SC 13D/A 1 nyc688841.txt SCHEDULE 13D - AMENDMENT SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D/A (Amendment No. 4) Under the Securities Exchange Act of 1934 METALDYNE CORPORATION ------------------------------------------------------------------------------- (Name of Issuer) COMMON STOCK, PAR VALUE $1.00 PER SHARE ------------------------------------------------------------------------------- (Title of Class of Securities) 574670105 ------------------------------------------------------------------------------- (CUSIP Number) Credit Suisse First Boston Equity Partners, L.P. Credit Suisse First Boston Equity Partners (Bermuda), L.P. Credit Suisse First Boston U.S. Executive Advisors, L.P. EMA Partners Fund 2000, L.P. EMA Private Equity Fund 2000, L.P. Credit Suisse (Bermuda) Limited Hemisphere Private Equity Partners, Ltd. Credit Suisse Investment Advisory Partners, LLC Credit Suisse Credit Suisse First Boston Fund Investments VI Holdings, LLC Credit Suisse First Boston Fund Investments VI-B (Bermuda), L.P. Merchant Capital, Inc. (Name of Persons Filing Statement) Ivy B. Dodes Credit Suisse Eleven Madison Avenue New York, New York 10010 (212) 325-2000 ------------------------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) 1 August 31, 2006 -------------------------------------------------------------------------------- (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. [ ] Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Section 240.13d-7 for other parties to whom copies are to be sent. * 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, as amended (the "Exchange Act") or otherwise subject to the liabilities of that section of the Exchange Act but shall be subject to all other provisions of the Exchange Act (however, see the Notes). 2 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Credit Suisse First Boston Equity Partners, L.P. 13-3994124 --------- ---------------------------------------------------------------------- 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) OO --------- ---------------------------------------------------------------------- 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 NUMBER OF 2,0697,282 shares of Common Stock, SHARES par value $1.00 BENEFICIALLY ----------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH 0 REPORTING PERSON WITH ----------------------------------------------- 9 SOLE DISPOSITIVE POWER 2,0697282 shares of Common Stock, par value $1.00 ----------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 ------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 7,402,831 shares of Common Stock, par value $1.00 --------- --------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] --------- --------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 17.64% --------- --------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) PN --------- --------------------------------------------------------------------- * By reason of CSFBEP entering into the Amended Stock Purchase Agreement, CSFBEP may be deemed to be a member of a "group" for the purposes of Section 13(d) of Securities Exchange Act of 1934. The members of such "group" are referenced in Item 2. As a "group" member CSFBEP could be deemed to beneficially own 36,017,697 shares of Common Stock, or 97% of the shares of Common Stock. See Items 2 and 5 below for further information and the other persons who may be deemed to part of such "group". 3 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Credit Suisse First Boston Equity Partners (Bermuda), L.P. 98-0191048 --------- ---------------------------------------------------------------------- 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) OO --------- ---------------------------------------------------------------------- 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) [ ] --------- ---------------------------------------------------------------------- 6. Citizenship or Place of Organization Bermuda -------------------------------------------- ------- --------------------------- 7 SOLE VOTING POWER NUMBER OF 2,0697,282 shares of Common Stock, SHARES par value $1.00 BENEFICIALLY ----------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH 0 REPORTING PERSON WITH ----------------------------------------------- 9 SOLE DISPOSITIVE POWER 2,0697,282 shares of Common Stock, par value $1.00 ----------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 ------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 2,0697,282 shares of Common Stock, par value $1.00 --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]* --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 