Form of 2011 Equity Incentive Award Plan Restricted Stock Unit Agreement



 Exhibit 10.12 
 ALLISON TRANSMISSION HOLDINGS, INC. 
 2011 EQUITY INCENTIVE AWARD PLAN

 RESTRICTED STOCK UNIT GRANT NOTICE 
 Allison Transmission Holdings, Inc., a Delaware corporation (the “Company”), pursuant to its 2011 Equity Incentive Award Plan, as amended from time to time (the “Plan”),
hereby grants to the holder listed below (“Participant”) the number of Restricted Stock Units (the “RSUs”) set forth below. The RSUs are subject to the terms and conditions set forth in this Restricted Stock Unit
Grant Notice (the “Grant Notice”) and the Restricted Stock Unit Agreement attached hereto as Exhibit A (the “Agreement”) and the Plan, which are incorporated herein by reference. Unless otherwise defined
herein, the terms defined in the Plan shall have the same defined meanings in the Grant Notice and the Agreement. 
  

			
	Participant:	  	
		
	Grant Date:	  	
		
	Number of RSUs:	  	
		
	Type of Shares Issuable:	  	Common Stock of Allison Transmission Holdings, Inc.
		
	Vesting Schedule:	  	[To be specified in individual agreements]


By his or her signature, and the Company’s signature below, Participant agrees to be bound by the terms and conditions of the Plan,
the Agreement and the Grant Notice. Participant has reviewed the Agreement, the Plan and the Grant Notice in their entirety, has had an opportunity to obtain the advice of counsel prior to executing the Grant Notice and fully understands all
provisions of the Grant Notice, the Agreement and the Plan. Participant hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Administrator upon any questions arising under the Plan, the Grant Notice or the
Agreement. 
  

									
	ALLISON TRANSMISSION HOLDINGS, INC.	 		 	PARTICIPANT
					
	 By:
	 	 	 		 	By:	 	 
	 Print Name:
	 	 	 		 	Print Name:	 	 
	 Title:
	 	 	 		 		 	
		 		 		 	Address:	 	 
		 		 		 		 	 








 EXHIBIT A 
 TO RESTRICTED STOCK UNIT GRANT NOTICE 
 RESTRICTED STOCK UNIT AGREEMENT

 Pursuant to the Grant Notice to which this Agreement is attached, the Company has granted to Participant the number of
RSUs set forth in the Grant Notice. 
 ARTICLE I. 
 GENERAL 
 1.1 Defined Terms. Capitalized terms not specifically
defined herein shall have the meanings specified in the Plan or the Grant Notice. 
 1.2 Incorporation of Terms of Plan.
The RSUs and the shares of Common Stock (“Stock”) issued to Participant hereunder (“Shares”) are subject to the terms and conditions set forth in this Agreement and the Plan, which is incorporated herein by
reference. In the event of any inconsistency between the Plan and this Agreement, the terms of the Plan shall control. 

ARTICLE II. 
 AWARD OF RESTRICTED STOCK UNITS AND DIVIDEND EQUIVALENTS 
 2.1 Award of
RSUs and Dividend Equivalents. 
 (a) In consideration of Participant’s past and/or continued employment
with or service to the Company or a Subsidiary and for other good and valuable consideration, effective as of the grant date set forth in the Grant Notice (the “Grant Date”), the Company has granted to Participant the number of RSUs
set forth in the Grant Notice, upon the terms and conditions set forth in the Grant Notice, the Plan and this Agreement, subject to adjustments as provided in Section 12.2 of the Plan. Each RSU represents the right to receive one Share or, at
the option of the Company, an amount of cash as set forth in Section 2.3(b), in either case, at the times and subject to the conditions set forth herein. However, unless and until the RSUs have vested, Participant will have no right to the
payment of any Shares subject thereto. Prior to the actual delivery of any Shares, the RSUs will represent an unsecured obligation of the Company, payable only from the general assets of the Company. 

