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

                                    FORM N-PX

               ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED
                          MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-3129
                                  ----------------------------------------------


           Morgan Stanley Natural Resource Development Securities Inc.
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               (Exact name of registrant as specified in charter)


1221 Avenue of the Americas, New York, New York                          10020
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    (Address of principal executive offices)                          (Zip code)

                               Amy Doberman, Esq.

                                Managing Director

                     Morgan Stanley Investment Advisors Inc.

                           1221 Avenue of the Americas

                            New York, New York 10020
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                     (Name and address of agent for service)

Registrant's telephone number, including area code: 800-869-6397
                                                   -----------------------------

Date of fiscal year end: 2/28
                        --------------------

Date of reporting period: 7/1/05 - 6/30/06
                         -------------------



******************************* FORM N-Px REPORT *******************************

ICA File Number: 811-03129
Reporting Period: 07/01/2005 - 06/30/2006
Morgan Stanley Natural Resource Development Securities, Inc.









========= MORGAN STANLEY NATURAL RESOURCE DEVELOPMENT SECURITIES INC. ==========


ALCOA INC.

Ticker:       AA             Security ID:  013817101
Meeting Date: APR 21, 2006   Meeting Type: Annual
Record Date:  JAN 23, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Kathryn S. Fuller          For       For        Management
1.2   Elect Director Judith M. Gueron           For       For        Management
1.3   Elect Director Ernesto Zedillo            For       For        Management
2     Ratify Auditors                           For       For        Management


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ANADARKO PETROLEUM CORP.

Ticker:       APC            Security ID:  032511107
Meeting Date: MAY 11, 2006   Meeting Type: Annual
Record Date:  MAR 13, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Robert J. Allison, Jr.     For       For        Management
1.2   Elect Director John W. Poduska, Sr.       For       For        Management
2     Increase Authorized Common Stock          For       Against    Management
3     Ratify Auditors                           For       For        Management


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APACHE CORP.

Ticker:       APA            Security ID:  037411105
Meeting Date: MAY 4, 2006    Meeting Type: Annual
Record Date:  MAR 15, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Frederick M. Bohen         For       Withhold   Management
1.2   Elect Director George D. Lawrence         For       Withhold   Management
1.3   Elect Director Rodman D. Patton           For       For        Management
1.4   Elect Director Charles J. Pitman          For       For        Management
1.5   Elect Director Jay A. Precourt            For       For        Management
2     Amend Non-Employee Director Stock Option  For       For        Management
      Plan


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BAKER HUGHES INCORPORATED

Ticker:       BHI            Security ID:  057224107
Meeting Date: APR 27, 2006   Meeting Type: Annual
Record Date:  MAR 1, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Larry D. Brady             For       For        Management
1.2   Elect Director Clarence P. Cazalot, Jr.   For       For        Management
1.3   Elect Director Chad C. Deaton             For       For        Management
1.4   Elect Director Edward P. Djerejian        For       For        Management
1.5   Elect Director Anthony G. Fernandes       For       For        Management
1.6   Elect Director Claire W. Gargalli         For       For        Management
1.7   Elect Director James A. Lash              For       For        Management
1.8   Elect Director James F. McCall            For       For        Management
1.9   Elect Director J. Larry Nichols           For       For        Management
1.10  Elect Director H. John Riley, Jr.         For       For        Management
1.11  Elect Director Charles L. Watson          For       For        Management
2     Ratify Auditors                           For       For        Management
3     Amend Executive Incentive Bonus Plan      For       For        Management
4     Amend Vote Requirements to Amend          Against   For        Shareholder
      Articles/Bylaws/Charter


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BJ SERVICES COMPANY

Ticker:       BJS            Security ID:  055482103
Meeting Date: JAN 31, 2006   Meeting Type: Annual
Record Date:  DEC 6, 2005

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director John R. Huff               For       For        Management
1.2   Elect Director Michael E. Patrick         For       For        Management
2     Increase Authorized Common Stock          For       Against    Management
3     Adjourn Meeting                           For       Against    Management


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BP PLC  (FORM. BP AMOCO PLC )

Ticker:       BP             Security ID:  055622104
Meeting Date: APR 20, 2006   Meeting Type: Annual
Record Date:  FEB 17, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     TO RECEIVE THE DIRECTORS  ANNUAL REPORT   For       For        Management
      AND THE ACCOUNTS
2     TO APPROVE THE DIRECTORS  REMUNERATION    For       For        Management
      REPORT
3.1   Elect  Director Dr D C Allen              For       For        Management
3.2   Elect  Director Lord Browne               For       For        Management
3.3   Elect  Director Mr J H  Bryan             For       For        Management
3.4   Elect  Director Mr A  Burgmans            For       For        Management
3.5   Elect  Director Mr I C  Conn              For       For        Management
3.6   Elect  Director Mr E B  Davis, Jr         For       For        Management
3.7   Elect  Director Mr D J  Flint             For       For        Management
3.8   Elect  Director Dr B E  Grote             For       For        Management
3.9   Elect  Director Dr A B  Hayward           For       For        Management
3.10  Elect  Director Dr D S  Julius            For       For        Management
3.11  Elect  Director Sir Tom Mckillop          For       For        Management
3.12  Elect  Director Mr J A  Manzoni           For       For        Management
3.13  Elect  Director Dr W E  Massey            For       For        Management
3.14  Elect  Director Sir Ian Prosser           For       For        Management
3.15  Elect  Director Mr M H Wilson             For       For        Management
3.16  Elect  Director Mr P D Sutherland         For       For        Management
4     Ratify Auditors                           For       For        Management
5     SPECIAL RESOLUTION: TO GIVE LIMITED       For       For        Management
      AUTHORITY FOR THE PURCHASE OF ITS OWN
      SHARES BY THE COMPANY
6     TO GIVE AUTHORITY TO ALLOT SHARES UP TO A For       For        Management
      SPECIFIED AMOUNT
7     SPECIAL RESOLUTION: TO GIVE AUTHORITY TO  For       For        Management
      ALLOT A LIMITED NUMBER OF SHARES FOR CASH
      WITHOUT MAKING AN OFFER TO SHAREHOLDERS


