EAST DUBUQUE, IL, June 8, 2011 — Crescent Electric Supply Company has announced the appointment of Jerry R. Whitaker to its Board of Directors. An electrical industry veteran, Whitaker most recently served as President, Electrical Sector — Americas at Eaton Corporation, a diversified power management company and a global technology leader in electrical, hydraulic, aerospace and truck and automotive components, systems and services.

“We are very pleased to have Jerry join our board,” said Marty Burbridge, Crescent Electric Supply president and CEO. “His knowledge of the industry, ability to successfully integrate acquisitions as part of an overall growth strategy and his foresight in positioning Eaton as a green-minded energy management company will play a key role in guiding the Company’s growth strategy.”

As President, Electrical Sector — Americas, Whitaker oversaw the P&L, manufacturing, operations, sales, marketing, technology and product development for four operational groups comprised of twelve divisions, 17,900 associates and $3.8B in revenue. His group successfully integrated eight substantial acquisitions in the past five years.

Jerry resides in Pittsburgh, PA and currently serves on the boards of the Carnegie Science Center, the Allegheny Conference on Community Development, Pittsburgh Middle East Institute and the Corporate Circles Board of the Pittsburgh Cultural Trust.