0001140361-10-022109 4 1 20100514 20100518 20100518 Arrendell Carlton M 0001290816 4 34 001-32169 10843335 1845 WALNUT STREET, SUITE 1000 PHILADELPHIA PA 19103 ATLAS ENERGY, INC. 0001279228 4922 510404430 DE 1231 WESTPOINTE CORPORATE CENTER ONE 1550 CORAOPOLIS HEIGHTS RD. 2ND. FLOOR MOONTOWNSHIP PA 15108 412-262-2830 WESTPOINTE CORPORATE CENTER ONE 1550 CORAOPOLIS HEIGHTS RD. 2ND. FLOOR MOONTOWNSHIP PA 15108 ATLAS AMERICA INC 20040209 4 1 doc1.xml FORM 4