4.93% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) PN --------- ---------------------------------------------------------------------- * By reason of CSFBEP Bermuda entering into the Amended Stock Purchase Agreement, CSFBEP Bermuda may be deemed to be a member of a "group" for the purposes of Section 13(d) of Securities Exchange Act of 1934. The members of such "group" are referenced in Item 2. As a "group" member CSFBEP Bermuda could be deemed to beneficially own 36,017,697 shares of Common Stock, or 97% of the shares of Common Stock. See Items 2 and 5 below for further information and other persons who may be deemed to be part of such "group". 4 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Credit Suisse First Boston U.S. Executive Advisors, L.P. 13-3751234 --------- ---------------------------------------------------------------------- 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) OO --------- ---------------------------------------------------------------------- 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 NUMBER OF 6,610 shares of Common Stock, SHARES par value $1.00 BENEFICIALLY ---------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH REPORTING ---------------------------------------------- PERSON WITH 9 SOLE DISPOSITIVE POWER 6,610 shares of Common Stock, par value $1.00 ---------------------------------------------- 10 SHARED DISPOSITIVE POWER ------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 6,610 shares of Common Stock, par value $1.00. --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]* --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) Less than 1% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) PN --------- ---------------------------------------------------------------------- * By reason of CSUSEA entering into the Amended Stock Purchase Agreement, CSUSEA may be deemed to be a member of a "group" for the purposes of Section 13(d) of Securities Exchange Act of 1934. The members of such "group" are referenced in Item 2. As a "group" member CSUSEA could be deemed to beneficially own 36,017,697 shares of Common Stock, or 97% of the shares of Common Stock. See Items 2 and 5 below for further information and other persons who may be deemed to be part of such "group". 5 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) EMA Partners Fund 2000, L.P. 13-4126806 --------- ---------------------------------------------------------------------- 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) OO --------- ---------------------------------------------------------------------- 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 NUMBER OF 533,168 shares of Common Stock SHARES par value $1.00 BENEFICIALLY ---------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH REPORTING ---------------------------------------------- PERSON WITH 9 SOLE DISPOSITIVE POWER 533,168 shares of Common Stock par value $1.00 ---------------------------------------------- 10 SHARED DISPOSITIVE POWER ------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 533,168 shares of Common Stock, par value $1.00. --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]* --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 1.27% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) PN --------- ---------------------------------------------------------------------- * By reason of EMA Partners entering into the Amended Stock Purchase Agreement, EMA Partners may be deemed to be a member of a "group" for the purposes of Section 13(d) of Securities Exchange Act of 1934. The members of such "group" are referenced in Item 2. As a "group" member EMA Partners could be deemed to beneficially own 36,017,697 shares of Common Stock, or 97% of the shares of Common Stock. See Items 2 and 5 below for further information and other persons who may be deemed to be part of such "group". 