NANOSONICS LIMITED — Director's Dealing 2009

Mar 22, 2009

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23[rd] March 2009

Company Announcements Office Australian Securities Exchange

Change in Director’s Interest

Nanosonics Limited (ASX:NAN) advises that a director, Dr David Fisher, has transferred shares between two entities in which he has indirect interests. There has been no change in the number of shares indirectly held by Dr Fisher.

Appended below is the Company’s Appendix 3Y, Notice of Change in Director’s Interest.

Nanosonics Limited and all its directors understand and recognise the requirements of Listing Rule 3.19.A2, together with the Company’s policy in response to Listing Rule 3.19B, which requires that they report all changes in their interests so as to enable the Company to meet its requirements under the ASX Listing Rules. This particular change occurred on Wednesday 25[th] February 2009 and Dr Fisher notified the Company of it the following day. The Company contacted ASX that day to resolve a technical detail in the change in interest and, due mainly to accidental delays in communication between ASX and the Company, the matter was not resolved until Monday 23[rd] March 2009.

Chris Grundy Company Secretary

For more information please contact Chris Grundy, Chief Financial Officer and Company Secretary, on 61-2-8063 1600.

About Nanosonics Nanosonics Limited is developing a portfolio of decontamination products designed to reduce the spread of infection. The Company owns intellectual property relating to a unique disinfection and sterilisation technology which can be suited to a variety of markets.

Initial market applications are designed for the reprocessing of reusable medical instruments. The Company’s first product is designed to disinfect Ultrasound Transducers. In parallel with the commercialisation of this product, Nanosonics is also developing other medical applications and exploring opportunities for its proprietary technology in other industries.

For more information about Nanosonics please visit www.nanosonics.com

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/9/2001.

Name of entity: Nanosonics Limited ABN: 11 095 076 896

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Dr David Fisher
Date of last notice	8thNovember 2007

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest	Indirect interest
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	(a) Brandon Capital Management Pty Limited (b) K6 Pty Limited
Date of change	25thFebruary 2008
No. of securities held prior to change	(a) by Brandon Capital Management Pty Limited: 101,235 fully paid ordinary shares. 843,191 fully paid ordinary shares subject to restricted security arrangements under which they cannot be disposed of or encumbered until 17 May 2009. (b) by K6 Pty Limited: None
Class	Fully paid quoted ordinary shares (ASX code NAN)
Number acquired	101,235
Number disposed	101,235

• See chapter 19 for defined terms.

Appendix 3Y Page 1

11/3/2002

Appendix 3Y Change of Director’s Interest Notice

Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Net $nil. The shares were transferred between two separate indirect interests.
No. of securities held after change	(a) by Brandon Capital Management Pty Limited: 843,191 fully paid ordinary shares, all of which are subject to restricted security arrangements under which they cannot be disposed of or encumbered until 17 May 2009. (b) by K6 Pty Limited: 101,235 fully paid ordinary shares.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Transfer of shares between indirect holders of the interest. No net change in the number of shares involved.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest
Name of registered holder (if issued securities)
**Date of change **
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed
Interest acquired
Interest disposed
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation
Interest after change

• See chapter 19 for defined terms.

Appendix 3Y Page 2

11/3/2002