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:

30 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:

2,398,818

1.98%

2,665,982

2.20%

(2)

Cash-settled derivatives:

2,431,654

2.01%

1,379,258

1.14%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,830,472

3.99%

4,045,240

3.34%

(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

307,700

3.0900 GBP

0.01p ordinary

Purchase

58,253

3.0841 GBP

0.01p ordinary

Purchase

36,199

3.0747 GBP

0.01p ordinary

Purchase

22,500

3.0721 GBP

0.01p ordinary

Purchase

21,088

3.1228 GBP

0.01p ordinary

Purchase

19,828

3.0864 GBP

0.01p ordinary

Purchase

19,132

3.0888 GBP

0.01p ordinary

Purchase

16,298

3.0790 GBP

0.01p ordinary

Purchase

14,099

3.0765 GBP

0.01p ordinary

Purchase

6,503

3.0875 GBP

0.01p ordinary

Purchase

6,195

3.0893 GBP

0.01p ordinary

Purchase

5,405

3.0901 GBP

0.01p ordinary

Purchase

5,164

3.0862 GBP

0.01p ordinary

Purchase

4,237

3.0929 GBP

0.01p ordinary

Purchase

4,147

3.1367 GBP

0.01p ordinary

Purchase

2,532

3.1302 GBP

0.01p ordinary

Purchase

1,907

3.0500 GBP

0.01p ordinary

Purchase

1,554

3.0650 GBP

0.01p ordinary

Purchase

874

3.0953 GBP

0.01p ordinary

Purchase

852

3.0825 GBP

0.01p ordinary

Purchase

800

3.0668 GBP

0.01p ordinary

Purchase

500

3.1272 GBP

0.01p ordinary

Purchase

285

3.0400 GBP

0.01p ordinary

Purchase

236

3.0761 GBP

0.01p ordinary

Purchase

38

3.0700 GBP

0.01p ordinary

Sale

32,768

3.0868 GBP

0.01p ordinary

Sale

26,474

3.0975 GBP

0.01p ordinary

Sale

25,889

3.0900 GBP

0.01p ordinary

Sale

24,478

3.1186 GBP

0.01p ordinary

Sale

24,243

3.1065 GBP

0.01p ordinary

Sale

13,672

3.0816 GBP

0.01p ordinary

Sale

11,894

3.0867 GBP

0.01p ordinary

Sale

10,000

3.0620 GBP

0.01p ordinary

Sale

7,315

3.0833 GBP

0.01p ordinary

Sale

4,000

3.1375 GBP

0.01p ordinary

Sale

3,907

3.0960 GBP

0.01p ordinary

Sale

2,466

3.0739 GBP

0.01p ordinary

Sale

2,291

3.0601 GBP

0.01p ordinary

Sale

2,043

3.0845 GBP

0.01p ordinary

Sale

1,400

3.0948 GBP

0.01p ordinary

Sale

1,075

3.0823 GBP

0.01p ordinary

Sale

1,008

3.0454 GBP

0.01p ordinary

Sale

1,000

3.1400 GBP

0.01p ordinary

Sale

492

3.0700 GBP

0.01p ordinary

Sale

443

3.0850 GBP

0.01p ordinary

Sale

324

3.0499 GBP

0.01p ordinary

Sale

295

3.0625 GBP

0.01p ordinary

Sale

59

3.0864 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

2,800

3.0487 GBP

0.01p ordinary

SWAP

Increasing Long

2,291

3.0601 GBP

0.01p ordinary

SWAP

Increasing Long

3,296

3.0603 GBP

0.01p ordinary

SWAP

Increasing Long

492

3.0700 GBP

0.01p ordinary

SWAP

Increasing Long

1,434

3.0801 GBP

0.01p ordinary

SWAP

Increasing Long

13,672

3.0816 GBP

0.01p ordinary

SWAP

Increasing Long

2,043

3.0844 GBP

0.01p ordinary

SWAP

Increasing Long

15,000

3.0870 GBP

0.01p ordinary

SWAP

Increasing Long

3,444

3.0876 GBP

0.01p ordinary

SWAP

Increasing Long

566

3.0882 GBP

0.01p ordinary

SWAP

Increasing Long

10,355

3.0897 GBP

0.01p ordinary

SWAP

Increasing Long

13,539

3.0900 GBP

0.01p ordinary

SWAP

Increasing Long

26,474

3.0975 GBP

0.01p ordinary

SWAP

Increasing Long

342

3.1020 GBP

0.01p ordinary

SWAP

Decreasing Long

1,554

3.0650 GBP

0.01p ordinary

SWAP

Decreasing Long

22,500

3.0721 GBP

0.01p ordinary

SWAP

Decreasing Long

3,100

3.0755 GBP

0.01p ordinary

SWAP

Decreasing Long

14,264

3.0761 GBP

0.01p ordinary

SWAP

Decreasing Long

14,099

3.0765 GBP

0.01p ordinary

SWAP

Decreasing Long

77

3.0814 GBP

0.01p ordinary

SWAP

Decreasing Long

2,922

3.0816 GBP

0.01p ordinary

SWAP

Decreasing Long

58,253

3.0841 GBP

0.01p ordinary

SWAP

Decreasing Long

28

3.0880 GBP

0.01p ordinary

SWAP

Decreasing Long

19,132

3.0888 GBP

0.01p ordinary

SWAP

Decreasing Long

1,726

3.0890 GBP

0.01p ordinary

SWAP

Decreasing Long

285,482

3.0900 GBP

0.01p ordinary

SWAP

Decreasing Long

11,084

3.0901 GBP

0.01p ordinary

SWAP

Decreasing Long

4,237

3.0929 GBP

0.01p ordinary

SWAP

Decreasing Long

2,034

3.0996 GBP

0.01p ordinary

CFD

Increasing Long

1,075

3.0823 GBP

0.01p ordinary

CFD

Increasing Long

59

3.0864 GBP

0.01p ordinary

CFD

Increasing Long

11,894

3.0867 GBP

0.01p ordinary

CFD

Increasing Long

24,243

3.1065 GBP

0.01p ordinary

CFD

Increasing Long

441

3.1100 GBP

0.01p ordinary

CFD

Increasing Long

24,478

3.1185 GBP

0.01p ordinary

CFD

Decreasing Long

786

3.0654 GBP

0.01p ordinary

CFD

Decreasing Long

36,199

3.0747 GBP

0.01p ordinary

CFD

Decreasing Long

236

3.0761 GBP

0.01p ordinary

CFD

Decreasing Long

13,821

3.0900 GBP

0.01p ordinary

CFD

Decreasing Long

21,088

3.1228 GBP

0.01p ordinary

CFD

Decreasing Long

4,147

3.1367 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:

02 Feb 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213