ATO Atmos Energy Corp

Robert W. Best, chairman, president and chief executive officer of Atmos Energy Corporation (NYSE: ATO), will speak at the Citigroup Second Annual Power, Gas and Utilities Conference on Thursday, June 7, 2007, at 2:15 p.m. EDT. Best, along with other gas utility executives, will participate in a panel discussion entitled �M&A continues but at what price? Are there enough synergies at today�s asset prices?� This panel discussion will be web cast live on Atmos Energy�s Web site at www.atmosenergy.com and will be archived for a period of 30 days. Atmos Energy Corporation, headquartered in Dallas, is the country�s largest natural gas-only distributor, serving about 3.2 million gas utility customers. Atmos Energy�s utility operations serve more than 1,500 communities in 12 states from the Blue Ridge Mountains in the East to the Rocky Mountains in the West. Atmos Energy�s nonutility operations, organized under Atmos Energy Holdings, Inc., operate in 22 states. They provide natural gas marketing and procurement services to industrial, commercial and municipal customers and manage company-owned natural gas storage and pipeline assets, including one of the largest intrastate natural gas pipelines in Texas. Atmos Energy is a Fortune 500 company. For more information, visit www.atmosenergy.com.