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:

22 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:

14,764,276

0.60%

12,258,987

0.49%

(2)

Cash-settled derivatives:

and/or controlled:

10,804,056

0.44%

13,296,211

0.54%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

25,568,332

1.03%

25,555,198

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

521,867

1.4575 GBP

1p ordinary

Purchase

433,290

1.4565 GBP

1p ordinary

Purchase

280,176

1.4600 GBP

1p ordinary

Purchase

141,563

1.4595 GBP

1p ordinary

Purchase

141,038

1.4596 GBP

1p ordinary

Purchase

110,293

1.4560 GBP

1p ordinary

Purchase

76,674

1.4559 GBP

1p ordinary

Purchase

76,010

1.4592 GBP

1p ordinary

Purchase

42,878

1.4582 GBP

1p ordinary

Purchase

40,601

1.4577 GBP

1p ordinary

Purchase

38,955

1.4564 GBP

1p ordinary

Purchase

36,835

1.4597 GBP

1p ordinary

Purchase

28,063

1.4593 GBP

1p ordinary

Purchase

23,981

1.4569 GBP

1p ordinary

Purchase

17,521

1.4635 GBP

1p ordinary

Purchase

16,374

1.4545 GBP

1p ordinary

Purchase

15,341

1.4588 GBP

1p ordinary

Purchase

14,633

1.4649 GBP

1p ordinary

Purchase

14,087

1.4574 GBP

1p ordinary

Purchase

13,568

1.4590 GBP

1p ordinary

Purchase

13,100

1.4532 GBP

1p ordinary

Purchase

10,439

1.4640 GBP

1p ordinary

Purchase

10,146

1.4584 GBP

1p ordinary

Purchase

8,864

1.4639 GBP

1p ordinary

Purchase

8,479

1.4605 GBP

1p ordinary

Purchase

8,170

1.4580 GBP

1p ordinary

Purchase

6,169

1.4594 GBP

1p ordinary

Purchase

5,318

1.4599 GBP

1p ordinary

Purchase

3,741

1.4529 GBP

1p ordinary

Purchase

3,677

1.4650 GBP

1p ordinary

Purchase

3,256

1.4570 GBP

1p ordinary

Purchase

2,722

1.4579 GBP

1p ordinary

Purchase

2,545

1.4610 GBP

1p ordinary

Purchase

1,883

1.4539 GBP

1p ordinary

Purchase

1,883

1.4540 GBP

1p ordinary

Purchase

1,855

1.4530 GBP

1p ordinary

Purchase

1,739

1.4659 GBP

1p ordinary

Purchase

1,521

1.4630 GBP

1p ordinary

Purchase

1,349

1.4585 GBP

1p ordinary

Purchase

1,171

1.4629 GBP

1p ordinary

Purchase

1,045

1.4660 GBP

1p ordinary

Purchase

988

1.4548 GBP

1p ordinary

Purchase

387

1.4620 GBP

1p ordinary

Purchase

385

1.4589 GBP

1p ordinary

Purchase

71

1.4658 GBP

1p ordinary

Sale

1,687,383

1.4600 GBP

1p ordinary

Sale

478,917

1.4564 GBP

1p ordinary

Sale

218,806

1.4560 GBP

1p ordinary

Sale

213,300

1.4562 GBP

1p ordinary

Sale

59,189

1.4574 GBP

1p ordinary

Sale

48,985

1.4584 GBP

1p ordinary

Sale

47,384

1.4561 GBP

1p ordinary

Sale

47,244

1.4592 GBP

1p ordinary

Sale

45,000

1.4437 GBP

1p ordinary

Sale

14,736

1.4588 GBP

1p ordinary

Sale

13,520

1.4640 GBP

1p ordinary

Sale

12,733

1.4580 GBP

1p ordinary

Sale

12,614

1.4551 GBP

1p ordinary

Sale

11,772

1.4578 GBP

1p ordinary

Sale

11,537

1.4575 GBP

1p ordinary

Sale

9,223

1.4598 GBP

1p ordinary

Sale

7,558

1.4570 GBP

1p ordinary

Sale

7,458

1.4569 GBP

1p ordinary

Sale

5,716

1.4590 GBP

1p ordinary

Sale

5,330

1.4544 GBP

1p ordinary

Sale

4,583

1.4540 GBP

1p ordinary

Sale

3,677

1.4650 GBP

1p ordinary

Sale

3,166

1.4573 GBP

1p ordinary

Sale

2,545

1.4610 GBP

1p ordinary

Sale

1,521

1.4630 GBP

1p ordinary

Sale

1,485

1.4599 GBP

1p ordinary

Sale

1,045

1.4660 GBP

1p ordinary

Sale

786

1.4554 GBP

1p ordinary

Sale

467

1.4565 GBP

1p ordinary

Sale

387

1.4620 GBP

1p ordinary

Sale

219

1.4612 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

45,000

1.4437 GBP

1p ordinary

SWAP

Decreasing Short

263

1.4538 GBP

1p ordinary

SWAP

Decreasing Short

12,416

1.4552 GBP

1p ordinary

SWAP

Decreasing Short

786

1.4554 GBP

1p ordinary

SWAP

Decreasing Short

4,330

1.4555 GBP

1p ordinary

SWAP

Decreasing Short

1,503

1.4558 GBP

1p ordinary

SWAP

Decreasing Short

229,958

1.4560 GBP

1p ordinary

SWAP

Decreasing Short

46,093

1.4563 GBP

1p ordinary

SWAP

Decreasing Short

7,805

1.4569 GBP

1p ordinary

SWAP

Decreasing Short

14,736

1.4588 GBP

1p ordinary

SWAP

Decreasing Short

47,244

1.4592 GBP

1p ordinary

SWAP

Decreasing Short

8,808

1.4597 GBP

1p ordinary

SWAP

Decreasing Short

9,223

1.4598 GBP

1p ordinary

SWAP

Decreasing Short

9,981

1.4608 GBP

1p ordinary

SWAP

Decreasing Short

219

1.4612 GBP

1p ordinary

SWAP

Increasing Short

2,934

1.4541 GBP

1p ordinary

SWAP

Increasing Short

988

1.4548 GBP

1p ordinary

SWAP

Increasing Short

40,601

1.4577 GBP

1p ordinary

SWAP

Increasing Short

3,850

1.4600 GBP

1p ordinary

CFD

Decreasing Short

18,371

1.4543 GBP

1p ordinary

CFD

Decreasing Short

77

1.4658 GBP

1p ordinary

CFD

Increasing Short

16,455

1.4561 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:

23 Jul 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213