Form 8.5 EPT/Non RI SfENIOR PLC

RNS Number : 2276V

Barclays PLC

17 September 2026

FORM 8.5 (EPT/NON-RI)
PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY AN
EXEMPT PRINCIPAL TRADER WITHOUT RECOGNISED INTERMEDIARY ("RI") STATUS
(OR WHERE RI STATUS IS NOT APPLICABLE)
Rule 8.5 of the Takeover Code (the "Code")
1.				KEY INFORMATION
(a)	Name of exempt principal trader:				BARCLAYS CAPITAL SECURITIES LTD
(b)	Name of offeror/offeree in relation to whose				SENIOR PLC
	relevant securities this form relates:
(c)	Name of the party to the offer with which exempt				ZEUS UK BIDCO LIMITED (A NEWLY FORMED COMPANY TO BE INDIRECTLY CONTROLLED BY INVESTMENT FUNDS ADVISED BY AFFILIATES OF TINICUM INCORPORATED AND BLACKSTONE INC.)
	principal trader is connected
(d)	Date position held/dealing undertaken:				16 Sep 2026
(e)	In addition to the company in 1(b) above, is the exempt principal				NO
	trader making disclosures in respect of any other party to the offer?
2.				POSITIONS OF THE EXEMPT PRINCIPAL TRADER
(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:				10p ordinary
				Interests		Short Positions
				Number	(%)	Number	(%)
(1)	Relevant securities owned
	and/or controlled:			20,304,112	4.84%	7,888,069	1.88%
(2)	Cash-settled derivatives:
	and/or controlled:			7,873,599	1.88%	20,322,789	4.85%
(3)	Stock-settled derivatives (including options)
	and agreements to purchase/sell:			0	0.00%	0	0.00%

	TOTAL:			28,177,711	6.72%	28,210,858	6.73%
(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 EXEMPT PRINCIPAL TRADER
(a)	Purchases and sales
Class of relevant		Purchase/sale		Total number of		Highest price per unit	Lowest price per unit
security				securities		paid/received	paid/received
10p ordinary		Purchase		181,518		2.9575 GBP	2.9500 GBP
10p ordinary		Sale		184,232		2.9550 GBP	2.9499 GBP

(b)	Cash-settled derivative transactions
Class of		Product		Nature of dealing		Number of	Price per
relevant		description				reference	unit
security						securities
10p ordinary		SWAP		Increasing Long		547	2.9539 GBP
10p ordinary		SWAP		Increasing Long		1,809	2.9523 GBP
10p ordinary		SWAP		Decreasing Short		37,694	2.9499 GBP
10p ordinary		SWAP		Decreasing Short		18,607	2.9549 GBP
10p ordinary		SWAP		Increasing Long		30,225	2.9500 GBP
10p ordinary		SWAP		Increasing Short		4	2.9500 GBP
10p ordinary		SWAP		Increasing Long		3,729	2.9498 GBP
10p ordinary		SWAP		Increasing Short		550	2.9500 GBP
10p ordinary		CFD		Increasing Short		33,495	2.9551 GBP
10p ordinary		SWAP		Increasing Long		30,389	2.9510 GBP
10p ordinary		SWAP		Increasing Long		371	2.9523 GBP
10p ordinary		SWAP		Increasing Long		221	2.9539 GBP
10p ordinary		SWAP		Increasing Long		500	2.9539 GBP
10p ordinary		SWAP		Increasing Long		334	2.9523 GBP
10p ordinary		SWAP		Increasing Long		346	2.9512 GBP
10p ordinary		SWAP		Increasing Short		154	2.9575 GBP
10p ordinary		SWAP		Decreasing Long		4,101	2.9550 GBP
10p ordinary		SWAP		Decreasing Short		550	2.9500 GBP
10p ordinary		SWAP		Increasing Long		146	2.9512 GBP
10p ordinary		SWAP		Increasing Long		259	2.9512 GBP
10p ordinary		SWAP		Decreasing Short		631	2.9550 GBP
10p ordinary		SWAP		Decreasing Long		1,020	2.9500 GBP
10p ordinary		SWAP		Decreasing Short		9,872	2.9550 GBP
10p ordinary		SWAP		Increasing Short		4,231	2.9550 GBP
10p ordinary		SWAP		Decreasing Long		14,035	2.9500 GBP
10p ordinary		SWAP		Increasing Short		200	2.9500 GBP
10p ordinary		SWAP		Decreasing Long		295	2.9500 GBP
10p ordinary		SWAP		Decreasing Short		184	2.9500 GBP
10p ordinary		SWAP		Decreasing Short		4,239	2.9550 GBP
10p ordinary		SWAP		Increasing Short		446	2.9550 GBP
10p ordinary		SWAP		Decreasing Short		7,444	2.9538 GBP
10p ordinary		SWAP		Increasing Short		1,777	2.9550 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)	Exercising
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 exempt principal trader 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:				17 Sep 2026
Contact name:				Large Holdings Regulatory Operations
Telephone number:				020 3134 7213

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END

FEOSFIFSWEMSEEU

Date	17 Sept 2026
Time	11:27:04
Category	Holding(s) in company
ID	2276V

Date	17 Sept 2026
Time	11:27:04
Category	Holding(s) in company
ID	2276V

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Form 8.5 EPT/Non RI SfENIOR PLC