ATO Atmos Energy Corp

Atmos Energy Corporation (NYSE: ATO) announced today that it has priced a public offering of $250 million aggregate principal amount of its 6.35% senior notes due 2017, with a yield to maturity of 6.387%. The notes are rated Baa3 by Moody�s, BBB by Standard & Poor�s and BBB+ by Fitch. Merrill Lynch & Co., SunTrust Robinson Humphrey and Wachovia Securities are serving as the joint book-running managers for the offering, with Banc of America Securities LLC, Citi, Goldman, Sachs & Co., JPMorgan, Lehman Brothers and RBS Greenwich Capital serving as senior co-managers. Junior co-managers for the offering are BNY Capital Markets, Inc., Comerica Securities, Lazard Capital Markets, Piper Jaffray, SOCIETE GENERALE and UBS Investment Bank. Atmos Energy intends to use the net proceeds of this offering of approximately $247 million plus available cash of $53 million to redeem the company�s $300 million of unsecured floating rate senior notes that have been called for redemption on July 15, 2007. The public offering of senior notes may be made only by means of a prospectus supplement and the accompanying prospectus. A copy of the preliminary prospectus supplement and the accompanying prospectus may be obtained from Merrill Lynch & Co., SunTrust Robinson Humphrey or Wachovia Securities as follows: Merrill Lynch & Co. 4 World Financial Center North Tower New York, NY 10080 1-866-500-5408 SunTrust Robinson Humphrey 303 Peachtree Street 23rd Floor Atlanta, GA 30308 1-800-685-4786 Wachovia Securities One Wachovia Center 301 South College Street Charlotte, NC 28288 1-866-289-1262 This news release does not constitute an offer to sell any securities under the offering.