Document:

EX-10.4

 Exhibit 10.4 
 PENSION RESTORATION PLAN 
 FOR NISOURCE INC. AND AFFILIATES

 As Amended and Restated Effective May 13, 2011 

 TABLE OF CONTENTS 

 

							
	 	  	 	  	Page	 
		
	 ARTICLE I BACKGROUND AND PURPOSE
	  	 	1	  
			
	 1.1
	  	Background	  	 	1	  
	 1.2
	  	Purpose	  	 	1	  
		
	 ARTICLE II DEFINITIONS
	  	 	2	  
	 2.1
	  	AB Account	  	 	2	  
	 2.2
	  	AB Benefit	  	 	2	  
	 2.3
	  	Affiliate	  	 	2	  
	 2.4
	  	Basic Plans	  	 	2	  
	 2.5
	  	Beneficiary	  	 	2	  
	 2.6
	  	Benefits Committee	  	 	2	  
	 2.7
	  	Code	  	 	2	  
	 2.8
	  	Company	  	 	2	  
	 2.9
	  	DCP	  	 	2	  
	 2.10
	  	Disability	  	 	3	  
	 2.11
	  	Effective Date	  	 	3	  
	 2.12
	  	Employee	  	 	3	  
	 2.13
	  	Employer	  	 	3	  
	 2.14
	  	ERISA	  	 	3	  
	 2.15
	  	Limits	  	 	3	  
	 2.16
	  	ONC Committee	  	 	3	  
	 2.17
	  	Participant	  	 	3	  
	 2.18
	  	Plan	  	 	3	  
	 2.19
	  	Plan Administrator	  	 	3	  
		
	 ARTICLE III PARTICIPATION AND BENEFIT ACCRUAL
	  	 	3	  
			
	 3.1
	  	Eligibility for Participation and Accrual of Benefit	  	 	3	  
	 3.2
	  	Special Provisions for Participants with Basic Plan Benefits Accrued Prior to 2004	  	 	4	  
	 3.3
	  	Service Crediting	  	 	4	  
		
	 ARTICLE IV DETERMINATION OF BENEFIT AMOUNT
	  	 	5	  
			
	 4.1
	  	Amount of Benefit - General Principle	  	 	5	  
	 4.2
	  	Amount of Benefit For Participant Who Accrued a Benefit under a Basic Plan Prior to Participating in the Plan on January 1, 2004	  	 	5	  
	 4.3
	  	Form of Benefit Accrual	  	 	6	  
	 4.4
	  	Conversion of Benefits	  	 	6	  
	 4.5
	  	Opening Balance	  	 	7	  
	 4.6
	  	Pay-Based Credits and Interest Credits	  	 	7	  

  
 i 

							
	 4.7
	  	Protected Benefit	  	 	8	  
		
	 ARTICLE V TIME AND METHOD OF PAYMENT OF BENEFIT
	  	 	9	  
			
	 5.1
	  	Method of Payment	  	 	9	  
	 5.2
	  	Timing of Payment	  	 	9	  
	 5.3
	  	Changes to the Form of Payment	  	 	9	  
	 5.4
	  	Specified Employees	  	 	10	  
	 5.5
	  	Interest and Mortality Assumptions	  	 	10	  
		
	 ARTICLE VI ADMINISTRATION OF PLAN
	  	 	11	  
			
	 6.1
	  	Allocation of Duties to Committees	  	 	11	  
	 6.2
	  	Agents	  	 	11	  
	 6.3
	  	Information Required by Plan Administrator	  	 	11	  
	 6.4
	  	Binding Effect of Decisions	  	 	11	  
		
	 ARTICLE VII CLAIMS PROCEDURE
	  	 	11	  
			
	 7.1
	  	Claims Procedure	  	 	11	  
	 7.2
	  	Review of Claim	  	 	12	  
	 7.3
	  	Notice of Denial of Claim	  	 	12	  
	 7.4
	  	Reconsideration of Denied Claim	  	 	12	  
		
	 ARTICLE VIII PLAN AMENDMENT OR TERMINATION
	  	 	13	  
			
	 8.1
	  	Plan Amendment	  	 	13	  
	 8.2
	  	Plan Termination	  	 	13	  
		
	 ARTICLE IX MISCELLANEOUS PROVISIONS
	  	 	14	  
			
	 9.1
	  	Unsecured General Creditor	  	 	14	  
	 9.2
	  	Income Tax Payout	  	 	14	  
	 9.3
	  	General Conditions	  	 	14	  
	 9.4
	  	No Guaranty of Benefits	  	 	15	  
	 9.5
	  	No Enlargement of Employee Rights	  	 	15	  
	 9.6
	  	Nonalienation of Benefits	  	 	15	  
	 9.7
	  	Applicable Law	  	 	15	  
	 9.8
	  	Incapacity of Recipient	  	 	15	  
	 9.9
	  	Unclaimed Benefit	  	 	15	  
	 9.10
	  	Limitations on Liability	  	 	16	  
		
	 SCHEDULE A
	  	 	18	  

  

  
 ii 

 PENSION RESTORATION PLAN 

FOR NISOURCE INC. AND AFFILIATES 
 As Amended and Restated Effective May 13, 2011 
 ARTICLE I

 BACKGROUND AND PURPOSE 
 1.1 Background. The Columbia Gas System, Inc. adopted The Pension Restoration Plan for The Columbia Gas System, Inc., as amended and restated effective March 1, 1997. The Plan was
amended and restated, effective January 1, 2002, by Columbia Energy Group, successor to Columbia Gas System, Inc., and renamed the Pension Restoration Plan for the Columbia Energy Group. Effective January 1, 2004, NiSource Inc., the parent
company of Columbia Energy Group, assumed sponsorship of the Pension Restoration Plan for Columbia Energy Group, renamed the Plan the Pension Restoration Plan for NiSource Inc. and Affiliates, and broadened the Plan to allow participation by
employees of NiSource Inc. and Affiliated Companies from and after January 1, 2004. The Plan was further amended and restated, effective January 1, 2005, to comply with Internal Revenue Code Section 409A with respect to benefits
earned under the Plan. The Plan was amended and restated again, effective January 1, 2008, to revise certain election procedures. The Plan was further amended and restated, effective January 1, 2010, to clarify the calculation of benefits
under the Plan and to reflect Plan benefits parallel to the benefit structures under applicable Basic Plans, including the AB Benefit. 
 The Plan is amended and restated again, effective May 13, 2011 to transfer all administrative authority with respect to the Plan (including the authority to render decisions on claims and appeals and
make administrative or ministerial amendments) from the ONC Committee to the Benefits Committee. 
 1.2
Purpose. The purpose of the Plan is to provide for the payment of pension restoration benefits to employees of the Employer, whose benefits under the Basic Plans are subject to the Limits, or affected by deferrals into the DCP, so that
the total pension benefits of such employees will be determined on the same basis as is applicable to all other employees of the Employer. The Plan is adopted solely (1) for the purpose of providing benefits to Participants in the Plan and
their Beneficiaries in excess of the Limits imposed on qualified plans by Code Sections 415 and 401(a)(17), and any other Code Sections, by restoring benefits to such Plan Participants and Beneficiaries that are not available under the Basic Plans
as a result of the Limits, and (2) for the purpose of restoring benefits to Plan Participants and Beneficiaries that are no longer available under the Basic Plans as a result of the Participant’s deferrals into the DCP. The provisions of
the Plan as stated herein apply only to Participants who actively participate in the Plan on or after the Effective Date. Any Participant who retired or otherwise terminated employment with the Company and Affiliates prior to the Effective Date
shall have his or her rights determined under the provision of the Plan, as it existed when his or her employment relationship terminated. 

