MEMPHASYS LIMITED. — Regulatory Filings 2007

Aug 5, 2007

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FOR IMMEDIATE RELEASE

The Hon. Tony Abbott MHR To Officially Open NuSep’s Head Office

SYDNEY, AUSTRALIA – 6 August 2007 – NuSep Ltd (ASX: NSP) is pleased to announce that the Minister for Health and Ageing, The Hon. Tony Abbott MHR will officially open NuSep’s Head Office at Frenchs Forest on Thursday 23 August.

As part of this function an update will be given on the Sperm Sorter project by Prof John Aitken, Director, ARC Centre of Excellence in Biotechnology and Development, University of Newcastle.

To attend this function shareholders are requested to RSVP Linda Tully of NuSep by 10[th] August 2007. A copy of the official invitation is attached to this announcement.

About NuSep Limited

NuSep is an Australian BioSeparations company based in Frenchs Forest, Sydney. NuSep manufactures and markets a range of products to BioSeparations customers located worldwide through distribution and sales centres located in Australia, the USA and Europe. NuSep is listed on the Australian Stock Exchange where its shares trade under the code “NSP”.

NuSep currently operates across three product groups, each addressing BioSeparations customers, utilising patented technology and leveraging the company’s global distribution network. The three product groups are as follows:

1. Electrophoresis gels – NuSep offers two pre-cast gel ranges: iGels, innovative gels including long-life gels and gels with solid well dividers; and NuBlu, high quality gels at an every day price together with associated consumables.

2. Gradiflow[®] Instruments – NuSep has developed two unique laboratory separation devices based on Gradiflow[®] technology. The first to be released in early 2008 is a proteomics instrument that can separate a biological sample into eight fractions. The second instrument will be applied to sperm separation required for fertility treatments such as IVF. Development of this product is supported by the Australian Government’s Commercial Ready program.

3. Biological Products – NuSep supplies research grade reagents purified from human and animal plasma. The first product, human IgG was released in May 2007.

For more information about NuSep please visit the company’s website www.NuSep.com

Enquires/Additional information: NuSep Limited Prakash Patel Company Secretary (02) 8977 9000

22 Rodborough Road � Frenchs Forest NSW 2086 � Australia � 61.2.8977.9000 � 61.2.8977.9099 fax NuSep Ltd ABN: 33 120 047 556

www.nusep.com

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An Invitation to the Offi cial Opening of NuSep

Please join us to celebrate NuSep’s recent achievements and offi cial opening by

The Minister for Health and Ageing, The Hon. Tony Abbott, MHR. Thursday, 23 August 2007 from 4 - 6pm at 22 Rodborough Road, Frenchs Forest. The event will include presentations on the Sperm Sorter

RSVP

10 August 2007 (02) 8977 9000