MIDDLETON, Wis.--(BUSINESS WIRE)--Spectrum Brands Holdings, Inc. (NYSE: SPB) announced today that David R. Lumley, President and Chief Executive Officer, intends to retire from the Company by the end of 2015 as part of a planned succession process. Spectrum Brands has instituted an active succession program, including commencement of a formal search for Mr. Lumley’s replacement that will consider both internal and external candidates. Mr. Lumley, 60, will enter into a transition services employ