UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 - ------------------------------------------------------------------------------ SCHEDULE 13G Under the Securities Exchange Act of 1934 LYONDELL CHEMICAL COMPANY ------------------------- (Name of Issuer) Common Stock, par value $1.00 per share --------------------------------------- (Title of Class of Securities) 552078107 --------- (CUSIP Number) May 9, 2007 ----------- (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |X| Rule 13d-1(b) |_| Rule 13d-1(c) |_| Rule 13d-1(d) * 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 the disclosures provided in a prior cover page. The information required in 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 - ------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). MERRILL LYNCH & CO., INC. - ------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ] - ------------------------------------------------------------------------------- 3. SEC Use Only - ------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Delaware - ------------------------------------------------------------------------------- Number of 5. Sole Voting Power None Shares Beneficially --------------------------------------------------------------- Owned by Each Reporting 6. Shared Voting Power 7,934,753(*) Person With --------------------------------------------------------------- 7. Sole Dispositive Power None --------------------------------------------------------------- 8. Shared Dispositive Power 7,934,753(*) - ------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 7,934,753(*) - ------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) |_| - ------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 3.138%(*) - ------------------------------------------------------------------------------- 12. Type of Reporting Person: HC, CO - ------------------------------------------------------------------------------- (*)Merrill Lynch International or an affiliate may acquire up to an additional 14,000,000 shares or approximately 5.6% of the class in connection with the transactions described below in Item 4(a) of this report. - ------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED - ------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ] - ------------------------------------------------------------------------------- 3. SEC Use Only - ------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Delaware - ------------------------------------------------------------------------------- Number of 5. Sole Voting Power 7,818,008 Shares Beneficially --------------------------------------------------------------- Owned by Each Reporting 6. Shared Voting Power None Person With --------------------------------------------------------------- 7. Sole Dispositive Power 7,818,008 --------------------------------------------------------------- 8. Shared Dispositive Power None - ------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 7,818,008 - ------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) |_| - ------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 3.091%(*) - ------------------------------------------------------------------------------- 12. Type of Reporting Person: BD, IA, CO - ------------------------------------------------------------------------------- - ------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). MERRILL LYNCH INTERNATIONAL - ------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ] - ------------------------------------------------------------------------------- 3. SEC Use Only - ------------------------------------------------------------------------------- 4. Citizenship or Place of Organization England and Wales - ------------------------------------------------------------------------------- Number of 5. Sole Voting Power 87,933(*) Shares Beneficially --------------------------------------------------------------- Owned by Each Reporting 6. Shared Voting Power None Person With --------------------------------------------------------------- 7. Sole Dispositive Power 87,933(*) --------------------------------------------------------------- 8. Shared Dispositive Power None - ------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 87,933(*) - ------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) |_| - ------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 0.03%(*) - ------------------------------------------------------------------------------- 12. Type of Reporting Person: BD, CO - ------------------------------------------------------------------------------- (*)Merrill Lynch International or an affiliate may acquire additional shares in connection with the transactions described below in Item 4(a) of this report. - ------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). MERRILL LYNCH BANK & TRUST CO., FSB - ------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ] - ------------------------------------------------------------------------------- 3. SEC Use Only - ------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Federal Savings Bank under US Federal law - ------------------------------------------------------------------------------- Number of 5. Sole Voting Power 3,007 Shares Beneficially --------------------------------------------------------------- Owned by Each Reporting 6. Shared Voting Power None Person With --------------------------------------------------------------- 7. Sole Dispositive Power 3,007 --------------------------------------------------------------- 8. Shared Dispositive Power None - ------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 3,007 - ------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) |_| - ------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 