No warrants this time. However one has to keep in mind that there are warrants that are in circulation from a previous issue. Here's an excerpt from the pr published at that time. Note the date of expiration.
"Quebec City, April 24, 2012 – TSO3 Inc. (TSX: TOS) ("TSO3" or the "Corporation") an innovator in sterilization technology for medical devices in healthcare settings, is pleased to announce the closing of a private placement on a firm underwritten basis for the purchase of 6,900,000 units (including the underwriters' option) at CAD $1.30 per unit (the "Issue Price"), for total gross proceeds of CAD $8,970,000. Each unit is composed of one common share and one-half of one common share purchase warrant of the Corporation and is subject to a hold period of four months and one day starting today. Each full warrant entitles its holder to purchase one additional common share of TSO3 at a price of $2.00 per common share until April 24, 2013."