Ensco Prices Upsized Public Offering of Class A Ordinary Shares

Ensco plc (NYSE:ESV) (“Ensco”) announced today that it has priced an upsized underwritten public offering of 57,000,000 Class A ordinary shares at $9.25 per share. The 57,000,000 share offering was upsized from the originally proposed 50,000,000 Class A ordinary share offering. Ensco also granted the underwriters a 30-day option to purchase up to 8,550,000 additional Class A ordinary shares. The offering is expected to close on 20 April 2016, subject to customary closing conditions. Ensco expects to use the net proceeds from the offering for general corporate purposes.

Goldman, Sachs & Co., Morgan Stanley & Co. LLC, BofA Merrill Lynch, Citigroup Global Markets Inc., Deutsche Bank Securities Inc., DNB Markets, Inc., HSBC Securities (USA) Inc. and Wells Fargo Securities, LLC are acting as book-running managers for the offering. The offering is being made under an effective shelf registration statement on Form S-3 (Registration No. 333-201532) filed by Ensco with the Securities and Exchange Commission (“SEC”) and only by means of a prospectus supplement and accompanying prospectus. When available, copies of the prospectus supplement and the accompanying base prospectus related to the offering may be obtained for free by visiting EDGAR on the SEC website, www.sec.gov, or by contacting Goldman, Sachs & Co., Attention: Prospectus Department, 200 West Street, New York, New York 10282, or by telephone at [phone], facsimile at [phone], or email: [e-mail]; and Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, New York 10014.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of, or any solicitation of an offer to buy, these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

Ensco plc (NYSE: ESV) is a global provider of offshore drilling services to the petroleum industry. Ensco plc is an English limited company (England No. 7023598) with its registered office and corporate headquarters located at 6 Chesterfield Gardens, 3rd Floor, London, United Kingdom W1J 5BQ.

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Ensco plcInvestor & Media Contacts:Sean O’Neill, 713-430-4607Vice President - Investor Relations and CommunicationsorNick Georgas, 713-430-4490Senior Manager - Investor Relations