FORCE MAJEURE NOTICE EXTENSION May 2, 2008 The force majeure due to a power outage at Wright Substation which occurred on May 1, 2008, affecting contracted firm scheduled deliveries from MIGC on the south end of its system, is extended until Saturday, May 3, 2008 at 8am MST. Pursuant to Section 9 of the Transportation General Terms and Conditions to the FERC Gas Tariff, First Revised Volume No. 1 of MIGC, Inc., this power outage is a failure of a third party necessary to performance and is not within the control of MIGC. The outage is a force majeure event affecting MIGC's ability to deliver full contracted firm quantities to the south end of the MIGC system under executed Transportation Service Agreements. Shippers whose nominations are affected by this event will be contacted regarding the impact to individual shippers. For more information regarding this force majeure, please contact Shannon Swanson at 720-929-6036 or shannon.swanson@anadarko.com, or Jyl Baumann at 307-685-5700 or jyl.baumann@anadarko.com.