6 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) EMA Private Equity Fund 2000, L.P. 13-4126805 --------- ---------------------------------------------------------------------- 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) OO --------- ---------------------------------------------------------------------- 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 NUMBER OF 343,139 shares of Common Stock, SHARES par value $1.00 BENEFICIALLY ---------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH REPORTING ---------------------------------------------- PERSON WITH 9 SOLE DISPOSITIVE POWER 343,139 shares of Common Stock, par value $1.00 ---------------------------------------------- 10 SHARED DISPOSITIVE POWER ------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 343,139 shares of Common Stock, par value $1.00. --------- --------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]* --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) Less than 1% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) PN --------- ---------------------------------------------------------------------- * By reason of EMA Private Equity entering into the Amended Stock Purchase Agreement, EMA Private Equity may be deemed to be a member of a "group" for the purposes of Section 13(d) of Securities Exchange Act of 1934. The members of such "group" are referenced in Item 2. As a "group" member EMA Private Equity could be deemed to beneficially own 36,017,697 shares of Common Stock, or 97% of the shares of Common Stock. See Items 2 and 5 below for further information and other persons who may be deemed to be part of such "group". 7 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Credit Suisse (Bermuda) Limited (98-0186105) 13-5015677 --------- ---------------------------------------------------------------------- 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 Bermuda -------------------------------------------- ------- --------------------------- 7 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ----------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH REPORTING 876,307 shares of Common Stock PERSON WITH par value $1.00 ---------------------------------------------- 9 SOLE DISPOSITIVE POWER 0 ----------------------------------------------- 10 SHARED DISPOSITIVE POWER 876,307 shares of Common Stock par value $1.00 ------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 876,307 shares of Common Stock, par value $1.00. --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 2% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) CO --------- ---------------------------------------------------------------------- 8 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Hemisphere Private Equity Partners, Ltd. --------- ---------------------------------------------------------------------- 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 Bermuda -------------------------------------------------------------------------------- 7 SOLE VOTING POWER NUMBER OF SHARES 0 BENEFICIALLY ---------------------------------------------- OWNED BY 8 SHARED VOTING POWER EACH REPORTING 9,478,723 shares of Common Stock, PERSON WITH par value $1.00 ---------------------------------------------- 9 SOLE DISPOSITIVE POWER 0 ----------------------------------------------- 10 SHARED DISPOSITIVE POWER 9,478,723 shares of Common Stock, par value $1.00 -------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 9,478,723 shares of Common Stock, par value $1.00 --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 22.1% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) CO --------- ---------------------------------------------------------------------- 9 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Credit Suisse Investment Advisory Partners, LLC 13-3947082 --------- ---------------------------------------------------------------------- 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 NUMBER OF SHARES 0 ------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER OWNED BY EACH 10,355,030 shares of Common Stock, REPORTING par value $1.00 ------------------------------------------------- PERSON WITH 9 SOLE DISPOSITIVE POWER 0 ------------------------------------------------- 10 SHARED DISPOSITIVE POWER 10,355,030 shares of Common Stock, par value $1.00 ------------------------------------------------------------------------------- 11. Aggregate Amount Beneficially Owned by Each Reporting Person 10,355,030 shares of Common Stock, par value $1.00. --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) 24.1% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) IA --------- ---------------------------------------------------------------------- 10 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Credit Suisse First Boston Fund Investments VI Holdings, LLC (13-4125840) --------- ---------------------------------------------------------------------- 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) OO --------- ---------------------------------------------------------------------- 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 NUMBER OF SHARES 0 ------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER OWNED BY EACH 143,272 shares of Common Stock, REPORTING