Press Release Details

pSivida Scheme of Arrangement Implemented

Jun 19, 2008
pSivida Scheme of Arrangement Implemented

Boston, MA and Perth, Australia (19 June 2008) - pSivida Corp. (ASX: PVA, NASDAQ: PSDVV, FSE: PSI) announces that the Scheme of Arrangement between pSivida Limited and its shareholders has today been implemented.

All ordinary shares in pSivida Limited have today been transferred to pSivida Corp. and pSivida Corp. has today issued CHESS Depositary Interests (CDIs) to Scheme Participants (other than the ADS Depositary) and pSivida Corp. common stock to the ADS Depositary for distribution to the ADS holders.

Holding statements for the pSivida Corp. CDIs will be despatched to Scheme Participants by 25 June 2008. pSivida Corp. CDIs commenced trading on a deferred settlement basis on ASX on 12 June 2008 and will commence trading on a normal settlement basis on 25 June 2008. pSivida Limited will be removed from the Official List of the ASX as at the close of trading tomorrow, 20 June 2008 and will be deregistered by the Australian Securities and Investments Commission with effect from midnight tomorrow, 20 June 2008.

Released by:

pSivida Corp.
Brian Leedman
Vice President, Investor Relations
pSivida Corp.
Tel: + 61 8 9227 8327
bleedman@psivida.com

US Public Relations
Beverly Jedynak
President
Martin E. Janis & Company, Inc
Tel: +1 (312) 943 1123
bjedynak@janispr.com

European Public Relations
Eva Reuter
Accent Marketing Limited
Tel: +49 (254) 393 0740
e.reuter@dr-reuter.eu

About pSivida Corp.

pSivida is a global drug delivery company committed to the biomedical sector and the development of drug delivery products. Retisert® is FDA approved for the treatment of uveitis. Vitrasert® is FDA approved for the treatment of AIDS-related CMV Retinitis. Bausch & Lomb owns the trademarks Vitrasert® and Retisert®. pSivida has licensed the technologies underlying both of these products to Bausch & Lomb. The technology underlying Medidur™ for diabetic macular edema is licensed to Alimera Sciences and is in Phase III clinical trials. pSivida has a worldwide collaborative research and license agreement with Pfizer Inc. for other ophthalmic applications of the Medidur™ technology (excluding FA).

pSivida owns the rights to develop and commercialize a modified form of silicon (porosified or nano-structured silicon) known as BioSilicon™, which has applications in drug delivery, wound healing, orthopedics, and tissue engineering. The most advanced BioSilicon™ product, BrachySil™, delivers a therapeutic, P32 directly to solid tumors and is presently in Phase II clinical trials for the treatment of pancreatic cancer.

pSivida’s intellectual property portfolio consists of 68 patent families, 118 granted patents, including patents accepted for issuance and 275 patent applications. pSivida conducts its operations from Boston in the United States, Malvern in the United Kingdom and Perth in Australia.

SAFE HARBOR STATEMENTS UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995: Various statements made in this release are forward-looking and involve a number of risks and uncertainties. All statements that address activities, events or developments that we intend, expect or believe may occur in the future are forward-looking statements. The following are some of the factors that could cause actual results to differ materially from the forward-looking statements: the scheme of arrangement for reincorporation of the company, including whether or not it is implemented; the achievement of milestones and other contingent contractual payment events; failure to prove efficacy for BrachySil; inability to raise capital; continued losses and lack of profitability; inability to develop or obtain regulatory approval for new products; inability to protect intellectual property or infringement of others’ intellectual property; inability to obtain partners to develop and market products; termination of license agreements; competition; inability to pay any registration penalties; costs of international business operations; manufacturing problems; insufficient third-party reimbursement for products; failure to retain key personnel; product liability; inability to manage change; failure to comply with laws; failure to achieve and maintain effective internal control over financial reporting; amortization or impairment of intangibles; issues relating to Australian incorporation; potential delisting from ASX or NASDAQ; possible dilution through exercise of outstanding warrants and stock options or future stock issuances; potential restrictions from capital raises; possible influence by Pfizer; and other factors that may be described in our filings with the Securities and Exchange Commission. Given these uncertainties, readers are cautioned not to place undue reliance on such forward-looking statements. We do not undertake to publicly update or revise our forward-looking statements even if experience or future changes make it clear that any projected results expressed or implied in such statements will not be realized.