Document:

Exhibit

	
			
	 
	Union Carbide Corporation and Subsidiaries
	EXHIBIT 10.5.15

	 
	 
	 

FIFTEENTH AMENDMENT TO THE 
AMENDED AND RESTATED REVOLVING CREDIT AGREEMENT

This Fifteenth Amendment to the Amended and Restated Revolving Credit Agreement (this “Amendment”) is made effective as of December 30, 2017, and is entered into among Union Carbide Corporation, as Borrower (“Borrower”), The Dow Chemical Company, as Lender (“Lender”) and Union Carbide Chemicals & Plastics Technology LLC as the Subsidiary Guarantor (the “Subsidiary Guarantor”) (together, the “Parties”).

BACKGROUND

The Parties have entered into the Amended and Restated Revolving Credit Agreement dated as of May 28, 2004, as amended by the First Amendment to the Amended and Restated Revolving Credit Agreement dated October 29, 2004, the Second Amendment to the Amended and Restated Revolving Credit Agreement dated December 30, 2004, the Third Amendment to the Amended and Restated Revolving Credit Agreement dated September 30, 2005, the Fourth Amendment to the Amended and Restated Revolving Credit Agreement dated September 30, 2006, the Fifth Amendment to the Amended and Restated Revolving Credit Agreement dated September 30, 2007, the Sixth Amendment to the Amended and Restated Revolving Credit Agreement dated September 30, 2008, the Seventh Amendment to the Amended and Restated Revolving Credit Agreement dated September 30, 2009, and the Eighth Amendment to the Amended and Restated Revolving Credit Agreement dated September 30, 2010, the Ninth Amendment to the Amended and Restated Revolving Credit Agreement dated September 30, 2011, the Tenth Amendment to the Amended and Restated Revolving Credit Agreement dated December 6, 2012, the Eleventh Amendment to the Amended and Restated Revolving Credit Agreement dated December 16, 2013, the Twelfth Amendment to the Amended and Restated Revolving Credit Agreement dated December 17, 2014, and the Thirteenth Amendment to the Amended and Restated Revolving Credit Agreement dated December 18, 2015, and the Fourteenth Amendment to the Amended and Restated Revolving Credit Agreement dated December 12, 2016 (the “Credit Agreement”).  Union Carbide Subsidiary C is no longer a Subsidiary Guarantor under this Credit Agreement as it is no longer a wholly owned subsidiary of Borrower.

The Parties desire to amend the Credit Agreement according to the terms in this Amendment. Any capitalized terms used in this Amendment, but not otherwise defined in this Amendment, are as defined in the Credit Agreement.

THE AGREEMENT

		
	1.
	Amendment to Section 1.1. The Parties agree to amend Section 1.1 of the Credit Agreement by Replacing the definition of “Scheduled Termination Date” with the following definition:

“Scheduled Termination Date” means December 30, 2018.

		
	2.
	No Other Amendment or Waiver. Except as expressly amended by this Amendment, the Credit Agreement and all other Loan Documents remain in full force and effect in accordance with their terms, and the Parties ratify and confirm the Credit Agreement and all other Loan Documents in all respects.

60

	
			
	 
	Union Carbide Corporation and Subsidiaries
	EXHIBIT 10.5.15

	 
	 
	 

		
	3.
	Execution in Counterparts. This amendment may be executed in any number of counterparts and and by different parties in separate counterparts, each of which when so executed will be deemed to be an original and all of which taken together will constitute one and the same agreement. Signature pages may be detached from multiple separate counterparts and attached to a single counterpart so that all signature pages are attached to the same document. 

		
	4.
	Governing Law. This Amendment and the rights and obligation of the Parties to this Amendment will be governed by, and construed and interpreted in accordance with, the law of the State of New York.

		
	5. 
	Subsidiary Guarantor.  The Guarantor to this Agreement will only be bound by its guarantee if it remains a wholly owned subsidiary of the Borrower.

The Parties agree that this Amendment is effective as of December 30, 2017, and they have caused their authorized representatives to execute this Amendment below.