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CHESAPEAKE ENERGY CORP.

Ticker:       CHK            Security ID:  165167107
Meeting Date: JUN 9, 2006    Meeting Type: Annual
Record Date:  APR 17, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Richard K. Davidson        For       For        Management
1.2   Elect Director Breene M. Kerr             For       For        Management
1.3   Elect Director Charles T. Maxwell         For       For        Management
2     Increase Authorized Common Stock          For       For        Management
3     Amend Omnibus Stock Plan                  For       For        Management


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CHEVRON CORPORATION

Ticker:       CVX            Security ID:  166764100
Meeting Date: APR 26, 2006   Meeting Type: Annual
Record Date:  MAR 6, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Samuel H. Armacost         For       For        Management
1.2   Elect Director Linnet F. Deily            For       For        Management
1.3   Elect Director Robert E. Denham           For       For        Management
1.4   Elect Director Robert J. Eaton            For       For        Management
1.5   Elect Director Sam Ginn                   For       For        Management
1.6   Elect Director Franklyn G. Jenifer        For       For        Management
1.7   Elect Director Sam Nunn                   For       For        Management
1.8   Elect Director David J. O'Reilly          For       For        Management
1.9   Elect Director Donald B. Rice             For       For        Management
1.10  Elect Director Peter J. Robertson         For       For        Management
1.11  Elect Director Charles R. Shoemate        For       For        Management
1.12  Elect Director Ronald D. Sugar            For       For        Management
1.13  Elect Director Carl Ware                  For       For        Management
2     Ratify Auditors                           For       For        Management
3     Company-Specific-Reimbursement of         Against   For        Shareholder
      Stockholder Proposal
4     Report on Environmental Impact of         Against   Against    Shareholder
      Drilling in Sensitive Areas
5     Report on Political Contributions         Against   Against    Shareholder
6     Adopt an Animal Welfare Policy            Against   Against    Shareholder
7     Adopt a Human Rights Policy               Against   Against    Shareholder
8     Report on Remediation Expenses in Ecuador Against   Against    Shareholder


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CONOCOPHILLIPS

Ticker:       COP            Security ID:  20825C104
Meeting Date: MAY 10, 2006   Meeting Type: Annual
Record Date:  MAR 10, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Richard L. Armitage        For       For        Management
1.2   Elect Director Richard H. Auchinleck      For       For        Management
1.3   Elect Director Harald J. Norvik           For       For        Management
1.4   Elect Director William K. Reilly          For       For        Management
1.5   Elect Director Victoria J. Tschinkel      For       For        Management
1.6   Elect Director Kathryn C. Turner          For       For        Management
2     Ratify Auditors                           For       For        Management
3     Report Damage Resulting From Drilling     Against   Against    Shareholder
      Inside the National Petroleum Reserve
4     Require a Majority Vote for the Election  Against   For        Shareholder
      of Directors
5     Submit Supplemental Executive Retirement  Against   Against    Shareholder
      Plans to Shareholder vote
6     Report Accountability for Company's       Against   Against    Shareholder
      Environmental Impacts due to Operation
7     Non-Employee Director Compensation        Against   Against    Shareholder


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DEVON ENERGY CORP.

Ticker:       DVN            Security ID:  25179M103
Meeting Date: JUN 7, 2006    Meeting Type: Annual
Record Date:  APR 10, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Robert L. Howard           For       For        Management
1.2   Elect Director Micheal M. Kanovsky        For       For        Management
1.3   Elect Director J. Todd Mitchell           For       For        Management
1.4   Elect Director Larry Nichols              For       For        Management
2     Ratify Auditors                           For       For        Management
3     Amend Omnibus Stock Plan                  For       For        Management


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DOW CHEMICAL COMPANY, THE

Ticker:       DOW            Security ID:  260543103
Meeting Date: MAY 11, 2006   Meeting Type: Annual
Record Date:  MAR 13, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Jacqueline K. Barton       For       For        Management
1.2   Elect Director James A. Bell              For       For        Management
1.3   Elect Director Barbara Hackman Franklin   For       For        Management
1.4   Elect Director Andrew N. Liveris          For       For        Management
1.5   Elect Director Geoffery E. Merszei        For       For        Management
1.6   Elect Director J. Pedro Reinhard          For       For        Management
1.7   Elect Director Ruth G. Shaw               For       For        Management
1.8   Elect Director Paul G. Stern              For       For        Management
2     Ratify Auditors                           For       For        Management
3     Report on Remediation Policies in Bhopal  Against   Against    Shareholder
4     Report on Genetically Modified Organisms  Against   Against    Shareholder
5     Evaluate Potential Links Between Company  Against   Against    Shareholder
      Products and Asthma
6     Report on Security of Chemical Facilities Against   Against    Shareholder


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ENSCO INTERNATIONAL, INC.

