Ensco plc (NYSE:ESV) reported that its fourth quarter and full-year 2011 earnings conference call will be held at 10:00 a.m. CST (11:00 a.m. EST and 4:00 p.m. London) on Thursday, 23 February 2012. The earnings release will be issued before the New York Stock Exchange opens that morning. The conference call will be webcast live at www.enscoplc.com. Interested parties also may listen to the call by dialing 1-866-524-3160 or, if calling internationally, 1-412-317-6760 and asking for the Ensco conference call. It is recommended that participants call 15 minutes before the scheduled start time. A replay of the conference call will be available by phone through 2 March 2012 by dialing 1-877-344-7529 or, if calling internationally, 1-412-317-0088 (conference ID 10009420). A webcast replay, MP3 download and transcript of the call will be available at www.enscoplc.com.

Ensco is scheduled to present at the Credit Suisse Energy Summit on 7 February 2012 at 12:20 p.m. MST (10:20 a.m. EST).

The presentation at the Credit Suisse conference will be available live over the internet at www.enscoplc.com by selecting Investors/Presentations and Webcasts. Please go to the website at least 15 minutes before the presentation to register, download and install any necessary audio software.

Ensco uses its website to disclose material and non-material information to investors, customers, employees and others interested in Ensco. To receive regular updates on Ensco news or SEC filings, please Sign-up for E-mail Alerts on the website.

Ensco plc (NYSE: ESV) brings energy to the world as a global provider of offshore drilling services to the petroleum industry. We are ranked #1 for overall customer satisfaction in the leading independent survey conducted by EnergyPoint Research with #1 ratings in 14 of 16 separate categories. Ensco has served customers for 25 years and operates the world's second largest offshore drilling fleet comprised of dynamically-positioned drillships and semisubmersibles, moored semisubmersibles and premium jackups. To learn more about Ensco, please visit our website at www.enscoplc.com. Ensco plc is an English limited company (England No. 7023598) with its registered office and corporate headquarters located at 6 Chesterfield Gardens, London W1J 5BQ.

Ensco plc
Sean O?Neill, 713-430-4607
Vice President
Investor Relations and Communications
or
Nick Robert, 713-430-4490
Manager - Investor Relations