Document:

EX-4.5

 Exhibit 4.5 

WHEN RECORDED MAIL TO: 
 Ameren Illinois Company 

Craig W. Stensland 
 One Ameren Plaza (MC 1310) 

1901 Chouteau Avenue 
 St. Louis, MO 63103 

AMEREN ILLINOIS COMPANY 

(SUCCESSOR TO ILLINOIS POWER COMPANY) 

TO 
 THE BANK OF NEW
YORK MELLON TRUST COMPANY, N.A. 
 AS SUCCESSOR TRUSTEE TO 

HARRIS TRUST AND SAVINGS BANK 
  

 
 SUPPLEMENTAL
INDENTURE 
 DATED AS OF DECEMBER 1, 2013 

TO 
 GENERAL MORTGAGE
INDENTURE AND DEED OF TRUST 
 DATED AS OF NOVEMBER 1, 1992 

 
  

This instrument was prepared by Gregory L. Nelson, Esq., Senior Vice President, General Counsel and Secretary of Ameren Illinois Company c/o Ameren
Corporation, One Ameren Plaza, 1901 Chouteau Avenue, St. Louis, Missouri 63103. 
  

 

 SUPPLEMENTAL INDENTURE dated as of December 1, 2013 (this “Supplemental
Indenture”), made by and between AMEREN ILLINOIS COMPANY (formerly named Central Illinois Public Service Company (“CIPS”) and successor to Illinois Power Company (“IP”) pursuant to the Merger, as defined
below), a corporation organized and existing under the laws of the State of Illinois (hereinafter sometimes called the “Company”), party of the first part, and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., a national banking
association organized and existing under the laws of the United States, as successor trustee to Harris Trust and Savings Bank, as Trustee (the “Trustee”) under the General Mortgage Indenture and Deed of Trust dated as of
November 1, 1992, hereinafter mentioned, party of the second part; 
 WHEREAS, the Company has heretofore executed and delivered
its General Mortgage Indenture and Deed of Trust dated as of November 1, 1992 as from time to time amended and supplemented (the “Indenture”), to the Trustee, for the security of the Bonds issued and to be issued thereunder
(the “Bonds”); and 
 WHEREAS, as of 12:01 a.m. Central Time (the “Effective Time”) on
October 1, 2010, pursuant to the Agreement and Plan of Merger dated as of April 13, 2010 among CIPS, IP and Central Illinois Light Company (“CILCO”), IP and CILCO were merged with and into the Company (the
“Merger”) whereby the Company is the surviving corporation; and 
 WHEREAS, pursuant to Sections 13.01 and 14.01(a)
of the Indenture, the Company and the Trustee executed the Supplemental Indenture dated as of October 1, 2010 whereby, among other things, the Company (a) assumed the due and punctual payment of the principal of and premium, if any, and
interest, if any, on all of the Bonds then Outstanding and the performance and observance of every covenant and condition of the Indenture to be performed or observed by IP and (b) subjected to the Lien of the Indenture all equipment and
fixtures (other than Excepted Property, which is expressly excepted and excluded from the Lien of the Indenture) that were owned by CIPS immediately prior to the Effective Time and were of the same kind and character as the Mortgaged Property
immediately prior to the Effective Time; and 
 WHEREAS, pursuant to Sections 13.02 and 14.01(a)(i) of the Indenture, the
Company has succeeded to, and has been substituted for, and may exercise every right and power of, IP under the Indenture with the same effect as if the Company had been named the “Company” in the Indenture; and 

WHEREAS, pursuant to Section 14.01(a) of the Indenture, the Company and the Trustee executed 59 Supplemental Indentures dated
as of January 15, 2011 subjecting to the Lien of the Indenture certain real property that was owned by CIPS immediately prior to the Merger; and 

WHEREAS, pursuant to the terms and provisions of the Indenture there were created and authorized by supplemental indentures thereto
bearing the following dates, respectively, the Mortgage Bonds of the series issued thereunder and respectively identified opposite such dates: 
  

					
	 DATE OF
SUPPLEMENTAL
INDENTURE
	  	 IDENTIFICATION OF SERIES
	  	 CALLED

	 February 15, 1993
	  	8% Series due 2023 (redeemed)	  	Bonds of the 2023 Series
			
	 March 15, 1993
	  	6 1/8% Series due 2000 (paid at maturity)	  	Bonds of the 2000 Series
			
	 March 15, 1993
	  	6 3/4% Series due 2005 (paid at maturity)	  	Bonds of the 2005 Series
			
	 July 15, 1993
	  	7 1/2% Series due 2025 (redeemed)	  	Bonds of the 2025 Series
			
	 August 1, 1993
	  	6 1/2% Series due 2003 (paid at maturity)	  	Bonds of the 2003 Series
			
	 October 15, 1993
	  	5 5/8% Series due 2000 (paid at maturity)	  	Bonds of the Second 2000 Series