Ticker:       ESV            Security ID:  26874Q100
Meeting Date: MAY 9, 2006    Meeting Type: Annual
Record Date:  MAR 10, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director Gerald W. Haddock         For       For        Management
1.2   Elect  Director Paul E. Rowsey, III       For       For        Management
1.3   Elect  Director Carl F. Thorne            For       For        Management
1.4   Elect  Director Daniel W. Rabun           For       For        Management
2     Ratify Auditors                           For       For        Management


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EOG RESOURCES, INC.

Ticker:       EOG            Security ID:  26875P101
Meeting Date: MAY 2, 2006    Meeting Type: Annual
Record Date:  MAR 6, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director George A. Alcorn           For       For        Management
1.2   Elect Director Charles R. Crisp           For       For        Management
1.3   Elect Director Mark G. Papa               For       For        Management
1.4   Elect Director Edmund P. Segner, III      For       For        Management
1.5   Elect Director William D. Stevens         For       For        Management
1.6   Elect Director H. Leighton Steward        For       For        Management
1.7   Elect Director Donald F. Textor           For       For        Management
1.8   Elect Director Frank G. Wisner            For       For        Management
2     Ratify Auditors                           For       For        Management


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EXXON MOBIL CORP.

Ticker:       XOM            Security ID:  30231G102
Meeting Date: MAY 31, 2006   Meeting Type: Annual
Record Date:  APR 6, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Michael J. Boskin          For       Withhold   Management
1.2   Elect Director William W. George          For       For        Management
1.3   Elect Director James R. Houghton          For       Withhold   Management
1.4   Elect Director William R. Howell          For       Withhold   Management
1.5   Elect Director Reatha Clark King          For       Withhold   Management
1.6   Elect Director Philip E. Lippincott       For       For        Management
1.7   Elect Director Henry A. McKinnell, Jr.    For       Withhold   Management
1.8   Elect Director Marilyn Carlson Nelson     For       For        Management
1.9   Elect Director Samuel J. Palmisano        For       For        Management
1.10  Elect Director Walter V. Shipley          For       For        Management
1.11  Elect Director J. Stephen Simon           For       For        Management
1.12  Elect Director Rex W. Tillerson           For       For        Management
2     Ratify Auditors                           For       For        Management
3     Provide for Cumulative Voting             Against   For        Shareholder
4     Require a Majority Vote for the Election  Against   For        Shareholder
      of Directors
5     Company-Specific-Nominate Independent     Against   For        Shareholder
      Director with Industry Experience
6     Require Director Nominee Qualifications   Against   For        Shareholder
7     Non-Employee Director Compensation        Against   Against    Shareholder
8     Separate Chairman and CEO Positions       Against   Against    Shareholder
9     Review Executive Compensation             Against   Against    Shareholder
10    Link Executive Compensation to Social     Against   Against    Shareholder
      Issues
11    Report on Political Contributions         Against   Against    Shareholder
12    Report on Charitable Contributions        Against   Against    Shareholder
13    Amend Equal Employment Opportunity Policy Against   Against    Shareholder
      to Prohibit Discrimination Based on
      Sexual Orientation
14    Report on Damage Resulting from Drilling  Against   Against    Shareholder
      for Oil and gas in Protected Areas
15    Report Accountability for Company's       Against   Against    Shareholder
      Environmental Impacts due to Operation


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FREEPORT-MCMORAN COPPER & GOLD INC.

Ticker:       FCX            Security ID:  35671D857
Meeting Date: MAY 4, 2006    Meeting Type: Annual
Record Date:  MAR 7, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Robert J. Allison, Jr.     For       For        Management
1.2   Elect Director Robert A. Day              For       For        Management
1.3   Elect Director Gerald J. Ford             For       For        Management
1.4   Elect Director H.Devon Graham, Jr.        For       For        Management
1.5   Elect Director J. Bennett Johnston        For       For        Management
1.6   Elect Director Bobby Lee Lackey           For       For        Management
1.7   Elect Director Gabrielle K. McDonald      For       For        Management
1.8   Elect Director James R. Moffet            For       For        Management
1.9   Elect Director B.M. Rankin, Jr.           For       For        Management
1.10  Elect Director J. Stapleton Roy           For       For        Management
1.11  Elect Director J. Taylor Wharton          For       For        Management
2     Ratify Auditors                           For       For        Management
3     Approve Omnibus Stock Plan                For       For        Management
4     Review Payment Policy to Indonesian       Against   Against    Shareholder
      Military


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GLOBAL SANTA FE CORP.(FORMERLY SANTA FE INTERNATIONAL CORP)

