Document:

EX-10.29

 Exhibit 10.29 

LDR HOLDING CORPORATION 

NON-EMPLOYEE INDEPENDENT DIRECTOR COMPENSATION POLICY 

This sets forth the Non-employee Independent Director Compensation Policy (the
“Policy”) of LDR Holding Corporation (the “Company”), as adopted by the Compensation Committee of the Board of Directors of the Company (the “Board”), which shall remain in effect until amended,
replaced or rescinded by further action of the Compensation Committee or the Board. The cash compensation and equity awards described in this Policy shall be paid or be made, as applicable, to each independent member of the Board who is not an
employee of the Company or any subsidiary (each, a “Non-Employee Director”) who may be eligible to receive such cash compensation or equity awards. Members of the Board shall not be entitled to receive any other compensation for
service on the Board. This Policy shall be effective upon the consummation of the Company’s initial public offering (“IPO”). 
  

	1.	Annual Retainer and Committee Fees. 

 Payment Amount. Each Non-Employee Director serving as a member of the Board at the beginning of the Company’s fiscal year shall be eligible to receive an annual retainer of $30,000 for service on the Board, payable in quarterly
installments of $7,500 each. In addition, each Non-Employee Director serving as a chair of the Audit Committee, Compensation Committee or Nominating and Governance Committee shall be eligible to receive an
additional annual retainer of $20,000, $12,500, and $8,000, respectively, payable in quarterly installments of $5,000, $3,125, and $2,000, respectively, for service as chair of the applicable Board committee. Each
Non-Employee Director serving as a non-chair member of the Audit Committee, Compensation Committee or Nominating and Governance Committee shall be eligible to receive an
additional annual retainer of $10,000, $7,500, and $5,000, respectively, payable in quarterly installments of $2,500, $1,875 and $1,250, respectively, for service as a non-chair member of the applicable Board
committee. 
 Payment Schedule and Vesting. Quarterly installments for the annual retainer for service on the Board and service as a
chair or member of a Board committee shall be paid by the Company as soon as practicable after the end of each of the Company’s fiscal quarters for which the Non-Employee Director shall have served. If
any Non-Employee Director holds office as a director of the Board or chair or member of a Board Committee for less than a full fiscal quarter, the Non-Employee Director
shall only be entitled to a pro-rated amount of the quarterly installment for the applicable annual retainer based on the period during the fiscal quarter that such
Non-Employee Director actually served in the applicable capacity. 
  

	2.	Meeting Fees. 

 No fees shall be paid to any individual serving as a Non-Employee Director for the attendance of such individual at any Board or committee meeting unless and until the number of meetings of the Board or the number of meetings of a committee attended by such
individual, whether in person or telephonically, exceeds 5 during any calendar year. 

 A Non-Employee Director shall be eligible to receive the
following fees for each meeting of the Board attended by such individual during a calendar year, whether in person or telephonically, in excess of 5: (i) $1,000 for each meeting of the Board attended in person, and (ii) $750 for each
meeting of the Board attended via teleconference. A Non-Employee Director shall be eligible to receive the following fees for each meeting of a committee attended by such individual during a calendar year,
whether in person or telephonically, in excess of 5: (i) $750 for each meeting of such committee attended in person, and (ii) $400 for each meeting of such committee attended via teleconference. Such meeting fees shall be paid as soon as
practicable following each meeting but in no event later than 30 days following the meeting. 
  

	3.	Equity Compensation. 

 Grants upon IPO. Upon consummation of the Company’s
IPO, each Non-Employee Director shall be granted an equity award in the form of an option to purchase 3,111 shares of the Company’s Common Stock (as adjusted to reflect stock dividends, stock splits,
combinations, recapitalizations and the like with respect to such shares) (the “IPO Grant”). The shares subject to a Non-Employee Director’s IPO Grant shall vest in 36 equal monthly
installments over the 36-month period measured from the grant date for so long as such Non-Employee Director remains in service with the Company through each such
vesting date. 
 Annual Director Grants. Each individual who is to continue to serve as a
Non-Employee Director following the Company’s Annual Stockholders Meeting (starting with the 2014 Annual Stockholders Meeting), whether or not such individual is standing for re-election at such meeting, shall be granted an equity award in the form of an option to purchase 622 shares of the Company’s Common Stock (as adjusted to reflect stock dividends, stock splits, combinations,
recapitalizations and the like with respect to such shares) (the “Annual Grant”). The shares subject to a Non-Employee Director’s Annual Grant shall vest in 12 equal monthly installments
over the 12-month period measured from the grant date for so long as such Non-Employee Director remains in service with the Company through each such vesting date,
provided, however, that if the Company’s next regular Annual Stockholders Meeting occurs prior to the end of the 12-month vesting period for an Annual Grant made to a
Non-Employee Director, any unvested option shares subject to such Annual Grant shall become vested immediately prior to such meeting if such Non-Employee Director serves
until such meeting. For the avoidance of doubt, each Non-Employee Director who is elected for the first time at an Annual Stockholders Meeting shall not receive an Annual Grant at the time of such meeting but
shall instead receive an Initial Grant (as described below). 
 New Director Grants. Upon initial election or appointment to the Board
following the IPO, a new Non-Employee Director shall be granted on the date of his or her election or appointment (or the next trading day, if such election or appointment does not occur on a 

