ROWAN COMPANIES F-6 Registration for ADRs (foreign)

  As filed with the Securities and Exchange Commission on February 28, 2012   Registration No. 333  -

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM F-6

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933 FOR AMERICAN DEPOSITARY SHARES EVIDENCED BY

AMERICAN DEPOSITARY RECEIPTS

ROWAN COMPANIES LIMITED

(Exact name of issuer of deposited securities as specified in its charter)

N/A

(Translation of issuer’s name into English)

England and Whales

(Jurisdiction of incorporation or organization of issuer)

CITIBANK, N.A.

(Exact name of depositary as specified in its charter)

399 Park Avenue

New York, New York  10043

(877) 248 - 4237

(Address, including zip code, and telephone number, including area code, of depositary’s principal executive offices)

Melanie M. Trent

Company Secretary

Rowan Companies Limited

c/o Rowan Companies, Inc.

2800 Post Oak Boulevard, Suite 5450

Houston, Texas 77056

(713) 621-7800

(Address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Jonathan B. Newton Baker & McKenzie LLP Pennzoil Place, South Tower 711 Louisiana Street, Suite 3400 Houston, Texas  77002 Herman H. Raspé, Esq. Patterson Belknap Webb & Tyler LLP 1133 Avenue of the Americas New York, New York  10036

It is proposed that this filing become effective under Rule 466: o  immediately upon filing. o  on (Date) at (Time).

If a separate registration statement has been filed to register the deposited shares, check the following box : o

CALCULATION OF REGISTRATION FEE

Title of Each Class of Securities to be Registered	Amount to be Registered	Proposed Maximum Aggregate Price Per Unit*	Proposed Maximum Aggregate Offering Price**	Amount of Registration Fee
American Depositary Shares (“ADS”), each ADS representing  the right to receive one (1) Class A Ordinary Share of Rowan Companies Limited	300,000,000 ADSs	$5.00	$15,000,000.00	$1,719.00

* Each unit represents 100 American Depositary Shares.

** Estimated solely for the purpose of calculating the registration fee.  Pursuant to Rule 457(k), such estimate is computed on the basis of the maximum aggregate fees or charges to be imposed in connection with the issuance of American Depositary Shares.

The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, or until this Registration Statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.

This Registration Statement may be executed in any number of counterparts, each of which shall be deemed an original, and all of such counterparts together shall constitute one and the same instrument.

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PART I

INFORMATION REQUIRED IN PROSPECTUS

Cross Reference Sheet

Item 1. DESCRIPTION OF SECURITIES TO BE REGISTERED

Item Number and Caption			Location in Form of American Depositary Receipt (“Receipt”) Filed Herewith as Prospectus
1.	Name of Depositary and address of its principal executive office		Face of Receipt -  Introductory Article.
2.	Title of Receipts and identity of deposited securities		Face of Receipt  - Top Center.
Terms of Deposit:
	(i)	The amount of deposited securities represented by one American Depositary Share ("ADSs")	Face of Receipt  - Upper right corner.
	(ii)	The procedure for voting, if any, the deposited securities	Reverse of Receipt  - Paragraphs (16) and (17).
	(iii)	The collection and distribution of dividends	Reverse of Receipt - Paragraph (14).
	(iv)	The transmission of notices, reports and proxy soliciting material	Face of Receipt  - Paragraph (13); Reverse of Receipt - Paragraph (16).
	(v)	The sale or exercise of rights	Reverse of Receipt – Paragraphs (14) and (16).
	(vi)	The deposit or sale of securities resulting from dividends, splits or plans of reorganization	Face of Receipt - Paragraphs (3) and (6); Reverse of Receipt - Paragraphs (14) and (18).
	(vii)	Amendment, extension or termination of the deposit agreement	Reverse of Receipt - Paragraphs (22) and (23) (no provision for extensions).
	(viii)	Rights of holders of Receipts to inspect the transfer books of the Depositary and the list of holders of ADSs	Face of Receipt - Paragraph (13).
	(ix)	Restrictions upon the right to deposit or withdraw the underlying securities	Face of Receipt – Paragraphs (2), (3), (4), (6), (7), (9) and (10).

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Item Number and Caption			Location in Form of American Depositary Receipt (“Receipt”) Filed Herewith as Prospectus
	(x)	Limitation upon the liability of the Depositary	Face of Receipt - Paragraph (7); Reverse of Receipt - Paragraphs (19) and (20).
3.	Fees and charges which may be imposed directly or indirectly on holders of ADSs		Face of Receipt - Paragraph (10).
Item 2. AVAILABLE INFORMATION			Face of Receipt - Paragraph (13).

