Earthstone Energy On Transfer to NYSE Amex from Nasdaq

Earthstone Energy (NYSE Amex-Listed ESTE) visited the NYSE to ring the Closing Bell in celebration of the company’s recent transfer to NYSE Amex from Nasdaq. Earthsone Energy’s stock started trading on NYSE Amex on Dec. 20th, 2011. In honor of the occasion, Ray Singleton, President, Chairman and CEO, rang The Closing BellSM.

About Earthstone Energy (NYSE Amex: ESTE)

Earthstone Energy, Inc. was incorporated in Delaware in July 1969 as Basic Earth Science Systems, Inc. and changed its name to Earthstone Energy, Inc in 2010.  Earthstone Energy, Inc. is a growth-oriented independent oil and gas exploration and production company primarily engaged in the acquisition, exploration, development and production of oil and natural gas properties. Earthstone’s operating activities are concentrated in the North Dakota and Montana portions of the Williston basin and the southern portions of Texas.  www.earthstoneenergy.com.