Document:

Form of Floating Rate Senior Notes

 EXHIBIT 4.7 
 Form of Floating Rate Senior Notes due 2014 
 THIS DEBT SECURITY IS A GLOBAL SECURITY
WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A NOMINEE THEREOF. THIS DEBT SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS DEBT
SECURITY IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE. 
 UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO BERKSHIRE HATHAWAY FINANCE CORPORATION OR ITS AGENT FOR
REGISTRATION OR TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO.
OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN
INTEREST HEREIN. 

 BERKSHIRE HATHAWAY FINANCE CORPORATION 

............................................................................ 

Floating Rate Senior Notes due 2014 
 CUSIP: 084664 BP5 
 ISIN:
US084664BP50 
  

			
	No.	  	 $
 (as revised by the Schedule of Increases and
 Decreases in Global Security attached
hereto)

 BERKSHIRE HATHAWAY FINANCE CORPORATION, a corporation duly organized and existing under the laws of
the State of Delaware (herein called the “Company”, which term includes any successor Person under the Indenture hereinafter referred to), for value received, hereby promises to pay to CEDE & CO., the registered Holder hereof, the
principal sum of                  Million Dollars ($            ) (as revised by
the Schedule of Increases and Decreases in Global Security attached hereto) on January 10, 2014 (the “Stated Maturity Date”), and to pay interest thereon in arrears at a rate per annum equal to 0.63313% (the “Initial Interest
Rate”) from, and including, January 11, 2011, to, but excluding, April 10, 2011, and thereafter, except as specified herein, at a rate per annum equal to LIBOR (as determined on each Interest Determination Date in accordance with the
provisions below under the heading “Determination of LIBOR”) plus 0.330% (the “Interest Rate”), until the principal hereof is paid or made available for payment; provided that any principal, and any such installment of
interest, which is overdue shall bear interest at the Interest Rate (as it shall be adjusted on each Interest Payment Date and to the extent that the payment of such interest shall be legally enforceable), from the dates such amounts are due until
they are paid or made available for payment, and such interest shall be payable on demand. The Company will make payments of such interest quarterly in arrears on January 10, April 10, July 10 and October 10 of each
year (each, an “Interest Payment Date”), commencing on April 10, 2011, and on the Stated Maturity Date; provided, however, that if an Interest Payment Date, other than the Stated Maturity Date, would fall on a day that
is not a Business Day (as defined below), such Interest Payment Date will be postponed to the next Business Day and interest will accrue to but excluding the date interest is paid. However, if the postponement would cause the day to fall in the next
calendar month, such Interest Payment Date shall be the immediately preceding Business Day; provided, further, that if the Stated Maturity Date falls on a day that is not a Business Day, payment of principal, premium, if any, and/or
interest to be made on the Stated Maturity Date shall be made on the next Business Day with the same force and effect as if made on the Stated Maturity Date (without any interest or other payment in respect of such delay). For purposes of this Debt
Security, “Business Day” means any day other than a Saturday, Sunday or other day that, in the Borough of Manhattan, New York City, banking institutions generally are authorized or obligated by law, regulation or executive order to close
and provided, further, the day must also be a London Business Day. “London Business Day” means any day on which dealings in deposits in U.S. Dollars are transacted in the London interbank market. The interest so payable, and
punctually paid or duly provided for, on any Interest Payment Date will, as provided in such Indenture, be paid to the Person in whose name this Debt Security (or one or more Predecessor Securities) is registered at the close of business on each
respective January 1, April 1, July 1 or October 1 immediately preceding such Interest Payment Date, whether or not a Business Day (each such date being referred to herein as a “Regular Record Date”). Any such
interest not so punctually paid or duly provided for will forthwith cease to be payable to the Holder on such Regular Record Date and may either be paid to the Person in whose name this Debt Security (or one or more Predecessor Securities) is
registered at the close of business on a Special Record Date for the payment of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be given to Holders of Debt Securities of

 
this series not less than 10 days prior to such Special Record Date, or be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange on
which the Debt Securities of this series may be listed, and upon such notice as may be required by such exchange, all as more fully provided in such Indenture. 
 Payment of the principal of and interest on this Debt Security will be made at the office or agency of the Company maintained for that purpose in the City of New York, New York (or, if the Company does
not maintain such office or agency, at the corporate trust office of the Trustee in the City of New York or if the Trustee does not maintain an office in the City of New York, at the office of a Paying Agent in the City of New York), in such coin or
currency of the United States of America as at the time of payment is legal tender for payment of public and private debt; provided, however, that at the option of the Company payments of principal or interest may be made by check mailed to
the address of the Person entitled thereto as such address shall appear in the Security Register. 
 The interest payable hereon
on each Interest Payment Date or the Stated Maturity Date, as the case may be, will include interest accrued from, and including, the most recent Interest Payment Date to which interest has been paid or duly provided for, or, if no interest has been
paid or duly provided for, from and including January 11, 2011, as the case may be, to, but excluding, such Interest Payment Date or the Stated Maturity Date, as the case may be (each, an “Interest Period”). Accrued interest on this
Debt Security will be calculated by multiplying the outstanding principal amount hereof by an accrued interest factor. Such accrued interest factor will be computed by adding the interest factors calculated for each day in the Interest Period for
which accrued interest is being paid. The interest factor for each such day is computed by dividing the Interest Rate applicable to such day by 360. The Interest Rate in effect on any Interest Payment Date will be the Interest Rate as reset in
accordance herewith on that date. The Interest Rate applicable to any other day is the Interest Rate as reset on the immediately preceding Interest Payment Date, or if none, the Initial Interest Rate. 

This Debt Security will bear interest at the Interest Rate (i.e. LIBOR plus 0.330%) by reference to LIBOR determined in accordance with
the provisions set forth below. Commencing with April 10, 2011 and thereafter on each succeeding Interest Payment Date specified above, the rate at which interest on this Debt Security is payable shall be reset as of each such Interest Payment
Date; provided, however, that the Interest Rate in effect for the period from, and including, January 11, 2011 to, but excluding, April 10, 2011 (i.e. the first Interest Payment Date) will be the Initial Interest Rate.

 Except as set forth in the immediately preceding paragraph, the Interest Rate applicable to an Interest Period commencing on
any Interest Payment Date will be determined by reference to LIBOR (determined in accordance with the provisions set forth below) as of the particular “Interest Determination Date” for such period, which will be the second London Business
Day preceding the related Interest Payment Date commencing such Interest Period. Notwithstanding the foregoing, the Interest Rate hereon shall in no event be higher than the maximum rate permitted by New York law as the same may be modified by
United States law of general application. 
 Subject to applicable provisions of law and except as specified herein, the
Calculation Agent will, as of each applicable Interest Determination Date, calculate the Interest Rate payable during each applicable Interest Period in accordance with the provisions specified below. 

Unless otherwise specified, all percentages resulting from any calculation of the rate of interest on this Debt Security will be rounded,
if necessary, to the nearest one hundred-thousandth of a percentage point, (with .000005% rounded up to .00001%), and all U.S. dollar amounts used in or resulting from such calculation on this Note will be rounded to the nearest cent (with one-half
cent rounded upward). 

 Determination of LIBOR. “LIBOR” as of each Interest Determination Date for each
applicable Interest Period will be: (i) the rate for deposits in U.S. dollars for a period of three months, commencing on the applicable Interest Payment Date, that appears on the Reuters Page LIBOR01 Page, or any successor service, at
approximately 11:00 a.m., London time, on the applicable Interest Determination Date, or (ii) if no such rate appears, then the Calculation Agent will request the principal London offices of each of four major reference banks in the London
interbank market, as selected by the Calculation Agent after consultation with the Company, to provide the Calculation Agent with its offered quotation for deposits in U.S. dollars for a period of three months, commencing on the related Interest
Payment Date commencing the applicable Interest Period, to prime banks in the London interbank market at approximately 11:00 a.m., London time, on that Interest Determination Date and in a principal amount that is representative of a single
transaction in U.S. dollars in that market at that time (the quotations referred to in this clause (ii) shall be referred to as “Offered Quotations”). If at least two Offered Quotations are provided as requested, LIBOR determined by
the Calculation Agent on that Interest Determination Date will be the arithmetic mean of those quotations. If fewer than two Offered Quotations are provided as requested, LIBOR determined by the Calculation Agent on that Interest Determination Date
will be the arithmetic mean of the rates quoted at approximately 11:00 a.m., New York time, on that Interest Determination Date, by three major banks in New York City, as selected by the Calculation Agent after consultation with the Company for
loans in U.S. dollars to leading European banks, for a period of three months, commencing on the applicable Interest Payment Date, and in a principal amount that is representative of a single transaction in U.S. dollars in that market at that time.
If the banks so selected by the Calculation Agent are not quoting as set forth above, LIBOR for the Interest Period to which that Interest Determination Date relates will remain LIBOR for the immediately preceding Interest Period, or, if there was
no preceding Interest Period, the rate of interest payable will be the Initial Interest Rate. 
 The Bank of New York Mellon
Trust Company, N.A. will be the Calculation Agent. 
 Reference is hereby made to the further provisions of this Debt Security
set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as if set forth at this place. 
 Unless the certificate of authentication hereon has been executed by the Trustee referred to on the reverse hereof by manual signature, this Debt Security shall not be entitled to any benefit under the
Indenture or be valid or obligatory for any purpose. 

