Barclays Regulatory News (BARC)

(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

18 August 2021

(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)

1,589,768

0.27%

579,408

0.10%

(2)

105,094

0.02%

1,279,498

0.22%

(3)

261,900

0.05%

13,500

0.00%

(4)

1,956,762

0.34%

1,872,406

0.32%

(1)

136,000

0.02%

0

0.00%

(2)

0

0.00%

0

0.00%

(3)

0

0.00%

0

0.00%

(4)

136,000

0.02%

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

1

3

12

23

30

30

40

50

60

69

90

100

126

130

180

211

226

285

286

291

294

343

400

541

805

1,305

1,465

1,500

1,560

5,000

9,008

14,295

18,704

21,895

22,290

25,853

30,834

37,918

52,327

87,791

5

15

15

15

21

25

45

50

100

100

100

105

106

187

300

300

300

300

320

330

400

530

635

700

800

900

993

1,140

1,271

1,500

1,725

2,065

2,200

2,608

2,989

3,619

3,777

5,140

6,489

8,047

8,246

12,475

15,174

17,955

21,895

26,512

29,230

41,137

51,694

62,455

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?

YES

Date of disclosure:

20 August 2021

Contact name:

Large Holdings Regulatory Operations

Telephone number*:

020 3134 7213

Full name of person making disclosure:

Barclays PLC.

Name of offeror/offeree in relation to whose relevant securities the disclosure relates:

NORTONLIFELOCK INC

500

27.0000

11,400

26.0000

50,000

25.0000

200,000

24.0000

-11,400

26.0000

-2,100

30.0000

Full details should be given so that the nature of the interest or position can be fully understood: