SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13D (Amendment No. 18)* Under the Securities Exchange Act of 1934 TITANIUM METALS CORPORATION (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 888339 10 8 (CUSIP Number) STEVEN L. WATSON THREE LINCOLN CENTRE SUITE 1700 5430 LBJ FREEWAY DALLAS, TEXAS 75240-2694 (972) 233-1700 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) May 5, 2003 (Date of Event which requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. [ ] *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). (Continued on following pages) CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Tremont LLC 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) WC and AF 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,261,850 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,261,850 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,261,850 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Valhi, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Valhi Group, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Nevada 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) National City Lines, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) NOA, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Texas 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Dixie Holding Company 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Dixie Rice Agricultural Corporation, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Louisiana 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Southwest Louisiana Land Company, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Louisiana 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Contran Corporation 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,357,380 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,357,380 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,357,380 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 41.5% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Harold Simmons Foundation, Inc. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Texas 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,263,650 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,263,650 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,263,650 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 39.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) CO CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) The Combined Master Retirement Trust 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) WC 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION Texas 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,550,170 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,550,170 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,550,170 12 CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 48.7% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) EP CUSIP No. 888339 10 8 1 NAMES OF REPORTING PERSONS AND I.R.S. IDENTIFICATION NOS. OF SUCH PERSONS (ENTITIES ONLY) Harold C. Simmons 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(SEE INSTRUCTIONS) (a) [ ] (b) [ X ] 3 SEC USE ONLY 4 SOURCE OF FUNDS (SEE INSTRUCTIONS) Not applicable 5 CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) [ ] 6 CITIZENSHIP OR PLACE OF ORGANIZATION USA 7 SOLE VOTING POWER -0- NUMBER OF SHARES 8 SHARED VOTING POWER BENEFICIALLY OWNED BY 1,648,660 EACH REPORTING 9 SOLE DISPOSITIVE POWER PERSON WITH -0- 10 SHARED DISPOSITIVE POWER 1,648,660 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON -0- 12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [ X ] 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0.0% 14 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IN AMENDMENT NO. 18 TO SCHEDULE 13D This amended statement on Schedule 13D (collectively, this "Statement") relates to the common stock, $0.01 par value per share (the "Shares"), of Titanium Metals Corporation, a Delaware corporation (the "Company"). Items 2, 3, 4, 5 and 7 of this Statement are hereby amended as set forth below. Item 2. Identity and Background. Item 2(a) is amended and restated as follows: (a) The following entities or person are filing this Statement (collectively, the "Reporting Persons"): (i) Tremont LLC and The Combined Master Retirement Trust (the "CMRT") as direct holders of Shares; (ii) Valhi, Inc. ("Valhi"), Valhi Group, Inc. ("VGI"), National City Lines, Inc. ("National"), NOA, Inc. ("NOA"), Dixie Holding Company ("Dixie Holding"), Dixie Rice Agricultural Corporation, Inc. ("Dixie Rice"), Southwest Louisiana Land Company, Inc. ("Southwest"), Contran Corporation ("Contran") and the Harold Simmons Foundation, Inc. (the "Foundation") by virtue of their direct and indirect ownership of securities of Tremont LLC (as described below in this Statement); and (iii) Harold C. Simmons by virtue of his