par value $1.00 - See Items 2 and 5 below ------------------------------------------------- PERSON WITH 9 SOLE DISPOSITIVE POWER 0 ------------------------------------------------- 10 SHARED DISPOSITIVE POWER 143,272 shares of Common Stock, par value $1.00 - See Items 2 and 5 below ----------------------- ------- ------------------------------------------------ 11. Aggregate Amount Beneficially Owned by Each Reporting Person 143,272 shares of Common Stock, par value $1.00 - See Items 2 and 5 below --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]* --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) Less than 1% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) OO --------- ---------------------------------------------------------------------- * By reason of CSFB Fund VI entering into the Amended Stock Purchase Agreement, CSFB Fund VI may be deemed to be a member of a "group" for the purposes of Section 13(d) of Securities Exchange Act of 1934. The members of such "group" are referenced in Item 2. As a "group" member CSFB Fund VI could be deemed to beneficially own 36,017,697 shares of Common Stock, or 97% of the shares of Common Stock. See Items 2 and 5 below for further information and other persons who may be deemed to be part of such "group". 11 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Credit Suisse First Boston Fund Investments VI-B (Bermuda), L.P. (98-0216299) --------- ---------------------------------------------------------------------- 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) 00 --------- ---------------------------------------------------------------------- 5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) [ ] --------- ---------------------------------------------------------------------- 6. Citizenship or Place of Organization Bermuda -------------------------------------------- ------- --------------------------- 7 SOLE VOTING POWER NUMBER OF SHARES 0 ------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER OWNED BY EACH 34,243 shares of Common Stock, REPORTING par value $1.00 - See Item s 2 and 5 below. ------------------------------------------------- PERSON WITH 9 SOLE DISPOSITIVE POWER 0 ------------------------------------------------- 10 SHARED DISPOSITIVE POWER 34,243 shares of Common Stock, par value $1.00 - See Item s 2 and 5 below. ----------------------- ------- ------------------------------------------------ 11. Aggregate Amount Beneficially Owned by Each Reporting Person 34,243 shares of Common Stock, par value $1.00 - See Items 2 and 5 below. --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X]* --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) Less than 1% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) OO --------- ---------------------------------------------------------------------- * By reason of CSFB Fund VI-B entering into the Amended Stock Purchase Agreement, CSFB Fund VI-B may be deemed to be a member of a "group" for the purposes of Section 13(d) of Securities Exchange Act of 1934. The members of such "group" are referenced in Item 2. As a "group" member CSFB Fund VI-B could be deemed to beneficially own 36,017,697 shares of Common Stock, or 97% of the shares of Common Stock. See Items 2 and 5 below for further information and other persons who may be deemed to be part of such "group". 12 --------- ---------------------------------------------------------------------- 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Merchant Capital, Inc. (13-3751234) --------- ---------------------------------------------------------------------- 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) --------- ---------------------------------------------------------------------- 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 NUMBER OF 177,515 shares of Common Stock, SHARES par value $1.00 - See Item [ ]. ------------------------------------------------- BENEFICIALLY 8 SHARED VOTING POWER OWNED BY EACH 0 REPORTING ------------------------------------------------- PERSON WITH 9 SOLE DISPOSITIVE POWER 177,515 shares of Common Stock, par value $1.00 - See Item [ ]. ------------------------------------------------- 10 SHARED DISPOSITIVE POWER 0 ----------------------- ------- ------------------------------------------------ 11. Aggregate Amount Beneficially Owned by Each Reporting Person 177,515 shares of Common Stock, par value $1.00 - See Item [ ]. --------- ---------------------------------------------------------------------- 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) [X] --------- ---------------------------------------------------------------------- 