Form 8.3 AUCTION TECHNOLOGY GROUP 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

AUCTION TECHNOLOGY GROUP 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:

20 Jan 2026

(f)

In addition to the company in 1(c) above, is the discloser making

NO

disclosures in respect of any other party to the offer?

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:

0.01p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

2,416,265

1.97%

2,330,375

1.90%

(2)

Cash-settled derivatives:

2,128,731

1.75%

1,486,603

1.22%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,544,996

3.72%

3,816,978

3.12%

(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

0.01p ordinary

Purchase

82,733

3.4250 GBP

0.01p ordinary

Purchase

30,265

3.4267 GBP

0.01p ordinary

Purchase

23,355

3.4305 GBP

0.01p ordinary

Purchase

17,548

3.5076 GBP

0.01p ordinary

Purchase

13,694

3.4981 GBP

0.01p ordinary

Purchase

12,269

3.5365 GBP

0.01p ordinary

Purchase

5,540

3.4885 GBP

0.01p ordinary

Purchase

3,878

3.5147 GBP

0.01p ordinary

Purchase

3,497

3.5001 GBP

0.01p ordinary

Purchase

3,000

3.5316 GBP

0.01p ordinary

Purchase

2,347

3.4243 GBP

0.01p ordinary

Purchase

1,260

3.5142 GBP

0.01p ordinary

Purchase

1,000

3.5350 GBP

0.01p ordinary

Purchase

634

3.5200 GBP

0.01p ordinary

Purchase

545

3.4519 GBP

0.01p ordinary

Purchase

491

3.5300 GBP

0.01p ordinary

Purchase

368

3.4800 GBP

0.01p ordinary

Purchase

324

3.4650 GBP

0.01p ordinary

Purchase

324

3.4648 GBP

0.01p ordinary

Purchase

204

3.4950 GBP

0.01p ordinary

Purchase

64

3.4600 GBP

0.01p ordinary

Sale

121,376

3.4250 GBP

0.01p ordinary

Sale

44,571

3.4561 GBP

0.01p ordinary

Sale

39,510

3.4954 GBP

0.01p ordinary

Sale

31,305

3.4953 GBP

0.01p ordinary

Sale

14,589

3.5034 GBP

0.01p ordinary

Sale

14,274

3.4911 GBP

0.01p ordinary

Sale

10,648

3.4802 GBP

0.01p ordinary

Sale

10,087

3.4909 GBP

0.01p ordinary

Sale

7,417

3.4294 GBP

0.01p ordinary

Sale

6,260

3.4876 GBP

0.01p ordinary

Sale

6,020

3.5006 GBP

0.01p ordinary

Sale

2,323

3.4995 GBP

0.01p ordinary

Sale

2,016

3.4984 GBP

0.01p ordinary

Sale

1,814

3.5072 GBP

0.01p ordinary

Sale

1,501

3.5116 GBP

0.01p ordinary

Sale

1,114

3.4650 GBP

0.01p ordinary

Sale

1,009

3.5193 GBP

0.01p ordinary

Sale

977

3.5000 GBP

0.01p ordinary

Sale

850

3.4496 GBP

0.01p ordinary

Sale

695

3.5050 GBP

0.01p ordinary

Sale

368

3.4800 GBP

0.01p ordinary

Sale

364

3.5300 GBP

0.01p ordinary

Sale

356

3.4700 GBP

0.01p ordinary

Sale

318

3.4950 GBP

0.01p ordinary

Sale

265

3.5250 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

0.01p ordinary

SWAP

Increasing Long

4,136

3.4915 GBP

0.01p ordinary

SWAP

Increasing Long

50,994

3.4250 GBP

0.01p ordinary

SWAP

Increasing Long

31,900

3.4375 GBP

0.01p ordinary

SWAP

Increasing Long

1,197

3.4619 GBP

0.01p ordinary

SWAP

Increasing Long

462

3.4650 GBP

0.01p ordinary

SWAP

Increasing Long

481

3.4667 GBP

0.01p ordinary

SWAP

Increasing Long

6,260

3.4875 GBP

0.01p ordinary

SWAP

Increasing Long

10,087

3.4909 GBP

0.01p ordinary

SWAP

Increasing Long

29,383

3.4952 GBP

0.01p ordinary

SWAP

Increasing Long

39,510

3.4954 GBP

0.01p ordinary

SWAP

Increasing Long

901

3.4963 GBP

0.01p ordinary

SWAP

Increasing Long

1,922

3.4971 GBP

0.01p ordinary

SWAP

Increasing Long

1,477

3.4980 GBP

0.01p ordinary

SWAP

Increasing Long

6,020

3.5006 GBP

0.01p ordinary

SWAP

Increasing Long

796

3.5015 GBP

0.01p ordinary

SWAP

Increasing Long

91

3.5047 GBP

0.01p ordinary

SWAP

Increasing Long

157

3.5050 GBP

0.01p ordinary

SWAP

Increasing Long

1,814

3.5072 GBP

0.01p ordinary

SWAP

Increasing Long

265

3.5250 GBP

0.01p ordinary

SWAP

Decreasing Long

17,283

3.4250 GBP

0.01p ordinary

SWAP

Decreasing Long

5,145

3.4251 GBP

0.01p ordinary

SWAP

Decreasing Long

20,000

3.4563 GBP

0.01p ordinary

SWAP

Decreasing Long

64

3.4600 GBP

0.01p ordinary

SWAP

Decreasing Long

850

3.4861 GBP

0.01p ordinary

SWAP

Decreasing Long

5,540

3.4885 GBP

0.01p ordinary

SWAP

Decreasing Long

204

3.4950 GBP

0.01p ordinary

SWAP

Decreasing Long

13,694

3.4981 GBP

0.01p ordinary

CFD

Increasing Long

4,065

3.4250 GBP

0.01p ordinary

CFD

Increasing Long

1,440

3.4715 GBP

0.01p ordinary

CFD

Increasing Long

10,648

3.4802 GBP

0.01p ordinary

CFD

Increasing Long

14,274

3.4911 GBP

0.01p ordinary

CFD

Increasing Long

582

3.5000 GBP

0.01p ordinary

CFD

Increasing Long

14,589

3.5033 GBP

0.01p ordinary

CFD

Increasing Long

52

3.5350 GBP

0.01p ordinary

CFD

Increasing Long

1,093

3.5436 GBP

0.01p ordinary

CFD

Decreasing Long

19,572

3.4250 GBP

0.01p ordinary

CFD

Decreasing Long

17,548

3.5076 GBP

0.01p ordinary

CFD

Decreasing Long

1,260

3.5142 GBP

0.01p ordinary

CFD

Decreasing Long

3,878

3.5147 GBP

0.01p ordinary

CFD

Decreasing Long

491

3.5300 GBP

0.01p ordinary

CFD

Decreasing Long

52

3.5350 GBP

0.01p ordinary

CFD

Decreasing Long

12,269

3.5365 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:

21 Jan 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213