 IN WITNESS WHEREOF, the Company has caused this instrument to be duly executed. 

 

									
		 	Dated: January 11, 2011	 		 	BERKSHIRE HATHAWAY FINANCE CORPORATION
					
		 		 		 	By:	 	  

		 		 		 	Name:	 	Marc D. Hamburg
		 		 		 	Title:	 	President

 Attest: 

 

			
	
		
		 	  

	Name:	 	Daniel J. Jaksich
	Title:	 	Assistant Secretary

 [REVERSE OF DEBT SECURITY] 

This Debt Security is one of a duly authorized series of notes of the Company (herein called the “Debt Securities”), issued and
to be issued in one or more series under an Indenture, dated as of February 1, 2010 (herein called the “Base Indenture”, and as supplemented by the Officers’ Certificate dated January 11, 2011, together with the Base
Indenture, called the “Indenture”), among the Company, as issuer, Berkshire Hathaway Inc., as guarantor (herein called the “Guarantor,” which term shall include any successor Guarantor under the Indenture), and The Bank of New
York Mellon Trust Company, N.A., as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture), and reference is hereby made to the Indenture for a statement of the respective rights, limitations
of rights, duties and immunities thereunder of the Company, the Guarantor, the Trustee and the Holders of the Debt Securities and of the terms upon which the Debt Securities are, and are to be, authenticated and delivered. This Debt Security is one
of the series designated on the face hereof, initially limited in aggregate principal amount to $375,000,000. The Company may at any time issue additional securities under the Indenture in unlimited amounts having the same terms as the Debt
Securities, provided that no additional securities of a series may be issued if at the time of issuance an Event of Default has occurred and is continuing with respect to such series of securities. 

This Debt Security does not have the benefit of any sinking fund obligation. 

This Debt Security is not redeemable prior to the Stated Maturity Date. 

The Indenture contains provisions for defeasance at any time of the entire Indebtedness of this Debt Security or of certain restrictive
covenants and Events of Default with respect to this Debt Security, in each case upon compliance with certain conditions set forth in the Indenture. 
 If an Event of Default with respect to the Debt Securities of this series shall occur and be continuing, the principal of the Debt Securities of this series may be declared due and payable in the manner
and with the effect provided in the Indenture. 
 The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the Company and the Guarantor and the rights of the Holders of the Debt Securities of each series and of Guarantees to be affected under the Indenture at any time by the
Company, the Guarantor and the Trustee with the consent of the Holders of a majority in principal amount of the Debt Securities at the time Outstanding of each series to be affected. The Indenture also contains provisions permitting the Holders of
specified percentages in principal amount of the Debt Securities of each series at the time Outstanding, on behalf of the Holders of all Debt Securities of such series, to waive compliance by the Company and/or the Guarantor with certain provisions
of the Indenture and certain past defaults under the Indenture and their consequences. Any such consent or waiver by the Holder of this Debt Security shall be conclusive and binding upon such Holder and upon all future Holders of this Debt Security
and of any Debt Security issued upon the registration of transfer hereof or in exchange herefor or in lieu hereof, whether or not notation of such consent or waiver is made upon this Debt Security. 

As provided in and subject to the provisions of the Indenture, the Holder of this Debt Security shall not have the right to institute any
proceeding with respect to the Indenture or for the appointment of a receiver or trustee or for any other remedy thereunder, unless such Holder shall have previously given the Trustee written notice of a continuing Event of Default with

 
respect to the Debt Securities of this series, the Holders of not less than 25% in principal amount of the Debt Securities of this series at the time Outstanding shall have made written request
to the Trustee to institute proceedings in respect of such Event of Default as Trustee and offered the Trustee indemnity or security reasonably satisfactory to it, and the Trustee shall not have received from the Holders of a majority in principal
amount of Debt Securities of this series at the time Outstanding a direction inconsistent with such request, and shall have failed to institute any such proceeding, for 60 days after receipt of such notice, request and offer of indemnity. The
foregoing shall not apply to any suit instituted by the Holder of this Debt Security for the enforcement of any payment of principal hereof or any premium or interest hereon on or after the respective due dates expressed herein. 

No reference herein to the Indenture and no provision of this Debt Security or of the Indenture shall alter or impair the obligation of
the Company, which is absolute and unconditional, to pay the principal of and any interest on this Debt Security at the times, place and rate, and in the coin or currency, herein prescribed. 

As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Debt Security is registrable in
the Security Register, upon surrender of this Debt Security for registration of transfer at the office or agency of the Company in any place where the principal of and any premium and interest on this Debt Security are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed by, the Holder hereof or its attorney duly authorized in writing, and thereupon one or more new Debt Securities of this
series and of like tenor, of authorized denominations and for the same aggregate principal amount, will be issued to the designated transferee or transferees. 
 The Indenture and this Debt Security are governed by the laws of the State of New York, without regard to conflicts of laws provisions thereof. 

The Debt Securities of this series are issuable in registered form without coupons in minimum denominations of $2,000 and integral
multiples of $1,000 in excess thereof. As provided in the Indenture and subject to certain limitations therein set forth, Debt Securities of this series are exchangeable for a like aggregate principal amount of Debt Securities of this series and of
like tenor of a different authorized denomination, as requested by the Holder surrendering the same. 
 No service charge shall
be made to a Holder for any such registration of transfer or exchange, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge payable in connection therewith. 

Prior to due presentment of this Debt Security for registration of transfer, the Company, the Guarantor, the Trustee and any agent
thereof may treat the Person in whose name this Debt Security is registered as the owner hereof for all purposes, whether or not this Debt Security be overdue, and none of the Company, the Guarantor, the Trustee or any such agent shall be affected
by notice to the contrary. 
 Except in the limited circumstances described in Section 3.05 of the Indenture, the Debt
Securities of this series shall be issued in the form of one or more Global Securities and the Depository Trust Company shall be the Depositary for such Global Security or Securities. 

All terms used in this Debt Security which are not defined herein and are defined in the Indenture shall have the meanings assigned to
them in the Indenture. 

 GUARANTEE OF BERKSHIRE HATHAWAY INC. 