(b) The Company hereby grants to Participant an Award of Dividend Equivalents with respect to each RSU granted pursuant to
the Grant Notice for all ordinary cash dividends which are paid to all or substantially all holders of the outstanding shares of Stock between the Grant Date and the date when the applicable RSU is distributed or paid to Participant or is forfeited
or expires. The Dividend Equivalents for each RSU shall be equal to the amount of cash which is paid as a dividend on one share of Stock. All such Dividend Equivalents shall be credited to Participant and be deemed to be reinvested in additional
RSUs as of the date of payment of any such dividend based on the Fair Market Value of a share of Stock on such date. Each additional RSU which results from such deemed reinvestment of Dividend Equivalents granted hereunder shall be subject to the
same vesting, distribution or payment, adjustment and other provisions which apply to the underlying RSU to which such additional RSU relates. 

  
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 2.2 Vesting of RSUs and Dividend Equivalents. 

(a) Subject to Participant’s continued employment with or service to the Company or a Subsidiary on each applicable
vesting date and subject to the terms of this Agreement, the RSUs shall vest in such amounts and at such times as are set forth in the Grant Notice. Each additional RSU which results from deemed reinvestments of Dividend Equivalents pursuant to
Section 2.1(b) hereof shall vest whenever the underlying RSU to which such additional RSU relates vests. 

(b) In the event Participant incurs a Termination of Service, except as may be otherwise provided by the Administrator or
as set forth in a written agreement between Participant and the Company, Participant shall immediately forfeit any and all RSUs and Dividend Equivalents granted under this Agreement which have not vested or do not vest on or prior to the date on
which such Termination of Service occurs, and Participant’s rights in any such RSUs and Dividend Equivalents which are not so vested shall lapse and expire. 
 2.3 Distribution or Payment of RSUs. 
 (a)
Participant’s RSUs shall be distributed in Shares (either in book-entry form or otherwise) or, at the option of the Company, paid in an amount of cash as set forth in Section 2.3(b), in either case, as soon as administratively practicable
following the vesting of the applicable RSU pursuant to Section 2.2, and, in any event, within sixty (60) days following such vesting. Notwithstanding the foregoing, the Company may delay a distribution or payment in settlement of RSUs if
it reasonably determines that such payment or distribution will violate Federal securities laws or any other Applicable Law, provided that such distribution or payment shall be made at the earliest date at which the Company reasonably
determines that the making of such distribution or payment will not cause such violation, as required by Treasury Regulation Section 1.409A-2(b)(7)(ii), and provided further that no payment or distribution shall be delayed under this
Section 2.3(a) if such delay will result in a violation of Section 409A of the Code. 
 (b) In the
event that the Company elects to make payment of Participant’s RSUs in cash, the amount of cash payable with respect to each RSU shall be equal to the Fair Market Value of a Share on the day immediately preceding the applicable distribution or
payment date set forth in Section 2.3(a). All distributions made in Shares shall be made by the Company in the form of whole Shares, and any fractional share shall be distributed in cash in an amount equal to the value of such fractional share
determined based on the Fair Market Value as of the date immediately preceding the date of such distribution. 
 2.4
Conditions to Issuance of Certificates. The Company shall not be required to issue or deliver any certificate or certificates for any Shares prior to the fulfillment of all of the following conditions: (A) the admission of the Shares to
listing on all stock exchanges on which such Shares are then listed, (B) the completion of any registration or other qualification of the Shares under any state or federal law or under rulings or regulations of the Securities and Exchange
Commission or other governmental regulatory body, which the Administrator shall, in its absolute discretion, deem necessary or advisable, and (C) the obtaining of any approval or other clearance from any state or federal governmental agency
that the Administrator shall, in its absolute discretion, determine to be necessary or advisable. 
 2.5 Tax Withholding.
Notwithstanding any other provision of this Agreement: 
 (a) The Company and its Subsidiaries have the authority
to deduct or withhold, or require Participant to remit to the Company or the applicable Subsidiary, an amount sufficient to satisfy 

  
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applicable federal, state, local and foreign taxes (including the employee portion of any FICA obligation) required by law to be withheld with respect to any taxable event arising pursuant to
this Agreement. The Company and its Subsidiaries may withhold or the Participant may make such payment in one or more of the forms specified below: 
 (i) by cash or check made payable to the Company or the Subsidiary with respect to which the withholding obligation arises; 

(ii) by the deduction of such amount from other compensation payable to Participant; 

