Ownership Submission
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 *
Simmons Annette C
2. Issuer Name and Ticker or Trading Symbol
KRONOS WORLDWIDE INC [KRO]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)

5430 LBJ FREEWAY, SUITE 1700
3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
08/29/2014
(Street)


DALLAS, TX 75240
4. If Amendment, Date Original Filed(Month/Day/Year)
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
Common Stock, par value $0.01 per share 08/29/2014   J(1) 201,974 A $ (1) 1,571,716 D (2)  
Common Stock, par value $0.01 per share             57,990,042 I By Valhi (3)
Common Stock, par value $0.01 per share             35,219,270 I By NL (4)
Common Stock, par value $0.01 per share             137,672 I By Contran (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. 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. 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
Simmons Annette C
5430 LBJ FREEWAY, SUITE 1700
DALLAS, TX 75240
    X    

Signatures

A. Andrew R. Louis, Attorney-in-fact, for Annette C. Simmons 03/30/2015
**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) On August 29, 2014, Annette C. Simmons, the independent executor of the estate of Harold C.Simmons and the sole beneficiary of Mr. Simmons's individual retirement account ("IRA") upon his death, transferred the 201,974 shares of the issuer's common stock held in his IRA to her IRA. As the independent executor of such estate and the sole beneficiary of such IRA, Ms. simmons had already beneficially owned such shares as of the date of such transfer.
(2) Consists of 581, 866 shares directly held by the estate of Harold C.Simmons of which Annette C.Simmons is the independent executor and designated legatee of these shares and 989,850 shares she holds directly (which includes 201,974 shares transferred from Mr. Simmons's IRA to her IRA on August 29, 2014).
(3) Directly held by Valhi, Inc. See the Additional Information filed as Exhibit 99.1 to this statement for a description of the relationship of additional persons who may be deemed to beneficially own these shares.
(4) Directly held by NL Industries, Inc. See the Additional Information filed as Exhibit 99.1 to this statement for a description of the relationship of additional persons who may be deemed to beneficially own these shares.
(5) Directly held by Contran Corporation. See the Additional Information filed as Exhibit 99.1 to this statement for a description of the relationship of additional persons who may be deemed to beneficially own these shares.
 
Remarks:
Exhibit Index

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