Ticker:       GSF            Security ID:  G3930E101
Meeting Date: MAY 23, 2006   Meeting Type: Annual
Record Date:  MAR 24, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director Thomas W. Cason           For       For        Management
1.2   Elect  Director Jon A. Marshall           For       For        Management
1.3   Elect  Director Carroll W. Suggs          For       For        Management
2     AMEND THE COMPANY S AMENDED AND RESTATED  For       For        Management
      ARTICLES OF ASSOCIATION, AS AMENDED TO
      DATE; TO PROVIDE THAT THE ISSUANCE OF
      PREFERENCE SHARES IS NOT A VARIATION OF
      THE RIGHTS OF THE HOLDERS OF ORDINARY
      SHARES AND TO MAKE A RELATED CLARIFYING
      CHANGE, AND AMEND
3     AMEND THE EXISTING ARTICLES OF            For       For        Management
      ASSOCIATION TO INCREASE THE COMPANY S
      FLEXIBILITY IN REPURCHASING ITS SHARES.
4     AMEND THE EXISTING ARTICLES OF            For       For        Management
      ASSOCIATION TO DELETE OBSOLETE PROVISIONS
      RELATING TO KUWAIT PETROLEUM CORPORATION
      AND ITS AFFILIATES.
5     AMEND THE EXISTING MEMORANDUM OF          For       For        Management
      ASSOCIATION AND THE EXISTING ARTICLES OF
      ASSOCIATION TO CLARIFY, UPDATE AND MAKE
      MINOR CHANGES TO CERTAIN PROVISIONS.
6     AMEND AND RESTATE THE EXISTING MEMORANDUM For       For        Management
      OF ASSOCIATION AND THE EXISTING ARTICLES
      OF ASSOCIATION TO INCORPORATE ALL
      PREVIOUS AMENDMENTS THERETO.
7     Ratify Auditors                           For       For        Management


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HALLIBURTON CO.

Ticker:       HAL            Security ID:  406216101
Meeting Date: MAY 17, 2006   Meeting Type: Annual
Record Date:  MAR 20, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Alan M. Bennett            For       For        Management
1.2   Elect Director James R. Boyd              For       For        Management
1.3   Elect Director Robert  L. Crandall        For       For        Management
1.4   Elect Director Kenneth T. Derr            For       For        Management
1.5   Elect Director S.Malcolm Gillis           For       For        Management
1.6   Elect Director W.R. Howell                For       For        Management
1.7   Elect Director Ray L. Hunt                For       For        Management
1.8   Elect Director David J. Lesar             For       For        Management
1.9   Elect Director J.Landis Martin            For       For        Management
1.10  Elect Director Jay A. Precourt            For       For        Management
1.11  Elect Director Debra L. Reed              For       For        Management
2     Ratify Auditors                           For       For        Management
3     Increase Authorized Common Stock          For       For        Management
4     Amend Terms of Severance Payments to      For       For        Management
      Executives
5     Review Human Rights Standards             Against   For        Shareholder
6     Require a Majority Vote for the Election  Against   For        Shareholder
      of Directors
7     Amend Terms of Existing Poison Pill       Against   Against    Shareholder


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INTERNATIONAL PAPER CO.

Ticker:       IP             Security ID:  460146103
Meeting Date: MAY 8, 2006    Meeting Type: Annual
Record Date:  MAR 16, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director John L. Townsend, III      For       For        Management
1.2   Elect Director John F. Turner             For       For        Management
1.3   Elect Director Alberto Weisser            For       For        Management
1.4   Elect Director John V. Faraci             For       For        Management
1.5   Elect Director Donald F. McHenry          For       For        Management
1.6   Elect Director William G. Walter          For       For        Management
2     Ratify Auditors                           For       For        Management
3     Require a Majority Vote for the Election  Against   For        Shareholder
      of Directors
4     Sustainable Forestry Report               Against   Against    Shareholder
5     Declassify the Board of Directors         Against   For        Shareholder


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KINDER MORGAN, INC.

Ticker:       KMI            Security ID:  49455P101
Meeting Date: MAY 9, 2006    Meeting Type: Annual
Record Date:  MAR 10, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Richard D. Kinder          For       For        Management
1.2   Elect Director Edward H. Austin, Jr .     For       For        Management
1.3   Elect Director William J. Hybl            For       For        Management
1.4   Elect Director Ted A. Gardner             For       For        Management
2     Amend Omnibus Stock Plan                  For       For        Management
3     Approve Nonqualified Employee Stock       For       For        Management
      Purchase Plan
4     Amend Qualified Employee Stock Purchase   For       For        Management
      Plan
5     Ratify Auditors                           For       For        Management


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MARATHON OIL CORP

Ticker:       MRO            Security ID:  565849106
Meeting Date: APR 26, 2006   Meeting Type: Annual
Record Date:  FEB 27, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Clarence P. Cazalot        For       For        Management
1.2   Elect Director David A. Daberko           For       For        Management
1.3   Elect Director William L. Davis           For       For        Management
2     Ratify Auditors                           For       For        Management
3     Declassify the Board of Directors         For       For        Management
4     Eliminate Class of Preferred Stock        For       For        Management
5     Require a Majority Vote for the Election  Against   For        Shareholder
      of Directors
6     Adopt Simple Majority Vote Requirement    Against   For        Shareholder


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NABORS INDUSTRIES, LTD.

