Builders Name Cooper Lighting's Halo Brand
the Leader in Lighting for the Eleventh Consecutive Year

Halo sweeps all four lighting categories including Brand Familiarity, Brand Used in Past 2 Years, Brand Used Most, and Quality

PEACHTREE CITY, Ga., January 21, 2010 - Cooper Lighting, a division of Cooper Industries, Ltd. (NYSE: CBE), has announced that its Halo brand of recessed and track lighting has once again been named by Builder Magazine as the Brand Leader in lighting. Sweeping all four categories for the eleventh consecutive year, Halo was awarded first place in the lighting categories of Brand Familiarity, Brand Used in Past 2 Years, Brand Used Most, and Quality.

"For over 50 years Halo has adapted to the needs of our customers in the recessed and track lighting market and continues to provide best in class features and benefits such as the Halo LED Downlight, which was the first ENERGY STAR® qualified LED recessed downlight available. Customers responded again by naming Halo the industry leader in quality and usage for the 11th consecutive year," said Neil Schrimsher, President, Cooper Lighting. "Recognition by such highly regarded industry publications such as Builder, is a realization that Cooper Lighting continues its leadership in the commercial, industrial and residential lighting markets."

The Builder 2009 Brand Use Study by Readex Research, an independent research company, surveys in depth the brands builders know best, the ones they use the most, and the ones they rate the highest in quality. For additional information on Cooper Lighting or Halo, visit www.cooperlighting.com or email TalkToUs@CooperIndustries.com.

About Cooper Lighting
Cooper Lighting, a subsidiary of Cooper Industries plc (NYSE: CBE), is the leading provider of innovative, high quality interior and exterior lighting fixtures and related products to worldwide commercial, industrial, retail, institutional, residential and utility markets. As lighting technologies have advanced over the years, Cooper Lighting has been at the forefront of the industry in helping businesses and communities leverage the latest technologies to improve efficiency, reduce costs and enrich the quality of the environment. For more information, visit www.cooperlighting.com.

About Cooper Industries
Cooper Industries plc (NYSE: CBE) is a global manufacturer with 2008 revenues of $6.5 billion, approximately 88% of which are from electrical products. Founded in 1833, Cooper's sustained level of success is attributable to a constant focus on innovation, evolving business practices while maintaining the highest ethical standards, and meeting customer needs. The Company has eight operating divisions with leading market share positions and world-class products and brands. Cooper has manufacturing facilities in 23 countries as of 2008.www.cooperindustries.com.

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