================================================================================

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                  SCHEDULE 13G
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                              (AMENDMENT NO. ____)*


                                NIDEC CORPORATION
                               -------------------
                                (Name of Issuer)


                                  COMMON STOCK
                         ------------------------------
                         (Title of Class of Securities)


                                    654090109
                                 --------------
                                 (CUSIP Number)


                                 OCTOBER 1, 2005
             -------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

         [_]  Rule 13d-1(b)

         [X]  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 (Entitles 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                          7,663,572
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER
                       
       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER
                       
       REPORTING                        7,663,572
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER
                       
         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       7,663,572
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       5.4%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                                  Page 2 of 20



-----------------------
CUSIP NO. 654090109
-----------------------

--------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entitles only)

       The Bank of Tokyo-Mitsubishi, 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 BOX 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 20



-----------------------
CUSIP NO. 654090109
-----------------------

--------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entitles 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                          2,916,700
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER
                       
       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER
                       
       REPORTING                        2,916,700
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER
                       
         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       2,916,700
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       2.0%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                                  Page 4 of 20


-----------------------
CUSIP NO. 654090109
-----------------------

--------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entitles 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                          434,428
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER
                       
       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER
                       
       REPORTING                        434,428
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER
                       
         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       434,428
--------------------------------------------------------------------------------
  10   CHECK BOX 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 5 of 20



-----------------------
CUSIP NO. 654090109
-----------------------

--------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entitles only)

       Mitsubishi UFJ Securities International plc
--------------------------------------------------------------------------------
  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                          199,355
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER
                       
       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER
                       
       REPORTING                        199,355
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER
                       
         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       199,355
--------------------------------------------------------------------------------
  10   CHECK BOX 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 6 of 20



-----------------------
CUSIP NO. 654090109
-----------------------

--------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entitles 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                          383,300
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER
                       
       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER
                       
       REPORTING                        383,300
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER
                       
         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       383,300
--------------------------------------------------------------------------------
  10   CHECK BOX 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 7 of 20


-----------------------
CUSIP NO. 654090109
-----------------------

--------------------------------------------------------------------------------
  1    NAME OF REPORTING PERSON
       I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (Entitles 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                          915,000
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER
                       
       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER
                       
       REPORTING                        915,000
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER
                       
         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       915,000
--------------------------------------------------------------------------------
  10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       0.6%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                                  Page 8 of 20



-----------------------
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, Ltd.  ("BTM")

                  Mitsubishi UFJ Trust and Banking Corporation  ("MUTB")

                  Mitsubishi UFJ Securities Co., Ltd.  ("MUS")

                  Mitsubishi UFJ Securities International plc  ("MUSI")

                  Mitsubishi UFJ Asset Management Co., Ltd.  ("MUAM")

                  MU Investments Co., Ltd.  ("MUI")

         (b)      ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE

                  MUFG:
                  7-1 Marunouchi 2-chome, Chiyoda-ku
                  Tokyo 100-8388, Japan

                  BTM:
                  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

                  MUSI:
                  6 Broadgate, London EC2M 2AA,
                  United Kingdom

                  MUAM:
                  4-5 Marunouchi 1-chome, Chiyoda-ku
                  Tokyo 100-8212, Japan


                                  Page 9 of 20



-----------------------
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 SECTIONS 240.13d-1(b)
                  OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

                  (a)  [_]  Broker dealer registered under section 15 of the 
                            Act (15 U.S.C. 780).

                  (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
                            240.13d-1(b) (1) (ii) (E);

                  (f)  [_]  An employee benefit plan or endowment fund in
                            accordance with 240.13d-1(b) (1) (ii) (F);

                  (g)  [_]  A parent holding company or control person in
                            accordance with 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 240.13d.



                                 Page 10 of 20


-----------------------
CUSIP NO. 654090109
-----------------------



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:                                             7,663,572

                  (b)   Percent of Class:                                                          5.37%

                  (c)   Number of shares as to which such person has:

                        (i)    Sole power to vote or to direct the vote:                       7,663,572

                        (ii)   Shared power to vote or to direct the vote:                           -0-

                        (iii)  Sole power to dispose or to direct the disposition of:          7,663,572

                        (iv)   Shared power to dispose or to direct the disposition of:              -0-



                  For BTM

                  (a)   Amount Beneficially Owned:                                             3,014,144

                  (b)   Percent of Class:                                                          2.11%

                  (c)   Number of shares as to which such person has:

                        (i)    Sole power to vote or to direct the vote:                       3,014,144

                        (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:                                             2,916,700

                  (b)   Percent of Class:                                                          2.04%

                  (c)   Number of shares as to which such person has:

                        (i)    Sole power to vote or to direct the vote:                       2,916,700

                        (ii)   Shared power to vote or to direct the vote:                           -0-

                        (iii)  Sole power to dispose or to direct the disposition of:          2,916,700

                        (iv)   Shared power to dispose or to direct the disposition of:              -0-



                                 Page 11 of 20



-----------------------
CUSIP NO. 654090109
-----------------------


                                                                                     
                  For MUS

                  (a)   Amount Beneficially Owned:                                               434,428

