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:

07 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:

14,491,874

0.58%

9,775,107

0.39%

(2)

Cash-settled derivatives:

and/or controlled:

8,734,905

0.35%

13,082,575

0.53%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

23,226,779

0.94%

22,857,682

0.92%

(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

386,295

1.4500 GBP

1p ordinary

Purchase

381,886

1.4527 GBP

1p ordinary

Purchase

70,700

1.4536 GBP

1p ordinary

Purchase

55,148

1.4521 GBP

1p ordinary

Purchase

34,780

1.4579 GBP

1p ordinary

Purchase

27,851

1.4466 GBP

1p ordinary

Purchase

26,253

1.4574 GBP

1p ordinary

Purchase

20,479

1.4541 GBP

1p ordinary

Purchase

17,205

1.4564 GBP

1p ordinary

Purchase

16,782

1.4569 GBP

1p ordinary

Purchase

14,499

1.4599 GBP

1p ordinary

Purchase

11,573

1.4589 GBP

1p ordinary

Purchase

7,612

1.4432 GBP

1p ordinary

Purchase

6,826

1.4581 GBP

1p ordinary

Purchase

6,770

1.4594 GBP

1p ordinary

Purchase

5,953

1.4420 GBP

1p ordinary

Purchase

5,122

1.4551 GBP

1p ordinary

Purchase

5,093

1.4586 GBP

1p ordinary

Purchase

4,800

1.4549 GBP

1p ordinary

Purchase

3,506

1.4580 GBP

1p ordinary

Purchase

2,997

1.4603 GBP

1p ordinary

Purchase

2,923

1.4604 GBP

1p ordinary

Purchase

2,912

1.4542 GBP

1p ordinary

Purchase

2,716

1.4470 GBP

1p ordinary

Purchase

2,273

1.4584 GBP

1p ordinary

Purchase

2,057

1.4590 GBP

1p ordinary

Purchase

1,351

1.4530 GBP

1p ordinary

Purchase

859

1.4600 GBP

1p ordinary

Purchase

400

1.4540 GBP

1p ordinary

Purchase

155

1.4440 GBP

1p ordinary

Sale

471,178

1.4509 GBP

1p ordinary

Sale

415,428

1.4500 GBP

1p ordinary

Sale

386,906

1.4530 GBP

1p ordinary

Sale

352,823

1.4568 GBP

1p ordinary

Sale

120,745

1.4578 GBP

1p ordinary

Sale

102,270

1.4559 GBP

1p ordinary

Sale

69,523

1.4560 GBP

1p ordinary

Sale

49,263

1.4562 GBP

1p ordinary

Sale

45,666

1.4558 GBP

1p ordinary

Sale

28,755

1.4567 GBP

1p ordinary

Sale

27,008

1.4484 GBP

1p ordinary

Sale

26,709

1.4564 GBP

1p ordinary

Sale

23,000

1.4495 GBP

1p ordinary

Sale

14,420

1.4570 GBP

1p ordinary

Sale

12,302

1.4551 GBP

1p ordinary

Sale

11,768

1.4565 GBP

1p ordinary

Sale

6,600

1.4580 GBP

1p ordinary

Sale

6,463

1.4557 GBP

1p ordinary

Sale

5,500

1.4577 GBP

1p ordinary

Sale

5,223

1.4590 GBP

1p ordinary

Sale

4,644

1.4497 GBP

1p ordinary

Sale

4,540

1.4550 GBP

1p ordinary

Sale

4,113

1.4436 GBP

1p ordinary

Sale

3,494

1.4529 GBP

1p ordinary

Sale

3,226

1.4471 GBP

1p ordinary

Sale

3,074

1.4520 GBP

1p ordinary

Sale

3,050

1.4444 GBP

1p ordinary

Sale

1,773

1.4430 GBP

1p ordinary

Sale

1,704

1.4508 GBP

1p ordinary

Sale

1,561

1.4510 GBP

1p ordinary

Sale

1,447

1.4434 GBP

1p ordinary

Sale

521

1.4420 GBP

1p ordinary

Sale

325

1.4600 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

3,226

1.4471 GBP

1p ordinary

SWAP

Decreasing Short

743,617

1.4500 GBP

1p ordinary

SWAP

Decreasing Short

3,494

1.4529 GBP

1p ordinary

SWAP

Decreasing Short

12,507

1.4532 GBP

1p ordinary

SWAP

Decreasing Short

6,425

1.4541 GBP

1p ordinary

SWAP

Decreasing Short

4,540

1.4550 GBP

1p ordinary

SWAP

Decreasing Short

12,302

1.4551 GBP

1p ordinary

SWAP

Decreasing Short

41,202

1.4556 GBP

1p ordinary

SWAP

Decreasing Short

69,523

1.4560 GBP

1p ordinary

SWAP

Decreasing Short

49,263

1.4562 GBP

1p ordinary

SWAP

Decreasing Short

338,706

1.4568 GBP

1p ordinary

SWAP

Decreasing Short

47,665

1.4569 GBP

1p ordinary

SWAP

Decreasing Short

55,406

1.4574 GBP

1p ordinary

SWAP

Increasing Short

7,612

1.4432 GBP

1p ordinary

SWAP

Increasing Short

59,113

1.4499 GBP

1p ordinary

SWAP

Increasing Short

161,088

1.4500 GBP

1p ordinary

SWAP

Increasing Short

14,075

1.4508 GBP

1p ordinary

SWAP

Increasing Short

70,700

1.4536 GBP

1p ordinary

SWAP

Increasing Short

859

1.4600 GBP

1p ordinary

CFD

Decreasing Short

19,787

1.4475 GBP

1p ordinary

CFD

Decreasing Short

22,485

1.4558 GBP

1p ordinary

CFD

Increasing Short

13,650

1.4501 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:

08 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213