FOR VALUE RECEIVED, Berkshire Hathaway Inc., a Delaware corporation (the “Guarantor”), hereby absolutely, unconditionally and
irrevocably guarantees to the holders (the “Holders”) of any security authenticated and delivered (each a “Security”) by The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”) under that certain
Indenture, dated as of February 1, 2010 (the “Indenture”), among the Trustee, the Guarantor and Berkshire Hathaway Finance Corporation, a Delaware corporation (“Issuer”), the full and prompt payment when due (whether at
stated maturity, by acceleration or otherwise) of all present and future payment obligations of the Issuer pursuant to the terms of such Security and/or the Indenture, whether direct or indirect, absolute or contingent, and whether for principal,
interest, fees, expenses, indemnification or otherwise (collectively, the “Obligations”). Nothing herein shall be deemed to guarantee any obligation of the Issuer other than the Obligations. Nothing herein shall be deemed to guarantee any
obligation of any person or entity other than the Issuer. 
 The Guarantor’s obligations hereunder shall be unconditional
and absolute, and shall not be released, discharged or otherwise affected by (i) the existence, validity, enforceability, perfection or extent of any collateral therefor, (ii) any lack of validity or enforceability of any provision of the
Security or the Indenture, (iii) any liquidation, bankruptcy, insolvency, reorganization or other similar proceeding affecting the Issuer or its assets, or (iv) any other circumstance relating to the Obligations that might otherwise
constitute a legal or equitable discharge of, or defense to, the Guarantor. The Guarantor agrees that the Holders and/or the Trustee may resort to the Guarantor, as primary obligor and not merely as surety, for payment of any of the Obligations
whether or not the Holders or the Trustee shall have proceeded against the Issuer or any other obligor principally or secondarily obligated with respect to any of the Obligations. Neither the Holders nor the Trustee shall be obligated to file any
claim relating to any of the Obligations in the event that the Issuer becomes subject to a bankruptcy, reorganization or similar proceeding, and the failure of the Holders or the Trustee to so file shall not affect the Guarantor’s obligations
hereunder. In the event that any payment to the Holders by the Issuer in respect of any Obligations is rescinded or must otherwise be returned for any reason whatsoever, the Guarantor shall remain liable hereunder with respect to such Obligations as
if such payment had not been made. 
 The Guarantor agrees that, subject to the Indenture, the Holders and/or the Trustee may at
any time and from time to time, either before or after the maturity thereof, without notice to or further consent of the Guarantor, extend the time of payment of, exchange or surrender any collateral for, or renew any of the Obligations, and may
also make any agreement with the Issuer or with any other party to or person liable on any of the Obligations or interested therein, for the extension, renewal, payment, compromise, discharge or release thereof, in whole or in part, or for any
modification of the terms thereof or of any agreement between the Holders, the Trustee and the Issuer or any such other party or person, and that none of the foregoing shall in any way impair or affect this Guarantee. 

The Guarantor hereby unconditionally and irrevocably waives, to the fullest extent permitted by law, (a) notice of the acceptance of
this Guarantee and of the Obligations, presentment, demand for payment, notice of dishonor and protest, (b) any requirement that any Holder exhaust any right or take any action against the Issuer, and (c) any right to revoke this
Guarantee. 

 The Guarantor agrees to pay on demand all fees and out-of-pocket expenses incurred by the
Holders or the Trustee in any way relating to the enforcement or protection of the rights of the Holders and/or the Trustee hereunder. 
 Upon payment of any of the Obligations, the Guarantor shall be subrogated to the rights of the Holders and/or the Trustee against the Issuer with respect to such Obligations, and the Holders and the
Trustee agree to take such steps, at the Guarantor’s expense, as the Guarantor may reasonably request to implement such subrogation; provided, however, that the Guarantor shall not be entitled to enforce, or to receive any payments arising out
of or based upon, such right of subrogation during any period in which any amount payable by the Issuer under the Security or the Indenture is overdue or unpaid. 
 No failure on the part of the Holders or the Trustee to exercise, and no delay in exercising, any right, remedy or power hereunder shall operate as a waiver thereof, nor shall any single or partial
exercise by the Holders or the Trustee of any right, remedy or power hereunder preclude any other or future exercise of any right, remedy or power. Each and every right, remedy and power hereby granted to the Holders or the Trustee or allowed any of
them by law or other agreement shall be cumulative and not exclusive of any other, and may be exercised by the Holders or the Trustee at any time or from time to time. 
 The Guarantor hereby represents and warrants that: 
 (a) the Guarantor is duly organized, validly
existing and in good standing as a corporation under the laws of the State of Delaware and has full corporate power to execute, deliver and perform this Guarantee; 
 (b) the execution, delivery and performance of this Guarantee have been and remain duly authorized by all necessary corporate action and do not contravene any provision of the Guarantor’s certificate
of incorporation or by-laws, as amended to date, or any law, regulation, rule, decree, order, judgment or contractual restriction binding on the Guarantor or its assets; 
 (c) all consents, licenses, clearances, authorizations and approvals of, and registrations and declarations with, any governmental authority or regulatory body necessary for the due execution, delivery
and performance of this Guarantee have been obtained and remain in full force and effect and all conditions thereof have been duly complied with, and no other action by, and no notice to or filing with, any governmental authority or regulatory body
is required in connection with the execution, delivery or performance of this Guarantee; 
 (d) this Guarantee constitutes a legal, valid and
binding obligation of the Guarantor enforceable against the Guarantor in accordance with its terms, subject to bankruptcy, insolvency, reorganization, moratorium and other laws of general applicability relating to or affecting creditors’ rights
and to general equity principles; and 
 (e) there are no actions, suits or arbitration proceedings pending or, to the knowledge of the
Guarantor, threatened against it, at law or in equity, which, individually or in the aggregate, if adversely determined, would materially adversely affect the financial condition of the Guarantor or materially impair its ability to perform its
obligations under this Guarantee. 
 The Guarantor may not assign its obligations hereunder to any person (except as permitted
by the Indenture) without the prior written consent of the Holders or the Trustee. 

 All payments by the Guarantor to the Holders or the Trustee shall be made in accordance with
the provisions of the Indenture and the Security; provided, however, that payment of any fees or expenses pursuant to the fifth paragraph hereof shall be made by wire transfer of immediately available funds to an account at a commercial bank in the
United States specified to the Guarantor at least ten (10) days in advance of any demand for payment by the Holders or the Trustee. 
 All notices or demands on the Guarantor shall be deemed effective when received, shall be in writing and shall be delivered by hand or by registered mail, or by facsimile transmission promptly confirmed
by registered mail, addressed to the Guarantor at: 
 Berkshire Hathaway Inc. 

3555 Farnam Street 
 Omaha, NE 68131 
 Attention: Chief Financial Officer 

Facsimile: (402) 346-3375 
 or to such other addresses or facsimile numbers as the Guarantor shall have notified the Holders or the Trustee in a written notice delivered in accordance with the Indenture. 

This Guarantee shall remain in full force and effect and shall be binding on the Guarantor, its successors and assigns until all of the
Obligations have been satisfied in full. 
 This Guarantee shall be governed by, and construed in accordance with, the laws of
the State of New York applicable to contracts made and to be performed solely within such State. 
 No amendment or waiver of
any provision of this Guarantee shall in any event be effective unless the same shall be in writing and signed by the Trustee and the Guarantor. 
 If for any reason any provision or provisions hereof are determined to be invalid and contrary to any existing or future law, such invalidity shall not, to the fullest extent permitted by law, impair the
operation of or effect of those portions of this Guarantee that are valid. 
 THE GUARANTOR WAIVES ANY RIGHT IT MAY HAVE TO A
JURY TRIAL IN CONNECTION WITH ANY ACTION, SUIT OR PROCEEDING ARISING OUT OF OR RELATED IN ANY WAY TO THIS GUARANTEE. 

  

									
		 	Dated: January 11, 2011	 		 	BERKSHIRE HATHAWAY INC.
					
		 		 		 	By:	 	  

		 		 		 	Name:	 	Marc D. Hamburg
		 		 		 	Title:	 	Senior Vice President and Chief Financial Officer

 SCHEDULE OF INCREASES OR DECREASES IN GLOBAL SECURITY 

The following increases or decreases in this Debt Security have been made: 

 

									
	 Date of exchange
	 	 Amount of decrease in
principal amount of

this Debt Security
	 	 Amount of increase in principal
amount of this

Debt Security
	 	 Principal amount of this
 Debt Security following
 such decrease or
increase
	 	 Signature of authorized
signatory of Trustee or

Security Custodian

		 		 		 		 	
		 		 		 		 	

 ASSIGNMENT 
 FOR VALUE RECEIVED, the undersigned assigns and transfers this Debt Security to: 
  

 
  

 
 (Insert
assignee’s social security or tax identification number) 
  

 
  

 
  

 
 (Insert address
and zip code of assignee) 
 and irrevocably appoints
                     as agent to transfer this Debt Security on the Security Register. The agent may substitute another to act for him or her.

