Form 8.3 TRITAX BIG BOX REIT PLC

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

TRITAX BIG BOX REIT 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:

29 Jul 2025

(f)

In addition to the company in 1(c) above, is the discloser making

YES:

disclosures in respect of any other party to the offer?

WAREHOUSE REIT PLC

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:

1p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

14,730,324

0.59%

12,641,157

0.51%

(2)

Cash-settled derivatives:

and/or controlled:

10,963,671

0.44%

13,346,374

0.54%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

25,693,995

1.04%

25,987,531

1.05%

(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

Number of

Price per unit

security

securities

1p ordinary

Purchase

487,713

1.4180 GBP

1p ordinary

Purchase

141,416

1.4193 GBP

1p ordinary

Purchase

101,612

1.4179 GBP

1p ordinary

Purchase

52,804

1.4174 GBP

1p ordinary

Purchase

24,177

1.4166 GBP

1p ordinary

Purchase

19,992

1.4184 GBP

1p ordinary

Purchase

15,814

1.4154 GBP

1p ordinary

Purchase

15,221

1.4173 GBP

1p ordinary

Purchase

8,584

1.4199 GBP

1p ordinary

Purchase

7,633

1.4171 GBP

1p ordinary

Purchase

5,032

1.4160 GBP

1p ordinary

Purchase

4,746

1.4170 GBP

1p ordinary

Purchase

4,509

1.4197 GBP

1p ordinary

Purchase

3,202

1.4230 GBP

1p ordinary

Purchase

3,020

1.4240 GBP

1p ordinary

Purchase

2,401

1.4225 GBP

1p ordinary

Purchase

1,791

1.4195 GBP

1p ordinary

Purchase

1,779

1.4229 GBP

1p ordinary

Purchase

1,089

1.4210 GBP

1p ordinary

Purchase

1,011

1.4200 GBP

1p ordinary

Purchase

694

1.4190 GBP

1p ordinary

Purchase

417

1.4130 GBP

1p ordinary

Purchase

386

1.4220 GBP

1p ordinary

Purchase

306

1.4181 GBP

1p ordinary

Purchase

170

1.4188 GBP

1p ordinary

Purchase

55

1.4150 GBP

1p ordinary

Purchase

5

1.4140 GBP

1p ordinary

Sale

552,225

1.4180 GBP

1p ordinary

Sale

541,408

1.4160 GBP

1p ordinary

Sale

259,839

1.4179 GBP

1p ordinary

Sale

82,244

1.4170 GBP

1p ordinary

Sale

34,907

1.4202 GBP

1p ordinary

Sale

10,021

1.4175 GBP

1p ordinary

Sale

4,620

1.4190 GBP

1p ordinary

Sale

4,312

1.4209 GBP

1p ordinary

Sale

3,202

1.4230 GBP

1p ordinary

Sale

2,991

1.4196 GBP

1p ordinary

Sale

2,401

1.4225 GBP

1p ordinary

Sale

1,986

1.4150 GBP

1p ordinary

Sale

1,353

1.4165 GBP

1p ordinary

Sale

1,089

1.4210 GBP

1p ordinary

Sale

1,011

1.4200 GBP

1p ordinary

Sale

386

1.4220 GBP

1p ordinary

Sale

5

1.4140 GBP

1p ordinary

Sale

4

1.4130 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

1p ordinary

SWAP

Decreasing Short

1,353

1.4165 GBP

1p ordinary

SWAP

Decreasing Short

77,498

1.4170 GBP

1p ordinary

SWAP

Decreasing Short

2,788

1.4175 GBP

1p ordinary

SWAP

Decreasing Short

902

1.4177 GBP

1p ordinary

SWAP

Decreasing Short

198,150

1.4180 GBP

1p ordinary

SWAP

Decreasing Short

3,418

1.4187 GBP

1p ordinary

SWAP

Decreasing Short

15,854

1.4190 GBP

1p ordinary

SWAP

Decreasing Short

751

1.4194 GBP

1p ordinary

SWAP

Decreasing Short

2,991

1.4196 GBP

1p ordinary

SWAP

Increasing Short

413

1.4130 GBP

1p ordinary

SWAP

Increasing Short

15,814

1.4154 GBP

1p ordinary

SWAP

Increasing Short

1,732

1.4160 GBP

1p ordinary

SWAP

Increasing Short

24,177

1.4166 GBP

1p ordinary

SWAP

Increasing Short

11,349

1.4168 GBP

1p ordinary

SWAP

Increasing Short

48,762

1.4180 GBP

1p ordinary

SWAP

Increasing Short

4,369

1.4182 GBP

1p ordinary

SWAP

Increasing Short

74,548

1.4185 GBP

1p ordinary

SWAP

Increasing Short

5,552

1.4190 GBP

1p ordinary

SWAP

Increasing Short

24,456

1.4195 GBP

1p ordinary

SWAP

Increasing Short

4,049

1.4204 GBP

1p ordinary

SWAP

Increasing Short

3,020

1.4240 GBP

1p ordinary

CFD

Decreasing Short

16,518

1.4161 GBP

1p ordinary

CFD

Decreasing Short

3,567

1.4167 GBP

1p ordinary

CFD

Decreasing Short

34,907

1.4202 GBP

1p ordinary

CFD

Decreasing Short

430

1.4458 GBP

1p ordinary

CFD

Increasing Short

507

1.4171 GBP

1p ordinary

CFD

Increasing Short

105,234

1.4193 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 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:

30 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213