					
	 DATE OF
SUPPLEMENTAL
INDENTURE
	  	 IDENTIFICATION OF SERIES
	  	 CALLED

			
	 November 1, 1993
	  	Pollution Control Series M (redeemed)	  	Bonds of the Pollution Control Series M
			
	 November 1, 1993
	  	Pollution Control Series N (redeemed)	  	Bonds of the Pollution Control Series N
			
	 November 1, 1993
	  	Pollution Control Series O (redeemed)	  	Bonds of the Pollution Control Series O
			
	 April 1, 1997
	  	Pollution Control Series P (retired)	  	Bonds of the Pollution Control Series P
			
	 April 1, 1997
	  	Pollution Control Series Q (retired)	  	Bonds of the Pollution Control Series Q
			
	 April 1, 1997
	  	Pollution Control Series R (retired)	  	Bonds of the Pollution Control Series R
			
	 March 1, 1998
	  	Pollution Control Series S	  	Bonds of the Pollution Control Series S
			
	 March 1, 1998
	  	Pollution Control Series T	  	Bonds of the Pollution Control Series T
			
	 July 15, 1998
	  	6 1/4% Series due 2002 (paid at maturity)	  	Bonds of the 2002 Series
			
	 September 15, 1998
	  	6% Series due 2003 (paid at maturity)	  	Bonds of the Second 2003 Series
			
	 June 15, 1999
	  	7.50% Series due 2009 (paid at maturity)	  	Bonds of the 2009 Series
			
	 July 15, 1999
	  	Pollution Control Series U	  	Bonds of the Pollution Control Series U
			
	 July 15, 1999
	  	Pollution Control Series V (redeemed)	  	Bonds of the Pollution Control Series V
			
	 May 1, 2001
	  	Pollution Control Series W (retired)	  	Bonds of the Pollution Control Series W
			
	 May 1, 2001
	  	Pollution Control Series X (retired)	  	Bonds of the Pollution Control Series X
			
	 July 1, 2002
	  	10 5/8% Series due 2007 (not issued)	  	Bonds of the 2007 Series
			
	 July 1, 2002
	  	10 5/8% Series due 2012 (not issued)	  	Bonds of the 2012 Series
			
	 December 15, 2002
	  	11.50% Series due 2010 (redeemed)	  	Bonds of the 2010 Series
			
	 June 1, 2006
	  	Mortgage Bonds, Senior Notes Series AA	  	Bonds of Series AA
			
	 August 1, 2006
	  	Mortgage Bonds, 2006 Credit Agreement Series Bonds (retired)	  	2006 Credit Agreement Series Bonds

  
 2 

					
	 DATE OF
SUPPLEMENTAL
INDENTURE
	  	 IDENTIFICATION OF SERIES
	  	 CALLED

			
	 March 1, 2007
	  	Mortgage Bonds, 2007 Credit Agreement Series Bonds (retired)	  	2007 Credit Agreement Series Bonds
			
	 November 15, 2007
	  	Mortgage Bonds, Senior Notes Series BB	  	Bonds of Series BB
			
	 April 1, 2008
	  	Mortgage Bonds, Senior Notes Series CC	  	Bonds of Series CC
			
	 October 1, 2008
	  	Mortgage Bonds, Senior Notes Series DD	  	Bonds of Series DD
			
	 June 15, 2009
	  	Mortgage Bonds, 2009 Credit Agreement Series Bonds (retired)	  	2009 Credit Agreement Series Bonds
			
	 October 1, 2010
	  	Mortgage Bonds, Senior Notes Series CIPS-AA	  	Series CIPS-AA Mortgage Bonds
			
	 October 1, 2010
	  	Mortgage Bonds, Senior Notes Series CIPS-BB (retired)	  	Series CIPS-BB Mortgage Bonds
			
	 October 1, 2010
	  	Mortgage Bonds, Senior Notes Series CIPS-CC	  	Series CIPS-CC Mortgage Bonds
			
	 August 1, 2012
	  	First Mortgage Bonds, Senior Notes Series EE	  	Bonds of Series EE

 and 

WHEREAS, a supplemental indenture with respect to the Bonds of the 2007 Series and the Bonds of the 2012 Series listed above
was executed and filed but such Bonds of the 2007 Series and Bonds of the 2012 Series were never issued and a release with respect to such supplemental indenture was subsequently executed and filed; and 

WHEREAS, pursuant to Section 14.01(a) of the Indenture, the Company elects to subject to the Lien of the Indenture certain
franchises, permits, licenses, easements and rights of way; and 
 WHEREAS, the Company desires to create a new series of
Bonds to be issued under the Indenture to be known as “First Mortgage Bonds, Senior Notes Series FF” (the “Series FF Mortgage Bonds”); and 

