The Rosen Law Firm, P.A. announces today that it has filed the first federal class action against Lone Pine Resources, Inc. (LPR) alleging that Lone Pine made false statements of material facts in its prospectus issued in connection with the Company's May 26, 2011 initial public offering. If you wish to serve as lead plaintiff, you must move the Court no later than September 4, 2012. A lead plaintiff is a representative party acting on behalf of other class members in directing the litigation.

To join the Lone Pine class action, visit the firm's website at http://rosenlegal.com, or call Phillip Kim, Esq., toll-free, at 866-767-3653; you may also email pkim@rosenlegal.com for information on the class action. The action filed by the Rosen Law Firm is pending in the U.S. District Court for the Southern District of New York.

NO CLASS HAS YET BEEN CERTIFIED IN THE ABOVE ACTION. UNTIL A CLASS IS CERTIFIED, YOU ARE NOT REPRESENTED BY COUNSEL UNLESS YOU RETAIN ONE. YOU MAY CHOOSE TO DO NOTHING AT THIS POINT AND REMAIN AN ABSENT CLASS MEMBER.

The Complaint alleges that Defendants failed to disclose in its IPO documents that the Company was facing significantly increased costs and disruption in production volumes attributed to a major oil sales pipeline rupture in late April 2011 and a large forest fire in the same area in Mid-May. When the market learned of this adverse information, the price of Lone Pine dropped damaging investors.

www.rosenlegal.com.