Document:

Supplement Agreement to Service Agreement, dated as of November 15, 2010

 Exhibit 10.33 
 SUPPLEMENT AGREEMENT TO SERVICE AGREEMENT 
 by and between 

Sirona Dental GmbH, Wasserfeldstraße 30, A-5020 Salzburg, Austria, as employer 

(hereinafter the “Company”), 
 Sirona Dental Systems, Inc., 30 -30 47th Avenue, Suite 500, Long Island City, NY 11101, USA 
 (hereinafter the “Guarantor”) 
 and 

Ms Simone Blank, Mölckhofgasse 9, A-5020 Salzburg, Austria, as employee 
 (hereinafter the “Member of the Management Board” or the “Member”) 
 Preliminary Remarks 
 The Company and the Member of the Management Board have entered into
an executive service agreement (Geschäftsführer-Dienstvertrag) dated 10 October 2007, which has been amended in the meantime and the Guarantor has become a party to this agreement (as amended, the “Current Executive
Service Agreement”). The Company, the Member of the Management Board and Guarantor wish to supplement the Current Executive Service Agreement as follows: 
 § 1 
 Supplement 
 A new paragraph 6 and a new paragraph 7 shall be added to § 2 “Compensation” of the Current Executive Service Agreement, which reads as follows: 

 

	“6.	As the Member of the Management may provide her work under this Agreement also partially for the Guarantor, the parties agree that all time the Member of the Management
Board may work under this Agreement in Austria shall be deemed to be work only for the Company (including work in connection with a management service agreement between the Company and the Guarantor), but not for the Guarantor. The yearly salary and
the bonus according to § 2 paras. 1 and 2 of this Agreement shall be paid by the Guarantor pro rata to the days the Member of the Management Board has worked for the Guarantor compared to the total days to be worked under this
Agreement (“Guarantor Portion”). The remaining portion of the yearly salary and the bonus according to § 2 paras. 1 and 2 of this Agreement shall be paid by the Company. In order to facilitate the payment mechanism,
it is agreed that Guarantor shall, with regard to salary according to § 2 para 1 of this Agreement, be obliged to pay to the Member of the Management Board a fixed amount on a monthly basis in the amount of 20% of the total salary; accordingly,
the remaining part of the salary to be paid by the Company to the Member of the Management Board will amount to 80% of such salary. Within 30 days following the end of a calendar year, Guarantor, or as the case may be, the Company, shall, on the
basis of the records duly maintained by the Company for such calendar year, compensate the respective other party for the difference between the portion of salary actually paid and the pro rata portion to be paid for such calendar year. The Member
of the Management Board declares to accept the agreed payments from Guarantor. Therefore, by receipt of payments of Guarantor, the respective payment obligations of Company shall be satisfied. For avoidance of doubt, the Guarantor’s obligation
to make certain payments under this Agreement does not affect the payment obligations of the Company under this Agreement. Therefore, if Guarantor is in default with payments, both the Company and the Guarantor shall be jointly and severally
(solidarisch) liable for the respective claims. 

 To further specify the work the Member of the Management Board provides for the Guarantor
under this Agreement, the Guarantor and the Member of the Management Board shall conclude the agreement attached as Annex 2.6, which shall be an integral part of this Agreement. 

For the avoidance of doubt, all other rights and obligations of the Member of the Management Board under and in connection with this
Agreement, shall not be split and, therefore, remain to the full extent vis-à-vis the Company and/or the Guarantor, as they were. In particular, the authority to issue instructions (Weisungsrecht) to the Member of the Management Board
with regard to the performance of this Agreement shall remain with the Company. 
  

	7.	The Member of the Management Board shall be subject to tax equalization. Tax equalization shall mean and ensure that the Member of the Management Board remains neutral
from a tax and social security perspective with respect to (i) compensation received by the Member of the Management Board from the Guarantor and/or the Company, including any U.S. tax on salary, bonuses, share based compensation (including
effects in case of exercises), and (ii) the indirect investment of the Member of the Management Board in the Guarantor; provided that the Company and the Guarantor shall be obliged to make any payments with respect to such tax equalization for
any given calendar year only if during such calendar year (x) the following conditions under (1) and (4) have been satisfied and (y) only in respect of the tax equalization regarding the Member’s indirect investment in the
Guarantor according to 7. (ii), also the following conditions under (2) and (3) have been satisfied: 

  

	 	(1)	either (A) the only days the Member has been physically present in the United States during such calendar year are days the Member performed services for the
Guarantor in the United States and any days immediately prior to or immediately after any days on which the Member performed such services, or (B) the sum of (i) the number of days the Member has been physically present in the United
States during such calendar year, (ii) the number of days the Member has been physically present in the United States in the first preceding calendar year multiplied by 1/3, and (iii) the number of days the Member has been physically
present in the United States in the second preceding calendar year multiplied by 1/6, does not equal or exceed 183; 

  

	 	(2)	other than the services performed for the Guarantor, the Member has not engaged in activities constituting trade or business in the United States (including through an
entity treated as a partnership for United States federal income tax purposes).; 

  

	 	(3)	Dental Innovations BVBA has not engaged in a United States trade or business (including through an entity treated as a partnership for United States federal income tax
purposes); and 

  

	 	(4)	the Member has not applied for permanent resident status in the United States. 

 In case of distributions from Dental Innovations BVBA to the Member, the tax equalization according to 7. (ii) shall become payable (i) for an aggregate distribution amount to the Member of up
to US$ 5.0 million of cash or assets during the three-year period beginning on the date hereof and (ii) unless the Parties agree in writing to a different amount prior to the expiry of the first three-year period, an additional aggregate
distribution amount to the Member of up to US$ 5.0 million of cash or assets during the consecutive three-year period beginning upon expiry of the first three-year period (i.e. distributions to the Member in an aggregate amount of up to
US$ 10.0 million are subject to tax equalization over such six-year period). 
 The Member of the Management Board will pay
the same amount of income taxes (referred to as “hypothetical tax liability”) as she would have paid had she performed all of her duties in Austria and did not perform the duties/time spend in the United States of America and been subject
to a salary split mentioned above. 
 The Company shall provide and pay for all tax advice in this regard – especially for
the calculation of the “hypothetical tax liability” - and will engage PricewaterhouseCoopers to prepare the U.S. tax returns, as applicable. In addition, the Company will engage PricewaterhouseCoopers to report to the Austrian tax advisor
of the Member of the Management Board all relevant information being caused by the salary split and the tax equalization mentioned above, which are necessary or helpful to prepare and file the Austrian income tax returns of the Member of the
Management Board.” 
 All other terms of the Current Executive Service Agreement remain unchanged. 

 § 2 
 Miscellaneous 
  

	1.	Modifications of, or amendments to, this agreement shall be made in writing to be effective. The same applies for this clause. 

 

	2.	The parties may comply with the requirement of written form as agreed in this agreement by using fax, telex or telecopy, if the author of the document is identifiable
from the document. 

  

	3.	Should any provision of this agreement be or become invalid, this does in no way influence the validity of the remaining provisions. The parties undertake to agree
without undue delay a provision instead of the invalid provision which comes as nearest to the economic purpose of the invalid provision and the purpose the parties have intended. 