WHEREAS, the Company (as successor to IP) has entered into an Indenture dated as of June 1, 2006 (as amended and supplemented, the
“Senior Note Indenture”) with The Bank of New York Mellon Trust Company, N.A., as trustee (the “Senior Note Trustee”), providing for the issuance from time to time of senior notes thereunder; and 

WHEREAS, the Company desires by this Supplemental Indenture to issue to the Senior Note Trustee the Series FF Mortgage Bonds as
security for $280,000,000 aggregate principal amount of the Company’s 4.80% Senior Secured Notes due 2043 (the “Senior Notes”) to be issued under the Senior Note Indenture; and 

WHEREAS, the Company, in the exercise of the powers and authority conferred upon and reserved to it under the provisions of the
Indenture, and pursuant to appropriate resolutions of the Board of Directors, has duly resolved and determined to make, execute and deliver to the Trustee this Supplemental Indenture in the form hereof for the purposes herein provided; and

 WHEREAS, all conditions and requirements necessary to make this Supplemental Indenture a valid, binding and legal instrument
have been done, performed and fulfilled and the execution and delivery hereof have been in all respects duly authorized; 

  
 3 

 NOW, THEREFORE, THIS SUPPLEMENTAL INDENTURE WITNESSETH: 

THAT to secure the payment of the principal of, premium, if any, and interest on all Bonds issued and Outstanding under the Indenture when
payable in accordance with the provisions thereof and hereof, and to secure the performance by the Company of, and its compliance with, the covenants and conditions of the Indenture, and in consideration of the premises and of One Dollar paid to the
Company by the Trustee and pursuant to Section 14.01 of the Indenture, the Company does hereby grant, bargain, sell, release, convey, quitclaim, assign, transfer, mortgage, pledge, set over and confirm unto the Trustee, and to its successors in
trust and to its assigns, to the extent not already included in the Mortgaged Property, all of the Company’s franchises, permits, licenses, easements and rights of way that were owned by CIPS immediately prior to the Effective Time and are
transferable and necessary for the operation and maintenance of the Mortgaged Property, which shall be and are as fully granted and conveyed by the Indenture and as fully embraced within the Lien of the Indenture as if such property, rights and
interests in property were now owned by the Company and were specifically described herein and conveyed hereby; the Company expressly reserves the right, at any time and from time to time, by one or more supplemental indentures, to subject to the
Lien and operation of the Indenture any part or all of the Excepted Property upon such terms and conditions and subject to such restrictions, limitations and reservations as may be set for in such supplemental indenture or indentures; together with
all other property of whatever kind and nature subjected to or intended to be subjected to the Lien of the Indenture by any of the terms and provisions thereof. 

TO HAVE AND TO HOLD all such properties, rights and interests in property granted, bargained, sold, warranted, released, conveyed,
assigned, transferred, mortgaged, pledged, set over and confirmed or in which a security interest has been granted by the Company in the Indenture or intended or agreed to be so granted, together with all the appurtenances thereto, unto the Trustee
and its successors and assigns forever,  
 SUBJECT, HOWEVER, to Permitted Liens and to Liens which have been granted by the
Company to other Persons prior to the date of the execution and delivery of this Supplemental Indenture, and subject also, as to any property hereafter acquired by the Company, to vendors’ Liens, purchase money mortgages and other Liens thereon
at the time of the acquisition thereof (including, but not limited to the Lien of any Prior Mortgage), it being understood that with respect to any of such property which is now or hereafter becomes subject to the Lien of any Prior Mortgage, the
Lien of the Indenture shall at all times be junior and subordinate to the Lien of such Prior Mortgage; 
 BUT IN TRUST,
NEVERTHELESS, for the equal and proportionate benefit and security of all present and future holders of the Bonds and any coupons issued and to be issued thereunder and secured by the Lien of the Indenture, and to secure the payment of the
principal of, premium, if any, and interest on the Bonds issued and Outstanding under the Indenture when payable in accordance with the provisions thereof and hereof, and to secure the performance of the Company, of, and its compliance with, the
covenants and conditions of the Indenture without any preference, priority or distinction of any one Bond over any other Bond by reason of priority in the issue or negotiation thereof or otherwise. 

PROVIDED, HOWEVER, that if, after the right, title and interest of the Trustee in and to the Mortgaged Property shall have ceased and
become void in accordance with Article Nine, then and in that case the Indenture and the estate and rights thereby granted shall cease, terminate and be void, and the Trustee shall cancel and discharge the Indenture and execute and deliver to the
Company such instruments as the Company shall require to evidence the discharge thereof; otherwise the Indenture shall be and remain in full force and effect; and 

IT IS HEREBY COVENANTED AND AGREED, by and between the Company and the Trustee, that all Bonds and coupons, if any, are to be
authenticated, delivered and issued, and that all Mortgaged Property is to be held, subject to the further covenants, conditions, uses and trusts in the Indenture set forth, and the Company, for itself and its successor and assigns, hereby covenants
and agrees to and with the Trustee and its successors in trust under the Indenture, for the benefit of those who shall hold Bonds, as follows: 

