f4tie091111hcs.txt





Additional Information





 Valhi Holding Company ("VHC"), Annette C. Simmons, The Combined Master

Retirement Trust (the "CMRT"), Harold C. Simmons, NL Industries, Inc. ("NL"),

Valhi, Inc. ("Valhi"), NL Environmental Management Services, Inc. ("NL EMS"),

the Harold Simmons Foundation, Inc. (the "Foundation") and The Annette Simmons

Grandchildren's Trust (the "Grandchildren's Trust") are the holders of

approximately 26.4%, 12.0%, 8.6%, 4.1%, 0.5%, 0.5%, 0.3%, 0.1% and less than

0.1%, respectively, of the outstanding shares of common stock of the issuer.



 NL is the holder of 100% of the outstanding common stock of NL EMS.  Valhi

and TIMET Finance Management Company ("TFMC") are the direct holders of

approximately 83.1% and 0.5%, respectively, of the outstanding common stock of

NL.  The issuer is the holder of 100% of the outstanding common stock of TFMC.



 VHC, TFMC, the Foundation the Contran Amended and Restated Deferred

Compensation Trust (the "CDCT") and the CMRT are the direct holders of 92.2%,

1.1%, 0.9%, 0.3% and 0.1%, respectively, of the common stock of Valhi.  Dixie

Rice Agricultural Corporation, Inc. ("Dixie Rice") is the direct holder of 100%

the outstanding common stock of VHC.  Contran Corporation ("Contran") is the

holder of 100% of the outstanding common stock of Dixie Rice .



 Substantially all of Contran's outstanding voting stock is held by trusts

established for the benefit of certain children and grandchildren of Harold C.

Simmons (the "Trusts"), of which Mr. Simmons is the sole trustee, or is held by

Mr. Simmons or persons or other entities related to Mr. Simmons.  As sole

trustee of each of the Trusts, Mr. Simmons has the power to vote and direct the

disposition of the shares of Contran stock held by each of the Trusts.  Mr.

Simmons, however, disclaims beneficial ownership of any shares of Contran stock

that the Trusts hold.



 The CMRT directly holds approximately 8.6% of the outstanding shares of

the issuer's common stock and 0.1% of the outstanding shares of Valhi common

stock.  Contran sponsors the CMRT, which permits the collective investment by

master trusts that maintain the assets of certain employee benefit plans Contran

and related companies adopt.  Harold C. Simmons is the sole trustee of the CMRT

and a member of the trust investment committee for the CMRT.  Mr. Simmons is a

participant in one or more of the employee benefit plans that invest through the

CMRT.



 The Foundation directly holds approximately 0.1% of the outstanding shares

of the issuer's common stock and 0.9% of the outstanding shares of Valhi common

stock.  The Foundation is a tax-exempt foundation organized for charitable

purposes.  Harold C. Simmons is the chairman of the board of the Foundation.



 The CDCT directly holds approximately 0.3 of the outstanding shares of

Valhi's common stock.  U.S. Bank National Association serves as the trustee of

the CDCT.  Contran established the CDCT as an irrevocable "rabbi trust" to

assist Contran in meeting certain deferred compensation obligations that it owes

to Harold C. Simmons.  If the CDCT assets are insufficient to satisfy such

obligations, Contran is obligated to satisfy the balance of such obligations as

they come due.  Pursuant to the terms of the CDCT, Contran (i) retains the power

to vote the shares of Valhi common stock held directly by the CDCT, (ii) retains

dispositive power over such shares and (iii) may be deemed the indirect

beneficial owner of such shares.



 NL and NL EMS directly own 3,604,790 shares and 1,186,200 shares,

respectively, of Valhi common stock.  As already stated, Valhi directly holds

83.1% of the outstanding shares of NL common stock.  Pursuant to Delaware law,

Valhi treats the shares of Valhi common stock that NL and NL EMS own as treasury

stock for voting purposes and for the purposes of this statement such shares are

not deemed outstanding.



 Mr. Harold C. Simmons is chairman of the board and chief executive officer

of NL and chairman of the board of the issuer, Valhi, VHC, Dixie Rice and

Contran.



 By virtue of the holding of the offices, the stock ownership and his

services as trustee, all as described above, (a) Mr. Simmons may be deemed to

control the entities described above and (b) Mr. Simmons and certain of such

entities may be deemed to possess indirect beneficial ownership of shares of the

issuer's securities directly held by certain of such other entities.  However,

Mr. Simmons disclaims beneficial ownership of the securities beneficially owned,

directly or indirectly, by any of such entities, except to the extent of his

vested beneficial interest, if any, in the shares the CMRT or the CDCT directly

holds.  Other than securities that she holds directly, Ms. Simmons disclaims

beneficial ownership of all of the issuer's securities beneficially owned,

directly or indirectly, by any of such entities or Mr. Simmons.



 Annette C. Simmons is the wife of Harold C. Simmons and the direct owner

of 21,575,875 shares of the issuer's common stock, 292,225 shares of NL common

stock and 203,065 shares of Valhi common stock.  Mr. Simmons may be deemed to

share indirect beneficial ownership of such shares.  Mr. Simmons disclaims all

such beneficial ownership.  Ms. Simmons disclaims beneficial ownership of all

shares of the issuer's common stock that she does not own directly.



 Harold C. Simmons is the direct owner of 7,421,787 shares of the issuer's

common stock, 881,600 shares of NL common stock and 180,432 shares of Valhi

common stock.



 The Grandchildren's Trust, of which Harold C. Simmons and Annette C.

Simmons are trustees and the beneficiaries are the grandchildren of Ms. Simmons,

is the direct holder of 15,432 shares of the issuer's common stock and 34,000

shares of Valhi common stock.  Mr. and Ms. Simmons, each as co-trustee of this

trust, each have the power to vote and direct the disposition of the shares of

the common stock the trust holds.  Mr. Simmons and his spouse each disclaims

beneficial ownership of any shares that this trust holds.