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:

26 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:

17,554,236

0.71%

8,698,767

0.35%

(2)

Cash-settled derivatives:

and/or controlled:

7,398,839

0.30%

15,972,992

0.64%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

24,953,075

1.01%

24,671,759

0.99%

(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

564,951

1.4750 GBP

1p ordinary

Purchase

184,065

1.4746 GBP

1p ordinary

Purchase

137,753

1.4728 GBP

1p ordinary

Purchase

94,156

1.4747 GBP

1p ordinary

Purchase

68,818

1.4648 GBP

1p ordinary

Purchase

54,966

1.4716 GBP

1p ordinary

Purchase

34,342

1.4722 GBP

1p ordinary

Purchase

32,231

1.4580 GBP

1p ordinary

Purchase

27,061

1.4726 GBP

1p ordinary

Purchase

22,800

1.4609 GBP

1p ordinary

Purchase

19,891

1.4752 GBP

1p ordinary

Purchase

14,653

1.4753 GBP

1p ordinary

Purchase

14,006

1.4730 GBP

1p ordinary

Purchase

13,400

1.4745 GBP

1p ordinary

Purchase

13,030

1.4765 GBP

1p ordinary

Purchase

12,790

1.4770 GBP

1p ordinary

Purchase

10,199

1.4740 GBP

1p ordinary

Purchase

9,606

1.4761 GBP

1p ordinary

Purchase

8,981

1.4721 GBP

1p ordinary

Purchase

7,465

1.4603 GBP

1p ordinary

Purchase

7,348

1.4634 GBP

1p ordinary

Purchase

7,162

1.4748 GBP

1p ordinary

Purchase

6,463

1.4731 GBP

1p ordinary

Purchase

6,218

1.4757 GBP

1p ordinary

Purchase

5,506

1.4769 GBP

1p ordinary

Purchase

5,233

1.4675 GBP

1p ordinary

Purchase

4,379

1.4733 GBP

1p ordinary

Purchase

3,800

1.4755 GBP

1p ordinary

Purchase

3,090

1.4756 GBP

1p ordinary

Purchase

3,020

1.4751 GBP

1p ordinary

Purchase

2,758

1.4742 GBP

1p ordinary

Purchase

2,635

1.4565 GBP

1p ordinary

Purchase

1,780

1.4760 GBP

1p ordinary

Purchase

1,555

1.4715 GBP

1p ordinary

Purchase

1,498

1.4710 GBP

1p ordinary

Purchase

1,404

1.4640 GBP

1p ordinary

Purchase

1,316

1.4570 GBP

1p ordinary

Purchase

1,030

1.4700 GBP

1p ordinary

Purchase

461

1.4780 GBP

1p ordinary

Purchase

84

1.4568 GBP

1p ordinary

Sale

592,890

1.4746 GBP

1p ordinary

Sale

592,156

1.4731 GBP

1p ordinary

Sale

97,199

1.4716 GBP

1p ordinary

Sale

87,896

1.4695 GBP

1p ordinary

Sale

86,452

1.4711 GBP

1p ordinary

Sale

83,630

1.4707 GBP

1p ordinary

Sale

83,009

1.4750 GBP

1p ordinary

Sale

75,489

1.4668 GBP

1p ordinary

Sale

55,181

1.4747 GBP

1p ordinary

Sale

30,778

1.4717 GBP

1p ordinary

Sale

30,119

1.4714 GBP

1p ordinary

Sale

22,913

1.4766 GBP

1p ordinary

Sale

19,027

1.4735 GBP

1p ordinary

Sale

18,710

1.4692 GBP

1p ordinary

Sale

13,200

1.4748 GBP

1p ordinary

Sale

12,573

1.4580 GBP

1p ordinary

Sale

11,737

1.4622 GBP

1p ordinary

Sale

9,216

1.4727 GBP

1p ordinary

Sale

9,103

1.4764 GBP

1p ordinary

Sale

7,032

1.4721 GBP

1p ordinary

Sale

6,110

1.4636 GBP

1p ordinary

Sale

5,903

1.4770 GBP

1p ordinary

Sale

5,533

1.4680 GBP

1p ordinary

Sale

4,511

1.4765 GBP

1p ordinary

Sale

3,855

1.4698 GBP

1p ordinary

Sale

2,343

1.4694 GBP

1p ordinary

Sale

1,780

1.4760 GBP

1p ordinary

Sale

1,487

1.4640 GBP

1p ordinary

Sale

1,364

1.4650 GBP

1p ordinary

Sale

1,357

1.4745 GBP

1p ordinary

Sale

1,159

1.4730 GBP

1p ordinary

Sale

461

1.4780 GBP

1p ordinary

Sale

393

1.4739 GBP

1p ordinary

Sale

84

1.4570 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

18,710

1.4692 GBP

1p ordinary

SWAP

Decreasing Short

304,454

1.4716 GBP

1p ordinary

SWAP

Decreasing Short

30,778

1.4717 GBP

1p ordinary

SWAP

Decreasing Short

76,156

1.4718 GBP

1p ordinary

SWAP

Decreasing Short

7,032

1.4721 GBP

1p ordinary

SWAP

Decreasing Short

2,639

1.4727 GBP

1p ordinary

SWAP

Decreasing Short

588,827

1.4731 GBP

1p ordinary

SWAP

Decreasing Short

393

1.4739 GBP

1p ordinary

SWAP

Decreasing Short

1,357

1.4745 GBP

1p ordinary

SWAP

Decreasing Short

65,746

1.4747 GBP

1p ordinary

SWAP

Decreasing Short

86,546

1.4748 GBP

1p ordinary

SWAP

Decreasing Short

74,639

1.4750 GBP

1p ordinary

SWAP

Decreasing Short

9,103

1.4764 GBP

1p ordinary

SWAP

Decreasing Short

22,913

1.4766 GBP

1p ordinary

SWAP

Increasing Short

2,635

1.4565 GBP

1p ordinary

SWAP

Increasing Short

6,120

1.4591 GBP

1p ordinary

SWAP

Increasing Short

7,465

1.4603 GBP

1p ordinary

SWAP

Increasing Short

19,372

1.4699 GBP

1p ordinary

SWAP

Increasing Short

29,109

1.4714 GBP

1p ordinary

SWAP

Increasing Short

49,442

1.4716 GBP

1p ordinary

SWAP

Increasing Short

137,753

1.4728 GBP

1p ordinary

SWAP

Increasing Short

1,145

1.4733 GBP

1p ordinary

SWAP

Increasing Short

121,451

1.4750 GBP

1p ordinary

CFD

Decreasing Short

16,898

1.4720 GBP

1p ordinary

CFD

Increasing Short

20,997

1.4751 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:

27 Jun 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213