  
 4 

 ARTICLE I 

DESCRIPTION OF THE SERIES FF MORTGAGE BONDS 

Section 1. The Company hereby creates a new series of Bonds to be known as “First Mortgage Bonds, Senior Notes Series FF”
(the “Series FF Mortgage Bonds”). The Series FF Mortgage Bonds shall be executed, authenticated and delivered in accordance with the provisions of, and shall in all respects be subject to, all of the terms, conditions
and covenants of the Indenture, as supplemented and modified. The Series FF Mortgage Bonds shall be issued in the name of the Senior Note Trustee under the Senior Note Indenture to secure any and all of the Company’s obligations under
the Senior Notes and any other series of senior notes from time to time outstanding under the Senior Note Indenture. 
 The Series FF
Mortgage Bonds shall be dated as provided in Section 3.03 of Article Three of the Indenture. The Series FF Mortgage Bonds shall mature on December 15, 2043, shall accrue interest from the dates set forth in the Senior Notes
and shall bear interest at the same rate of interest as the Senior Notes. Interest on the Series FF Mortgage Bonds is payable on the same dates as interest on the Senior Notes is paid, until the principal sum is paid in full. 

Upon any payment of the principal of, premium, if any, and interest on, all or any portion of the Senior Notes, whether at maturity or prior
to maturity by redemption or otherwise or upon provision for the payment thereof having been made in accordance with Section 5.01(a) of the Senior Note Indenture, the Series FF Mortgage Bonds in a principal amount equal to the
principal amount of such Senior Notes shall, to the extent of such payment of principal, premium, if any, and interest, be deemed paid and the obligation of the Company thereunder to make such payment shall be discharged to such extent and, in the
case of the payment of principal (and premium, if any), such Series FF Mortgage Bonds shall be surrendered to the Company for cancellation as provided in Section 4.08 of the Senior Note Indenture. The Trustee may at any time and all
times conclusively assume that the obligation of the Company to make payments with respect to the principal of, premium, if any, and interest on the Senior Notes, so far as such payments at the time have become due, has been fully satisfied and
discharged pursuant to the foregoing sentence unless and until the Trustee shall have received a written notice from the Senior Note Trustee signed by one of its officers stating (i) the timely payment of principal, or premium, if any, or
interest on, the Senior Notes has not been made, (ii) that the Company is in arrears as to the payments required to be made by it to the Senior Note Trustee pursuant to the Senior Note Indenture, and (iii) the amount of the arrearage. 

  
 5 

 Section 2. The Series FF Mortgage Bonds and the Trustee’s Certificate of
Authentication shall be substantially in the following forms respectively: 
 [FORM OF FACE OF BOND]

NOTWITHSTANDING ANY PROVISIONS HEREOF OR IN THE INDENTURE THIS BOND IS NOT 

ASSIGNABLE OR TRANSFERABLE EXCEPT AS PERMITTED BY SECTION 4.04 OF THE INDENTURE 

DATED AS OF JUNE 1, 2006, AS AMENDED AND SUPPLEMENTED, BETWEEN AMEREN ILLINOIS 

COMPANY AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS TRUSTEE 

AMEREN ILLINOIS COMPANY 

(Incorporated under the laws of the State of Illinois) 

Illinois Commerce Commission 

Identification No.: Ill. C.C.          

FIRST MORTGAGE BOND, SENIOR NOTES SERIES FF 
  

					
	No.	  	 	$                    	  

 AMEREN ILLINOIS COMPANY, a corporation organized and existing under the laws of the State of Illinois (the
“Company”), which term shall include any Successor Corporation as defined in the Indenture hereinafter referred to, for value received, hereby promises to pay to The Bank of New York Mellon Trust Company, N.A., as trustee (the
“Senior Note Trustee”) under the Indenture dated as of June 1, 2006 (as amended and supplemented, the “Senior Note Indenture”), relating to the Company’s 4.80% Senior Secured Notes due 2043 (the
“Senior Notes”) in the aggregate principal amount of $        , between the Company and the Senior Note Trustee, or registered assigns, the principal sum of
$         on December 15, 2043, in any coin or currency of the United States of America, which at the time of payment is legal tender for public and private debts, and to pay interest thereon in like coin
or currency from the date of issuance (and thereafter from the dates set forth in the Senior Notes), and at the same rate of interest as the Senior Notes. Interest on overdue principal, premium, if any, and, to the extent permitted by law, on
overdue interest, shall be payable at the interest rate payable on the Senior Notes. Interest on this Mortgage Bond is payable on the same dates as interest on the Senior Notes is paid, until the principal sum of this Mortgage Bond is paid in
full. Pursuant to Article IV of the Senior Note Indenture, this Mortgage Bond is issued to the Senior Note Trustee to secure any and all obligations of the Company under the Senior Notes and any other series of senior notes from time to
time outstanding under the Senior Note Indenture. Payment of principal of, or premium, if any, or interest on, the Senior Notes shall constitute payments on this Mortgage Bond as further provided herein and in the Supplemental Indenture of
December 1, 2013 (as hereinafter defined) pursuant to which this Mortgage Bond has been issued. Both the principal of, premium, if any, and the interest on, this Mortgage Bond are payable at the office of the Senior Note Trustee. 