13. Percent of Class Represented by Amount in Row (11) Less than 1% --------- ---------------------------------------------------------------------- 14. Type of Reporting Person (See Instructions) OO --------- ---------------------------------------------------------------------- 13 This statement on Schedule 13D/A (the "Statement") is being filed as Amendment No. 4 to the statement on Schedule 13D originally filed with the Securities and Exchange Commission (the "SEC") on December 8, 2000 (the "Original Statement"), as amended by Amendment No. 1 to the Statement on Schedule 13D filed with the SEC on December 15, 2000 (the "First Amendment"), as amended by Amendment No. 2 to the Statement on Schedule 13D filed with the SEC on November 24, 2006 (the "Second Amendment") and as further amended by Amendment No.3 to the Statement on Schedule 13D filed with the SEC on December 5, 2006 (the "Third Amendment"). Capitalized terms used but not defined herein have the meaning set forth in the Original Statement, the First Amendment; the Second Amendment or Third Amendment as applicable. Item 2. Identity and Background Item 2 is hereby amended by adding the following: This Statement is also being filed by Credit Suisse First Boston Fund Investments VI Holdings, LLC ("CSFB Fund VI), Credit Suisse First Boston Fund Investments VI-B (Bermuda), L.P. ("CSFB Fund VI-B", together with CSFB Fund VI, the "CSFB Funds"), and Merchant Capital, Inc. ("Merchant Capital"). The CSFB Funds, Merchant Capital and the CS Funds (as defined in the Second Amendment) (collectively the "CS Entities") are making this single joint filing because they may be deemed to constitute a "group" within the meaning of Section 13(d) of the Securities Exchange Act of 1934, although neither the fact of this joint filing nor anything contained herein shall be deemed an admission by any of the CS Entities that such CS Entity is a member of the "group" or that such a "group" exists. The agreement among the CS Entities to file jointly is attached hereto as Exhibit 1. Each of the CS Funds and the CSFB Funds disclaim beneficial ownership of all shares of Common Stock, other than those reported herein as being owned by the CS Funds or CSFB Funds. The principal business of each of the CSFB Funds and Merchant Capital is to invest in and trade securities. The principal office and business address of each of CSFB Fund VI and Merchant Capital is located at Eleven Madison Avenue, New York, NY 10010. The principal office and business address of CSFB Fund VI-B is located at Thistle House, 4 Burnaby Street, Hamilton HM 12, Bermuda. CSFB Fund VI does not have elected officers, but instead is controlled equally by three managing members, Credit Suisse First Boston Fund Investments VI, L.P., Credit Suisse First Boston Fund Investments VI-Side Partnership, L.P., and Credit Suisse First Boston Investment Partnership VI (Bermuda), L.P (the "Managing Members"). Merchant Capital is the general partner of each of the Managing Members and thus controls their affairs, and ultimately controls the affairs of CSFB Fund VI. Merchant Capital is the general partner of CSFB Fund VI-B and thus manages and controls its affairs. The names, business address, present principal occupations or employment and citizenships of the directors and executive officers of Merchant Capital are set forth on the attached Schedule 1, which is incorporated herein by reference. 14 Neither of the CSFB Funds nor Merchant Capital has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). None of the persons identified on Schedule 1 hereto has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). Neither of the CSFB Funds nor Merchant Capital has, during the last five years, been party to any civil proceedings as a result of which it was subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violations with respect to such laws. None of the persons identified on Schedule 1 hereto has, during the last five years, been party to any civil proceedings as a result of which such person was subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violations with respect to such laws. By reason of the CSFB Funds and CS Funds entering into the Amended Stock Purchase Agreement (as defined and described in the Third Amendment to this Statement), which is incorporated herein by reference, the: a. CSFB Funds, Merchant Capital, the CS Funds; b. Heartland Industrial Associates L.L.C., Heartland Industrial Partners, L.P., HIP Side-By-Side Partners, L.P., Metaldyne Investment Fund I, LLC, Metaldyne Investment Fund