	
			
	LENDER:
	 
	SUBSIDIARY GUARANTOR:

	 
	 
	 

	THE DOW CHEMICAL COMPANY
	 
	UNION CARBIDE CHEMICALS &

	 
	 
	PLASTICS TECHNOLOGY LLC

	 
	 
	 

	 
	 
	 

	By:  /s/ GARY MCGUIRE
	 
	By: /s/ MARK A WHITEMAN

	Name:  Gary McGuire
	 
	Name:  Mark A. Whiteman

	Title:    Vice President and Treasurer
	 
	Title:    President

	 
	 
	 

	 
	 
	 

	BORROWER:
	 
	 

	 
	 
	 

	UNION CARBIDE CORPORATION
	 
	 

	 
	 
	 

	 
	 
	 

	By: /s/ IGNACIO MOLINA
	 
	 

	Name:  Ignacio Molina
	 
	 

	Title:    Chief Financial Officer, Vice President, and Treasurer
	 
	 

Signature Page
Fifteenth Amendment to the Amended and Restated Revolving Credit Agreement

61Exhibit

EXHIBIT 10.5

AK STEEL CORPORATION

SUPPLEMENTAL THRIFT PLAN

_________________________________

(as amended and restated as of January 1, 2018)

AK STEEL CORPORATION
SUPPLEMENTAL THRIFT PLAN

(as amended and restated as of January 1, 2018)

ARTICLE I - INTRODUCTION AND PURPOSE

AK Steel Corporation (“Company”) hereby amends and restates the AK Steel Corporation Supplemental Thrift Plan (“Plan”) effective as of January 1, 2018.  The purpose of the Plan is to aid AK Steel Corporation and its subsidiaries and affiliates in attracting and retaining key management personnel by providing a vehicle for such employees to accumulate additional retirement savings to supplement the retirement benefits available to them under the qualified retirement plans sponsored by the Company.  

The Plan was adopted effective as of May 1, 2001 to insure that eligible employees’ retirement savings included company matching contributions that could not be credited to their accounts under the AK Steel Corporation Thrift Plan due to the compensation and benefit limitations under sections 401(a)(17) and 415 of the Internal Revenue Code (“Code”).  The Plan was subsequently amended and restated effective as of October 18, 2007 to bring it into compliance with the requirements of Section 409A of the Code and applicable Treasury Regulations thereunder (referred to collectively as “Section 409A”). The terms of the Plan shall be interpreted in such manner as to be in compliance with the requirements of Section 409A, including the grandfathering provisions thereof.

The purpose of this amendment and restatement of the Plan is to provide individuals who become officers of the Company on or after January 1, 2018 with opportunity to receive enhanced retirement income through allocation of certain supplemental Company contributions to their accounts under the Plan.

This Plan is in part an excess benefit plan and in part an unfunded deferred compensation arrangement maintained by the Company for the purpose of providing deferred compensation primarily for a select group of management or highly compensated employees within the meaning of sections 201(2), 301(a)(3) and 401(a)(1) of the Employee Retirement Income Security Act of 1974, as amended. 

ARTICLE II - DEFINITIONS

2.1    “Administrator” means the Management Development and Compensation Committee of the Board of Directors, or such other committee or person designated by the Board of Directors.

2.2    “Annual Earnings” for an Eligible Employee with respect to any Plan Year means the Eligible Employee’s base salary for such Plan Year, plus any incentive award received by the Eligible Employee under the AK Steel Corporation Omnibus Management Incentive Plan (or any substitute or successor of such plan) (“OMIP”) with respect to such Plan Year.  Annual Earnings shall include any amounts of base salary and/or OMIP awards that the Eligible Employee elects to defer with respect to such Plan Year under the Thrift Plan, the AK Steel Corporation Executive Deferred Compensation Plan, or under any plan established under Section 125 of the Code.  

2.3    “Beneficiary” means the person, entity or entities designated by the Participant to receive the balance of the Participant’s Supplemental Thrift Account in the event of the Participant’s death.  In the absence of an express designation under this Plan, a Participant’s Beneficiary shall be his estate.

2.4    “Board of Directors” means the Board of Directors of the Company.

2.5    “Change in Control” has the same meaning under this Plan as under the Trust Agreement for the AK Steel Corporation Non-Qualified Supplemental Retirement Plans.

