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

09 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)

1,515,678

0.26%

615,924

0.11%

(2)

375,237

0.06%

1,510,550

0.26%

(3)

0

0.00%

0

0.00%

(4)

1,890,915

0.32%

2,126,474

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:

19

36

48

63

72

79

87

100

100

100

125

131

144

151

200

201

206

262

278

400

423

451

498

595

600

639

756

796

900

900

995

1,093

1,200

1,437

1,500

1,700

1,900

2,074

2,303

2,440

2,857

3,154

3,300

4,770

5,657

5,688

7,363

8,017

8,875

9,029

9,331

11,348

11,377

12,978

13,714

13,883

18,268

19,326

23,602

26,651

27,471

31,667

35,389

35,724

37,039

50,414

104,928

118,091

169,510

209,856

211,482

4

4

14

14

14

25

36

36

85

100

102

108

127

202

202

202

214

238

297

302

304

400

402

600

600

617

708

800

813

893

900

953

993

1,096

1,100

1,367

1,386

1,398

1,600

1,622

1,700

1,740

1,780

1,873

1,900

1,959

2,315

3,600

4,126

4,160

4,309

4,501

4,507

5,887

5,953

7,048

8,463

10,621

11,348

14,196

17,075

18,957

21,095

29,962

34,771

42,229

44,625

55,350

137,815

163,343

209,856

381,600

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:

10 FEB 2022

Contact name:

Large Holdings Regulatory Operations

Telephone number*:

020 3134 7213