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:

25 Jun 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:

17,938,427

0.72%

8,520,212

0.34%

(2)

Cash-settled derivatives:

and/or controlled:

7,424,557

0.30%

16,909,412

0.68%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

25,362,984

1.02%

25,429,624

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 EXEMPT PRINCIPAL TRADER

(a)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

1p ordinary

Purchase

388,163

1.4779 GBP

1p ordinary

Purchase

247,138

1.4650 GBP

1p ordinary

Purchase

190,718

1.4649 GBP

1p ordinary

Purchase

151,483

1.4759 GBP

1p ordinary

Purchase

95,753

1.4801 GBP

1p ordinary

Purchase

54,889

1.4757 GBP

1p ordinary

Purchase

45,018

1.4689 GBP

1p ordinary

Purchase

28,584

1.4774 GBP

1p ordinary

Purchase

9,320

1.4637 GBP

1p ordinary

Purchase

8,412

1.4615 GBP

1p ordinary

Purchase

8,338

1.4780 GBP

1p ordinary

Purchase

7,354

1.4640 GBP

1p ordinary

Purchase

4,969

1.4651 GBP

1p ordinary

Purchase

4,840

1.5001 GBP

1p ordinary

Purchase

4,552

1.4880 GBP

1p ordinary

Purchase

4,179

1.4701 GBP

1p ordinary

Purchase

4,003

1.4652 GBP

1p ordinary

Purchase

2,590

1.4690 GBP

1p ordinary

Purchase

2,000

1.4793 GBP

1p ordinary

Purchase

1,965

1.4655 GBP

1p ordinary

Purchase

1,178

1.4872 GBP

1p ordinary

Purchase

996

1.4626 GBP

1p ordinary

Purchase

774

1.4660 GBP

1p ordinary

Purchase

412

1.4710 GBP

1p ordinary

Sale

221,285

1.4662 GBP

1p ordinary

Sale

213,882

1.4647 GBP

1p ordinary

Sale

212,116

1.4650 GBP

1p ordinary

Sale

162,153

1.4694 GBP

1p ordinary

Sale

109,075

1.4652 GBP

1p ordinary

Sale

88,996

1.4702 GBP

1p ordinary

Sale

71,295

1.4627 GBP

1p ordinary

Sale

27,855

1.4644 GBP

1p ordinary

Sale

21,291

1.4667 GBP

1p ordinary

Sale

21,116

1.4629 GBP

1p ordinary

Sale

17,826

1.4663 GBP

1p ordinary

Sale

14,364

1.4683 GBP

1p ordinary

Sale

10,448

1.4780 GBP

1p ordinary

Sale

9,140

1.4610 GBP

1p ordinary

Sale

8,521

1.4775 GBP

1p ordinary

Sale

7,587

1.4640 GBP

1p ordinary

Sale

6,657

1.4639 GBP

1p ordinary

Sale

6,475

1.4617 GBP

1p ordinary

Sale

5,033

1.4847 GBP

1p ordinary

Sale

4,758

1.4781 GBP

1p ordinary

Sale

4,050

1.4649 GBP

1p ordinary

Sale

3,127

1.4622 GBP

1p ordinary

Sale

2,812

1.4635 GBP

1p ordinary

Sale

2,784

1.4710 GBP

1p ordinary

Sale

2,705

1.4597 GBP

1p ordinary

Sale

2,353

1.4638 GBP

1p ordinary

Sale

1,527

1.4778 GBP

1p ordinary

Sale

687

1.4739 GBP

1p ordinary

Sale

557

1.4849 GBP

1p ordinary

Sale

457

1.4777 GBP

1p ordinary

Sale

62

1.4838 GBP

1p ordinary

Sale

57

1.4690 GBP

1p ordinary

Sale

10

1.4850 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

Opening Long

13,147

1.4619 GBP

1p ordinary

SWAP

Increasing Long

71,295

1.4627 GBP

1p ordinary

SWAP

Increasing Long

16,261

1.4638 GBP

1p ordinary

SWAP

Increasing Long

13,852

1.4639 GBP

1p ordinary

SWAP

Increasing Long

27,855

1.4644 GBP

1p ordinary

SWAP

Increasing Long

213,882

1.4647 GBP

1p ordinary

SWAP

Increasing Long

4,050

1.4649 GBP

1p ordinary

SWAP

Increasing Long

200,344

1.4650 GBP

1p ordinary

SWAP

Increasing Long

17,826

1.4663 GBP

1p ordinary

SWAP

Increasing Long

21,291

1.4667 GBP

1p ordinary

SWAP

Increasing Long

88,996

1.4702 GBP

1p ordinary

SWAP

Increasing Long

3,309

1.4745 GBP

1p ordinary

SWAP

Increasing Long

1,026

1.4757 GBP

1p ordinary

SWAP

Increasing Long

18,121

1.4759 GBP

1p ordinary

SWAP

Increasing Long

43

1.4772 GBP

1p ordinary

SWAP

Increasing Long

86

1.4774 GBP

1p ordinary

SWAP

Increasing Long

5,033

1.4847 GBP

1p ordinary

SWAP

Increasing Long

557

1.4849 GBP

1p ordinary

SWAP

Decreasing Long

132,021

1.4650 GBP

1p ordinary

SWAP

Decreasing Long

4,003

1.4652 GBP

1p ordinary

SWAP

Decreasing Long

774

1.4660 GBP

1p ordinary

SWAP

Decreasing Long

54,324

1.4733 GBP

1p ordinary

SWAP

Decreasing Long

388,163

1.4779 GBP

1p ordinary

SWAP

Decreasing Long

2,000

1.4793 GBP

1p ordinary

SWAP

Decreasing Long

95,753

1.4801 GBP

1p ordinary

SWAP

Decreasing Long

5,953

1.4805 GBP

1p ordinary

SWAP

Decreasing Long

33,105

1.4815 GBP

1p ordinary

SWAP

Opening Short

4,840

1.5001 GBP

1p ordinary

SWAP

Increasing Short

20

1.5080 GBP

1p ordinary

CFD

Opening Long

30,901

1.4658 GBP

1p ordinary

CFD

Decreasing Long

8,841

1.4682 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:

26 Jun 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213