0001086364-10-010015 SC 13G/A 1 20101209 20101209 ATLAS ENERGY, INC. 0001279228 4922 510404430 DE 1231 SC 13G/A 34 005-80454 101242075 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 BlackRock Inc. 0001364742 6211 320174431 DE 0226 SC 13G/A 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300 55 EAST 52ND STREET NEW YORK NY 10055 BlackRock, Inc. 20060929 New BlackRock, Inc. 20060601 SC 13G/A 1 atlasenergy11302010.txt