  
 1 

 ARTICLE II 

DEFINITIONS 
 For the purposes of the Plan, the following terms shall have the meanings indicated, unless the context clearly indicates otherwise. Except when otherwise required by the context, any masculine
terminology in this document shall include the feminine, and any singular terminology shall include the plural. The headings of Articles and Sections are included solely for convenience, and if there is any conflict between such headings and the
text of the Plan, the text shall control. 
 2.1 AB Account. The hypothetical account created for a Participant
under the Plan who has an AB Benefit under a Basic Plan. 
 2.2 AB Benefit. A Participant’s AB I Benefit or
AB II Benefit that is accrued for the benefit of the Participant under a Basic Plan. 
 2.3 Affiliate. Any
corporation that is a member of a controlled group of corporations (as defined in Code Section 414(b)) that includes the Company; any trade or business (whether or not incorporated) that is under common control (as defined in Code
Section 414(c)) with the Company; any organization (whether or not incorporated) that is a member of an affiliated service group (as defined in Code Section 414(m)) that includes the Company; any leasing organization, to the extent that
its employees are required to be treated as if they were employed by the Company pursuant to Code Section 414(n) and the regulations thereunder; and any other entity required to be aggregated with the Company pursuant to regulations under Code
Section 414(o). An entity shall be an Affiliate only with respect to the existing period as described in the preceding sentence. 
 2.4 Basic Flans. The tax-qualified defined benefit retirement plan(s) maintained by the Company and Affiliates listed on Schedule A, attached hereto. 

2.5 Beneficiary. The person, persons or entity entitled to receive any plan benefits payable after a Participant’s
death. 
 2.6 Benefits Committee. The NiSource Benefits Committee. 

2.7 Code. The Internal Revenue Code of 1986, as amended. 

2.8 Company. NiSource Inc., a Delaware corporation. 

2.9 DCP. The Columbia Energy Group Deferred Compensation Plan, on or prior to December 31, 2003, and, thereafter, the
NiSource Inc. Executive Deferred Compensation Plan. 

  
 2 

 2.10 Disability. A condition that (a) causes a Participant to be unable
to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months,
(b) causes a Participant, by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than 12 months, to receive income replacement
benefits for a period of not less than three months under an accident and health plan covering Employees of the Company or an Affiliate or (c) causes a Participant to be eligible to receive Social Security disability payments. 

2.11 Effective Date. May 13, 2011, the date on which this amendment and restatement of the Plan is effective. 

2.12 Employee. Any individual who is employed by an Employer on a basis that involves payment of salary, wages or
commissions. 
 2.13 Employer. The Company or any Affiliate who maintains or adopts for its Eligible Employees a
Basic Plan. 
 2.14 ERISA. The Employee Retirement Income Security Act of 1974, as amended. 

2.15 Limits. The limits imposed on the payment, accrual or calculation of tax-qualified retirement plans by Code Sections
415 and 401(a)(17) and any other Code Sections. 
 2.16 ONC Committee. The Officer Nomination and Compensation
Committee of the Board of Directors of the Company. 
 2.17 Participant. Any Employee who is participating in the
Plan in accordance with its provisions. 
 2.18 Plan. The Pension Restoration Plan for NiSource Inc. and
Affiliates (formerly known as the Pension Restoration Plan for the Columbia Energy Group, formerly known as the Pension Restoration Plan for The Columbia Gas System, Inc.), as set forth herein. 

2.19 Plan Administrator. The Benefits Committee or such delegate of the Benefits Committee delegated to carry out the
administrative functions of the Plan. 
 ARTICLE III 

PARTICIPATION AND BENEFIT ACCRUAL 
 3.1 Eligibility for Participation and Accrual of Benefit. Except as provided in Section 3.2 below, each Employee of an Employer shall be eligible to participate in the Plan as of the
date he or she is eligible to participate in a Basic Plan. For purposes of accruing a benefit under the Plan, each employee shall be eligible to accrue a benefit under the Plan for any plan year in which his or her benefits under a Basic Plan are
affected by the Limits or by his or her deferrals under the DCP. 

  
 3 

 The ONC Committee (or its delegate) shall determine the eligibility of each Employee to
participate in the Plan based on information furnished by the Employer. Such determination shall be within the discretion of the Plan Administrator (or its delegate) and shall be conclusive and binding upon all persons as long as such determination
is made pursuant to the Plan and applicable law. 
 3.2 Special Provisions for Participants with Basic Plan Benefits
Accrued Prior to 2004. 
  

	 	(a)	Eligibility. As set forth in Article I, prior to January 1, 2004, only Employees of Columbia Energy Group (or its predecessor) who had benefits under a
Basic Plan affected by the Limits, or by his or her deferrals under the DCP, participated in the Plan. Pursuant to the extension of participation in the Plan as explained in Article I, on or after January 1, 2004, each Employee meeting the
participation requirements set forth in Section 3.1 shall participate in the Plan as of January 1, 2004, and shall be eligible to accrue a benefit under the Plan as of such date or, if later, as of the date that an Employee’s benefits
under a Basic Plan are affected by the Limits or by his or her deferrals under the DCP. 

  

	 	(b)	Benefit Accrual. With respect to any Participant who was first eligible to participate in the Plan on January 1, 2004 in accordance with this Section, but
who had accrued benefits under a Basic Plan prior to such date, such Participant shall have benefits under the Plan calculated in accordance with the Plan’s general provisions, except that the Plan shall only consider the Participant’s
Credited Service, Point Service, Compensation or Accrued Benefit under the Basic Plan earned on or after the date participation in the Plan begins (i.e., January 1, 2004), as further described in Section 4.2, Section 4.4(b),
Section 4.5(b), Section 4.6(b) and Section 4.7(b). 

 3.3 Service Crediting. A
Participant’s service used under the Basic Plan for purposes of determining eligibility for any retirement benefit shall also be used for similar purposes under the Plan. For any Participant described in Section 3.2, the Plan shall only
consider such Participant’s Credited Service (or, if applicable, Point Service) as of the date of participation in the Plan for purposes of calculating the benefit under the Plan; however, the Plan shall continue to consider such
Participant’s Credited Service (or, if applicable, Point Service) under the Basic Plan for purposes of determining early retirement eligibility or the application of the Pay-Based Credit scale for the Participant as described in
Section 4.6. 

  
 4 

 ARTICLE IV 

DETERMINATION OF BENEFIT AMOUNT 
 4.1 Amount of Benefit - General Principle. The benefit payable under the Plan to a Participant (or to his or her Beneficiary under a Basic Plan) shall be equal to the excess (if any) of the
benefit determined under subsection (a) below over the benefit determined under subsection (b) below: 
  

	 	(a)	The benefit that would have been payable under a Basic Plan to a Participant, or to his or her Beneficiary, determined under a Basic Plan without regard to (i) the
Limits or (ii) the Participant’s deferrals into the DCP, if any. 

  

	 	(b)	The benefit actually payable to the Participant, or to his or her Beneficiary, determined under a Basic Plan after applying the Limits and considering deferrals into
the DCP, if any. 

