Lehigh Cement Company has announced the retirement of Helmut S. Erhard, CEO, President and member of the Managing Board of Lehigh’s parent company, HeidelbergCement Group, effective December 31, 2007. Dr. Albert Scheuer, member of the HeidelbergCement Group Managing Board, will succeed Mr. Erhard as Lehigh’s CEO and President on January 1, 2008. Currently he serves as Executive Vice President, working with Mr. Erhard during this transition phase.