II, LLC, Heartland Industrial Partners (FF), L.P., and Heartland Industrial Partners (C1), L.P. (together the "Reporting Heartland Entities"); c. the Richard and Jane Manoogian Foundation, and Richard Manoogian (together the "Reporting Manoogian Persons"); d. Wachovia Capital Partners 2000, LLC ("Wachovia"); e. BancBoston Capital, Inc., and Private Equity Portfolio Fund II, LLC (together the "Reporting Bank of America Entities"); f. Metropolitan Life Insurance Company ("MetLife"); g. Equity Asset Investment Trust ("EAIT"); h. Annex Holdings I LP and 75 Wall Street Associates LLC (together the "Reporting Allianz Entities"); i. Long Point Capital Fund, L.P. and Long Point Capital Partners, L.L.C. (together the "Reporting Long Point Entities"); j. Graham Partners Investments, L.P., Graham Partners Investments (A), L.P. and Graham Partners Investments (B), L.P. (together the "Reporting Graham Partners Entities"); k. CRM 1999 Enterprise Fund, LLC ("CRM"); l. Masco Corporation; and m. Certain of the other Principal Company Stockholders (as defined in the Third Amendment); may be deemed to be members of a "group" for the purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Accordingly, the CS Entities may be deemed to be a member of a "group" and although the CS Entities do not affirm that such a "group" has been formed, this disclosure is being made to ensure compliance with the Exchange Act and the CS Entities may be deemed to be "beneficial owner" of all of the shares of Common Stock owned and held by each of the above named entities. Additionally, the signing of the Amended Stock Purchase Agreement by the Reporting Heartland Entities, Reporting Manoogian Persons, Wachovia, Reporting Bank of America Entities, MetLife, FAIT, Reporting Allianz Entities, Reporting Long Point Entities, Reporting Graham Partner Entities, CRM, and Masco Corporation, and certain of the other Principal Company Stockholders ( as defined in the Third Amendment), (collectively the "Other Entities") may cause such entities to be deemed part of the "group" along with the CS Entities. However, each of such Other Entities may file their own Schedule 13D separately and apart from the CS Entities. Collectively the above referenced entities represent, in the aggregate, the beneficial owners of 36,017,697 shares of Common Stock, 15 such figure representing 97% of the shares of Common Stock. The CS Entities expressly disclaim beneficial ownership of shares of Common Stock held by any other person or entity other than, to the extent of any pecuniary interest therein, the various accounts under the CS Entities' management and control. Item 3. Source and Amount of Funds or Other Consideration The CSFB Funds acquired a beneficial ownership in 177,515 shares of Common Stock. Collectively, the CSFB Fund VI and the CSFB Fund VI-B contributed an aggregate of $3,000,000 to the Issuer in exchange for an aggregate of 177,515 shares of Common Stock of the Issuer. The cash consideration for the shares of Common Stock of the Issuer came from funds available for investment of CSFB Fund VI and CSFB Fund VI-B. Item 5. Interest in Securities of the Issuer. Item 5 is hereby amended by adding the following: As described in Item 2, Merchant Capital may be deemed to indirectly beneficially own 177,515 shares of Common Stock, representing less than 1% beneficial ownership of the Common Stock. CSFB Fund VI directly owns 143,272 shares of Common Stock and CSFB Fund VI-B directly owns 34,243 shares of Common Stock. Merchant Capital has the sole power to vote or dispose of 177,515 shares of Common Stock. By reason of the CS Entities entering into the Amended Stock Purchase Agreement with the Other Entities, they may be deemed to be members of a "group" for the purposes of Section 13(d) of the Exchange Act. Although the CS Entities do not affirm that such a "group" has been formed, this disclosure is being made to ensure compliance with the Exchange Act and the CS Entities may be deemed to be "beneficial owner" of all of the shares of Common Stock owned and held as follows: Metaldyne Investment Fund I, LLC, Heartland Industrial Partners, L.P. - 17,277,081 shares of Common Stock, HIP Side-by-Side Partners, L.P. - 1,050,363 shares of Common Stock, Metaldyne Investment Fund II, LLC, Heartland Industrial Partners, L.P. - 253,728 shares of Common Stock, Masco Corporation - 2,161,348 shares of Common Stock, Richard and Jane Manoogian Foundation - 573,463 shares of Common Stock, 16 Richard Manoogian - 538,696 shares of Common Stock, First Union Capital Partners, LLC - 1,385,513 shares of Common