 

	4.	In case of an discrepancies between this agreement and Annex 2.6, this agreement shall prevail. 

 

	5.	This agreement is governed by the laws of Austria. Any dispute arising out of this agreement shall fall within the jurisdiction of the competent court for the court
district of Salzburg. 

 Salzburg, November 15, 2010 

 

									
		 	 /s/ Jost C. Fischer

/s/ Tom Redlich
	  		  	 /s/ Simone Blank
	  	
					
		 	Sirona Dental GmbH	  		  	Simone Blank	  	

  

									
		 	 /s/ Jonathan Friedman
	 		  			
				
		 	Sirona Dental Systems, Inc.	 		  			

 ANNEX 2.6 
 AGREEMENT 
 by and between 

Sirona Dental Systems, Inc., 30 -30 47th Avenue, Suite 500, Long Island City, NY 11101, USA 

(hereinafter the “Guarantor”) 
 and 
 Ms Simone Blank, Mölckhofgasse 9, A-5020 Salzburg, Austria, as employee 

(hereinafter the “Member of the Management Board”) 

Preliminary Remarks 

Sirona Dental GmbH, Wasserfeldstraße 30, A-5020 Salzburg, Austria, (“Company”), and the Member of the Management Board have
entered into an executive service agreement (Geschäftsführer-Dienstvertrag) dated 10 October 2007, which has been amended and supplemented in the meantime (the last supplement dated on the date hereof) and the Guarantor has
become a party to this agreement (as amended and supplemented, the “Current Executive Service Agreement”). The Member of the Management Board and Guarantor wish to agree on this agreement in connection with the Current Executive
Service Agreement as follows: 
 § 1 
 Works and Services, Compensation 
  

	1.	The work which the Member of the Management Board may provide under the Current Executive Service Agreement for the Guarantor shall include travels to the USA in her
function as board member of the Guarantor, meetings with other board members of the Guarantor for discussions, participations in investor conferences etc. Meetings of the board of the Guarantor may also take place in other countries than the USA
(except for Austria). It is envisaged, that the work for the Guarantor amounts to at least 20% of her time to be worked under the Current Executive Service Agreement. 

 

	2.	The yearly salary and the bonus according to § 2 paras. 1 and 2 of the Current Executive Service Agreement shall be paid by the Guarantor pro rata to the
days the Member of the Management Board has worked for the Guarantor compared to the total days to be worked under the Current Executive Service Agreement (“Guarantor Portion”). 

 

	3.	For the avoidance of doubt, all rights and obligations of the Member of the Management Board under and in connection with the Current Executive Service Agreement, shall
not be split and, therefore, remain to the full extent vis-à-vis the Company and/or the Guarantor, as they were. 

 § 2 
 Miscellaneous 

 

	1.	Modifications of, or amendments to, this agreement shall be made in writing to be effective. The same applies for this clause. 

 

	2.	The parties may comply with the requirement of written form as agreed in this agreement by using fax, telex or telecopy, if the author of the document is identifiable
from the document. 

  

	3.	Should any provision of this agreement be or become invalid, this does in no way influence the validity of the remaining provisions. The parties undertake to agree
without undue delay a provision instead of the invalid provision which comes as nearest to the economic purpose of the invalid provision and the purpose the parties have intended. 

	4.	This agreement is governed by the laws of Austria. Any dispute arising out of this agreement shall fall within the jurisdiction of the competent court for the court
district of Salzburg. 

  

	5.	This agreement shall terminate simultaneously with the Current Executive Service Agreement without any termination notice being required. 

 

	6.	This agreement shall not operate to duplicate any provisions of the Current Executive Service Agreement. 

Salzburg, November 15, 2010 
  

									
		 	 /s/ Jonathan Friedman
	  		  	 /s/ Simone Blank
	  	
					
		 	Sirona Dental Systems, Inc.	  		  	Simone BlankSupplemental Indenture

 Exhibit 4.1 

 
  

 
 SOUTHERN CALIFORNIA GAS

 COMPANY 
 TO 
 U.S. BANK NATIONAL ASSOCIATION 

(successor by merger to U.S. Bank Trust National Association, 

formerly known as First Trust of California, National Association) 

TRUSTEE 
  

 
 SUPPLEMENTAL
INDENTURE 
 To Base Indenture dated October 1, 1940 

 
  

Dated as of November 18, 2010 
  

 
  

  
 TABLE OF CONTENTS

  

							
	 	  	PAGE	 
	PARTIES	  	 	1	  
		
	RECITALS	  	 	1	  
		
	GRANTING CLAUSES	  	 	3	  
		
	HABENDUM AND DECLARATION OF TRUST	  	 	4	  
		
	 ARTICLE I: AMOUNT, FORM, NUMBERING, DENOMINATION,
TRANSFER AND EXCHANGE OF SERIES MM BONDS, DUE 2040
	  	 	5	  
			
	SECTION 1.01.	  	AUTHORIZED AMOUNT OF SERIES MM BONDS, DUE 2040	  	 	5	  
			
	SECTION 1.02.	  	SERIES MM BONDS, DUE 2040; ISSUABLE AS FULLY REGISTERED
BONDS	  	 	5	  
			
	SECTION 1.03.	  	GLOBAL SECURITIES	  	 	5	  
			
	SECTION 1.04.	  	FORM OF LEGEND FOR GLOBAL SECURITY	  	 	7	  
			
	SECTION 1.05.	  	FORM OF REGISTERED BONDS AND CERTIFICATE	  	 	7	  
			
	SECTION 1.06.	  	OTHER PROVISIONS AND ENDORSEMENTS	  	 	7	  
			
	SECTION 1.07.	  	DENOMINATIONS; NUMBER	  	 	7	  
			
	SECTION 1.08.	  	EXCHANGEABILITY OF SERIES MM BONDS, DUE 2040	  	 	7	  
			
	SECTION 1.09.	  	OFFICES OR AGENCIES FOR PAYMENT, REGISTRATION, TRANSFER
AND EXCHANGE OF SERIES MM BONDS, DUE 2040	  	 	7	  
			
	SECTION 1.10.	  	CERTAIN CONDITIONS AS TO TRANSFER, ETC., OF SERIES MM
BONDS, DUE 2040	  	 	7	  
		
	ARTICLE II: INTEREST, MATURITY DATE, REDEMPTION AND CERTAIN
OTHER PROVISIONS OF SERIES MM BONDS, DUE 2040	  	 	8	  
			
	SECTION 2.01.	  	INTEREST RATE, MATURITY DATE AND PLACES AND MEDIUM
OF PAYMENT OF SERIES MM BONDS, DUE 2040	  	 	8	  
			
	SECTION 2.02.	  	REDEMPTION OF SERIES MM BONDS, DUE 2040	  	 	8	  
			
	SECTION 2.03.	  	CANCELLATION OF SERIES MM BONDS, DUE 2040	  	 	8	  
			
	SECTION 2.04.	  	OTHER PROVISIONS OF SERIES MM BONDS, DUE 2040	  	 	8	  
			
	SECTION 2.05.	  	RENEWAL FUND FOR SERIES MM BONDS, DUE 2040	  	 	8	  

  
 i 

							
			