 To the extent that the AB Benefit provisions of the Basic Plan apply to a Participant, such
Participant shall have an AB Account created and shall have his or her benefit under the Plan calculated in accordance with the provisions of this Article IV. Specifically, such Participant shall be subject to the conversion, Opening Balance,
Pay-Based and Interest Credits and Protected Benefit provisions provided under this Article. 
 4.2 Amount of Benefit For
Participant Who Accrued a Benefit under a Basic Plan Prior to Participating in the Plan on January 1, 2004. Notwithstanding the foregoing, the calculation of the benefit payable under Section 4.1 above shall be limited for any
Participant described in Section 3.2. For such Participants, the benefit payable under the Plan shall be determined as follows: 
  

	 	(a)	FAP Participant. For a Participant whose Accrued Benefit under a Basic Plan is a FAP Benefit, the benefit payable under the Plan to the Participant, or to his or
her Beneficiary under the Basic Plan, shall be equal to the excess (if any) of the benefit determined under paragraph (1) below over the benefit determined under paragraph (2) below: 

 

	 	(1)	The benefit that would have been payable under a Basic Plan to a Participant, or to his or her Beneficiary determined under a Basic Plan, considering only the
Participant’s Credited Service and Compensation from and after the date the Participant first becomes eligible to participate in the Plan, determined without regard to (i) the Limits or (ii) the Participant’s deferrals into the
DCP, if any. 

  

	 	(2)	The benefit actually payable to the Participant, or to his or her Beneficiary determined under a Basic Plan, calculated based upon the Participant’s Credited
Service and Compensation from and after the date the Participant first becomes eligible to participate in the Plan, determined after applying the Limits and considering deferrals into the DCP, if any. 

  
 5 

	 	(b)	AB Participant. For a Participant whose Accrued Benefit under a Basic Plan is an AB Benefit, the benefit payable under the Plan to the Participant, or to his or
her Beneficiary under a Basic Plan, shall be equal to the excess (if any) of the benefit determined under paragraph (1) below over the benefit determined under paragraph (2) below: 

 

	 	(1)	The benefit that would have been payable under a Basic Plan to a Participant or his or her Beneficiary, determined as if the Participant’s Opening Balance under
the Basic Plan was $0 as of the date the Participant first becomes eligible to participate in the Plan, and considering only the Participant’s Pay-Based Credits, Interest Credits and Compensation from and after such date, and determined without
regard to (i) the Limits or (ii) the Participant’s deferrals into the DCP, if any. 

  

	 	(2)	The benefit actually payable under a Basic Plan to the Participant, or to his or her Beneficiary, determined as if the Participant’s Opening Balance under the
Basic Plan was $0 as of the date the Participant first becomes eligible to participate in the Plan, and considering only the Participant’s Pay-Based Credits, Interest Credits and Compensation from and after such date, and determined after
applying the Limits and considering deferrals into the DCP, if any. 

 4.3 Form of Benefit Accrual.
The form of benefit accrual for a Participant in the Plan shall be the form of benefit accrual applicable for such Participant under the relevant Basic Plan. 
 4.4 Conversion of Benefits. 
  

	 	(a)	In General. Upon the conversion of any Participant’s Accrued Benefit in a Basic Plan from a FAP Benefit to an AB II Benefit or from an AB I Benefit to an AB
II Benefit, any benefit under the Plan shall, except as provided below, also be converted upon such date according to the conversion procedures set forth in the relevant Basic Plan, including determination of an Opening Balance.

  

	 	(b)	Exception to the General Provision. Notwithstanding the foregoing, with respect to any Participant in the Plan who is described in Section 3.2, such
Participant’s benefit under the Plan shall be converted according to the conversion procedures in the relevant Basic Plan, provided that any consideration of Credited Service and Compensation in the calculation of the Participant’s Opening
Balance shall be limited to Credited Service and Compensation earned from and after the date the Participant first becomes eligible to participate in the Plan. 

  
 6 

 4.5 Opening Balance. For purposes of determining the Opening Balance for
Participants in the Plan, the following provisions shall apply: 
  

	 	(a)	In General. The Opening Balance shall be calculated using the same methodology and factors as provided in the relevant Basic Plan. The Opening Balance under the
Plan shall be determined as the excess of the Opening Balance determined in (1) below over the Opening Balance determined in (2) below: 

  

	 	(1)	The Participant’s Opening Balance under the Basic Plan determined without regard to (i) the Limits or (ii) the Participant’s deferrals into the DCP,
if any. 

  

	 	(2)	The Participant’s Opening Balance under the Basic Plan determined after applying the Limits and considering deferrals into the DCP, if any.

  

	 	(b)	Exception to the General Provision. For the purpose of determining the Opening Balance for any Participant in the Plan who is described in Section 3.2, the
Opening Balance under the Plan shall be determined in accordance with Section 4.5(a) above, but considering a calculation of the Opening Balance under the Basic Plan using only the Participant’s Credited Service (or, if applicable, Point
Service) and Compensation from and after the date the Participant first becomes eligible to participate in the Plan. 

 4.6 Pay-Based Credits and Interest Credits. For purposes of determining Pay-Based Credits and Interest Credits under the Plan, the following provisions shall apply: 

 

	 	(a)	Pay-Based Credits Generally. Pay-Based Credits under the Plan shall be calculated using the same methodology and factors as provided in the relevant Basic Plan.
Pay-Based Credits under the Plan shall be determined as the excess of the Pay-Based Credits determined in (1) below over the Pay-Based Credits determined in (2) below: 

 

	 	(1)	The Participant’s Pay-Based Credits under the Basic Plan determined without regard to (i) the Limits or (ii) the Participant’s deferrals into the
DCP, if any. 

  

	 	(2)	The Participant’s Pay-Based Credits under the Basic Plan determined after applying the Limits and considering deferrals into the DCP, if any.

  

	 	(b)	Exception to the General Pay-Based Credits Provision. For the purpose of determining the Pay-Based Credits for any Participant in the Plan who is described in
Section 3.2, the Pay-Based Credits under the Plan shall be determined in accordance with Section 4.6(a) above, but considering a calculation of Pay-Based Credits under the Basic Plan using only Compensation from and after the date the
Participant first becomes eligible to participate in the Plan. 

  
 7 

	 	(c)	Interest Credits, Interest Credits under the Plan shall be calculated using the same methodology and factors as provided in the relevant Basic Plan.

 4.7 Protected Benefit. Effective for any Participant terminating employment with the Employer on
or after January 1, 2011, the benefit payable under the Plan may never be less than the benefit set forth in this section. For purposes of determining the Protected Benefit under the Plan, the following provisions shall apply: 

 

	 	(a)	Protected Benefit Generally. The Protected Benefit under the Plan shall be calculated using the same methodology and factors as provided in the relevant Basic
Plan. The Protected Benefit under the Plan shall be determined as the excess of the benefit determined in (1) below over the benefit determined in (2) below: 

 

	 	(1)	The Protected Benefit under the Basic Plan for the Participant, or for his or her Beneficiary, determined without regard to (i) the Limits or (ii) the
Participant’s deferrals into the DCP, if any. 

  

	 	(2)	The Protected Benefit under the Basic Plan for the Participant, or for his or her Beneficiary, determined after applying the Limits and considering deferrals into the
DCP, if any. 

 In accordance with the methodology provided in the applicable Basic Plan, a Participant with an AB
Benefit shall be entitled to benefit under the Plan equal to the greater of (1) the AB Account under the Plan or (2) the sum of the AB Account under the Plan (determined without regard to the Opening Balance calculation) plus the
portion of the FAP Benefit that is calculated in accordance with the Plan as of the date of conversion to the AB Benefit as set forth in Section 4.4. 
  

	 	(b)	Exception to the General Protected Benefit Provision. For the purpose of determining the Protected Benefit for any Participant in the Plan who is described in
Section 3.2, the Protected Benefit under the Plan shall be determined in accordance with Section 4.7 (a) above, but considering calculation of the Protected Benefit under the Basic Plan using only Credited Service and Compensation
from and after the date the Participant first becomes eligible to participate in the Plan. 

