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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1. Name and Address of Reporting Person * Casey Thomas   2. Issuer Name and Ticker or Trading Symbol Tronox Ltd [TROX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman, CEO (Last) (First) (Middle) ONE STAMFORD PLAZA, 263 TRESSER BLVD, SUITE 1100 3. Date of Earliest Transaction (Month/Day/Year) 05/12/2015 (Street) STAMFORD, CT 06901 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 Common Stock Class A 05/12/2015   P   20,000 A $ 18.5685 (1) 105,000 I Kepaca Ltd, A Domestic Limited Partnersthip Common Stock Class A               772,329 (2) D   Common Stock Class A               25,000 I Thomas J Casey Living Trust Common Stock Class A               10,000 I Christine K. Casey Rev Trust

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

Common Stock Options (right to buy)

$ 19.09

(3)

02/25/2023

Class A Common Stock

200,000 (3)

200,000

D

Common Stock Options (right to buy

$ 21.98

(4)

02/10/2024

Class A Common Stock

157,403 (4)

157,407

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Casey Thomas ONE STAMFORD PLAZA, 263 TRESSER BLVD SUITE 1100 STAMFORD, CT 06901	X		Chairman, CEO

Signatures

Richard L. Muglia, as attorney-in-fact		05/13/2015
**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)	The shares were purchased between a range of $18.18 a share to $18.90 a share, inclusive, for a weighted average sale price of $18.5685. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range.
(2)	Includes 165,209 performance-based restricted shares.
(3)	As reported on Form 4 filed on 10/11/2013, the options vest in three equal installments on the anniversary date of the grant.
(4)	As reported on Form 4 filed 2/12/2014, the options vest in three equal installments on the anniversary date of the grant.

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