Document:

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                                                                   Exhibit 10.12

                                    AMENDMENT
                                       TO
                           SECOND AMENDED AND RESTATED
                        AGREEMENT OF LIMITED PARTNERSHIP
                           OF GGP LIMITED PARNTERSHIP

     THIS AMENDMENT (the "Amendment") is made and entered into on September 30,
2006, by and among the undersigned parties.

                                   WITNESSETH:

     WHEREAS, a Delaware limited partnership known as GGP Limited Partnership
(the "Partnership") exists pursuant to that certain Second Amended and Restated
Agreement of Limited Partnership of GGP Limited Partnership dated as of April 1,
1998, as amended (the "Second Restated Partnership Agreement"), and the Delaware
Revised Uniform Limited Partnership Act;

     WHEREAS, General Growth Properties, Inc., a Delaware corporation, is the
general partner of the Partnership (the "General Partner");

     WHEREAS, pursuant to the Second Restated Partnership Agreement the General
Partner is issued from time to time additional common units of partnership upon
issuance by the General Partner of certain shares of its common stock;

     WHEREAS, on August 3, 2005 the Board of Directors of the General Partner
approved a repurchase program to re-purchase shares of its common stock on the
open market (the "Common Stock Repurchase Program"); and

     WHEREAS, the parties hereto, being the sole general partner of the
Partnership and the holders of a Majority-in-Interest of the Common Units,
desire to amend the Second Restated Partnership Agreement to (a) reflect such
re-purchases by reducing the number of partnership units held by the General
Partner in proportion to the number of shares of common stock re-purchased and
(b) set forth certain other understandings.

     NOW, THEREFORE, in consideration of the mutual covenants and agreements
herein contained and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto do herby agree
as follows:

     1. CAPITALIZED TERMS. Capitalized terms used but not defined herein shall
have the definitions assigned to such terms in the Second Restated Partnership
Agreement.

     2. REDUCTION OF UNITS, ETC. In connection with the Common Stock Repurchase
Program the Partnership hereby (a) reduces the General Partner's Common Units by
a number equal to the number of previously re-purchased shares of its common

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stock; and (b) agrees that upon the re-purchase by the General Partner of shares
of its common stock the Partnership shall reduce the General Partner's Common
Units by an equal number of Common Units.

     3. NEW EXHIBIT A. Exhibit A to the Second Restated Partnership Agreement,
identifying the Partners, the number and class of series of Units owned by them
and their respective Percentage Interests, if any, is hereby deleted in its
entirety and the Exhibit A in the form attached hereto is hereby inserted in its
place and stead.

     4. COUNTERPARTS. This Amendment may be executed in counterparts, each of
which shall be an original and all of which together shall constitute the same
document.

     5. OTHER PROVISIONS UNAFFECTED. Except as expressly amended hereby, the
Second Restated Partnership Agreement shall remain in full force and effect in
accordance with its terms.

                   [REMAINDER OF PAGE INTENTIONALL LEFT BLANK]

                                        2

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     IN WITNESS WHEREOF, the undersigned have executed this Amendment on the day
and year first written above.

GENERAL PARTNER:

GENERAL GROWTH PROPERTIES, INC.,
a Delaware corporation

By: /S/ Bernard Freibaum
    ---------------------------------
    Bernard Freibaum, Executive
    Vice President

LIMITED PARTNERS:

M.B. CAPITAL PARTNERS III, a South
Dakota general partnership

By: GENERAL TRUST COMPANY, not
    individually but solely as
    Trustee of Martin Investment
    Trust G, a partner

By: /S/ E. Michael Greaves
    ---------------------------------
    E. Michael Greaves,
    Vice President

                                        3<PAGE>

                                                                   Exhibit 10.13

                                TWELFTH AMENDMENT
                                       TO
                           SECOND AMENDED AND RESTATED
                        AGREEMENT OF LIMITED PARTNERSHIP
                           OF GGP LIMITED PARNTERSHIP

     THIS AMENDMENT (this "Amendment") is made and entered into on December 31,
2006, by and among the undersigned parties.

