Block Listing Six Monthly Return

Name of applicant:

Avast plc

Name of scheme:

Avast Holding B.V. 2014 Stock Option Plan

(Avast Existing Employee Share Plan)

Period of return:

From:

1 October 2021

To:

31 March 2022

Balance of unallotted securities under scheme(s) from previous return:

4,198,651

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

2,715,107

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

1,483,544

Name of scheme:

Avast Plc Share Matching Plan

Period of return:

From:

1 October 2021

To:

31 March 2022

Balance of unallotted securities under scheme(s) from previous return:

797,701

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

111,391

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

686,310

Name of scheme:

Avast Long Term Incentive Plan

Period of return:

From:

1 October 2021

To:

31 March 2022

Balance of unallotted securities under scheme(s) from previous return:

10,518,698

Plus: The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

0

Less: Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

2,281,405

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

8,237,293

Name of contact:

Trudy Cooke

Company Secretary