Document:

EX-10(bb)

 Exhibit 10(bb) 

ARCONIC GLOBAL PENSION PLAN 

(effective August 1, 2016) 

Alcoa Inc., a Pennsylvania corporation, anticipated to be renamed Arconic Inc. in the second half of 2016 (“Arconic”) established
the following Arconic Global Pension Plan (the “Plan”) an unfunded nonqualified defined contribution pension plan, originally effective January 1, 1998 and referred to as the Global Pension Plan, for the exclusive benefit of eligible
select management and highly compensated employees of Arconic and its majority owned subsidiaries and affiliates (the “Company”). Majority owned non-US subsidiaries and affiliates eligible to
participate as of August 1, 2016, are memorialized in Schedule A, and the Schedule will automatically be adjusted to account for changes to the list of majority owned non-US subsidiaries and affiliates
participating in this Plan in the future. This list encompasses any predecessor employing entities of which the listed companies may be successor employers. The Plan will be “maintained outside of the United States primarily for the benefit of
persons substantially all of whom are non-resident aliens,” within the meaning of the Employee Retirement Income Security Act of 1974 (“ERISA”). The purpose of the Plan is to provide retirement
benefits of eligible employees who are unable to participate in a home country pension plan, or who, due to frequent transfer among different countries, will otherwise be significantly disadvantaged financially. 

Effective August 1, 2016, in anticipation of its separation into two separate publicly-traded companies, Arconic separated this Plan into
two separate plans: this Plan and the Arconic USA Corp. Global Pension Plan. No person shall have a benefit under both plans. 

ARTICLE I - PARTICIPATION 
 1.1
Eligibility. An Eligible Employee means any employee who on or after the effective date of the Plan: 
  

	 	(A)	(1) is actively at work for the Company, 

 (2) is a
non-resident alien of the United States of America, or otherwise ineligible to participate in a pension plan in the country in which they reside or work, 

(3) is authorized by the Director, Global Benefits (or similarly situated position to the extent that such position no longer exists) (the
“Director”) to participate in the Plan, 
 (4) is not eligible to actively participate in any other pension or savings plan of the
Company. 
 And 
  

	 	(B)	is not actively participating in any other pension plan of the Company (including but not limited to the Alcoa USA Corp. Global Pension Plan) and is authorized by an officer of the Company to participate in the Plan.
Participants who are U.S. residents, who are also eligible to participate in the Arconic Retirement Savings Plan, are not eligible to participate in this Plan. 

1.2 Participation. An Eligible Employee will commence participation in this Plan on the first day they become an eligible employee, or such other date
as determined by the Director, and will remain a participant until he or she is no longer an Eligible Employee. Effective August 1, 2016, the participants identified on Schedule B had their accounts
transferred to the Alcoa USA Corp. Global Pension Plan and ceased to be Participants under this Plan. No person eligible for a benefit under the Alcoa USA Corp. Global Pension Plan shall have a benefit under this Plan. 

1.3 Continuous Service. “Continuous Service” means, except as modified by the balance of this definition, the period of continuous employment
with the Company, either as a salaried employee or as an hourly-rated employee, subject to such rules as may be adopted from time to time by the Director. Continuous Service terminates upon any quit, dismissal, discharge, Retirement, or any other
termination of employment with the Company; any determination by the Director that employment with these entities has terminated is conclusive, final, and binding. Absences from such employment due to inactive status, sick leave, leave of absence or
layoff shall constitute a termination of Continuous Service after such status has continued for 6 months, except to the extent the Participant has the legal right to be reemployed either through contract or statute. 

  
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 1.4 Vesting. All Benefit Credits and Earning Credits are fully vested on the date that they are allocated
to a Participant’s account. 
 1.5 Retirement Under the Plan. A Participant will retire under this Plan upon the termination of employment after
attainment of age 55 and completion of 10 years of Vesting Service or attainment of age 65. For purposes of this Section 1.5, Vesting Service will be determined in the same manner as Vesting Service is provided in Section 4.1 of Arconic
Retirement Plan I. 
 ARTICLE II - CONTRIBUTIONS 

