FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

KALMAN FRANCIS S	2. Issuer Name and Ticker or Trading Symbol

Ensco plc [ ESV ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)	
(Last)          (First)          (Middle)

6 CHESTERFIELD GARDENS, 3RD FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY)

6/1/2018		
(Street)

LONDON, X0 W1J 5BQ
(City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

 	6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned	
1.Title of Security
(Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code
(Instr. 8)	4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)	
			Code	V	Amount	(A) or (D)	Price				
Class A Ordinary Shares  	6/1/2018  	 	M	  	3562  	A	  (1)	46846  	D  	 	
Class A Ordinary Shares  	6/1/2018  	 	M	  	6909  	A	  (2)	53755  	D  	 	
Class A Ordinary Shares  	6/1/2018  	 	M	  	10549  	A	  (3)	64304  	D  	 	
Class A Ordinary Shares  	6/1/2018  	 	F	  	2166   (4)	D	$6.58  	62138  	D  	 	
Class A Ordinary Shares  	 	 	 	  	 	 	 	115  	I  	Foundation  	

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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	7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)	8. Price of Derivative Security
(Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)	
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares					
Restricted Share Units  	  (5)	6/1/2018  	 	A  	  	30396   	  	  (6)	  (6)	Class A Ordinary Shares  	30396.0  	$0  	30396  	D  	 	
Restricted Share Units  	  (1)	6/1/2018  	 	M  	  	  	3562   	  (7)	  (7)	Class A Ordinary Shares  	3562.0  	$0  	0  	D  	 	
Restricted Share Units  	  (2)	6/1/2018  	 	M  	  	  	6909   	  (8)	  (8)	Class A Ordinary Shares  	6909.0  	$0  	6909  	D  	 	
Restricted Share Units  	  (3)	6/1/2018  	 	M  	  	  	10549   	  (9)	  (9)	Class A Ordinary Shares  	10549.0  	$0  	21098  	D  	 	

Explanation of Responses:	
(1) 	The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $319.50 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 367 shares were withheld and not issued to satisfy certain tax withholding obligations.	
(2) 	The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $619.70 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 712 shares were withheld and not issued to satisfy certain tax withholding obligations.	
(3) 	The restricted share units convert into Class A ordinary shares on a one-for-one basis upon vesting, and the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued in accordance with U.K. corporate law. In connection with the transaction reported above, the reporting person paid $946.20 to Ensco plc with respect to the shares actually issued upon vesting of the restricted share units. The remaining 1,087 shares were withheld and not issued to satisfy certain tax withholding obligations.	
(4) 	These shares were withheld upon vesting to enable the reporting person to satisfy tax withholding obligations that arose upon such vesting, which will be paid by the issuer to the appropriate taxing authority in cash.	
(5) 	Upon the vesting of our restricted share units, the reporting person is required to pay the aggregate nominal value (par value), $0.10 per share, of our Class A ordinary shares actually issued, in accordance with U.K. corporate law.	
(6) 	On June 1, 2018, the reporting person was granted 30,396 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.	
(7) 	On June 1, 2015, the reporting person was granted 10,686 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.	
(8) 	On June 1, 2016, the reporting person was granted 20,727 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.	
(9) 	On June 1, 2017, the reporting person was granted 31,647 restricted share units, vesting in three equal annual installments beginning on the first anniversary of the grant date.	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
KALMAN FRANCIS S
6 CHESTERFIELD GARDENS
3RD FLOOR
LONDON, X0 W1J 5BQ	X				

Signatures		
/s/ Davor S. Vukadin, by Power of Attorney		6/5/2018	
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	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).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.