  
 8 

 ARTICLE V 

TIME AND METHOD OF PAYMENT OF BENEFIT 
 5.1 Method of Payment. 
  

	 	(a)	The benefit earned under the Plan shall be payable to a Participant in a form available under the Basic Plan, as elected by the Participant by notice delivered to the
Plan Administrator on or before December 31, 2005. Notwithstanding the preceding sentence, in the case of an Employee who becomes a Participant on or after January 1, 2005, the aforementioned election with respect to a benefit shall be
made no later than January 31 of the calendar year after the calendar year in which the Participant first becomes eligible to participate in the Plan, and such election shall be effective with respect to Compensation related to services to be
performed subsequent to the election; provided, however, that a Participant shall not be considered first eligible if, on the date he or she becomes a Participant, he or she participates in any other nonqualified plan of the same category that is
subject to Code Section 409A, maintained by the Company or an Affiliate. 

  

	 	(b)	If payment in the form of an annuity is elected, the annuity type shall be elected by the Participant at the time he or she makes the election described in the first or
second sentence of subsection (a) above from among those annuities available at that time under the Basic Plan. If a benefit hereunder is paid in an annuity form other than a straight life annuity, the amount of the benefit under the Plan shall
be reduced by the Basic Plan’s factors in effect at the time of such election for payment in a form other than a straight life annuity. If payment in the form of a lump sum is elected, the lump sum amount payable will be calculated in the same
manner and according to the same interest rates and mortality tables as under the Basic Plan at the time of such election. 

  

	 	(c)	If the Participant fails to elect a form of payment as required under subsections (a) and (b) above, the Participant’s benefit shall be payable in a lump
sum. 

 5.2 Timing of Payment. A benefit payable in accordance with Section 5.1 will commence
within 45 days after: (i) if the Participant qualifies for Early Retirement under a Basic Plan, when the Participant separates from service, or (ii) if the Participant does not qualify for Early Retirement under a Basic Plan, the later of
when the Participant separates from service or attains (or would have attained) age 65, or, if later, within such timeframe permitted under Code Section 409A, and guidance and regulations thereunder. 

5.3 Changes to the Form of Payment. A Participant cannot change the form of payment of a benefit elected under
Section 5.1 or this Section 5.3 unless (i) such election does not take effect until at least 12 months after the date on which the election is made, (ii) in the case of an election related to a payment not due to the
Participant’s Disability or death, the first 

  
 9 

 
payment with respect to which such new election is effective is deferred for a period of not less than five years from the date such payment would otherwise have been made, and (iii) any
election related to a payment based upon a specific time or pursuant to a fixed schedule may not be made less than 12 months prior to the date of the first scheduled payment; provided, however, that an election to change from one type of annuity
payment to a different, actuarially equivalent, type of annuity payment shall not be considered a change to the form of payment for purposes of applying the restrictions in clauses (i), (ii) and (iii). 

Notwithstanding the preceding paragraphs of this Section 5.3, a Participant may change an election with respect to the form of
payment of a benefit, without regard to the restrictions imposed under the preceding paragraph, on or before December 31, 2006; provided that such election (i) applies only to amounts that would not otherwise be payable in calendar year
2006, and (ii) shall not cause an amount to be paid in calendar year 2006 that would not otherwise be payable in such year. 
 5.4 Specified Employees. Notwithstanding any other provision of the Plan, in no event can a payment of a benefit to a Participant who is a Specified Employee of the Company or an Affiliate,
at a time during which the Company’s capital stock or capital stock of an Affiliate is publicly traded on an established securities market, in the calendar year of his or her separation from service, be made before the date that is six months
after the date of the Participant’s separation from service with the Company and all Affiliates, unless such separation is due to his or her death or Disability. 
 A Participant shall be deemed to be a Specified Employee for purposes of this Section 5.4 if he or she is in a job category C2 or above with respect to the Company or Affiliate that employs him or
her; provided if at any time the total number of Employees in job category C2 and above is less than 50, a Specified Employee shall include any person who meets the definition of Key Employee set forth in Code Section 416(i) without reference
to paragraph (5). A Participant shall be deemed to be a Specified Employee with respect to a calendar year if he or she is a Specified Employee on September 30th of the preceding calendar year. If a Specified Employee will receive payments
hereunder in the form of installments or an annuity, the first payment made as of the date six months after the date of the Participant’s separation from service with the Company and all Affiliates shall be a lump sum, paid as soon as
practicable after the end of such six-month period, that includes all payments that would otherwise have been made during such six-month period. From and after the end of such six month period, any such installment or annuity payments shall be made
pursuant to the terms of the applicable installment or annuity form of payment. 
 5.5 Interest and Mortality
Assumptions. Determinations under the Plan shall be based on the interest and mortality assumptions used in the applicable Basic Plan on the date of such determination. 

  
 10 

 ARTICLE VI 

ADMINISTRATION OF PLAN 
 6.1 Allocation of Duties to Committees. The Plan shall be administered by the Benefits Committee, as delegated by the ONC Committee. The Benefits Committee shall have the authority to make,
amend, interpret, and enforce all appropriate rules and regulations for the administration of the Plan and decide or resolve any and all questions, including interpretations of the Plan, as may arise in such administration, except as otherwise
reserved to the ONC Committee herein, or by resolution or charter of the respective committees. 
 In its discretion, the Plan
Administrator may delegate to any division or department of the Company the discretionary authority to make decisions regarding Plan administration, within limits and guidelines from time to time established by the Plan Administrator. The delegated
discretionary authority shall be exercised by such division or department’s senior officer, or his/her delegate. Within the scope of the delegated discretionary authority, such officer or person shall act in the place of the Plan Administrator
and his/her decisions shall be treated as decisions of the Plan Administrator. 
 6.2 Agents. The Plan
Administrator may, from time to time, employ agents and delegate to them such administrative duties as it sees fit, and may from time to time consult with counsel who may be counsel to the Company. 

6.3 Information Required by Plan Administrator. The Company shall furnish the Plan Administrator with such data and
information as the Plan Administrator may deem necessary or desirable in order to administer the Plan. The records of the Company as to an employee’s or Participant’s period or periods of employment, separation from Service and the reason
therefore, reemployment and Compensation will be conclusive on all persons unless determined to the Plan Administrator’s satisfaction to be incorrect. Participants and other persons entitled to benefits under the Plan also shall furnish the
Plan Administrator with such evidence, data or information as the Plan Administrator considers necessary or desirable to administer the Plan. 
 6.4 Binding Effect of Decisions. Subject to applicable law, and the provisions of Article VIII, any interpretation of the provisions of the Plan and any decision on any matter within the
discretion of the Benefits Committee and/or the ONC Committee (or any duly authorized delegate of either such committee) and made in good faith shall be binding on all persons. 
 ARTICLE VII 
 CLAIMS PROCEDURE 

7.1 Claims Procedure. Claims for benefits under the Plan shall be made in writing to the Plan Administrator. The Plan
Administrator shall establish rules and procedures to be followed by Participants and Beneficiaries in filing claims for benefits, and for furnishing and verifying proof necessary to establish the right to benefits in accordance with the Plan,
consistent with the remainder of this Article. 

