================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 2)* NIDEC CORPORATION (Name of Issuer) COMMON STOCK (Title of Class of Securities) 654090109 (CUSIP Number) DECEMBER 31, 2006 (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). ================================================================================ ----------------------- CUSIP NO. 654090109 ----------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entities Only) Mitsubishi UFJ Financial Group, Inc. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Tokyo, Japan -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 6,138,828 ------------------------------------------------ BENEFICIALLY 6 SHARED VOTING POWER OWNED BY -0- ------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING 6,138,828 ------------------------------------------------ PERSON 8 SHARED DISPOSITIVE POWER WITH -0- -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,138,828 -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.2% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (See Instructions) CO -------------------------------------------------------------------------------- Page 2 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entities Only) The Bank of Tokyo-Mitsubishi UFJ, Ltd. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Tokyo, Japan -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 3,014,144 ------------------------------------------------ BENEFICIALLY 6 SHARED VOTING POWER OWNED BY -0- ------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING 3,014,144 ------------------------------------------------ PERSON 8 SHARED DISPOSITIVE POWER WITH -0- -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,014,144 -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 2.1% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (See Instructions) CO -------------------------------------------------------------------------------- Page 3 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entities Only) Mitsubishi UFJ Trust and Banking Corporation -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Tokyo, Japan -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 2,310,800 ------------------------------------------------ BENEFICIALLY 6 SHARED VOTING POWER OWNED BY -0- ------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING 2,310,800 ------------------------------------------------ PERSON 8 SHARED DISPOSITIVE POWER WITH -0- -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,310,800 -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.6% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (See Instructions) CO -------------------------------------------------------------------------------- Page 4 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entities Only) Mitsubishi UFJ Securities Co., Ltd. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Tokyo, Japan -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 88,884 ------------------------------------------------ BENEFICIALLY 6 SHARED VOTING POWER OWNED BY -0- ------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING 88,884 ------------------------------------------------ PERSON 8 SHARED DISPOSITIVE POWER WITH -0- -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 88,884 -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (See Instructions) CO -------------------------------------------------------------------------------- Page 5 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entities Only) Mitsubishi UFJ Asset Management Co., Ltd. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Tokyo, Japan -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 226,000 ------------------------------------------------ BENEFICIALLY 6 SHARED VOTING POWER OWNED BY -0- ------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING 226,000 ------------------------------------------------ PERSON 8 SHARED DISPOSITIVE POWER WITH -0- -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 226,000 -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.2% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (See Instructions) CO -------------------------------------------------------------------------------- Page 6 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entities Only) Mitsubishi UFJ Asset Management (UK) Ltd. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION London, United Kingdom -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 400 ------------------------------------------------ BENEFICIALLY 6 SHARED VOTING POWER OWNED BY -0- ------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING 400 ------------------------------------------------ PERSON 8 SHARED DISPOSITIVE POWER WITH -0- -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 400 -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.0% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (See Instructions) CO -------------------------------------------------------------------------------- Page 7 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entities Only) MU Investments Co., Ltd. -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [_] -------------------------------------------------------------------------------- 3 SEC USE ONLY -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Tokyo, Japan -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 499,000 ------------------------------------------------ BENEFICIALLY 6 SHARED VOTING POWER OWNED BY -0- ------------------------------------------------ EACH 7 SOLE DISPOSITIVE POWER REPORTING 499,000 ------------------------------------------------ PERSON 8 SHARED DISPOSITIVE POWER WITH -0- -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 499,000 -------------------------------------------------------------------------------- 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [_] -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.3% -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON (See Instructions) CO -------------------------------------------------------------------------------- Page 8 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- ITEM 1 (a) NAME OF ISSUER Nidec Corporation (b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES 338 Kuzetonoshiro-cho, Minami-ku, Kyoto 601-8205, Japan ITEM 2 (a) NAMES OF PERSONS FILING Mitsubishi UFJ Financial Group, Inc. ("MUFG") The Bank of Tokyo-Mitsubishi UFJ, Ltd. ("BTMU") Mitsubishi UFJ Trust and Banking Corporation ("MUTB") Mitsubishi UFJ Securities Co., Ltd. ("MUS") Mitsubishi UFJ Asset Management Co., Ltd. ("MUAM") Mitsubishi UFJ Asset Management (UK) Ltd. ("MUAMUK") MU Investments Co., Ltd. ("MUI") (b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE MUFG: 7-1 Marunouchi 2-chome, Chiyoda-ku Tokyo 100-8330, Japan BTMU: 7-1 Marunouchi 2-chome, Chiyoda-ku Tokyo 100-8388, Japan MUTB: 4-5 Marunouchi 1-chome, Chiyoda-ku Tokyo 100-8212, Japan MUS: 4-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 100-6317, Japan MUAM: 4-5 Marunouchi 1-chome, Chiyoda-ku Tokyo 100-8212, Japan MUAMUK 12-15 Finsbury Circus, London, EC2M 7BT United Kingdom Page 9 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- MUI: 2-15 Nihonbashi Muromachi 3-chome, Chuo-ku Tokyo 103-0022, Japan (c) CITIZENSHIP Not applicable. (d) TITLE OF CLASS OF SECURITIES Common Stock (e) CUSIP NUMBER 654090109 