DIMERIX LIMITED — Capital/Financing Update 2010

May 16, 2010

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17 May 2010

The Manager Company Announcements Office Australian Securities Exchange 20 Bridge Street Sydney NSW 2000

Sun Biomedical Limited (ASX Code: SBN) Cleansing statement

Sun Biomedical Limited ( SBN ) gives notice of the issue of 534,916,068 fully paid ordinary shares ( Shares ) at $0.0016 per Share under its share purchase plan ( SPP ) for total consideration of approximately $855,866. The SPP was offered pursuant to an exemption from Parts 6D.2 and 6D.3 of the Act other than sections 736 and 738 of the Act) in accordance with ASIC Class Order 09/425.

SBN gives notice as follows:

1. The Shares were issued without disclosure to investors under Part 6D.2 of the Corporations Act 2001 (Cth) ( the Act ).

2. SBN is giving notice in accordance with section 708A(5)(e) of the Act,

3. As at the date of this notice, SBN has complied with:

   • (a) the provisions of Chapter 2M of the Act as they apply to SBN; and

   • (b) section 674 of the Act; and

4. As at the date of this notice, there is no information that:

   • (a) SBN has excluded from a continuous disclosure notice in accordance with the ASX Listing Rules;

• (b) investors and their professional advisers would reasonably require for the purpose of making an informed assessment of:

  • (i) the assets and liabilities, financial position and performance, profits and losses and prospects of SBN; or

  • (ii) the rights and liabilities attaching to the shares.

Yours faithfully

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Alfonso Grillo

Company Secretary

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