NANOSONICS LIMITED — AGM Information 2021

Oct 31, 2021

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1 November 2021

Company Announcements Office Australian Securities Exchange

Change to Proposed Constitution

Nanosonics Limited ( Nanosonics ) proposes to adopt a new Constitution ( Proposed Constitution ) under Resolution 6 in the Notice of Meeting for the 2021 Annual General Meeting, to be held on 19 November 2021 ( AGM ).

As part of the Proposed Constitution, clause 16.5 would allow Nanosonics to hold meetings of shareholders using Virtual Meeting Technology only. While it was Nanosonics’ intention to provide shareholders with the option of attending meetings in person or the option of attending using virtual meeting technology and that the amendment contemplating virtual only meetings was intended to be relied upon in exceptional circumstances only (such as in a pandemic), Nanosonics has become aware of reservations expressed about listed companies having ‘virtual only’ meetings.

Given the importance of the other aspects of the Proposed Constitution, the Board has determined to remove clause 16.5 (and references thereto elsewhere in the Proposed Constitution) from the proposed amendments to the Constitution. The remainder of the Proposed Constitution is unchanged and will be put to shareholders for approval at the 2021 AGM.

A revised copy of the amended Proposed Constitution, as well as a compare version for ease of - reference, is available on the Nanosonics Investor website at https://www.nanosonics.com/investor centre/corporate-governance.

The removal of the proposed clause 16.5 will not affect the validity of proxy forms, or any proxy votes, already submitted in respect of Resolution 6 or the remaining items of business to be considered at the AGM. Shareholders can withdraw or re-lodge any proxies already lodged with the Share Registry, if they wish to do so.

McGregor Grant CFO / Company Secretary

This announcement has been authorised by the Board of Directors of Nanosonics Limited.

For more information, please contact:

Michael Kavanagh, CEO / President or McGregor Grant, CFO, on (02) 8063 1600.

Nanosonics Limited ABN 11 095 076 896 14 Mars Road, Lane Cove NSW 2066 Australia Tel: +61 2 8063 1600 Fax: +61 2 8063 1600 Email: info@nanosonics.com.au w: www.nanosonics.com.au