  
 2 

 trading day) an equity award in the form of an option to purchase 3,111 of shares Company’s
Common Stock (as adjusted to reflect stock dividends, stock splits, combinations, recapitalizations and the like with respect to such shares) (the “Initial Grant”). The shares subject to a
Non-Employee Director’s Initial Grant shall vest in 36 equal monthly installments over the 36-month period measured from the grant date for so long as such Non-Employee Director remains in service with the Company through each such vesting date. 
 Form of
Equity Awards. The Compensation Committee shall determine, in its sole discretion, the form of awards granted to Non-Employee Directors from time to time in accordance with this Policy. 

Value of Equity Awards. The value of an equity award granted in accordance with this Policy shall be determined by reference to
(a) with respect to shares subject to an option, the fair value of an option share as estimated on the date of grant under a valuation model approved by the Financial Accounting Standards Board (“FASB”) for purposes of the
Company’s financial statements under FAS 123 (or any successor provision); and (b) with respect to shares subject to a RSU, the fair market value per share of the Company’s Common Stock on the date of grant. 

 

	4.	Expense Reimbursement. All Non-Employee Directors shall be entitled to reimbursement from the Company for their reasonable expenses of travel (including airfare and ground
transportation) to and from meetings of the Board, and reasonable lodging and meal expenses incident thereto. 

  
 3EX-4.3

 Exhibit 4.3 

HYDRO ONE INC. 
 Issuer

 and 

COMPUTERSHARE TRUST COMPANY OF CANADA 

Trustee 
  

 
 TWENTY-EIGHTH
SUPPLEMENTAL TRUST INDENTURE 
 supplementing the Trust Indenture 

dated as of June 4, 2001 
 and

 providing for the issue of 

$1,000,000,000 Principal Amount of 2.78% Unsecured Medium Term Notes 

due 2018 (Series 28) 
  

 
 October 9,
2013 

 TABLE OF CONTENTS 

 

					
	 	  	Page	 
	 ARTICLE 1 INTERPRETATION
	  	 	1	  
	             1.1      To Be Read With Base
Indenture
	  	 	1	  
	             1.2      Twenty-Eighth
Supplemental Indenture
	  	 	1	  
	             1.3      Definitions
	  	 	2	  
		
	 ARTICLE 2 THE SERIES 28 NOTES
	  	 	3	  
	             2.1      Creation and
Designation
	  	 	3	  
	             2.2      Limitation on Aggregate
Principal Amount
	  	 	3	  
	             2.3      Date of Issue and
Maturity
	  	 	3	  
	             2.4      Interest
	  	 	3	  
	             2.5      Interest
Payments
	  	 	3	  
	             2.6      Payment of
Principal
	  	 	4	  
	             2.7      Redemption and
Repurchase
	  	 	4	  
	             2.8      Form of Series 28
Notes
	  	 	4	  
	             2.9      Execution of Series 28
Notes
	  	 	5	  
	             2.10    Certification
	  	 	5	  
	             2.11    Location of Registers
	  	 	5	  
	             2.12    Additional Amounts
	  	 	6	  
	             2.13    Trustee, etc.
	  	 	6	  
	             2.14    U.S. Trust Indenture Act
Compliance
	  	 	6	  
		
	 ARTICLE 3 MISCELLANEOUS
	  	 	6	  
	             3.1      Acceptance of
Trust
	  	 	6	  
	             3.2      Confirmation of Base
Indenture
	  	 	6	  
	             3.3      Compliance with Privacy
Laws
	  	 	6	  
	             3.4      Trustee Not Bound to
Act
	  	 	7	  
	             3.5      Counterparts
	  	 	7	  
		
	 SCHEDULE 1—FORM OF SERIES 28 NOTE
	  			

  
 - i - 

 THIS TWENTY-EIGHTH SUPPLEMENTAL TRUST INDENTURE dated as of the 9th day of October, 2013, 
 BETWEEN: 

HYDRO ONE INC., a corporation incorporated under the laws of 

Ontario (the “Corporation”) 

- and - 
 COMPUTERSHARE TRUST
COMPANY OF CANADA, 
 a trust company incorporated under the laws of Canada (the “Trustee”) 