(iii) with respect to any withholding taxes arising in connection with the distribution of the RSUs, with the consent of
the Administrator, by requesting that the Company and its Subsidiaries withhold a net number of vested shares of Stock otherwise issuable pursuant to the RSUs having a then current Fair Market Value not exceeding the amount necessary to satisfy the
withholding obligation of the Company and its Subsidiaries based on the minimum applicable statutory withholding rates for federal, state, local and foreign income tax and payroll tax purposes; 

(iv) with respect to any withholding taxes arising in connection with the distribution of the RSUs, with the consent of
the Administrator, by tendering to the Company vested shares of Stock having a then current Fair Market Value not exceeding the amount necessary to satisfy the withholding obligation of the Company and its Subsidiaries based on the minimum
applicable statutory withholding rates for federal, state, local and foreign income tax and payroll tax purposes; 
 (v) with respect to any withholding taxes arising in connection with the distribution of the RSUs, through the delivery of a notice that Participant has placed a market sell order with a broker acceptable
to the Company with respect to shares of Stock then issuable to Participant pursuant to the RSUs, and that the broker has been directed to pay a sufficient portion of the net proceeds of the sale to the Company or the Subsidiary with respect to
which the withholding obligation arises in satisfaction of such withholding taxes; provided that payment of such proceeds is then made to the Company or the applicable Subsidiary at such time as may be required by the Administrator, but in
any event not later than the settlement of such sale; or 
 (vi) in any combination of the foregoing. 

(b) With respect to any withholding taxes arising in connection with the RSUs, in the event Participant fails to provide
timely payment of all sums required pursuant to Section 2.5(a), the Company shall have the right and option, but not the obligation, to treat such failure as an election by Participant to satisfy all or any portion of Participant’s
required payment obligation pursuant to Section 2.5(a)(ii) or Section 2.5(a)(iii) above, or any combination of the foregoing as the Company may determine to be appropriate. The Company shall not be obligated to deliver any certificate
representing shares of Stock issuable with respect to the RSUs to Participant or his or her legal representative unless and until Participant or his or her legal representative shall have paid or otherwise satisfied in full the amount of all
federal, state, local and foreign taxes applicable with respect to the taxable income of Participant resulting from the vesting or settlement of the RSUs or any other taxable event related to the RSUs. 

(c) In the event any tax withholding obligation arising in connection with the RSUs will be satisfied under
Section 2.5(a)(iii), then the Company may elect to instruct any brokerage firm determined acceptable to the Company for such purpose to sell on Participant’s behalf a whole number of shares from those shares of Stock then issuable to
Participant pursuant to the RSUs as the Company 

  
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determines to be appropriate to generate cash proceeds sufficient to satisfy the tax withholding obligation and to remit the proceeds of such sale to the Company or the Subsidiary with respect to
which the withholding obligation arises. Participant’s acceptance of this Award constitutes Participant’s instruction and authorization to the Company and such brokerage firm to complete the transactions described in this
Section 2.5(c), including the transactions described in the previous sentence, as applicable. The Company may refuse to issue any shares of Stock in settlement of the RSUs to Participant until the foregoing tax withholding obligations are
satisfied, provided that no payment shall be delayed under this Section 2.5(c) if such delay will result in a violation of Section 409A of the Code. 

(d) Participant is ultimately liable and responsible for all taxes owed in connection with the RSUs, regardless of any
action the Company or any Subsidiary takes with respect to any tax withholding obligations that arise in connection with the RSUs. Neither the Company nor any Subsidiary makes any representation or undertaking regarding the treatment of any tax
withholding in connection with the awarding, vesting or payment of the RSUs or the subsequent sale of Shares. The Company and the Subsidiaries do not commit and are under no obligation to structure the RSUs to reduce or eliminate Participant’s
tax liability. 
 2.6 Rights as Stockholder. Neither Participant nor any person claiming under or through Participant
will have any of the rights or privileges of a stockholder of the Company in respect of any Shares deliverable hereunder unless and until certificates representing such Shares (which may be in book-entry form) will have been issued and recorded on
the records of the Company or its transfer agents or registrars, and delivered to Participant (including through electronic delivery to a brokerage account). Except as otherwise provided herein, after such issuance, recordation and delivery,
Participant will have all the rights of a stockholder of the Company with respect to such Shares, including, without limitation, the right to receipt of dividends and distributions on such Shares. 