                                   WITNESSETH:

     WHEREAS, a Delaware limited partnership known as GGP Limited Partnership
(the "Partnership") exists pursuant to that certain Second Amended and Restated
Agreement of Limited Partnership of GGP Limited Partnership dated as of April 1,
1998, as amended (the "Partnership Agreement"), and the Delaware Revised Uniform
Limited Partnership Act;

     WHEREAS, General Growth Properties, Inc., a Delaware corporation, is the
sole general partner of the Partnership (the "General Partner");

     WHEREAS, certain holders of Series C Preferred Units have converted all of
such Units into Common Units pursuant to Section 7 of Schedule A to the Sixth
Amendment to the Partnership Agreement, dated November 27, 2002 (the "Series C
Amendment");

     WHEREAS, pursuant to the Series C Amendment the Partnership is required to
amend the Partnership Agreement to reflect the conversion and issuance of the
Common Units;

     WHEREAS, the parties hereto, being the General Partner and the holder of a
Majority-in-Interest of the Common Units, desire to amend the Partnership
Agreement in order to reflect such conversion and issuance of Common Units by
deleting and replacing Exhibit A to the Partnership Agreement in its entirety;
and

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     WHEREAS, the General Partner and the holder of a Majority-in-Interest of
the Common Units have the right to amend the Partnership Agreement pursuant to
Section 13.7 of the Partnership Agreement.

     NOW, THEREFORE, in consideration of the mutual covenants and agreements
herein contained and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto do herby agree
as follows:

     1. CAPITALIZED TERMS. Capitalized terms used but not defined herein shall
have the definitions assigned to such terms in the Partnership Agreement.

     2. NEW EXHIBIT A. Exhibit A to the Partnership Agreement, identifying the
Partners, the number and class of series of Units owned by each of them and
their respective Percentage Interests, if any, is hereby deleted in its entirety
and the Exhibit A in the form attached hereto is hereby inserted in its place
and stead.

     3. OTHER PROVISIONS UNAFFECTED. Except as expressly amended hereby, the
Partnership Agreement shall remain in full force and effect in accordance with
its terms.

     4. COUNTERPARTS. This Amendment may be executed in counterparts, each of
which shall be an original and all of which together shall constitute the same
document.

                   [REMAINDER OF PAGE INTENTIONALL LEFT BLANK]

                                        2

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     In witness whereof, THE UNDERSIGNED HAVE EXECUTED THIS Amendment on the day
and year first written above.

GENERAL PARTNER:

GENERAL GROWTH PROPERTIES, INC.,
a Delaware corporation

By: /S/ Bernard Freibaum
    ---------------------------------
    Bernard Freibaum, Executive
    Vice President

MAJORITY-IN-INTEREST LIMITED PARTNER:

M.B. CAPITAL PARTNERS III, a South
Dakota general partnership

By: GENERAL TRUST COMPANY, not
    individually but solely as
    Trustee of Martin Investment
    Trust G, a partner

By: /S/ E. Michael Greaves
    ---------------------------------
    E. Michael Greaves,
    Vice President

                                        3exv10w13

 

EXHIBIT
10.13

VCA
ANTECH INC.

SUMMARY OF BOARD OF DIRECTORS COMPENSATION

          The
following table sets forth the Company’s current compensation
arrangements with its non-employee directors.

	 	 	 
	Annual Retainer:

	 	$10,000 per annum

(payable in 4 equal quarterly installments)
	 
	 	 
	In
Person Board or

Committee Meeting:

	 	$2,000 per meeting
	 
	 	 
	Telephonic Board or 

Committee Meeting:

	 	$1,000
	 
	 	 
	Audit Committee Chair Fee:

	 	$10,000 per annum

(payable in 4 equal quarterly installments)
	 
	 	 
	Equity Compensation:

	 	Upon appointment to the Board of
Directors, each non-employee director will
receive a grant, under our 2006 Equity
Incentive Plan, of 2,000 restricted shares
of stock.
	 
	 	 
	 

	 	These restricted shares will vest in three equal annual installments,
in each of the three 12-month periods (each an “annual period”)
following the date of grant on that day during such annual period which is the earlier to occur
of (a) the day immediately preceding the date of an annual meeting of the Company’s
stockholders occurring during such annual period and (b) on the anniversary of the date of grant.
	 
	 	 
	 

	 	In the event that the date of grant
is fewer than 12 months prior to the date
of the next annual meeting, the number of
shares granted will be reduced on a pro-rata basis, based
upon the number of months until the next annual meeting (e.g., if a
non-employee director is appointed January 1 and the next annual
meeting is April 1, such non-employee director will receive
500 restricted shares).
	 
	 	 
	 

	 	Each non-employee director will annually
receive a grant of 2,000 restricted
shares on the date of the annual meeting.
	 
	 	 
	 

	 	These restricted shares will vest in three equal annual
installments, in each of the three annual periods following the date of
grant on that day during such annual period which is the earlier to occur of (a) the day
immediately preceding the date of an annual meeting of the Company’s stockholders occurring during
such annual period and (b) on the anniversary of the date of grant.

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