WHEREAS the Corporation has entered into a Trust Indenture dated as of June 4, 2001 (the “Original Indenture”) which provides for
the issuance of one or more series of unsecured medium term notes of the Corporation by way of Supplemental Indentures; 
 AND WHEREAS the
Corporation has entered into a twenty-second supplemental indenture dated July 29, 2011 (the “Twenty-Second Supplemental Indenture”) which provides for an amendment to the definition of “Canadian GAAP” in the Original
Indenture (the Original Indenture, as amended and supplemented by the Twenty-Second Supplemental Indenture, hereinafter collectively referred to as the “Base Indenture”); 

AND WHEREAS this Twenty-Eighth Supplemental Indenture is entered into for the purpose of providing for the creation and issuance of up to $1,000,000,000
aggregate principal amount of Series 28 Notes pursuant to the Base Indenture and establishing the terms, provisions and conditions of the Series 28 Notes; 

AND WHEREAS the foregoing representations and statements of fact are made by the Corporation and not by the Trustee; 

NOW THEREFORE THIS TWENTY-EIGHTH SUPPLEMENTAL INDENTURE WITNESSES and it is hereby covenanted, agreed and declared as follows: 

ARTICLE 1 

INTERPRETATION 

1.1    To Be Read With Base Indenture 

This Twenty-Eighth Supplemental Indenture is a Supplemental Indenture within the meaning of the Original Indenture. The Base Indenture and this Twenty-Eighth
Supplemental Indenture shall be read together and shall have effect so far as practicable as though all the provisions of all indentures were contained in one instrument. 

1.2    Twenty-Eighth Supplemental Indenture 

The terms “this Twenty-Eighth Supplemental Indenture”, “this indenture”, “herein”, “hereof”,
“hereby”, “hereunder” and similar expressions, unless the context otherwise specifies or requires, refer to the Base Indenture as amended and supplemented by this Twenty-

 
Eighth Supplemental Indenture and not to any particular article, section, subsection or clause or other portion thereof, and include every instrument supplemental or ancillary to this
Twenty-Eighth Supplemental Indenture. 
 1.3    Definitions 

All terms which are used but not defined in this Twenty-Eighth Supplemental Indenture shall have the meanings ascribed to them in the Base Indenture. In the
event of any inconsistency between the terms in the Base Indenture and this Twenty-Eighth Supplemental Indenture, the terms in this Twenty-Eighth Supplemental Indenture prevail. Subject to the foregoing, and in addition to the terms defined above in
the recitals to this Twenty-Eighth Supplemental Indenture, in this Twenty-Eighth Supplemental Indenture and in the Series 28 Notes the following terms have the following meanings: 

“Government of Canada Yield” on any date means the yield to maturity on such date, compounded semi-annually and calculated in accordance with
generally accepted Canadian financial practice, which a non-callable Government of Canada bond would carry if issued in dollars in Canada, at 100% of its principal amount on such date with a term to maturity equal to, or if no Government of Canada
bond having an equal term to maturity exists, as close as possible to, the remaining term to maturity (calculated from the redemption date) of, in the case of the Series 28 Notes, the Series 28 Notes, such yield to maturity being the average of the
yields provided by two Canadian investment dealers specified by the Corporation; 
 “Series 28 Notes” means the unsecured medium term notes
of the Corporation referred to in Section 2.1; 
 “Series 28 Note Account” means any deposit account which is designated in writing
to the Trustee as the Series 28 Note Account; 
 “Series 28 Note Canada Yield Price” means a price equal to the price of the Series
28 Notes calculated to provide a yield to maturity, compounded semi-annually and calculated in accordance with generally accepted Canadian financial practice, equal to the Government of Canada Yield calculated at 10:00 a.m. (Toronto time) on the
Business Day preceding the day on which the Corporation gives notice of redemption pursuant to Section 5.3 of the Original Indenture, plus 0.22%; 

“Series 28 Note Interest Payment Date” means April 9 and October 9 in each year that the Series 28 Notes are outstanding;

 “Series 28 Note Interest Period” means, in respect of a Series 28 Note Interest Payment Date, the period commencing on the later of
the date of issue of the Series 28 Notes and the immediately preceding Series 28 Note Interest Payment Date and ending on the day immediately preceding such Series 28 Note Interest Payment Date in respect of which interest is payable; and 

“Series 28 Note Regular Record Date” means the date specified herein for determining holders entitled to receive interest on the Series 28
Notes on any Series 28 Note Interest Payment Date. 

