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 relevant securities this form relates:

BIG YELLOW GROUP PLC

(c)

Name of the party to the offer with which exempt principal trader is connected

BIG YELLOW GROUP PLC

(d)

Date position held/dealing undertaken:

13 Oct 2025

(e)

In addition to the company in 1(b) above, is the exempt principal trader making disclosures in respect of any other party to the offer?

NO

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:

869,630

0.44%

265,794

0.14%

(2) Cash-settled derivatives:

82,955

0.04%

785,589

0.40%

(3) Stock-settled derivatives (including options) and agreements to purchase/sell: 

0

0.00%

0

0.00%

TOTAL: 

952,585

0.48%

1,051,383

0.53%

(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)

Purchase and sales

Class of relevant security

Purchase/sale

Total number of securities

Highest price per unit paid/received

Lowest price per unit paid/received

10p ordinary

Purchase

548116

11.7214 GBP

10.0400 GBP

10p ordinary

Sale

376992

11.6800 GBP

10.0400 GBP

(b)

Cash-settled derivative transactions

Class of relevant security

Product description

Nature of dealing

Number of reference securities

Price per unit

10p ordinary

SWAP

Opening Long

11,584

10.8867 GBP

10p ordinary

SWAP

Increasing Long

76,342

11.0404 GBP

10p ordinary

SWAP

Increasing Long

48,286

11.1018 GBP

10p ordinary

SWAP

Increasing Long

4,196

11.1394 GBP

10p ordinary

SWAP

Increasing Long

24,510

11.1400 GBP

10p ordinary

SWAP

Increasing Long

13,773

11.1827 GBP

10p ordinary

SWAP

Increasing Long

507

11.2979 GBP

10p ordinary

SWAP

Increasing Long

5,569

11.3294 GBP

10p ordinary

SWAP

Increasing Long

1,422

11.3640 GBP

10p ordinary

SWAP

Increasing Long

1,624

11.4076 GBP

10p ordinary

SWAP

Increasing Long

146

11.4713 GBP

10p ordinary

SWAP

Decreasing Long

305

10.5500 GBP

10p ordinary

SWAP

Decreasing Long

20,700

10.8059 GBP

10p ordinary

SWAP

Decreasing Long

1,622

10.8263 GBP

10p ordinary

SWAP

Decreasing Long

964

11.1223 GBP

10p ordinary

SWAP

Decreasing Long

10,227

11.1388 GBP

10p ordinary

SWAP

Decreasing Long

80,713

11.1400 GBP

10p ordinary

SWAP

Decreasing Long

1,493

11.1851 GBP

10p ordinary

SWAP

Decreasing Long

2,660

11.1934 GBP

10p ordinary

SWAP

Decreasing Long

29,310

11.2345 GBP

10p ordinary

SWAP

Decreasing Long

5,863

11.2607 GBP

10p ordinary

SWAP

Decreasing Long

811

11.2622 GBP

10p ordinary

SWAP

Decreasing Long

94

11.2670 GBP

10p ordinary

SWAP

Opening Short

61,187

11.2738 GBP

10p ordinary

SWAP

Increasing Short

165

11.2760 GBP

10p ordinary

SWAP

Increasing Short

7,800

11.2905 GBP

10p ordinary

SWAP

Increasing Short

2,565

11.3010 GBP

10p ordinary

SWAP

Increasing Short

1,146

11.3170 GBP

10p ordinary

SWAP

Increasing Short

458

11.3208 GBP

10p ordinary

SWAP

Increasing Short

28,100

11.3222 GBP

10p ordinary

SWAP

Increasing Short

16

11.3400 GBP

10p ordinary

SWAP

Increasing Short

8,616

11.3466 GBP

10p ordinary

SWAP

Increasing Short

72

11.3767 GBP

10p ordinary

SWAP

Increasing Short

37,641

11.3784 GBP

10p ordinary

SWAP

Increasing Short

14,922

11.4239 GBP

10p ordinary

SWAP

Increasing Short

2,474

11.4912 GBP

10p ordinary

SWAP

Increasing Short

813

11.4973 GBP

10p ordinary

SWAP

Increasing Short

3,638

11.5888 GBP

10p ordinary

SWAP

Increasing Short

3,290

11.6248 GBP

10p ordinary

SWAP

Increasing Short

1,935

11.6289 GBP

10p ordinary

CFD

Opening Long

3,506

9.6864 GBP

10p ordinary

CFD

Increasing Long

8,409

10.1507 GBP

10p ordinary

CFD

Increasing Long

18,027

11.2800 GBP

10p ordinary

CFD

Decreasing Long

720

11.1408 GBP

10p ordinary

CFD

Decreasing Long

4,977

11.4335 GBP

10p ordinary

CFD

Decreasing Long

4,070

11.5548 GBP

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class of relevant security

Product description

Writing, purchasing, selling, varying etc

Number of securities to which option relates

Exercise price per unit

Type

Expiry date

Option money paid/ received per unit

(ii)

Exercising

Class of relevant security

Product description

Exercising/ exercised against

Number of securities

Exercise price per unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant security

Nature of Dealings

Details

Price per unit (if 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:

14 Oct 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213