Form 8.3 - NORTONLIFELOCK INC

(a) Full name of discloser:

Barclays PLC.

(b) Owner or controller of interests and short positions disclosed, if different from 1(a):

The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.

(c) Name of offeror/offeree in relation to whose relevant securities this form relates:

Use a separate form for each offeror/offeree

NORTONLIFELOCK INC

(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:

For an opening position disclosure, state the latest practicable date prior to the disclosure

28 FEB 2022

(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer?

If it is a cash offer or possible cash offer, state “N/A”

YES : AVAST PLC

(1)

1,360,674

0.23%

734,430

0.13%

(2)

317,512

0.05%

3,730,776

0.64%

(3)

0

0.00%

0

0.00%

(4)

1,678,186

0.29%

4,465,206

0.77%

(1)

236,000

0.04%

0

0.00%

(2)

0

0.00%

0

0.00%

(3)

0

0.00%

0

0.00%

(4)

236,000

0.04%

0

0.00%

Class of relevant security in relation to which subscription right exists:

Details, including nature of the rights concerned and relevant percentages:

64

100

100

100

125

131

154

164

200

200

200

211

227

299

300

400

400

400

400

400

600

673

875

892

1,191

1,800

1,800

1,993

2,104

2,370

2,409

3,627

3,833

4,391

4,600

4,800

5,909

6,456

6,614

6,902

7,313

7,550

8,600

10,150

10,937

10,950

13,302

15,750

25,215

26,422

39,536

46,930

57,434

122,326

123,832

387,917

1

3

9

18

18

27

27

34

36

36

37

45

45

64

70

97

100

100

100

101

101

138

140

195

199

200

201

207

269

269

278

287

377

382

391

400

500

511

557

673

884

900

900

900

900

905

995

1,104

1,300

1,500

1,800

1,800

1,900

2,399

3,200

3,263

3,593

3,999

4,079

4,422

5,257

5,842

6,280

6,691

6,742

6,945

6,950

7,712

7,729

8,243

8,939

9,117

10,597

12,258

13,661

15,129

16,020

17,669

19,669

22,545

25,966

26,422

39,375

46,580

52,318

64,180

84,781

118,580

122,326

154,902

Class of relevant security

Product description

e.g. CFD

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of reference securities

Price per unit

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

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:

Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none”

None

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 or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state “none”

None

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:

1 March 2022

Contact name:

Large Holdings Regulatory Operations

Telephone number*:

020 3134 7213