2.1 The Company will provide each Participant’s account with contribution credits (“Benefit Credits”) equal to 8% of the Participant’s
annual Base Salary and Bonus. The Benefit Credits will be posted as of December 31 for the then current plan year. 
 The account of any Participant
whose Continuous Service is terminated prior to December 31 of any plan year will be credited with Benefit Credits equal to 8% of the Participant’s Base Salary and Bonus earned as of the date his or her Continuous Service ends, and will be
posted on the earlier of December 31 of the then current plan year or as of the end of the month in which such Continuous Service terminates. 
 2.2
“Base Salary” means the regular base salary or hourly wages payable during such periods as the employee is a Participant. “Bonus” means the variable or incentive compensation payable during such periods as the employee is a
Participant. Where commission payments constitute all or part of an employee’s monthly remuneration, the commissions actually paid as remuneration during a regular pay period will be used to determine the Base Salary for such employee. Base
Salary does not include non-recurring items such as: overtime, extended workweek premium, cost of living allowance where separately designated, shift or other premiums, or other payments, fees or allowances
made for specific purposes as determined by the Company. Base Salary will be based on the amount of annual salary in local currency converted into US Dollars, based on the annual average exchange rate as determined by Arconic’s Corporate
Finance Department. 
 ARTICLE III - EARNINGS 

3.1 Prior to January 1, 2002, Earnings Credits equaled the average annual London Interbank Offer Rate (“LIBOR”), and were applied to the
balance of the Participant’s account on December 31 of each Plan year, but prior to posting the current plan year’s Benefit Credit. The average was determined by adding the LIBOR, as published in the Financial Times, as of the last
day of each month and dividing that sum by 12. Effective as of January 1, 2002, the average annual LIBOR was the greater of a) the LIBOR as published in the Financial Times as of the last day of each month, divided by 12, or b) 5.5%. 

Effective as of August 1, 2007, Earnings Credits with respect to a Participant whose Continuous Service was terminated prior to December 31 of the
plan year was applied to the Participant’s account as of the end of the month in which the participant’s Continuous Service terminated, but prior to the posting of Benefits Credits as described in Section 2.1. Earnings Credits for
such Participant were the greater of i) the average LIBOR for the portion of the plan year through the end of the month in which the Participant’s Continuous Service terminated or ii) 5.5%, multiplied by a ratio that is the number of months the
Participant was employed, including the month in which the Participant’s Continuous Service ends, over 12 months. 
 Effective July 1, 2009,
Earnings Credits equal the U.S. prime rate in effect as of December 31 of the prior plan year, but no greater than 6%. Earnings Credits applied to a Participant’s account whose Continuous Service is terminated prior to December 31 of
the plan year will be the U.S. prime rate in effect as of the last day of the calendar month in which the Participant’s Continuous Service terminated, but no greater than 6%. 

ARTICLE IV - DISTRIBUTIONS 
 4.1
The amount of Benefit Credits and Earnings Credits in a Participant’s account will be distributed to the Participant as soon as administratively practicable following the date the Participant’s Continuous Service terminates.
Notwithstanding the foregoing, to the extent a Participant is a Specified Employee, any distribution to 

  
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the Participant, will be delayed until the first day of the seventh month following the date that the distribution would otherwise have begun. Other than Earnings Credits, no other Credits will
be applied to the Participant’s account during that time. “Specified Employee” means a “specified employee” as defined under written guidelines adopted by the Company, which comply with Section 409A of the Internal Revenue
Code and any regulations promulgated thereunder. The term “as soon as administratively practical” means within the later of: (a) 90 days of the date the Participant’s Continuous Service terminates or (b) 2  1⁄2 months after the year in which the Participant’s Continuous Service terminated. 

4.2 All distributions will be paid to the Participant or the Beneficiary in a lump sum, and will be paid in U.S. Dollars. 

