Diversified industrial manufacturer Eaton Corporation (NYSE: ETN) today announced that its previously announced pending acquisition of Cooper Industries plc has received clearance from Brazil’s Administrative Council for Economic Defense and the Federal Competition Commission in Mexico. The pending acquisition has already been cleared by competition authorities in the United States, Canada, South Korea and Turkey. The transaction remains subject to customary closing conditions, including, among others, certain additional regulatory clearances and approval by the shareholders of both Eaton and Cooper. Eaton is a diversified power management company with more than 100 years of experience providing energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power. With 2011 revenues of $16.0 billion, Eaton is a global technology leader in electrical components, systems and services for power quality, distribution and control; hydraulics components, systems and services for industrial and mobile equipment; aerospace fuel, hydraulics and pneumatic systems for commercial and military use; and truck and automotive drivetrain and powertrain systems for performance, fuel economy and safety. Eaton has approximately 73,000 employees and sells products to customers in more than 150 countries. For more information, visit www.eaton.com. No Offer or Solicitation This communication is not intended to and does not constitute an offer to sell or the solicitation of an offer to subscribe for or buy or an invitation to purchase or subscribe for any securities or the solicitation of any vote or approval in any jurisdiction pursuant to the acquisition or otherwise, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in contravention of applicable law. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended. Important Additional Information Has Been and Will be Filed with the SEC A registration statement on Form S-4 has been filed with the SEC, which includes the Joint Proxy Statement of Eaton Corporation (“Eaton”) and Cooper Industries plc (“Cooper”) that also constitutes a Prospectus of Eaton Corporation plc (1). The registration statement was declared effective on September 7, 2012. Eaton and Cooper have sent to their respective shareholders (and to Cooper equity award holders for information only) the definitive Joint Proxy Statement/Prospectus (including the Scheme) in connection with the transaction. Investors and shareholders are urged to read the definitive Joint Proxy Statement/Prospectus (including the Scheme) and other relevant documents filed or to be filed with the SEC carefully because they contain or will contain important information about Eaton, Cooper, Eaton Corporation plc, the transaction and related matters. Investors and security holders may obtain free copies of the definitive Joint Proxy Statement/Prospectus (including the Scheme) and other documents filed with the SEC by Eaton Corporation plc, Eaton and Cooper through the website maintained by the SEC at www.sec.gov. In addition, investors and shareholders may obtain free copies of the definitive Joint Proxy Statement/Prospectus (including the Scheme) and other documents filed by Eaton and Eaton Corporation plc with the SEC by contacting Eaton Investor Relations at Eaton Corporation, 1111 Superior Avenue, Cleveland, OH 44114 or by calling (888) 328-6647, and may obtain free copies of the definitive Joint Proxy Statement/Prospectus (including the Scheme) and other documents filed by Cooper by contacting Cooper Investor Relations at c/o Cooper US, Inc., P.O. Box 4446, Houston, Texas 77210 or by calling (713) 209-8400. (1) Currently named Eaton Corporation Limited but expected to be re-registered as Eaton Corporation plc prior to the consummation of the transaction. Statement Required by the Takeover Rules The directors of Eaton Corporation accept responsibility for the information contained in this communication. To the best of the knowledge and belief of the directors of Eaton Corporation (who have taken all reasonable care to ensure such is the case), the information contained in this communication is in accordance with the facts and does not omit anything likely to affect the import of such information.