DIMERIX LIMITED — Capital/Financing Update 2008

Oct 27, 2008

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28 October 2008

Sun Biomedical Limited Cleansing statement

Sun Biomedical Limited (ASX:SBN) ( SBN ) seeks to rely on section 708A(5) of the Corporations Act 2001 (Cth) ( the Act ) and gives notice under section 708A(5)(e) of the Act of the following details:

• (a) On 28 October 2008, SBN issued 8,000,000 fully paid ordinary shares ( Shares ) and 4,000,000 attaching options exercisable at $0.02 expiring 30 November 2010 ( Options ) under the shortfall under SBN’s prospectus dated 26 June 2008 for a total consideration of $80,000.

• (b) SBN issued the Shares and Options without disclosure to investors under Part 6D.2 of the Act;

• (c) as at the date of this notice, SBN has complied with:

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

• (ii) section 674 of the Act; and

• (d) as at the date of this notice, there is no information to be disclosed that is “excluded information” within the meaning of section 708A(7) of the Act.

Yours sincerely

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Jim Hallam Director

Sun Biomedical Investor Communications Limited Computershare T: +61 1300 850 505 | F: +61 3 9473 2500 | ABN 18 001 285 230 E: info@sunbiomed.com

ASX:SBN www.sunbiomed.com