) announced today that Mr. John R. Beall has been appointed interim Chief Financial Officer of the Company effective June 29, 2011. Mr. Beall's appointment follows the previously announced resignation of Robert W. Raiford as Chief Financial Officer. Mr. Beall, 48, brings more than 20 years of experience as a senior financial executive, most recently serving as Chief Financial Officer at Quantapoint, Inc. since October 2009. Prior to Quantapoint, Mr. Beall held senior financial positions in the banking and energy sectors, including Hydrocarbon Processing, Inc., J. Ray McDermott, S.A. (formerly Offshore Pipelines, Inc. (OPI)), and ConocoPhillips. He holds a Master of Business Administration (