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 Jan 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)

1,305,773

0.22%

588,495

0.10%

(2)

402,807

0.07%

1,510,550

0.26%

(3)

0

0.00%

0

0.00%

(4)

1,708,580

0.29%

2,099,045

0.36%

(1)

390,000

0.07%

0

0.00%

(2)

0

0.00%

0

0.00%

(3)

0

0.00%

0

0.00%

(4)

390,000

0.07%

0

0.00%

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

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

1

2

3

5

7

7

15

22

31

100

100

100

100

101

108

110

187

200

240

300

311

400

400

433

449

483

492

500

500

632

900

1,030

1,200

2,877

2,998

4,289

5,865

6,412

6,893

9,314

15,054

15,406

43,017

46,986

54,546

110,933

118,744

365,200

14

26

38

41

41

44

76

87

96

100

100

100

108

123

134

183

200

213

288

341

529

572

660

856

918

987

1,600

1,649

1,700

1,988

2,132

2,400

2,925

5,120

5,177

5,211

5,330

5,642

6,260

6,500

7,162

7,301

8,134

8,492

8,532

8,538

9,834

12,260

14,311

16,300

23,739

25,524

25,680

29,970

32,296

34,745

42,802

60,189

62,713

69,801

133,755

136,646

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:

26 Jan 2022

Contact name:

Large Holdings Regulatory Operations

Telephone number*:

020 3134 7213