  

							
	Dated:	  	Signature:	  		  	
				
		  	Signature Guarantee:	  		  	

 (Sign exactly as your name appears on the other side of this Debt Security) 

Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the Security Registrar, which
requirements include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Security Registrar in addition to, or in
substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended.Bylaws, as amended and restated to date

 Exhibit 4.2 
 AMENDED AND RESTATED BYLAWS 
 OF 

IMMUNOCELLULAR THERAPEUTICS, LTD. 
 ARTICLE I 
 OFFICES 

Section 1. Registered Office. The registered office of ImmunoCellular Therapeutics, Ltd. (the “Corporation”) shall
be at 1209 Orange Street, City of Wilmington, County of Kent, Delaware 19901. The registered agent at this address is The Corporation Trust Company. 
 Section 2. Other Offices. The Corporation may also have offices at such other places both within and without the United States as the Board of Directors of the Corporation (the “Board of
Directors”) may from time to time determine. 
 ARTICLE II 

MEETINGS OF STOCKHOLDERS 
 Section 1. Place of Meetings. Meetings of the stockholders for the election of directors or for any other purpose shall be held at such time and place, either within or without the State of
Delaware, as shall be designated from time to time by the Board of Directors and stated in the notice of the meeting or in a duly executed waiver of notice thereof. 
 Section 2. Annual Meetings. The annual meeting of stockholders shall be held on such date and at such time as may be fixed by the Board of Directors and stated in the notice of the meeting,
for the purpose of electing directors and for the transaction of only such other business as is properly brought before the meeting in accordance with these bylaws (“Bylaws”) 

Written notice of an annual meeting stating the place, date and hour of the meeting, shall be given to each stockholder entitled to vote
at such meeting at his, her or its address last known as the same appears on the books of the Corporation, not less than ten (10) nor more than sixty (60) days before the date of the meeting. 

To be properly brought before the annual meeting, business must be either (i) specified in the notice of annual meeting (or any
supplement or amendment thereto) given by or at the direction of the Board of Directors, (ii) otherwise brought before the annual meeting by or at the direction of the Board of Directors, or (iii) otherwise properly brought before the
annual meeting by a stockholder. In addition to any other applicable requirements, for business to be properly brought before an annual meeting by a stockholder, the stockholder must have given timely notice thereof in writing to the Secretary of
the Corporation. To be timely, a stockholder’s notice must be delivered to or mailed and received at the principal executive offices of the Corporation not less than one hundred and twenty (120) days prior to the anniversary of the date on
which the proxy statement for the immediately preceding annual meeting was mailed to stockholders, or if the Corporation did not hold an annual meeting in the prior year or if the date of the annual meeting occurs more than thirty (30) days
before or after the anniversary of such immediately preceding annual meeting, not later than the close of business on the later of the sixtieth (60th) day prior to such annual meeting and the tenth (10th) day following the date on which
public announcement of the date of such annual meeting is first made. A stockholder’s notice to the Secretary shall set forth (a) as to each matter the stockholder proposes to bring before the annual meeting (i) a brief description of
the business desired to be brought before the annual meeting and the reasons for conducting such business at the annual meeting, and (ii) any material interest of the stockholder in such business, and (b) as to the stockholder giving the
notice (1) the name and record address of the stockholder and (ii) the class, series and number of shares of capital stock of the Corporation that are beneficially owned by the stockholder. Notwithstanding anything in these Bylaws to the
contrary, no business shall be conducted at the annual meeting except in accordance with the procedures set forth in this Article II, Section 2. The 

 
officer of the Corporation presiding at an annual meeting shall, if the facts warrant, determine and declare to the annual meeting that business was not properly brought before the annual meeting
in accordance with the provisions of this Article II, Section 2, and if such officer should so determine, such officer shall so declare to the annual meeting and any such business not properly brought before the meeting shall not be transacted.

 Section 3. Special Meetings. Unless otherwise prescribed by law or by the amended and restated certificate of
incorporation of the Corporation (the “Certificate of Incorporation”), special meetings of stockholders, for any purpose or purposes, may only be called by a majority of the entire Board of Directors, the Chairman of the Board or the Chief
Executive Officer. Written notice of a special meeting stating the place, date and hour of the meeting, shall be given to each stockholder entitled to vote at such meeting not less than ten (10) nor more than sixty (60) days before the
date of the meeting. Business transacted at any special meeting shall be limited to the purposes stated in the notice. The written certificate of the officer or officers calling any special meeting setting forth the substance of the notice, and the
time and place of the mailing of same to the stockholders, and the respective addresses to which the same were to be mailed, shall be prima facie evidence of the manner and fact of the calling and giving such notice. 

Section 4. Quorum. Except as otherwise provided by law or by the Certificate of Incorporation, the holders of outstanding
shares of capital stock representing a majority of the voting power of the Corporation, present in person or represented by proxy, shall constitute a quorum at all meetings of the stockholders for the transaction of business. If, however, such
quorum shall not be present or represented at any meeting of the stockholders, the holders of the shares representing a majority of the voting power, present in person or represented by proxy, and entitled to vote at the meeting, may adjourn the
meeting from time to time, without notice other than announcement at the meeting, until a quorum shall be present or represented by proxy. At such adjourned meeting at which a quorum shall be present or represented, any business may be transacted
which might have been transacted at the meeting as originally noticed. If the adjournment is for more than thirty (30) days, or if after the adjournment a new record date is fixed for the adjourned meeting, a notice of the adjourned meeting
shall be given to each stockholder entitled to vote at the meeting. 
 Section 5. Voting. Unless otherwise required
by law, the Certificate of Incorporation, the rules or regulations of any stock exchange applicable to the Corporation or these Bylaws, any question (other than the election of directors) brought before any meeting of stockholders shall be decided
by the vote of the holders of a majority of the stock represented and entitled to vote thereat. At all meetings of stockholders for the election of directors, a plurality of the votes cast shall be sufficient to elect. Each stockholder represented
at a meeting of stockholders shall be entitled to cast one vote for each share of the capital stock entitled to vote thereat held by such stockholder, unless otherwise provided by the Certificate of Incorporation. Such votes may be cast in person or
by proxy, but no proxy shall be voted after three years from its date, unless such proxy provides for a longer period. The Board of Directors, in its discretion, or the officer of the Corporation presiding at a meeting of stockholders, in his
discretion, may require that any votes cast at such meeting shall be cast by written ballot. 
 Section 6. Determination
of Stockholders of Record. 
 (a) Meetings of Stockholders. In order that the Corporation may determine the
stockholders entitled to notice of or to vote at any meeting of stockholders or any adjournment thereof, the Board of Directors may fix a record date, which record date shall not precede the date upon which the resolution fixing the record date is
adopted by the Board of Directors, and which record date shall not be more than sixty (60) nor less than ten (10) days before the date of such meeting. If no record date is fixed by the Board of Directors, the record date for determining
stockholders entitled to notice of or to vote at a meeting of stockholders shall be at the close of business on the day immediately preceding the day on which notice is given, or, if notice is waived, at the close of business on the day immediately
preceding the day on which the meeting is held. A determination of stockholders of record entitled to notice of or to vote at a meeting of stockholders shall apply to any adjournment of the meeting unless the Board of Directors fixes a new record
date for the adjourned meeting. 
 (b) Consent of Stockholders. In order that the Corporation may determine the
stockholders entitled to consent to corporate action in writing without a meeting, the Board of Directors may fix a record date, which record date shall not precede the date upon which the resolution fixing the record date is adopted by the Board of
Directors, 

 
and which date shall not be more than ten (10) days after the date upon which the resolution fixing the record date is adopted by the Board of Directors. If no record date has been fixed by
the Board of Directors, the record date for determining stockholders entitled to consent to corporate action in writing without a meeting, when no prior action by the Board of Directors is required by the General Corporation Law of the State of
Delaware (the “GCL”), shall be the first date on which a signed written consent setting forth the action taken or proposed to be taken is delivered to the Corporation by delivery to its registered office in Delaware or its principal place
of business, or to an officer or agent of the Corporation having custody of the books in which proceedings of meetings of stockholders are recorded. If no record date has been fixed by the Board of Directors and prior action by the Board of
Directors is required by the GCL, the record date for determining stockholders entitled to consent to corporate action in writing without a meeting shall be at the close of business on the day on which the Board of Directors adopts the resolution
taking such prior action. 
 (c) Dividends. In order that the Corporation may determine the stockholders entitled to
receive payment of any dividend or other distribution or allotment of any rights of the stockholders entitled to exercise any rights in respect of any change, conversion or exchange of stock, or for the purpose of any other lawful action, the Board
of Directors may fix a record date, which record date shall not precede the date upon which the resolution fixing the record date is adopted, and which record date shall be not more than sixty (60) days prior to such action. If no record date
is fixed, the record date for determining stockholders for any such purpose shall be at the close of business on the day on which the Board of Directors adopts the resolution relating thereto. 

