Area Drilling

July 17, 2006

Indiana

Rex Energy Operating Corp., State College, Pa., said it identified more than 80 drilling locations, 60 recompletions, and several waterflood optimization opportunities on Illinois basin properties it has acquired from Team Energy LLC, Bridgeport, Ill.

Rex Energy paid $22.9 million for the properties in Gibson and Posey counties, Ind., and Lawrence County, Ill. The acquisition includes 2.9 million bbl of proved reserves and 1.1 million bbl of probable reserves.

Rex Energy said its Illinois basin assets now produce more than 3,000 b/d and include more than 200,000 gross acres.