f4tie100722contran.txt



Exhibit 99

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"), Contran Corporation ("Contran"), 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 24.9%, 11.3%, 8.6%,

4.1%, 0.5%, 0.5%, 0.4%, 0.3%, less than 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 83.0% 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 92.3%,

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, and a pecuniary interest

in, any shares of Contran stock that the Trusts hold.



 The CDCT directly holds approximately 0.3% of the outstanding shares of

Valhi 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 the issuer's 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.



 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 less than 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.



 Contran, Valhi and Southwest Louisiana Land LLC ("Southwest") directly

hold all of the partnership interests of COAM Company.  Contran is the sole

member of Southwest.



 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

83.0% 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,

Southwest 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, and a pecuniary

interest in, 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 of the issuer's common stock the CMRT directly holds.  Other

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

ownership of, and a pecuniary interest in, 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 20,447,875 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 7,422,787 shares of the issuer's

common stock, 1,000,200 shares of NL common stock and 313,183 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

31,800 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, and a pecuniary interest in, any shares that

this trust holds.