X0303 4 2011-03-25 0001301063 Alpha Natural Resources, Inc. ANR 0001305735 Roberts James F ONE ALPHA PLACE P. O. BOX 2345 ABINGDON VA 24212 1 Common Stock 2011-03-25 4 M 0 30000 7.87 A 130810 D Common Stock 2011-03-25 4 S 0 30000 60.00 D 100810 D Non-qualified Stock Options (Right to Buy) 7.87 2011-03-25 4 M 0 30000 0 D 2014-08-10 Common Stock 30000 0 D The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 14, 2011. Price reflects adjustment for 1.084 exchange ratio pursuant to the Agreement and Plan of Merger between Alpha Natural Resources, Inc. and Foundation Coal Holdings, Inc. dated May 11, 2009 (renamed Alpha Natural Resources, Inc.). The 782,189 shares of common stock originally subject to this option were set to vest on August 10, 2012. Upon the achievement of certain annual performance targets, the options were subject to partial accelerated vesting. The Compensation Committee approved the vesting of 10 percent of the options effective December 31, 2004, 30 percent effective December 31, 2005, 15 percent effective December 31, 2006, 20 percent effective December 31, 2007, 5 percent effective February 11, 2008, 15 percent effective February 20, 2009, and 5 percent effective July 31, 2009. /s/ Edythe C. Katz, Attorney-in-Fact 2011-03-28