4.3 The Beneficiary under this Plan is the Participant’s spouse. In the event that there is no spouse or the spouse is deceased at the time of the
Participant’s death, amounts will be distributed as soon as administratively practical in a lump sum to the Participant’s estate. The spouse will be determined under the laws of the country of residence on the date of death, by the
Director. The term “as soon as administratively practical” means within the later of: (a) 90 days of death or (b) 2  1⁄2 months after the year of
death. 
 ARTICLE V - ADMINISTRATION AND EXPENSES OF THE PLAN 

5.1 The general administration of this Plan is by the Benefits Management Committee of Arconic, which has delegated certain authority to the Director. The
Director’s resolution of any matter concerning this Plan is final and binding upon the Company and any Participant and/or Beneficiary affected thereby. The Director has the discretionary authority to interpret the provisions of the Plan and
take any and all actions in determining the eligibility, participation and coverage of any individual claiming benefits under this plan. 
 5.2 All costs
and expenses incurred in administering the Plan, including the expenses of the Director, the fees and expenses of a trustee or custodian, the fees and charges payable under the investment arrangements, and other legal and administrative expenses,
will be paid by the Plan. 
 ARTICLE VI - GENERAL PROVISIONS 

6.1 This Plan will not be construed as conferring any rights upon any Participant for continuation of employment with the Company, nor will it interfere with
the rights of the Company to terminate the employment of any Participant and/or to take any personnel action affecting any Participant without regard to the effect which such action may have upon such Participant as a recipient of benefits under
this Plan. 
 6.2 No benefit under this Plan may be assigned, transferred, pledged or encumbered or be subject in any manner to alienation or anticipation.

 6.3 Benefits payable hereunder are payable out of the general assets of the Company, and no segregation of assets for such benefits will be made. The
right of a Participant or any Beneficiary to receive benefits under this Plan is an unsecured claim against the assets and are no greater than the rights of an unsecured general creditor of the Company. Notwithstanding the foregoing, in the event
the Company establishes a trust, to which it may, but will not be required to contribute money or other property in contemplation of paying benefits under this Plan, such money or other property will remain subject to the claims of creditors of the
Company. The Company will establish a book reserve to account for the benefits provided under this Plan. 
 6.4 This Plan may be amended, suspended or
terminated at any time by the Benefits Management Committee of Arconic; provided, however, that no such amendment, suspension or termination will reduce or in any manner adversely affect any Participant’s or Beneficiary’s rights with
respect to benefits that are payable or may become payable under this Plan based upon the Participant’s Benefit Credits as of the date of such amendment, suspension or termination. 

6.5 The Participant or beneficiary is liable for any taxes which are applicable to the amounts payable under this Plan. In addition, if any taxing authority
should determine that amounts payable under this Plan are taxable at any point prior to payment, the Participant remains solely liable for such taxes. Arconic and/or participating subsidiaries 

  
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and affiliates shall be authorized to withhold from any payment due under the Plan the amount of withholding taxes due in respect of such payment and to take such other action as may be necessary
in its opinion to satisfy all obligations for the payment of such taxes under the laws of the applicable jurisdiction. 
 6.6 This Plan will be construed,
regulated and administered under the laws of the Commonwealth of Pennsylvania, United States of America, except for laws relating to choice or conflict of laws, and except to the extent preempted by federal law. All claims or disputes, must be
brought within the jurisdiction of the federal courts of the United States of America sitting in the Pennsylvania. 
 ARTICLE VII -
CLAIMS AND APPEALS 
 7.1 If a claim by a Participant or spouse is denied in whole or in part, the Participant or spouse, or their representative
will receive written notice from the Director. This notice will include the reasons for denial, the specific Plan provision involved, an explanation of how claims are reviewed, the procedure for requesting a review of the denied claim, and a
description of the information that must be submitted with the appeal. The Participant or spouse, or their representative, may file a written appeal for review of a denied claim to the Plan. The process and the time frames for the determination of
claims and appeals are as follows: 
 (a) The Director reviews initial claim and makes determination within 90 days of the date the claim is
received. 
 (b) The Director may extend the above 90-day period an additional 90 days if required
due to special circumstances beyond control of Director. 
 (c) The Participant or spouse, or their representative, may submit an appeal of a
denied claim within 60 days of receipt of the denial. 
 (d) The Director reviews and makes a determination on the appeal within 60 days of
the date the appeal was received. 
 (e) The Director may extend the above 60-day period an
additional 60 days if required by special circumstances beyond the control of the Director. 
 7.2 In the case where the Director requires an extension of
the period to provide a determination on an initial claim or an appeal, the plan will notify the Participant or spouse, or their representative, prior to the expiration of the initial determination period. The notification will describe the
circumstances requiring the extension and the date a determination is expected to be made. If additional information is required from the Participant or spouse, the determination period will be suspended until the earlier of i) the date the
information is received by the Director or ii) 45 days from the date the information was requested. 
 7.3 Participants or spouses, or their representative,
who having received an adverse appeal determination and thereby exhausted the remedies provided under the Plan, proceed to file suit in state or federal court, must file such suit within 180 days from the date of the adverse appeal determination
notice. 