Ticker:       NBR            Security ID:  G6359F103
Meeting Date: JUN 30, 2006   Meeting Type: Annual
Record Date:  APR 7, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director Eugene M. Isenberg        For       For        Management
2     Ratify Auditors                           For       For        Management
3     MANAGEMENT PROPOSAL: APPROVAL OF THE      For       Against    Management
      COMPANY S AMENDED AND RESTATED 2003
      EMPLOYEE STOCK PLAN.


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NABORS INDUSTRIES, LTD.

Ticker:       NBR            Security ID:  G6359F103
Meeting Date: MAR 30, 2006   Meeting Type: Special
Record Date:  FEB 17, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     Increase Authorized Common Stock          For       For        Management


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NATIONAL OILWELL VARCO INC.

Ticker:       NOV            Security ID:  637071101
Meeting Date: JUL 22, 2005   Meeting Type: Annual
Record Date:  JUN 8, 2005

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director Robert E. Beauchamp       For       For        Management
1.2   Elect  Director Jeffery A. Smisek         For       For        Management
1.3   Elect  Director James D. Woods            For       For        Management
2     Ratify Auditors                           For       For        Management


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NATIONAL OILWELL VARCO INC.

Ticker:       NOV            Security ID:  637071101
Meeting Date: MAY 17, 2006   Meeting Type: Annual
Record Date:  MAR 31, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Greg L. Armstrong          For       For        Management
1.2   Elect Director David D. Harrison          For       For        Management
1.3   Elect Director Merrill A. Miller, Jr.     For       For        Management
2     Ratify Auditors                           For       For        Management


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NEWMONT MINING CORP. (HOLDING COMPANY)

Ticker:       NEM            Security ID:  651639106
Meeting Date: APR 25, 2006   Meeting Type: Annual
Record Date:  MAR 1, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Glen A. Barton             For       For        Management
1.2   Elect Director Vincent A. Calarco         For       For        Management
1.3   Elect Director Noreen Doyle               For       For        Management
1.4   Elect Director Veronica M. Hagen          For       For        Management
1.5   Elect Director Michael S. Hamson          For       For        Management
1.6   Elect Director Leo I. Higdon, Jr.         For       For        Management
1.7   Elect Director Pierre Lassonde            For       For        Management
1.8   Elect Director Robert J. Miller           For       For        Management
1.9   Elect Director Wayne W. Murdy             For       For        Management
1.10  Elect Director Robin A. Plumbridge        For       For        Management
1.11  Elect Director John B. Prescott           For       For        Management
1.12  Elect Director Donald C. Roth             For       For        Management
1.13  Elect Director Seymour Schulich           For       For        Management
1.14  Elect Director James V. Taranik           For       For        Management
2     Ratify Auditors                           For       For        Management
3     Provide for an Independent Chairman       Against   For        Shareholder


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NOBLE CORP

Ticker:       NE             Security ID:  G65422100
Meeting Date: APR 27, 2006   Meeting Type: Annual
Record Date:  MAR 2, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director James C. Day              For       For        Management
1.2   Elect  Director Julie H. Edwards          For       For        Management
1.3   Elect  Director Marc E. Leland            For       For        Management
2     Ratify Auditors                           For       For        Management
3     MEMBER (SHAREHOLDER) PROPOSAL TO SEPARATE Against   Against    Shareholder
      THE POSITIONS OF CHAIRMAN/CHIEF EXECUTIVE
      OFFICER.


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OCCIDENTAL PETROLEUM CORP.

Ticker:       OXY            Security ID:  674599105
Meeting Date: MAY 5, 2006    Meeting Type: Annual
Record Date:  MAR 6, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Spencer Abraham            For       For        Management
1.2   Elect Director Ronald W. Burkle           For       Withhold   Management
1.3   Elect Director John S. Chalsty            For       For        Management
1.4   Elect Director Edward P. Djerejian        For       For        Management
1.5   Elect Director R. Chad Dreier             For       For        Management
1.6   Elect Director John E. Feick              For       For        Management
1.7   Elect Director Ray R. Irani               For       For        Management
1.8   Elect Director Irvin W. Maloney           For       For        Management
1.9   Elect Director Rodolfo Segovia            For       For        Management
1.10  Elect Director Aziz D. Syriani            For       For        Management
1.11  Elect Director Rosemary Tomich            For       For        Management
1.12  Elect Director Walter L. Weisman          For       For        Management
2     Ratify Auditors                           For       For        Management
3     Increase Authorized Common Stock          For       For        Management
4     Limit Executive Compensation              Against   Against    Shareholder
5     Report on Global Warming                  Against   Against    Shareholder
6     Require a Majority Vote for the Election  Against   For        Shareholder
      of Directors


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PEABODY ENERGY CORP.

Ticker:       BTU            Security ID:  704549104
Meeting Date: MAY 5, 2006    Meeting Type: Annual
Record Date:  MAR 15, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Gregory H. Boyce           For       For        Management
1.2   Elect Director William E. James           For       For        Management
1.3   Elect Director Robert B. Karn, III        For       For        Management
1.4   Elect Director Henry E. Lentz             For       For        Management
1.5   Elect Director Blanche M. Touhill, Ph.D.  For       For        Management
2     Ratify Auditors                           For       For        Management
3     Increase Authorized Common Stock          For       For        Management
4     Establish Other Board Committee           Against   For        Shareholder
5     Require a Majority Vote for the Election  Against   Against    Shareholder
      of Directors
6     Declassify the Board of Directors         Against   Against    Shareholder
7     Report on Water Pollution Policy          Against   Against    Shareholder


--------------------------------------------------------------------------------

PHELPS DODGE CORP.