	SECTION 2.06.	  	DEFEASANCE OF SERIES MM BONDS, DUE 2040	  	 	8	  
		
	ARTICLE III: SUNDRY PROVISIONS	  	 	10	  
			
	SECTION 3.01.	  	TRUSTEE NOT RESPONSIBLE FOR RECITALS; RECORDATION OF
SUPPLEMENTAL INDENTURE AS REQUIRED BY LAW	  	 	10	  
			
	SECTION 3.02.	  	DATE OF SUPPLEMENTAL INDENTURE AND SERIES MM BONDS, DUE
2040, ARE DATES OF IDENTIFICATION	  	 	10	  
			
	SECTION 3.03.	  	SUPPLEMENTAL INDENTURE DEEMED TO BE PART OF BASE
INDENTURE	  	 	10	  
			
	SECTION 3.04.	  	TRUSTEE ACCEPTS TRUSTS ON SAME TERMS EXPRESSED IN
BASE INDENTURE	  	 	10	  
			
	SECTION 3.05.	  	EXECUTION OF SUPPLEMENTAL INDENTURE IN COUNTERPARTS	  	 	10	  
			
	SECTION 3.06.	  	DEFINED TERMS	  	 	10	  
			
	SECTION 3.07.	  	CONFLICTING PROVISIONS	  	 	10	  
			
	SECTION 3.08.	  	GOVERNING LAW	  	 	11	  
			
	SECTION 3.09.	  	OTHER SUNDRY PROVISIONS	  	 	11	  
		
	TESTIMONIUM	  	 	S-1	  
		
	SIGNATURES AND SEALS	  	 	S-1	  
		
	EXHIBIT A	  	 	A-1	  

  
 ii 

  
 THIS SUPPLEMENTAL
INDENTURE, dated as of November 18, 2010 (this “Supplemental Indenture”), is made and entered into in the City of Los Angeles, State of California by and between SOUTHERN CALIFORNIA GAS COMPANY, a corporation duly organized and
existing under the laws of the State of California, and having its principal place of business in the City of Los Angeles, State of California (hereinafter sometimes called the “Corporation”) and U.S. BANK NATIONAL ASSOCIATION
(successor by merger to U.S. Bank Trust National Association, formerly known as First Trust of California, National Association), an association duly organized and existing under the laws of the United States of America and having a corporate trust
office in the City and County of Los Angeles, State of California (hereinafter, together with its predecessors as trustees under the Indenture referred to below, sometimes called the “Trustee”). 

WITNESSETH: 
 WHEREAS, the Corporation has executed and delivered to the Trustee a certain Indenture (hereinafter referred to as the “Base Indenture”) dated October 1, 1940, to secure bonds of the
Corporation designated generally as its “First Mortgage Bonds” to be issued from time to time in one or more series, any of which series may vary from any other as to certain particulars specified in Section 2.01 of the Base
Indenture, and the Corporation has executed and delivered to the Trustee supplemental indentures dated, respectively, as of July 1, 1947, May 1, 1948, June 1, 1950, April 1, 1952, August 1,
1955, June 1, 1956, December 1, 1956, July 1, 1957, October 1, 1959, July 1, 1963, September 1, 1964, June 1, 1965, December 1, 1966, October 1,
1970, August 1, 1972, September 1, 1972, October 1, 1974, May 1, 1976, October 1, 1977, November 1, 1979, February 1, 1981, September 15, 1981, April 1,
1982, August 15, 1983, May 18, 1984, December 16, 1985, March 1, 1986, November 15, 1986, December 1, 1986, January 15, 1988, June 15, 1988, November 1,
1988, December 1, 1990, October 1, 1991, August 15, 1992, December 15, 1992, March 1, 1993, June 15, 1993, November 1, 1993, November 15, 1993, October 1,
2002, October 17, 2003, December 15, 2003, December 10, 2004, November 18, 2005 and November 21, 2008 supplementing and amending the Base Indenture (each, a “Prior Supplemental
Indenture,” and the Base Indenture together with all Prior Supplemental Indentures and this Supplemental Indenture being herein collectively referred to as the “Indenture”); and 

WHEREAS, the Base Indenture and the Prior Supplemental Indentures dated, respectively, as of July 1, 1947, May 1,
1948, June 1, 1950, April 1, 1952 and August 1, 1955, are recorded in the office of the County Recorder of each of the Counties listed below in the Official Records thereof, as stated in the Prior Supplemental Indenture
dated as of June 1, 1956; the Prior Supplemental Indentures dated, respectively, as of June 1, 1956 and December 1, 1956, are so recorded as stated in the Prior Supplemental Indenture dated as of July 1, 1957; the Prior
Supplemental Indenture dated as of July 1, 1957 and each subsequently dated Prior Supplemental Indenture (other than the Prior Supplemental Indenture dated November 21, 2008) is so recorded as stated in the Prior Supplemental Indenture
dated as of the next succeeding date; and the Prior Supplemental Indenture dated as of November 21, 2008 is recorded in the offices of the County Recorders in the Counties of the State of California, as follows: 

 

					
	 County
	  	 Reference
	  	 Date

	Fresno	  	Official Records, Document 2008-0176716	  	December 30, 2008
	Imperial	  	Official Records, Document 002008034838	  	December 11, 2008
	Kern	  	Official Records, Document 208191770	  	December 11, 2008
	Kings	  	Official Records, Document 0822768	  	December 11, 2008
	Los Angeles	  	Official Records, Document 08-2182702	  	December 11, 2008
	Orange	  	Official Records, Document 2008000570917	  	December 11, 2008
	Riverside	  	Official Records, Document 2008-0648912	  	December 11, 2008
	San Bernardino	  	Official Records, Document 2008-0547747	  	December 11, 2008
	San Diego	  	Official Records, Document 2008-0628046	  	December 9, 2008
	San Luis Obispo	  	Official Records, Document 2008060906	  	December 11, 2008
	Santa Barbara	  	Official Records, Document 2008-0068507	  	December 11, 2008
	Tulare	  	Official Records, Document 2008-0083802	  	December 11, 2008
	Ventura	  	Official Records, Document 20081211 00177930-0	  	December 11, 2008

  
 1 

  
 WHEREAS, bonds of the
Corporation of five (5) series designated, respectively, as its “First Mortgage Bonds, Series GG, due 2012,” “First Mortgage Bonds, Series HH, due 2018,” “First Mortgage Bonds, Series II, due 2011,” “First
Mortgage Bonds, Series KK, due 2035” and “First Mortgage Bonds, Series LL, due 2014” are outstanding as a part of the First Mortgage Bonds referred to in the Indenture, each such series of bonds, unless and until the taking of further
appropriate action by the Board of Directors of the Corporation, being without limitation as to aggregate authorized principal amount; and 
 WHEREAS, pursuant to the provisions of Sections 2.01 and 2.02 of the Indenture, the Board of Directors has, by resolution duly adopted and delivered to the Trustee, authorized the creation, as a part of
the First Mortgage Bonds referred to in the Indenture, a new series of bonds designated “First Mortgage Bonds, Series MM, due 2040” (the “Series MM Bonds”), of the form, terms and provisions provided herein, which new
series of bonds, unless and until the taking of further appropriate action by the Board of Directors, is to be without limitation as to aggregate authorized principal amount and of which series of bonds in the aggregate principal amount of
$300,000,000 are to be presently issued; and 
 WHEREAS, under the provisions of Sections 2.02 and 16.01 of the Indenture, the
Corporation and the Trustee may execute and deliver a Supplemental Indenture (i) to set forth the particulars, permitted by Section 2.01 of the Indenture, as to which the Series MM Bonds may vary from the bonds of the other series of the
First Mortgage Bonds, and (ii) for any purpose not inconsistent with the terms of the Indenture; and 
 WHEREAS, the
making, executing, delivering and recording of this Supplemental Indenture have been duly authorized by proper corporate action of the Corporation; and 
 WHEREAS, the issuance of the Series MM Bonds and the encumbrance of the Corporation’s property to secure the Series MM Bonds pursuant to this Supplemental Indenture have been authorized by the Public
Utilities Commission of the State of California. 
 NOW, THEREFORE, in consideration of the foregoing premises and of other good
and valuable consideration, receipt of which is hereby acknowledged, and in order: (a) to set forth or 

