Ownership Submission
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

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Ahlstrom Lee Michael
   2. Issuer Name and Ticker or Trading Symbol
Noble Corp / Switzerland [NE] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP - Strategic Development
(Last)
(First)
(Middle)
8518 WYNDHAM		 3. Date of Earliest Transaction (Month/Day/Year)
02/03/2012
(Street)

HOUSTON, TX 77040		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(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 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
Shares (1) 02/03/2012   D   10,369 D $ 0 19,036 D  
Shares 02/03/2012   F   811 D $ 36.815 18,225 D  
Shares 02/04/2012   A   1,060 A $ 0 19,285 D  
Shares 02/04/2012   F   281 D $ 36.815 19,004 D  
Shares 02/06/2012   A   1,014 A $ 0 20,018 D  
Shares 02/06/2012   F   269 D $ 37.315 19,749 D  
Shares (2)               219.0762 I By Trust
Shares (3)               133.1952 I By Trust

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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 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
Stock Options $ 36.815 02/03/2012   A   5,209     (4) 02/03/2022 Shares 5,209 $ 0 5,209 D  
Restricted Stock Units $ 0 (5) 02/03/2012   A   3,803     (6)   (6) Shares 3,803 $ 0 3,803 D  
Performance Vested Restricted Stock Units $ 0 (7) 02/03/2012   A   7,984     (7)   (7) Shares 7,984 $ 0 7,984 D  
Restricted Stock Units $ 0 (5) 02/04/2012   D     1,060   (6)   (6) Shares 1,060 $ 0 2,122 D  
Restricted Stock Units $ 0 (5) 02/06/2012   D     1,014   (6)   (6) Shares 1,014 $ 0 1,014 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Ahlstrom Lee Michael
8518 WYNDHAM
HOUSTON, TX 77040		       Sr. VP - Strategic Development  

Signatures

 /s/ Julie J. Robertson By Power of Attorney dated August 1, 2011   02/07/2012
**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) Forfeiture of performance based restricted shares from award date February 25, 2009
(2) Shares held in the Noble Drilling Corporation 401(k) Savings Plan
(3) Shares held in the Noble Drilling Corpoation 401(k) Restoration Plan
(4) Represents option to purchase 5,209 shares at $36.815 with a vesting schedule of 1,736 shares on February 3, 2013; 1,736 shares on February 3, 2014; and 1,737 shares on February 3, 2015
(5) Each restricted stock unit represents a contingent right to receive one share
(6) The restricted stock units vest and settle in three equal annual installments beginning on the first anniversay of the grant date
(7) Each Performance Vested Restricted Stock Unit represents a contingent right to receive one share. Performance Vested Restricted Stock Units vest upon the company achieving a total shareholder return over a three-year performance cycle (2012-2014) relative to a specified peer group

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