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:

03 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:

14,801,099

0.60%

8,794,064

0.35%

(2)

Cash-settled derivatives:

and/or controlled:

7,699,626

0.31%

13,381,673

0.54%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

22,500,725

0.91%

22,175,737

0.89%

(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

1,227,418

1.4427 GBP

1p ordinary

Purchase

166,646

1.4420 GBP

1p ordinary

Purchase

138,669

1.4417 GBP

1p ordinary

Purchase

79,344

1.4428 GBP

1p ordinary

Purchase

53,500

1.4393 GBP

1p ordinary

Purchase

48,037

1.4433 GBP

1p ordinary

Purchase

33,407

1.4422 GBP

1p ordinary

Purchase

27,858

1.4450 GBP

1p ordinary

Purchase

27,239

1.4440 GBP

1p ordinary

Purchase

22,953

1.4418 GBP

1p ordinary

Purchase

16,316

1.4430 GBP

1p ordinary

Purchase

13,180

1.4410 GBP

1p ordinary

Purchase

8,669

1.4390 GBP

1p ordinary

Purchase

8,575

1.4448 GBP

1p ordinary

Purchase

5,094

1.4400 GBP

1p ordinary

Purchase

3,234

1.4470 GBP

1p ordinary

Purchase

3,158

1.4441 GBP

1p ordinary

Purchase

3,144

1.4436 GBP

1p ordinary

Purchase

2,667

1.4479 GBP

1p ordinary

Purchase

1,546

1.4480 GBP

1p ordinary

Purchase

1,545

1.4460 GBP

1p ordinary

Purchase

1,407

1.4490 GBP

1p ordinary

Purchase

1,330

1.4510 GBP

1p ordinary

Purchase

50

1.4412 GBP

1p ordinary

Purchase

25

1.4424 GBP

1p ordinary

Sale

953,229

1.4420 GBP

1p ordinary

Sale

165,171

1.4432 GBP

1p ordinary

Sale

154,033

1.4433 GBP

1p ordinary

Sale

132,743

1.4415 GBP

1p ordinary

Sale

99,139

1.4445 GBP

1p ordinary

Sale

66,910

1.4435 GBP

1p ordinary

Sale

54,113

1.4402 GBP

1p ordinary

Sale

49,736

1.4436 GBP

1p ordinary

Sale

43,164

1.4430 GBP

1p ordinary

Sale

36,833

1.4428 GBP

1p ordinary

Sale

32,468

1.4397 GBP

1p ordinary

Sale

29,232

1.4429 GBP

1p ordinary

Sale

23,353

1.4439 GBP

1p ordinary

Sale

19,729

1.4458 GBP

1p ordinary

Sale

17,247

1.4431 GBP

1p ordinary

Sale

16,918

1.4424 GBP

1p ordinary

Sale

16,138

1.4410 GBP

1p ordinary

Sale

15,464

1.4450 GBP

1p ordinary

Sale

15,402

1.4504 GBP

1p ordinary

Sale

15,343

1.4496 GBP

1p ordinary

Sale

11,791

1.4498 GBP

1p ordinary

Sale

11,300

1.4434 GBP

1p ordinary

Sale

10,000

1.4378 GBP

1p ordinary

Sale

9,339

1.4462 GBP

1p ordinary

Sale

6,749

1.4401 GBP

1p ordinary

Sale

5,214

1.4390 GBP

1p ordinary

Sale

5,093

1.4400 GBP

1p ordinary

Sale

4,821

1.4422 GBP

1p ordinary

Sale

4,498

1.4440 GBP

1p ordinary

Sale

3,316

1.4426 GBP

1p ordinary

Sale

3,234

1.4470 GBP

1p ordinary

Sale

3,140

1.4455 GBP

1p ordinary

Sale

1,546

1.4480 GBP

1p ordinary

Sale

1,545

1.4460 GBP

1p ordinary

Sale

1,516

1.4520 GBP

1p ordinary

Sale

1,385

1.4530 GBP

1p ordinary

Sale

1,330

1.4510 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

31,652

1.4270 GBP

1p ordinary

SWAP

Decreasing Short

1,418

1.4390 GBP

1p ordinary

SWAP

Decreasing Short

32,468

1.4397 GBP

1p ordinary

SWAP

Decreasing Short

3,605

1.4400 GBP

1p ordinary

SWAP

Decreasing Short

6,749

1.4401 GBP

1p ordinary

SWAP

Decreasing Short

54,113

1.4402 GBP

1p ordinary

SWAP

Decreasing Short

129,871

1.4415 GBP

1p ordinary

SWAP

Decreasing Short

39,721

1.4419 GBP

1p ordinary

SWAP

Decreasing Short

4,821

1.4422 GBP

1p ordinary

SWAP

Decreasing Short

7,590

1.4424 GBP

1p ordinary

SWAP

Decreasing Short

1,403

1.4429 GBP

1p ordinary

SWAP

Decreasing Short

23,353

1.4439 GBP

1p ordinary

SWAP

Decreasing Short

101,401

1.4445 GBP

1p ordinary

SWAP

Decreasing Short

500

1.4509 GBP

1p ordinary

SWAP

Increasing Short

200

1.4390 GBP

1p ordinary

SWAP

Increasing Short

22,953

1.4418 GBP

1p ordinary

SWAP

Increasing Short

54,289

1.4420 GBP

1p ordinary

SWAP

Increasing Short

33,407

1.4422 GBP

1p ordinary

SWAP

Increasing Short

25

1.4424 GBP

1p ordinary

SWAP

Increasing Short

212,700

1.4426 GBP

1p ordinary

SWAP

Increasing Short

16,654

1.4433 GBP

1p ordinary

SWAP

Increasing Short

1,267

1.4450 GBP

1p ordinary

CFD

Decreasing Short

50,126

1.4418 GBP

1p ordinary

CFD

Decreasing Short

40,795

1.4442 GBP

1p ordinary

CFD

Increasing Short

2,813

1.4410 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:

04 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213