  
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 Schedule A 

As of August 1, 2016 
 Howmet
Canada Company 
 Howmet Japan Ltd. 
 Alcoa Inc. (anticipated to
be renamed Arconic Inc.) 
 Alcoa Global Fasteners Inc. 

Kawneer Company Canada Limited 
 Alcoa Europe SARL 

Alcoa GmbH 

  
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 Schedule B 

Participants Transferred to Alcoa USA Corp. Global Savings Plan Effective August 1, 2016 

[Names of Participants omitted.] 

  
 6EX-10(kk)

 Exhibit 10(kk) 

CONSULTING AGREEMENT 

THIS AGREEMENT is made effective January 1, 2017, between ARCONIC INC., a Pennsylvania corporation, including all of its subsidiaries and
divisions (hereinafter called “ARCONIC” or the “Company”), and Audrey Strauss, an individual currently residing at [ADDRESS] (hereinafter called “Consultant”). 

WHEREAS, ARCONIC desires personal consulting services relating to legal, corporate and governance matters of ARCONIC, and Consultant desires
to undertake performance of such services. 
 NOW, THEREFORE, in consideration of the mutual covenants contained in this Agreement, and
intending to be legally bound, the parties agree as follows: 
 ARTICLE I - DEFINITIONS 

Section 1.1. Consulting Services. The term “Consulting Services” means the personal and associated
services of Consultant provided to ARCONIC in areas relating to Consultants’ expertise and knowledge of legal and corporate matters involving the Company’s businesses. The primary purpose of this consulting arrangement is to continue to
facilitate the transition of Consultant’s responsibilities following her retirement from Arconic, and for Consultant to provide assistance in certain legal, corporate and governance matters. Requests for Consulting Services shall only be given
by Klaus Kleinfeld or Kate Ramundo his/her designee. Consultant shall provide Consulting Services to ARCONIC as an independent contractor. ARCONIC disclaims any right to control the manner of performance of the Consulting Services by Consultant. It
is understood that Arconic can accept or reject any or all proposals and recommendations of Consultant. 

Section 1.2. It is understood that Consultant will, on request, meet with representatives of Arconic at its
corporate headquarters in New York or Pittsburgh, at other domestic and non-domestic plant or office locations and with other related or unrelated business organizations as may be necessary from time to time
to accomplish the objectives of this Agreement. 
 Section 1.3. It is agreed that Consultant will generally work from her home office
but Consultant shall be provided with use of a desk and computer whenever requested services require her presence in the New York or Pittsburgh offices of Arconic. Consultant shall also be provided with necessary support and equipment, such as
computers, phone, access to an administrative assistant, and IT support as needed. 
 Section 1.4. It is agreed that with respect to
legal matters in which Arconic is seeking legal advice, it is Arconic’s desire that such consultation be covered by the attorney-client privilege, and as such, Consultant shall take all appropriate steps to protect Arconic’s
attorney-client privilege. 
 ARTICLE II - COMPENSATION 

Section 2.1. Effective with the date of this Agreement ARCONIC shall pay Consultant a sum of eight hundred dollars
($800) per hour for Consulting Services performed under this Agreement. Consultant shall record accumulated hours and submit such hours for payment. It is agreed that during the term of this Agreement Consulting Services will be requested for no
more than a maximum of thirty hours per month. 
 Section 2.2. Consultant shall not charge ARCONIC for time spent
in domestic travel to the extent that domestic travel time is four (4) hours or less. Consultant may charge ARCONIC for hours in excess of four hours for travel on any one trip. For Consulting Services which will require the Consultant to
travel to non-domestic locations, Consultant shall charge Arconic for the number of hours determined from the time the Consultant leaves her place of residence, until Consultant returns to her place of
residence. Consultant shall have the right to be reimbursed for all reasonable travel incurred in the performance of approved Consulting Services including domestic mainland air travel costs (coach class accommodations), international air travel
costs (business class accommodations) and other expenses directly incurred in rendering Consulting Services to ARCONIC. 

