TITLE
BASE CONTRACT FOR SALE & PURCHASE OF NATURAL GAS: FACILITATE PURCHASE & SALE TRANSACTIONS OF GAS ON A FIRM OR INTERRUPTIBLE BASIS (ALSO SEE CONTRACT #30302 - CORAL ENERGY RESOURCES, LP, DATED 11/1/2007 & CONTRACT #30304 - SHELL ENERGY NORTH AMERICA (US), LP, DATED 11/1/2007)