  
 - 2 - 

 ARTICLE 2 

THE SERIES 28 NOTES 

2.1    Creation and Designation 
 The
Corporation, being authorized in accordance with the Base Indenture to create and issue unsecured medium term notes in one or more series, hereby authorizes under this Twenty-Eighth Supplemental Indenture the creation and issuance from time to time,
in one or more issues, of a series of unsecured medium term notes designated as “2.78% Notes due 2018 (Series 28)”, which will have the terms set out in this Twenty-Eighth Supplemental Indenture. 

2.2    Limitation on Aggregate Principal Amount 

The aggregate principal amount of Series 28 Notes which may be issued under this Twenty-Eighth Supplemental Indenture will be limited to $1,000,000,000. 

2.3    Date of Issue and Maturity 

The Series 28 Notes will be dated as of the date of their issue and will become due and payable, together with all accrued interest and unpaid interest
thereon, on October 9, 2018. 
 2.4    Interest 
  

	 	(a)	The Series 28 Notes will be issued in $1,000 denominations or integral multiples thereof and bear interest on the unpaid principal amount thereof at a rate of 2.78% per annum from their date of issue or as
otherwise specified in the applicable Series 28 Note with interest payable on each Series 28 Note Interest Payment Date semi-annually in arrears in equal instalments. The first Series 28 Note Interest Payment Date will be April 9, 2014 in
respect of the Series 28 Notes issued on the date hereof for the period from and including October 9, 2013. 

  

	 	(b)	Interest will be payable in respect of each Series 28 Note Interest Period (after as well as before maturity, default and judgement, with interest on overdue interest at the same rate) on each Series 28 Note Interest
Payment Date in accordance with Section 2.8 of the Original Indenture. 

  

	 	(c)	Interest on the Series 28 Notes in respect of periods that end on a day other than the day immediately preceding a Series 28 Interest Payment Date or in respect of periods after the Maturity Date will be computed on the
basis of a year of 365 days or 366 days, as the case may be, for the actual number of days elapsed and will accrue from day to day. 

  

	 	(d)	The Series 28 Note Regular Record Date will be the close of business two Business Days preceding the relevant Series 28 Note Interest Payment Date. 

2.5    Interest Payments 
 The
Corporation (except in case of payment of interest at maturity or as otherwise provided in the Base Indenture, at which time payment of interest, less any taxes required by law to be deducted or withheld, may at the option of the Corporation be made
upon presentation and 

  
 - 3 - 

 
surrender of the certificate representing Series 28 Notes), on the day that is two Business Days before each Series 28 Note Interest Payment Date, will forward or cause to be forwarded to the
registered address of each holder of a Series 28 Note as of the Series 28 Note Regular Record Date a cheque for such interest, less any taxes required by law to be deducted or withheld, payable to the order of such holder provided the Trustee will
only forward such cheque upon receipt of the full amount of interest being paid in immediately available funds to be held by the Trustee in the Series 28 Note Account. The forwarding of such cheque will satisfy and discharge the liability for
interest upon such Series 28 Note to the extent of the sum represented thereby (plus the amount of any taxes deducted or withheld as aforesaid) unless such cheque is not paid on presentation. Upon a written request to do so, the Corporation, at its
option, may cause the amount payable in respect of interest to be paid to such holder of Series 28 Notes by wire transfer to an account maintained by such holder of Series 28 Notes or any other method acceptable to the Corporation. 

2.6    Payment of Principal 
 In
accordance with Section 9.2 of the Original Indenture, the Corporation will deposit to the Series 28 Note Account all amounts required to be paid to the order of holders of Series 28 Notes on maturity on account of principal, one Business Day
before the maturity date of the Series 28 Notes. The deposit of such funds will satisfy and discharge the liability for principal of the Series 28 Notes to the extent of the sum represented thereby. 

2.7    Redemption and Repurchase 
  

	 	(a)	At its option, the Corporation may redeem the Series 28 Notes at any time and from time to time, in whole or in part, on payment of a redemption price equal to the greater of (i) the Series 28 Note Canada Yield
Price and (ii) par, together in each case with accrued and unpaid interest to the date fixed for redemption. The Corporation will give notice of redemption not more than 60 days and not less than 15 days before the date fixed for redemption.
Less than all of the Series 28 Notes may be redeemed, if so redeemed, in accordance with Section 5.2 of the Original Indenture. 

  

	 	(b)	The Corporation will be entitled at any time and from time to time to purchase for cancellation Series 28 Notes in the market (which may include purchases from or through an investment dealer or a firm holding
membership on a recognized stock exchange) or by tender or by private contract at any price. Series 28 Notes that are so purchased will be cancelled and will not be re-issued. Less than all of the Series 28 Notes may be purchased, if so purchased,
for cancellation in accordance with Section 5.5 of the Original Indenture. 

  

	 	(c)	The Series 28 Notes will not be subject to repurchase pursuant to any sinking fund or any other required repayment provisions. 