  
 11 

 7.2 Review of Claim. The Plan Administrator shall review all claims for
benefits. Upon receipt by the Plan Administrator of such a claim, it shall determine all facts that are necessary to establish the right of the claimant to benefits under the provisions of the Plan and the amount thereof as herein provided within 90
days of receipt of such claim. If prior to the expiration of the initial 90 day period, the Plan Administrator determines additional time is needed to come to a determination on the claim, the Plan Administrator shall provide written notice to the
Participant, Beneficiary or other claimant of the need for the extension, not to exceed a total of 180 days from the date the application was received. If the Plan Administrator fails to notify the claimant in writing of the denial of the claim
within 90 days after the Plan Administrator receives it, the claim shall be deemed denied. 
 7.3 Notice of Denial of
Claim. If the Plan Administrator wholly or partially denies a claim for benefits, the Plan Administrator shall, within a reasonable period of time, but no later than 90 days after receiving the claim (unless extended as noted above), notify
the claimant in writing of the denial of the claim. Such notification shall be written in a manner reasonably expected to be understood by such claimant and shall in all respects comply with the requirements of ERISA, including but not limited to
inclusion of the following: 
  

	 	(a)	the specific reason or reasons for denial of the claim; 

  

	 	(b)	a specific reference to the pertinent Plan provisions upon which the denial is based; 

 

	 	(c)	a description of any additional material or information necessary for the claimant to perfect the claim, together with an explanation of why such material or
information is necessary; and 

  

	 	(d)	an explanation of the Plan’s review procedure. 

 7.4 Reconsideration of Denied Claim. Within 60 days of the receipt by the claimant of the written notice of denial of the claim, or within 60 days after the claim is deemed denied as
set forth above, if applicable, the claimant or duly authorized representative may file a written request with the Benefits Committee that it conduct a full and fair review of the denial of the claimant’s claim for benefits. If the claimant or
duly authorized representative fails to request such a reconsideration within such 60 day period, it shall be conclusively determined for all purposes of the Plan that the denial of such claim by the Benefits Committee is correct. In connection with
the claimant’s appeal of the denial of his or her benefit, the claimant may review pertinent documents and may submit issues and comments in writing. 
 The Benefits Committee shall render a decision on the claim appeal promptly, but not later than 60 days after receiving the claimant’s request for review, unless, in the discretion of the Benefits
Committee, special circumstances require an extension of time for processing, in which 

  
 12 

 
case the 60-day period may be extended to 120 days. The Benefits Committee shall notify the claimant in writing of any such extension. The notice of decision upon review shall be in writing and
shall include specific reasons for the decision, written in a manner calculated to be understood by the claimant, as well as specific references to the pertinent Plan provisions upon which the decision is based. If the decision on review is not
furnished within the time period set forth above, the claim shall be deemed denied on review. 
 If such determination is
favorable to the claimant, it shall be binding and conclusive. If such determination is adverse to such claimant, it shall be binding and conclusive unless the claimant or his duly authorized representative notifies the Benefits Committee within 90
days after the mailing or delivery to the claimant by the Benefits Committee of its determination that claimant intends to institute legal proceedings challenging the determination of the Benefits Committee and actually institutes such legal
proceedings within 180 days after such mailing or delivery. 
 ARTICLE VIII 

PLAN AMENDMENT OR TERMINATION 
 8.1 Plan Amendment. While the Company intends to maintain the Plan in conjunction with the Basic Plans, the Company or the ONC Committee reserves the right to amend the Plan at any time and
from time to time with respect to eligibility for the Plan, the level of benefits awarded under the Plan and the time and form of payment for benefits from the Plan. The ONC Committee or the Board shall have the authority to amend the Plan. The ONC
Committee or the Board shall have the exclusive authority to amend the Plan regarding eligibility for the Plan, the amount or level of benefits awarded under the Plan, and the time and form of payments for benefits from the Plan. In addition, the
ONC Committee or the Board shall also have the exclusive authority to make amendments that constitute a material increase in compensation, any change requiring action or consent by a committee of the Board pursuant to the rules of the Securities and
Exchange Commission, the New York Stock Exchange or other applicable law, or such other material changes to the Plan such that approval of the Board is required. Unless otherwise determined by the ONC Committee, the Benefits Committee shall have the
authority to amend the Plan in all respects that are not exclusively reserved to the ONC Committee or the Board. 
 All
amendments to the Plan must be made by written instrument, notice of which is given to all Participants and to Beneficiaries. Notwithstanding the preceding sentence, no amendment shall impair or alter such right to a benefit accrued under the Plan
as of the effective date of such amendment to or with respect to any Employee who has become a Participant in the Plan before the effective date of such amendment or with respect to his or her Beneficiary. 

8.2 Plan Termination. The ONC Committee or the Company may terminate the Plan at any time provided that termination of the
Plan shall not impair or alter such right to a benefit accrued under the Plan as of the effective date of such termination to or with respect to any Employee who has become a Participant in the Plan before the effective date of such termination or
with respect to his or her Beneficiary. 

  
 13 

 Upon termination of the Plan, distribution of Plan benefits shall be made to Participants,
surviving spouses and beneficiaries in the manner and at the time described in Article VI of the Plan. No additional benefits shall be earned after termination of the Plan other than the crediting of Interest until the date of distribution of a
Participant’s Supplemental Savings Account. 
 ARTICLE IX 

MISCELLANEOUS PROVISIONS 
 9.1 Unsecured General Creditor. Participants and Beneficiaries shall be unsecured general creditors, with no secured or preferential right to any assets of the Company, any other
Employer, or any other party for payment of benefits under the Plan. Obligations of the Company and each other Employer under the Plan shall be an unfunded and unsecured promise to pay money in the future. 

9.2 Income Tax Payout. In the event that the Internal Revenue Service prevails in its claim that that any amount of a
Participant’s benefit payable pursuant to the Plan and held in the general assets of the Company or any other Employer constitutes taxable income under Code Section 409A, and guidance and regulations thereunder, to a Participant or his or
her Beneficiary for any taxable year prior to the taxable year in which such amount is distributed to him or her, or in the event that legal counsel satisfactory to the Company and the applicable Participant or his or her Beneficiary renders an
opinion that the Internal Revenue Service would likely prevail in such a claim, the amount of such benefit held in the general assets of the Company or any other Employer, to the extent constituting such taxable income, shall be immediately
distributed to the Participant or his or her Beneficiary. For purposes of this Section, the Internal Revenue Service shall be deemed to have prevailed in a claim if such claim is upheld by a court of final jurisdiction, or if the Participant or
Beneficiary, based upon an opinion of legal counsel satisfactory to the Company and the Participant or his or her Beneficiary, fails to appeal a decision of the Internal Revenue Service, or a court of applicable jurisdiction, with respect to such
claim, to an appropriate Internal Revenue Service appeals authority or to a court of higher jurisdiction within the appropriate time period. 
 9.3 General Conditions. Except as otherwise expressly provided herein, all terms and conditions of a Basic Plan applicable to a Basic Plan benefit shall also be applicable to a benefit
payable hereunder. Any Basic Plan benefit shall be paid solely in accordance with the terms and conditions of the applicable Basic Plan and nothing in the Plan shall operate or be construed in any way to modify, amend or affect the terms and
provisions of the Basic Plan. Defined terms used in the Plan that are not defined in this Plan but are defined in the Basic Plans shall have the meanings assigned to them in the Basic Plans. 

  
 14 

 9.4 No Guaranty of Benefits. Nothing contained in the Plan shall
constitute a guaranty by the Company or any other Employer or any other entity or person that the assets of the Company or any other Employer will be sufficient to pay any benefit hereunder. 

9.5 No Enlargement of Employee Rights. No Participant or Beneficiary shall have any right to a benefit under the Plan
except in accordance with the terms of the Plan. Establishment of the Plan shall not be construed to give any Participant or Beneficiary the right to be retained in the service of the Company or any Affiliate. 

