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

                                   ----------

                                  SCHEDULE TO/A
            TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                               (Amendment No. 26)

                              TAUBMAN CENTERS, INC.
                       (Name of Subject Company (Issuer))

                        SIMON PROPERTY ACQUISITIONS, INC.
                           SIMON PROPERTY GROUP, INC.
                             WESTFIELD AMERICA, INC.
                      (Names of Filing Persons (Offerors))

                     COMMON STOCK, PAR VALUE $.01 PER SHARE
                         (Title of Class of Securities)

                                    876664103
                      (CUSIP Number of Class of Securities)

       James M. Barkley, Esq.                         Peter R. Schwartz, Esq.
     Simon Property Group, Inc.                       Westfield America Inc.
        National City Center                         11601 Wilshire Boulevard
     115 West Washington Street                             12th Floor
           Suite 15 East                              Los Angeles, CA 90025
       Indianapolis, IN 46024                       Telephone: (310) 445-2427
     Telephone: (317) 636-1600

                 (Name, Address and Telephone Numbers of Person
  Authorized to Receive Notices and Communications on Behalf of Filing Persons)

                                   ----------

                                   Copies to:

     Steven A. Seidman, Esq.                    Scott V. Simpson, Esq.
     Robert B. Stebbins, Esq.          Skadden, Arps, Slate, Meagher & Flom LLP
     Willkie Farr & Gallagher                      One Canada Square
        787 Seventh Avenue                           Canary Wharf
     New York, New York 10019                  London, E14 5DS, England
    Telephone: (212) 728-8000                Telephone: (44) 20 7519 7000

                                   ----------

                            CALCULATION OF FILING FEE

================================================================================
       TRANSACTION VALUATION*                            AMOUNT OF FILING FEE**
--------------------------------------------------------------------------------
          $1,193,880,540                                       $238,776.11
================================================================================
*     Estimated for purposes of calculating the amount of the filing fee only.
      Calculated by multiplying $20.00, the per share tender offer price, by
      59,694,027 shares of Common Stock, consisting of (i) 50,908,965
      outstanding shares of Common Stock, (ii) 2,270 shares of Common Stock
      issuable upon conversion of 31,784,842 outstanding shares of Series B
      Non-Participating Convertible Preferred Stock, (iii) 7,202,785 shares of
      Common Stock issuable upon conversion of outstanding partnership units of
      The Taubman Realty Group, Limited Partnership ("TRG") and (iv) 1,580,007
      shares of Common Stock issuable upon conversion of outstanding options
      (each of which entitles the holder thereof to purchase one partnership
      unit of TRG which, in turn, is convertible into one share of Common
      Stock), based on Amendment No. 1 to the Registrant's Preliminary Proxy
      Statement on Schedule 14A filed on February 25, 2003, the Registrant's
      Schedule 14D-9 filed on December 11, 2002 and the Registrant's Annual
      Report on Forms 10-K and 10-K/A for the year ended December 31, 2002.
**    The amount of the filing fee calculated in accordance with Regulation
      240.0-11 of the Securities Exchange Act of 1934, as amended, equals 1/50th
      of one percent of the value of the transaction.
|X|   Check the box if any part of the fee is offset as provided by Rule
      0-11(a)(2) and identify the filing with which the offsetting fee was
      previously paid. Identify the previous filing by registration statement
      number, or the Form or Schedule and the date of its filing.



                                                                       
Amount Previously Paid:     $248,745.11                          Filing Party:  Simon Property Group, Inc.; Simon Property
Form or Registration No.:   Schedule TO (File No. 005-42862),                   Acquisitions, Inc.; Westfield America, Inc.
                            Amendment No. 1 to the Schedule TO   Date Filed:    December 5, 2002, December 16, 2002 and
                            and Amendment No. 5 to the                          January 15, 2003
                            Schedule TO


|_|   Check the box if the filing relates solely to preliminary communications
      made before the commencement of a tender offer.
|_|   Check the appropriate boxes below to designate any transactions to which
      the statement relates.
      |X|   third-party tender offer subject to Rule 14d-1.
      |_|   issuer tender offer subject to Rule 13e-4.
      |_|   going-private transaction subject to Rule 13e-3.
      |_|   amendment to Schedule 13D under Rule 13d-2.
            Check the following box if the filing is a final amendment
            reporting the results of the tender offer: |_|
================================================================================