0.00% - ------------------------------------------------------------------------------- 12. Type of Reporting Person: BK - ------------------------------------------------------------------------------- - ------------------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). MERRILL LYNCH FINANCIAL MARKETS, INC. - ------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ] - ------------------------------------------------------------------------------- 3. SEC Use Only - ------------------------------------------------------------------------------- 4. Citizenship or Place of Organization Delaware - ------------------------------------------------------------------------------- Number of 5. Sole Voting Power 25,805 Shares Beneficially --------------------------------------------------------------- Owned by Each Reporting 6. Shared Voting Power None Person With --------------------------------------------------------------- 7. Sole Dispositive Power 25,805 --------------------------------------------------------------- 8. Shared Dispositive Power None - ------------------------------------------------------------------------------- 9. Aggregate Amount Beneficially Owned by Each Reporting Person 25,805 - ------------------------------------------------------------------------------- 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) |_| - ------------------------------------------------------------------------------- 11. Percent of Class Represented by Amount in Row (9) 0.01% - ------------------------------------------------------------------------------- 12. Type of Reporting Person: BD, CO - ------------------------------------------------------------------------------- Item 1(a). Name of Issuer: Lyondell Chemical Company (the "Issuer) Item 1(b). Address of Issuer's Principal Executive Offices: 1221 McKinney Street, Suite 700, Houston, Texas 77010 Item 2(a). Name of Persons Filing: Merrill Lynch & Co., Inc. Merrill Lynch, Pierce, Fenner & Smith Incorporated Merrill Lynch International Merrill Lynch Bank & Trust Co., FSB Merrill Lynch Financial Markets, Inc. Item 2(b). Address of Principal Business Office or, if None, Residence:
Merrill Lynch & Co., Inc. Merrill Lynch, Pierce, Fenner & Smith Incorporated Merrill Lynch International 4 World Financial Center 4 World Financial Center 4 King Edward Street New York, New York 10080 New York, New York 10080 London, England EC1A 1HQ Merrill Lynch Bank & Trust Co., FSB Merrill Lynch Financial Markets, Inc. 1300 Merrill Lynch Drive, 3rd Floor 4 World Financial Center Pennington, NJ 08534 New York, New York 10080
Item 2(c). Citizenship: See Item 4 of cover pages Item 2(d). Title of Class of Securities: Common Stock, par value $1.00 per share Item 2(e). CUSIP Number: 552078107 Item 3. If This Statement is Filed Pursuant to ss.240.13d-1(b) or 240.13d-2(b) or (c), Check Whether the Person Filing is a: Merrill Lynch, Pierce, Fenner & Smith Incorporated ("MLPF&S") is a broker-dealer registered under Section 15 of the Exchange Act and a direct wholly-owned subsidiary of Merrill Lynch & Co. Inc. ("ML&Co."). Merrill Lynch International ("MLI") is a London-based broker-dealer in securities, a member of the International Securities Markets Association and its activities are regulated by the U.K. Securities and Futures Authority Limited and the London Stock Exchange. MLI is eligible to file this statement of beneficial ownership on Schedule 13G pursuant to a November 24, 1993 no-action letter from the Securities and Exchange Commission's Division of Corporation Finance (1993 SEC No-Act. LEXIS 1121 (November 24, 1993)). MLI is an indirect wholly-owned subsidiary of ML&Co. Merrill Lynch Bank & Trust Co. FSB ("MLB&T") is a Federal savings bank organized under U.S. Federal law and an indirect wholly-owned subsidiary of ML&Co. Merrill Lynch Financial Markets, Inc. ("MLFM") is registered with the Securities and Exchange Commission to act as an OTC derivatives dealer and is a direct wholly-owned subsidiary of ML&Co. ML&Co. is a parent holding company. Item 4. Ownership: (a) Amount Beneficially Owned: As of the close of business on May 9, 2007, MLPF&S owned directly 7,818,008 shares of the Issuer's common stock. This includes 6,990,070 shares of the Issuer's common stock that MLPF&S acquired on May 9, 2007 pursuant to a Stock Purchase Agreement with Occidental Petroleum Corporation and Occidental Chemical Holding Corporation ("OCHC") dated May 4, 2007 (the "Purchase Agreement"). MLPF&S is also party to a total return swap agreement with OCHC dated May 4, 2007 with respect to 14,000,000 shares of the Issuer's common stock (the "Swap Agreement"). ML&Co. has guaranteed performance of MLPF&S's obligations under such Swap Agreement. As of the close of business on May 9, 2007, MLI owned directly 87,933 shares of the Issuer's common stock. MLI entered into a postpaid share forward agreement with AI Chemical Investments LLC dated May 4, 2007 with respect to 20,990,770 shares of the Issuer's common stock (the "Postpaid Share Forward Agreement"). The Postpaid Share Forward Agreement may be settled in cash, shares or net shares. ML&Co has guaranteed performance of MLI's obligations under such Postpaid Share Forward Agreement. As of the close of business on May 9, 2007, MLB&T and MLFM owned directly 3,007 and 25,805 shares of the Issuer's common stock, respectively. (b) Percent of Class: See Item 11 of Cover Pages. (c) Number of Shares of which such person has: Sole Voting Power ..................See Item 5 of Cover Pages Shared Voting Power ................See Item 6 of Cover Pages Sole Dispositive Power .............See Item 7 of Cover Pages Shared Dispositive Power ...........See Item 8 of Cover Pages Item 5. Ownership of Five Percent or Less of a Class: This Item 5 is not applicable. Item 6. Ownership