBP
3 1/3p ordinary		Purchase		1,248		1.9520  GBP
3 1/3p ordinary		Purchase		1,034		1.9470  GBP
3 1/3p ordinary		Purchase		1,004		1.9579  GBP
3 1/3p ordinary		Purchase		617		1.9340  GBP
3 1/3p ordinary		Purchase		548		1.9540  GBP
3 1/3p ordinary		Purchase		71		1.9560  GBP
3 1/3p ordinary		Purchase		3		1.9600  GBP
3 1/3p ordinary		Sale		1,317,623		1.9300  GBP
3 1/3p ordinary		Sale		112,331		1.9566  GBP
3 1/3p ordinary		Sale		92,230		1.9442  GBP
3 1/3p ordinary		Sale		66,158		1.9495  GBP
3 1/3p ordinary		Sale		47,350		1.9458  GBP
3 1/3p ordinary		Sale		40,755		1.9445  GBP
3 1/3p ordinary		Sale		23,430		1.9502  GBP
3 1/3p ordinary		Sale		21,347		1.9461  GBP
3 1/3p ordinary		Sale		10,715		1.9418  GBP
3 1/3p ordinary		Sale		5,058		1.9492  GBP
3 1/3p ordinary		Sale		4,545		1.9420  GBP
3 1/3p ordinary		Sale		4,377		1.9580  GBP
3 1/3p ordinary		Sale		2,538		1.9449  GBP
3 1/3p ordinary		Sale		2,037		1.9500  GBP
3 1/3p ordinary		Sale		1,903		1.9480  GBP
3 1/3p ordinary		Sale		1,860		1.9436  GBP
3 1/3p ordinary		Sale		1,629		1.9460  GBP
3 1/3p ordinary		Sale		1,248		1.9520  GBP
3 1/3p ordinary		Sale		1,127		1.9440  GBP
3 1/3p ordinary		Sale		617		1.9340  GBP
3 1/3p ordinary		Sale		548		1.9540  GBP
3 1/3p ordinary		Sale		145		1.9522  GBP
3 1/3p ordinary		Sale		71		1.9560  GBP
3 1/3p ordinary		Sale		3		1.9600  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		1,315,686	1.9300  GBP
3 1/3p ordinary		SWAP		Decreasing Short		741	1.9356  GBP
3 1/3p ordinary		SWAP		Decreasing Short		10,715	1.9418  GBP
3 1/3p ordinary		SWAP		Decreasing Short		5,651	1.9420  GBP
3 1/3p ordinary		SWAP		Decreasing Short		1,860	1.9436  GBP
3 1/3p ordinary		SWAP		Decreasing Short		60,128	1.9437  GBP
3 1/3p ordinary		SWAP		Decreasing Short		13,054	1.9442  GBP
3 1/3p ordinary		SWAP		Decreasing Short		38,907	1.9445  GBP
3 1/3p ordinary		SWAP		Decreasing Short		4,363	1.9447  GBP
3 1/3p ordinary		SWAP		Decreasing Short		47,522	1.9458  GBP
3 1/3p ordinary		SWAP		Decreasing Short		21,347	1.9461  GBP
3 1/3p ordinary		SWAP		Decreasing Short		12,944	1.9474  GBP
3 1/3p ordinary		SWAP		Decreasing Short		5,058	1.9492  GBP
3 1/3p ordinary		SWAP		Decreasing Short		66,158	1.9495  GBP
3 1/3p ordinary		SWAP		Decreasing Short		11,030	1.9498  GBP
3 1/3p ordinary		SWAP		Decreasing Short		12,400	1.9505  GBP
3 1/3p ordinary		SWAP		Decreasing Short		401	1.9507  GBP
3 1/3p ordinary		SWAP		Decreasing Short		826	1.9550  GBP
3 1/3p ordinary		SWAP		Decreasing Short		403,683	1.9566  GBP
3 1/3p ordinary		SWAP		Increasing Short		12,563	1.9420  GBP
3 1/3p ordinary		SWAP		Increasing Short		12,934	1.9421  GBP
3 1/3p ordinary		SWAP		Increasing Short		869	1.9440  GBP
3 1/3p ordinary		SWAP		Increasing Short		48,001	1.9453  GBP
3 1/3p ordinary		SWAP		Increasing Short		4,445	1.9461  GBP
3 1/3p ordinary		SWAP		Increasing Short		48,001	1.9465  GBP
3 1/3p ordinary		SWAP		Increasing Short		13,985	1.9468  GBP
3 1/3p ordinary		SWAP		Increasing Short		34,571	1.9470  GBP
3 1/3p ordinary		SWAP		Increasing Short		680	1.9480  GBP
3 1/3p ordinary		SWAP		Increasing Short		11,331	1.9493  GBP
3 1/3p ordinary		SWAP		Increasing Short		8,076	1.9497  GBP
3 1/3p ordinary		SWAP		Increasing Short		3,467	1.9505  GBP
3 1/3p ordinary		SWAP		Increasing Short		354	1.9541  GBP
3 1/3p ordinary		SWAP		Increasing Short		291,352	1.9560  GBP
3 1/3p ordinary		SWAP		Increasing Short		4,898	1.9564  GBP
3 1/3p ordinary		SWAP		Increasing Short		650	1.9600  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:				05 Sep 2025
Contact name:				Large Holdings Regulatory Operations
Telephone number:				020 3134 7213

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