Upon any payment of the principal of, premium, if any, and interest on, all or any portion of the Senior Notes, whether at maturity or prior
to maturity by redemption or otherwise or upon provision for the payment thereof having been made in accordance with Section 5.01(a) of the Senior Note Indenture, a principal amount of this Mortgage Bond equal to the principal amount of
such Senior Notes shall, to the extent of such payment of principal, premium, if any, and interest, be deemed paid and the obligation of the Company thereunder to make such payment shall be discharged to such extent and, in the case of the payment
of principal (and premium, if any), such Mortgage Bonds shall be surrendered to the Company for cancellation as provided in Section 4.08 of the Senior Note Indenture. The Trustee (as hereinafter defined) may at any time and all times
conclusively assume that the obligation of the Company to make payments with respect to the principal of, premium, if any, and interest on, the Senior Notes, so far as such payments at the time have become due, has been fully satisfied and
discharged pursuant to the foregoing sentence unless and until the Trustee shall have received a written notice from the Senior Note Trustee signed by one of its officers stating (i) that timely payment of principal of, premium, if any, or
interest on, the Senior Notes has not been made, (ii) that the Company is in arrears as to the payments required to be made by it to the Senior Note Trustee pursuant to the Senior Note Indenture, and (iii) the amount of the arrearage. 

  
 6 

 For purposes of Section 4.09 of the Senior Note Indenture, this Mortgage Bond shall be
deemed to be the “Related Series of Senior Note Mortgage Bonds” in respect of the Senior Notes. 
 This Mortgage Bond shall
not be entitled to any benefit under the Indenture or any indenture supplemental thereto, or become valid or obligatory for any purpose, until the form of certificate endorsed hereon shall have been signed by or on behalf of The Bank of New York
Mellon Trust Company, N.A., as successor trustee to Harris Trust and Savings Bank, the Trustee under the Indenture, or a successor trustee thereto under the Indenture (the “Trustee”). 

The provisions of this Mortgage Bond are continued on the reverse hereof and such continued provisions shall for all purposes have the same
effect as though fully set forth at this place. 
 IN WITNESS WHEREOF, Ameren Illinois Company has caused this Mortgage Bond to be signed
(manually or by facsimile signature) in its name by an Authorized Executive Officer, as defined in the aforesaid Indenture, and attested (manually or by facsimile signature) by an Authorized Executive Officer, as defined in such Indenture on the
date hereof. 
 Dated: 
  

			
	AMEREN ILLINOIS COMPANY
		
	By:	 	  

		 	AUTHORIZED EXECUTIVE OFFICER

  

			
	ATTEST:
		
	 By:
	 	  

		 	AUTHORIZED EXECUTIVE OFFICER

 [FORM OF TRUSTEE’S CERTIFICATE OF AUTHENTICATION] 

This is one of the Mortgage Bonds of the series designated therein referred to in the within mentioned Indenture and the Supplemental
Indenture dated as of December 1, 2013. 
 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. 

as successor trustee to 
 Harris
Trust and Savings Bank, 
 TRUSTEE, 
  

			
	By:	 	  

		 	AUTHORIZED SIGNATORY

  
 7 

 [FORM OF REVERSE OF BOND] 

This Mortgage Bond is one of a duly authorized issue of Mortgage Bonds of the Company (the “Mortgage Bonds”) in unlimited
aggregate principal amount, of the series hereinafter specified, all issued and to be issued under and equally secured by the General Mortgage Indenture and Deed of Trust (as amended and supplemented, the “Indenture”), dated as of
November 1, 1992, executed by the Company (as successor to Illinois Power Company) to The Bank of New York Mellon Trust Company, N.A., as successor trustee to Harris Trust and Savings Bank (the “Trustee”) to which Indenture
reference is hereby made for a description of the properties mortgaged and pledged, the nature and extent of the security, the rights of registered owners of the Mortgage Bonds and of the Trustee in respect thereof, and the terms and conditions upon
which the Mortgage Bonds are, and are to be, secured. The Mortgage Bonds may be issued in series, for various principal sums, may mature at different times, may bear interest at different rates and may otherwise vary as provided in the
Indenture. This Mortgage Bond is one of a series designated as the Series FF Mortgage Bonds of the Company, unlimited in aggregate principal amount, issued under and secured by the Indenture and described in the Supplemental Indenture
dated as of December 1, 2013 (the “Supplemental Indenture of December 1, 2013” ), between the Company and the Trustee, supplemental to the Indenture. 