 Section 2.3. For Consulting Services and incurred reimbursable
expenses, Consultant shall be paid within thirty (30) days after receipt by ARCONIC of a statement showing the Days of Consulting Services provided by Consultant and itemized expenses incurred during the preceding calendar month. 

ARTICLE III - CONFIDENTIALITY 

Section 3.1. All data and other information of every kind, which is not generally known or used outside of ARCONIC
and which gives ARCONIC a competitive advantage over others who do not know or use it, whether expressed in writing or otherwise, including information of a technical, engineering, operational or economic nature, learned or obtained by Consultant
during the term of this Agreement or heretofore or hereafter disclosed or revealed to Consultant by ARCONIC, in the course of performing Consulting Services for ARCONIC under this Agreement, and which Consultant knows, or has reason to believe
includes factual information which ARCONIC expects to be treated in confidence (all herein called “Information”) shall be: 
 (a)
received and maintained in strict confidence by Consultant and shall not be disclosed, directly or indirectly, by Consultant to any related or unrelated party whatsoever; and 

(b) used by Consultant only for the performance of Consulting Services for ARCONIC. 

Section 3.2. The foregoing obligations of confidentiality, limited use and
non-disclosure shall not apply to the following two exclusions: 
 (a) Information of a factual
nature which is or becomes available in issued patents, published patent applications or printed publications of general public circulation other than by acts or omissions of Consultant; or 

(b) Information of a factual nature which Consultant hereafter lawfully obtains without restriction from a third party other than from a third
party who obtained such Information from ARCONIC. 
 Consultant may not reveal to any party whatsoever without ARCONIC’s express written approval the
character of or compensation for Consulting Services being performed for ARCONIC. 
 Section 3.3. The obligations
imposed by this Article III shall continue in effect for a period of two (2) year(s) from the date on which the last Consulting Services are performed by Consultant for ARCONIC, and shall survive any termination of this Agreement by either
party. 
 ARTICLE IV - CONFLICT OF INTEREST 

Section 4.1. It is acknowledged that Consultant’s areas of accountability and the nature and character of the
Consulting Services she will perform for ARCONIC are of a unique character which cannot be readily replaced. Therefore, it is agreed that during the term of this Agreement Consultant will not directly or indirectly enter into any employment
arrangement as a director, officer, partner, owner, employee, inventor, consultant, advisor, agent, or otherwise with any business or firm which is engaged or may become engaged in the business of providing high-performance materials to aerospace,
auto, and commercial building businesses (collectively “Competing Business”). This limitation of future employment is understood to include, but not limited to any domestic or international Competing Businesses, as well as all
subsidiaries, partners, and affiliates of such Businesses. 
 If Consultant desires to accept employment with a Competing Business, she is
required to notify ARCONIC prior to accepting such employment in order to determine if in fact such employment will violate the limitations set forth in this Agreement. ARCONIC’s consent to future employment will not be unreasonably withheld.

 If the limitations on future employment as set forth above or any part thereof should, for any reason whatsoever, be declared invalid by
a court of competent jurisdiction, the validity or enforceability of the remainder of such limitations and of this Agreement shall not thereby be adversely affected. In the event that the territorial or time limitation is deemed to be unreasonable
by a court of competent jurisdiction, Consultant agrees and submits to the reduction of either said territorial or time limitation to such an area or period as said court shall deem reasonable. 

  
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 It is agreed that the breach of this Agreement cannot be reasonably or adequately compensated in
damages in an action at law. Therefore, Consultant expressly agrees that ARCONIC, in addition to any other rights or remedies which it may possess, shall be entitled to injunctive or other equitable relief to prevent a breach of these provisions.

 ARTICLE V - TERM 

Section 5.1. The initial term of this Agreement shall be effective January 1, 2017, through December 31,
2017. The Agreement may be renewed upon such terms and conditions as may be agreed upon by Consultant and Arconic. The Agreement may be terminated by Arconic or Consultant at any time. 