Section 7. List of Stockholders Entitled to Vote. The officer of the Corporation who has charge of the stock ledger of the
Corporation shall prepare and make, at least ten (10) days before every meeting of stockholders, a complete list of the stockholders entitled to vote at the meeting, arranged in alphabetical order, and showing the address of each stockholder
and the number of shares registered in the name of each stockholder. Such list shall be open to the examination of any stockholder, for any purpose germane to the meeting, during ordinary business hours, for a period of at least ten (10) days
prior to the meeting, either at a place within the city where the meeting is to be held, which place shall be specified in the notice of the meeting, or, if not so specified, at the place where the meeting is to be held. The list shall also be
produced and kept at the time and place of the meeting during the whole time thereof, and may be inspected by any stockholder of the Corporation who is present. 
 Section 8. Inspectors of Election. 
 (a) Appointment. All
elections of directors shall be by written ballot, unless otherwise provided in the Certificate of Incorporation; the vote upon any other matter need not be by ballot. In advance of any meeting of stockholders, the Board of Directors may appoint one
or more inspectors, who need not be stockholders, to act at the meeting and to make a written report thereof. The Board of Directors may designate one or more persons as alternate inspectors to replace any inspector who fails to act. If no inspector
or alternate is able to act at a meeting of stockholders, the person presiding at the meeting shall appoint one or more inspectors to act at the meeting. Each inspector, before entering upon the discharge of his or her duties, shall take and sign an
oath faithfully to execute the duties of inspector with strict impartiality and according to the person’s best ability. 

(b) Duties. The inspectors shall ascertain the number of shares outstanding and the voting power of each, shall determine the
shares represented at the meeting and the validity of proxies and ballots, shall count all votes and ballots, shall determine and retain for a reasonable period a record of the disposition of any challenges made to any determination by the
inspectors, and shall certify their determination of the number of shares represented at the meeting and their count of all votes and ballots. The inspectors may appoint or retain other persons or entities to assist the inspectors in the performance
of the duties of the inspectors. 
 (c) Polls. The date and time of the opening and the closing of the polls for each
matter upon which the stockholders will vote at a meeting shall be announced at the meeting. No ballot, proxies or votes, nor any revocations thereof or changes thereto, shall be accepted by the inspectors after the closing of the polls unless a
court with appropriate jurisdiction upon application by a stockholder shall determine otherwise. 

 (d) Reconciliation of Proxies and Ballots. In determining the validity and counting
of proxies and ballots, the inspectors shall be limited to an examination of the proxies, any envelopes submitted with those proxies, ballots and the regular books and records of the Corporation, except that the inspectors may consider other
reliable information for the limited purpose of reconciling proxies and ballots submitted by or on behalf of banks, brokers, their nominees or similar persons which represent more votes than the holder of a proxy is authorized by the record owner to
cast or more votes than the stockholder holds of record. If the inspectors consider other reliable information for the limited purpose permitted herein, the inspectors at the time they make their certification pursuant to Subsection (b), above,
shall specify the precise information considered by them including the person or persons from whom they obtained the information, when the information was obtained, the means by which the information was obtained and the basis for the
inspectors’ belief that such information is accurate and reliable. 
 Section 9. Stock Ledger. The stock ledger
of the Corporation shall be the only evidence as to who are the stockholders entitled to examine the stock ledger, the list required by Section 6 of this Article II or the books of the Corporation, or to vote in person or by proxy at any
meeting of stockholders. 
 Section 10. Adjournment. Any meeting of the stockholders, including one at which
directors are to be elected, may be adjourned for such periods as the presiding officer of the meeting or the stockholders present in person or by proxy and entitled to vote shall direct. 

Section 11. Stockholder Action Without a Meeting. Any action required to be taken at any annual or special meeting of
stockholders, or any action that may be taken at any annual or special meeting of stockholders, may be taken without a meeting, without prior notice and without a vote, if a consent in writing, setting forth the action so taken, shall be signed by
the holders of outstanding stock having not less than the minimum number of votes that would be necessary to authorize or take such action at a meeting at which all shares entitled to vote thereon were present and voted. Prompt notice of the taking
of the corporate action without a meeting by less than unanimous written consent shall be given to those stockholders who have not consented in writing. 
 ARTICLE III 
 DIRECTORS 

Section 1. Powers; Number; Qualifications. The business and affairs of the Corporation shall be managed by or under the
direction of the Board of Directors, except as maybe otherwise provided by law or in the Certificate Incorporation. The number of directors which shall constitute the Board of Directors shall be not less than one (1) nor more than seven (7).
The exact number of directors shall be fixed from time to time by the Board of Directors, within the limits specified in this Section 1 or in the Certificate of Incorporation. Directors need not be stockholders of the Corporation. 

Section 2. Election; Term of Office; Resignation; Removal; Vacancies. Each director shall hold office until the next annual
meeting of stockholders or until such director’s earlier resignation, removal from office, death or incapacity. Any director may resign at any time upon written notice to the Board of Directors or to the Chief Executive Officer or the Secretary
of the Corporation. Such resignation shall take effect at the time specified therein, and unless otherwise specified therein no acceptance of such resignation shall be necessary to make it effective. Any director or the entire Board of Directors may
be removed by that vote of the stockholders of the Corporation required under the GCL. Unless otherwise provided in the Certificate of Incorporation, vacancies and newly created directorships resulting from any increase in the authorized number of
directors or from any other cause may be filled by a majority of the directors then in office, although less than a quorum, or by a sole remaining director, and each director so chosen shall hold office until the next annual meeting of stockholders
and until such director’s successor shall be duly elected and shall qualify, or until such director’s earlier resignation, removal from office, death or incapacity. 
 Section 3. Nominations. Nominations of persons for election to the Board of Directors of the Corporation at a meeting of stockholders of the Corporation may be made at such meeting by or at
the direction of the Board of Directors, by any committee or persons appointed by the Board of Directors or by any stockholder of the Corporation entitled to vote for the election of directors at the meeting who complies with the notice procedures
set forth in this Section 3. Such nominations by any stockholder shall be made pursuant to timely notice in writing to 

 
the Secretary of the Corporation. To be timely, a stockholder’s notice shall be delivered to or mailed and received at the principal executive offices of the Corporation not less than one
hundred twenty (120) days prior to the anniversary of the date on which the proxy statement for the immediately preceding annual meeting was mailed to stockholders, or if the Corporation did not hold an annual meeting in the prior year or if
the date of the annual meeting occurs more than thirty (30) days before or after the anniversary of such immediately preceding annual meeting, then not later than the close of business on the later of the sixtieth (60th) day prior to such
annual meeting and the tenth (10th) day following the
date on which public announcement of the date of such annual meeting is first made. Such stockholder’s notice to the Secretary shall set forth (i) as to each person whom the stockholder proposes to nominate for election or reelection as a
director, (a) the name, age, business address and residence address of the person, (b) the principal occupation or employment of the person, (c) the class and number of shares of capital stock of the Corporation which are beneficially
owned by the person, and (d) any other information relating to the person that is required to be disclosed in solicitations for proxies for election of directors pursuant to the Rules and Regulations of the Securities and Exchange Commission
under Section 14 of the Securities Exchange Act of 1934, as amended, and (ii) as to the stockholder giving the notice (a) the name and record address of the stockholder and (b) the class and number of shares of capital stock of
the Corporation which are beneficially owned by the stockholder. The Corporation may require any proposed nominee to furnish such other information as may reasonably be required by the Corporation to determine the eligibility of such proposed
nominee to serve as a director of the Corporation. No person shall be eligible for election as a director of the Corporation unless nominated in accordance with the procedures set forth herein. The officer of the Corporation presiding at an annual
meeting shall, if the facts warrant, determine and declare to the meeting that a nomination was not made in accordance with the foregoing procedure, and if he should so determine, he shall so declare to the meeting and the defective nomination shall
be disregarded. 
 Section 4. Meetings. The Board of Directors of the Corporation may hold meetings, both regular
and special, either within or without the State of Delaware. Regular meetings of the Board of Directors may be held without notice at such time and at such place as may from time to time be determined by the Board of Directors. Special meetings of
the Board of Directors may be called by the Chairman of the Board or the Chief Executive Officer of the Corporation, or by a majority of the entire Board of Directors. Notice thereof stating the place, date and hour of the meeting shall be given to
each director either by mail not less than forty-eight (48) hours before the date of the meeting, by telephone or telegram on twenty-four (24) hours notice, or on such shorter notice as the person or persons calling such meeting may deem
necessary or appropriate in the circumstances. 
 Section 5. Quorum. Except as may be otherwise specifically
provided by law, the Certificate of Incorporation or these Bylaws, at all meetings of the Board of Directors or any committee thereof, a majority of the entire Board of Directors or such committee, as the case may be, shall constitute a quorum for
the transaction of business and the act of a majority of the directors present at any meeting at which there is a quorum shall be the act of the Board of Directors or such committee, as the case may be. If a quorum shall not be present at any
meeting of the Board of Directors or of any committee thereof, a majority of the directors present thereat may adjourn the meeting from time to time until a quorum shall be present. 