This Series FF Mortgage Bond is subject to redemption in accordance with the terms of Article II of the Supplemental Indenture of
December 1, 2013. 
 This Mortgage Bond shall be governed by and construed in accordance with the laws of the State of Illinois, except
to the extent that the law of any other jurisdiction shall be mandatorily applicable. 
 In case an Event of Default, as defined in the
Indenture, shall occur, the principal of all Mortgage Bonds at any such time outstanding under the Indenture may be declared or may become due and payable, upon the conditions and in the manner and with the effect provided in the Indenture. The
Indenture provides that such declaration may be rescinded under certain circumstances. 
 ARTICLE II 

REDEMPTION 

Section 1. The Series FF Mortgage Bonds are not redeemable except on the date, in the principal amount and for the redemption price
that correspond to the redemption date for, the principal amount to be redeemed of, and the redemption price for, the Senior Notes, and except as set forth in Section 2 of this Article. 

In the event that the Company redeems any Senior Notes prior to maturity in accordance with the provisions of the Senior Note Indenture, the
Senior Note Trustee shall on the same date deliver to the Company the Series FF Mortgage Bonds in principal amount corresponding to the Senior Notes so redeemed, as provided in Section 4.08 of the Senior Note Indenture. The Company
agrees to give the Trustee notice of any such redemption of the Senior Notes on or before the date fixed for any such redemption. 

Section 2. Upon the occurrence of an Event of Default under the Senior Note Indenture (as defined therein) and the acceleration of the
Senior Notes, the Series FF Mortgage Bonds shall be redeemable in whole upon receipt by the Trustee (with a copy to the Company) of a written demand (hereinafter called a “FF Redemption Demand”) from the Senior Note Trustee
stating that there has occurred under the Senior Note Indenture both an Event of Default and a declaration of acceleration of payment of principal, accrued interest and premium, if any, on the Senior Notes specifying the last date to which interest
on such Senior Notes has been paid (such date being hereinafter referred to as the “FF Initial Interest Accrual Date”) and demanding redemption of the Series FF Mortgage Bonds. The Company waives any right it may have to
prior notice of such redemption under the Indenture. Upon surrender of the Series FF Mortgage Bonds by the Senior Note Trustee to the Trustee, the Series FF Mortgage Bonds shall be redeemed at a redemption price equal to the principal
amount thereof plus accrued interest thereon from the FF Initial Interest Accrual Date to the redemption date; provided, however, that in the event of a rescission or annulment of acceleration of the Senior Notes pursuant to the last paragraph of
Section 8.01(a) of the Senior Note Indenture, then any FF Redemption Demand shall thereby be deemed to be rescinded by the Senior Note Trustee although no such rescission or annulment shall extend to or affect any subsequent default or
impair any right consequent thereon. 

  
 8 

 ARTICLE III 

ISSUE OF THE SERIES FF MORTGAGE BONDS 

Section 1. The Company hereby exercises the right to obtain the authentication of $280,000,000 principal amount of additional Bonds
pursuant to the terms of Section 4.04 of the Indenture, all of which shall be Series FF Mortgage Bonds. The principal amount of the Series FF Mortgage Bonds outstanding from time to time shall always be equal to the principal
amount of the Senior Notes which are outstanding from time to time under the Senior Note Indenture and to the extent the Senior Note Trustee holds Series FF Mortgage Bonds in excess of such principal amount, such Series FF Mortgage Bonds
shall be deemed cancelled and retired and no longer outstanding under the Indenture. 
 Section 2. Such Series FF Mortgage Bonds
may be authenticated and delivered prior to the filing for recordation of this Supplemental Indenture. 
 Section 3. For purposes of
Section 4.09 of the Senior Note Indenture, the Series FF Mortgage Bonds shall be deemed to be the “Related Series of Senior Notes Mortgage Bonds” in respect of the Senior Notes. 

ARTICLE IV 
 THE TRUSTEE

 The Trustee hereby accepts the trusts hereby declared and provided, and agrees to perform the same upon the terms and conditions in
the Indenture set forth and upon the following terms and conditions: 
 The Trustee shall not be responsible in any manner whatsoever for or
in respect of the validity or sufficiency of this Supplemental Indenture or the due execution hereof by the Company or for or in respect of the recitals contained herein, all of which recitals are made by the Company solely. In general, each
and every term and condition contained in Article Eleven of the Indenture shall apply to this Supplemental Indenture with the same force and effect as if the same were herein set forth in full, with such omissions, variations and modifications
thereof as may be appropriate to make the same conform to this Supplemental Indenture. 
 ARTICLE V 

MISCELLANEOUS PROVISIONS 

Except as otherwise defined herein, capitalized terms defined in the Indenture are used herein as therein defined. This Supplemental Indenture
may be simultaneously executed in any number of counterparts, each of which when so executed shall be deemed to be an original; but such counterparts shall together constitute but one and the same instrument. 