ARTICLE VI - MISCELLANEOUS 

Section 6.1. Indemnification. Consultant agrees to indemnify and to hold ARCONIC harmless against any and all
liability, claims and demands by or on behalf of Consultant or others (including but not limited to ARCONIC employees and other third-parties) including claims on account of injury or loss to property or life caused solely by the gross negligence or
willful acts or omission solely of Consultant, arising out of or in any manner connected with the performance of the Consulting Services. In the event that it is determined that Consultant acted in good faith and in a manner believed to be in, or
not opposed to the best interest of Arconic, Consultant shall not be required to indemnify or hold Arconic harmless against any and all liability, claims and demands. If necessary, the final determination of whether or not Consultant acted in good
faith will be determined by independent legal counsel, or other disinterested person agreed upon by Arconic and Consultant. Nothing contained in this Section 6.1 shall obligate Consultant to save and hold Arconic harmless from and against any
liability, claims or demands which may arise from the sole negligence of Arconic. 
 Arconic agrees to indemnify and hold Consultant
harmless against any and all liability, claims and demands by or on behalf of Arconic or others (including, but not limited to Arconic employees and other third-parties) including claims on account of legal liability, personal injury or loss to
property or life, resulting from acts or omissions solely of Arconic or others, arising out of or in any manner connected with the performance of the Consulting Services. 

Section 6.2. Assignment. This Agreement shall inure to the benefit of and be binding upon ARCONIC, its
successors and assigns. This Agreement may not be assigned by Consultant without the prior written approval of ARCONIC. 

Section 6.3. Integration. This Agreement sets forth the entire understanding between the parties as to the
subject matter of this Agreement, and supersedes all prior agreements, commitments, representations, writings and discussions between them, whether written or oral, with respect to the subject matter hereof. It is expressly understood that no
representations, promises, warranties or agreements have been made by either party except as the same are set forth herein. Except as otherwise expressly provided in this Agreement, this Agreement may not be amended except in writing and signed by
Arconic and Consultant. 
 Section 6.4. Waiver. No party shall be deemed to have waived any right, power or
privilege under this Agreement or any provision hereof unless such waiver shall have been duly executed in writing and acknowledged by the party to be charged with such waiver. The failure of any party to enforce at any time any of the provisions of
this Agreement shall in no way be construed to be a waiver of such provisions, nor in any way to affect the validity of this Agreement or any part thereof, or the right of any party to thereafter enforce each and every such provision. No waiver of
any breach of this Agreement shall be held to be a waiver of any other or subsequent breach. All remedies permitted under this Agreement shall be taken and construed as cumulative. 

  
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 Section 6.5. Notices. Notices to the parties shall be sent as
follows; 
  

			
	To Arconic:	  	Vas Nair
		  	Executive Vice President
		  	Arconic Inc.
		  	390 Park Avenue
		  	New York, NY 10022
		
	To Consultant:	  	Audrey Strauss
		  	[ADDRESS]

 Section 6.6. Severability. If any provision of this Agreement or its
application to any person or circumstance is adjudged invalid or unenforceable by a court of competent jurisdiction, then the remainder of this Agreement or the application of such provision to other persons or circumstances shall not be affected
thereby; provided, however, that if any provision or application thereof is invalid or unenforceable, then a suitable and equitable provision shall be substituted therefor in order to satisfy, so far as may be valid and enforceable, the intent and
purpose of this Agreement including the invalid or unenforceable provision. 
 Section 6.7. Applicable Law.
This Agreement shall be governed by and interpreted in accordance with the laws of the State of New York, not including, however, the rules relating to the choice or conflict of laws. 

 

					
	WITNESS:	 	 ARCONIC INC.

			
	/s/ Catherine D. Parroco	 	By	 	/s/ Katherine H. Ramundo
	Assistant Secretary	 		 	EVP and Chief Legal Officer
		 	Date	 	December 16, 2016
		
	WITNESS:	 	AUDREY STRAUSS
			
	/s/ Margaret S. Lam	 	By	 	/s/ Audrey Strauss
	Chief Securities and Governance Counsel	 	Date	 	December 16, 2016

  
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