Ticker:       PD             Security ID:  717265102
Meeting Date: MAY 26, 2006   Meeting Type: Annual
Record Date:  APR 6, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Charles C. Krulak          For       For        Management
1.2   Elect Director Dustan E. McCoy            For       For        Management
1.3   Elect Director William J. Post            For       For        Management
1.4   Elect Director Martin H. Richenhagen      For       For        Management
1.5   Elect Director Jack E. Thompson           For       For        Management
2     Approve Non-Employee Director Stock       For       For        Management
      Option Plan
3     Ratify Auditors                           For       For        Management


--------------------------------------------------------------------------------

QUICKSILVER RESOURCES INC.

Ticker:       KWK            Security ID:  74837R104
Meeting Date: MAY 23, 2006   Meeting Type: Annual
Record Date:  MAR 31, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Glenn Darden               For       For        Management
1.2   Elect Director James A. Hughes            For       For        Management
1.3   Elect Director W. Yandell Rogers, III     For       For        Management
2     Ratify Auditors                           For       For        Management
3     Increase Authorized Common Stock          For       For        Management
4     Approve Omnibus Stock Plan                For       Against    Management


--------------------------------------------------------------------------------

ROWAN COMPANIES, INC.

Ticker:       RDC            Security ID:  779382100
Meeting Date: APR 28, 2006   Meeting Type: Annual
Record Date:  MAR 1, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director John R. Huff               For       For        Management
1.2   Elect Director Federick R. Lausen         For       For        Management
2     Ratify Auditors                           For       For        Management


--------------------------------------------------------------------------------

SCHLUMBERGER LTD.

Ticker:       SLB            Security ID:  806857108
Meeting Date: APR 12, 2006   Meeting Type: Annual
Record Date:  MAR 1, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director J. Deutch                 For       For        Management
1.2   Elect  Director J.S. Gorelick             For       For        Management
1.3   Elect  Director A. Gould                  For       For        Management
1.4   Elect  Director T. Isaac                  For       For        Management
1.5   Elect  Director A. Lajous                 For       For        Management
1.6   Elect  Director A. Levy-Lang              For       For        Management
1.7   Elect  Director M.E. Marks                For       For        Management
1.8   Elect  Director D. Primat                 For       For        Management
1.9   Elect  Director T.I. Sandvold             For       For        Management
1.10  Elect  Director N. Seydoux                For       For        Management
1.11  Elect  Director L.G. Stuntz               For       For        Management
1.12  Elect  Director R. Talwar                 For       For        Management
2     ADOPTION AND APPROVAL OF FINANCIALS AND   For       For        Management
      DIVIDENDS
3     ADOPTION OF AMENDMENT TO THE ARTICLES OF  For       For        Management
      INCORPORATION
4     APPROVAL OF AMENDMENT AND RESTATEMENT OF  For       For        Management
      THE SCHLUMBERGER 2005 STOCK OPTION PLAN
5     APPROVAL OF INDEPENDENT REGISTERED PUBLIC For       For        Management
      ACCOUNTING FIRM


--------------------------------------------------------------------------------

SHIN-ETSU CHEMICAL CO. LTD.

Ticker:       4063           Security ID:  J72810120
Meeting Date: JUN 29, 2006   Meeting Type: Annual
Record Date:  MAR 31, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     Approve Allocation of Income, Including   For       For        Management
      the Following Dividends: Interim JY 17.5,
      Final JY 17.5, Special JY 0
2     Amend Articles to: Authorize Public       For       For        Management
      Announcements in Electronic Format -
      Limit Rights of Odd-lot Holders - Update
      Terminology to Match that of New
      Corporate Law
3.1   Elect Director                            For       For        Management
3.2   Elect Director                            For       For        Management
3.3   Elect Director                            For       For        Management
3.4   Elect Director                            For       For        Management
3.5   Elect Director                            For       For        Management
3.6   Elect Director                            For       For        Management
3.7   Elect Director                            For       For        Management
3.8   Elect Director                            For       For        Management
3.9   Elect Director                            For       For        Management
4     Appoint Internal Statutory Auditor        For       For        Management
5     Approve Amendment to Director             For       Against    Management
      Compensation Ceiling and Stock Option
      Plan for Directors
6     Approve Executive Stock Option Plan       For       Against    Management


--------------------------------------------------------------------------------

SMITH INTERNATIONAL, INC.

Ticker:       SII            Security ID:  832110100
Meeting Date: APR 25, 2006   Meeting Type: Annual
Record Date:  MAR 1, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Robert Kelley              For       For        Management
1.2   Elect Director Doug Rock                  For       For        Management
2     Approve Executive Incentive Bonus Plan    For       For        Management
3     Ratify Auditors                           For       For        Management


--------------------------------------------------------------------------------

SUMITOMO CHEMICAL CO. LTD.