2.8    Form of Series 28 Notes 
 The
Series 28 Notes and the certificate of the Trustee endorsed thereon shall be issuable initially as one Global Note held by, or on behalf of, CDS, as depository, for its participants and registered in the name of CDS or its nominee. The Global Note
will be substantially in the form 

  
 - 4 - 

 
set out in Schedule 1 hereto with such appropriate additions, deletions, substitutions and variations as the Trustee may approve and shall bear such distinguishing letters and numbers as the
Trustee may approve, with such approval in each case to be conclusively deemed to have been given by the Trustee certifying such Series 28 Notes. 

2.9    Execution of Series 28 Notes 

The Series 28 Notes shall be signed (either manually or by facsimile signature) by any two of the chairman of the Corporation’s board of directors, the
president and chief executive officer, the chief financial officer, the treasurer, the general counsel and the secretary, or those acting in such capacities. A signature upon any of the Series 28 Notes shall for all purposes of this Twenty-Eighth
Supplemental Indenture be deemed to be the signature of the individual whose signature it purports to be and to have been signed at the time of such signature (either manual or by facsimile) and notwithstanding that any individual whose signature
(either manual or by facsimile) may appear on the Series 28 Notes is not, at the date of this Twenty-Eighth Supplemental Indenture or at the date of the Series 28 Notes or at the date of the certifying and delivery thereof, the chairman, the
president and chief executive officer, the chief financial officer, the treasurer, the general counsel or the secretary, or those acting in such capacities, as the case may be, of the Corporation, such Series 28 Notes shall be valid and binding
upon the Corporation and entitled to the benefits of this Twenty-Eighth Supplemental Indenture. 
 2.10    Certification 

 

	 	(a)	No Series 28 Note shall be issued or, if issued, shall be obligatory or shall entitle the holder of such Series 28 Note to the benefits of this Twenty-Eighth Supplemental Indenture until it has been certified by manual
signature by or on behalf of the Trustee substantially in the form set out in Schedule 1 hereto, or in some other form approved by the Trustee, whose approval shall be conclusively evidenced by the certification thereof. Such certificate on any
Series 28 Note shall be conclusive evidence that such Series 28 Note is duly issued and is a valid obligation of the Corporation and that the holder of such Series 28 Note is entitled to the benefits of this Twenty-Eighth Supplemental Indenture.

  

	 	(b)	The certificate of the Trustee on any Series 28 Note shall not be construed as a representation or warranty by the Trustee as to the validity of this Twenty-Eighth Supplemental Indenture or of the Series 28 Notes
(except the due certification thereof and any other warranties implied by law) and the Trustee shall in no respect be liable or answerable for the use made of the Series 28 Notes or any of them or the proceeds thereof. 

2.11    Location of Registers 
 With
respect to the Series 28 Notes, initially the registers referred to in Section 3.1 of the Original Indenture shall be kept by and at the principal offices of the Trustee and may be kept in such other place or places, if any, by the Trustee or
by such other registrar or registrars (if any) as the Corporation, with the approval of the Trustee, may designate. 

  
 - 5 - 

 2.12    Additional Amounts 

The Corporation will not be required to pay an additional amount on the Series 28 Notes in respect of any tax, assessment or government charge withheld or
deducted. 
 2.13    Trustee, etc. 

The Trustee will be the trustee, authenticating agent, paying agent, transfer agent and registrar for the Series 28 Notes. 

Computershare Trust Company, N.A. in Denver, Colorado, an affiliate of the Trustee, will be co-transfer agent for the Series 28 Notes. 

2.14    U.S. Trust Indenture Act Compliance 

Notwithstanding anything to the contrary in the Base Indenture, as amended and supplemented by this Twenty-Eighth Supplemental Indenture, the right of any
holder of the Series 28 Notes to receive payment of the principal of and interest on the Series 28 Notes, on or after the respective due dates for such payments, or to institute suit for the enforcement of any such payment on or after such
respective dates, shall not be impaired or affected without the consent of such holder, except to the extent permitted by Section 316(b) of the U.S. Trust Indenture Act of 1939, as amended. 

ARTICLE 3 
 MISCELLANEOUS

 3.1    Acceptance of Trust 

The Trustee accepts the trusts in this Twenty-Eighth Supplemental Indenture and agrees to carry out and discharge the same upon the terms and conditions set
out in this Twenty-Eighth Supplemental Indenture and in accordance with the Base Indenture. 
 3.2    Confirmation of Base Indenture

 The Base Indenture, as amended and supplemented by this Twenty-Eighth Supplemental Indenture, is in all respects confirmed. 

