News Releases

PROTOX TO PRESENT AT BIO 2007

Vancouver, British Columbia, May 08, 2007 – ProtoxTM Therapeutics Inc. (TSX-V:PRX)announced today that Dr. Fahar Merchant, President and CEO of Protox, will present a corporate update at BIO 2007 to be held at the Boston Convention and Exhibition Center on Wednesday, May 8, 2007 at 4:00 p.m. EDT.

“2006 was a transformative year for Protox,” said Dr. Fahar Merchant, President and Chief Executive Officer.  “Over the course of 12 months we have made the transition from pre-clinical promise to encouraging interim clinical results with our flagship drug candidate, PRX302 in prostate cancer.  Today we have two therapeutic platforms comprising multiple indications and clinical data for over 100 patients.  These accomplishments will create enduring value for the company and set the stage for continued progress over the coming year.”

About  Protox
Protox Therapeutics is a leader in advancing novel, targeted therapeutics for treatment of cancer and other proliferative diseases. The company is actively developing two distinct but complementary platforms, INxin and PORxin, and currently has four clinical programs in development. A Phase IIa clinical trial into the use of PRX321 (INxin) for the treatment of primary brain cancer has been completed and the drug has received Fast Track Designation and Orphan Drug Status from the US FDA. In addition, a Phase I trial has been completed for PRX321 to treat patients with renal cell carcinoma and non-small cell lung cancer.  Patient enrolment is underway for two Phase I clinical trials using PRX302 (PORxin) for prostatic disease:  one to treat localized prostate cancer and the other to treat benign prostatic hyperplasia.

NO REGULATORY AUTHORITY HAS APPROVED OR DISAPPROVED THE CONTENT OF THIS RELEASE. THE TSX VENTURE EXCHANGE DOES NOT ACCEPT RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.

Certain statements included in this press release may be considered forward-looking. Such statements involve known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from those implied by such statements, and therefore these statements should not be read as guarantees of future performance or results. All forward-looking statements are based on Protox’ current beliefs as well as assumptions made by and information currently available to Protox and relate to, among other things, anticipated financial performance, business prospects, strategies, regulatory developments, market acceptance and future commitments. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release.  Due to risks and uncertainties, including the risks and uncertainties identified by Protox in its public securities filings; actual events may differ materially from current expectations. Protox disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

For further information contact:

James Beesley
Director, Investor Relations
Protox Therapeutics
604-688-0199
jbeesley@protoxtherapeutics.com

Michael Moore
Investor Relations
Equicom Group
416-815-0700 x 241
mmoore@equicomgroup.com