Exhibit 4.17  AMENDMENT
TO REGISTRATION RIGHTS AGREEMENT  Amendment to Registration Rights Agreement (the Amendment), dated as of February 1, 2000, among General Growth Properties, Inc., a Delaware corporation (the REIT), General Growth Companies, Inc., a Delaware corporation (the New Investor) and the other parties whose names are set forth under the caption Existing Investors on the signature pages hereto.  R
E C I T A L S:  WHEREAS, the REIT and the Existing Investors and/or their predecessors in interest have entered into that certain Registration Rights Agreement dated as of April 15, 1993 (the Agreement) pursuant to which the Existing Investors have certain registration rights;  WHEREAS, concurrently herewith, the Partnership is issuing to the New Investor common units of limited partnership in the Partnership (the New Units); and  WHEREAS, the parties desire to amend the Agreement to reflect that the New Limited Partner is entitled to the rights of an Investor under the Agreement as set forth herein.  NOW, THEREFORE, the parties do hereby agree as follows:  1.Capitalized terms used but not defined herein shall have the meanings set forth in the Agreement.  2.Section 1.2 of the Agreement is hereby deleted and the following is hereby inserted in lieu thereof:  1.2`Eligible Securities means all or any portion of the Investor Shares and any shares of Common Stock acquired by Investors upon conversion or exchange of the LP Interests.  3.Notwithstanding anything to the contrary contained in the Agreement, the parties hereby agree that the New Investor is deemed to be an Investor for purposes of the Agreement and, as such, is entitled to all of the rights of an Investor thereunder and is subject to all of the limitations thereon and that the New Units are deemed to be LP Interests for purposes of the Agreement. The New Investor hereby agrees to be bound by the terms of the Agreement, as amended hereby.  4.Except as set forth herein, the terms of the Agreement shall remain in full force and effect for the benefit of the Existing Investors and the New Investor.  5.This Amendment may be executed in counterparts, each of which shall be deemed an original and all which together shall constitute the same document.  6.This Amendment, to the extent executed by any person or entity in his or its capacity as trustee of a trust, is executed by such person or entity solely as such trustee and not in an individual capacity. The execution by such person or entity of this Amendment in his or its


capacity as trustee shall not create any liability on, or require the performance of any covenant by, any such trustee individually nor subject the individual property of any trustee to any liability.  IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date set forth above.  REIT:GENERAL
  GROWTH PROPERTIES, INC., aDelaware
  corporationBy:
  /s/
  Jon BatesoleName:
  Jon
  BatesoleTitle:
  Senior
  Vice PresidentEXISTING
  INVESTOR:MB
  CAPITAL PARTNERS III, a SouthDakota
  general partnershipBy:
  MBA
  Trust, a partnerBy:
  General
  Trust Company,not
  individually but solely as trusteeBy:
  /s/
  Michael GreavesName:
  Michael
  GreavesTitle:
  Vice
  PresidentNEW
  INVESTOR:GENERAL
  GROWTH COMPANIES, INC., aDelaware
  corporationBy:
  /s/
  John BucksbaumName:
  John
  BucksbaumTitle:
  Vice President  2