Graybar Appoints Mazzarella Executive Vice President and Chief Operating Officer

ST. LOUIS, December 9, 2010 – Graybar, a leading distributor of electrical, communications and data networking products and provider of related supply chain management and logistics services, today announced the appointment of Kathleen M. Mazzarella to the newly created position of Executive Vice President and Chief Operating Officer. With this updated title, she will continue in her role overseeing all of sales and marketing.

"Kathy's exceptional qualifications and strong commitment to Graybar’s mission, vision and values make her an excellent choice for this position," said Robert A. Reynolds, Jr., chairman, president and chief executive officer of Graybar. "I look forward to working with Kathy on special projects I may assign to her over the next several years."