9.6 Nonalienation of Benefits. No interest of any person or entity in, or right to receive a benefit under, the Plan shall
be subject in any manner to sale, transfer, assignment, pledge, attachment, garnishment, or other alienation or encumbrance of any kind; nor may such interest or right to receive a benefit be taken, either voluntarily or involuntarily, for the
satisfaction of the debts of, or other obligations or claims against, such person or entity, including claims for alimony, support, separate maintenance, and claims in bankruptcy proceedings. 
 Notwithstanding the preceding paragraph, the benefit of any Participant shall be subject to and payable in the amount determined in accordance with any qualified domestic relations order, as that term is
defined in ERISA Section 206(d)(3). The Plan Administrator shall provide for payment of such benefit to an alternate payee (as defined in ERISA Section 206(d)(3)) as soon as administratively possible following receipt of such order. Any
federal, state or local income tax associated with such payment shall be the responsibility of the alternate payee. The benefit that is subject to any qualified domestic relations order shall be reduced by the amount of any payment made pursuant to
such order. 
 9.7 Applicable Law. The Plan shall be construed and administered under the laws of the State
of Indiana, except to the extent preempted by applicable federal law. 
 9.8 Incapacity of Recipient. If any
person entitled to a benefit payment under the Plan is deemed by the Plan Administrator to be incapable of personally receiving and giving a valid receipt for such payment, then, unless and until claim therefore shall have been made by a duly
appointed guardian or other legal representative of such person, the Plan Administrator may provide for such payment or any part thereof to be made to any other person or institution then contributing toward or providing for the care and maintenance
of such person. Any such payment shall be a payment for the account of such person and a complete discharge of any liability of the Company, any other Employer, the Plan Administrator and the Plan therefore. 

9.9 Unclaimed Benefit. Each Participant shall keep the Plan Administrator informed of his or her current address and the
current address of his or her Beneficiaries. The Plan Administrator shall not be obligated to search for the whereabouts of any person. If the location of a Participant is not made known to the Plan Administrator within three years after the date on
which payment of the Participant’s benefit may first be made, payment may be made as though the Participant had died at the end of the three-year period. If, within one additional year after such three-year period has elapsed, or, within three
years after the actual death of a Participant, 

  
 15 

 
the Plan Administrator is unable to locate any Beneficiary of the Participant, then the Plan Administrator shall have no further obligation to pay any benefit hereunder to such Participant,
Beneficiary, or any other person and such benefit shall be irrevocably forfeited. 
 9.10 Limitations on
Liability. Notwithstanding any of the preceding provisions of the Plan, none of the Company, any other Employer, any member of the Benefits Committee or the ONC Committee or any delegate of such committees, or any individual acting as an
employee, or agent at the direction of the Company or any other Employer, or any member of the Benefits Committee or the ONC Committee or any delegate of such committees, shall be liable to any Participant, former Participant, Beneficiary, or any
other person for any claim, loss, liability or expense incurred in connection with the Plan. 
 [Signature block follows on next page]

  
 16 

 IN WITNESS WHEREOF, NiSource Inc. has caused this amended and restated Pension Restoration
Plan for NiSource Inc. and Affiliates to be executed in its name, by its duly authorized officer, effective as of May 13, 2011. 
  

			
	NISOURCE INC.
		
	By:	 	/s/ Joel Hoelzer
	Its:	 	V.P. Human Resources
	
	Date: August 11, 2011

  
 17 

 SCHEDULE A 
 NiSource Salaried Pension Plan 
 NiSource Subsidiary Pension Plan 

Columbia Energy Group Pension Plan 
 Bay State
Gas Company Pension Plan 

  
 18EX-10.5

 Exhibit 10.5 
 

 
 801 East 86th Avenue 
 Merrillville, IN 46410 
 August 29, 2011 

Mr. Christopher A. Helms 
 11705
Durrette Drive 
 Houston, Texas 77024 
  

	 	Re:	Resignation and Separation Agreement 

 Dear
Chris: 
 This Letter Agreement confirms our agreement concerning your employment status. If you sign this Letter Agreement, it will constitute
the mutual agreement between you and the Company (the “Company,” as used herein, means NiSource Inc. or any of its affiliates or subsidiaries, including NiSource Gas Transmission and Storage Company) regarding your employment. As we
discussed, you have decided to resign from your position of Executive Vice President and Group CEO of the NiSource Gas Transmission & Storage business unit and all positions that you hold as an officer, manager or board member at the
Company or at any entity in which the Company holds an interest or investment, effective August 31, 2011 (the “Effective Date”). However, you will continue your employment with the Company and provide the Company the benefit of your
experience and expertise through October 31, 2011. 
  

	1.	Employment Status 

 You
will continue as a full-time active employee of the Company until the date of the earliest of any of the following to occur (“Separation Date”): (a) the Company terminates your employment for cause; (b) you end your employment
with us; or (c) October 31, 2011 (or any other date that is mutually agreed upon by you and the Company in writing). For purposes of this Letter Agreement, “cause” shall mean: 1) your conviction of any criminal violation
involving dishonesty, fraud, or breach of trust; 2) the commission of any willful act constituting fraud or breach of fiduciary duty to the Company and its shareholders which has an adverse impact on the Company; 3) any act or omission by you that
causes a regulatory body with jurisdiction over the Company to demand, request or recommend that you be removed or suspended from your employment with the Company; 4) your willful and material violation of the Company’s policies; 5) your
substantial nonperformance of your material duties and responsibilities; or 6) a breach of Paragraph 9 of this Letter Agreement. 

As an active employee, you will be required to perform the services as necessary to continue as a full-time active employee of the Company
through the Separation Date, and you will continue to be eligible for participation in the Company’s benefits plans in accordance with 

  
 -1-

 
the terms of those plans and applicable law.1 Your portion of any premiums for the respective plans will continue to be payroll deducted and your cost, if any, to participate in such plans shall be at the customary costs charged to senior executives
of the Company. 
  

	2.	Transition and Ongoing Responsibilities 

 You have informed us that you will not be in the office after Wednesday, August 31, 2011. You agree to transition all the matters in which you are engaged as an officer and director of the Company on
or before August 31, 2011, to other Company personnel that we designate. 
 As part of your transition services before and
after the Separation Date, you agree, at the request of the Company’s counsel, to prepare for, and provide testimony at trial or deposition in any litigation in which the Company is involved. Your employment, retention and compensation under
this Letter Agreement will not be dependent on the outcome of any litigation or the content of any testimony that you provide therein (other than the truthfulness thereof). 

 

	3.	Consideration 

 The
Company shall pay you a total amount of FOUR MILLION EIGHT HUNDRED THIRTY EIGHT THOUSAND FOUR HUNDRED EIGHT DOLLARS ($4,838,408) with the exception of the COBRA payments identified in Paragraph 3(c), which shall be calculated prior to and paid on
October 31, 2011. 
 (a) The Company agrees to pay you a separation allowance payment in the total amount of THREE MILLION
FIVE HUNDRED SEVENTY EIGHT THOUSAND FOUR HUNDRED EIGHT DOLLARS ($3,578,408), less state, federal, FICA and other applicable withholding and authorized deductions (the “Separation Allowance Payment”). Five percent (5%) of the total
amount of the Separation Allowance Payment shall be consideration for the Release of Age Discrimination Claims by you, set forth in Paragraph 12 of this Agreement, and ninety five percent (95%) of the total amount of the Separation Allowance
Payment shall be for consideration for the General Release and Discharge by you as set forth in Paragraph 11 of this Agreement, and for your other promises in this Agreement. The Separation Allowance payment shall be made on the date, which is the
later of the expiration of the seven (7) day, right to revoke this agreement, as specified in Paragraph 12, or October 31, 2011. These payments are in lieu of any payments you might have otherwise received under the NiSource Inc. 2010
Omnibus Incentive Plan. 
  