positions with Contran and certain of the other entities (as described in this Statement). By signing this Statement, each Reporting Person agrees that this Statement is filed on its or his behalf. Tremont LLC, the CMRT and Valhi are the direct holders of approximately 39.7%, 9.0% and 0.1%, respectively, of the 3,180,182 Shares outstanding as of May 7, 2003 according to the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2003 (the "Outstanding Shares"). Tremont LLC may be deemed to control the Company. Harold C. Simmons' spouse, by virtue of her direct ownership of 1,000,000 6 5/8% Convertible Preferred Securities, Beneficial Unsecured Convertible Securities of the TIMET Capital Trust 1 (the "BUCs") that are convertible into 133,900 Shares, indirectly holds approximately 4.0% of the outstanding Shares, assuming the full conversion of only the BUCs she directly holds. In addition to Shares Tremont LLC and Valhi directly hold that Contran may be deemed to indirectly own, Contran, by virtue of its direct ownership of 700,000 BUCs that are convertible into 93,730 Shares, indirectly holds approximately 2.9% of the outstanding Shares, assuming the full conversion of only the BUCs Contran directly holds. Valhi is the direct holder of 100% of the outstanding membership interests of Tremont LLC and may be deemed to control Tremont LLC. VGI, National, Contran, the Foundation, the Contran Deferred Compensation Trust No. 2 (the "CDCT No. 2") and the CMRT are the direct holders of 77.6%, 9.1%, 2.9%, 1.3%, 0.4% and 0.1%, respectively, of the common stock of Valhi. Together, VGI, National and Contran may be deemed to control Valhi. National, NOA and Dixie Holding are the direct holders of approximately 73.3%, 11.4% and 15.3%, respectively, of the outstanding common stock of VGI. Together, National, NOA and Dixie Holding may be deemed to control VGI. Contran and NOA are the direct holders of approximately 85.7% and 14.3%, respectively, of the outstanding common stock of National and together may be deemed to control National. Contran and Southwest are the direct holders of approximately 49.9% and 50.1%, respectively, of the outstanding common stock of NOA and together may be deemed to control NOA. Dixie Rice is the direct holder of 100% of the outstanding common stock of Dixie Holding and may be deemed to control Dixie Holding. Contran is the holder of 100% of the outstanding common stock of Dixie Rice and may be deemed to control Dixie Rice. Contran is the holder of approximately 88.9% of the outstanding common stock of Southwest and may be deemed to control Southwest. 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. 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 9.0% of the Outstanding Shares and 0.1% of the outstanding shares of Valhi common stock. Valhi established the CMRT as a trust to permit the collective investment by master trusts that maintain the assets of certain employee benefit plans Valhi and related companies adopt. Mr. 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 1.3% of the outstanding 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 and may be deemed to control the Foundation. The CDCT No. 2 directly holds approximately 0.4% of the outstanding Valhi common stock. U.S. Bank National Association serves as the trustee of the CDCT No. 2. Contran established the CDCT No. 2 as an irrevocable "rabbi trust" to assist Contran in meeting certain deferred compensation obligations that it owes to Harold C. Simmons. If the CDCT No. 2 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 No. 2, Contran (i) retains the power to vote the shares of Valhi common stock held directly by the CDCT No. 2, (ii) retains dispositive power over such shares and (iii) may be deemed the indirect beneficial owner of such shares. Valmont Insurance Company ("Valmont"), NL Industries, Inc. ("NL") and a subsidiary of NL directly own 1,000,000 shares, 3,522,967 shares and 1,186,200 shares, respectively, of Valhi common stock. Valhi is the direct holder of 100% of the outstanding common stock of Valmont and may be deemed to control Valmont. Valhi and Tremont LLC are the direct holders of 63.2% and 21.4%, respectively, of the outstanding common stock of NL. Together Valhi and Tremont LLC may be deemed to control NL. Pursuant to Delaware law, Valhi treats the shares of Valhi common stock that Valmont, NL and the subsidiary of NL own as treasury stock for voting purposes and for the purposes of this report such shares are not deemed outstanding. Mr. Harold C. Simmons is chairman of the board of Tremont LLC, NL, Valhi, VGI, National, NOA, Dixie Holding, Dixie Rice, Southwest and Contran. By virtue of the offices held, 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 directly held by certain of such other entities. Mr. Simmons disclaims beneficial ownership of the Shares beneficially owned, directly