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:

05 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:

15,056,116

0.61%

11,676,077

0.47%

(2)

Cash-settled derivatives:

10,223,426

0.41%

13,698,411

0.55%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

25,279,542

1.02%

25,374,488

1.02%

(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

257,921

1.4260 GBP

1p ordinary

Purchase

205,374

1.4252 GBP

1p ordinary

Purchase

197,766

1.4240 GBP

1p ordinary

Purchase

125,247

1.4217 GBP

1p ordinary

Purchase

102,250

1.4183 GBP

1p ordinary

Purchase

74,669

1.4247 GBP

1p ordinary

Purchase

63,325

1.4190 GBP

1p ordinary

Purchase

60,642

1.4191 GBP

1p ordinary

Purchase

51,505

1.4201 GBP

1p ordinary

Purchase

45,882

1.4180 GBP

1p ordinary

Purchase

32,046

1.4210 GBP

1p ordinary

Purchase

31,631

1.4200 GBP

1p ordinary

Purchase

24,272

1.4208 GBP

1p ordinary

Purchase

18,289

1.4163 GBP

1p ordinary

Purchase

15,492

1.4230 GBP

1p ordinary

Purchase

14,187

1.4220 GBP

1p ordinary

Purchase

9,700

1.4170 GBP

1p ordinary

Purchase

9,046

1.4212 GBP

1p ordinary

Purchase

8,740

1.4250 GBP

1p ordinary

Purchase

6,573

1.4235 GBP

1p ordinary

Purchase

6,164

1.4173 GBP

1p ordinary

Purchase

4,994

1.4186 GBP

1p ordinary

Purchase

4,853

1.4160 GBP

1p ordinary

Purchase

3,654

1.4182 GBP

1p ordinary

Purchase

3,592

1.4195 GBP

1p ordinary

Purchase

3,560

1.4175 GBP

1p ordinary

Purchase

3,013

1.4100 GBP

1p ordinary

Purchase

2,307

1.4229 GBP

1p ordinary

Purchase

1,498

1.4140 GBP

1p ordinary

Purchase

1,169

1.4141 GBP

1p ordinary

Purchase

740

1.4215 GBP

1p ordinary

Purchase

468

1.4205 GBP

1p ordinary

Purchase

8

1.4185 GBP

1p ordinary

Purchase

1

1.4080 GBP

1p ordinary

Sale

394,856

1.4205 GBP

1p ordinary

Sale

345,296

1.4260 GBP

1p ordinary

Sale

244,431

1.4255 GBP

1p ordinary

Sale

153,186

1.4238 GBP

1p ordinary

Sale

87,258

1.4259 GBP

1p ordinary

Sale

67,183

1.4199 GBP

1p ordinary

Sale

63,598

1.4210 GBP

1p ordinary

Sale

56,570

1.4232 GBP

1p ordinary

Sale

36,814

1.4235 GBP

1p ordinary

Sale

33,239

1.4240 GBP

1p ordinary

Sale

30,444

1.4190 GBP

1p ordinary

Sale

26,361

1.4223 GBP

1p ordinary

Sale

25,909

1.4200 GBP

1p ordinary

Sale

18,420

1.4209 GBP

1p ordinary

Sale

16,312

1.4230 GBP

1p ordinary

Sale

14,187

1.4220 GBP

1p ordinary

Sale

8,404

1.4165 GBP

1p ordinary

Sale

5,817

1.4250 GBP

1p ordinary

Sale

4,189

1.4231 GBP

1p ordinary

Sale

3,946

1.4195 GBP

1p ordinary

Sale

1,793

1.4170 GBP

1p ordinary

Sale

1,755

1.4060 GBP

1p ordinary

Sale

1,661

1.4100 GBP

1p ordinary

Sale

1,612

1.4180 GBP

1p ordinary

Sale

1,498

1.4140 GBP

1p ordinary

Sale

1,189

1.4065 GBP

1p ordinary

Sale

804

1.4242 GBP

1p ordinary

Sale

740

1.4215 GBP

1p ordinary

Sale

68

1.4236 GBP

1p ordinary

Sale

8

1.4185 GBP

1p ordinary

Sale

1

1.4080 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

1,189

1.4065 GBP

1p ordinary

SWAP

Decreasing Short

510

1.4190 GBP

1p ordinary

SWAP

Decreasing Short

6,251

1.4209 GBP

1p ordinary

SWAP

Decreasing Short

26,038

1.4218 GBP

1p ordinary

SWAP

Decreasing Short

18,685

1.4220 GBP

1p ordinary

SWAP

Decreasing Short

1,218

1.4222 GBP

1p ordinary

SWAP

Decreasing Short

381

1.4228 GBP

1p ordinary

SWAP

Decreasing Short

56,570

1.4232 GBP

1p ordinary

SWAP

Decreasing Short

30,241

1.4235 GBP

1p ordinary

SWAP

Decreasing Short

68

1.4236 GBP

1p ordinary

SWAP

Decreasing Short

153,186

1.4238 GBP

1p ordinary

SWAP

Decreasing Short

150,699

1.4259 GBP

1p ordinary

SWAP

Decreasing Short

256,139

1.4260 GBP

1p ordinary

SWAP

Increasing Short

1,352

1.4100 GBP

1p ordinary

SWAP

Increasing Short

600

1.4133 GBP

1p ordinary

SWAP

Increasing Short

969

1.4160 GBP

1p ordinary

SWAP

Increasing Short

3,654

1.4182 GBP

1p ordinary

SWAP

Increasing Short

12,602

1.4187 GBP

1p ordinary

SWAP

Increasing Short

46,765

1.4195 GBP

1p ordinary

SWAP

Increasing Short

24,272

1.4208 GBP

1p ordinary

SWAP

Increasing Short

18,015

1.4209 GBP

1p ordinary

SWAP

Increasing Short

39,374

1.4211 GBP

1p ordinary

SWAP

Increasing Short

68

1.4230 GBP

1p ordinary

SWAP

Increasing Short

1,876

1.4240 GBP

1p ordinary

SWAP

Increasing Short

44,712

1.4258 GBP

1p ordinary

SWAP

Increasing Short

154,544

1.4260 GBP

1p ordinary

CFD

Increasing Short

2

1.4100 GBP

1p ordinary

CFD

Increasing Short

15

1.4180 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:

06 Aug 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213