Form 8.3 - NortonLifeLock Inc.- AMENDMENT

(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:

AVAST PLC

(e) Date position held/dealing undertaken:

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

18 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)

1,383,670

0.24%

642,799

0.11%

(2)

370,374

0.06%

1,510,550

0.26%

(3)

0

0.00%

0

0.00%

(4)

1,754,044

0.30%

2,153,349

0.37%

(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:

9

20

20

20

30

30

35

37

40

40

50

70

73

99

100

116

126

130

140

150

161

193

198

200

200

225

242

890

1,071

2,317

2,782

2,856

5,858

8,343

13,384

13,574

13,614

18,997

20,802

30,569

49,228

54,761

79,251

125,163

140,090

269,252

1

1

2

2

3

3

3

4

8

8

9

12

17

36

100

100

100

100

100

100

102

112

124

139

140

200

200

200

200

212

225

245

300

300

304

366

400

484

500

570

600

601

602

603

610

710

750

890

990

1,071

1,191

1,200

1,300

1,476

1,500

1,500

1,690

2,096

2,244

2,312

2,370

2,413

2,782

2,811

2,921

3,058

3,170

3,483

3,712

4,254

6,656

7,817

7,873

20,860

20,938

26,669

27,628

29,748

36,252

42,634

45,651

46,028

148,861

154,693

179,047

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:

22 FEB 2022

Contact name:

Large Holdings Regulatory Operations

Telephone number*:

020 3134 7213