3.3    Compliance with Privacy Laws 

The Corporation and the Trustee acknowledge that federal and/or provincial legislation that addresses the protection of personal information (collectively,
“Privacy Laws”) applies to obligations and activities under this Twenty-Eighth Supplemental Indenture. Despite any other provision hereof, neither the Corporation nor the Trustee shall take or direct any action that would
contravene, or cause the other to contravene, applicable Privacy Laws. The Corporation shall, prior to transferring or causing to be transferred personal information to the Trustee, obtain and retain required consents of the relevant individuals to
the collection, use and disclosure of their personal information, or shall have determined that such consents either have previously been given in respect of the purpose for which it was collected or are not required under applicable Privacy Laws.
The Trustee shall use commercially reasonable efforts to ensure that its services hereunder comply with Privacy Laws. Specifically, the Trustee agrees: (a) to have a 

  
 - 6 - 

 
designated chief privacy officer; (b) to maintain policies and procedures to protect personal information and to receive and respond to any privacy complaint or inquiry; (c) to use
personal information solely for the purposes of providing its services under or ancillary to this Twenty-Eighth Supplemental Indenture and not to use it for any other purpose except with the consent of or direction from the Corporation or the
individual involved; (d) not to sell or otherwise improperly disclose personal information to any third party; and (e) to employ administrative, physical and technological safeguards to reasonably secure and protect personal information
against loss, theft, or unauthorized access, use or modification. 
 3.4    Trustee Not Bound to Act 

The Trustee shall retain the right not to act and shall not be liable for refusing to act if, due to a lack of information or for any other reason whatsoever,
the Trustee, in its sole judgment, acting reasonably, determines that such act may cause it to be in non-compliance with any applicable anti-money laundering, anti-terrorism or economic sanction legislation, regulation or guideline. Further, should
the Trustee, in its sole judgment, acting reasonably, determine at any time that its acting under this Twenty-Eighth Supplemental Indenture has resulted in non-compliance with any applicable anti-money laundering, anti-terrorism or economic sanction
legislation, regulation or guideline, then it shall have the right to resign pursuant to the terms of Section 13.6 of the Original Indenture, provided that (i) the Trustee’s written notice of resignation shall describe the
circumstances of such non-compliance; and (ii) if such circumstances are rectified to the Trustee’s satisfaction within 15 Business Days of the receipt of such notice of resignation, then such notice shall not be effective. 

3.5    Counterparts 
 This
Twenty-Eighth Supplemental Indenture may be executed in several counterparts each of which so executed shall be deemed to be original and such counterparts together shall constitute one and the same instrument. 

  
 - 7 - 

 IN WITNESS WHEREOF the parties hereto have executed this Twenty-Eighth Supplemental Indenture under the hands of
their proper officers in that behalf. 
  

			
	HYDRO ONE INC.
		
	By:	 	 
		 	Name:  Joseph Agostino
		 	Title:    General Counsel
		
	By:	 	 
		 	 Name:    Sandy Struthers

		 	 Title:      Chief Administration Officer and Chief Financial Officer

  

			
	 COMPUTERSHARE TRUST COMPANY

OF CANADA, as Trustee

		
	By:	 	 
		 	Name:
		 	Title:
		
	By:	 	 
		 	 Name:    

		 	 Title:      

  

  
 - 8 - 

 SCHEDULE 1 

FORM OF SERIES 28 NOTE 
  

 

 FORM OF SERIES 28 GLOBAL NOTE 

THIS NOTE IS A GLOBAL NOTE WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF CDS & CO. AS NOMINEE OF
CDS CLEARING AND DEPOSITORY SERVICES INC. UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF CDS CLEARING AND DEPOSITORY SERVICES INC. (“CDS”) TO HYDRO ONE INC. (THE “ISSUER”) OR ITS AGENT FOR REGISTRATION OF
TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IN RESPECT THEREOF IS REGISTERED IN THE NAME OF CDS & CO., OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF CDS (AND ANY PAYMENT IS MADE TO CDS & CO.
OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF CDS), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED HOLDER HEREOF, CDS & CO., HAS A PROPERTY
INTEREST IN THE SECURITIES REPRESENTED BY THIS CERTIFICATE HEREIN AND IT IS A VIOLATION OF ITS RIGHTS FOR ANOTHER PERSON TO HOLD, TRANSFER OR DEAL WITH THIS CERTIFICATE. THIS CERTIFICATE IS ISSUED PURSUANT TO A BOOK ENTRY ONLY SECURITIES SERVICES
AGREEMENT BETWEEN ISSUER AND CDS, AS SUCH AGREEMENT MAY BE REPLACED OR AMENDED FROM TIME TO TIME. 
  

			
	 REGISTERED
	 	Note#    —    

 HYDRO ONE INC. 

