QLT USA

QLT USA was formerly a wholly-owned US subisidiary of QLT, a biotechnology company. QLT Inc. is a global biopharmaceutical company dedicated to the discovery, development and commercialization of innovative ocular therapies. We utilize two unique technology platforms, photodynamic therapy (used with the Visudyne® product) and punctal plugs which are currently under development for future product opportunities. QLT USA's stock shares were bought by TOLMAR, a pharmaceutical research company, in October of 2009.