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:

28 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:

2,113,387

1.75%

2,662,848

2.20%

(2)

Cash-settled derivatives:

2,428,853

2.01%

1,093,398

0.90%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,542,240

3.75%

3,756,246

3.10%

(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

80,058

3.1004 GBP

0.01p ordinary

Purchase

59,953

3.1192 GBP

0.01p ordinary

Purchase

48,185

3.0415 GBP

0.01p ordinary

Purchase

36,317

3.0700 GBP

0.01p ordinary

Purchase

20,800

3.0777 GBP

0.01p ordinary

Purchase

17,070

3.0591 GBP

0.01p ordinary

Purchase

17,000

3.0341 GBP

0.01p ordinary

Purchase

14,154

3.1295 GBP

0.01p ordinary

Purchase

10,000

3.0300 GBP

0.01p ordinary

Purchase

9,381

3.0521 GBP

0.01p ordinary

Purchase

6,810

3.0221 GBP

0.01p ordinary

Purchase

6,606

3.0836 GBP

0.01p ordinary

Purchase

6,133

3.0900 GBP

0.01p ordinary

Purchase

5,028

3.0850 GBP

0.01p ordinary

Purchase

4,845

3.0571 GBP

0.01p ordinary

Purchase

2,991

3.1100 GBP

0.01p ordinary

Purchase

2,622

3.0988 GBP

0.01p ordinary

Purchase

2,387

3.1750 GBP

0.01p ordinary

Purchase

1,595

3.0040 GBP

0.01p ordinary

Purchase

1,557

3.0223 GBP

0.01p ordinary

Purchase

1,428

3.0100 GBP

0.01p ordinary

Purchase

1,207

3.1116 GBP

0.01p ordinary

Purchase

1,066

2.9924 GBP

0.01p ordinary

Purchase

465

3.0699 GBP

0.01p ordinary

Purchase

95

3.1150 GBP

0.01p ordinary

Purchase

57

3.1000 GBP

0.01p ordinary

Purchase

48

3.0150 GBP

0.01p ordinary

Purchase

44

3.0950 GBP

0.01p ordinary

Purchase

36

3.1050 GBP

0.01p ordinary

Purchase

36

3.1250 GBP

0.01p ordinary

Purchase

27

3.0800 GBP

0.01p ordinary

Purchase

27

3.0200 GBP

0.01p ordinary

Purchase

15

3.0411 GBP

0.01p ordinary

Purchase

14

3.0750 GBP

0.01p ordinary

Purchase

10

3.0250 GBP

0.01p ordinary

Sale

99,099

3.0705 GBP

0.01p ordinary

Sale

44,626

3.0419 GBP

0.01p ordinary

Sale

43,139

3.0700 GBP

0.01p ordinary

Sale

33,193

3.0885 GBP

0.01p ordinary

Sale

31,931

3.0534 GBP

0.01p ordinary

Sale

21,180

3.0596 GBP

0.01p ordinary

Sale

17,574

3.0771 GBP

0.01p ordinary

Sale

13,771

3.0706 GBP

0.01p ordinary

Sale

12,582

3.0983 GBP

0.01p ordinary

Sale

11,809

3.0858 GBP

0.01p ordinary

Sale

11,250

3.0136 GBP

0.01p ordinary

Sale

10,600

3.0458 GBP

0.01p ordinary

Sale

9,000

3.0816 GBP

0.01p ordinary

Sale

6,764

3.0815 GBP

0.01p ordinary

Sale

5,028

3.0850 GBP

0.01p ordinary

Sale

4,050

3.0913 GBP

0.01p ordinary

Sale

4,044

3.0950 GBP

0.01p ordinary

Sale

2,387

3.1750 GBP

0.01p ordinary

Sale

1,803

3.0732 GBP

0.01p ordinary

Sale

1,663

3.0807 GBP

0.01p ordinary

Sale

1,429

3.0782 GBP

0.01p ordinary

Sale

1,428

3.0100 GBP

0.01p ordinary

Sale

1,313

3.0128 GBP

0.01p ordinary

Sale

1,265

3.0769 GBP

0.01p ordinary

Sale

970

3.0953 GBP

0.01p ordinary

Sale

815

3.0908 GBP

0.01p ordinary

Sale

674

3.1050 GBP

0.01p ordinary

Sale

587

3.0859 GBP

0.01p ordinary

Sale

358

3.0499 GBP

0.01p ordinary

Sale

342

3.0825 GBP

0.01p ordinary

Sale

198

3.0900 GBP