or indirectly, by any of such entities. Harold C. Simmons and his spouse are co-trustees of a trust for the benefit of the grandchildren of his spouse (the "Grandchildren's Trust"). The Grandchildren's Trust is the direct holder of 4,760 Shares. Mr. Simmons, as co-trustee of the Grandchildren's Trust, has the power to vote and direct the disposition of the Shares the Grandchildren's Trust directly holds. Mr. Simmons disclaims beneficial ownership of any Shares that the Grandchildren's Trust holds. Item 3. Source and Amount of Funds or Other Consideration. Item 3 is amended as follows: The total amount of funds Valhi used to acquire the Shares purchased by it as reported in Item 5(c) was $35,835.00 (including commissions). Such funds were provided by Valhi's cash on hand. The Reporting Persons understand that the total amount of funds the Grandchildren's Trust used to acquire the Shares purchased by it as reported in Item 5(c) was $69,320.23 (including commissions). Such funds were provided by the Grandchildren's Trust's cash on hand. On May 5, 2003, Valhi commenced a tender offer (the "BUCs Tender Offer") to purchase for cash up to 1,000,000 BUCs for a purchase price of $10.00 per BUC. The BUCs include the associated guarantee by the Company. The BUCs Tender Offer expires at 12:00 midnight, New York City time, on Monday, June 2, 2003, unless extended. The description of the BUCs Tender Offer in this Statement is qualified in its entirety by the Schedule TO and its exhibits that Valhi filed with the Securities and Exchange Commission (the "SEC") on May 5, 2003, as amended by Amendment No. 1 to Schedule TO that Valhi filed with the SEC on May 16, 2003, as such Schedule TO may be further amended from time to time (collectively, the "Schedule TO"), which Schedule TO is incorporated herein by reference. For a description of the amount and source of funds Valhi intends to use to purchase BUCS in the BUCs Tender Offer, see the Schedule TO. Item 4. Purpose of Transaction No change to Item 4 except for the addition of the following: For a description of the purpose of the BUCs Tender Offer, see the Schedule TO, which is incorporated herein by reference. Depending upon their evaluation of the Company's business and prospects, and upon future developments (including, but not limited to, performance of the Company's securities in the market, availability of funds, alternative uses of funds, the Reporting Persons' tax planning objectives and cash needs, stock market and general economic conditions), any of the Reporting Persons or other entities or persons that may be deemed to be affiliated with Contran may from time to time purchase Company securities, and any of the Reporting Persons, or other entities or persons that may be deemed to be affiliated with Contran may from time to time dispose of all or a portion of Company securities held by such entity or person, or cease buying or selling Company securities. Any such additional purchases or sales of Company securities may be in open market or privately negotiated transactions or otherwise. As described under Item 2, Harold C. Simmons, through Contran, may be deemed to control the Company. The information included in Item 6 of this Statement is incorporated herein by reference. Item 5. Interest in Securities of the Issuer. Item 5 is amended as follows: No change except for the addition of the following: (a) Tremont LLC, the CMRT, the Grandchildren's Trust and Valhi are the direct holders of 1,261,850 Shares, 286,520 Shares, 4,760 Shares and 1,800 Shares, respectively. Harold Simmons' spouse and Contran are the direct holders of 1,000,000 BUCs and 700,000 BUCs, respectively, which are convertible into 133,900 Shares and 93,730 Shares, respectively. By virtue of the relationships described under Item 2 of this Statement: (1) Valhi, VGI, National, NOA, Dixie Holding, Dixie Rice, Southwest and the Foundation may each be deemed to be the beneficial owner of the 1,263,650 Shares (approximately 39.7% of the Outstanding Shares) that Tremont LLC and Valhi hold directly; (2) Contran may be deemed to be the beneficial owner of the 1,263,650 Shares that Tremont LLC and Valhi hold directly and the 93,730 Shares Contran may acquire upon conversion of the 700,000 BUCs that Contran holds directly (in the aggregate 1,357,380 Shares, or approximately 41.5% of the outstanding Shares assuming the full conversion of only Contran's BUCs); (3) The CMRT may be deemed to be the beneficial owner of the 1,550,170 Shares (approximately 48.7% of the Outstanding Shares) that Tremont LLC, Valhi and the CMRT hold directly; and (4) Harold C. Simmons may be deemed to be the beneficial owner of the 1,554,930 Shares that Tremont LLC, the CMRT, the Grandchildren's Trust and Valhi hold directly and the 93,730 Shares Contran may acquire upon conversion of the 700,000 BUCs that Contran