Exhibit 4(z)


BLACKROCK FUNDS



Form of Addendum No. 10 to the Investment Advisory Agreement


This Addendum dated as of the           
day of                , 2014 is entered into by and
between BLACKROCK FUNDS, a Massachusetts business trust (the “Fund”) and BLACKROCK ADVISORS, LLC, a Delaware limited
liability company (the “Adviser”).


WHEREAS, the Fund and the Adviser have
entered into an Investment Advisory Agreement dated as of September 29, 2006 (the “Advisory Agreement”) pursuant to
which the Fund appointed the Adviser to act as investment adviser to certain investment portfolios of the Fund; and


WHEREAS, Section 1(b) of the Advisory
Agreement provides that in the event the Fund establishes one or more additional investment portfolios with respect to which it
desires to retain the Adviser to act as investment adviser under the Advisory Agreement, the Fund shall so notify the Adviser in
writing and if the Adviser is willing to render such services it shall so notify the Fund in writing; and


WHEREAS, pursuant to Section 1(b) of
the Advisory Agreement, the Fund has notified the Adviser that it is establishing BlackRock Multi-Manager Alternative
Strategies Fund (the
“New Portfolio”), and that it desires to retain the Adviser to act as the investment adviser therefore, and the Adviser
has notified the Fund that it is willing to serve as investment adviser to the New Portfolio;


NOW, THEREFORE, the parties hereto, intending
to be legally bound, hereby agree as follows:


		1.	Appointment. The Fund hereby appoints the Adviser to act as investment adviser to the New Portfolio for the period and
on the terms set forth in the Advisory Agreement. The Adviser hereby accepts such appointment and agrees to render the services
set forth in the Advisory Agreement with respect to the New Portfolio for the compensation herein provided.



		2.	Compensation.



The Adviser shall receive annual compensation from the
Fund on behalf of the New Portfolio for the services provided and the expenses assumed pursuant to the Advisory Agreement computed
daily and payable monthly, as a percentage of the New Portfolio’s average daily net assets, and calculated as follows:




    	 



    	 



    


 


	

 New Portfolio	Average Daily Net Assets	Management 

Fee Rate
	BlackRock Multi-Manager Alternative
Strategies Fund	
        First $1 billion

        $1 billion - $3 billion
	
        1.95%

        1.83%

	 	$3 billion - $5 billion	1.76%
	 	$5 billion - $10 billion	1.70%
	 	Greater than $10 billion	1.66%





		3.	Capitalized Terms. From and after the date hereof, the term “Portfolio” as used in the Advisory Agreement
shall be deemed to include BlackRock Multi-Manager Alternative
Strategies Fund.



		4.	Miscellaneous. Except to the extent supplemented hereby, the Advisory Agreement shall remain unchanged and in full force
and effect, and is hereby ratified and confirmed in all respects as supplemented hereby. Without limiting the generality of the
foregoing, it is understood that the Adviser may employ one or more sub-advisers for the New Portfolio pursuant to Section 2 of
the Advisory Agreement.



		5.	Release. “BlackRock Funds” and “Trustees of BlackRock Funds” refer respectively to the trust
created and the Trustees, as trustees but not individually or personally, acting from time to time under a Declaration of Trust
dated December 22, 1988, as amended, which is hereby referred to and a copy of which is on file at the office of the State Secretary
of the Commonwealth of Massachusetts and at the principal office of the Fund. The obligations of “BlackRock Funds”
entered into in the name or on behalf thereof by any of the Trustees, officers, representatives or agents are made not individually,
but in such capacities, and are not binding upon any of the Trustees, shareholders, officers, representatives or agents of the
Fund personally, but bind only the Trust Property (as defined in the Declaration of Trust), and all persons dealing with any class
of shares of the Fund must look solely to the Trust Property belonging to such class for the enforcement of any claims against
the Fund.



[End of Text]




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IN WITNESS WHEREOF, the parties hereto
have caused this Addendum No. 10 to the Advisory Agreement to be executed by their officers designated below as of the day and
year first above written.


	 	BLACKROCK FUNDS
	 	By:	 
	 	 	Name:
	 	 	Title:
	 	BLACKROCK ADVISORS, LLC
	 	By:	 
	 	 	Name:
	 	 	Title:


 








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