of More than Five Percent on Behalf of Another Person: This Item 6 is not applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person: See Item 3 above. Item 8. Identification and Classification of Members of the Group: This Item 8 is not applicable. Item 9. Notice of Dissolution of Group: This Item 9 is not applicable. Item 10. Certification: By signing below each of the Reporting Persons certifies that, to the best of their knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Page 10 of 12 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 11, 2007 MERRILL LYNCH & CO., INC. By: /s/ Cara Londin ----------------------------------- Name: Cara Londin Title: Assistant Secretary Date: May 11, 2007 MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED By: /s/ Cara Londin ----------------------------------- Name: Cara Londin Title: Assistant Secretary Date: May 11, 2007 MERRILL LYNCH INTERNATIONAL By: /s/ Brent Clapacs ----------------------------------- Name: Brent Clapacs Title: Managing Director Date: May 11, 2007 MERRILL LYNCH BANK & TRUST CO., FSB By: /s/ Jennifer Marre ----------------------------------- Name: Jennifer Marre Title: First Vice President Date: May 11, 2007 MERRILL LYNCH FINANCIAL MARKETS, INC. By: /s/ Thomas Watson ----------------------------------- Name: Thomas Watson Title: First Vice President Exhibit A to Schedule 13G Power of Attorney The undersigned, Merrill Lynch & Co., Inc. (the "Corporation"), a corporation duly organized under the laws of Delaware, with its principal place of business at World Financial Center, North Tower, 250 Vesey Street, New York, New York 10281 does hereby make, constitute and appoint Richard B. Alsop, Richard D. Kreuder, Andrea Lowenthal, Gregory T. Russo, or any other individual from time to time elected or appointed as secretary or an assistant secretary of the Corporation, acting severally, each of whose address is Merrill Lynch & Co., Inc., World Financial Center, North Tower, 250 Vesey Street, New York, New York 10281, as its true and lawful attorneys in-fact, for it and in its name, place and stead (i) to execute on behalf of the Corporation and cause to be filed and/or delivered, as required under Section 13(d) of the Securities Exchange Act of 1934 (the "Act") and the regulations thereunder, any number, as appropriate, of original, copies, or electronic filings of the Securities and Exchange Commission Schedule 13D or Schedule 13G Beneficial Ownership Reports (together with any amendments and joint filing agreements under Rule 13d-1(f)(1) of the Act, as may be required thereto) to be filed and/or delivered with respect to any equity security (as defined in Rule 13d-1(d) under the Act) beneficially owned by the undersigned and which must be reported by the undersigned pursuant to Section 13(d) of the Act and the regulations thereunder, (ii) to execute on behalf of the Corporation and cause to be filed and/or delivered, any number, as appropriate, of original, copies or electronic filings of any forms (including without limitation), Securities and Exchange Commission Forms 3, 4 and 5) required to be filed pursuant to Section 16(a) of the Act and the regulations thereunder, and (iii) generally to take such other actions and perform such other things necessary to effectuate the foregoing as fully in all respects as if the undersigned could do if personally present. This Power of Attorney shall remain in effect until revoked, in writing, by the undersigned. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney, this 17th day of November 1995. MERRILL LYNCH & Co., Inc. By: /s/ David H. Komansky ----------------------------- Name: David H. Komansky Title: President and Chief Operating Officer Exhibit B to Schedule 13G Power of Attorney The undersigned, Merrill Lynch, Pierce, Fenner & Smith Incorporated, (the "Corporation") a corporation duly organized under the laws of Delaware, with its principal place of business at World Financial Center, North Tower, 250 Vesey Street, New York, New York 10281 does hereby make, constitute and appoint Richard B. Alsop, Richard D. Kreuder, Andrea Lowenthal, Gregory T. Russo, or any other individual from time to time elected or appointed as secretary or an assistant secretary of the Corporation, acting severally, each of whose address is Merrill Lynch & Co., Inc., World Financial Center, North Tower, 250 Vesey Street, New York, New York, 10281 as its attorneys-in- fact, for it and in its name, place and stead (i) to execute on behalf of the Corporation and cause to be filed and/or delivered, as required under Section 13(d) of the Securities Exchange Act of 1934 (the "Act") and the regulations thereunder, any number, as appropriate, of original, copies, or electronic filings of the Securities and Exchange Commission Schedule 13D or Schedule 13G Beneficial Ownership Reports (together with any amendments and joint filing agreements under Rule 13d-1(f) (1) of the Act, as may be required thereto) to be filed and/or delivered with respect to any equity security (as defined in Rule 13d-1(d) under the Act) beneficially owned by the undersigned and which must be reported by the undersigned pursuant to Section 13(d) of the Act and the regulations thereunder, (ii) and generally to take such other actions and perform such other things necessary to effectuate the foregoing as fully in all respects as if the undersigned could do if personally present. This Power of Attorney shall remain in effect until revoked, in writing, by the undersigned. IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney, this 25th day of February, 1995. MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED By: /s/ David H. Komansky ------------------------- Name: David H. Komansky Title: President and Chief Operating Officer