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:

08 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:

14,472,540

0.58%

9,964,728

0.40%

(2)

Cash-settled derivatives:

and/or controlled:

8,952,025

0.36%

13,066,571

0.53%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

23,424,565

0.94%

23,031,299

0.93%

(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

193,768

1.4260 GBP

1p ordinary

Purchase

132,684

1.4249 GBP

1p ordinary

Purchase

131,664

1.4500 GBP

1p ordinary

Purchase

83,313

1.4259 GBP

1p ordinary

Purchase

61,596

1.4261 GBP

1p ordinary

Purchase

48,091

1.4250 GBP

1p ordinary

Purchase

19,728

1.4262 GBP

1p ordinary

Purchase

10,006

1.4422 GBP

1p ordinary

Purchase

4,221

1.4255 GBP

1p ordinary

Purchase

1,431

1.4280 GBP

1p ordinary

Purchase

831

1.4210 GBP

1p ordinary

Purchase

415

1.4302 GBP

1p ordinary

Purchase

318

1.4480 GBP

1p ordinary

Purchase

69

1.4410 GBP

1p ordinary

Sale

182,005

1.4272 GBP

1p ordinary

Sale

179,435

1.4315 GBP

1p ordinary

Sale

169,356

1.4285 GBP

1p ordinary

Sale

129,456

1.4252 GBP

1p ordinary

Sale

78,872

1.4260 GBP

1p ordinary

Sale

57,100

1.4292 GBP

1p ordinary

Sale

17,340

1.4266 GBP

1p ordinary

Sale

12,948

1.4240 GBP

1p ordinary

Sale

12,300

1.4262 GBP

1p ordinary

Sale

10,496

1.4258 GBP

1p ordinary

Sale

9,783

1.4288 GBP

1p ordinary

Sale

8,158

1.4270 GBP

1p ordinary

Sale

5,084

1.4263 GBP

1p ordinary

Sale

4,605

1.4382 GBP

1p ordinary

Sale

3,484

1.4267 GBP

1p ordinary

Sale

3,003

1.4253 GBP

1p ordinary

Sale

2,718

1.4229 GBP

1p ordinary

Sale

2,067

1.4230 GBP

1p ordinary

Sale

2,000

1.4279 GBP

1p ordinary

Sale

1,604

1.4490 GBP

1p ordinary

Sale

1,525

1.4399 GBP

1p ordinary

Sale

1,320

1.4375 GBP

1p ordinary

Sale

1,291

1.4390 GBP

1p ordinary

Sale

332

1.4300 GBP

1p ordinary

Sale

328

1.4482 GBP

1p ordinary

Sale

301

1.4250 GBP

1p ordinary

Sale

83

1.4310 GBP

1p ordinary

Sale

69

1.4411 GBP

1p ordinary

Sale

27

1.4251 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

10,496

1.4257 GBP

1p ordinary

SWAP

Decreasing Short

192,083

1.4260 GBP

1p ordinary

SWAP

Decreasing Short

12,300

1.4262 GBP

1p ordinary

SWAP

Decreasing Short

27,485

1.4283 GBP

1p ordinary

SWAP

Decreasing Short

9,783

1.4288 GBP

1p ordinary

SWAP

Decreasing Short

40,228

1.4292 GBP

1p ordinary

SWAP

Decreasing Short

9,190

1.4299 GBP

1p ordinary

SWAP

Decreasing Short

3,547

1.4307 GBP

1p ordinary

SWAP

Decreasing Short

2,094

1.4308 GBP

1p ordinary

SWAP

Decreasing Short

179,435

1.4315 GBP

1p ordinary

SWAP

Decreasing Short

719

1.4349 GBP

1p ordinary

SWAP

Decreasing Short

7,216

1.4382 GBP

1p ordinary

SWAP

Decreasing Short

1,525

1.4399 GBP

1p ordinary

SWAP

Increasing Short

4,221

1.4255 GBP

1p ordinary

SWAP

Increasing Short

18,610

1.4259 GBP

1p ordinary

SWAP

Increasing Short

750

1.4260 GBP

1p ordinary

SWAP

Increasing Short

61,596

1.4261 GBP

1p ordinary

SWAP

Increasing Short

1,431

1.4280 GBP

1p ordinary

SWAP

Increasing Short

10,006

1.4422 GBP

1p ordinary

SWAP

Increasing Short

131,896

1.4500 GBP

1p ordinary

CFD

Decreasing Short

15,270

1.4249 GBP

1p ordinary

CFD

Decreasing Short

3,263

1.4279 GBP

1p ordinary

CFD

Increasing Short

53,000

1.4261 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:

09 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213