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:

14 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:

2,155,719

1.78%

2,037,284

1.68%

(2)

Cash-settled derivatives:

1,840,104

1.52%

1,230,538

1.02%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

3,995,823

3.30%

3,267,822

2.70%

(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

48,006

3.1400 GBP

0.01p ordinary

Purchase

45,000

3.1171 GBP

0.01p ordinary

Purchase

18,387

3.1399 GBP

0.01p ordinary

Purchase

12,043

3.1650 GBP

0.01p ordinary

Purchase

9,909

3.1120 GBP

0.01p ordinary

Purchase

7,839

3.1183 GBP

0.01p ordinary

Purchase

5,000

3.0900 GBP

0.01p ordinary

Purchase

4,686

3.1173 GBP

0.01p ordinary

Purchase

4,407

3.1194 GBP

0.01p ordinary

Purchase

4,033

3.1252 GBP

0.01p ordinary

Purchase

4,000

3.1149 GBP

0.01p ordinary

Purchase

1,972

3.1356 GBP

0.01p ordinary

Purchase

767

3.1014 GBP

0.01p ordinary

Purchase

20

3.0850 GBP

0.01p ordinary

Sale

56,930

3.1334 GBP

0.01p ordinary

Sale

31,875

3.1400 GBP

0.01p ordinary

Sale

12,325

3.1068 GBP

0.01p ordinary

Sale

8,990

3.1170 GBP

0.01p ordinary

Sale

8,478

3.0921 GBP

0.01p ordinary

Sale

7,430

3.1499 GBP

0.01p ordinary

Sale

6,793

3.1226 GBP

0.01p ordinary

Sale

6,775

3.1392 GBP

0.01p ordinary

Sale

2,725

3.1130 GBP

0.01p ordinary

Sale

1,955

3.1223 GBP

0.01p ordinary

Sale

1,758

3.1200 GBP

0.01p ordinary

Sale

1,614

3.1151 GBP

0.01p ordinary

Sale

1,383

3.1070 GBP

0.01p ordinary

Sale

1,076

3.1115 GBP

0.01p ordinary

Sale

455

3.1166 GBP

0.01p ordinary

Sale

390

3.1270 GBP

0.01p ordinary

Sale

377

3.1000 GBP

0.01p ordinary

Sale

356

3.1100 GBP

0.01p ordinary

Sale

335

3.1150 GBP

0.01p ordinary

Sale

231

3.1050 GBP

0.01p ordinary

Sale

189

3.1398 GBP

0.01p ordinary

Sale

66

3.1300 GBP

0.01p ordinary

Sale

1

3.1175 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

1,134

3.1085 GBP

0.01p ordinary

SWAP

Increasing Long

1,300

3.0897 GBP

0.01p ordinary

SWAP

Increasing Long

8,478

3.0921 GBP

0.01p ordinary

SWAP

Increasing Long

12,325

3.1068 GBP

0.01p ordinary

SWAP

Increasing Long

3,654

3.1122 GBP

0.01p ordinary

SWAP

Increasing Long

2,725

3.1129 GBP

0.01p ordinary

SWAP

Increasing Long

9,067

3.1137 GBP

0.01p ordinary

SWAP

Increasing Long

968

3.1220 GBP

0.01p ordinary

SWAP

Increasing Long

614

3.1223 GBP

0.01p ordinary

SWAP

Increasing Long

151

3.1280 GBP

0.01p ordinary

SWAP

Increasing Long

371

3.1296 GBP

0.01p ordinary

SWAP

Increasing Long

189

3.1398 GBP

0.01p ordinary

SWAP

Increasing Long

26,941

3.1400 GBP

0.01p ordinary

SWAP

Increasing Long

7,430

3.1499 GBP

0.01p ordinary

SWAP

Decreasing Long

9,767

3.1014 GBP

0.01p ordinary

SWAP

Decreasing Long

45,000

3.1171 GBP

0.01p ordinary

SWAP

Decreasing Long

573

3.1180 GBP

0.01p ordinary

SWAP

Decreasing Long

7,266

3.1183 GBP

0.01p ordinary

SWAP

Decreasing Long

1,972

3.1356 GBP

0.01p ordinary

SWAP

Decreasing Long

31,996

3.1400 GBP

0.01p ordinary

SWAP

Decreasing Long

1,018

3.1401 GBP

0.01p ordinary

SWAP

Decreasing Long

8,379

3.1403 GBP

0.01p ordinary

CFD

Increasing Long

189

3.1078 GBP

0.01p ordinary

CFD

Increasing Long

1,614

3.1151 GBP

0.01p ordinary

CFD

Increasing Long

8,990

3.1170 GBP

0.01p ordinary

CFD

Increasing Long

1,434

3.1199 GBP

0.01p ordinary

CFD

Increasing Long

1,955

3.1224 GBP

0.01p ordinary

CFD

Increasing Long

390

3.1270 GBP

0.01p ordinary

CFD

Increasing Long

6,775

3.1392 GBP

0.01p ordinary

CFD

Increasing Long

15,497

3.1397 GBP

0.01p ordinary

CFD

Increasing Long

16,790

3.1400 GBP

0.01p ordinary

CFD

Increasing Long

20

3.1650 GBP

0.01p ordinary

CFD

Decreasing Long

20

3.0850 GBP

0.01p ordinary

CFD

Decreasing Long

9,909

3.1120 GBP

0.01p ordinary

CFD

Decreasing Long

4,686

3.1173 GBP

0.01p ordinary

CFD

Decreasing Long

153

3.1201 GBP

0.01p ordinary

CFD

Decreasing Long

9,855

3.1400 GBP

0.01p ordinary

CFD

Decreasing Long

12,063

3.1650 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:

15 Jan 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213