                                   SCHEDULE TO

      This Amendment No. 26 amends and supplements the Tender Offer Statement on
Schedule TO originally filed with the Securities and Exchange Commission (the
"Commission") on December 5, 2002, as amended and supplemented by Amendment No.
1 thereto filed with the Commission on December 16, 2002, by Amendment No. 2
thereto filed with the Commission on December 27, 2002, by Amendment No. 3
thereto filed with the Commission on December 30, 2002, by Amendment No. 4
thereto filed with the Commission on December 31, 2002, by Amendment No. 5
thereto filed with the Commission on January 15, 2003, by Amendment No. 6
thereto filed with the Commission on January 15, 2003, by Amendment No. 7
thereto filed with the Commission on January 16, 2003, by Amendment No. 8
thereto filed with the Commission on January 22, 2003, by Amendment No. 9
thereto filed with the Commission on January 23, 2003, by Amendment No. 10
thereto filed with the Commission on February 7, 2003, by Amendment No. 11
thereto filed with the Commission on February 11, 2003, by Amendment No. 12
thereto filed with the Commission on February 18, 2003, by Amendment No. 13
thereto filed with the Commission on February 21, 2003, by Amendment No. 14
thereto filed with the Commission on February 21, 2003, by Amendment No. 15
thereto filed with the Commission on February 27, 2003, by Amendment No. 16
thereto filed with the Commission on February 27, 2003, by Amendment No. 17
thereto filed with the Commission on February 28, 2003, by Amendment No. 18
thereto filed with the Commission on March 3, 2003, by Amendment No. 19 thereto
filed with the Commission on March 6, 2003, by Amendment No. 20 thereto filed
with the Commission on March 18, 2003, by Amendment No. 21 thereto filed with
the Commission on March 21, 2003, by Amendment No. 22 thereto filed with the
Commission on March 28, 2003, by Amendment No. 23 thereto filed with the
Commission on March 31, 2003, by Amendment No. 24 thereto filed with the
Commission on April 30, 2003 and by Amendment No. 25 thereto filed with the
Commission on May 2, 2003 (as amended and supplemented, the "Schedule TO")
relating to the offer by Simon Property Acquisitions, Inc., a Delaware
corporation (the "Purchaser") and wholly owned subsidiary of Simon Property
Group, Inc., a Delaware corporation ("SPG Inc."), to purchase all of the
outstanding shares of common stock, par value $.01 per share (the "Shares"), of
Taubman Centers, Inc. (the "Company") at a purchase price of $20.00 per Share,
net to the seller in cash, without interest thereon, upon the terms and subject
to the conditions set forth in the Offer to Purchase, dated December 5, 2002
(the "Offer to Purchase"), and the Supplement to the Offer to Purchase, dated
January 15, 2003 (the "Supplement"), and in the related revised Letter of
Transmittal (which, together with any supplements or amendments, collectively
constitute the "Offer"). This Amendment No. 26 to the Schedule TO is being filed
on behalf of the Purchaser, SPG Inc. and Westfield America, Inc. ("WEA").

      Capitalized terms used and not defined herein shall have the meanings
assigned to such terms in the Offer to Purchase, the Supplement and the Schedule
TO, as applicable.

      The item numbers and responses thereto below are in accordance with the
requirements of Schedule TO.





Item 11.    ADDITIONAL INFORMATION.

            On May 8, 2003, the United States District Court for the Eastern
            District of Michigan (the "Court") issued an Amended Opinion and
            Order (the "Amended Opinion and Order"), a copy of which is filed
            herewith as Exhibit (a)(5)(VV), enjoining the voting of all of the
            shares held or controlled by the Taubman family and its associates
            that together purportedly comprised approximately 33.6% of the
            Company's voting power until voting rights are conferred on such
            shares through a disinterested shareholder vote in compliance with
            the Michigan Control Share Act and requiring SPG Inc. to post a $10
            million bond pending the outcome of any appeal of the Amended
            Opinion and Order. The full text of a press release, dated May 8,
            2003, issued by SPG Inc. and WEA in connection with the Amended
            Opinion and Order is filed herewith as Exhibit (a)(5)(WW).

Item 12.   EXHIBITS.

(a)(5)(VV)  Amended Opinion and Order issued on May 8, 2003 by the United States
            District Court for the Eastern District of Michigan in the matter of
            Simon Property Group, Inc. et al., Plaintiffs, vs. Taubman Centers,
            Inc., et al., Defendants, and Lionel Z. Glancy, Plaintiff, vs.
            Robert S. Taubman, et al., Defendants.

(a)(5)(WW)  Press Release issued by Simon Property Group, Inc. and Westfield
            America, Inc., dated May 8, 2003.







                                    SIGNATURE

      After due inquiry and to the best of their knowledge and belief, the
undersigned hereby certify as of May 9, 2003 that the information set forth in
this statement is true, complete and correct.


                                  SIMON PROPERTY GROUP, INC.

                                  By: /s/ JAMES M. BARKLEY
                                     ------------------------------------
                                     Name: James M. Barkley
                                     Title: Secretary and General Counsel


                                  SIMON PROPERTY ACQUISITIONS, INC.

                                  By: /s/ JAMES M. BARKLEY
                                     ------------------------------------
                                     Name: James M. Barkley
                                     Title: Secretary and Treasurer








      After due inquiry and to the best of its knowledge and belief, the
undersigned hereby certifies as of May 9, 2003 that the information set forth in
this statement is true, complete and correct.


                                  WESTFIELD AMERICA, INC.

                                  By: /s/ PETER R. SCHWARTZ
                                      -------------------------------
                                      Name: Peter R. Schwartz
                                      Title: Senior Executive Vice President







                                  EXHIBIT INDEX





EXHIBIT NO.       DESCRIPTION
-----------       -----------
               
(a)(5)(VV)        Amended Opinion and Order issued on May 8, 2003 by the United
                  States District Court for the Eastern District of Michigan in
                  the matter of Simon Property Group, Inc. et al., Plaintiffs,
                  vs. Taubman Centers, Inc., et al., Defendants, and Lionel Z.
                  Glancy, Plaintiff, vs. Robert S. Taubman, et al., Defendants.

(a)(5)(WW)        Press Release issued by Simon Property Group, Inc. and
                  Westfield America, Inc., dated May 8, 2003.