  
 2 

 
specify (i) the form of the fully registered Series MM Bonds, and the form of the certificate to be endorsed on all Series MM Bonds, and (ii) the terms and provisions of the Series MM
Bonds, including the particulars thereof which vary from the bonds of the other series of the First Mortgage Bonds; and (b) further to secure the payment of both the principal of and interest on the bonds of the Corporation now or at any time
hereafter outstanding under the Indenture, including specifically, but without limitation, all of the First Mortgage Bonds now outstanding and the $300,000,000 aggregate principal amount of Series MM Bonds and further to secure the observance and
performance of all of the covenants, agreements and conditions contained in the Indenture, and without in any way limiting the generality or effect of the Indenture insofar as by any provision thereof any of the property therein or hereafter
described or referred to is now subject or intended to be subject to the lien and operation thereof, but to such extent confirming such lien and operation, the Corporation has executed and delivered this Supplemental Indenture and has granted,
bargained, sold, released, conveyed, mortgaged, assigned, transferred, pledged, set over and confirmed, and does hereby grant, bargain, sell, release, convey, mortgage, assign, transfer, pledge, set over and confirm unto U.S. Bank National
Association, the Trustee, and to its successors or successors in the trust created by the Indenture, and to its and their assigns, forever, with power of sale, subject, to the extent applicable by the terms of the Indenture to any of the properties
hereinafter referred to or described, to the exceptions (other than as expressly provided in the granting clauses of the Prior Supplemental Indentures dated respectively as of June 1, 1956, July 1, 1957, October 1,
1959, July 1, 1963, September 1, 1964 and December 1, 1966 with respect to exception (f) set forth on page 67 of the Base Indenture and reading as follows: “(f) Any gas and/or oil acreage, gas and/or oil wells, gas
and/or oil reserves, or gas and/or oil leaseholds hereafter acquired by the Corporation, or any property or equipment now or hereafter owned by the Corporation and used for the development of gas and/or oil acreage or for the drilling for or
production of gas and/or oil from such acreage;” which exception (f) is by said granting clauses expressly made inapplicable to certain therein specified parcels of property), reservations, conditions, terms and provisions provided in the
Indenture with respect to properties subject or intended to be subject thereto, all of the properties and assets of the Corporation, real, personal and mixed, of every kind and character, whether now or hereafter owned by the Corporation and
wheresoever situated, including, without in any way limiting or modifying the generality or effect of the foregoing, all and singular, the following properties: 
 FIRST: All and singular the plants, properties, equipment, real and personal property, estates, interests, goodwill, generating, transmission, feeding, storing, and distribution systems, and utilities of
the Corporation situated in the Counties of Fresno, Imperial, Kern, Kings, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, Tulare and Ventura, and elsewhere, in the State of California, with all and
singular the franchises, ordinances, grants, easements, licenses, powers, immunities, permits, privileges, appurtenances, tenements and other rights and property thereunto appertaining or belonging, as the same now exist and as the same and any and
all parts thereof may hereafter exist or be improved, added to, enlarged, extended or acquired in said counties or elsewhere in said state or any other state or states. 
 SECOND: All other property, real, personal and mixed, of every kind, nature and description (including, without in any way limiting the effect or the generality hereof, all facilities; all stocks, bonds
and other securities from time to time conveyed, assigned, transferred, mortgaged or pledged on behalf of the Corporation, or with its consent, to the 

  
 3 

 
Trustee in the manner and for the purposes as provided in the Indenture; all gas manufacturing plants, boilers, engines, compressors, motors, pumps, generators, gasholders, tanks, appliances, oil
storage facilities, gas storage facilities, wells, buildings, structures, plants, works and other improvements; all gas transmission and distributing lines and systems; all meters and regulators and all other apparatus, machinery, appliances, tools,
furniture, fixtures, supplies, facilities and utilities and other personal property; or any right or interest in any thereof; all business and goodwill, rights, consents, franchises, ordinances, licenses, agreements, contracts, permits, easements,
rights of way, leases and leasehold interests; powers, grants, privileges and immunities to construct, operate and maintain lines and other facilities or properties for conveying gas or other commodity or utility for any purpose or purposes through,
under and over public streets or highways, or public or private places or property; all reversions, remainders, tolls, incomes, revenues, earnings, rents, issues and profits of any property, real, personal and mixed; and all other classes and types
of property described or referred to in the Indenture), now or hereafter owned, held, possessed, acquired or enjoyed by or in any manner conferred upon or appertaining to the Corporation, including the interest of the Corporation in all leases now
or hereafter owned by it, together with all and singular the tenements, hereditaments, and appurtenances belonging or in any way appertaining to each and every part of any and all property subject or intended to be subject to the lien and operation
of the Indenture, and the reversion and reversions, remainder and remainders, tolls, incomes, revenues, earnings, rents, issues and profits thereof. 
 SAVING AND EXCEPTING, however, from the property hereby mortgaged, conveyed in trust and/or pledged, all property, whether now owned by the Corporation or hereafter acquired by it, expressly saved and
excepted from the lien of the Indenture and therein referred to as the “excepted property” (except as otherwise expressly provided in any Prior Supplemental Indenture hereinabove mentioned with respect to exception (f) of said
“excepted property”), unless and until, upon the occurrence of an event of default under the Indenture, the Trustee, or any receiver appointed thereunder, shall take possession of any or all of such excepted property. 

TO HAVE AND TO HOLD in trust with power of sale for the equal and proportionate benefit and security of all holders of bonds of the
Corporation, now or hereafter outstanding under the Indenture as from time to time in effect, and for the enforcement and payment of said bonds and interest thereon when payable, and the performance of and compliance with the covenants and
conditions of the Indenture as from time to time in effect, without any preference, distinction or priority as to lien or otherwise of any of said bonds over any others thereof by reason of the difference in the time of the actual issue, sale or
negotiation thereof, or for any other reason whatsoever, except as otherwise expressly provided in the Indenture as from time to time in effect, so that each and every such bond shall have the same lien and so that the principal and interest of
every such bond shall, subject to the terms thereof, be equally and proportionately secured by said lien, as if such bond had been made, executed, delivered, sold and negotiated simultaneously with the execution and delivery of the Base Indenture.

