Auction Technology Group Regulatory News (ATG)

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:

26 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:

2,459,339

2.03%

2,577,055

2.13%

(2)

Cash-settled derivatives:

2,350,004

1.94%

1,519,745

1.25%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,809,343

3.97%

4,096,800

3.38%

(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

42,157

3.3300 GBP

0.01p ordinary

Purchase

32,546

3.3214 GBP

0.01p ordinary

Purchase

23,300

3.3248 GBP

0.01p ordinary

Purchase

20,185

3.3124 GBP

0.01p ordinary

Purchase

13,405

3.3242 GBP

0.01p ordinary

Purchase

10,276

3.3173 GBP

0.01p ordinary

Purchase

5,326

3.3350 GBP

0.01p ordinary

Purchase

4,459

3.3270 GBP

0.01p ordinary

Purchase

4,454

3.3122 GBP

0.01p ordinary

Purchase

2,867

3.3535 GBP

0.01p ordinary

Purchase

2,472

3.3434 GBP

0.01p ordinary

Purchase

232

3.3293 GBP

0.01p ordinary

Purchase

183

3.3200 GBP

0.01p ordinary

Purchase

110

3.3100 GBP

0.01p ordinary

Purchase

107

3.3524 GBP

0.01p ordinary

Purchase

1

3.3646 GBP

0.01p ordinary

Sale

80,518

3.3300 GBP

0.01p ordinary

Sale

41,671

3.3265 GBP

0.01p ordinary

Sale

24,431

3.3137 GBP

0.01p ordinary

Sale

15,199

3.3226 GBP

0.01p ordinary

Sale

13,405

3.3266 GBP

0.01p ordinary

Sale

11,468

3.3185 GBP

0.01p ordinary

Sale

8,036

3.3294 GBP

0.01p ordinary

Sale

7,832

3.3210 GBP

0.01p ordinary

Sale

7,729

3.3191 GBP

0.01p ordinary

Sale

6,029

3.3116 GBP

0.01p ordinary

Sale

5,600

3.3337 GBP

0.01p ordinary

Sale

4,698

3.3298 GBP

0.01p ordinary

Sale

3,731

3.3391 GBP

0.01p ordinary

Sale

3,038

3.3177 GBP

0.01p ordinary

Sale

2,379

3.3187 GBP

0.01p ordinary

Sale

1,724

3.3400 GBP

0.01p ordinary

Sale

1,546

3.3357 GBP

0.01p ordinary

Sale

1,204

3.3175 GBP

0.01p ordinary

Sale

1,020

3.3100 GBP

0.01p ordinary

Sale

919

3.3250 GBP

0.01p ordinary

Sale

468

3.3094 GBP

0.01p ordinary

Sale

155

3.3074 GBP

0.01p ordinary

Sale

146

3.3425 GBP

0.01p ordinary

Sale

81

3.3500 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

6,029

3.3116 GBP

0.01p ordinary

SWAP

Increasing Long

7,394

3.3140 GBP

0.01p ordinary

SWAP

Increasing Long

237

3.3150 GBP

0.01p ordinary

SWAP

Increasing Long

1,084

3.3159 GBP

0.01p ordinary

SWAP

Increasing Long

128

3.3165 GBP

0.01p ordinary

SWAP

Increasing Long

388

3.3180 GBP

0.01p ordinary

SWAP

Increasing Long

7,729

3.3191 GBP

0.01p ordinary

SWAP

Increasing Long

957

3.3202 GBP

0.01p ordinary

SWAP

Increasing Long

2,123

3.3207 GBP

0.01p ordinary

SWAP

Increasing Long

1,400

3.3216 GBP

0.01p ordinary

SWAP

Increasing Long

15,199

3.3226 GBP

0.01p ordinary

SWAP

Increasing Long

2,921

3.3245 GBP

0.01p ordinary

SWAP

Increasing Long

13,535

3.3266 GBP

0.01p ordinary

SWAP

Increasing Long

54

3.3268 GBP

0.01p ordinary

SWAP

Increasing Long

4,698

3.3298 GBP

0.01p ordinary

SWAP

Increasing Long

65,337

3.3300 GBP

0.01p ordinary

SWAP

Increasing Long

4,467

3.3301 GBP

0.01p ordinary

SWAP

Decreasing Long

4,454

3.3122 GBP

0.01p ordinary

SWAP

Decreasing Long

53,000

3.3189 GBP

0.01p ordinary

SWAP

Decreasing Long

183

3.3200 GBP

0.01p ordinary

SWAP

Decreasing Long

4,459

3.3270 GBP

0.01p ordinary

SWAP

Decreasing Long

24,139

3.3300 GBP

0.01p ordinary

SWAP

Decreasing Long

5,057

3.3301 GBP

0.01p ordinary

SWAP

Decreasing Long

2,259

3.3518 GBP

0.01p ordinary

SWAP

Decreasing Long

608

3.3600 GBP

0.01p ordinary

CFD

Decreasing Short

2,600

3.3100 GBP

0.01p ordinary

CFD

Opening Long

24,431

3.3137 GBP

0.01p ordinary

CFD

Increasing Long

11,468

3.3186 GBP

0.01p ordinary

CFD

Increasing Long

7,723

3.3275 GBP

0.01p ordinary

CFD

Increasing Long

8,036

3.3294 GBP

0.01p ordinary

CFD

Increasing Long

24,324

3.3300 GBP

0.01p ordinary

CFD

Increasing Long

5,600

3.3337 GBP

0.01p ordinary

CFD

Increasing Long

1,546

3.3357 GBP

0.01p ordinary

CFD

Increasing Long

3,731

3.3391 GBP

0.01p ordinary

CFD

Increasing Long

1,870

3.3400 GBP

0.01p ordinary

CFD

Decreasing Long

2,710

3.3100 GBP

0.01p ordinary

CFD

Decreasing Long

10,276

3.3173 GBP

0.01p ordinary

CFD

Decreasing Long

13,405

3.3242 GBP

0.01p ordinary

CFD

Decreasing Long

24,324

3.3300 GBP

0.01p ordinary

CFD

Decreasing Long

2,472

3.3434 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:

27 Jan 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213