2.6    “Code” means the Internal Revenue Code of 1986, as amended.

2.7    “Code Section 401(a)(17) Limitation” means, with respect to a Plan Year, the applicable compensation 

limitation set forth in section 401(a)(17) of the Code (as adjusted as provided therein), or any corresponding successor provision.

2.8    “Code Section 415 Limitation” means, with respect to a Plan Year, the applicable limitation on annual additions to the Thrift Plan as set forth in section 415 of the Code (as adjusted as provided therein), or any corresponding successor provision.

2.9    “Company” means AK Steel Corporation and any successor to all or substantially all of the assets of the business of AK Steel Corporation. 

2.10    “Company Matching Contributions” means any Company contribution made in accordance with Section 6.1 of the Plan.

2.11    “Company Supplemental Contributions” means any Company contribution made in accordance with Section 6.2 of the Plan.

2.12    “Eligible Employee” means any member of management of the Company who is selected by the Administrator to be eligible for benefits under this Plan.

2.13    “ERISA” means the Employee Retirement Income Security Act of 1974, as amended.

2.14    “Fixed Income Fund” has the same meaning under this Plan as under the Thrift Plan.

2.15    “Officer Service” means an Eligible Employee’s Service as an officer of the Company. 

2.16    “Participant” means an Eligible Employee who has a Supplemental Thrift Account and/or a Supplemental Contribution Account under the Plan, or a person who was such at the time of his death or termination of service and who retains, or whose Beneficiary retains, a benefit under the Plan which has not been distributed.
2.17    “Plan” means the AK Steel Corporation Supplemental Thrift Plan, as set forth herein and as it may be amended from time to time.

2.18    “Plan Year” means the calendar year.

2.19    “Supplemental Contribution Account” means the account, including any sub-accounts, established and maintained on the books of the Company for a Participant for purposes of reflecting any Company Supplemental Contributions under Section 6.2 as adjusted from time to time for investment gains or losses and distributions.

2.20    “Supplemental Thrift Account” means the account (including any sub-accounts) established and maintained on the books of the Company for a Participant for purposes of reflecting any Company Matching Contribution under Section 6.1, as adjusted from time to time for investment gains or losses and distributions.  

2.21    “Service” means years of employment with the Company, including years of employment with any other predecessor organization approved by the Administrator.

2.22    “Thrift Plan” means the AK Steel Corporation Thrift Plan, Plan Document A, as amended, and any successor or replacement plan for such plan. 

2.23    “Trust” means the trust established pursuant to the Trust Agreement for the AK Steel Corporation Non-Qualified Supplemental Retirement Plans dated February 21, 1997, as amended, and any successor or replacement trust for such trust. 

2.24    “Trustee” means the Trustee under the Trust.

ARTICLE III - ADMINISTRATION

This Plan shall be administered by the Administrator or its delegate as the Administrator may designate from time to time.  The Administrator (or such delegate) shall have full discretion to interpret the Plan’s terms, and to resolve claims which may arise under the Plan.  

ARTICLE IV - SOURCE OF BENEFITS

4.1    General.  The Company may pay benefits due under the terms of this Plan directly from its assets or from assets held in the Trust.  All assets held in the Trust shall at all times be assets of the Company.  The benefits payable under this Plan shall be unfunded for all purposes of the Code and ERISA.  

4.2    Assets of the Company.  Nothing contained in this Plan shall give or be deemed to give any Participant or any other person any interest in any property of the Trust or of the Company or any right except to receive such payments as are expressly provided hereunder. 

4.3    Funding Upon Change in Control.  In the event of a Change in Control, the Company shall fully fund all benefits then accrued under this Plan by transferring sufficient assets to the Trustee in cash or in kind, provided, however, that such transfer shall not be made during any “Restricted Period” as defined in Section 409A(b)(3) of the Code or if prohibited by applicable law.  Such funding obligation may be secured by an irrevocable letter of credit issued to the Trustee by such bank or other lending institution as approved by the Administrator. 

