Form 8.5 EPT/Non RI BIG YELLOW GROUP PLC

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

BIG YELLOW GROUP PLC

relevant securities this form relates:

(c)

Name of the party to the offer with which exempt

BIG YELLOW GROUP PLC

principal trader is connected

(d)

Date position held/dealing undertaken:

16 Oct 2025

(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:

604,438

0.31%

212,492

0.11%

(2)

Cash-settled derivatives:

and/or controlled:

91,900

0.05%

522,298

0.27%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

696,338

0.35%

734,790

0.37%

(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

233,197

11.3600 GBP

11.1200 GBP

10p ordinary

Sale

186,335

11.3600 GBP

11.1200 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

Decreasing Short

596

11.1532 GBP

10p ordinary

SWAP

Decreasing Short

9,742

11.1630 GBP

10p ordinary

SWAP

Decreasing Short

533

11.1786 GBP

10p ordinary

SWAP

Decreasing Short

458

11.2044 GBP

10p ordinary

SWAP

Decreasing Short

1,052

11.2058 GBP

10p ordinary

SWAP

Decreasing Short

374

11.2177 GBP

10p ordinary

SWAP

Decreasing Short

11,480

11.2380 GBP

10p ordinary

SWAP

Decreasing Short

17,728

11.2406 GBP

10p ordinary

SWAP

Decreasing Short

428

11.2904 GBP

10p ordinary

SWAP

Decreasing Short

752

11.2950 GBP

10p ordinary

SWAP

Decreasing Short

428

11.3000 GBP

10p ordinary

SWAP

Decreasing Short

4,176

11.3194 GBP

10p ordinary

SWAP

Decreasing Short

43,603

11.3200 GBP

10p ordinary

SWAP

Increasing Short

136

11.1400 GBP

10p ordinary

SWAP

Increasing Short

1,300

11.1795 GBP

10p ordinary

SWAP

Increasing Short

57,323

11.2000 GBP

10p ordinary

SWAP

Increasing Short

349

11.2014 GBP

10p ordinary

SWAP

Increasing Short

23,500

11.2112 GBP

10p ordinary

SWAP

Increasing Short

71

11.2357 GBP

10p ordinary

SWAP

Increasing Short

28

11.2371 GBP

10p ordinary

SWAP

Increasing Short

808

11.2372 GBP

10p ordinary

SWAP

Increasing Short

20,262

11.2519 GBP

10p ordinary

SWAP

Increasing Short

293

11.3069 GBP

10p ordinary

SWAP

Increasing Short

108

11.3070 GBP

10p ordinary

SWAP

Increasing Short

2,928

11.3175 GBP

10p ordinary

SWAP

Increasing Short

31,762

11.3200 GBP

10p ordinary

SWAP

Increasing Short

266

11.3201 GBP

10p ordinary

CFD

Increasing Long

3,623

11.2226 GBP

10p ordinary

CFD

Decreasing Long

1,155

11.2003 GBP

10p ordinary

CFD

Decreasing Long

273

11.2167 GBP

10p ordinary

CFD

Decreasing Long

1,267

11.2313 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 Oct 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213