Eaton And Cooper Shareholder Meetings Scheduled For October 26, 2012

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 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 plan to mail 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 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 will be able to 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 will be able to 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 [phone], and will be able to 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 [phone].

⁽¹⁾ Currently named Eaton Corporation Limited but expected to be re-registered as Eaton Corporation plc prior to the consummation of the transaction.

Participants in the Solicitation

Cooper, Eaton and Eaton Corporation plc and their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from the respective shareholders of Cooper and Eaton in respect of the transaction contemplated by the joint proxy statement/prospectus. Information regarding the persons who may, under the rules of the SEC, be deemed participants in the solicitation of the respective shareholders of Cooper and Eaton in connection with the proposed transaction, including a description of their direct or indirect interests, by security holdings or otherwise, are set forth in the definitive joint proxy statement/prospectus filed with the SEC. Information regarding Cooper’s directors and executive officers is contained in Cooper’s Annual Report on Form 10-K for the year ended December 31, 2011 and its Proxy Statement on Schedule 14A, dated March 13, 2012, which are filed with the SEC. Information regarding Eaton’s directors and executive officers is contained in Eaton’s Annual Report on Form 10-K for the year ended December 31, 2011 and its Proxy Statement on Schedule 14A, dated March 16, 2012, which are filed with the SEC.

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