ARTICLE V - ELIGIBILITY AND PARTICIPATION

5.1    Eligibility.  Participation in this Plan shall be limited to Eligible Employees. An Eligible Employee may receive allocations of Company Matching Contributions and/or Company Supplemental Contributions in accordance with Article VI, and thereby become a Participant under the Plan. An Eligible Employee who becomes a Participant shall continue to be a Participant until such time as his Supplemental Thrift Account and Supplemental Contribution Account has been completely distributed to him or his Beneficiary.

5.2    Removal.  The Administrator may remove any Participant from future participation in this Plan.  Such removal shall not affect the removed Participant’s benefits under this Plan that accrued prior to the effective date of the removal.  

ARTICLE VI - COMPANY CONTRIBUTIONS

6.1    Matching Contributions.  The Company shall, with respect to any Plan Year, credit matching contributions to the Supplemental Thrift Account of each Eligible Employee whose employer matching contributions under the Thrift Plan are limited due to application of the Code Section 401(a)(17) Limitation and/or the Code Section 415 Limitation.  Such matching contributions to be credited to an Eligible Employee’s Supplemental Thrift Account shall not exceed, with respect to any Plan Year, the additional matching contributions that would have been contributed to the Eligible Employee’s account under the Thrift Plan if the Code Section 401(a)(17) Limitation and the Code Section 415 Limitation were not applicable.  Any matching contributions under this Section 6.1 shall be credited to the Participant’s Supplemental Thrift Account on the same periodic basis as matching contributions are credited to Participants’ accounts under the Thrift Plan.

6.2    Supplemental Contributions.  The Company shall, with respect to any Plan Year beginning on or after January 1, 2018, credit to the Supplemental Contribution Account of any Eligible Employee who becomes an officer of the Company or after January 1, 2018, an amount equal 10%, or such other percentage as determined by the Administrator, of such Eligible Employee’s Annual Earnings with respect to such Plan Year.  Any supplemental contributions under this Section 6.2 shall be credited to the Participant’s Supplemental Contribution Account as soon as administratively feasible after the end of the Plan Year to which such contribution relates.

ARTICLE VII - CREDITING OF EARNINGS

7.1    General. There shall be credited to each Participant’s Supplemental Thrift Account and Supplemental Contribution Account earnings (or losses) as if such accounts were actually invested in the Fixed Income Fund. The rates of return throughout each Plan Year for the Fixed Income Fund shall be the same as the actual rates of return for said fund as under the Thrift Plan.  For each Plan Year, each Participant’s Supplemental Thrift Account and Supplemental Contribution Account shall be increased or decreased as if they had earned such rates of return.  Such increase or decrease shall be based on the varying balances of the accounts throughout the Plan Year and shall be credited to the accounts on the same periodic basis as investment earnings (losses) are credited to Participants’ accounts under the Thrift Plan.

7.2    Trust Investments. Nothing contained herein shall require the Company to invest assets of the Trust in any particular manner, or be deemed to permit any Participant to direct the manner in which the assets of the Trust are invested.  Such investments are governed by the terms of the Trust.

ARTICLE VIII - VESTING
8.1    Supplemental Thrift Account. Except as provided in Section 12.4, a Participant shall at all times be fully vested in his Supplemental Thrift Account.
8.2    Supplemental Contribution Account.  
(a)    Vesting Schedule. Except as provided in Section 12.4, and except as otherwise provided by the Administrator, a Participant who has completed at least three (3) years of Officer Service while a Participant shall have a nonforfeitable right to a percentage of his Supplemental Contribution Account based on his total years of Officer Service pursuant to the following schedule:
	