  
 9 

 IN WITNESS WHEREOF, said Ameren Illinois Company has caused this Supplemental Indenture to be
executed on its behalf by an Authorized Executive Officer as defined in the Indenture, and its corporate seal to be hereto affixed and said seal and this Supplemental Indenture to be attested by an Authorized Executive Officer as defined in the
Indenture; and said The Bank of New York Mellon Trust Company, N.A., as successor trustee to Harris Trust and Savings Bank, in evidence of its acceptance of the trust hereby created, has caused this Supplemental Indenture to be executed on its
behalf by one of its Vice Presidents and this Supplemental Indenture to be attested by its Secretary or one of its Vice Presidents; all as of December 1, 2013. 

AMEREN ILLINOIS COMPANY 
 (CORPORATE SEAL)

  

			
	By:	 	 /s/ Ryan J. Martin

		 	Name: Ryan J. Martin
		 	Title: Assistant Vice President and Treasurer

  

			
	ATTEST:
		
	By:	 	 /s/ Craig W. Stensland

		 	Name: Craig W. Stensland
		 	Title: Assistant Secretary

  
 10 

 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. 

successor trustee to 
 Harris Trust
and Savings Bank, 
 TRUSTEE, 
  

			
	By:	 	 /s/ Richard Tarnas

		 	Name: Richard Tarnas
		 	Title: Vice President

  

			
	ATTEST:
		
	By:	 	 /s/ Lawrence M. Kusch

		 	Name: Lawrence M. Kusch
		 	Title:  Vice President

  
 11 

					
	STATE OF MISSOURI	 	)	 	
		 		 	ss.
	CITY OF ST. LOUIS	 	)	 	

 BE IT REMEMBERED, that on this 4th day of December, 2013,
before me, the undersigned, a Notary Public within and for the City and State aforesaid, personally came Ryan J. Martin, Assistant Vice President and Treasurer and Craig W. Stensland, Assistant Secretary, of Ameren Illinois Company, a corporation
duly organized, incorporated and existing under the laws of the State of Illinois, who are personally known to me to be such officers, and who are personally known to me to be the same persons who executed as such officers the within instrument of
writing, and such persons duly acknowledged that they signed, sealed and delivered the said instrument as their free and voluntary act as such officers and as the free and voluntary act of said Ameren Illinois Company for the uses and purposes
therein set forth. 
 IN WITNESS WHEREOF, I have hereunto subscribed my name and affixed my official seal on the day and year last above
written. 
  

	
	 Lynn M. Smith

NOTARY PUBLIC

 My Commission Expires on 09/28/2014 

(NOTARIAL SEAL) 
 LYNN M. SMITH 

Notary Public – Notary Seal 
 STATE OF MISSOURI 

Commission for St. Louis City 
 My Commission Expires Sept. 28,
2014 
 Commission # 10402618 

  
 12 

					
	STATE OF ILLINOIS	 	)	 	
		 		 	ss.
	COUNTY OF COOK	 	)	 	

 BE IT REMEMBERED, that on this 4th day of December, 2013,
before me, the undersigned, a Notary Public within and for the County and State aforesaid, personally came Richard Tarnas, Vice President and Lawrence M. Kusch, Vice President, of The Bank of New York Mellon Trust Company, N.A., a national banking
association duly organized, incorporated and existing under the laws of the United States, who are personally known to me or proved to me on the basis of satisfactory evidence to be the same persons who executed as such officers the within
instrument of writing, and such persons duly acknowledged that they signed and delivered the said instrument as their free and voluntary act as such Vice President and Vice President, and as the free and voluntary act of said The Bank of New York
Mellon Trust Company, N.A. for the uses and purposes therein set forth. 
 IN WITNESS WHEREOF, I have hereunto subscribed my name and
affixed my official seal on the day and year last above written. 
  

	
	 Julie Meadors

NOTARY PUBLIC

 My Commission Expires on February 6, 2016 

(NOTARIAL SEAL) 
 “Official Seal” 

Julie Meadors 
 Notary Public, State of Illinois 

My Commission Expires 2/6/16 

  
 13EX-10.1

 Exhibit 10.1 

Analogic Corporation 

Annual Incentive Plan for Fiscal Year 2014 
  

			
	Employee:	  	Supervisor:
		
	Title:	  	Target Level (% of salary):
		
	Plan Year:	  	

 Congratulations! Analogic Corporation (the “Company”) has selected you to participate in its Annual Incentive Plan
(the “Plan”) for Fiscal Year 2014. A summary of the terms of the Plan, as it applies to you, is shown below*: 
  

	1.	Eligibility to Earn an Award 

 You will be eligible to earn an award under the Plan if all of the
following conditions apply: 
  

	a)	Analogic achieves at least 87.6% of its Non-GAAP Earnings per Share (EPS) budget for fiscal year 2014; 

  

	b)	you are an employee of the Company on July 31, 2014,** or your employment is terminated involuntarily on or after February 1, 2014 and you are eligible for Severance Benefits. 

