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:

11 Aug 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:

14,491,174

0.58%

12,334,936

0.50%

(2)

Cash-settled derivatives:

10,848,370

0.44%

13,315,895

0.54%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

25,339,544

1.02%

25,650,831

1.03%

(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 PERSON MAKING THE DISCLOSURE

(a)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

1p ordinary

Purchase

346,677

1.4162 GBP

1p ordinary

Purchase

198,003

1.4120 GBP

1p ordinary

Purchase

99,206

1.4172 GBP

1p ordinary

Purchase

56,748

1.4170 GBP

1p ordinary

Purchase

50,850

1.4168 GBP

1p ordinary

Purchase

40,526

1.4119 GBP

1p ordinary

Purchase

32,379

1.4194 GBP

1p ordinary

Purchase

31,041

1.4171 GBP

1p ordinary

Purchase

27,348

1.4179 GBP

1p ordinary

Purchase

25,537

1.4180 GBP

1p ordinary

Purchase

24,926

1.4203 GBP

1p ordinary

Purchase

23,148

1.4186 GBP

1p ordinary

Purchase

15,844

1.4210 GBP

1p ordinary

Purchase

6,700

1.4185 GBP

1p ordinary

Purchase

6,696

1.4204 GBP

1p ordinary

Purchase

3,799

1.4230 GBP

1p ordinary

Purchase

3,093

1.4214 GBP

1p ordinary

Purchase

3,082

1.4190 GBP

1p ordinary

Purchase

2,800

1.4220 GBP

1p ordinary

Purchase

2,697

1.4200 GBP

1p ordinary

Purchase

2,077

1.4150 GBP

1p ordinary

Purchase

1,679

1.4188 GBP

1p ordinary

Purchase

1,617

1.4140 GBP

1p ordinary

Purchase

1,221

1.4240 GBP

1p ordinary

Purchase

709

1.4222 GBP

1p ordinary

Purchase

693

1.4130 GBP

1p ordinary

Purchase

654

1.4160 GBP

1p ordinary

Purchase

438

1.4173 GBP

1p ordinary

Purchase

404

1.4193 GBP

1p ordinary

Purchase

397

1.4213 GBP

1p ordinary

Purchase

292

1.4217 GBP

1p ordinary

Sale

594,878

1.4166 GBP

1p ordinary

Sale

261,379

1.4120 GBP

1p ordinary

Sale

154,253

1.4155 GBP

1p ordinary

Sale

79,535

1.4131 GBP

1p ordinary

Sale

52,569

1.4198 GBP

1p ordinary

Sale

35,438

1.4158 GBP

1p ordinary

Sale

33,009

1.4119 GBP

1p ordinary

Sale

32,897

1.4156 GBP

1p ordinary

Sale

22,052

1.4143 GBP

1p ordinary

Sale

16,875

1.4193 GBP

1p ordinary

Sale

9,455

1.4153 GBP

1p ordinary

Sale

8,697

1.4133 GBP

1p ordinary

Sale

8,664

1.4152 GBP

1p ordinary

Sale

7,558

1.4141 GBP

1p ordinary

Sale

6,114

1.4150 GBP

1p ordinary

Sale

5,446

1.4170 GBP

1p ordinary

Sale

5,146

1.4209 GBP

1p ordinary

Sale

4,980

1.4190 GBP

1p ordinary

Sale

4,617

1.4140 GBP

1p ordinary

Sale

4,266

1.4197 GBP

1p ordinary

Sale

3,072

1.4180 GBP

1p ordinary

Sale

3,068

1.4220 GBP

1p ordinary

Sale

3,050

1.4210 GBP

1p ordinary

Sale

2,697

1.4200 GBP

1p ordinary

Sale

2,274

1.4163 GBP

1p ordinary

Sale

1,221

1.4240 GBP

1p ordinary

Sale

836

1.4230 GBP

1p ordinary

Sale

709

1.4222 GBP

1p ordinary

Sale

693

1.4130 GBP

1p ordinary

Sale

654

1.4160 GBP

1p ordinary

Sale

446

1.4203 GBP

1p ordinary

Sale

438

1.4173 GBP

1p ordinary

Sale

397

1.4213 GBP

1p ordinary

Sale

254

1.4196 GBP

1p ordinary

Sale

145

1.4145 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

33,009

1.4119 GBP

1p ordinary

SWAP

Decreasing Short

154,133

1.4120 GBP

1p ordinary

SWAP

Decreasing Short

6,754

1.4131 GBP

1p ordinary

SWAP

Decreasing Short

7,716

1.4140 GBP

1p ordinary

SWAP

Decreasing Short

22,052

1.4143 GBP

1p ordinary

SWAP

Decreasing Short

3,244

1.4155 GBP

1p ordinary

SWAP

Decreasing Short

32,897

1.4156 GBP

1p ordinary

SWAP

Decreasing Short

35,438

1.4158 GBP

1p ordinary

SWAP

Decreasing Short

726

1.4188 GBP

1p ordinary

SWAP

Decreasing Short

9,222

1.4202 GBP

1p ordinary

SWAP

Decreasing Short

1,868

1.4205 GBP

1p ordinary

SWAP

Decreasing Short

268

1.4219 GBP

1p ordinary

SWAP

Increasing Short

1,138

1.4123 USD

1p ordinary

SWAP

Increasing Short

11,781

1.4134 GBP

1p ordinary

SWAP

Increasing Short

5,037

1.4152 GBP

1p ordinary

SWAP

Increasing Short

70

1.4170 GBP

1p ordinary

SWAP

Increasing Short

3,974

1.4189 GBP

1p ordinary

SWAP

Increasing Short

14,706

1.4191 GBP

1p ordinary

SWAP

Increasing Short

1,200

1.4196 GBP

1p ordinary

SWAP

Increasing Short

6,696

1.4204 GBP

1p ordinary

SWAP

Increasing Short

9,074

1.4210 GBP

1p ordinary

SWAP

Increasing Short

292

1.4217 GBP

1p ordinary

SWAP

Increasing Short

2,963

1.4230 GBP

1p ordinary

CFD

Decreasing Short

3,877

1.4119 GBP

1p ordinary

CFD

Decreasing Short

30,018

1.4152 GBP

1p ordinary

CFD

Decreasing Short

7

1.4171 GBP

1p ordinary

CFD

Decreasing Short

25,544

1.4179 GBP

1p ordinary

CFD

Decreasing Short

47,838

1.4185 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)

Exercise

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:

12 Aug 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213