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:

18 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:

14,811,077

0.60%

11,319,051

0.46%

(2)

Cash-settled derivatives:

and/or controlled:

10,263,880

0.41%

13,339,243

0.54%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

25,074,957

1.01%

24,658,294

0.99%

(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

680,455

1.4440 GBP

1p ordinary

Purchase

193,899

1.4295 GBP

1p ordinary

Purchase

131,044

1.4378 GBP

1p ordinary

Purchase

118,993

1.4385 GBP

1p ordinary

Purchase

116,116

1.4331 GBP

1p ordinary

Purchase

63,635

1.4322 GBP

1p ordinary

Purchase

21,648

1.4292 GBP

1p ordinary

Purchase

18,815

1.4323 GBP

1p ordinary

Purchase

15,338

1.4429 GBP

1p ordinary

Purchase

15,288

1.4436 GBP

1p ordinary

Purchase

13,642

1.4346 GBP

1p ordinary

Purchase

7,887

1.4243 GBP

1p ordinary

Purchase

6,399

1.4340 GBP

1p ordinary

Purchase

6,141

1.4380 GBP

1p ordinary

Purchase

5,652

1.4370 GBP

1p ordinary

Purchase

5,388

1.4350 GBP

1p ordinary

Purchase

4,466

1.4310 GBP

1p ordinary

Purchase

3,876

1.4320 GBP

1p ordinary

Purchase

3,457

1.4390 GBP

1p ordinary

Purchase

3,306

1.4250 GBP

1p ordinary

Purchase

2,842

1.4360 GBP

1p ordinary

Purchase

2,421

1.4315 GBP

1p ordinary

Purchase

2,411

1.4330 GBP

1p ordinary

Purchase

2,241

1.4400 GBP

1p ordinary

Purchase

2,223

1.4410 GBP

1p ordinary

Purchase

2,074

1.4300 GBP

1p ordinary

Purchase

847

1.4240 GBP

1p ordinary

Purchase

510

1.4420 GBP

1p ordinary

Purchase

386

1.4260 GBP

1p ordinary

Purchase

386

1.4270 GBP

1p ordinary

Sale

826,284

1.4440 GBP

1p ordinary

Sale

378,335

1.4434 GBP

1p ordinary

Sale

89,165

1.4419 GBP

1p ordinary

Sale

62,860

1.4362 GBP

1p ordinary

Sale

25,496

1.4338 GBP

1p ordinary

Sale

17,055

1.4410 GBP

1p ordinary

Sale

15,560

1.4293 GBP

1p ordinary

Sale

14,506

1.4381 GBP

1p ordinary

Sale

12,354

1.4317 GBP

1p ordinary

Sale

10,505

1.4439 GBP

1p ordinary

Sale

8,052

1.4302 GBP

1p ordinary

Sale

5,652

1.4370 GBP

1p ordinary

Sale

4,789

1.4348 GBP

1p ordinary

Sale

4,693

1.4380 GBP

1p ordinary

Sale

4,466

1.4310 GBP

1p ordinary

Sale

4,408

1.4320 GBP

1p ordinary

Sale

3,791

1.4350 GBP

1p ordinary

Sale

3,699

1.4298 GBP

1p ordinary

Sale

3,552

1.4340 GBP

1p ordinary

Sale

3,457

1.4390 GBP

1p ordinary

Sale

3,199

1.4250 GBP

1p ordinary

Sale

2,917

1.4332 GBP

1p ordinary

Sale

2,842

1.4360 GBP

1p ordinary

Sale

2,570

1.4283 GBP

1p ordinary

Sale

2,411

1.4330 GBP

1p ordinary

Sale

2,241

1.4400 GBP

1p ordinary

Sale

2,148

1.4345 GBP

1p ordinary

Sale

963

1.4286 GBP

1p ordinary

Sale

847

1.4240 GBP

1p ordinary

Sale

826

1.4278 GBP

1p ordinary

Sale

590

1.4249 GBP

1p ordinary

Sale

427

1.4300 GBP

1p ordinary

Sale

386

1.4260 GBP

1p ordinary

Sale

386

1.4270 GBP

1p ordinary

Sale

359

1.4369 GBP

1p ordinary

Sale

351

1.4341 GBP

1p ordinary

Sale

2

1.4231 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

590

1.4249 GBP

1p ordinary

SWAP

Decreasing Short

4,061

1.4328 GBP

1p ordinary

SWAP

Decreasing Short

25,496

1.4338 GBP

1p ordinary

SWAP

Decreasing Short

864

1.4343 GBP

1p ordinary

SWAP

Decreasing Short

4,789

1.4348 GBP

1p ordinary

SWAP

Decreasing Short

913

1.4362 GBP

1p ordinary

SWAP

Decreasing Short

359

1.4369 GBP

1p ordinary

SWAP

Decreasing Short

212

1.4388 GBP

1p ordinary

SWAP

Decreasing Short

14,832

1.4410 GBP

1p ordinary

SWAP

Decreasing Short

16,232

1.4437 GBP

1p ordinary

SWAP

Decreasing Short

86,476

1.4438 GBP

1p ordinary

SWAP

Decreasing Short

29,196

1.4439 GBP

1p ordinary

SWAP

Decreasing Short

276,844

1.4440 GBP

1p ordinary

SWAP

Increasing Short

4

1.4230 GBP

1p ordinary

SWAP

Increasing Short

107

1.4250 GBP

1p ordinary

SWAP

Increasing Short

21,648

1.4292 GBP

1p ordinary

SWAP

Increasing Short

2,421

1.4315 GBP

1p ordinary

SWAP

Increasing Short

17,960

1.4320 GBP

1p ordinary

SWAP

Increasing Short

63,635

1.4322 GBP

1p ordinary

SWAP

Increasing Short

119,277

1.4331 GBP

1p ordinary

SWAP

Increasing Short

2,847

1.4340 GBP

1p ordinary

SWAP

Increasing Short

15,288

1.4436 GBP

1p ordinary

SWAP

Increasing Short

125,893

1.4440 GBP

1p ordinary

CFD

Decreasing Short

12,354

1.4317 GBP

1p ordinary

CFD

Decreasing Short

223,583

1.4440 GBP

1p ordinary

CFD

Increasing Short

193,899

1.4295 GBP

1p ordinary

CFD

Increasing Short

11,546

1.4351 GBP

1p ordinary

CFD

Increasing Short

4,583

1.4361 GBP

1p ordinary

CFD

Increasing Short

32,265

1.4374 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:

21 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213