Ticker:       4005           Security ID:  J77153120
Meeting Date: JUN 23, 2006   Meeting Type: Annual
Record Date:  MAR 31, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     Approve Allocation of Income, Including   For       For        Management
      the Following Dividends: Interim JY 4,
      Final JY 6, Special JY 0
2     Amend Articles to: Authorize Board to     For       Against    Management
      Determine Income Allocation - Expand
      Business Lines - Authorize Public
      Announcements in Electronic Format -
      Limit Liability of Statutory Auditors -
      Set Maximum Board Size
3.1   Elect Director                            For       For        Management
3.2   Elect Director                            For       For        Management
3.3   Elect Director                            For       For        Management
3.4   Elect Director                            For       For        Management
3.5   Elect Director                            For       For        Management
3.6   Elect Director                            For       For        Management
3.7   Elect Director                            For       For        Management
3.8   Elect Director                            For       For        Management
3.9   Elect Director                            For       For        Management
3.10  Elect Director                            For       For        Management
4     Appoint Internal Statutory Auditor        For       Against    Management
5     Approve Adjustment to Aggregate           For       For        Management
      Compensation Ceiling for Directors and
      Statutory Auditors


--------------------------------------------------------------------------------

SUNCOR ENERGY INC

Ticker:       SU.            Security ID:  867229106
Meeting Date: APR 26, 2006   Meeting Type: Annual
Record Date:  FEB 27, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director Mel E. Benson             For       For        Management
1.2   Elect  Director Brian A. Canfield         For       For        Management
1.3   Elect  Director Bryan P. Davies           For       For        Management
1.4   Elect  Director Brian A. Felesky          For       For        Management
1.5   Elect  Director John T. Ferguson          For       For        Management
1.6   Elect  Director W. Douglas Ford           For       For        Management
1.7   Elect  Director Richard L. George         For       For        Management
1.8   Elect  Director John R. Huff              For       For        Management
1.9   Elect  Director M. Ann McCaig             For       For        Management
1.10  Elect  Director Michael W. O'Brien        For       Withhold   Management
1.11  Elect  Director JR Shaw                   For       For        Management
1.12  Elect  Director Eira M. Thomas            For       For        Management
2     Ratify PricewaterhouseCoopers as Auditors For       For        Management


--------------------------------------------------------------------------------

SUNOCO, INC.

Ticker:       SUN            Security ID:  86764P109
Meeting Date: MAY 4, 2006    Meeting Type: Annual
Record Date:  FEB 9, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director R. J. Darnall              For       For        Management
1.2   Elect Director J. G. Drosdick             For       For        Management
1.3   Elect Director U. O. Fairbairn            For       For        Management
1.4   Elect Director T. P. Gerrity              For       For        Management
1.5   Elect Director R. B. Greco                For       For        Management
1.6   Elect Director J. G. Kaiser               For       For        Management
1.7   Elect Director R. A. Pew                  For       For        Management
1.8   Elect Director G. J. Ratcliffe            For       For        Management
1.9   Elect Director J. W. Rowe                 For       For        Management
1.10  Elect Director J. K. Wulff                For       For        Management
2     Approve Executive Incentive Bonus Plan    For       For        Management
3     Ratify Auditors                           For       For        Management


--------------------------------------------------------------------------------

TESORO CORP.

Ticker:       TSO            Security ID:  881609101
Meeting Date: MAY 3, 2006    Meeting Type: Annual
Record Date:  MAR 14, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Robert W. Goldman          For       For        Management
1.2   Elect Director Steven H. Grapstein        For       For        Management
1.3   Elect Director William J. Johnson         For       For        Management
1.4   Elect Director A. Maurice Myers           For       For        Management
1.5   Elect Director Donald H. Schmude          For       For        Management
1.6   Elect Director Bruce A. Smith             For       For        Management
1.7   Elect Director Patrick J. Ward            For       For        Management
1.8   Elect Director Michael E. Wiley           For       For        Management
2     Approve Omnibus Stock Plan                For       Against    Management
3     Increase Authorized Common Stock          For       For        Management
4     Ratify Auditors                           For       For        Management


--------------------------------------------------------------------------------

TOTAL SA (FORMERLY TOTAL FINA ELF  S.A )