ITEM 3 IF THIS STATEMENT IS FILED PURSUANT TO SECTION 240.13d-1(b) OR 240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: MUFG: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as fined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F); (g) [X] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J). BTMU: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [X] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as fined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E); Page 10 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- (f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J). MUTB: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [X] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as fined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J). MUS: (a) [X] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as fined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G); Page 11 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- (h) [ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J). MUAM: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as fined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [X] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J). MUAMUK: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as fined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [X] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); Page 12 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J). MUI: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as fined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [X] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with section 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(J). ITEM 4 OWNERSHIP Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. For MUFG (a) Amount Beneficially Owned: 6,138,828 (b) Percent of Class: 4.24% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 6,138,828 (ii) Shared power to vote or to direct the vote: -0- (iii) Sole power to dispose or to direct the disposition of: 6,138,828 (iv) Shared power to dispose or to direct the disposition of: -0- For BTMU (a) Amount Beneficially Owned: 3,014,144 (b) Percent of Class: 2.08% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 3,014,144 Page 13 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- (ii) Shared power to vote or to direct the vote: -0- (iii) Sole power to dispose or to direct the disposition of: 3,014,144 (iv) Shared power to dispose or to direct the disposition of: -0- For MUTB (a) Amount Beneficially Owned: 2,310,800 (b) Percent of Class: 1.60% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 2,310,800 (ii) Shared power to vote or to direct the vote: -0- (iii) Sole power to dispose or to direct the disposition of: 2,310,800 (iv) Shared power to dispose or to direct the disposition of: -0- For MUS (a) Amount Beneficially Owned: 88,884 (b) Percent of Class: 0.06% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 88,884 (ii) Shared power to vote or to direct the vote: -0- (iii) Sole power to dispose or to direct the disposition of: 88,884 (iv) Shared power to dispose or to direct the disposition of: -0- For MUAM (a) Amount Beneficially Owned: 226,000 (b) Percent of Class: 0.16% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 226,000 (ii) Shared power to vote or to direct the vote: -0- (iii) Sole power to dispose or to direct the disposition of: 226,000 (iv) Shared power to dispose or to direct the disposition of: -0- For MUAMUK (a) Amount Beneficially Owned: 400 (b) Percent of Class: 0.00% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 400 Page 14 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- (ii) Shared power to vote or to direct the vote: -0- (iii) Sole power to dispose or to direct the disposition of: 400 (iv) Shared power to dispose or to direct the disposition of: -0- For MUI (a) Amount Beneficially Owned: 499,000 (b) Percent of Class: 0.34% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 499,000 (ii) Shared power to vote or to direct the vote: -0- (iii) Sole power to dispose or to direct the disposition of: 499,000 (iv) Shared power to dispose or to direct the disposition of: -0- ITEM 5 OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS If this statement is being filed to report the fact that as of December 31, 2006, the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: [X] ITEM 6 OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON Not applicable. ITEM 7 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY As of December 31, 2006, MUFG beneficially owns 6,138,828 shares indirectly through its subsidiaries as follows: BTMU holds 3,014,144 shares; MUTB holds 2,310,800 shares; MUS holds 88,884 shares; MUAM holds 226,000 shares (including 400 shares indirectly held through MUAM's subsidiary, MUAMUK); and MUI holds 499,000 shares. ITEM 8 IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP Not applicable. ITEM 9 NOTICE OF DISSOLUTION OF GROUP Not applicable. ITEM 10 CERTIFICATION By signing below the filers certify that, to the extent of their best knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were Page 15 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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 16 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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: January 31, 2007 MITSUBISHI UFJ FINANCIAL GROUP, INC. By: /s/ Takami Onodera ------------------------------ Name: Takami Onodera Title: General Manager, Credit & Investment Management Division Page 17 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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: January 31, 2007 THE BANK OF TOKYO-MITSUBISHI UFJ, LTD. By: /s/ Takami Onodera -------------------------------- Name: Takami Onodera Title: General Manager, Credit Policy & Planning Division Page 18 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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: January 31, 2007 MITSUBISHI UFJ TRUST AND BANKING CORPORATION By: /s/ Koji Kawakami ------------------------------------- Name: Koji Kawakami Title: Deputy General Manager of Trust Assets Planning Division Page 19 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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: January 31, 2007 MITSUBISHI UFJ SECURITIES CO., LTD. By: /s/ Akio Sashida ----------------------------- Name: Akio Sashida Title: Executive Officer & General Manager Page 20 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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: January 31, 2007 MITSUBISHI UFJ ASSET MANAGEMENT CO., LTD. By: /s/ Yasushi Inoue ----------------------------------- Name: Yasushi Inoue Title: General Manager of Risk Management Division Page 21 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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: January 31, 2007 MITSUBISHI UFJ ASSET MANAGEMENT (UK) LTD. By: /s/ Hiroyuki Mori ----------------------------------- Name: Hiroyuki Mori Title: Managing Director & CE Page 22 of 23 ----------------------- CUSIP NO. 654090109 ----------------------- 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: January 31, 2007 MU INVESTMENTS CO., LTD. By: /s/ Kenji Fujii --------------------------- Name: Kenji Fujii Title: General Manager of Risk Management Dept. Page 23 of 23