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:

09 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:

2,382,822

1.97%

1,950,851

1.61%

(2)

Cash-settled derivatives:

1,744,342

1.44%

1,448,354

1.20%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,127,164

3.41%

3,399,205

2.81%

(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

78,379

3.2800 GBP

0.01p ordinary

Purchase

47,857

3.2875 GBP

0.01p ordinary

Purchase

13,970

3.2985 GBP

0.01p ordinary

Purchase

13,684

3.3004 GBP

0.01p ordinary

Purchase

5,917

3.2892 GBP

0.01p ordinary

Purchase

3,539

3.3148 GBP

0.01p ordinary

Purchase

2,563

3.3178 GBP

0.01p ordinary

Purchase

1,708

3.3053 GBP

0.01p ordinary

Purchase

300

3.3233 GBP

0.01p ordinary

Purchase

110

3.3200 GBP

0.01p ordinary

Purchase

100

3.3100 GBP

0.01p ordinary

Sale

52,346

3.2800 GBP

0.01p ordinary

Sale

21,432

3.3008 GBP

0.01p ordinary

Sale

20,128

3.3188 GBP

0.01p ordinary

Sale

16,030

3.2994 GBP

0.01p ordinary

Sale

10,301

3.2986 GBP

0.01p ordinary

Sale

10,000

3.3090 GBP

0.01p ordinary

Sale

9,742

3.2922 GBP

0.01p ordinary

Sale

9,701

3.2901 GBP

0.01p ordinary

Sale

8,679

3.2882 GBP

0.01p ordinary

Sale

7,965

3.2999 GBP

0.01p ordinary

Sale

7,841

3.2921 GBP

0.01p ordinary

Sale

6,321

3.2798 GBP

0.01p ordinary

Sale

6,190

3.2931 GBP

0.01p ordinary

Sale

1,237

3.2700 GBP

0.01p ordinary

Sale

1,166

3.3016 GBP

0.01p ordinary

Sale

1,114

3.3060 GBP

0.01p ordinary

Sale

1,100

3.2712 GBP

0.01p ordinary

Sale

908

3.3281 GBP

0.01p ordinary

Sale

806

3.3210 GBP

0.01p ordinary

Sale

701

3.2960 GBP

0.01p ordinary

Sale

692

3.3200 GBP

0.01p ordinary

Sale

616

3.3175 GBP

0.01p ordinary

Sale

446

3.3050 GBP

0.01p ordinary

Sale

353

3.2650 GBP

0.01p ordinary

Sale

130

3.3241 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

1,237

3.2700 GBP

0.01p ordinary

SWAP

Increasing Long

1,100

3.2712 GBP

0.01p ordinary

SWAP

Increasing Long

6,321

3.2798 GBP

0.01p ordinary

SWAP

Increasing Long

51

3.2897 GBP

0.01p ordinary

SWAP

Increasing Long

9,701

3.2901 GBP

0.01p ordinary

SWAP

Increasing Long

122

3.2904 GBP

0.01p ordinary

SWAP

Increasing Long

9,742

3.2922 GBP

0.01p ordinary

SWAP

Increasing Long

4,888

3.2927 GBP

0.01p ordinary

SWAP

Increasing Long

1,302

3.2945 GBP

0.01p ordinary

SWAP

Increasing Long

10,301

3.2986 GBP

0.01p ordinary

SWAP

Increasing Long

16,030

3.2994 GBP

0.01p ordinary

SWAP

Increasing Long

21,432

3.3008 GBP

0.01p ordinary

SWAP

Increasing Long

12,000

3.3105 GBP

0.01p ordinary

SWAP

Increasing Long

616

3.3175 GBP

0.01p ordinary

SWAP

Increasing Long

806

3.3210 GBP

0.01p ordinary

SWAP

Decreasing Long

58,427

3.2800 GBP

0.01p ordinary

SWAP

Decreasing Long

811

3.2801 GBP

0.01p ordinary

SWAP

Decreasing Long

9,428

3.2853 GBP

0.01p ordinary

SWAP

Decreasing Long

128

3.2900 GBP

0.01p ordinary

SWAP

Decreasing Long

1,139

3.2905 GBP

0.01p ordinary

SWAP

Decreasing Long

13,842

3.2986 GBP

0.01p ordinary

SWAP

Decreasing Long

1,708

3.3054 GBP

0.01p ordinary

CFD

Increasing Long

27,675

3.2800 GBP

0.01p ordinary

CFD

Increasing Long

1,905

3.2916 GBP

0.01p ordinary

CFD

Increasing Long

7,841

3.2921 GBP

0.01p ordinary

CFD

Increasing Long

7,965

3.2999 GBP

0.01p ordinary

CFD

Increasing Long

446

3.3049 GBP

0.01p ordinary

CFD

Decreasing Long

13,388

3.2800 GBP

0.01p ordinary

CFD

Decreasing Long

14,792

3.3014 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:

12 Jan 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213