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:

02 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:

14,988,206

0.60%

8,802,348

0.35%

(2)

Cash-settled derivatives:

and/or controlled:

7,704,522

0.31%

13,571,847

0.55%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

22,692,728

0.91%

22,374,195

0.90%

(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

363,300

1.4475 GBP

1p ordinary

Purchase

287,228

1.4270 GBP

1p ordinary

Purchase

206,282

1.4414 GBP

1p ordinary

Purchase

51,800

1.4585 GBP

1p ordinary

Purchase

45,971

1.4844 GBP

1p ordinary

Purchase

21,581

1.4389 GBP

1p ordinary

Purchase

18,621

1.4480 GBP

1p ordinary

Purchase

17,520

1.4450 GBP

1p ordinary

Purchase

14,724

1.4394 GBP

1p ordinary

Purchase

10,550

1.4390 GBP

1p ordinary

Purchase

6,802

1.4269 GBP

1p ordinary

Purchase

6,382

1.4400 GBP

1p ordinary

Purchase

6,246

1.4440 GBP

1p ordinary

Purchase

5,303

1.4398 GBP

1p ordinary

Purchase

5,145

1.4814 GBP

1p ordinary

Purchase

4,356

1.4460 GBP

1p ordinary

Purchase

3,405

1.4670 GBP

1p ordinary

Purchase

2,195

1.4870 GBP

1p ordinary

Purchase

2,108

1.4746 GBP

1p ordinary

Purchase

2,039

1.4700 GBP

1p ordinary

Purchase

1,622

1.4845 GBP

1p ordinary

Purchase

1,364

1.4850 GBP

1p ordinary

Purchase

1,351

1.4760 GBP

1p ordinary

Purchase

576

1.4740 GBP

1p ordinary

Purchase

429

1.4745 GBP

1p ordinary

Purchase

328

1.4805 GBP

1p ordinary

Purchase

307

1.4810 GBP

1p ordinary

Purchase

245

1.4770 GBP

1p ordinary

Purchase

39

1.4780 GBP

1p ordinary

Sale

381,972

1.4585 GBP

1p ordinary

Sale

370,949

1.4299 GBP

1p ordinary

Sale

298,170

1.4361 GBP

1p ordinary

Sale

120,867

1.4526 GBP

1p ordinary

Sale

108,959

1.4267 GBP

1p ordinary

Sale

97,578

1.4393 GBP

1p ordinary

Sale

94,218

1.4598 GBP

1p ordinary

Sale

71,714

1.4270 GBP

1p ordinary

Sale

69,563

1.4451 GBP

1p ordinary

Sale

41,422

1.4277 GBP

1p ordinary

Sale

37,704

1.4562 GBP

1p ordinary

Sale

24,534

1.4502 GBP

1p ordinary

Sale

20,663

1.4870 GBP

1p ordinary

Sale

19,148

1.4476 GBP

1p ordinary

Sale

15,433

1.4269 GBP

1p ordinary

Sale

13,931

1.4360 GBP

1p ordinary

Sale

12,673

1.4352 GBP

1p ordinary

Sale

10,818

1.4553 GBP

1p ordinary

Sale

10,554

1.4415 GBP

1p ordinary

Sale

10,334

1.4806 GBP

1p ordinary

Sale

10,302

1.4390 GBP

1p ordinary

Sale

9,760

1.4454 GBP

1p ordinary

Sale

8,717

1.4523 GBP

1p ordinary

Sale

7,527

1.4319 GBP

1p ordinary

Sale

6,517

1.4440 GBP

1p ordinary

Sale

6,495

1.4775 GBP

1p ordinary

Sale

6,382

1.4400 GBP

1p ordinary

Sale

6,166

1.4731 GBP

1p ordinary

Sale

4,844

1.4654 GBP

1p ordinary

Sale

4,616

1.4501 GBP

1p ordinary

Sale

4,555

1.4883 GBP

1p ordinary

Sale

4,253

1.4300 GBP

1p ordinary

Sale

3,777

1.4735 GBP

1p ordinary

Sale

3,216

1.4579 GBP

1p ordinary

Sale

3,100

1.4858 GBP

1p ordinary

Sale

2,307

1.4830 GBP

1p ordinary

Sale

2,039

1.4700 GBP

1p ordinary

Sale

1,861

1.4780 GBP

1p ordinary

Sale

1,700

1.4582 GBP

1p ordinary

Sale

1,537

1.4290 GBP

1p ordinary

Sale

1,396

1.4429 GBP

1p ordinary

Sale

1,364

1.4850 GBP

1p ordinary

Sale

1,351

1.4760 GBP

1p ordinary

Sale

779

1.4815 GBP

1p ordinary

Sale

429

1.4745 GBP

1p ordinary

Sale

328

1.4805 GBP

1p ordinary

Sale

307

1.4810 GBP

1p ordinary

Sale

298

1.4461 GBP

1p ordinary

Sale

204

1.4770 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

3,017

1.4266 USD

1p ordinary

SWAP

Decreasing Short

108,959

1.4267 GBP

1p ordinary

SWAP

Decreasing Short

306,553

1.4270 GBP

1p ordinary

SWAP

Decreasing Short

41,422

1.4277 GBP

1p ordinary

SWAP

Decreasing Short

104,970

1.4303 GBP

1p ordinary

SWAP

Decreasing Short

7,527

1.4319 GBP

1p ordinary

SWAP

Decreasing Short

1,396

1.4429 GBP

1p ordinary

SWAP

Decreasing Short

57,317

1.4438 GBP

1p ordinary

SWAP

Decreasing Short

32,831

1.4452 GBP

1p ordinary

SWAP

Decreasing Short

120,867

1.4526 GBP

1p ordinary

SWAP

Decreasing Short

381,972

1.4585 GBP

1p ordinary

SWAP

Decreasing Short

6,166

1.4731 GBP

1p ordinary

SWAP

Increasing Short

101,169

1.4270 GBP

1p ordinary

SWAP

Increasing Short

69,518

1.4288 GBP

1p ordinary

SWAP

Increasing Short

21,581

1.4389 GBP

1p ordinary

SWAP

Increasing Short

18,621

1.4480 GBP

1p ordinary

SWAP

Increasing Short

73,318

1.4613 GBP

1p ordinary

SWAP

Increasing Short

3,405

1.4670 GBP

1p ordinary

SWAP

Increasing Short

500

1.4920 GBP

1p ordinary

SWAP

Increasing Short

56

1.5000 GBP

1p ordinary

CFD

Decreasing Short

9,782

1.4288 GBP

1p ordinary

CFD

Decreasing Short

79,130

1.4407 GBP

1p ordinary

CFD

Increasing Short

58,964

1.4271 GBP

1p ordinary

CFD

Increasing Short

6,121

1.4978 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:

03 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213