BRISTOL, Va., March 20, 2012 /PRNewswire/ -- Alpha Natural Resources, Inc.
, a leading U.S. coal producer, announced that its chairman of the board, Michael J. Quillen, has chosen not to stand for re-election at the company's 2012 annual meeting of stockholders scheduled on May 17, 2012 and will retire as chairman.
Quillen, 63, formed Alpha in 2002 and headed the company during its initial public offering in 2005 and
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