 IT IS HEREBY COVENANTED, DECLARED, AND AGREED by and between the parties hereto that all such bonds are issued, authenticated
and delivered, or are to be issued, authenticated and delivered, and that all property subject, or to become subject, to the Indenture is to be held, subject to the covenants, conditions, uses and trusts therein set forth. 

  
 4 

  
 ARTICLE I 

AMOUNT, FORM, NUMBERING, DENOMINATION, 
 TRANSFER AND EXCHANGE OF 
 SERIES MM BONDS, DUE 2040 

Section 1.01. The Series MM Bonds may be issued at any time or from time to time upon and subject to the terms and provisions of the
Indenture. Unless and until the taking of further appropriate action by the Board of Directors of the Corporation the Series MM Bonds shall be without limitation as to aggregate authorized principal amount. 

Section 1.02. The Series MM Bonds shall be issued only as fully registered bonds without coupons. In addition, the Series MM Bonds may be
issuable in whole or in part in the form of one or more securities that evidence all or part of the bonds of such series which is issued to a depository or a nominee thereof for such series (a “Global Security”) and, in such case,
the Board of Directors shall appoint a clearing agency registered under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), designated to act as depositary (a “depositary”) for such Global
Securities. 
 Section 1.03. In the event the Series MM Bonds are issued as a Global Security the following provisions, in
addition to the provisions of the Indenture, shall apply: 
 (a) Each Global Security authenticated under the
Indenture shall be registered in the name of the depositary designated for such Global Security or a nominee thereof and delivered to such depositary or a nominee thereof or custodian therefor, and each such Global Security shall constitute a single
bond for all purposes of this Supplemental Indenture. 
 (b) Notwithstanding any other provision in this
Supplemental Indenture, no Global Security may be exchanged in whole or in part for bonds registered, and no transfer of a Global Security in whole or in part may be registered, in the name of any person other than the depositary for such Global
Security or a nominee thereof unless (A) such depositary has notified the Corporation that it is unwilling or unable to continue as depositary for such Global Security and a successor depositary has not been appointed by the Corporation within
90 days of receipt by the Corporation of such notification, (B) if at any time the depositary ceases to be a clearing agency registered under the Exchange Act at a time when the depositary is required to be so registered to act as such
depositary and no successor depositary shall have been appointed by the Corporation within 90 days after it became aware of such cessation, (C) the Corporation, in its sole discretion, executes and delivers to the Trustee a written order signed
in the name of the Corporation by its Chairman of the Board, its President or a Vice President, and by its Treasurer, an Assistant Treasurer, its Secretary or an Assistant Secretary to the effect that such Global Security, together with all other
Global Securities of the same series, shall be exchangeable as described below, or (D) an Event of Default (as defined in Section 1.02 of the Indenture) has occurred and is continuing with respect to the Series MM Bonds. If any of the
events described in clauses (A) through (D) of the preceding sentence occur, the beneficial owners of interests in the relevant Global Securities will be entitled to 

  
 5 

 
exchange those interests for definitive bonds and, without unnecessary delay but in any event not later than the earliest date on which those interests may be so exchanged, the Corporation will
deliver to the Trustee definitive bonds in such form and denominations as are required by or pursuant to this Indenture, and of the same series, containing identical terms and in an aggregate principal amount equal to the principal amount of such
Global Securities, such bonds to be duly executed by the Corporation. On or after the earliest date on which such beneficial interests may be so exchanged, such Global Securities shall be surrendered from time to time by the depositary as shall be
specified in the order from the Corporation with respect thereto (which the Corporation agrees to deliver), and in accordance with any instructions given to the Trustee and the depositary (which instructions shall be in writing but need not be
contained in or accompanied by an officers’ certificate or be accompanied by an opinion of counsel), as shall be specified in the order from the Corporation with respect thereto to the Trustee, as the Corporation’s agent for such purpose,
to be exchanged, in whole or in part, for definitive bonds as described above without charge. The Trustee shall authenticate and make available for delivery, in exchange for each portion of such surrendered Global Security, a like aggregate
principal amount of definitive bonds of the same series of authorized denominations and of like tenor as the portion of such Global Security to be exchanged. Promptly following any such exchange in part, such Global Security shall be returned by the
Trustee to such depositary or its custodian. If a definitive bond is issued in exchange for any portion of a Global Security after the close of business at the place where such exchange occurs on or after (i) any regular record date for the
date the interest is due (the “Interest Payment Date”) for such bond and before the opening of business at that place of payment on the next Interest Payment Date, or (ii) any special record date for the payment of interest for
such bond and before the opening of business at such place of payment on the related proposed date for the payment of the interest which was not punctually paid or duly provided for on any Interest Payment Date (“Defaulted
Interest”), as the case may be, interest shall not be payable on such Interest Payment Date or proposed date for payment, as the case may be, in respect of such definitive bond, but shall be payable on the Interest Payment Date or proposed
date for payment, as the case may be, only to the person to whom interest in respect of such portion of such Global Security shall be payable in accordance with the provisions of this Indenture. 

(c) Subject to Clause (b) above, any exchange or transfer of a Global Security for other bonds may be made in whole
or in part, and all bonds issued in exchange for or upon transfer of a Global Security or any portion thereof shall be registered in such names as the depositary for such Global Security shall direct. 

(d) Every bond authenticated and delivered upon registration of transfer of, or in exchange for or in lieu of, a Global
Security or any portion thereof, shall be authenticated and delivered in the form of, and shall be, a Global Security, unless such bond is registered in the name of a person other than the depositary for such Global Security or a nominee thereof.

  
 6 

  
 Section 1.04. Unless
otherwise specified as contemplated by Section 2.01 for the bonds evidenced thereby, every Global Security authenticated and delivered hereunder shall bear a legend in substantially the following form: 

THIS 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 SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS 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. ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF HAS AN INTEREST HEREIN.

 Section 1.05. The fully registered bonds without coupons and the certificate of authentication to be endorsed on all Series
MM Bonds shall be substantially in the form set forth on Exhibit A. 
 Section 1.06. The Series MM Bonds may contain or have
imprinted thereon such provisions or specifications not inconsistent with the Indenture as may be required to comply with the rules of any stock exchange or any federal or state authority or commission, or to comply with usage with respect thereto,
and may bear such other appropriate endorsements or notations as are authorized or permitted by the Indenture. 
 Section 1.07.
The fully registered Series MM Bonds shall be issuable in denominations of $1,000, $5,000, $10,000, $25,000 or multiples of $25,000 and shall be dated as provided in paragraph 1 of Section 2.01 of the Indenture. The definitive Series MM Bonds
shall be numbered in such manner as the Corporation shall at any time or from time to time determine. 
 Section 1.08. In the
manner and subject to certain conditions and limitations specified herein and in the Indenture, Series MM Bonds may be exchanged without a service charge for a like aggregate principal amount of such Series MM Bonds of other authorized denomination
or denominations; provided that the Corporation may require payment of a sum or sums sufficient to reimburse it for any stamp tax or other governmental charge payable in connection therewith. 