Rowan Companies Limited is subject to the periodic reporting requirements of the United States Securities Exchange Act of 1934, as amended, and, accordingly, files certain reports with, and submits certain reports to, the United States Securities and Exchange Commission (the “Commission”).  These reports can be retrieved from the Commission’s internet website (www.sec.gov), and can be inspected and copied at the public reference facilities maintained by the Commission at 100 F Street, N.E., Washington D.C. 20549.

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PROSPECTUS

The Prospectus consists of the proposed form of American Depositary Receipt included as Exhibit A to the Deposit Agreement filed as Exhibit (a) to this Registration Statement on Form F-6 and is incorporated herein by reference.

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PART II

INFORMATION NOT REQUIRED IN PROSPECTUS

Item 3.EXHIBITS

(a) Deposit Agreement, dated as of December 5, 2011, by and among Rowan Companies Limited, Citibank, N.A., as depositary (the “Depositary”), and all Holders and Beneficial Owners of American Depositary Shares.  ___ Filed herewith as Exhibit (a).

(b)  Any other agreement to which the Depositary is a party relating to the issuance of the American Depositary Shares registered hereunder or the custody of the deposited securities represented thereby.  ___ None.

(c)  Every material contract relating to the deposited securities between the Depositary and the issuer of the deposited securities in effect at any time within the last three years.  ___ None.

(d)  Opinion of counsel for the Depositary as to the legality of the securities to be registered.  ___ Filed herewith as Exhibit (d).

(e)  Certificate under Rule 466.  ___ None.

(f)  Powers of Attorney for certain officers and directors and the authorized representative of the Company.  ___ Set forth on the signature pages hereto.

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Item 4.  UNDERTAKINGS

(a)  The Depositary undertakes to make available at the principal office of the Depositary in the United States, for inspection by holders of ADSs, any reports and communications received from the issuer of the deposited securities which are both (1) received by the Depositary as the holder of the deposited securities, and (2) made generally available to the holders of the underlying securities by the issuer.

(b)  If the amount of fees charged is not disclosed in the prospectus, the Depositary undertakes to prepare a separate document stating the amount of any fee charged and describing the service for which it is charged and to deliver promptly a copy of such fee schedule without charge to anyone upon request.  The Depositary undertakes to notify each registered holder of an ADS thirty (30) days before any change in the fee schedule.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, Citibank, N.A., acting solely on behalf of the legal entity created by the Deposit Agreement, dated as of December 5, 2011, by and among Rowan Companies Limited, Citibank, N.A., as depositary, and all Holders and Beneficial Owners of American Depositary Shares to be issued thereunder, certifies that it has reasonable grounds to believe that all the requirements for filing on Form F-6 are met and has duly caused this Registration Statement on Form F-6 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, State of New York, on the 27th day of February, 2012.

Legal entity created by the Deposit Agreement, dated December 5, 2011, under which the American Depositary Shares registered hereunder are to be issued, each American Depositary Share representing the right to receive one (1) Class A Ordinary Share of Rowan Companies Limited. CITIBANK, N.A., solely in its capacity as Depositary
By:	/s/ Susan A. Lucanto
	Name:	Susan A. Lucanto
	Title:	Vice President

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, Rowan Companies Limited certifies that it has reasonable grounds to believe that all the requirements for filing on Form F-6 are met and has duly caused this Registration Statement on Form F-6 to be signed on its behalf by the undersigned thereunto duly authorized, in Houston, Texas, on February 27, 2012.

ROWAN COMPANIES LIMITED
By:	/s/ William H. Wells
	William H. Wells
	Director and Treasurer

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POWERS OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints each of W. Matt Ralls, John L. Buvens, William H. Wells, J. Kevin Bartol and Melanie M. Trent to act, each with full power to act alone, as his/her true and lawful attorney-in-fact and agent, with full power of substitution, for him/her and in his/her name, place and stead, in any and all such capacities, to sign any and all amendments, including post-effective amendments, and supplements to this Registration Statement, and to file the same, with all exhibits thereto and other documents in connection therewith, with the United States Securities and Exchange Commission, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and purposes as s/he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his/her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement on Form F-6 has been signed by the following persons in the following capacities on February 27, 2012.

Signature	Title
/s/ Thomas Peter Horlick Burke	Director and President
Thomas Peter Horlick Burke
/s/ William H. Wells	Director and Treasurer
William H. Wells
/s/ Melanie M. Trent	Director, Company Secretary and Authorized   Representative in the United States
Melanie M. Trent

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Index to Exhibits

Exhibit	Document	Sequentially Numbered Page
(a)	Deposit Agreement
(d)	Opinion of counsel to the Depositary

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