  

	1 	 You will be eligible to continue to participate in the Company’s plans concerning medical benefits, dental benefits, vision benefits, EAP, life
insurance, the Company’s pension plan, 401(k) plans, Pension Restoration Plan, Savings Restoration Plan, Sick Pay Plan, Vacation Plan, Long Term Disability Plan, and NiSource Inc. Executive Deferred Compensation Plan. For purposes of each of
these plans, your termination date will be your Separation Date, and all payments under these plans will be based upon the terms and conditions of these plans. 

  
 -2-

	 	
(b) In consideration for your agreement not to compete as set forth in Paragraph 10 of this Agreement, the Company shall pay to you a payment in the total amount of ONE MILLION TWO HUNDRED SIXTY
THOUSAND AND NO/100 DOLLARS ($1,260,000.00), (the “Non-Compete Payment”). The Non-Compete Payment shall be paid to you in two (2) installments. The first installment of ONE HUNDRED EIGHTY THOUSAND AND NO/100 DOLLARS ($180,000.00)
shall be made on the date, which is the later of the expiration of the seven (7) day, right to revoke this agreement, as specified in Paragraph 12, or October 31, 2011. The second installment of ONE MILLION EIGHTY THOUSAND AND NO/100
DOLLARS ($1,080,000.00) shall be made on January 2, 2012. Unless agreed to in writing by the parties to this agreement prior to October 31, 2011, all applicable state, federal, FICA and other mandated tax withholdings will be withheld from
the Non-Compete Payments. 

 Notwithstanding anything herein to the contrary, in the event of a breach by you of
any of the provisions contained in Paragraph 10 of this Agreement, and such breach is not otherwise cured within five (5) business days following your receipt of written notice of the breach from the Company, you shall immediately: (i) be
obligated to repay any portion of the Non-Compete Payment received by you; and (ii) shall forfeit the right to receive any and all remaining installments of the Non-Compete Payment. 

(c) In addition, on October 31, 2011, you will receive a lump sum payment equivalent to 130% of 104 weeks of COBRA (as described in
Paragraph 5) continuation coverage premiums in lieu of any continued medical, dental, vision and other welfare benefits offered by the Company. 
  

	4.	Vacation 

 Upon the
termination of your employment you will receive a lump sum payment representing compensation for your accrued and unused vacation as of your Separation Date. This payment will be subject to legally mandated deductions for Social Security and
federal, state and local taxes, as well as deductions for any contributory benefit plans in which you elect to continue participation. 
  

	5.	COBRA Coverage 

 You will
continue to participate in the group health, dental, vision and other welfare plans as a full-time active employee of the Company through your Separation Date, at which time your coverage as an active employee will cease. At that time, the
termination of your employment will be a qualifying event under the Consolidated Omnibus Budget Reconciliation Act (“COBRA”). The Company will notify you and/or your dependents of the insurance coverage, which you may continue on a
self-pay basis as, provided by COBRA upon termination of your employment. 

  
 -3-

	6.	Long Term Incentive Plan 

In accordance with the 1994 Long Term Incentive Plan and the NiSource Inc. 2010 Omnibus Incentive Plan, and your agreements pursuant
thereto, any equity grants awarded (including, but not limited to, any Restricted, Contingent or Performance Shares) which have not vested as of the Separation Date will be forfeited. 

 

	7.	Indemnification 

 During
your employment with the Company and following the Separation Date, (a) you will remain entitled to indemnification by the Company pursuant to its by-laws in effect as of the Effective Date, notwithstanding any change made thereafter, except as
such change may be required by law and (b) you will also be entitled to coverage under the directors and officers liability insurance policies maintained by the Company (as in effect from time to time) to the same extent as other former
officers of the Company. 
  

	8.	Return of Property – Sale of Cellular Telephone and Transfer of Telephone Number 

You agree to return to the Company any and all of its property, including but not limited to, keys, employee identification or security
access cards, telephones, computing equipment, and credit cards on or before the Separation Date. The Company will permit you to buy from it, at its cost, the currently assigned IPhone cellular telephone with the number (713) 818-9291 for your
personal use. The Company will assist you in transferring the hardware and service (including the transfer of the cellular telephone number to you) to Verizon or your carrier of choice. The capability to use proprietary software or applications
which would provide access to Company owned or controlled IT technology will be removed from the device prior to transfer to you. 
  

	9.	Confidentiality 

 You
acknowledge that preservation of a continuing business relationship between the Company and its respective customers, representatives, and employees is of critical importance to the continued business success of the Company and that it is the active
policy of the Company to guard as confidential certain information not available to the public and relating to the business affairs of the Company. In view of the foregoing, you agree that you shall not disclose to any person or entity any such
confidential information that was obtained by you in the course of your employment by the Company without the prior written consent of the Company. It will not be considered a violation of this Paragraph 9 if you are required to disclose
confidential information pursuant to applicable law, a court order, a governmental or administrative directive or a lawful subpoena, provided you give the Company prompt notice that you have been required to disclose confidential information prior
to the disclosure thereof. 
 Moreover, you agree that upon termination of your employment, you will promptly deliver to the
Company all documentation and other materials relating to the Company’s business which are in your possession or under your control, including customer and potential 

  
 -4-

 
customer lists, product lists, and marketing material, whether in written or electronic data form, and you will delete, destroy or discard all copies of such confidential information remaining in
your possession; provided, however, that you will be able to keep a hard and electronic copy of your contact list. 

Notwithstanding the foregoing, Confidential Information does not include the Employee’s general knowledge of, or experience in, the
industry, matters known to you prior to your employment with the Company, or knowledge or information known or available to the public in general. 
 You further acknowledge and agree that the Company’s remedy in the form of monetary damages for any breach by you of any of the provisions of this section may be inadequate and that, in addition to
any monetary damages for such breach, the Company shall be entitled to institute and maintain any appropriate proceeding or proceedings, including an action for specific performance and/or injunction. 

 

	10.	Agreement Not to Compete 

YOU ACKNOWLEDGE THAT THE COMPANY HAS A REASONABLE AND LEGITIMATE BUSINESS INTEREST IN PROTECTING ITS TRADE SECRETS AND CONFIDENTIAL
INFORMATION FROM USE BY OR DISCLOSURE TO OTHER INDIVIDUALS, COMPANIES OR ENTITIES. 
  

	 	(a)	In consideration for the Non-Compete Payment to you set forth in Paragraph 3(b) of this Agreement, and in order to protect the Company’s trade secrets and
confidential information from intentional or inadvertent disclosure to or use by competitors, you agree that for the period commencing on November 1, 2011, and continuing through December 31, 2012, you will not: 

 

	 	(1)	Accept a position in a capacity similar to or relating to the functions you performed for the Company, with any of the following entities: Dominion; El Paso; Spectra;
Williams; National Fuel; and/or Equitable or any of their affiliates (individually each a “Restricted Entity”, collectively “Restricted Entities”) (except as a passive investor in publicly held companies or limited partnerships)
in the continental United States. 

  

	 	(b)	In consideration for the payment made to you as set forth in Paragraph 3(b) of this Agreement, you also agree that for the period commencing on November 1, 2011,
and continuing through December 31, 2012, you will not solicit employees of the Company. 

