Sep 27, 2011. /Lesprom Network/. The Supervisory Board of Lenzing AG has extended the Management Board mandate of Friedrich Weninger for a further three years until the end of 2014, as the company said in a press release received by Lesprom Network. Friedrich Weninger serves as Chief Operating Officer (COO) and is accordingly responsible for the business operations of the Lenzing Group (except Engineering). Friedrich Weninger has been working for Lenzing for 22 years. As a result of this decision, the Management Board of Lenzing AG will continue to consist of Peter Untersperger (Chairman and CEO), Friedrich Weninger (COO) and Thomas G. Winkler (CFO). The Lenzing Group is an international group of companies with headquarters in Austria, production sites in all major markets and a global network of sales and marketing offices. Lenzing provides the global textile and nonwovens industry with high-quality man-made cellulose fibers based on the renewable resource wood.