0000080255-12-000429 SC 13G/A 1 20120213 20120213 ARKHAN Corp 0001279228 4922 510404430 DE 1231 SC 13G/A 34 005-80454 12596642 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 ENERGY, INC. 20090929 ATLAS AMERICA INC 20040209 PRICE T ROWE ASSOCIATES INC /MD/ 0000080255 6200 520556948 MD 1231 SC 13G/A 100 EAST PRATT ST BALTIMORE MD 21202 (410)345-6603 P.O. BOX 89000 BALTIMORE MD 21289 SC 13G/A 1 atls13gadec11.htm ATLS AS OF 12/31/11