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

25 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)

1,327,700

0.23%

761,098

0.13%

(2)

299,374

0.05%

1,510,550

0.26%

(3)

0

0.00%

0

0.00%

(4)

1,627,074

0.28%

2,271,648

0.39%

(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:

4

5

8

8

12

12

12

20

28

32

38

100

100

104

108

121

124

168

214

300

304

321

382

600

812

1,775

12,009

14,064

17,083

19,971

23,000

23,126

29,277

29,661

411,520

5

9

11

11

12

12

15

20

21

27

27

29

39

66

68

77

100

100

100

101

105

105

143

152

159

168

250

281

415

501

556

583

601

608

697

701

702

746

768

800

1,101

1,300

1,446

1,452

1,455

1,569

1,596

2,778

4,152

4,361

6,529

10,416

21,004

23,008

23,400

23,765

34,897

37,510

43,313

45,131

52,028

235,096

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:

28 FEB 2022

Contact name:

Large Holdings Regulatory Operations

Telephone number*:

020 3134 7213