Eaton Corporation (NYSE: ETN) today announced that, in connection with the previously announced proposed acquisition of Cooper Industries plc, Eaton has provided notice to the Chicago Stock Exchange of its intention to delist its shares from that exchange no sooner than the close of trading on November 30, 2012.

About Eaton

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 74,000 employees and sells products to customers in more than 150 countries.

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.

Persons interested in one percent or more of any relevant securities in Eaton or Cooper may from the date of this communication have disclosure obligations under Rule 8.3 of the Irish Takeover Panel Act, 1997, Takeover Rules 2007 (as amended).