As previously announced on May 21, 2012, Eaton Corporation (NYSE: ETN) and Cooper Industries plc (NYSE: CBE) entered into a transaction agreement by which Eaton will acquire Cooper through the formation of a new holding company incorporated in Ireland that will be renamed Eaton Corporation plc. Eaton and Cooper announce that, in order to provide more clarity on specific steps to be taken in connection with the transaction, they have entered into an amendment (the “Amendment”) to the transaction agreement (as previously amended by an amendment dated June 22, 2012). The Amendment makes no changes to the amount or timing of payment of the scheme consideration, the conditions to the consummation of the transaction or any other substantive provisions of the transaction agreement. Eaton and Cooper each separately filed a Form 8-K on October 19, 2012 containing a description of the changes contained in the Amendment, and the Amendment. A copy of the Eaton Form 8-K can be found at the following link: http://www.sec.gov/Archives/edgar/data/31277/000119312512428861/0001193125-12-428861-index.htm. 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 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 and 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, Ohio 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 4466, Houston, Texas 77210 or by calling (713) 209-8400. Statement Required By The Takeover Rules The directors of Eaton accept responsibility for the information contained in this communication, other than that relating to Cooper, its associates and the directors of Cooper and members of their immediate families, related trusts and persons connected with them. To the best of the knowledge and belief of the directors of Eaton (who have taken all reasonable care to ensure such is the case), the information contained in this communication for which they accept responsibility is in accordance with the facts and does not omit anything likely to affect the import of such information.