holds directly (in the aggregate 1,648,660 Shares, or approximately 50.4% of the outstanding Shares assuming the full conversion of only the BUCs Contran directly holds). Mr. Simmons disclaims beneficial ownership of all Company securities. (b) By virtue of the relationships described in Item 2: (1) Valhi, VGI, National, NOA, Dixie Holding, Dixie Rice, Southwest and the Foundation may each be deemed to share the power to vote and direct the disposition of the 1,263,650 Shares (approximately 39.7% of the Outstanding Shares) that Tremont LLC and Valhi hold directly; (2) Contran may be deemed to share the power to vote and direct the disposition of the 1,263,650 Shares that Tremont LLC and Valhi hold directly and the 93,730 Shares Contran may acquire upon conversion of the 700,000 BUCs that Contran holds directly (in the aggregate 1,357,380 Shares, or approximately 41.5% of the outstanding Shares assuming the full conversion of only Contran's BUCs); (3) The CMRT may be deemed to share the power to vote and direct the disposition of the 1,550,170 Shares (approximately 48.7% of the Outstanding Shares) that Tremont LLC, Valhi and the CMRT hold directly; and (4) Harold C. Simmons may be deemed to share the power to vote and direct the disposition of the 1,554,930 Shares that Tremont LLC, the CMRT, the Grandchildren's Trust and Valhi hold directly and the 93,730 Shares Contran may acquire upon conversion of the 700,000 BUCs that Contran holds directly (in the aggregate 1,648,660 Shares, or approximately 50.4% of the outstanding Shares assuming the full conversion of only the BUCs Contran directly holds). (c) The table below sets forth purchases of Shares by the Reporting Persons and the Grandchildren's Trust since March 6, 2003, sixty days prior to the date that requires the filing of this Statement. All purchases were executed on the New York Stock Exchange. Type of Price Per Security Company Numbers (exclusive of Purchaser Date Security of Securities commissions) -------------------------------------------- -------- -------- ------------- ------------------- Valhi, Inc................................... 03/07/03 Shares 500 $19.7500 Valhi, Inc................................... 03/07/03 Shares 1,300 $19.9000 Grandchildren's Trust ....................... 04/21/03 Shares 1,300 $21.5692 Grandchildren's Trust ........................ 04/22/03 Shares 1,900 $21.6383 (d) Each of Tremont LLC, the CMRT, Harold C. Simmons' spouse, Contran, the Grandchildren's Trust and Valhi has the right to receive and the power to direct the receipt of dividends from, and proceeds from the sale of, the Company equity securities held by such entity or person. Item 7. Material to be Filed as Exhibits. Item 7 is amended and restated in its entirety as follows: Exhibit 1 Agreement and Plan of Merger dated November 4, 2002 among Valhi, Inc., Valhi Acquisition Corp. and Tremont Corporation, as amended (incorporated by reference to Appendix A to the Registration Statement on Form S-4 (Reg. No. 333-101244) filed by Valhi, Inc. with the Securities and Exchange Commission on November 15, 2002). Exhibit 2 Agreement and Plan of Merger dated as of November 4, 2002 among Valhi, Inc., Tremont Group, Inc. and Valhi Acquisition Corp. II (incorporated by reference to Exhibit 10.3 to the Quarterly Report on Form 10-Q of Valhi, Inc. for the quarter ended September 30, 2002). Exhibit 3 Schedule TO dated as of May 5, 2003 filed by Valhi, Inc. with the Securities and Exchange Commission (incorporated by reference to the Schedule TO dated as of May 5, 2003 filed by Valhi, Inc. with the Securities and Exchange Commission). Exhibit 4 Amendment No. 1 to Schedule TO dated as of May 16, 2003 filed by Valhi, Inc. with the Securities and Exchange Commission (incorporated by reference to Amendment No. 1 to the Schedule TO dated as of May 16, 2003 filed by Valhi, Inc. with the Securities and Exchange Commission). Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Statement is true, complete and correct. Date: May 21, 2003 /s/ Harold C. Simmons ---------------------- Harold C. Simmons Signing in the capacities listed on Schedule "A" attached hereto and incorporated herein by reference. Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Statement is true, complete and correct. Date: May 21, 2003 /s/ Steven L. Watson ---------------------- Steven L. Watson Signing in the capacities listed on Schedule "A" attached hereto and incorporated herein by reference. SCHEDULE A HAROLD C. SIMMONS, in his individual capacity and as trustee for THE COMBINED MASTER RETIREMENT TRUST. STEVEN L. WATSON, as president or vice president of each of: CONTRAN CORPORATION DIXIE HOLDING COMPANY DIXIE RICE AGRICULTURAL CORPORATION, INC. HAROLD SIMMONS FOUNDATION, INC. NATIONAL CITY LINES, INC. NOA, INC. SOUTHWEST LOUISIANA LAND COMPANY, INC. TREMONT LLC VALHI GROUP, INC. VALHI, INC.