SERIES 28 MEDIUM-TERM NOTES 

(unsecured) 
 (Fixed Rate
Note) 
 ISIN No. CA44810ZBJ80 
 CUSIP No. 44810ZBJ8 

 

			
	 PRINCIPAL AMOUNT: $    —    
	 	DENOMINATIONS (if other than Cdn. dollars
	 (    —     dollars)
	 	or Cdn. dollar denominations of Cdn.$1,000): N/A
		
	 ISSUE DATE:     —    ,
    —    
	 	SPECIFIED CURRENCY:
		 	 Canadian Dollars:

		 	 [+]    Yes

		 	 [  ]    No

		 	 Foreign Currency:

		 	 Exchange Rate Agent:

		
	 STATED MATURITY: October 9, 2018
	 	INTEREST RATE: 2.78% per annum
		
	 INTEREST PAYMENT DATE(S):
	 	PAYMENTS OF PRINCIPAL AND
	 Equal semi-annual payments on each April 9 and
	 	ANY PREMIUM AND INTEREST:
	 October 9, commencing April 9, 2014 (the
	 	 [+]    Canadian Dollars

	 “Initial Interest Payment Date”)
	 	 [  ]    Specified Currency

		
	 RECORD DATE(S):
	 	DAY COUNT CONVENTION:
	 The second Business Day prior to such Interest
	 	 [  ]    30/360 for the period

	 Payment Date
	 	 from to

		 	 [  ]    Actual/360 for the period

		 	 from to

		 	 [+]    Actual/Actual for the period from

		 	 October 9, 2013 to October 9, 2018

		 	 [  ]    Other

		
	 OTHER PROVISIONS: See “Redemption” below.
	 	ADDENDUM ATTACHED:
		 	 [  ]    Yes

		 	 [+]    No

			
	REDEMPTION:	  	Under the Indenture (as defined below), the Notes may be redeemed in whole or in part at the option of the Corporation at any time, upon not less than 15 days and not more than 60 days notice to the holders of the Notes to be
redeemed, and upon deposit with the Trustee, on the date fixed for redemption, of the Redemption Price.
		
		  	“Redemption Price” means, with respect to a Note to be redeemed, the greater of (i) the Series 28 Note Canada Yield Price and (ii) par, together in each case with accrued and unpaid interest to the date
fixed for redemption.
		
		  	“Government of Canada Yield” on any date means the yield to maturity on such date, compounded semi-annually and calculated in accordance with generally accepted Canadian financial practice, which a non-callable
Government of Canada bond would carry if issued in dollars in Canada, at 100% of its principal amount on such date with a term to maturity equal to, or if no Government of Canada bond having an equal term to maturity exists, as close as possible to,
the remaining term to maturity (calculated from the redemption date) of, in the case of the Series 28 Notes, the Series 28 Notes, such yield to maturity being the average of the yields provided by two Canadian investment dealers specified by the
Corporation.
		
		  	“Series 28 Note Canada Yield Price” means a price equal to the price of the Series 28 Notes calculated to provide a yield to maturity, compounded semi-annually and calculated in accordance with generally accepted
Canadian financial practice, equal to the Government of Canada Yield calculated at 10:00 a.m. (Toronto time) on the Business Day preceding the day on which the Corporation gives notice of redemption pursuant to section 5.3 of the Original
Indenture (as defined below), plus 0.22%.

  

  
 - 2 - 

 HYDRO ONE INC. (the “Corporation”) for value received hereby promises to
pay to the registered holder hereof on the Stated Maturity, or on such earlier date as the Principal Amount may become due in accordance with the provisions of the Indenture (as defined below), on presentation and surrender of this 2.78% Note due
2018 (Series 28) (the “Series 28 Note”), the Principal Amount in lawful money of Canada at the Corporate Trust Office, and to pay interest on the Principal Amount at the Interest Rate from the later of October 9, 2013 and the
last Interest Payment Date on which interest has been paid or made available for payment on this Series 28 Note, at the Corporate Trust Office in like money semi-annually in arrears in equal instalments on the Interest Payment Dates in each year,
the first such payment to be payable on the Initial Interest Payment Date, and if the Corporation at any time defaults in the payment of any principal or interest, to pay interest on the amount in default at the same rate, in like money, at the
Corporate Trust Office and semi-annually on the same dates. Prior to each Interest Payment Date, the Corporation (except in case of payment at maturity at which time payment of interest will be made only upon surrender of this Series 28 Note) shall
mail to the registered address of the registered holder of this Series 28 Note, or in the case of joint holders to the registered address of the joint holder first named in the register, a cheque for the interest, less any tax required by law to be
deducted or withheld, payable to the order of such holder or holders and negotiable at par at any of the places at which interest on this Series 28 Note is payable. The mailing of such cheque shall satisfy and discharge the liability for interest
upon this Series 28 Note to the extent of the sum represented thereby (plus the amount of any tax deducted or withheld) unless such cheque is not paid on presentation. 