Section 6. Actions of Board of Directors. Unless otherwise provided by the Certificate of Incorporation or these Bylaws, any
action required or permitted to be taken at any meeting of the Board of Directors or of any committee thereof may be taken without a meeting, if all the members of the Board of Directors or committee, as the case may be, consent thereto in writing,
and the writing or writings are filed with the minutes of proceedings of the Board of Directors or committee. 
 Section 7.
Meetings by Means of Conference Telephone. Unless otherwise provided by the Certificate of Incorporation or these Bylaws, members of the Board of Directors of the Corporation, or any committee designated by the Board of Directors, may
participate in a meeting of the Board of Directors or such committee by means of a conference telephone or similar communications equipment by means of which all persons participating in the meeting can hear each other, and participation in a
meeting pursuant to this Section 7 shall constitute presence in person at such meeting. 

 Section 8. Committees of the Board of Directors. The Board of Directors may from
time to time establish standing committees or special committees of the Board of Directors including, but not limited to, an Audit Committee, a Compensation Committee and a Nomination Committee, each of which shall have such powers and functions set
forth below or as may be delegated to it by the Board of Directors. The Board of Directors may abolish any committee established by or pursuant to this Section 8 as it may deem advisable. Each such committee shall consist of one or more
directors, the exact number being determined from time to time by the Board of Directors. Designations of the chairman and members of each such committee, and, if desired, a vice chairman and alternates for members, shall be made by the Board of
Directors. Each such committee may have a secretary who shall be designated by its chairman and shall keep regular minutes and report to the Board of Directors as directed by the committee. The vice chairman of a committee shall act as the chairman
of the committee in the absence or disability of the chairman. 
 Section 9. Other Committees. The Board of
Directors, or any committee, officer or employee of the Company may establish additional standing committees or special committees to serve in an advisory capacity or in such other capacities as may be permitted by law, by the Certificate of
Incorporation and by these Bylaws. The members of any such committee need not be members of the Board of Directors. Any committee established pursuant to this Subsection (d) may be abolished by the person or body by whom it was established as
he, she or it may deem advisable. Each such committee shall consist of two or more members, the exact number being determined from time to time by such person or body. Designations of members of each such committee and, if desired, alternates for
members, shall be made by such person or body, at whose will all such members and alternates shall serve. 
 Section 10.
Compensation. The directors may be paid their expenses, if any, of attendance at each meeting of the Board of Directors and may be paid a fixed amount (in cash or other form of consideration) for attendance at each meeting of the Board of
Directors or a stated salary as director. No such payment shall preclude any director from serving the Corporation in any other capacity and receiving compensation therefor. Members of special or standing committees may be allowed like compensation
for attending committee meetings. 
 Section 11. Interested Directors. No contract or transaction between the
Corporation and one or more of its directors or officers, or between the Corporation and any other corporation, partnership, association, or other organization in which one or more of its directors or officers are directors or officers, or have a
financial interest, shall be void or voidable solely for this reason, or solely because the director or officer is present at or participates in the meeting of the Board of Directors or committee thereof which authorizes the contract or transaction,
or solely because his or their votes are counted for such purpose, if (i) the material facts as to his or their relationship or interest and as to the contract or transaction are disclosed or are known to the Board of Directors or the
committee, and the Board of Directors or committee in good faith authorizes the contract or transaction by the affirmative votes of a majority of the disinterested directors, even though the disinterested directors be less than a quorum; or
(ii) the material facts as to his or their relationship or interest and as to the contract or transaction are disclosed or are known to the stockholders entitled to vote thereon, and the contract or transaction is specifically approved in good
faith by vote of the stockholders; or (iii) the contract or transaction is fair as to the Corporation as of the time it is authorized, approved or ratified, by the Board of Directors, a committee thereof or the stockholders. Common or
interested directors may be counted in determining the presence of a quorum at a meeting of the Board of Directors or of a committee which authorizes the contract or transaction. 

ARTICLE IV 

OFFICERS 
 Section 1. General. The officers of the Corporation shall be elected by the Board of Directors and shall consist of: a Chairman of the Board; a Chief Executive Officer; a President; a
Secretary; and a Treasurer. The Board of Directors, in its discretion, may also elect one or more Vice Presidents (including Executive Vice Presidents and Senior Vice Presidents), Assistant Secretaries, Assistant Treasurers and such other officers
as in the judgment of the Board of Directors may be necessary or desirable. Any number of offices may be held by the same person and more than one person may hold the same office, unless otherwise prohibited by law, the Certificate of Incorporation
or these Bylaws. The officers of the Corporation need not be stockholders of the Corporation nor, except in the case of the Chairman of the Board of Directors, need such officers be directors of the Corporation. 

 Section 2. Election. The Board of Directors at its first meeting held after each
annual meeting of stockholders shall elect the officers of the Corporation who shall hold their offices for such terms and shall exercise such powers and perform such duties as shall be determined from time to time by the Board of Directors; and all
officers of the Corporation shall hold office until their successors are chosen and qualified, or until their earlier resignation or removal. Except as otherwise provided in this Article IV, any officer elected by the Board of Directors may be
removed at any time by the affirmative vote of a majority of the Board of Directors. Any vacancy occurring in any office of the Corporation shall be filled by the Board of Directors. The salaries of all officers who are directors of the Corporation
shall be fixed by the Board of Directors. 
 Section 3. Voting Securities Owned by the Corporation. Powers of
attorney, proxies, waivers of notice of meeting, consents and other instruments relating to securities owned by the Corporation may be executed in the name of and on behalf of the Corporation by the Chairman of the Board, Chief Executive Officer,
President or any Vice President, and any such officer may, in the name and on behalf of the Corporation, take all such action as any such officer may deem advisable to vote in person or by proxy at any meeting of security holders of any corporation
in which the Corporation may own securities and at any such meeting shall possess and may exercise any and all rights and powers incident to the ownership of such securities and which, as the owner thereof, the Corporation might have exercised and
possessed if present. The Board of Directors may, by resolution, from time to time confer like powers upon any other person or persons. 
 Section 4. Chairman of the Board. The Chairman of the Board shall be a member of the Board of Directors, and shall exercise and perform such duties and have such powers as may be prescribed by
the Board of Directors or these Bylaws, all in accordance with basic policies as established by and subject to the oversight of the Board of Directors. The Chairman of the Board of Directors shall be responsible for scheduling all Board of Directors
meetings, annual stockholder meetings, Board of Directors retreats and other activities pertaining to the Board of Directors. He shall also ensure that meeting agendas cover all matters of importance to the Board of Directors and be responsible for
making all arrangements for meetings, to include proper notice as provided for herein. The Chairman of the Board of Directors shall also insure that the agenda of meetings is followed and be responsible for communication between the Board of
Directors and management, during the period between meetings of the Board of Directors. The Chairman shall monitor the performance of the Board of Directors as a collective body and as individual members and shall otherwise insure the setting and
maintaining of policies and procedures adopted by the Board of Directors. 
 Section 5. Chief Executive Officer. The
Chief Executive Officer of the Corporation shall supervise, coordinate and manage the Corporation’s business and activities and supervise, coordinate and manage its operating expenses and capital allocation, shall have general authority to
exercise all the powers necessary for the Chief Executive Officer of the Corporation and shall perform such other duties and have such other powers as may be prescribed by the Board of Directors or these Bylaws, all in accordance with basic policies
as established by and subject to the oversight of the Board of Directors. In the absence or disability of the Chairman of the Board, the duties of the Chairman of the Board shall be performed and the Chairman of the Board’s authority may be
exercised by the Chief Executive Officer and, in the event the Chief Executive Officer is absent or disabled, such duties shall be performed and such authority may be exercised by a director designated for such purpose by the Board of Directors.

