Nebraska Resources Company Extends Open Season on the Nebraska Pipeline Until June 25, 2007

Business Wire, June 15, 2007

TULSA, Okla. -- Nebraska Resources Company, LLC (NRC), an affiliate of Seminole Energy Services, has previously announced an "open season" for parties interested in subscribing to firm transportation capacity for the Nebraska Pipeline. The period for the open season began May 15, 2007, and was originally set to expire June 15, 2007. However, in order to accommodate several requests from interested shippers, NRC has agreed to extend the open season period until 5:00 PM (CDT), Monday, June 25, 2007.

Additional information on the Nebraska Pipeline and the Open Season is available at the Seminole Energy Services, LLC website under the Nebraska Resources Company link at www.seminoleenergy.com. Interested parties may also contact Daniel M. Frey, Vice President of Business Development at Seminole Energy Services at dfrey@SeminoleEnergy.com or 918-492-2840.

About Seminole Energy Services, LLC:

Seminole Energy Services, LLC, is primarily engaged in providing: full-service retail natural gas marketing to commercial, industrial, agricultural, government and residential choice customers; full-service purchasing from producers, including well-head distribution and risk management; and midstream services, including building and operating natural gas gathering, processing and treating facilities. The company's mission is to create long-term customer relationships based on a commitment to exceptional customer service, industry experience and commercial expertise.