FORM 5 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Form 3 Holdings Reported Form 4 Transactions Reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Lowe Patrick Carey 2. Issuer Name and Ticker or Trading Symbol Ensco plc [ESV] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) 6 CHESTERFIELD GARDENS, 3RD FLOOR 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year) 12/31/2011 (Street) LONDON, X0 W1J 5BQ 4. If Amendment, Date Original Filed(Month/Day/Year) 02/14/2012 6. Individual or Joint/Group Reporting (check applicable line) _X_ Form Filed by One Reporting Person ___ Form Filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Amount (A) or (D) Price Class A Ordinary Shares (1) (2) 12/21/2010   P4 111 A $ 52.8 162,257 (3) D   Class A Ordinary Shares (1) (2) 03/22/2011   P4 103 A $ 57.49 162,257 (3) D   Class A Ordinary Shares (1) (2) 06/28/2011   P4 145 A $ 51.93 162,257 (3) D   Class A Ordinary Shares (1) (2) 09/27/2011   P4 185 A $ 45.76 162,257 (3) D   Class A Ordinary Shares (1) (2) 12/20/2011   P4 252 A $ 46.84 162,257 (3) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Lowe Patrick Carey 6 CHESTERFIELD GARDENS 3RD FLOOR LONDON, X0 W1J 5BQ	Â	Â	  Executive Vice President	Â

Signatures

/s/ Elizabeth A. Cook, by Power of Attorney		06/01/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents purchases by the reporting person pursuant to an automatic reinvestment of quarterly dividends through a brokerage account of the reporting person.
(2)	Prior to May 22, 2012, the reporting person held, and such purchases represented acquisitions of, American depositary shares ("ADS"), each representing one Class A ordinary share of the issuer. On May 22, 2012, the issuer converted each outstanding ADS into a Class A ordinary share on a one-for-one basis.
(3)	Amounts purchased were included in column 5 of previously filed reports. No adjustments have been made to column 5 with respect to the transaction for purposes of this Form 5.

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