 Section 6. President. The President shall have general authority to exercise all the powers necessary for
the President of the Corporation and shall perform such other duties and have such other powers as may be prescribed by the Board of Directors or these Bylaws, all in accordance with basic policies as established by and subject to the oversight of
the Board of Directors, the Chairman of the Board and the Chief Executive Officer. In the absence or disability of the Chief Executive Officer, the duties of the Chief Executive Officer and the Chief Executive Officer’s authority (other than
the Chief Executive Officer’s authority to perform the duties of the Chairman of the Board in the absence or disability of the Chairman of the Board) may be exercised by the President. In the event the President is absent or disabled, such
authority may be exercised by a director designated for such purpose by the Board of Directors. 

 Section 7. Vice Presidents. The Board of Directors may appoint one or more Vice
Presidents. Each Vice President shall perform such duties and have such powers as the Board of Directors from time to time may prescribe. In the absence or disability of the President, the duties of the President and the President’s authority
(other than the President’s authority to perform the duties of the Chief Executive Officer in the absence or disability of the Chief Executive Officer) may be exercised by any Vice-President. If the Board of Directors has appointed more than
one Vice President, then the Board of Directors shall establish the order of succession of the Vice Presidents to the duties and authority of the President. 
 Section 8. Secretary. The Secretary shall attend all meetings of the Board of Directors and all meetings of stockholders and record all the proceedings thereat in a book or books to be kept
for that purpose; the Secretary shall also perform like duties for the standing committees when required. The Secretary shall give, or cause to be given, notice of all meetings of the stockholders and special meetings of the Board of Directors, and
shall perform such other duties as may be prescribed by the Board of Directors, the Chairman of the Board, the Chief Executive Officer or the President, under whose supervision the Secretary shall be. If the Secretary shall be unable or shall refuse
to cause to be given notice of all meetings of the stockholders and special meetings of the Board of Directors, and if there be no Assistant Secretary, then the Board of Directors, the Chairman of the Board, the Chief Executive Officer or the
President may choose another officer to cause such notice to be given. The Secretary shall have custody of the seal of the Corporation and the Secretary or any Assistant Secretary, if there be one, shall have authority to affix the same to any
instrument requiring it and when so affixed, it may be attested by the signature of the Secretary or by the signature of any such Assistant Secretary. The Board of Directors may give general authority to any other officer to affix the seal of the
Corporation and to attest the affixing by his signature. The Secretary shall see that all books, reports, statements, certificates and other documents and records required by law to be kept or filed are properly kept or filed, as the case may be.

 Section 9. Treasurer. The Treasurer shall have the custody of the corporate funds and securities and shall keep
full and accurate accounts of receipts and disbursements in books belonging to the Corporation and shall deposit all moneys and other valuable effects in the name and to the credit of the Corporation in such depositories as may be designated by the
Board of Directors. The Treasurer shall disburse the funds of the Corporation as may be ordered by the Board of Directors, taking proper vouchers for such disbursements, and shall render to the President and the Board of Directors, at its regular
meetings, or when the Board of Directors so requires, an account of all his transactions as Treasurer and of the financial condition of the Corporation. If required by the Board of Directors, the Treasurer shall give the Corporation a bond in such
sum and with such surety or sureties as shall be satisfactory to the Board of Directors for the faithful performance of the duties of his office and for the restoration to the Corporation, in case of his death, resignation, retirement or removal
from office, of all books, papers, vouchers, money and other property of whatever kind in his possession or under his control belonging to the Corporation. 
 Section 10. Assistant Secretaries. Except as may be otherwise provided in these Bylaws, Assistant Secretaries, if there be any, shall perform such duties and have such powers as from time to
time may be assigned to them by the Board of Directors, the Chairman of the Board, the Chief Executive Officer, the President, any Vice President, if there be one, or the Secretary, and in the absence of the Secretary or in the event of his
disability or refusal to act, shall perform the duties of the Secretary, and when so acting, shall have all the powers of and be subject to all the restrictions upon the Secretary. 

Section 11. Assistant Treasurers. Assistant Treasurers, if there be any, shall perform such duties and have such powers as
from time to time may be assigned to them by the Board of Directors, the Chairman of the Board, the Chief Executive Officer, the President, any Vice President, if there be one, or the Treasurer, and in the absence of the Treasurer or in the event of
his disability or refusal to act, shall perform the duties of the Treasurer, and when so acting, shall have all the powers of and be subject to all the restrictions of the Treasurer. If required by the Board of Directors, an Assistant Treasurer
shall give the Corporation a bond in such sum and with such surety or sureties as shall be satisfactory to the Board of Directors for the faithful performance of the duties of his office and for the restoration to the Corporation, in case of his
death, resignation, retirement or removal from office, of all hooks, papers, vouchers, money and other property of whatever kind in his possession or under his control belonging to the Corporation. 

 Section 12. Other Officers. Such other officers as the Board of Directors may
choose shall perform such duties and have such powers as from time to time may be assigned to them by the Board of Directors. The Board of Directors may delegate to any other officer of the Corporation the power to choose such other officers and to
prescribe their respective duties and powers. 
 ARTICLE V 

STOCK 
 Section 1. Form of Certificates. Every holder of stock in the Corporation shall be entitled to have a certificate signed, in the name of the Corporation (i) by the Chief Executive
Officer, the President or a Vice President and (ii) by the Treasurer or an Assistant Treasurer, or the Secretary or an Assistant Secretary of the Corporation, certifying the number of shares owned by him in the Corporation. 

Section 2. Signatures. Any or all of the signatures on the certificate may be a facsimile, including, but not limited to,
signatures of officers of the Corporation and countersignatures of a transfer agent or registrar. In case an officer, transfer agent or registrar who has signed or whose facsimile signature has been placed upon a certificate shall have ceased to be
such officer, transfer agent or registrar before such certificate is issued, it may be issued by the Corporation with the same effect as if he were such officer, transfer agent or registrar at the date of issue. 

Section 3. Lost Certificates. The Board of Directors may direct a new certificate to be issued in place of any certificate
theretofore issued by the Corporation alleged to have been lost, stolen or destroyed, upon the making of an affidavit of that fact by the person claiming the certificate of stock to be lost, stolen or destroyed. When authorizing such issue of a new
certificate, the Board of Directors may, in its discretion and as a condition precedent to the issuance thereof, require the owner of such lost, stolen or destroyed certificate, or his legal representative, to advertise the same in such manner as
the Board of Directors shall require and/or to give the Corporation a bond in such sum as it may direct as indemnity against any claim that may be made against the Corporation with respect to the certificate alleged to have been lost, stolen or
destroyed. 
 Section 4. Transfers. Stock of the Corporation shall be transferable in the manner prescribed by law
and in these Bylaws. Transfers of stock shall be made on the books of the Corporation only by the person named in the certificate or by his attorney lawfully constituted in writing and upon the surrender of the certificate therefor, which shall be
canceled before a new certificate shall be issued. 
 ARTICLE VI 

DIVIDENDS 
 Section 1. The Board of Directors shall have power to reserve over and above the capital stock paid in, such an amount in its discretion as it may deem advisable to fix as a reserve fund, and may,
from time to time, declare dividends from the accumulated profits of the Corporation in excess of the amounts so reserved, and pay the same to the stockholders of the Corporation, and may also, if it deems the same advisable, declare stock dividends
of the unissued capital stock of the Corporation. 
 ARTICLE VII 

AMENDMENTS 
 Section 1. By Stockholders. Amendments and changes to these Bylaws may be made by a vote of, or a consent in writing signed individually or collectively by, the holders of issued and
outstanding capital stock of the Corporation having that number of votes equal to at least a majority of the votes entitled to vote on matters presented to stockholders (other than the election of directors). 

Section 2. By Directors. Amendments and changes to these Bylaws may be made at any regular or special meeting of the Board of
Directors by a vote of not less than a majority of the entire Board of Directors, or may be made by a consent in writing signed individually or collectively by all of the entire Board of Directors. 

