Exhibit (a)(ii)Amendment and Termination of Adr Program • May 15th, 2012 • Citibank,N.A./ADR • Drilling oil & gas wells
Contract Type FiledMay 15th, 2012 Company IndustryDEPOSITARY: CITIBANK, N.A. COMPANY: Ensco plc, a company organized and existing under the laws of England and Wales. DEPOSITED SECURITIES: Class A Ordinary Shares of the Company (the “Shares”). ADS CUSIP NO.: 29358Q109. ADS TICKER: ESV. SHARE CUSIP NO.: G3157S 106 SHARE TICKER: ESV ADS(s) TO SHARE(s) RATIO: 1 ADS to 1 Share. DEPOSIT AGREEMENT: Deposit Agreement, dated as of September 29, 2009 and as amended as of May 14, 2012, by and among the Company, the Depositary, and all Holders and Beneficial Owners of ADSs. TERMINATION DATE: May 22, 2012. AMENDMENT DATE: May 14, 2012.