2300 Badger Drive Waukesha, WI 53188-5951 Phone: 877-CPS-INFO (877-277-4636) www.cooperpower.com News Release Contact: Connie Smith Cooper Power Systems 262-691-8227 Connie.Smith@cooperindustries.com Cooper Power Systems Reliable Electrical Power Infrastructure Facilitates Mining Productivity Providing a full suite of products for safer, more reliable power in both subsurface and surface mining applications. WAUKESHA, WI, September 18, 2012— Cooper Power Systems, the industry leader in power delivery, power quality, power reliability, and end-point automation, offers a full suite of products for mining applications including a complete line of Envirotran™ overhead, pad-mounted, and substation distribution transformers designed to withstand environmental hazards. Envirotran transformers are available in a variety of ratings to meet or exceed the requirements of applicable ANSI and NEMA standards. In addition, the transformers are customized to specific project requirements to yield greater efficiency and reliability, and reduce environmental impact. Key site attributes such as load profile, ambient temperature conditions, altitude, and system life are considered in optimizing transformer performance and cost for each mining application. Envirotran transformers are filled exclusively with Envirotemp™ FR3™ bio-based dielectric fluid, making this combination the environmentally-preferred transformer for medium voltage applications. Cooper Power Systems offers a full-line of electrical distribution apparatus for use in overhead applications, providing a safer, more reliable, and cost-effective solution for maintaining power where and when it’s needed. The state-of-the-art NOVA™ recloser design utilizes advanced polymer and vacuum technologies to increase reliability for distribution systems. Additionally, Cooper Power Systems designs and manufactures a full suite of power capacitors, regulators, surge arresters, underground switchgear, cable accessories, voltage regulators, cutouts, and additional products designed to increase system reliability and power quality in mining applications. -MORE- Cooper Power Systems – Page 2 “Cooper Power Systems is a leading provider of medium voltage equipment to the mining industry. Many customers have experienced the benefits that our Envirotran transformers, overhead and underground distribution switchgear, and other equipment provide for their projects,” said Mark Thurman, president, Cooper Power Systems, a division of Cooper Industries plc (NYSE: CBE). “By utilizing these innovative technologies, mine owners increase the reliability of their systems, and keep the mines producing and adding to the bottom line.” For more information on any of the great mining products offered by Cooper Power Systems visit, www.cooperpower.com. Envirotemp™ and FR3™ are licensed trademarks of Cargill, incorporated. Cooper Power Systems, Envirotran, and NOVA are valuable trademarks of Cooper Industries in the U.S. and other countries. ### Editor’s Note: For additional information, contact Mike Petrasek of Burson-Marsteller at (412) 394-6611 or michael.petrasek@bm.com. About Cooper Power Systems Cooper Power Systems, a subsidiary of Cooper Industries plc (NYSE: CBE), and a global manufacturer and provider of world-class power delivery apparatus and solutions for the utility, commercial, and industrial markets. The company maintains a complete portfolio of products and services required to transform, protect, connect, and build out an electric power system backbone. Smart apparatus – voltage regulators, capacitors, reclosers, switchgear, smart sensors, and controls – integrated with enterprise level software and secure communications enable customers to increase productivity, optimize asset efficiency, improve system reliability, and reduce costs. Reliability and grid-point solutions include: Integrated Volt/Var Control (IVVC), feeder, and substation automation systems. End-point solutions include: Advanced Metering Infrastructure (AMI) and Demand Response (DR). The company is a leading provider of engineering optimization and modeling tools. For more information, please visit www.cooperpower.com. About Cooper Industries Cooper Industries plc (NYSE: CBE) is a global electrical products manufacturer with 2011 revenues of $5.4 billion. Founded in 1833 Cooper's sustained success is attributable to a constant focus on innovation and evolving business practices, while maintaining the highest ethical standards and meeting customer needs. The Company has seven operating divisions with leading market positions and world-class products and brands, including Bussmann electrical and electronic fuses; Crouse-Hinds and CEAG explosion-proof electrical equipment; Halo and Metalux lighting fixtures; and Kyle and McGraw-Edison power systems products. With this broad range of products, Cooper is uniquely positioned for several long-term growth trends including the global infrastructure build-out, the need to improve the reliability and productivity of the electric grid, the demand for higher energy-efficient products and the need for improved electrical safety. In 2011 sixty-two percent of total sales were to customers in the industrial and utility end-markets and forty percent of total sales were to customers outside the United States. Cooper has manufacturing facilities in 23 countries as of 2011. For more information, visit the website at www.cooperindustries.com.