Stock, BancBoston Capital Inc. - 667,099 shares of Common Stock, Metropolitan Life Insurance Company - 513,153 shares of Common Stock, Equity Asset Investment Trust - 513,153 shares of Common Stock, Annex Holdings I LP Annex Capital Partners LLC - 513,153 shares of Common Stock, LongPoint Capital Fund, L.P. - 503,881 shares of Common Stock, LongPoint Capital Partners, L.L.C. - 9,272 shares of Common Stock, 75 Wall Street Associates LLC - 256,576 shares of Common Stock, Graham Partners Investments, L.P. - 235,133 shares of Common Stock, Graham Partners Investments (A), L.P. - 142,975 shares of Common Stock, Graham Partners Investments (B), L.P. - 135,044 shares of Common Stock, Private Equity Portfolio Fund II, LLC - 102,630 shares of Common Stock, and CRM 1999 Enterprise Fund, LLC - 51,316 shares of Common Stock. In the aggregate, the aforementioned entities comprise the beneficial owners of 36,017,697 shares of Common Stock, such figure representing 97% of the shares of Common Stock. The Other Entities may file their own Schedule 13D separately and apart from the CS Entities. Each of the CS Funds and the CSFB Funds expressly disclaim beneficial ownership of shares of Common Stock held by any other person or entity other than, to the extent of any pecuniary interest therein, the various accounts under the CS Entities' management and control. Neither the filing of this amendment nor any of its contents shall be deemed to constitute an admission by a CS Entity that it is the beneficial owner of any shares of Common Stock other than those which such CS Entity acquired in its own capacity, or received by way of dividends. Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer. Item 6 is hereby amended by adding the following: Pursuant to Rule 13d-1(k) promulgated under the Exchange Act, the CS Entities have entered into an agreement with respect to the joint filing of this amendment to the Statement, which is attached as Exhibit 1 and is incorporated herein by reference. Item 7. Exhibits 1. Joint Filing Agreement, dated as of December 18, 2006, by and between the CS Entities. 17 SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth herein is true, complete and correct. CREDIT SUISSE FIRST BOSTON EQUITY PARTNERS, L.P. By: Hemisphere Private Equity Partners, Ltd., Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Attorney-In-Fact CREDIT SUISSE FIRST BOSTON EQUITY PARTNERS (BERMUDA), L.P By: Hemisphere Private Equity Partners, Ltd., Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Attorney-In-Fact EMA PARTNERS FUND 2000, L.P By: Credit Suisse(Bermuda) Limted Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President EMA PRIVATE EQUITY FUND 2000, L.P By: Credit Suisse (Bermuda) Limted Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President Its General Partner CREDIT SUISSE FIRST BOSTON U.S. EXECUTIVE ADVISORS, L.P. By: Hemisphere Private Equity Partners, Ltd., Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Attorney-In-Fact CREDIT SUISSE INVESTMENT ADVISORY PARTNERS, LLC By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President 18 CREDIT SUISSE acting solely on behalf of the Investment Banking division By: /s/ Ivy Dodes -------------------------- Name: Ivy Dodes CREDIT SUISSE FIRST BOSTON (BERMUDA) LIMITED. By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President HEMISPHERE PRIVATE EQUITY PARTNERS, LTD. By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President CREDIT SUISSE FIRST BOSTON FUND INVESTMENTS VI HOLDINGS, LLC By: Credit Suisse First Boston Fund Investments VI, L.P., Its Managing Member By: Credit Suisse First Boston Fund Investments VI-Side Partnership, L.P., Its Managing Member By: Credit Suisse First Boston Fund Investments VI, (Bermuda), L.P., Its Managing Member By: Merchant Capital, Inc., the General Partner of the foregoing entities By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President 19 CREDIT SUISSE FIRST BOSTON FUND INVESTMENTS VI-B (BERMUDA), L.P. By: Merchant Capital, Inc., Its General Partner By: /s/ Kenneth Lohsen --------------------------- Name: Kenneth Lohsen Title: Vice President MERCHANT CAPITAL, INC. By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President Dated: December 18, 2006 20 SCHEDULE 1 EXECUTIVE OFFICERS AND DIRECTORS OF MERCHANT CAPITAL, INC. The following sets forth the name, business address, present principal occupation and citizenship of each executive officer and director of Merchant Capital, Inc. The business address of Merchant Capital, Inc. is Eleven Madison Avenue, New York, New York 10010, USA.