Section 1.09. The Corporation shall maintain in the City and County of San Francisco, State of California, and in such other place or
places as the Corporation may designate at any time or from time to time, an office or agency where Series MM Bonds may be presented for payment, registration, transfer and exchange as provided therein or in the Indenture. Such office or agency in
the City and County of San Francisco shall be the corporate trust office of the Trustee unless and until the Corporation shall designate another office or agency by notice in writing delivered to the Trustee. Notwithstanding the foregoing, if and
when definitive bonds are issued, the Corporation shall maintain in the Borough of Manhattan, City and County of New York, State of New York, an office or agency where Series MM Bonds may be presented for payment, registration, transfer and exchange
as provided therein or in the Indenture. 
 Section 1.10. No transfer or exchange of any Series MM Bonds pursuant to any of the
provisions of this Article I shall be made except upon and in accordance with all of the applicable terms, provisions and conditions of said bonds and of the Indenture. 

  
 7 

  
 ARTICLE II 

INTEREST, MATURITY DATE, REDEMPTION AND CERTAIN OTHER PROVISIONS OF 

SERIES MM BONDS, DUE 2040 
 Section 2.01. The Series MM Bonds shall bear interest at the rate, shall be expressed to mature as to principal, and shall be payable as to principal and interest at such place or places and in such
money, all as provided in the form of Series MM Bond set forth on Exhibit A hereto and by the applicable provisions of the Indenture. In addition, November 18, 2010 shall be an Interest Payment Date for the Series MM Bonds for purposes of
Section 2.01 of the Base Indenture (as supplemented by the Prior Supplemental Indentures), provided that no interest shall be payable on such date. 
 Section 2.02. The Series MM Bonds shall be subject to redemption prior to maturity as set forth in the form of Series MM Bond set forth on Exhibit A, upon notice, in the manner and otherwise upon
the terms and conditions and with the effect, as provided herein and by the applicable provisions of the Indenture. 
 Section
2.03. The Corporation may at any time deliver to the Trustee for cancellation any Series MM Bonds previously authenticated and delivered under the Indenture which the Corporation may have acquired in any manner whatsoever and all Series MM Bonds so
delivered shall be promptly cancelled by the Trustee upon the request of the Corporation. 
 Section 2.04. The Series MM Bonds
shall, except as in this Supplemental Indenture otherwise expressly provided, be on the terms and provisions, and shall represent such rights and be entitled to such benefits, as are applicable thereto by the terms of the Indenture. 

Section 2.05. The Series MM Bonds shall be entitled to the benefits of the Renewal Fund as provided in the Indenture. 

Section 2.06. The following Section 11.01A shall apply to the Series MM Bonds in lieu of Section 11.01 of the Indenture:

 “Section 11.01A If the Corporation, its successors or assigns, shall 

(a) pay or cause to be paid the principal of and interest on the bonds and coupons and claims for interest thereon to
become due at the time and in the manner stipulated therein and herein, and/or 
 (b) provide for the payment of
the bonds and interest thereon by depositing in cash with the Trustee or other depositary satisfactory to it at any time at or before maturity the entire amount due or to become due thereon for principal and interest to maturity of all the bonds
outstanding, and/or 
 (c) in case of a call of all of the bonds then outstanding for redemption, deposit with
the Trustee on or before the date on which all of such bonds (other than those which shall have matured by their terms) shall have been called for redemption, as provided in Article VII, the entire amount of the redemption price thereof, including

  
 8 

 
interest and premium, if any, and shall deliver to the Trustee (1) proof satisfactory to the Trustee that notice of redemption as provided in Article VII has been given, or (2) proof
satisfactory to the Trustee that arrangements have been made insuring that such notice will be given, or (3) a written instrument executed by the Corporation under its corporate seal, and expressed to be irrevocable, authorizing the Trustee to
give such notice for and on behalf of the Corporation, and/or 
 (d) surrender to the Trustee for cancellation
all the bonds and coupons thereto appertaining for which payment is not so provided, 
 and shall also pay, or satisfactorily provide, all other
sums due and payable hereunder by the Corporation, including the compensation and expenses of the Trustee, then and in that case, 
 (i) at the request of the Corporation all the mortgaged property shall revert to the Corporation and the entire estate, right, title and interest of the Trustee and of the holders and registered owners of
the bonds and coupons in respect of the mortgaged property shall thereupon cease, determine and become void; and 

(ii) the Trustee in such case, upon the cancellation of all outstanding bonds and coupons for the payment of which cash
shall not have been deposited in accordance with the provisions of this Indenture, shall upon request of the Corporation, and at its cost and expense (A) and upon delivery to it of an opinion of counsel stating that (x) the Corporation has
received from, or there has been published by, the Internal Revenue Service a ruling, or (y) since November 15, 2010 there has been a change in applicable federal income tax law, in either case to the effect that, and based thereon such
opinion of counsel shall confirm that, the holders of Series MM Bonds will not recognize income, gain or loss for federal income tax purposes as a result of such defeasance and will be subject to federal income tax on the same amounts, in the same
manner and at the same times as would have been the case if such defeasance had not occurred, execute to the Corporation, or its order, proper instruments acknowledging satisfaction of this Indenture and (B) shall surrender to the Corporation,
or its order, all cash and deposited securities, if any, which shall then be held by it hereunder as a part of the mortgaged property (exclusive of cash held in trust as provided in Section 5.03); provided, however, that if any such property
shall have been delivered to the Trustee by any person or corporation other than the Corporation, the same shall be delivered or otherwise disposed of in accordance with any reservations, limitations, conditions or provisions which may have been set
forth in the instrument in writing then executed, if any, respecting the use, management or disposition thereof; and provided further that if the Corporation pursuant to clauses (1) or (2) of subdivision (c) above shall have delivered
to the Trustee proof satisfactory to it that notice of redemption as provided in Article VII has been given or that arrangements have been made insuring that such notice will be given, there shall also be delivered to the Trustee an officers’
certificate stating that all conditions precedent to the satisfaction and discharge of this Indenture have been complied with and an opinion of counsel stating that in his opinion such conditions precedent have been complied with.” 

  
 9 

  
 ARTICLE III 

SUNDRY PROVISIONS 
 Section 3.01. The recitals of fact contained herein shall be taken as the statements of the Corporation, and the Trustee assumes no responsibility for the correctness of the same. The Corporation hereby
covenants and agrees that it will cause this Supplemental Indenture to be kept recorded and/or filed as may be required by law, in such manner and in such places as may be necessary fully to preserve and protect the security of the bondholders and
all of the rights of the Trustee hereunder, and that it will with all reasonable dispatch deposit with the Trustee counterparts of this Supplemental Indenture bearing official notation or endorsements showing such recordation and/or filing, or in
case such counterparts are not returned to the Corporation, furnish to the Trustee the best official evidence of such recordation and/or filing reasonably obtainable by the Corporation, or evidence of the taking of such other action, if any, but the
Trustee, subject to the provisions of Sections 14.02 and 14.03 of the Indenture, shall in no way be liable for any failure or omission in this regard. 
 Section 3.02. The date of this Supplemental Indenture and the date of the Series MM Bonds are intended as and for a date for the convenient identification of this Supplemental Indenture and of the Series
MM Bonds, and are not intended to indicate that this Supplemental Indenture was executed and delivered or that the Series MM Bonds were executed, delivered or issued on said date; it being hereby provided that this Supplemental Indenture may be
executed and delivered, and that the Series MM Bonds may be executed, delivered or issued, either on said date or before or after said date, and that this Supplemental Indenture is in fact executed and delivered by each party hereto on the date of
its certificate of acknowledgment hereto attached. 
 Section 3.03. This Supplemental Indenture shall be deemed to be part of
the Base Indenture, and the Corporation agrees to conform to and comply with all and singular the terms, provisions, conditions and covenants set forth therein and herein. This Supplemental Indenture shall be construed in connection with and as a
part of the Indenture. 
 Section 3.04. It is further agreed that the Trustee accepts the trust imposed upon it by this
Supplemental Indenture, upon and subject to the same terms and conditions as are expressed in Article XIV of the Base Indenture. 
 Section 3.05. In order to facilitate the recording of this Supplemental Indenture, the same may be executed in several counterparts, each of which so executed shall be deemed to be an original, and such
counterparts shall collectively constitute one and the same instrument. 
 Section 3.06. All terms used in this Supplemental
Indenture which are defined in the Indenture and not defined herein shall have the meaning assigned to them in the Indenture. 

