Interim Dividend Update

FOR IMMEDIATE RELEASE

7 February 2022

AVAST PLC ("Avast" or the "Company")

Interim Dividend Update

On 10 August 2021, the boards of Avast and NortonLifeLock Inc. ("NortonLifeLock") announced that they had reached agreement on the terms of a recommended merger of Avast with NortonLifeLock, in the form of a recommended offer by Nitro Bidco Limited, a wholly-owned subsidiary of NortonLifeLock, for the entire issued and to be issued ordinary share capital of the Company (the "Merger"). The Merger is proposed to be effected by means of a Court-sanctioned scheme of arrangement under Part 26 of the Companies Act 2006 (the "Scheme").

On 4 February 2022, Avast and NortonLifeLock provided an update in relation to the expected timetable of the Merger, with the Merger expected to become effective on 24 February 2022.

Pursuant to the terms of the Scheme, Avast is permitted to declare and pay an interim dividend of up to 11.2 cents per Avast share for the year ending 31 December 2021, if the Merger has not become effective before 1 March 2022. Any such dividend will not result in a commensurate downward adjustment to the value of NortonLifeLock's offer.

Accordingly, the Directors believe that it is in the best interests of the Company and its shareholders to declare an interim dividend of 11.2 cents per share in respect of the year ending 31 December 2021, conditional only on the Merger not becoming effective prior to 1 March 2022 (the "Conditional Interim Dividend"). This announcement is being made now to ensure that, in the unlikely event that the Merger has not become effective on 24 February 2022, the Company is able to pay the Conditional Interim Dividend on 3 March 2022.

If the Merger becomes effective prior to 1 March 2022 (in accordance with the expected Merger timetable), then no interim dividend will be paid to Avast shareholders.

If payable, the Conditional Interim Dividend will be paid on 3 March 2022 to shareholders on the register as of 18 February 2022. There will be no option for shareholders to receive the Conditional Interim Dividend in pounds sterling.

Further information regarding the Company's ability to make future interim and final dividends is set out in the Scheme Document.

Proposed Dividend Timetable

Record Date: 18 February 2022

Ex-dividend Date: 24 February 2022 (only if the Scheme is not sanctioned at the Court Hearing to take place on 23 February 2022)

Payment: 3 March 2022

The person responsible for arranging the release of this announcement on behalf of Avast is Trudy Cooke, General Counsel and Company Secretary.

About Avast

Avast (LSE:AVST), a FTSE 100 company, is a global leader in digital security and privacy products. 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 Internet Watch Foundation. Visit: www.avast.com.

LEI Number: 213800IR8G8LCZH4BO27