Lightstream Resources Ltd. OTC Ticker Symbol Changed to LSTMF

CALGARY, ALBERTA--(Marketwired - June 27, 2013) - Lightstream Resources Ltd. (previously PetroBakken Energy Ltd.) announces that in conjunction with the corporate name change that was completed on May 22, 2013, our OTC symbol will be changed from PBKEF to LSTMF effective June 28, 2013. This change does not affect any shares held.

The new name, Lightstream Resources Ltd., represents our strategic focus on effectively developing light oil resource plays to deliver growth and a sustainable dividend for our shareholders. We are committed to maximizing recoveries at the lowest possible cost through the application of innovative ideas, while staying true to our core values and the best interests of our shareholders, stakeholders and employees.

Lightstream Resources Ltd. is an oil and gas exploration and production company combining light oil Bakken and Cardium resource plays with conventional light oil assets, delivering industry leading operating netbacks, strong cash flows and production growth. Lightstream is applying leading edge technology to a multi-year inventory of Bakken and Cardium light oil development locations. Our strategy is to deliver accretive production and reserves growth, along with an attractive dividend yield.