Section 3.07. To the extent any provision in this Supplemental Indenture conflicts with any provision in the Indenture, the provisions of
this Supplemental Indenture shall govern; provided however, that in the event such conflict would require bondholder consent, the terms and provisions of the Indenture shall govern. 

  
 10 

  
 Section 3.08. This
Supplemental Indenture and the Series MM Bonds shall be governed by and construed in accordance with the laws of the State of California, without regard to conflicts of laws principles thereof. 

Section 3.09. To the extent not otherwise addressed in this Supplemental Indenture, this Supplemental Indenture shall be subject to the
provisions of Article XVII of the Indenture, the terms of which are hereby incorporated by reference into this Indenture Supplement. 
 (Signature Page Follows) 

  
 11 

  
 IN WITNESS WHEREOF,
Southern California Gas Company has caused this Supplemental Indenture to be signed in its corporate name by one of its Vice Presidents or its Treasurer and its Secretary or an Assistant Secretary and its corporate seal to be hereunto duly affixed,
and U.S. Bank National Association, in token of its acceptance of the trust hereby established, has caused this Supplemental Indenture to be signed in its corporate name by one of its Vice Presidents, all as of November 18, 2010. 

 

											
	Attest:	 		 		 	SOUTHERN CALIFORNIA GAS COMPANY
				
	 /s/ Jennifer Jett
	 		 	By	 	 /s/ Robert M. Schlax

	Name:	 	Jennifer Jett	 		 		 	Name:	 	Robert M. Schlax
	Title:	 	Secretary	 		 		 	Title:	 	Vice President, Chief Financial Officer, Chief Accounting Officer, Treasurer and Controller
						
	(SEAL)	 		 		 		 		 	
				
		 		 		 	U.S. BANK NATIONAL ASSOCIATION
					
		 		 		 	By	 	 /s/ Fonda Hall

		 		 		 		 	Name:	 	Fonda Hall
		 		 		 		 	Title:	 	Vice President

  
 S-1

  
 EXHIBIT A

 [FORM OF REGISTERED BOND WITHOUT COUPONS, SERIES MM, DUE 2040] 
 [If this bond is issued as a global security, insert the following legend: THIS 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 SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS 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. ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF HAS AN INTEREST HEREIN.]

 SOUTHERN CALIFORNIA GAS COMPANY 
 (Incorporated under the laws of the State of California) 
 5.125% FIRST MORTGAGE
BOND, SERIES MM, DUE 2040 
  

			
	No.     	  	 $            

CUSIP No. 842434CJ9

ISIN No. US842434CJ99

 SOUTHERN CALIFORNIA GAS COMPANY, a corporation organized and existing under the laws of the State of California (hereinafter called the “Corporation,” which term shall include any
successor corporation, as defined in the Indenture hereinafter referred to), for value received, hereby promises to pay to
                             [If this bond is issued as a global security, insert
“CEDE & CO.” in the foregoing space] or registered assigns, the principal sum of                      in lawful money of
the United States of America, on November 15, 2040, and to pay interest thereon from the date of this bond, at the rate of 5.125% per annum in like lawful money, payable semi-annually, on the fifteenth day of May and November in each year
(each, an “Interest Payment Date”), to the holder of record of this bond on the immediately preceding first day of May and November, respectively, commencing May 15, 2011, until the Corporation’s obligation with respect to
the payment of such principal shall be discharged as provided in the Indenture hereinafter mentioned. Both the principal of and interest on this bond will be paid at the corporate trust office of U.S. Bank National Association, or its successor
trustee under said Indenture, in the City and County of San Francisco, State of California [if this bond is a definitive bond, insert: “, or at the office or agency in the Borough of Manhattan, City and County of New York, State of New York,
that the Corporation maintains for such purpose”]. Notwithstanding the foregoing, so long as the holder of the Series MM Bonds is a depositary, or its nominee, payment of the principal of (and premium, if any) and interest on this bond will be
made by wire transfer of immediately available funds. 

  
 The provisions of this
bond are continued on the reverse hereof and such continued provisions shall for all purposes have the same effect as though set forth at this place. 
 IN WITNESS WHEREOF, SOUTHERN CALIFORNIA GAS COMPANY has caused this bond to be signed in its corporate name by the facsimile signature of its authorized officer and a facsimile of its corporate seal to be
hereto affixed and attested by its Secretary or an Assistant Secretary. 
 Dated: 

			
	SOUTHERN CALIFORNIA GAS COMPANY
		
	By	 	  

		 	Name:
		 	Vice President

 (CORPORATE
SEAL) 
  

	
	Attest:
	
	  

	Name:
	Secretary

  
 [REVERSE SIDE OF 5.125%
FIRST MORTGAGE BOND, SERIES MM, DUE 2040] 
 This bond is one of a duly authorized issue of bonds of the Corporation (herein
called the “bonds”), of the series hereinafter specified, all issued and to be issued under and all equally and ratably secured by a mortgage and deed of trust dated October 1, 1940, between the Corporation and U.S. Bank
National Association, as successor trustee, to which mortgage and deed of trust and all indentures supplemental thereto, including Supplemental Indentures dated, respectively, as of July 1, 1947, August 1, 1955, June 1,
1956, December 1, 1956, June 1, 1965, August 1, 1972, May 1, 1976, September 15, 1981, May 18, 1984, November 15, 1986, January 15, 1988, August 15,
1992, October 1, 2002, October 17, 2003, December 15, 2003, December 10, 2004, November 18, 2005, November 21, 2008 and November 18, 2010 (herein collectively referred to as the
“Indenture”), reference is hereby made for a description of the property conveyed in trust, mortgaged and pledged, the nature and extent of the security, the rights of the registered owners of the bonds and of the Trustee or
trustees in respect thereof, the terms and conditions upon which the bonds are, and are to be, secured and the circumstances under which additional bonds may be issued. The bonds may be issued for various principal sums, and may be issued in series,
which may mature at different times, may bear interest at different times, may bear interest at different rates and may otherwise vary as in the Indenture provided. This bond is one of a series designated as the “First Mortgage Bonds, Series
MM, due 2040” (herein called “Series MM Bonds”) of the Corporation, issued under and secured by the Indenture. Terms used but not defined herein shall have the respective meanings assigned thereto in the Indenture. 

