| | 2009 |
| Company Update 22 December 2009 |
 | SPP Offer of new shares - terms and sample application form 15 December 2009 |
 | 21.8 million new shares placed 11 December 2009 |
 | Becoming a substantial holder 10 December 2009 |
 | A$ 12 Million underwritten placement completed 8 December 2009 |
 | Investor Presentation Share Placement 7 December 2009 |
 | $12million underwritten placement plus share purchase plan 7 December 2009 |
 | Options exercised, shares issued 3 December 2009 |
 | Results of 2009 AGM 5 November 2009 |
 | 2009 AGM presentation 4 November 2009 |
 | Business Update and Appendix 4C Cash Flow statement 30 October 2009 |
 | Directors call options exercised as per details in App3Y 28 October 2009 |
 | Investor Presentation to Wilson HTM 13 October 2009 |
 | Notice of Annual General Meeting 30 September 2009 |
 | Response to price query 22 September 2009 |
 | Options exercised - Shares issued 11 September 2009 |
 | Investor Presentation 24 August 2009 |
 | 2009 Results and 4E Statement 21 August 2009 |
 | Change in Director's interest - exercise of Founder Options 3 August 2009 |
 | 4C Statement for the quarter and year ended 30 June 2009 31 June 2009 |
 | FDA and Regulatory update 10 July 2009 |
 | New Securities issued, Options granted 30 June 2009 |
 | Change of Interests of Substantial Holder 19 June 2009 |
 | Options exercised, New Securities issued, Options lapsed 3 June 2009 |
 | European Launch of Trophon EPR 3 June 2009 |
 | Securities released from escrow, New securities issued 19 May 2009 |
 | Investor Presentation May 2009 13 May 2009 |
 | Nanosonics instructs agent to submit 510(k) application to the US FDA Trophon tender successes 13 May 2009 |
 | New Securities issued, Options exercised, Options lapsed 30 April 2009 |
 | Appendix 4C Consolidated Statement of Cash Flows 30 April 2009 |
 | Securities due for Release from Escrow 28 April 2009 |
 | First Sales of Trophon EPR 30 March 2009 |
 | New Securities issued, Options exercised 23 March 2009 |
 | Change in Director's Interest 23 March 2009 |
 | Change in Director's Interest 25 February 2009 |
 | Nanosonics Interim Report December 2008 16 February 2009 |
 | Appendix 4D Interim Report 16 February 2009 |
 | Changes in Directors 6 February 2009-02-06 |
 | TGA Approves Trophon™ EPR for Commercial Launch in Australia & Overseas 3 February 2009 |
 | 4C Statement of Cash Flows 30 January 2009 |
| |
2008 |
 | Key Commercial Milestones Achieved 12 December 2008 |
 | Change in Director's Interest 19 November 2008 |
 | Results of 2008 AGM 19 November 2008 |
 | Chairman's and CEO's presentations to 2008 AGM 18 November 2008 |
 | Notice of Annual General Meeting 17 October 2008 |
 | CEO Presentation to Wilsons HTM Conference 16 October 2008 |
 | Appointment of Distributor Partners and Consolidated Statement of Cash Flows 16 October 2008 |
 | Health Canada – Approval to Market 9 September 2008 |
 | Confirmation of Expiry Date of Options 22 August 2008 |
 | 2008 Annual Report and 4E Statement 20 August 2008 |
 | Change in Director's Interest 18 August 2008 |
 | Quarterly Update and Consolidated Statement of Cash Flows 30 July 2008 |
 | Appointment of Dr Ron Weinberger as a Director 4 July 2008 |
 | Australian TGA Lodgement 25 June 2008 |
 | Appointment of CEO 4 June 2008 |
 | CE Mark approval awarded for Nanosonics Ultrasound Disinfector 29 April 2008 |
 | Consolidated Statement of Cash Flows (Appendix 4C) for the quarter ended March 2008 24 April 2008 |
 | Half-Yearly Report and Appendix 4D 28 February 2008
|
 | Company update and consolidated statement of cash flows 31 January 2008 |
 | Release of Securities from Escrow and Application for Quotation of Securities 25 January 2008 |
| |
2007 |
 | Director's Final Interest Notice, Options issued, Options lapsed 20 December 2007 |
 | Management Changes 14 December 2007 |
 | AGM Presentation 26 November 2007 |
 | Results of AGM 26 November 2007 |
 | Investor Presentation – Achieving Milestones 7 November 2007 |
 | European CE Mark Technical File Submission 13 November 2007 |
 | Options Exercised, Change in Director’s Interest 8 October 2007 |
 | Company Update and Statement of Cash Flows 30 October 2007 |
 | Combined Letter and Notice of AGM 26 October 2007 |
 | Tapping into International Markets – Presentation prepared for Wilsons Life Sciences Conference 17 October 2007 |
 | Nanosonics receives additional AusIndustry Grant funding for its Ultrasound Probe Disinfector 19 September 2007 |
 | 2007 Annual Report 22 August 2007 |
 | Final Report 4E Statement 22 August 2007 |
 | Operations in Europe and Other Announcements 13 August 2007 |
 | Quarterly Report – Consolidated Statement of Cash Flows 30 July 2007 |
 | Issue of Shares Under 3M Agreement 17 May 2007 |
 | Nanosonics Offer Closes Oversubscribed and Lists on ASX 17 May 2007 |
 | Supplementary Prospectus 27 April 2007 |
 | Nanosonics Prospectus 2 April 2007 |