Annual Report and Accounts

Avast plc

(the "Company")

21 April 2022

Publication of 2021 Annual Report and Accounts

Annual Report and Accounts

The Company's Annual Report and Accounts for the year ended 31 December 2021 has today been published on the Company's website https://investors.avast.com/.

In accordance with Listing Rule 9.6.1.R a copy of the 2021 Annual Report and Accounts has been uploaded to the National Storage Mechanism and will be available for viewing shortly at: https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

In accordance with DTR 6.3.5(1A), the regulated information required under DTR 6.3.5 is available in unedited full text within the 2021 Annual Report and Accounts as uploaded and available on the National Storage Mechanism and on the Company's website as noted above.

Enquiries:

Anca Timpescu

Kalli Bowyer

[email protected]

Stephanie Kane, VP PR and Corporate Communications

[email protected]

Lulu Bridges / Heather Armstrong

Tavistock

Tel: 020 7920 3150

About Avast:

Avast (LSE:AVST), a FTSE 100 company, is a global leader in digital security and privacy, headquartered in Prague, Czech Republic. With over 435 million users online, Avast offers products under the Avast and AVG brands that protect people from threats on the internet and the evolving IoT threat landscape. The company's threat detection network is among the most advanced in the world, using machine learning and artificial intelligence technologies to detect and stop threats in real time. Avast digital security products for Mobile, PC or Mac are top-ranked and certified by VB100, AV-Comparatives, AV-Test, SE Labs and others. Avast is a member of Coalition Against Stalkerware, No More Ransom, and the Internet Watch Foundation. Visit: www.avast.com.

LEI Number: 213800IR8G8LCZH4BO27