As provided in the Indenture, by any indenture or indentures supplemental thereto executed by the Corporation and the
Trustee and consented to by the holders of not less than two-thirds ( 2/3) in principal amount of the bonds at the time outstanding, and, in case one or more, but less than all, of the series of bonds then outstanding are affected by such supplemental indenture, consented to
by the holders of at least two-thirds ( 2/3) in
principal amount of the bonds of each series so affected, the Indenture or any indenture supplemental thereto and the rights and obligations of the Corporation and the holders of bonds, may be modified or altered from time to time, as provided in
the Indenture; provided, however, (a) that the right of any holder of any bond to receive payment of the principal of and interest on such bond, on or after the respective due dates expressed in such bond, or to institute suit for the
enforcement of any such payment on or after such respective dates, shall not be impaired or affected by any such supplemental indenture without the consent of such holder, and (b) that no such modification or alteration shall reduce the
proportions of bondholders’ consents required as aforesaid; such proportions to be determined in each case as provided in the Indenture. 
 The Series MM Bonds are entitled to the benefits of the Renewal Fund as provided in the Indenture. 
 All or a portion of the Series MM Bonds may be redeemed at the Corporation’s option at any time or from time to time. 
 The price at which the Series MM Bonds will be redeemed (the “Redemption Price”) on the date fixed for such redemption (the “Redemption Date”) will be equal to the
greater of the following amounts: (a) 100% of the principal amount of the Series MM Bonds being redeemed 

 
on the Redemption Date; or (b) the sum of the present values of the remaining scheduled payments of principal and interest on the Series MM Bonds being redeemed on that Redemption Date (not
including any portion of any payments of accrued and unpaid interest to the Redemption Date) discounted to the Redemption Date on a semiannual basis at the Adjusted Treasury Rate (as defined below) plus 15 basis points, as determined by the
Independent Investment Banker (as defined below), plus, in each case, accrued and unpaid interest thereon to the Redemption Date. Notwithstanding the foregoing, installments of interest on Series MM Bonds that are due and payable on Interest Payment
Dates falling on or prior to a Redemption Date will be payable on such Interest Payment Dates to the registered holders of such Series MM Bonds as of the close of business on the relevant record dates. The Redemption Price will be calculated on the
basis of a 360-day year consisting of twelve 30-day months. 
 Unless the Corporation defaults in payment of the Redemption
Price, on and after the Redemption Date interest will cease to accrue on the Series MM Bonds or portions thereof called for redemption. 
 “Adjusted Treasury Rate” means, with respect to any Redemption Date, the rate per annum equal to the semiannual equivalent yield to maturity of the Comparable Treasury Issue, assuming a
price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such Redemption Date. 
 “Comparable Treasury Issue” means, with respect to any Redemption Date, the United States Treasury security selected by the Independent Investment Banker as having a maturity comparable
to the remaining term of the Series MM Bonds to be redeemed on such Redemption Date that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of
comparable maturity to the remaining term of such Series MM Bonds. 
 “Comparable Treasury Price” means, with
respect to any Redemption Date, (A) the average of the Reference Treasury Dealer Quotations for such Redemption Date, or (B) if only one Reference Treasury Dealer Quotation is received, such Quotation. 

“Independent Investment Banker” means, with respect to any Redemption Date, one of the Reference Treasury Dealers
appointed by the Corporation to act as the “Independent Investment Banker.” 
 “Reference Treasury
Dealer” means, with respect to any Redemption Date, (A) Goldman, Sachs & Co. and RBS Securities Inc. (or their respective affiliates which are Primary Treasury Dealers) and their respective successors; provided, however, that
if any of the foregoing shall cease to be a primary U.S. Government securities dealer in the United States (a “Primary Treasury Dealer”), the Corporation will substitute therefor another Primary Treasury Dealer; and (B) any
other Primary Treasury Dealer(s) selected by the Corporation. 
 “Reference Treasury Dealer Quotation” means,
with respect to each Reference Treasury Dealer and any Redemption Date, the average, as determined by the Corporation, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount)
quoted in writing to the Corporation by such Reference Treasury Dealer at 5:00 p.m. (New York City time) on the third business day preceding such Redemption Date. 

  
 In the event of
redemption of this bond in part only, one or more new Series MM Bonds of like tenor for the unredeemed portion hereof will be issued in the name of the holder hereof upon the cancellation hereof. 

In the event that the Corporation elects to redeem only a portion of the Series MM Bonds, the bonds to be redeemed shall be selected in
accordance with the procedures of The Depository Trust Company, in the case of bonds represented by a Global Security, or by the Trustee by a method the Trustee deems to be fair and appropriate, in the case of bonds that are not represented by a
Global Security. 
 Notice of any such redemption will be mailed to the registered owners of the Series MM Bonds to be redeemed
not less than 30 nor more than 60 days before the Redemption Date. Once notice of redemption is mailed, the Series MM Bonds called for redemption will become due and payable on the Redemption Date and at the applicable Redemption Price, plus accrued
and unpaid interest to the Redemption Date. Upon the Corporation’s election to redeem all or a portion of the Series MM Bonds, that redemption will not be conditional upon receipt by the paying agent or the Trustee of monies sufficient to pay
the Redemption Price. 
 In case an event of default, as defined in the Indenture, shall occur, the principal of all bonds then
outstanding under the Indenture may be declared or become due and payable upon the conditions and in the manner and with the effect provided in the Indenture. 
 This bond is transferable by the registered owner hereof at the office or agency of the Corporation in the City and County of San Francisco [if this bond is a definitive bond, insert: “, or at the
office or agency in the Borough of Manhattan, City and County of New York, State of New York, that the Corporation maintains for such purpose”] and in such other place or places as the Corporation may designate at any time or from time to time,
and thereupon a new fully registered bond or bonds of said series, without coupons, of authorized denomination or denominations, of a like aggregate principal amount, will be issued to the transferee or transferees in exchange for this bond; and at
any of said offices or agencies fully registered Series MM Bonds without coupons, are exchangeable for a like aggregate principal amount of other such fully registered bonds of authorized denominations; all in the manner and subject to the
conditions as provided in the Indenture. 
 No recourse shall be had for the payment of the principal of or the interest on this
bond or for any claim based hereon or on the Indenture or any indenture supplemental thereto, against any incorporator, stockholder, director or officer, past, present or future, of the Corporation, or of any predecessor or successor corporation,
either directly or through the Corporation, or any such predecessor or successor corporation, whether by virtue of any constitution, statute or rule of law, or by the enforcement of any assessment or penalty, or otherwise, all such liability being
waived and released by every registered owner hereof by the acceptance of this bond and as part of the consideration for the issue hereof, and being likewise waived and released by the terms of the Indenture. 

  
 This bond shall not
become valid or obligatory for any purpose or be entitled to any benefit under the Indenture until U.S. Bank National Association, or its successor as Trustee under the Indenture, shall have signed the form of certificate endorsed hereon.

 This bond shall be governed by and construed in accordance with the laws of the State of California, without regard to
conflicts of laws principles thereof. 

  
 [FORM OF CERTIFICATE OF
AUTHENTICATION] 
 CERTIFICATE 
 This bond is one of the bonds, of the series designated therein, described in the within-mentioned Indenture. 

 

			
	 U.S. BANK NATIONAL

ASSOCIATION

	Trustee
		
	By	 	  

		 	Authorized Officer

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