On Jan.1,2013,Theresa K.Lee,senior vice president,chief legal and administrative officer will retire after 25 years of distinguished service.Effective upon her retirement,Lee's responsibilities will be assumed by two new executives.

David A.Golden,currently vice president,associate general counsel and corporate secretary,will become senior vice president,chief legal officer,and corporate secretary,with responsibility for the company's legal,health,safety,environment and security,and government and community relations organizations.

Perry Stuckey,III,currently vice president,global human resources,will become senior vice president,chief human resources officer.