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:

15 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:

14,556,411

0.59%

11,209,275

0.45%

(2)

Cash-settled derivatives:

and/or controlled:

10,216,949

0.41%

13,198,780

0.53%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

24,773,360

1.00%

24,408,055

0.98%

(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

241,573

1.4289 GBP

1p ordinary

Purchase

201,803

1.4323 GBP

1p ordinary

Purchase

98,334

1.4270 GBP

1p ordinary

Purchase

90,994

1.4336 GBP

1p ordinary

Purchase

73,470

1.4356 GBP

1p ordinary

Purchase

65,403

1.4317 GBP

1p ordinary

Purchase

63,127

1.4372 GBP

1p ordinary

Purchase

55,284

1.4415 GBP

1p ordinary

Purchase

54,607

1.4369 GBP

1p ordinary

Purchase

42,754

1.4347 GBP

1p ordinary

Purchase

21,326

1.4338 GBP

1p ordinary

Purchase

20,647

1.4259 GBP

1p ordinary

Purchase

16,042

1.4384 GBP

1p ordinary

Purchase

7,910

1.4340 GBP

1p ordinary

Purchase

6,785

1.4345 GBP

1p ordinary

Purchase

2,789

1.4382 GBP

1p ordinary

Purchase

2,685

1.4414 GBP

1p ordinary

Purchase

2,591

1.4355 GBP

1p ordinary

Purchase

1,450

1.4240 GBP

1p ordinary

Purchase

1,408

1.4352 GBP

1p ordinary

Purchase

1,400

1.4367 GBP

1p ordinary

Purchase

1,388

1.4420 GBP

1p ordinary

Purchase

948

1.4223 GBP

1p ordinary

Purchase

461

1.4230 GBP

1p ordinary

Purchase

440

1.4220 GBP

1p ordinary

Purchase

410

1.4430 GBP

1p ordinary

Purchase

353

1.4400 GBP

1p ordinary

Purchase

200

1.4350 GBP

1p ordinary

Purchase

169

1.4302 GBP

1p ordinary

Purchase

75

1.4320 GBP

1p ordinary

Purchase

47

1.4225 GBP

1p ordinary

Purchase

24

1.4310 GBP

1p ordinary

Sale

737,079

1.4270 GBP

1p ordinary

Sale

715,465

1.4339 GBP

1p ordinary

Sale

102,092

1.4353 GBP

1p ordinary

Sale

57,339

1.4289 GBP

1p ordinary

Sale

45,929

1.4269 GBP

1p ordinary

Sale

30,966

1.4344 GBP

1p ordinary

Sale

28,732

1.4347 GBP

1p ordinary

Sale

15,816

1.4259 GBP

1p ordinary

Sale

8,211

1.4316 GBP

1p ordinary

Sale

8,047

1.4340 GBP

1p ordinary

Sale

6,785

1.4345 GBP

1p ordinary

Sale

4,695

1.4260 GBP

1p ordinary

Sale

4,294

1.4265 GBP

1p ordinary

Sale

4,000

1.4354 GBP

1p ordinary

Sale

3,853

1.4367 GBP

1p ordinary

Sale

3,325

1.4378 GBP

1p ordinary

Sale

1,474

1.4241 GBP

1p ordinary

Sale

1,264

1.4376 GBP

1p ordinary

Sale

461

1.4230 GBP

1p ordinary

Sale

440

1.4220 GBP

1p ordinary

Sale

75

1.4321 GBP

1p ordinary

Sale

47

1.4225 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

18,322

1.4268 GBP

1p ordinary

SWAP

Decreasing Short

524,628

1.4270 GBP

1p ordinary

SWAP

Decreasing Short

57,339

1.4289 GBP

1p ordinary

SWAP

Decreasing Short

6,497

1.4325 GBP

1p ordinary

SWAP

Decreasing Short

317

1.4328 GBP

1p ordinary

SWAP

Decreasing Short

9,846

1.4336 GBP

1p ordinary

SWAP

Decreasing Short

1,714

1.4341 GBP

1p ordinary

SWAP

Decreasing Short

28,732

1.4347 GBP

1p ordinary

SWAP

Decreasing Short

1,264

1.4376 GBP

1p ordinary

SWAP

Decreasing Short

2,617

1.4392 GBP

1p ordinary

SWAP

Increasing Short

25,280

1.4270 GBP

1p ordinary

SWAP

Increasing Short

169

1.4302 GBP

1p ordinary

SWAP

Increasing Short

200

1.4350 GBP

1p ordinary

SWAP

Increasing Short

1,408

1.4352 GBP

1p ordinary

SWAP

Increasing Short

2,000

1.4355 GBP

1p ordinary

SWAP

Increasing Short

29,962

1.4369 GBP

1p ordinary

SWAP

Increasing Short

4,177

1.4394 GBP

1p ordinary

SWAP

Increasing Short

9

1.4400 GBP

1p ordinary

CFD

Decreasing Short

95,711

1.4270 GBP

1p ordinary

CFD

Decreasing Short

15,164

1.4280 GBP

1p ordinary

CFD

Decreasing Short

102,092

1.4353 GBP

1p ordinary

CFD

Decreasing Short

4,000

1.4355 GBP

1p ordinary

CFD

Increasing Short

201,803

1.4323 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:

16 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213