This Series 28 Note is one of an authorized issue of unsecured medium term notes designated 2.78% Notes due 2018 (Series 28) forming the
twenty-eighth series of unsecured medium term notes issued under a twenty-eighth supplemental indenture dated as of October 9, 2013 (the “Twenty-Eighth Supplemental Indenture”) to a trust indenture (the “Original
Indenture”) dated as of June 4, 2001, as amended and supplemented by a twenty-second supplemental trust indenture dated as of July 29, 2011 (the “Twenty-Second Supplemental Indenture”), in each case made between
the Corporation and Computershare Trust Company of Canada (the “Trustee”) (the Original Indenture, as amended and supplemented by the Twenty-Second Supplemental Indenture and the Twenty-Eighth Supplemental Indenture is referred to
herein as the “Indenture”). The Indenture specifies the terms and conditions upon which the Series 28 Notes are issued or may be issued and held and the rights of the holders of the Series 28 Notes, the Corporation and the Trustee,
all of which are incorporated by reference in this Series 28 Note and to all of which the holder of this Series 28 Note, by acceptance hereof, agrees. 

The aggregate principal amount of unsecured medium term notes of the Corporation that may be issued pursuant to the Indenture is unlimited,
subject to compliance with the covenants contained therein. The Series 28 Notes are limited to one billion dollars ($1,000,000,000) aggregate principal amount in lawful money of Canada (or the equivalent amount if the Series 28 Notes are denominated
in a currency other than Canadian dollars), and are issuable as fully registered medium term notes in the denominations of $1,000 and integral multiples thereof. Upon compliance with the Indenture, this Series 28 Note may be exchanged for an equal
aggregate principal amount of Series 28 Notes in any other authorized denomination or denominations. 
 The Series 28 Notes are direct
unsecured obligations of the Corporation and will rank pari passu with all other unsecured medium term notes from time to time issued and outstanding pursuant to the Indenture and with all other unsecured indebtedness of the Corporation,
except to the extent prescribed by law and except as to any sinking fund which pertains exclusively to any particular indebtedness of the Corporation. 

At any time when the Corporation is not in default under the Indenture, the Corporation may purchase the Series 28 Notes in the market or by
tender at any price. 
 The Principal Amount may become or be declared due before the Stated Maturity on the conditions, in the manner, with
the effect and at the times set forth in the Indenture. 

  
 - 3 - 

 The Indenture contains provisions for the holding of meetings of holders of notes issued by the
Corporation pursuant to the Indenture and making resolutions passed at such meetings and instruments in writing signed by the holders of a specified majority of notes issued and outstanding pursuant to the Indenture binding on all holders of notes
issued by the Corporation pursuant to the Indenture, subject to the provisions of the Indenture. 
 All terms used in this Series 28 Note
which are not defined, shall have the meanings assigned to them in the Indenture. 
 This Series 28 Note may be transferred only upon
compliance with the conditions prescribed in the Indenture on one of the registers kept at the Corporate Trust Office and at such other place or places, if any, and by such other registrar or registrars, if any, as the Corporation may designate, by
the registered holder hereof or the holder’s legal representative or attorney duly appointed by an instrument in writing in form and execution satisfactory to the Trustee, and upon compliance with such reasonable requirements as the Trustee or
other registrar may prescribe, and such transfer shall be duly noted hereon by the Trustee or other registrar. 
 This Series 28 Note shall
not become obligatory for any purpose until it shall have been certified by the Trustee in accordance with the Indenture. 

  
 - 4 - 

 IN WITNESS WHEREOF HYDRO ONE INC. has caused its corporate seal to be hereunto affixed and
this Series 28 Note to be signed by its     —     and its
    —    . 
  

	
	HYDRO ONE INC.
	
	   

	—
	
	   

	—

  
 TRUSTEE’S CERTIFICATE

 This Note is one of the Series 28 Notes referred to in the Hydro One Inc. Indenture referred to above. 

 

			
	 COMPUTERSHARE TRUST COMPANY OF

CANADA, as Trustee

		
	By:	 	 
		 	Certifying Officer

 (NO WRITING HEREON EXCEPT BY THE TRUSTEE OR OTHER REGISTRAR) 

 

									
	 DATE OF

REGISTRY
	 	 	  	 IN WHOSE NAME

REGISTERED
	 	 	  	 SIGNATURE OF
TRUSTEE
 OR OTHER REGISTRAR

	 	 	 	  	CDS & Co.	 	 	  	 
	 	 	 	  	 	 	 	  	 
	 	 	 	  	 	 	 	  	 
	 	 	 	  	 	 	 	  	 

  
 - 5 -

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