Penn Virginia Corporation News

Hornbeck Offshore Services, Inc. announced that it has expanded the size of its Board of Directors from seven to eight members. Steven W. Krablin has been elected to fill the newly created position and will serve as a Class II director. Class II directors will be up for re-election at the Company's 2006 Annual Meeting of Stockholders. Mr. Krablin meets the independence and financial expertise requirements of the New York Stock Exchange and has been appointed to serve on the Company's Audit and Compensation Committees. From January 1996 until April 2005, Mr. Krablin served as the Senior Vice President and Chief Financial Officer of National Oilwell, Inc.