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:

23 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:

14,705,870

0.59%

12,494,670

0.50%

(2)

Cash-settled derivatives:

and/or controlled:

11,188,700

0.45%

13,242,417

0.53%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

25,894,570

1.04%

25,737,087

1.04%

(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

157,675

1.4390 GBP

1p ordinary

Purchase

140,063

1.4389 GBP

1p ordinary

Purchase

60,441

1.4415 GBP

1p ordinary

Purchase

43,332

1.4412 GBP

1p ordinary

Purchase

43,237

1.4460 GBP

1p ordinary

Purchase

15,346

1.4465 GBP

1p ordinary

Purchase

9,967

1.4433 GBP

1p ordinary

Purchase

5,512

1.4419 GBP

1p ordinary

Purchase

4,654

1.4437 GBP

1p ordinary

Purchase

4,501

1.4380 GBP

1p ordinary

Purchase

3,214

1.4398 GBP

1p ordinary

Purchase

3,214

1.4400 GBP

1p ordinary

Purchase

2,868

1.4434 GBP

1p ordinary

Purchase

2,696

1.4432 GBP

1p ordinary

Purchase

2,294

1.4429 GBP

1p ordinary

Purchase

2,162

1.4549 GBP

1p ordinary

Purchase

1,781

1.4431 GBP

1p ordinary

Purchase

1,722

1.4449 GBP

1p ordinary

Purchase

1,465

1.4404 GBP

1p ordinary

Purchase

732

1.4409 GBP

1p ordinary

Purchase

645

1.4420 GBP

1p ordinary

Sale

506,326

1.4390 GBP

1p ordinary

Sale

181,626

1.4418 GBP

1p ordinary

Sale

32,536

1.4444 GBP

1p ordinary

Sale

24,697

1.4409 GBP

1p ordinary

Sale

21,933

1.4391 GBP

1p ordinary

Sale

11,698

1.4507 GBP

1p ordinary

Sale

4,856

1.4468 GBP

1p ordinary

Sale

4,501

1.4380 GBP

1p ordinary

Sale

3,594

1.4486 GBP

1p ordinary

Sale

3,214

1.4400 GBP

1p ordinary

Sale

2,117

1.4569 GBP

1p ordinary

Sale

1,428

1.4416 GBP

1p ordinary

Sale

1,205

1.4410 GBP

1p ordinary

Sale

1,135

1.4430 GBP

1p ordinary

Sale

744

1.4502 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

3,002

1.4384 GBP

1p ordinary

SWAP

Decreasing Short

2,274

1.4388 GBP

1p ordinary

SWAP

Decreasing Short

442,171

1.4390 GBP

1p ordinary

SWAP

Decreasing Short

13,355

1.4391 GBP

1p ordinary

SWAP

Decreasing Short

5,277

1.4394 GBP

1p ordinary

SWAP

Decreasing Short

13,047

1.4396 GBP

1p ordinary

SWAP

Decreasing Short

933

1.4456 GBP

1p ordinary

SWAP

Decreasing Short

5,940

1.4465 GBP

1p ordinary

SWAP

Decreasing Short

3,594

1.4486 GBP

1p ordinary

SWAP

Decreasing Short

11,698

1.4507 GBP

1p ordinary

SWAP

Increasing Short

11,756

1.4390 GBP

1p ordinary

SWAP

Increasing Short

60,441

1.4415 GBP

1p ordinary

SWAP

Increasing Short

6,178

1.4422 GBP

1p ordinary

SWAP

Increasing Short

3,341

1.4429 GBP

1p ordinary

SWAP

Increasing Short

1,781

1.4431 GBP

1p ordinary

SWAP

Increasing Short

8,443

1.4443 GBP

1p ordinary

SWAP

Increasing Short

15,346

1.4465 GBP

1p ordinary

SWAP

Increasing Short

2,162

1.4549 GBP

1p ordinary

SWAP

Increasing Short

9

1.4670 GBP

1p ordinary

CFD

Decreasing Short

13,542

1.4416 GBP

1p ordinary

CFD

Decreasing Short

32,536

1.4444 GBP

1p ordinary

CFD

Decreasing Short

43,763

1.4504 GBP

1p ordinary

CFD

Increasing Short

43,237

1.4459 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:

24 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213