Name Business Address Title Citizenship ---- ---------------- ----- ----------- Nicole S. Arnaboldi Eleven Madison Avenue Board Member and Vice President United States New York, NY 10010 USA Ivy B. Dodes Eleven Madison Avenue Board Member and Vice President United States New York, NY 10010 USA George R. Hornig Eleven Madison Avenue Board Member and Chief Administrative United States New York, NY 10010 and Financial Officer USA Kenneth J. Lohsen Eleven Madison Avenue Vice President United States New York, NY 10010 USA Joseph F. Huber 300 Conshohocken State Road Chief Executive Officer and President United States Suite 600 Conshohocken, PA 19428 Peter F. Feeney Eleven Madison Avenue Treasurer United States New York, NY 10010 USA Michael Arpey Eleven Madison Avenue Vice President United States New York, NY 10010 USA George F. Boutros Eleven Madison Avenue Vice President United States New York, NY 10010 USA William J. Brady Eleven Madison Avenue Vice President United States New York, NY 10010 USA Matthew Kelly Eleven Madison Avenue Vice President United States New York, NY 10010 USA David M. Russell Eleven Madison Avenue Vice President United States New York, NY 10010 USA
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Name Business Address Title Citizenship ---- ---------------- ----- ----------- William L. Spiro Eleven Madison Avenue Vice President United States New York, NY 10010 USA Emidio Morizio Eleven Madison Avenue Chief Compliance Officer United States New York, NY 10010 USA Edward S. Nadel Eleven Madison Avenue Vice President United States New York, NY 10010 USA John S. Ficarra Eleven Madison Avenue Vice President United States New York, NY 10010 USA Douglas Roseman Eleven Madison Avenue Deputy Director of Taxes and Vice United States New York, NY 10010 President USA Albert A. Scarola Eleven Madison Avenue Deputy Director of Taxes and Vice United States New York, NY 10010 President USA Thomas Prevost Eleven Madison Avenue Director of Taxes and Vice President United States New York, NY 10010 USA
22 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, each of the persons named below agrees to the joint filing of a Statement on Schedule 13D (including amendments thereto) with respect to the common stock, $1.00 par value per share, of Metaldyne Corporation, a Delaware corporation, and further agrees that this Joint Filing Agreement be included as an exhibit to such filings; provided, that, as contemplated by Section 13d-1(k)(1)(ii), no person shall be responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. CREDIT SUISSE FIRST BOSTON EQUITY PARTNERS, L.P. By: Hemisphere Private Equity Partners, Ltd., Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Attorney-In-Fact CREDIT SUISSE FIRST BOSTON EQUITY PARTNERS (BERMUDA), L.P By: Hemisphere Private Equity Partners, Ltd., Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Attorney-In-Fact EMA PARTNERS FUND 2000, L.P By: Credit Suisse (Bermuda) Limited, Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President EMA PRIVATE EQUITY FUND 2000, L.P By: Credit Suisse (Bermuda) Limited, Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President CREDIT SUISSE FIRST BOSTON U.S. EXECUTIVE ADVISORS, L.P. By: Hemisphere Private Equity Partners, Ltd., Its General Partner By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Attorney-In-Fact 23 CREDIT SUISSE INVESTMENT ADVISORY PARTNERS, LLC By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President CREDIT SUISSE acting solely on behalf of the Investment Banking division By: /s/ Ivy Dodes ------------------------- Name: Ivy Dodes CREDIT SUISSE FIRST BOSTON (BERMUDA) LIMITED. By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President HEMISPHERE PRIVATE EQUITY PARTNERS, LTD. By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Attorney-in-Fact CREDIT SUISSE FIRST BOSTON FUND INVESTMENTS VI HOLDINGS, LLC By: Credit Suisse First Boston Fund Investments VI, L.P. Its Managing Member By: Credit Suisse First Boston Fund Investments VI-Side Partnership, L.P. Its Managing Member By: Credit Suisse First Boston Fund Investments VI, (Bermuda), L.P. Its Managing Member By: Merchant Capital, INC., the General Partner of the foregoing entities By: /s/ Kenneth Lohsen -------------------------- Name: Kenneth Lohsen Title: Vice President CREDIT SUISSE FIRST BOSTON FUND INVESTMENTS VI-B (BERMUDA), L.P. By: Merchant Capital, Inc., Its General Partner By: /s/ Kenneth Lohsen --------------------------- Name: Kenneth Lohsen Title: Vice President 24 MERCHANT CAPITAL, INC. By: ---------------------------- Name: Kenneth Lohsen Title: Vice President Dated: December 18,2006 25