		
	Years of Officer Service
	Nonforfeitable
Percentage

	Less than 3
	0%

	3
	50%

	4
	60%

	5
6
7
8
	70%
80%
90%
100%

(b)    Disability.  A Participant who becomes “Permanently Disabled” while employed by the Company shall have a nonforfeitable right to 100% of his Supplemental Contribution Account as of the date on which he is determined to be Permanently Disabled, provided he has completed at least five (5) years of Service as of such date.  The term “Permanently Disabled” shall have the same meaning under this Plan as under the Company’s defined benefit pension plans.
(c)    Death.  The designated beneficiary of a Participant who dies while employed by the Company shall have a nonforfeitable right to 100% of the Participant’s Supplemental Contribution Account as of the date of the Participant’s death, provided the Participant has completed at least five (5) years of Service as of such date.
(d)    Change in Control.  A Participant shall have a nonforfeitable right to 100% of his Supplemental Contribution Account as of the effective date of any Change in Control which occurs while he is employed by the Company. In the event of a Change in Control, the Company shall fully fund all benefits then accrued under the Participant’s Supplemental Contribution Account by transferring sufficient assets to the trustee of the Trust in cash or in kind; provided, however, that such transfer shall not be made during any “Restricted Period” as defined in section 

409A(b)(3) of the Code or if prohibited by applicable law. Such funding obligation may be secured by an irrevocable letter of credit issued to the trustee of the Trust by such bank or other lending institution as approved by the Administrator.
ARTICLE IX - PLAN BENEFITS

9.1    Distributions.  Except as otherwise provided under the Plan, a Participant’s Supplemental Thrift Account will be paid in a single lump-sum payment to the Participant, or in the case of the Participant’s death, to his designated Beneficiary, within thirty (30) days following the date on which the Participant completely separates from service with the Company.  

9.2    Withholding.  All federal, state or local taxes that the Administrator determines are required to be withheld from any payments made pursuant to this Article VIII shall be withheld by the Company.  Each Participant shall be solely responsible for any and all taxes payable on any sums distributed to or on behalf of any Participant under this Plan. 

9.3    Six-Month Waiting Period.  Notwithstanding any provision of the Plan to the contrary, with respect to any Participant who on his Termination Date is deemed to be a “specified employee” within the meaning of Section 409A, his benefit under the Plan shall not be paid prior to the earlier of:  (i) the expiration of the six-month period measured from the date of his  “separation from service” (as defined in Section 409A) with the Company, or (ii) his death. Such Participant shall be entitled to interest on such delayed payment for such six-month period (or shorter period as the case may be), accrued at the average prime rate in effect during such period of delay, which shall be added to his benefit payable under the Plan. The average prime rate of interest for this purpose shall be the average over such period of the daily prime rate of interest published by the Fifth Third Bank, Cincinnati, Ohio or its successors.
ARTICLE X - DEATH BENEFIT

Upon the death of a Participant, any unpaid nonforfeitable amounts represented by the Participant’s Supplemental Thrift Account and/or Supplemental Contribution Account, increased by any amounts due to be credited but not yet credited under Sections 6.1 and 6.2, shall be payable to the Participant’s Beneficiary in a single sum within 30 days following the Participant’s death. 

ARTICLE XI - INTERPRETATION, AMENDMENT AND TERMINATION

11.1    Interpretation of the Plan.  This document contains the terms of the Plan.  However, the Administrator shall have, and the Board expressly reserves to itself and its delegates, the broadest possible power to exercise its discretion to interpret the terms of this Plan and to resolve any question regarding any person’s rights under the Plan.  Any such interpretation shall be final and binding upon a Participant, his spouse and his heirs and subject to review only in accordance with Section 11.2.

11.2    Claims Procedure.  Any Participant or other person claiming a right under this Plan shall submit such claim in writing to the Administrator, or its delegate, for resolution.  No person shall have any claim or cause of action for any benefit under this Plan until the Administrator, or its delegate, has responded to such written claim, which response shall not be unreasonably delayed.  It is the intent of the Company, and each Participant agrees as a condition of participation, that any judicial review of any decision hereunder shall be limited to a determination of whether the Administrator, or its delegate, acted arbitrarily or capriciously, and that any decision of the Administrator or its delegate shall be enforced unless the action taken is found by a court of competent jurisdiction to have been arbitrary or capricious.

11.3    Amendment or Termination of Plan.  The Board of Directors may, at any time, with or without notice to any person, amend or terminate this Plan; provided, however, that neither the amendment nor the termination of the Plan may reduce a Participant’s Supplemental Thrift Account or Supplemental Contribution Account or adversely affect the rights of any Participant to the benefits accrued by the Participant prior to the date of the action accomplishing the amendment or termination.