Ticker:       TOT            Security ID:  89151E109
Meeting Date: MAY 12, 2006   Meeting Type: Annual
Record Date:  APR 12, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     APPROVAL OF PARENT COMPANY FINANCIAL      For       For        Management
      STATEMENTS
2     APPROVAL OF CONSOLIDATED FINANCIAL        For       For        Management
      STATEMENTS
3     ALLOCATION OF EARNINGS, DECLARATION OF    For       For        Management
      DIVIDEND
4     AUTHORIZATION TO BE GIVEN TO THE BOARD OF For       For        Management
      DIRECTORS TO TRANSFER THE SPECIAL
      LONG-TERM CAPITAL GAINS RESERVED TO THE
      ACCOUNT
5     AGREEMENTS COVERED BY ARTICLE L.225-38 OF For       For        Management
      THE FRENCH COMMERCIAL CODE
6     AUTHORIZATION FOR THE BOARD OF DIRECTORS  For       For        Management
      TO TRADE SHARES OF THE COMPANY
7.1   Elect  Director Anne Lauvergeon           For       For        Management
7.2   Elect  Director Daniel Bouton             For       Withhold   Management
7.3   Elect  Director Bertrand Collomb          For       For        Management
7.4   Elect  Director A Jeancourt-Galignani     For       For        Management
7.5   Elect  Director Michel Pebereau           For       Withhold   Management
7.6   Elect  Director Pierre Vaillaud           For       For        Management
7.7   Elect  Director Christophe De Margerie    For       Withhold   Management
8     APPROVAL OF THE ASSET CONTRIBUTION BY THE For       For        Management
      COMPANY TO ARKEMA, GOVERNED BY THE LEGAL
      REGIME APPLICABLE TO DEMERGERS
9     FOUR-FOR-ONE STOCK SPLIT                  For       For        Management
10    AMENDMENT OF ARTICLE 11 -3 OF THE COMPANY For       For        Management
      S ARTICLES OF ASSOCIATION  FIXING THE
      NUMBER OF SHARES OF THE COMPANY
11    RESOLUTION A (NOT APPROVED BY THE BOARD   Against   For        Shareholder
      OF DIRECTORS)
12    RESOLUTION B (NOT APPROVED BY THE BOARD   Against   Against    Shareholder
      OF DIRECTORS)


--------------------------------------------------------------------------------

TRANSOCEAN INC.

Ticker:       RIG            Security ID:  G90078109
Meeting Date: MAY 11, 2006   Meeting Type: Annual
Record Date:  MAR 20, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect  Director Victor E. Grijalva        For       For        Management
1.2   Elect  Director Arthur Lindenauer         For       For        Management
1.3   Elect  Director Kristian Siem             For       For        Management
2     APPROVAL OF THE APPOINTMENT OF ERNST &    For       For        Management
      YOUNG LLP TO SERVE AS OUR INDEPENDENT
      REGISTERED PUBLIC ACCOUNTING FIRM FOR
      2006.


--------------------------------------------------------------------------------

ULTRA PETROLEUM CORP.

Ticker:       UPL            Security ID:  903914109
Meeting Date: JUN 29, 2006   Meeting Type: Annual
Record Date:  MAY 8, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Michael D. Watford         For       For        Management
1.2   Elect Director W. Charles Helton          For       Withhold   Management
1.3   Elect Director James E. Nielson           For       Withhold   Management
1.4   Elect Director Robert E. Rigney           For       Withhold   Management
1.5   Elect Director James C. Roe               For       Withhold   Management
2     Ratify Ernst & Young as Auditors          For       For        Management
3     Prepare a Climate Change Report           Against   Against    Shareholder


--------------------------------------------------------------------------------

VALERO ENERGY CORP.

Ticker:       VLO            Security ID:  91913Y100
Meeting Date: APR 27, 2006   Meeting Type: Annual
Record Date:  MAR 1, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Jerry D. Choate            For       For        Management
1.2   Elect Director William R. Klesse          For       For        Management
1.3   Elect Director Donald L. Nickles          For       For        Management
1.4   Elect Director Susan Kaufman Purcell      For       For        Management
2     Ratify Auditors                           For       For        Management


--------------------------------------------------------------------------------

VALERO ENERGY CORP.

Ticker:       VLO            Security ID:  91913Y100
Meeting Date: DEC 1, 2005    Meeting Type: Special
Record Date:  NOV 2, 2005

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1     Increase Authorized Common Stock          For       For        Management


--------------------------------------------------------------------------------

WILLIAMS COMPANIES, INC., THE

Ticker:       WMB            Security ID:  969457100
Meeting Date: MAY 18, 2006   Meeting Type: Annual
Record Date:  MAR 27, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Irl F. Engelhardt          For       For        Management
1.2   Elect Director William R. Granberry       For       For        Management
1.3   Elect Director William E. Green           For       For        Management
1.4   Elect Director W.R. Howell                For       For        Management
1.5   Elect Director George A. Lorch            For       For        Management
2     Ratify Auditors                           For       For        Management
3     Require a Majority Vote for the Election  Against   Against    Shareholder
      of Directors


--------------------------------------------------------------------------------

XTO ENERGY INC

Ticker:       XTO            Security ID:  98385X106
Meeting Date: MAY 16, 2006   Meeting Type: Annual
Record Date:  MAR 31, 2006

#     Proposal                                  Mgt Rec   Vote Cast  Sponsor
1.1   Elect Director Phillip R. Kevil           For       For        Management
1.2   Elect Director Herbert D. Simons          For       For        Management
1.3   Elect Director Vaughn O. Vennerberg, II   For       For        Management
1.4   Elect Director Lane G. Collins            For       For        Management
2     Increase Authorized Common Stock          For       For        Management
3     Amend Omnibus Stock Plan                  For       For        Management
4     Ratify Auditors                           For       For        Management

========== END NPX REPORT



                                   SIGNATURES

     Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

(Registrant): Morgan Stanley Natural Resource Development Securities Inc.
             -------------------------------------------------------------

By (Signature and Title):


                                     /s/ Ronald E. Robison

                 President and Principal Executive Officer - Office of the Funds
                 ---------------------------------------------------------------

Date  August 28, 2006
     -------------------


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