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 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:

14,677,986

0.59%

10,302,295

0.42%

(2)

Cash-settled derivatives:

and/or controlled:

9,308,478

0.38%

13,226,709

0.53%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

23,986,464

0.97%

23,529,004

0.95%

(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

397,312

1.4210 GBP

1p ordinary

Purchase

174,040

1.4227 GBP

1p ordinary

Purchase

90,000

1.4183 GBP

1p ordinary

Purchase

56,788

1.4205 GBP

1p ordinary

Purchase

24,780

1.4208 GBP

1p ordinary

Purchase

18,510

1.4181 GBP

1p ordinary

Purchase

15,901

1.4215 GBP

1p ordinary

Purchase

12,984

1.4200 GBP

1p ordinary

Purchase

7,592

1.4211 GBP

1p ordinary

Purchase

5,830

1.4212 GBP

1p ordinary

Purchase

5,381

1.4184 GBP

1p ordinary

Purchase

4,699

1.4269 GBP

1p ordinary

Purchase

2,804

1.4180 GBP

1p ordinary

Purchase

1,873

1.4219 GBP

1p ordinary

Purchase

1,369

1.4195 GBP

1p ordinary

Purchase

1,014

1.4240 GBP

1p ordinary

Purchase

544

1.4170 GBP

1p ordinary

Purchase

518

1.4190 GBP

1p ordinary

Purchase

377

1.4160 GBP

1p ordinary

Purchase

362

1.4220 GBP

1p ordinary

Purchase

331

1.4270 GBP

1p ordinary

Purchase

69

1.4235 GBP

1p ordinary

Sale

376,732

1.4208 GBP

1p ordinary

Sale

205,483

1.4210 GBP

1p ordinary

Sale

112,367

1.4223 GBP

1p ordinary

Sale

51,999

1.4206 GBP

1p ordinary

Sale

51,795

1.4170 GBP

1p ordinary

Sale

50,000

1.4195 GBP

1p ordinary

Sale

9,859

1.4209 GBP

1p ordinary

Sale

8,373

1.4204 GBP

1p ordinary

Sale

7,845

1.4190 GBP

1p ordinary

Sale

6,264

1.4205 GBP

1p ordinary

Sale

5,165

1.4183 GBP

1p ordinary

Sale

4,539

1.4202 GBP

1p ordinary

Sale

2,890

1.4198 GBP

1p ordinary

Sale

1,259

1.4200 GBP

1p ordinary

Sale

1,230

1.4160 GBP

1p ordinary

Sale

420

1.4230 GBP

1p ordinary

Sale

362

1.4220 GBP

1p ordinary

Sale

130

1.4180 GBP

1p ordinary

Sale

81

1.4187 GBP

1p ordinary

Sale

69

1.4235 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

8,500

1.4170 GBP

1p ordinary

SWAP

Decreasing Short

4,344

1.4174 GBP

1p ordinary

SWAP

Decreasing Short

16,216

1.4198 GBP

1p ordinary

SWAP

Decreasing Short

1,419

1.4201 GBP

1p ordinary

SWAP

Decreasing Short

4,539

1.4202 GBP

1p ordinary

SWAP

Decreasing Short

10,880

1.4204 GBP

1p ordinary

SWAP

Decreasing Short

6,264

1.4205 GBP

1p ordinary

SWAP

Decreasing Short

51,999

1.4206 GBP

1p ordinary

SWAP

Decreasing Short

208

1.4208 GBP

1p ordinary

SWAP

Decreasing Short

27,779

1.4209 GBP

1p ordinary

SWAP

Decreasing Short

270,806

1.4210 GBP

1p ordinary

SWAP

Increasing Short

2,015

1.4190 GBP

1p ordinary

SWAP

Increasing Short

1,903

1.4200 GBP

1p ordinary

SWAP

Increasing Short

32,665

1.4205 GBP

1p ordinary

SWAP

Increasing Short

239,544

1.4210 GBP

1p ordinary

SWAP

Increasing Short

10,104

1.4211 GBP

1p ordinary

SWAP

Increasing Short

5,830

1.4212 GBP

1p ordinary

SWAP

Increasing Short

10,054

1.4212 USD

1p ordinary

SWAP

Increasing Short

15,901

1.4215 GBP

1p ordinary

SWAP

Increasing Short

1,779

1.4227 GBP

1p ordinary

SWAP

Increasing Short

5,030

1.4270 GBP

1p ordinary

SWAP

Increasing Short

92

1.4300 GBP

1p ordinary

CFD

Decreasing Short

12,600

1.4171 GBP

1p ordinary

CFD

Decreasing Short

1,241

1.4229 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:

14 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213