 ARTICLE VIII 
 CORPORATE SEAL 
 Section 1. The Corporation shall have a
corporate seal, which shall have inscribed thereon the name of the Corporation, the year of its organization and the words “Corporate Seal, Delaware”. The seal may be used by causing it or a facsimile thereof to be impressed or affixed or
in any other manner reproduced. 
 ARTICLE IX 
 INDEMNIFICATION 
 Section 1. Nature of Indemnity. Each
person who was or is made a party or is threatened to be made a party to or is involved in any action, suit or proceeding, whether civil, criminal, administrative or investigative (hereinafter a “Proceeding”), by reason of the fact that he
or she, or a person of whom he or she is the legal representative, is or was a director or officer of the Corporation or is or was serving at the request of the Corporation as a director, officer, employee, fiduciary or agent of another corporation
or of a partnership, joint venture, trust or other enterprise, shall be indemnified and held harmless by the Corporation to the fullest extent which it is empowered to do so by the GCL, as the same exists or may hereafter be amended, against all
expense, liability and loss (including attorneys’ fees) actually and reasonably incurred by such person in connection with such Proceeding and such indemnification shall inure to the benefit of his or her heirs, executors and administrators;
provided, however, that, except as provided in Article IX, Section 2, below, the Corporation shall indemnify any such person seeking indemnification in connection with a proceeding initiated by such person only if such proceeding was
authorized by the Board of Directors. The right to indemnification conferred in this Article IX shall be a contract right and, subject to Sections 2 and 5 hereof, shall include the right to be paid by the Corporation the expenses incurred in
defending any such proceeding in advance of its final disposition. The Corporation may, by action of its Board of Directors, provide indemnification to employees and agents of the Corporation with the same scope and effect as the foregoing
indemnification of directors and officers. 
 Section 2. Procedure for Indemnification of Directors and Officers.
Any indemnification of a director or officer of the Corporation under Section 1 of this Article IX or advance of expenses under Section 5 of this Article IX shall be made promptly, and in any event within thirty (30) days, upon the
written request of the director or officer. If a determination by the Corporation that the director or officer is entitled to indemnification pursuant to this Article IX is required, and the Corporation fails to respond within sixty (60) days
to a written request for indemnity, the Corporation shall be deemed to have approved the request. If the Corporation denies a written request for indemnification or advancing of expenses, in whole or in part, or if payment in full pursuant to such
request is not made within thirty (30) days, the right to indemnification or advances as granted by this Article IX shall be enforceable by the director or officer in any court of competent jurisdiction. Such person’s costs and expenses
incurred in connection with successfully establishing his or her right to indemnification, in whole or in part, in any such action shall also be indemnified by the Corporation. It shall be a defense to any such action (other than an action brought
to enforce a claim for expenses incurred in defending any proceeding in advance of its final disposition where the required undertaking, if any, has been tendered to the Corporation) that the claimant has not met the standards of conduct which make
it permissible under the GCL for the Corporation to indemnify the claimant for the amount claimed, but the burden of such defense shall be on the Corporation. Neither the failure of the Corporation (including its Board of Directors, independent
legal counsel or its stockholders) to have made a determination prior to the commencement of such action that indemnification of the claimant is proper in the circumstances because he or she has met the applicable standard of conduct set forth in
the GCL, nor an actual determination by the Corporation (including its Board of Directors, independent legal counsel or its stockholders) that the claimant has not met such applicable standard of conduct, shall be a defense to the action or create a
presumption that the claimant has not met the applicable standard of conduct. 
 Section 3. Article Not Exclusive.
The rights to indemnification and the payment of expenses incurred in defending a proceeding in advance of its final disposition conferred in this Article IX shall not be exclusive of any other right which any person may have or hereafter acquire
under any statute, provision of the Certificate of Incorporation, these Bylaws, agreement, vote of stockholders or disinterested directors, or otherwise. 

 Section 4. Insurance. The Corporation may purchase and maintain insurance on its
own behalf and on behalf of any person who is or was a director, officer, employee, fiduciary or agent of the Corporation or was serving at the request of the Corporation as a director, officer, employee or agent of another corporation, partnership,
joint venture, trust or other enterprise against any liability asserted against him or her and incurred by him or her in any such capacity, whether or not the Corporation would have the power to indemnify such person against such liability under
this Article IX. 
 Section 5. Expenses. Expenses incurred by any person described in Section 1 of this Article
IX in defending a proceeding shall be paid by the Corporation in advance of such proceeding’s final disposition upon receipt of an undertaking by or on behalf of the director or officer to repay such amount if it shall ultimately be determined
that he or she is not entitled to be indemnified by the Corporation. Such expenses incurred by other employees and agents may be so paid upon such terms and conditions, if any, as the Board of Directors deems appropriate. 

Section 6. Employees and Agents. Persons who are not covered by the foregoing provisions of this Article IX and who are or
were employees or agents of the Corporation, or who are or were serving at the request of the Corporation as employees or agents of another corporation, partnership, joint venture, trust or other enterprise, may be indemnified to the extent
authorized at any time or from time to time by the Board of Directors. 
 Section 7. Contract Rights. The provisions
of this Article IX shall be deemed to be a contract right between the Corporation and each director or officer who serves in any such capacity at any time while this Article IX and the relevant provisions of the GCL or other applicable law are in
effect, and any repeal or modification of this Article IX or any such law shall not affect any rights or obligations then existing with respect to any state of facts proceeding then existing. 

ARTICLE X 

WAIVERS OF NOTICE AND EXCEPTIONS TO NOTICE REQUIREMENTS 

Section 1. Waivers of Notice. 
 (a) Written Waiver. Whenever notice is required to be given, under any provision of the GCL or of the Certificate of Incorporation or these Bylaws, a written waiver, signed by the person or persons
entitled to the notice, whether before or after the time stated therein, shall be deemed equivalent to notice. Neither the business to be transacted at, nor the purpose of, any regular or special meeting of the stockholders, Board of Directors or
members of a committee of the Board of Directors need be specified in any written waiver of notice of such meeting. 
 (b)
Waiver by Attendance. Attendance of a person at a meeting, either in person or by proxy, shall constitute a waiver of notice of such meeting, except where a person attends a meeting for the express purpose of objecting at the beginning of the
meeting to the transaction of any business because the meeting was not lawfully called or convened. 
 Section 2.
Exception to Requirements of Notice. 
 (a) General Rule. Whenever notice is required to be given, under any
provision of the GCL or of the Certificate of Incorporation or these Bylaws, to any person with whom communication is unlawful, the giving of such notice to such person shall not be required and there shall be no duty to apply to any governmental
authority or agency for a license or permit to give such notice to such person. Any action or meeting which shall be taken or held without notice to any such person with whom communication is unlawful shall have the same force and effect as if such
notice had been duly given. 
 (b) Stockholders Without Forwarding Addresses. Whenever notice is required to be given,
under any provision of the GCL, the Certificate of Incorporation or these Bylaws, to any stockholder to whom (i) notice of two consecutive annual meetings, and all notices of meetings or of the taking of action by written consent without a
meeting to such person during the period between such two consecutive annual meetings, or (ii) all, and at least two 

 
(2), payments (if sent by first class mail) of dividends or interest on securities during a twelve (12) month period, have been mailed addressed to such person at his address as shown on the
records of the Corporation and have been returned undeliverable, the giving of such notice to such person shall not be required. Any action or meeting which shall be taken or held without notice to such person shall have the same force and effect as
if such notice setting forth the person’s then current address, the requirement that notice be given to such person shall be reinstated. 
 ARTICLE XI 
 GENERAL PROVISIONS 

Section 1. Depositories. All monies of the Corporation shall be deposited when as received by the Treasurer in such bank or
banks or other depositary as may from time to time be designated by the Board of Directors, and such deposits shall be made in the name of the Corporation. 
 Section 2. Other Securities. The Corporation may take, acquire, hold, mortgage, sell, or otherwise deal in stocks or bonds or securities of any other corporation, if and as often as the Board
of Directors shall determine to be advisable and in the best interests of the Corporation. 
 Section 3. Forum
Selection. The Court of Chancery of the State of Delaware shall be the sole and exclusive forum for (i) any derivative action or proceeding brought on behalf of the Corporation, (ii) any action asserting a claim of breach of a
fiduciary duty owed by any director or officer of the Corporation to the Corporation or the Corporation’s stockholders, (iii) any action asserting a claim against the Corporation arising pursuant to any provision of the DGCL or the
Corporation’s Certificate of Incorporation or Bylaws, or (iv) any action asserting a claim against the Corporation governed by the internal affairs doctrine. 

 CERTIFICATE OF SECRETARY 

I, the undersigned, do hereby certify that: 
 (1) I am the duly elected and acting Secretary of ImmunoCellular Therapeutics, Ltd., a Delaware corporation; and 
 (2) The foregoing Amended and Restated Bylaws, comprising 16 pages, constitute the Amended and Restated Bylaws of said Corporation as duly adopted by written consent of the Board of Directors of the
Corporation. 
 IN WITNESS WHEREOF, I have hereunto subscribed my name this 27th day of September, 2010. 

 

	
	 /s/ John Yu
 John Yu, Secretary

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