ARTICLE XII - MISCELLANEOUS

12.1    Unsecured General Creditor. The Plan shall at all times be entirely unfunded and no provision shall at any time be made with respect to segregating any assets of the Company for payment of any benefits hereunder.  No Participant or his designated Beneficiary shall acquire any property interest in his accounts under this Plan or any other assets of the Company, their rights being limited to receiving from the Company deferred payments as set forth in this Plan and these rights are conditioned upon continued compliance with the terms and conditions of this Plan.  To the extent that any Participant or Beneficiary acquires a right to receive benefits under this Plan, such right shall be no greater than the right of any unsecured general creditor of the Company.

12.2    Obligations to the Company.  If a Participant becomes entitled to a distribution of benefits under this Plan, and if at such time the Participant has any outstanding debt, obligation or other liability representing an amount owed to the Company, then the Company may offset such amounts against the amount of benefits otherwise distributable under the Plan.  Such determination shall be made by the Administrator.

12.3    Assignment or Alienation. Except as required by law, no right of a Participant or designated Beneficiary to receive payments under this Plan shall be subject to transfer, anticipation, commutation, alienation, sale, assignment, encumbrance, charge, pledge, or hypothecation or to execution, attachment, levy or similar process or assignment by operation of law and any attempt, voluntary or involuntary, to effect any such action shall be null and void and of no effect.

12.4    Forfeiture for Cause.  Any Participant may be terminated for “Cause” upon written notice by the Company setting forth the reasons for such termination.  “Cause” means a willful engaging in gross misconduct materially and demonstrably injurious to the Company.  “Willful” means an act or omission in bad faith and without reasonable belief that such act or omission was in or not opposed to the best interests of the Company.  Any such determination shall be made by the Administrator in its sole discretion. Notwithstanding the provisions of Article VIII, upon termination for Cause, such Participant shall forfeit any Company Matching Contributions credited to his Supplemental Thrift Account under Section 6.1, and any Company Supplemental Contributions credited to his Supplemental Contribution Account under Section 6.2, and any earnings allocable to such contributions under Section 7.1.  

12.5    Sale of Business.  Neither the sale of all of the outstanding stock of the Company or its parent company, AK Steel Holding Corporation, nor the sale of substantially all of the assets of the Company shall be or be deemed to be a termination of service for the purpose of establishing a Participant’s right to commence to receive benefits under this Plan.

12.6    General Conditions.  Any retirement benefit or any other benefit payable under the Thrift Plan shall be paid solely in accordance with the terms and conditions of the Thrift Plan and nothing in this Plan shall operate or be construed in any way to modify, amend or affect the terms and provisions of the Thrift Plan.

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

12.8    No Enlargement of 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 the right to be retained in the service of the Company.

12.9    Construction.  Article and section headings in this Plan are for convenience of reference only and shall not be considered as part of the terms of the Plan.  Words in the masculine gender include the feminine, and the singular includes the plural, and vice versa, unless qualified by the context.

12.10    Validity.  In the event any provision of this Plan is found by a court of competent jurisdiction to be invalid, void or unenforceable, such provision shall be stricken and the remaining provisions shall continue in full force and effect.

12.11    Binding on Successors, Purchasers, Transferees and Assignees. The Plan shall be binding upon any successor or successors of the Company whether by merger, consolidation, or otherwise.  In the event of the sale or transfer of substantially all of the assets of the Company to any successor, purchaser, transferee or assignee, the Company agrees that as a condition of such sale or transfer, the successor, purchaser, transferee or assignee shall adopt and assume the Plan at the time of the sale, transfer or assignment including, without limitation, all obligations which have accrued or may accrue in the future, and shall be bound by all the terms and provisions of the Plan, and the Company shall remain fully liable under the Plan. 

12.12    Applicable Law.  This Plan is subject to interpretation under federal law and, to the extent applicable, the law of the State of Ohio.

AK STEEL HOLDING CORPORATION
AK STEEL CORPORATION

By:    /s/ Stephanie Bisselberg        
Stephanie Bisselberg, Vice President, Human Resources                    

                                
Adopted: April 19, 2001
Amended and Restated:  October 18, 2007
Amended and Restated:  January 1, 2018

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