0.01p ordinary

Sale

72

3.1150 GBP

0.01p ordinary

Sale

57

3.1000 GBP

0.01p ordinary

Sale

48

3.0150 GBP

0.01p ordinary

Sale

42

3.0253 GBP

0.01p ordinary

Sale

36

3.1250 GBP

0.01p ordinary

Sale

27

3.0800 GBP

0.01p ordinary

Sale

27

3.0200 GBP

0.01p ordinary

Sale

15

3.0414 GBP

0.01p ordinary

Sale

14

3.0750 GBP

0.01p ordinary

Sale

10

3.0250 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

11,250

3.0136 GBP

0.01p ordinary

SWAP

Increasing Long

43,700

3.0410 GBP

0.01p ordinary

SWAP

Increasing Long

129

3.0455 GBP

0.01p ordinary

SWAP

Increasing Long

358

3.0499 GBP

0.01p ordinary

SWAP

Increasing Long

31,931

3.0534 GBP

0.01p ordinary

SWAP

Increasing Long

346

3.0554 GBP

0.01p ordinary

SWAP

Increasing Long

21,180

3.0596 GBP

0.01p ordinary

SWAP

Increasing Long

1,599

3.0672 GBP

0.01p ordinary

SWAP

Increasing Long

10,132

3.0699 GBP

0.01p ordinary

SWAP

Increasing Long

11,733

3.0700 GBP

0.01p ordinary

SWAP

Increasing Long

1,803

3.0732 GBP

0.01p ordinary

SWAP

Increasing Long

40,319

3.0744 GBP

0.01p ordinary

SWAP

Increasing Long

1,970

3.0755 GBP

0.01p ordinary

SWAP

Increasing Long

1,771

3.0790 GBP

0.01p ordinary

SWAP

Increasing Long

1,418

3.0817 GBP

0.01p ordinary

SWAP

Increasing Long

1,329

3.0831 GBP

0.01p ordinary

SWAP

Increasing Long

136

3.0848 GBP

0.01p ordinary

SWAP

Increasing Long

2,700

3.0851 GBP

0.01p ordinary

SWAP

Increasing Long

13,000

3.0854 GBP

0.01p ordinary

SWAP

Increasing Long

901

3.0861 GBP

0.01p ordinary

SWAP

Increasing Long

283

3.1036 GBP

0.01p ordinary

SWAP

Decreasing Long

68,500

3.0246 GBP

0.01p ordinary

SWAP

Decreasing Long

3,148

3.0351 GBP

0.01p ordinary

SWAP

Decreasing Long

9,381

3.0521 GBP

0.01p ordinary

SWAP

Decreasing Long

5,660

3.0701 GBP

0.01p ordinary

SWAP

Decreasing Long

49

3.0781 GBP

0.01p ordinary

SWAP

Decreasing Long

1,697

3.0978 GBP

0.01p ordinary

SWAP

Decreasing Long

2,715

3.1107 GBP

0.01p ordinary

SWAP

Decreasing Long

59,953

3.1192 GBP

0.01p ordinary

SWAP

Decreasing Long

11,767

3.1202 GBP

0.01p ordinary

CFD

Increasing Long

1,313

3.0128 GBP

0.01p ordinary

CFD

Increasing Long

10,600

3.0458 GBP

0.01p ordinary

CFD

Increasing Long

4,702

3.0460 GBP

0.01p ordinary

CFD

Increasing Long

996

3.0699 GBP

0.01p ordinary

CFD

Increasing Long

40,402

3.0700 GBP

0.01p ordinary

CFD

Increasing Long

17,574

3.0771 GBP

0.01p ordinary

CFD

Increasing Long

11,809

3.0858 GBP

0.01p ordinary

CFD

Increasing Long

33,193

3.0885 GBP

0.01p ordinary

CFD

Increasing Long

19,225

3.1150 GBP

0.01p ordinary

CFD

Decreasing Long

17,070

3.0591 GBP

0.01p ordinary

CFD

Decreasing Long

465

3.0699 GBP

0.01p ordinary

CFD

Decreasing Long

15,342

3.0700 GBP

0.01p ordinary

CFD

Decreasing Long

6,606

3.0835 GBP

0.01p ordinary

CFD

Decreasing Long

19,225

3.1150 GBP

0.01p ordinary

CFD

Decreasing Long

23

3.1152 GBP

0.01p ordinary

CFD

Decreasing Long

2,387

3.1750 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:

29 Jan 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213