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:

01 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:

15,412,089

0.62%

8,376,719

0.34%

(2)

Cash-settled derivatives:

and/or controlled:

7,211,659

0.29%

13,987,640

0.56%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

22,623,748

0.91%

22,364,359

0.90%

(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

243,527

1.4994 GBP

1p ordinary

Purchase

228,999

1.5000 GBP

1p ordinary

Purchase

211,637

1.4993 GBP

1p ordinary

Purchase

106,615

1.4938 GBP

1p ordinary

Purchase

105,446

1.4976 GBP

1p ordinary

Purchase

70,434

1.4934 GBP

1p ordinary

Purchase

69,438

1.4858 GBP

1p ordinary

Purchase

63,880

1.4920 GBP

1p ordinary

Purchase

44,681

1.4926 GBP

1p ordinary

Purchase

44,618

1.4941 GBP

1p ordinary

Purchase

13,993

1.4921 GBP

1p ordinary

Purchase

11,194

1.4904 GBP

1p ordinary

Purchase

9,080

1.4907 GBP

1p ordinary

Purchase

8,672

1.4969 GBP

1p ordinary

Purchase

8,527

1.4910 GBP

1p ordinary

Purchase

8,494

1.4917 GBP

1p ordinary

Purchase

7,893

1.4913 GBP

1p ordinary

Purchase

7,807

1.4946 GBP

1p ordinary

Purchase

6,238

1.4896 GBP

1p ordinary

Purchase

5,946

1.4880 GBP

1p ordinary

Purchase

5,814

1.4905 GBP

1p ordinary

Purchase

5,467

1.4836 GBP

1p ordinary

Purchase

4,223

1.4935 GBP

1p ordinary

Purchase

2,744

1.4932 GBP

1p ordinary

Purchase

2,291

1.4897 GBP

1p ordinary

Purchase

2,200

1.4959 GBP

1p ordinary

Purchase

1,324

1.4915 GBP

1p ordinary

Purchase

1,310

1.4914 GBP

1p ordinary

Purchase

1,245

1.4980 GBP

1p ordinary

Purchase

1,243

1.4930 GBP

1p ordinary

Purchase

847

1.4940 GBP

1p ordinary

Purchase

429

1.4990 GBP

1p ordinary

Purchase

121

1.4978 GBP

1p ordinary

Sale

272,000

1.4953 GBP

1p ordinary

Sale

259,989

1.4998 GBP

1p ordinary

Sale

218,885

1.5000 GBP

1p ordinary

Sale

217,581

1.4975 GBP

1p ordinary

Sale

140,493

1.4898 GBP

1p ordinary

Sale

137,403

1.4943 GBP

1p ordinary

Sale

70,769

1.4907 GBP

1p ordinary

Sale

67,326

1.4924 GBP

1p ordinary

Sale

26,763

1.4935 GBP

1p ordinary

Sale

18,454

1.4916 GBP

1p ordinary

Sale

16,146

1.4944 GBP

1p ordinary

Sale

16,055

1.4870 GBP

1p ordinary

Sale

13,350

1.4994 GBP

1p ordinary

Sale

12,302

1.4970 GBP

1p ordinary

Sale

8,921

1.4997 GBP

1p ordinary

Sale

4,176

1.4929 GBP

1p ordinary

Sale

3,780

1.4927 GBP

1p ordinary

Sale

3,421

1.4910 GBP

1p ordinary

Sale

2,860

1.4973 GBP

1p ordinary

Sale

2,860

1.4937 GBP

1p ordinary

Sale

2,843

1.4980 GBP

1p ordinary

Sale

2,836

1.4974 GBP

1p ordinary

Sale

1,443

1.4985 GBP

1p ordinary

Sale

998

1.4894 GBP

1p ordinary

Sale

796

1.4977 GBP

1p ordinary

Sale

756

1.4930 GBP

1p ordinary

Sale

48

1.4960 GBP

1p ordinary

Sale

2

1.4915 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

998

1.4894 GBP

1p ordinary

SWAP

Decreasing Short

140,493

1.4898 GBP

1p ordinary

SWAP

Decreasing Short

70,769

1.4907 GBP

1p ordinary

SWAP

Decreasing Short

619

1.4910 GBP

1p ordinary

SWAP

Decreasing Short

55,055

1.4918 GBP

1p ordinary

SWAP

Decreasing Short

46,296

1.4926 GBP

1p ordinary

SWAP

Decreasing Short

2,860

1.4937 GBP

1p ordinary

SWAP

Decreasing Short

2,860

1.4973 GBP

1p ordinary

SWAP

Decreasing Short

13,350

1.4994 GBP

1p ordinary

SWAP

Decreasing Short

17,337

1.4997 GBP

1p ordinary

SWAP

Decreasing Short

152

1.4998 GBP

1p ordinary

SWAP

Decreasing Short

91,752

1.4999 GBP

1p ordinary

SWAP

Decreasing Short

41,373

1.5000 GBP

1p ordinary

SWAP

Increasing Short

5,467

1.4836 GBP

1p ordinary

SWAP

Increasing Short

2,189

1.4890 GBP

1p ordinary

SWAP

Increasing Short

2,291

1.4897 GBP

1p ordinary

SWAP

Increasing Short

4,336

1.4914 GBP

1p ordinary

SWAP

Increasing Short

1,480

1.4920 GBP

1p ordinary

SWAP

Increasing Short

847

1.4940 GBP

1p ordinary

SWAP

Increasing Short

37,860

1.4941 GBP

1p ordinary

SWAP

Increasing Short

37,372

1.4962 GBP

1p ordinary

SWAP

Increasing Short

90,611

1.4967 GBP

1p ordinary

SWAP

Increasing Short

51,930

1.5000 GBP

1p ordinary

CFD

Decreasing Short

4,927

1.4886 GBP

1p ordinary

CFD

Decreasing Short

39,873

1.4953 GBP

1p ordinary

CFD

Decreasing Short

84,020

1.4998 GBP

1p ordinary

CFD

Increasing Short

35,424

1.4922 GBP

1p ordinary

CFD

Increasing Short

79,903

1.4954 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:

02 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213