UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

DATE OF REPORT (Date of earliest event reported): March 4, 2015

Ensco plc

(Exact name of registrant as specified in its charter)

6 Chesterfield Gardens
London, England W1J 5BQ

(Address of Principal Executive Offices and Zip Code)

Registrant’s telephone number, including area code: +44 (0) 20 7659 4660

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01                                           Regulation FD Disclosure.

Attached hereto as Exhibit 99.1 and incorporated by reference in its entirety into this Item 7.01 is a copy of the press release issued by Ensco plc (the “Company”) announcing the commencement of a tender offer (the “Tender Offer”) by the Company to purchase for cash any and all of its outstanding 3.25% Senior Notes due 2016.  The Tender Offer is subject to the terms and conditions set forth in the Offer to Purchase, dated March 4, 2015, and the related Letter of Transmittal and Notice of Guaranteed Delivery.

The information furnished in this Item 7.01 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 9.01                                           Financial Statements and Exhibits.

(d)                                 Exhibits

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.

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