  

	11.	Release of Claims 

 In
consideration of the payment and benefits described above, you, on behalf of yourself and your heirs, executors, and administrators, fully and finally settle, release, and waive any and all rights or claims you may have, known or unknown, under your
employment agreement dated March 15, 2005, and any and all claims, known or unknown, arising from any and all 

  
 -5-

 
local, state, and federal civil, common, contractual and statutory law (including, but not limited to, the Age Discrimination in Employment Act of 1967, Title VII of the Civil Rights Act
of 1964, the Americans with Disabilities Act of 1990, the Family and Medical Leave Act of 1993 (“FMLA”), and the Employee Retirement Income Security Act of 1974, as those Acts are amended), and equitable claims against the Company and all
of its stockholders, predecessors, successors, agents, directors, officers, employees, representatives, and attorneys, occurring or arising prior to you signing this Letter Agreement. 

You acknowledge that you have received all benefits under the FMLA, if any, to which you believe you may be entitled. You represent that
you are not aware of any facts in which a claim under the FMLA could be brought. 
 You acknowledge and agree that this release
is being given only in exchange for consideration to which you are not otherwise entitled. The Company agrees that nothing in this Letter Agreement waives or releases any claims you may have involving the enforcement of the terms and conditions of
this Letter Agreement or any of the Company’s employee benefit plans. 
  

	12.	Special Release Notification Under the Age Discrimination and Employment Act 

You understand and agree that this Agreement includes a release of all claims under the Age Discrimination in Employment Act
(“ADEA”) and, therefore, pursuant to the requirements of the ADEA, you acknowledge that you have been advised: (a) this release includes, but is not limited to, all claims under the ADEA arising up to and including the date of
execution of this release; (b) to consult with an attorney and/or other advisor of your choosing concerning your rights and obligations under this release; (c) to consider fully this release before executing it; (d) that you have been
offered ample time and opportunity, at least twenty-one (21) days, to do so; and (e) that this release shall become effective and enforceable seven (7) days following execution of this Agreement by you, during which seven (7) day
period you may revoke your acceptance of this Agreement by delivering written notice to Robert D. Campbell, NiSource Inc., 801 E. 86th Avenue, Merrillville, IN 46410. 
  

	13.	Covenant Not To Assert Claims 

 You warrant that you have not initiated or filed any claims of any type against the Company with any court or governmental or administrative agency and covenant that you will not do so in the future with
regard to any claim released herein nor will you voluntarily assist others in doing so. This is not intended to waive any unwaivable right you may have to participate in proceedings against the Company, but you agree to waive any relief, which may
be obtained from such participation. 

  
 -6-

	14.	Outstanding Charges 

 You
hereby agree to pay the Company any outstanding amounts owed to the Company, and further agree that by signing this agreement you hereby authorize the Company to deduct any outstanding charges from your final payment. 

The Company agrees to reimburse you for any business expenses that you incurred in the course of your employment pursuant to the
Company’s policies. The Company specifically agrees to reimburse you The Coronado Club initiation fees in the amount of SIX THOUSAND FOUR HUNDRED NINETY FIVE AND NO/100 DOLLARS ($6,495.00) and the monthly dues for the months of September and
October in the amount of FIVE HUNDRED NINETY FIVE AND 38/100 DOLLARS ($595.38) no later than September 9, 2011. 
  

	15.	Governing Law 

 This
Letter Agreement shall be construed in accordance with the laws of Indiana, without regard to conflict of laws principles of any state. 
  

	16.	Severability 

 In the
event that one or more of the provisions contained in this Letter Agreement shall for any reason be held to be invalid, illegal or unenforceable in any respect, the Company shall have the option to enforce the remainder of this Letter Agreement or
to cancel it. 
  

	17.	Non-Disclosure and Non-Disparagement 

 For the period commencing on November 1, 2011, and continuing through October 31, 2013: 
 (a) You expressly agree that you will keep the terms of this Letter Agreement strictly confidential and that you will not disclose the terms of this Letter Agreement to anyone other than your spouse,
members of your immediate family, your legal counsel or your tax and financial advisors, provided that they each agree to preserve the confidentiality of the terms of this Letter Agreement, except to the extent that disclosure is required
(a) by law, subpoena, order of court or other governmental or administrative directive, compliance with which is mandatory, or (2) to enforce your rights under this Letter Agreement or any of the Company’s employee benefit plans.

 Notwithstanding anything set forth in this Agreement to the contrary, both parties may disclose to any and all persons,
without limitation of any kind the “tax treatment” and “tax structure” (as those terms are defined in Treas. Reg. 1.601 l-4(c)(8) and (9) respectively) of this Agreement and the transactions contemplated hereby and all
materials of any kind (including opinions or other tax analyses) that are provided to the Parties relating to such “tax treatment” and “tax structure.” 

  
 -7-

 Nothing herein should be construed as a limitation on your ability to consult with your
counsel or with an administrative agency. 
 (b) You agree not to disparage the Company or portray it in a negative light.

 (c) The Company agrees that its senior executives (defined herein as those officers required to make Securities and Exchange
Commission Act Section 16 filings) will not disparage you or portray you in a negative light. The Company hereby acknowledges that a breach of the provisions of this Paragraph 17(c) shall constitute and be treated as a material breach of this
Agreement and will be detrimental to and cause harm to you. In addition to monetary damages in the event of such breach, you will be relieved immediately from the various obligations contained herein, including the agreement not to compete contained
in Paragraph 10. 
  

	18.	Compliance with 409 A of the Internal Revenue Code 

 You and the Company will administer this agreement so as to comply with the requirements of Section 409A of the Internal Revenue Code. 

 

	19.	Complete Agreement 

 You
acknowledge that in accepting this Letter Agreement, you have not relied upon any representation or promise other than those expressly stated in this Letter Agreement. 
 This Letter Agreement and the documents specifically referred to herein constitute the complete understanding between you and the Company relating to your separation and supersedes any and all prior
agreements, promises, representations or inducements, no matter their form, concerning your employment with the Company. No promises or agreements made subsequent to the execution of this Agreement by these parties shall be binding unless reduced to
writing and signed by authorized representatives of these parties. This Letter Agreement may not be amended or modified except by a writing signed by the Company and you. 

 

	20.	Important Information 

 You acknowledge that the Company has advised you take up to 21 days to consider the terms and conditions outlined above, and that the Company has also advised you to consult an attorney before signing
this Letter Agreement. You also have the right to revoke your execution of this Letter Agreement within 7 days after execution in accordance with the Notice To Employee attached hereto. 

If you accept the terms and conditions outlined above, including Paragraph 11, please sign both copies of this Letter Agreement in the
space provided below to signify your acceptance, and return both copies to Robert D. Campbell by September 19, 2011, on which date this offer will expire if not accepted. If you accept the terms and conditions outlined above, your acceptance is
in lieu of any and all other severance programs offered by the Company and you knowingly and voluntarily waive participation in all 

  
 -8-

 
other severance programs offered by the Company. You acknowledge that the Company’s performance under this Letter Agreement and under the employee benefit plans referenced herein constitutes
full and complete payment of all amounts due to you from the Company and constitutes additional consideration to which you are not otherwise entitled. 

 

	
	Very truly yours,
	
	/s/ Robert D. Campbell
	Robert D. Campbell
	Sr. Vice President
Human Resources

  

					
	Accepted:	 		 	
			
	/s/ Christopher A. Helms	 		 	Date: August 30, 2011
	Christopher A. Helms	 		 	

  
 -9-

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