UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM N-PX

                     ANNUAL REPORT OF PROXY VOTING RECORD OF
                    REGISTERED MANAGEMENT INVESTMENT COMPANY

                  Investment Company Act File Number: 811-2341

                    Montgomery Street Income Securities, Inc.
               (Exact name of registrant as specified in charter)

                         225 W. Wacker Drive, Suite 950
                                Chicago, IL 60606
                    (Address of principal executive offices)

                            Mark D. Nerud, President
                         225 W. Wacker Drive, Suite 950
                                Chicago, IL 60606
                     (Name and address of agent for service)

Registrant's telephone number, including area code:  (312) 338-5801

Date of fiscal year end:  December 31

Date of reporting period:  July 1, 2005 - June 30, 2006

     Form  N-PX is to be used by a  registered  management  investment  company,
other than a small business  investment  company  registered on Form N-5 (ss.ss.
239.24 and 274.5 of this  chapter),  to file  reports with the  Commission,  not
later than August 31 of each year,  containing  the  registrant's  proxy  voting
record  for the most  recent  twelve-month  period  ended June 30,  pursuant  to
section 30 of the Investment  Company Act of 1940 and rule 30b1-4 thereunder (17
CFR 270.30b1-4). The Commission may use the information provided on Form N-PX in
its regulatory, disclosure review, inspection, and policymaking roles.

     A  registrant  is required to disclose  the  information  specified by Form
N-PX, and the Commission will make this information  public. A registrant is not
required to respond to the  collection  of  information  contained  in Form N-PX
unless the Form  displays a  currently  valid  Office of  Management  and Budget
("OMB")  control number.  Please direct comments  concerning the accuracy of the
information  collection  burden  estimate and any  suggestions  for reducing the
burden to the Secretary,  Securities and Exchange Commission,  450 Fifth Street,
NW,  Washington,  DC  20549-0609.  The  OMB  has  reviewed  this  collection  of
information under the clearance requirements of 44 U.S.C ss. 3507.

Item 1.  Proxy Voting Record.

No proxies were received or voted for Montgomery Street Income Securities, Inc.
from July 1, 2005 through June 30, 2006.


                                   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.

                                Montgomery Street Income Securities, Inc.



                                /S/ MARK D. NERUD
                                By:      Mark D. Nerud
                                         President and Chief Executive Officer

                                Date:   August 15, 2006