                  (b)   Percent of Class:                                                          0.30%

                  (c)   Number of shares as to which such person has:

                        (i)    Sole power to vote or to direct the vote:                         434,428

                        (ii)   Shared power to vote or to direct the vote:                           -0-

                        (iii)  Sole power to dispose or to direct the disposition of:            434,428

                        (iv)   Shared power to dispose or to direct the disposition of:              -0-



                  For MUSI

                  (a)   Amount Beneficially Owned:                                               199,355

                  (b)   Percent of Class:                                                          0.14%

                  (c)   Number of shares as to which such person has:

                        (i)    Sole power to vote or to direct the vote:                         199,355

                        (ii)   Shared power to vote or to direct the vote:                           -0-

                        (iii)  Sole power to dispose or to direct the disposition of:           199,355

                        (iv)   Shared power to dispose or to direct the disposition of:              -0-


                  For MUAM

                  (a)   Amount Beneficially Owned:                                               383,300

                  (b)   Percent of Class:                                                          0.27%

                  (c)   Number of shares as to which such person has:

                        (i)    Sole power to vote or to direct the vote:                         383,300

                        (ii)   Shared power to vote or to direct the vote:                           -0-

                        (iii)  Sole power to dispose or to direct the disposition of:            383,300

                        (iv)   Shared power to dispose or to direct the disposition of:              -0-



                  For MUI

                  (a)   Amount Beneficially Owned:                                               915,000

                  (b)   Percent of Class:                                                          0.64%

                  (c)   Number of shares as to which such person has:

                        (i)    Sole power to vote or to direct the vote:                         915,000

                        (ii)   Shared power to vote or to direct the vote:                           -0-

                        (iii)  Sole power to dispose or to direct the disposition of:            915,000

                        (iv)   Shared power to dispose or to direct the disposition of:              -0-



                                 Page 12 of 20


-----------------------
CUSIP NO. 654090109
-----------------------


ITEM 5            OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

                  Not applicable.


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 the filing date, MUFG beneficially owns 7,663,572 shares
                  indirectly through its subsidiaries as follows: BTM holds
                  3,014,144 shares; MUTB holds 2,916,700 shares; MUS holds
                  434,428 shares (including 199,355 indirectly held through
                  MUS's subsidiary, MUSI); MUAM holds 383,300 shares; and MUI
                  holds 915,000 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 cetifiy that, to the best of their
                  knowledge and belief, the securities referred to above 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 particpant in any transaction having
                  that purpose or effect.



                                 Page 13 of 20


-----------------------
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: October 7, 2005


                                   MITSUBISHI UFJ FINANCIAL GROUP, INC.



                                   By: /s/ Junichi Itoh           
                                       --------------------------------
                                       Name:  Junichi Itoh
                                       Title: Executive Officer, General Manager
                                              Credit & Investment Management 
                                              Division





                                 Page 14 of 20



-----------------------
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: October 7, 2005



                                THE BANK OF TOKYO-MITSUBISHI, LTD.



                                By: /s/ Junichi Itoh           
                                    --------------------------------
                                    Name:  Junichi Itoh
                                    Title: Managing Director and General Manager
                                           Credit Policy Office



                                 Page 15 of 20


-----------------------
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: October 7, 2005



                                   MITSUBISHI UFJ TRUST AND BANKING CORPORATION



                                   By: /s/ Koji Kawakami          
                                       -----------------------------------
                                       Name:  Koji  Kawakami
                                       Title: Deputy General Manager of 
                                              Trust Assets Planning Division




                                  Page 16 of 20



-----------------------
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: October 7, 2005



                                     MITSUBISHI UFJ SECURITIES CO., LTD.



                                     By: /s/ Shigeyasu Kasamatsu    
                                         --------------------------------------
                                         Name:  Shigeyasu Kasamatsu
                                         Title: Senior Executive Officer & 
                                                General Manager



                                 Page 17 of 20


-----------------------
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: October 7, 2005



                                     MITSUBISHI UFJ SECURITIES INTERNATIONAL PLC



                                     By: /s/ Kenichi Yamana         
                                         ---------------------
                                         Name:   Kenichi Yamana
                                         Title:  Managing Director



                                 Page 18 of 20


-----------------------
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: October 7, 2005



                                       MITSUBISHI UFJ ASSET MANAGEMENT CO., LTD.



                                       By: /s/ Takashi Ikeue         
                                           -----------------------------
                                           Name:  Takashi Ikeue
                                           Title: General Manager of 
                                                  Risk Management Department



                                 Page 19 of 20



-----------------------
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: October 7, 2005



                                          MU INVESTMENTS CO., LTD.



                                          By: /s/ Kenji Fujii
                                              -----------------------------
                                              Name:  Kenji Fujii
                                              Title: General Manager of Risk
                                                     Management Department




                                 Page 20 of 20