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29 March 2005 ASX / MEDIA ANNOUNCEMENT

Peptech Appoints UBS as Broker for Share Buy-Back

Peptech Limited (ASX: PTD) today announced that it had appointed UBS Securities Australia Limited as broker to carry out the company’s share buy-back. On 15 March 2005 Peptech announced that it would, through on market transactions, buy-back up to 5 per cent (8.1 million shares) of its ordinary share capital from 30 March 2005 for a maximum period of 12 months.

Peptech Executive Chairman Mr Mel Bridges said the company was delighted that UBS would support Peptech in this important capital management exercise. “Their expertise in this area will assist Peptech in meeting its corporate objectives,” he added. Background:

Peptech Limited focuses on the research and development of peptides and proteins in the areas of human pharmaceuticals and animal health. The company is positioned to become a globally recognised leader in biopharmaceutical development.