ARTICLE III. 
 OTHER PROVISIONS 
 3.1 Administration. The Administrator shall have
the power to interpret the Plan, the Grant Notice and this Agreement and to adopt such rules for the administration, interpretation and application of the Plan, the Grant Notice and this Agreement as are consistent therewith and to interpret, amend
or revoke any such rules. All actions taken and all interpretations and determinations made by the Administrator will be final and binding upon Participant, the Company and all other interested persons. To the extent allowable pursuant to Applicable
Law, no member of the Committee or the Board will be personally liable for any action, determination or interpretation made with respect to the Plan, the Grant Notice or this Agreement. 

3.2 RSUs Not Transferable. The RSUs may not be sold, pledged, assigned or transferred in any manner other than by will or the laws
of descent and distribution, unless and until the Shares underlying the RSUs have been issued, and all restrictions applicable to such Shares have lapsed. No RSUs or any interest or right therein or part thereof shall be liable for the debts,
contracts or engagements of Participant or his or her successors in interest or shall be subject to disposition by transfer, alienation, anticipation, pledge, encumbrance, assignment or any other means whether such disposition be voluntary or
involuntary or by operation of law by judgment, levy, attachment, garnishment or any other legal or equitable proceedings (including bankruptcy), and any attempted disposition thereof shall be null and void and of no effect, except to the extent
that such disposition is permitted by the preceding sentence. 
 3.3 Adjustments. The Administrator may accelerate the
vesting of all or a portion of the RSUs in such circumstances as it, in its sole discretion, may determine. Participant acknowledges that the 

  
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RSUs and the Shares subject to the RSUs are subject to adjustment, modification and termination in certain events as provided in this Agreement and Section 12.2 of the Plan. 

3.4 Notices. Any notice to be given under the terms of this Agreement to the Company shall be addressed to the Company in care of
the Secretary of the Company at the Company’s principal office, and any notice to be given to Participant shall be addressed to Participant at Participant’s last address reflected on the Company’s records. By a notice given pursuant
to this Section 3.4, either party may hereafter designate a different address for notices to be given to that party. Any notice shall be deemed duly given when sent via email or when sent by certified mail (return receipt requested) and
deposited (with postage prepaid) in a post office or branch post office regularly maintained by the United States Postal Service. 
 3.5 Titles. Titles are provided herein for convenience only and are not to serve as a basis for interpretation or construction of this Agreement. 

3.6 Governing Law. The laws of the State of Delaware shall govern the interpretation, validity, administration, enforcement and
performance of the terms of this Agreement regardless of the law that might be applied under principles of conflicts of laws. 

3.7 Conformity to Securities Laws. Participant acknowledges that the Plan, the Grant Notice and this Agreement are intended to
conform to the extent necessary with all Applicable Laws, including, without limitation, the provisions of the Securities Act and the Exchange Act, and any and all regulations and rules promulgated thereunder by the Securities and Exchange
Commission, and state securities laws and regulations. Notwithstanding anything herein to the contrary, the Plan shall be administered, and the RSUs are granted, only in such a manner as to conform to Applicable Law. To the extent permitted by
Applicable Law, the Plan and this Agreement shall be deemed amended to the extent necessary to conform to Applicable Law. 
 3.8
Amendment, Suspension and Termination. To the extent permitted by the Plan, this Agreement may be wholly or partially amended or otherwise modified, suspended or terminated at any time or from time to time by the Administrator or the
Board, provided that, except as may otherwise be provided by the Plan, no amendment, modification, suspension or termination of this Agreement shall adversely affect the RSUs in any material way without the prior written consent of
Participant. 
 3.9 Successors and Assigns. The Company may assign any of its rights under this Agreement to single or
multiple assignees, and this Agreement shall inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer set forth in Section 3.2 and the Plan, this Agreement shall be binding upon and inure to the
benefit of the heirs, legatees, legal representatives, successors and assigns of the parties hereto. 
 3.10 Limitations
Applicable to Section 16 Persons. Notwithstanding any other provision of the Plan or this Agreement, if Participant is subject to Section 16 of the Exchange Act, the Plan, the RSUs (including RSUs which result from the deemed
reinvestment of Dividend Equivalents), the Dividend Equivalents, the Grant Notice and this Agreement shall be subject to any additional limitations set forth in any applicable exemptive rule under Section 16 of the Exchange Act (including any
amendment to Rule 16b-3 of the Exchange Act) that are requirements for the application of such exemptive rule. To the extent permitted by Applicable Law, this Agreement shall be deemed amended to the extent necessary to conform to such applicable
exemptive rule. 
 3.11 Not a Contract of Employment. Nothing in this Agreement or in the Plan shall confer upon
Participant any right to continue to serve as an employee or other service provider of the Company 