 

	2.	Performance Factors (see attachment) 

 The Target Level for your award is listed above.
Your actual award may be greater or less than the Target Level, depending on the Company’s performance for the Plan year. If you are eligible to receive an award, your final award amount will be determined based upon the following performance
factors: 
  

	a)	Analogic Non-GAAP EPS—60% of your award shall be determined by Analogic’s year-end results for Non-GAAP EPS relative to budget for fiscal year 2014. 

 

	b)	Analogic Revenue—30% of your award shall be determined by Analogic’s year-end results for Revenue relative to budget for fiscal year 2014. 

 

	c)	Analogic Non-GAAP Return on Invested Capital (ROIC)—10% of your award shall be determined by Analogic’s year-end results for Non-GAAP ROIC relative to budget for fiscal year 2014. 

 

	3.	Determining Your Award 

  

	a)	Your award will be equal to your Target Level multiplied by your Eligible Base Earnings, adjusted for the actual performance measures relative to budget attained for 2014. “Eligible Base Earnings” means total
base salary payments (including vacation, sick, and holiday pay) made through Company payroll for the Plan year. Payments made to employees during approved medical leaves of absence are excluded. 

 

	b)	Actual awards will range from 0 to two (2) times the Target Level for the performance factors. 

  

	c)	If you are not eligible for an award for the entire 2014 fiscal year or if your Target Level changes during the Plan year, your award will be prorated based on the number of months that you were eligible to receive the
award. 

 This document is not an employment agreement, and terms of employment are unaffected because of this document. The Company reserves
the right to adjust awards up or down in its discretion based on exceptional circumstances. If Analogic Non-GAAP EPS is less than 87.6% of budget, no awards will be earned under this Plan. 

 

	*	For more information concerning the Plan, please contact the Human Resources Department. 

	**	Because payment of an award under the Plan is determined in part upon the Company’s performance during the 2014 Fiscal Year, the payment date of any award will be after the completion of fiscal year 2014, as
determined in the sole discretion of the Company’s Compensation Committee. 

 Analogic Corporation 

Annual Incentive Plan for Fiscal Year 2014 
  

					
	Target Level (% of Salary):	  		  	Annual Salary as of x/x/2013:
			
		  		  	Target Bonus as of x/x/2013:
			
	 Performance Factors
	  		  	
			
	 Analogic Non-GAAP EPS:
	  	60% of award	  	Target Amount as of x/x/2013:
			
	 Analogic Revenue:
	  	30% of award	  	Target Amount as of x/x/2013:
			
	 Analogic Non-GAAP ROIC:
	  	10% of award	  	Target Amount as of x/x/2013:

 If you are eligible to receive an award under the Plan, the following charts describe how the amount of your award will be
determined based upon the Company’s financial performance. 
  

	a.	Analogic Non-GAAP Earnings per Share vs. Fiscal Year 2014 Budget 

  

																	
	 % of

Budget
	  	< 87.6% of
Budget	 	 	87.6% of
Budget	 	 	100% of
Budget	 	 	> 118.7% of
Budget	 
	 % of Target
	  	 	0	% 	 	 	25	% 	 	 	100	% 	 	 	200	% 
	 Award Amount
	  	$	0	  	 				 				 			

  

	b.	Analogic Revenue vs. Fiscal Year 2014 Budget 

  

																	
	 % of

Budget
	  	< 91.8% of
Budget	 	 	91.8% of
Budget	 	 	100% of
Budget	 	 	> 105.0% of
Budget	 
	 % of Target
	  	 	0	% 	 	 	25	% 	 	 	100	% 	 	 	200	% 
	 Award Amount
	  	$	0	  	 				 				 			

  

	c.	Analogic Non-GAAP ROIC vs. Fiscal Year 2014 Budget 

  

																	
	 % of

Budget
	  	< 97.3% of
Budget	 	 	97.3% of
Budget	 	 	100% of
Budget	 	 	> 110.3% of
Budget	 
	 % of Target
	  	 	0	% 	 	 	25	% 	 	 	100	% 	 	 	200	% 
	 Award Amount
	  	$	0	  	 				 				 			

  

	 	•	 	Intermediate results on above financial measures will be interpolated. 

  

	 	•	 	Your target bonus, and all variations thereof, are based on a full fiscal year in your current position and will be prorated to reflect the actual amount of time you are in your current role during fiscal 2014. See
Section 3(c) of this document. 

  

	 	•	 	If Analogic Non-GAAP EPS is <87.6% of budget, no awards will be earned under the plan

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