AMENDMENT AGREEMENTAmendment Agreement • July 31st, 2006 • pSivida LTD • Laboratory analytical instruments • New York
Contract Type FiledJuly 31st, 2006 Company Industry JurisdictionAMENDMENT AGREEMENT (the "Agreement"), dated as of July 28, 2006, by and among pSivida Limited, an Australian corporation, with headquarters located at Level 12, BGC Centre, 28 The Esplanade, Perth, WA 6000 Australia (the "Company"), and Castlerigg Master Investments Ltd. (the "Investor").