  
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or any Subsidiary or shall interfere with or restrict in any way the rights of the Company and its Subsidiaries, which rights are hereby expressly reserved, to discharge or terminate the services
of Participant at any time for any reason whatsoever, with or without cause, except to the extent expressly provided otherwise in a written agreement between the Company or a Subsidiary and Participant. 

3.12 Entire Agreement. The Plan, the Grant Notice and this Agreement (including any exhibit hereto) constitute the entire
agreement of the parties and supersede in their entirety all prior undertakings and agreements of the Company and Participant with respect to the subject matter hereof. 
 3.13 Section 409A. This Award is not intended to constitute “nonqualified deferred compensation” within the meaning of Section 409A of the Code (together with any Department of
Treasury regulations and other interpretive guidance issued thereunder, including without limitation any such regulations or other guidance that may be issued after the date hereof, “Section 409A”). However, notwithstanding any
other provision of the Plan, the Grant Notice or this Agreement, if at any time the Administrator determines that this Award (or any portion thereof) may be subject to Section 409A, the Administrator shall have the right in its sole discretion
(without any obligation to do so or to indemnify Participant or any other person for failure to do so) to adopt such amendments to the Plan, the Grant Notice or this Agreement, or adopt other policies and procedures (including amendments, policies
and procedures with retroactive effect), or take any other actions, as the Administrator determines are necessary or appropriate for this Award either to be exempt from the application of Section 409A or to comply with the requirements of
Section 409A. 
 3.14 Agreement Severable. In the event that any provision of the Grant Notice or this Agreement is
held invalid or unenforceable, such provision will be severable from, and such invalidity or unenforceability will not be construed to have any effect on, the remaining provisions of the Grant Notice or this Agreement. 

3.15 Limitation on Participant’s Rights. Participation in the Plan confers no rights or interests other than as herein
provided. This Agreement creates only a contractual obligation on the part of the Company as to amounts payable and shall not be construed as creating a trust. Neither the Plan nor any underlying program, in and of itself, has any assets.
Participant shall have only the rights of a general unsecured creditor of the Company with respect to amounts credited and benefits payable, if any, with respect to the RSUs and Dividend Equivalents. 

3.16 Counterparts. The Grant Notice may be executed in one or more counterparts, including by way of any electronic signature,
subject to Applicable Law, each of which shall be deemed an original and all of which together shall constitute one instrument. 

3.17 Broker-Assisted Sales. In the event of any broker-assisted sale of shares of Stock in connection with the payment of
withholding taxes as provided in Section 2.5(a)(iii) or Section 2.5(a)(v): (A) any shares of Stock to be sold through a broker-assisted sale will be sold on the day the tax withholding obligation arises or as soon thereafter as
practicable; (B) such shares of Stock may be sold as part of a block trade with other participants in the Plan in which all participants receive an average price; (C) Participant will be responsible for all broker’s fees and other
costs of sale, and Participant agrees to indemnify and hold the Company harmless from any losses, costs, damages, or expenses relating to any such sale; (D) to the extent the proceeds of such sale exceed the applicable tax withholding
obligation, the Company agrees to pay such excess in cash to Participant as soon as reasonably practicable; (E) Participant acknowledges that the Company or its designee is under no obligation to arrange for such sale at any particular price,
and that the proceeds of any such sale may not be sufficient to satisfy the applicable tax withholding obligation; and (F) in the event the proceeds of such sale are insufficient to satisfy the applicable tax withholding obligation, Participant
agrees to pay immediately upon demand to 

  
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the Company or its Subsidiary with respect to which the withholding obligation arises an amount in cash sufficient to satisfy any remaining portion of the Company’s or the applicable
Subsidiary’s withholding obligation. 

*        *        * 

  
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