TSO3: Conference Call and Webcast for Financial Results of Year 2005

March 3, 2006

Québec City, March 3, 2006 – TSO3 Inc. (“TSO3”) (TSX: TOS) today announced that it will report financial results for year 2005 ended December 31, 2005, on Friday, March 10, 2006. TSO3 will host a conference call and a webcast at 11:00 A.M. (ET), on March 10, 2006.

Only analyst and institutional investors are invited to participate in the conference call. Numbers to dial for access are (514) 807-8791 (Montreal area), (416) 644-3423 (Toronto area) or the toll-free number 1 866 249-2157.

Other Interested parties may listen to the live webcast of the conference call accessible via TSO3’s Website at: www.tso3.com. The webcast will be archived for 90 days.


About TSO3

TSO3 Inc. is located in Québec City, Québec, Canada, and was founded in 1998. The Company’s mission is to develop and market innovative and comprehensive sterilization solutions.

TSO3 has perfected an innovative sterilization process using ozone as the sterilizing agent. The first product based on this technological platform is the 125L Ozone Sterilizer, which is intended for hospital sterilization units. The 125L – named after its 125-litre/4.3-cubic-foot capacity – was designed to sterilize heat and moisture-sensitive surgical and diagnostic devices which are expensive and in high demand from the surgical suite. The ozone sterilization process is a safe, efficacious, fast and cost-effective response to evolving sterilization needs.

The 125L Ozone Sterilizer by TSO3 has been cleared for commercialization by Health Canada and by the U.S. Food and Drug Administration (FDA). TSO3 has sold its first sterilizer in Q4 2005.

TSO3 currently has 54 employees, 16 of whom work in the sales and marketing team.

The statements in this release and oral statements made by representatives of TSO3 relating to matters that are not historical facts (including, without limitation, those regarding the timing or outcome of any financing undertaken by TSO3) are forward-looking statements that involve certain risks, uncertainties and hypotheses, including, but not limited to, general business and economic conditions, the condition of the financial markets, the ability of TSO3 to obtain financing on favourable terms and other risks and uncertainties.

The TSX has neither approved nor disapproved the information contained herein and accepts no responsibility for it.

- 30 -


Source: TSO3 Inc.

Information:
Caroline Côté
Director, Corporate Communications
and Investor Relations
Phone: (418) 651-0003, Ext. 237
Email: ccote@tso3.com
© 2005-2008 TSO3. All Rights Reserved.