Amendment to the Index License Agreement for Funds, dated as of October 4, 2011



 Exhibit 10.66 
 CONFIDENTIAL TREATMENT REQUESTED. *********** INDICATES OMITTED MATERIAL THAT IS THE SUBJECT OF A CONFIDENTIAL TREATMENT REQUEST FILED SEPARATELY WITH THE COMMISSION. THE OMITTED MATERIAL HAS BEEN FILED
SEPARATELY WITH THE COMMISSION. 
 AMD_00421 
 Client Code/Reference No:130339 
 AMENDMENT 

Date of Amendment: October 4, 2011 
 AMENDMENT to the Index License Agreement for Funds (the “Agreement”), dated as of March 18, 2000, by and between MSCI Inc. (“MSCI”), a Delaware corporation, and
BlackRock Institutional Trust Company, N.A. (formerly known as Barclays Global Investors, N.A.) (“Licensee”). Capitalized terms used herein but not otherwise defined herein shall have the meanings ascribed in the Agreement.

  

	1.	Exhibit A of the Agreement is hereby amended to add the following Indexes: 


 

	 	•	 	 MSCI ACWI Select Agriculture Producers Investable Market Index 



	 	•	 	 MSCI ACWI Select Energy Producers Investable Market Index 



	 	•	 	 MSCI ACWI Select Metals & Mining Producers Ex Gold and Silver Investable Market Index 



	 	•	 	 MSCI ACWI Select Gold Miners Investable Market Index 



	 	•	 	 MSCI ACWI Select Silver Miners Investable Market Index 


 The above Indexes shall be collectively referred to hereunder as the “Commodity Producers Indexes”. 
  

	2.	Licensee may use the Commodity Producers Indexes and associated Marks solely with respect to the following Funds: 


 

	 	•	 	 *********** 



	 	•	 	 *********** 



	 	•	 	 *********** 



	 	•	 	 *********** 



	 	•	 	 *********** 


  

	3.	Licensee shall pay MSCI an annual license fee per Fund equal to ***********. For the avoidance of doubt, the terms set forth in this Section 3 shall only apply to
Funds based on the Commodity Producers Indexes. 

  

	4.	***********. 

  

	5.	Notwithstanding anything in the Agreement to the contrary, Licensee may publicly disclose the holdings of each Fund and Commodity Producers Indexes on daily basis on
its website, including www.ishares.com. For the avoidance of doubt, the terms set forth in this Section 3 shall only apply to Funds based on the Commodity Producers Indexes. 


 

	6.	For the avoidance of doubt, the terms contained in Exhibit B of the Agreement, including, but not limited to the requirement that all Funds be listed on an U.S.
domiciled stock exchange only, shall apply to all Funds based on the Commodity Producers Indexes. 

  

	7.	This Amendment is intended to amend and operate in conjunction with the Agreement and together this Amendment and the Agreement constitute the complete and exclusive
statement of the agreement between the parties and supersede in full all prior proposals and understandings, oral or written, relating to the subject matter hereof. To the extent that any terms of this Amendment conflict with any terms of the
Agreement, the terms of this Amendment shall control. No right or license of any kind is granted to Licensee except as expressly provided in the Agreement and this Amendment. 








 AMD_00421 
  

	8.	MSCI may terminate this Amendment with respect to any Index(es) in the event that Licensee does not list a Fund based such Index(es) on an exchange within 1 year of the
date of this Amendment. 

  

	9.	This Amendment shall be governed by, and construed in accordance with, the laws of the State of New York without regard to its conflict or choice of laws principles.


  

									
	 LICENSEE: Blackrock Institutional
 Trust Company, N.A.
	 		 	MSCI Inc.
					
	By	 	/s/ Jenni A. Lee        	 		 	By	 	/s/ Paul Friedman
	 Name 
	 	Jenni A. Lee	 		 	Name 	 	Paul Friedman
		 	(printed)	 		 		 	(printed)
	 Title
	 	Director	 		 	 Title
	 	Executive Director
	 Date
	 	11/20/2011	 		 	Date	 	 

  

			
	 LICENSEE: Blackrock Institutional
 Trust Company, N.A.

		
	By	 	/s/ Timothy M. Meyer        
	 Name 
	 	Timothy M. Meyer
		 	(printed)
	 Title
	 	M. Director
	 Date
	 	11/20/2011