Form 8.3 -AVAST PLC AMENDMENT

FORM 8.3

Amendment to Purchase

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

AVAST 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:

31 May 2022

(f)

In addition to the company in 1(c) above, is the discloser making

YES:

disclosures in respect of any other party to the offer?

NORTONLIFELOCK INC

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:

10p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

38,867,162

3.73%

267,792

0.03%

(2)

Cash-settled derivatives:

158,690

0.02%

36,066,510

3.46%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

39,025,852

3.75%

36,334,302

3.49%

(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

10p ordinary

Purchase

8

142.4500 CZK

10p ordinary

Purchase

120

4.8430 GBP

10p ordinary

Purchase

134

4.8438 GBP

10p ordinary

Purchase

148

4.8437 GBP

10p ordinary

Purchase

228

4.8689 GBP

10p ordinary

Purchase

368

4.8467 GBP

10p ordinary

Purchase

484

4.8090 GBP

10p ordinary

Purchase

543

4.8439 GBP

10p ordinary

Purchase

694

4.8326 GBP

10p ordinary

Purchase

823

4.8395 GBP

10p ordinary

Purchase

2,386

4.8417 GBP

10p ordinary

Purchase

2,958

4.8063 GBP

10p ordinary

Purchase

3,085

4.8462 GBP

10p ordinary

Purchase

3,269

4.8563 GBP

10p ordinary

Purchase

3,949

4.8514 GBP

10p ordinary

Purchase

19,478

4.8567 GBP

10p ordinary

Purchase

89,171

4.8570 GBP

10p ordinary

Purchase

158,574

4.8553 GBP

10p ordinary

Sale

11

4.8446 GBP

10p ordinary

Sale

382

4.8903 GBP

10p ordinary

Sale

484

4.8090 GBP

10p ordinary

Sale

627

4.8367 GBP

10p ordinary

Sale

737

4.8910 GBP

10p ordinary

Sale

927

4.8456 GBP

10p ordinary

Sale

1,250

4.8900 GBP

10p ordinary

Sale

1,284

4.8395 GBP

10p ordinary

Sale

1,716

4.8230 GBP

10p ordinary

Sale

2,050

4.8905 GBP

10p ordinary

Sale

2,293

4.8907 GBP

10p ordinary

Sale

2,378

4.8354 GBP

10p ordinary

Sale

2,585

4.8407 GBP

10p ordinary

Sale

5,423

4.8453 GBP

10p ordinary

Sale

6,852

4.8577 GBP

10p ordinary

Sale

8,281

4.8512 GBP

10p ordinary

Sale

8,425

143.6883 CZK

10p ordinary

Sale

10,339

4.8921 GBP

10p ordinary

Sale

98,204

4.8570 GBP

10p ordinary

Sale

100,395

4.8532 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

10p ordinary

 SWAP

Long

11

4.8454 GBP

10p ordinary

 CFD

Long

46

4.8569 GBP

10p ordinary

 SWAP

Long

566

4.8456 GBP

10p ordinary

 SWAP

Long

5,423

4.8453 GBP

10p ordinary

 SWAP

Long

6,852

4.8577 GBP

10p ordinary

 CFD

Long

8,425

143.5877 CZK

10p ordinary

 SWAP

Long

16,719

4.8570 GBP

10p ordinary

 SWAP

Long

39,744

4.8441 GBP

10p ordinary

 SWAP

Long

52,574

4.8585 GBP

10p ordinary

 CFD

Long

69,000

4.8570 GBP

10p ordinary

 CFD

Short

8

142.5500 CZK

10p ordinary

 SWAP

Short

228

4.8690 GBP

10p ordinary

 SWAP

Short

1,080

4.8490 GBP

10p ordinary

 SWAP

Short

1,293

4.8152 GBP

10p ordinary

 SWAP

Short

1,368

4.8348 GBP

10p ordinary

 CFD

Short

6,712

4.8569 GBP

10p ordinary

 CFD

Short

8,343

4.8437 GBP

10p ordinary

 SWAP

Short

12,294

4.8561 GBP

10p ordinary

 SWAP

Short

18,748

4.8570 GBP

10p ordinary

 SWAP

Short

58,164

4.8545 GBP

10p ordinary

 CFD

Short

66,610

4.8570 GBP

10p ordinary

 CFD

Short

69,000

140.8315 CZK

(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)

Exercising

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 person 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:

8 Jun 2022

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213