Schedule 13G

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No.     )

 

 

ALLISON TRANSMISSION HOLDINGS, INC.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

01973R101

(CUSIP Number)

December 31, 2012

(Date of Event Which Requires Filing of this Statement)

 

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

¨ Rule 13d-1(c)

x Rule 13d-1(d)

 

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

 


SCHEDULE 13G

 

CUSIP No. 01973R101   Page 1 of 22

 

 

  1   

Names of reporting persons

 

Onex Corporation

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Ontario, Canada

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    73,985,653

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    73,985,653

  9  

Aggregate amount beneficially owned by each reporting person

 

    73,985,653

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    40.5%

12  

Type of reporting person

 

    CO


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 2 of 22

 

  1   

Names of reporting persons

 

Gerald W. Schwartz

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Not applicable

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    75,348,749

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    75,348,749

  9  

Aggregate amount beneficially owned by each reporting person

 

    75,348,749

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    41.3%

12  

Type of reporting person

 

    IN


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 3 of 22

 

  1   

Names of reporting persons

 

Onex Partners GP Inc.

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    50,442,591

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    50,442,591

  9  

Aggregate amount beneficially owned by each reporting person

 

    50,442,591

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    27.6%

12  

Type of reporting person

 

    CO


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 4 of 22

 

  1   

Names of reporting persons

 

Onex Partners II GP LP

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    50,442,591

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    50,442,591

  9  

Aggregate amount beneficially owned by each reporting person

 

    50,442,591

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    27.6%

12  

Type of reporting person

 

    PN


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 5 of 22

 

  1   

Names of reporting persons

 

Onex Partners II LP

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    34,064,491

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    34,064,491

  9  

Aggregate amount beneficially owned by each reporting person

 

    34,064,491

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    18.7%

12  

Type of reporting person

 

    PN


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 6 of 22

 

  1   

Names of reporting persons

 

Onex American Holdings II LLC

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    23,543,062

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    23,543,062

  9  

Aggregate amount beneficially owned by each reporting person

 

    23,543,062

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    12.9%

12  

Type of reporting person

 

    OO (Limited Liability Company)


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 7 of 22

 

  1   

Names of reporting persons

 

Allison Executive Investco LLC

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    22,901,322

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    22,901,322

  9  

Aggregate amount beneficially owned by each reporting person

 

    22,901,322

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    12.5%

12  

Type of reporting person

 

    OO (Limited Liability Company)


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 8 of 22

 

  1   

Names of reporting persons

 

Allison Executive Investco II LLC

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    22,901,322

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    22,901,322

  9  

Aggregate amount beneficially owned by each reporting person

 

    22,901,322

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    12.5%

12  

Type of reporting person

 

    OO (Limited Liability Company)


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 9 of 22

 

  1   

Names of reporting persons

 

Onex American Holdings Subco LLC

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    22,901,322

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    22,901,322

  9  

Aggregate amount beneficially owned by each reporting person

 

    22,901,322

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    12.5%

12  

Type of reporting person

 

    OO (Limited Liability Company)


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 10 of 22

 

  1   

Names of reporting persons

 

OAH Wind LLC

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    22,901,322

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    22,901,322

  9  

Aggregate amount beneficially owned by each reporting person

 

    22,901,322

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    12.5%

12  

Type of reporting person

 

    OO (Limited Liability Company)


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 11 of 22

 

  1   

Names of reporting persons

 

Onex Allison Holding Ltd S.à r.l.

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Luxembourg

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    22,901,322

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    22,901,322

  9  

Aggregate amount beneficially owned by each reporting person

 

    22,901,322

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    12.5%

12  

Type of reporting person

 

    CO (Luxembourg Corporation)


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 12 of 22

 

  1   

Names of reporting persons

 

Onex Allison Co-Invest LP

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    16,057,930

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    16,057,930

  9  

Aggregate amount beneficially owned by each reporting person

 

    16,057,930

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    8.8%

12  

Type of reporting person

 

    PN


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 13 of 22

 

  1   

Names of reporting persons

 

1597257 Ontario Inc.

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Ontario, Canada

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    1,363,096

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    1,363,096

  9  

Aggregate amount beneficially owned by each reporting person

 

    1,363,096

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    0.8%

12  

Type of reporting person

 

    CO


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 14 of 22

 

  1   

Names of reporting persons

 

Onex American Holdings GP LLC

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    641,740

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    641,740

  9  

Aggregate amount beneficially owned by each reporting person

 

    641,740

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    0.4%

12  

Type of reporting person

 

    OO (Limited Liability Company)


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 15 of 22

 

  1   

Names of reporting persons

 

Onex US Principals LP

  2  

Check the appropriate box if a member of a group

(a)  ¨        (b)  ¨

 

  3  

SEC use only

 

  4  

Citizen or place of organization

 

    Delaware

Number of

shares

beneficially

owned by

each

reporting

person

with

     

Sole voting power

 

    0

   6   

Shared voting power

 

    641,740

   7   

Sole dispositive power

 

    0

   8   

Shared dispositive power

 

    641,740

  9  

Aggregate amount beneficially owned by each reporting person

 

    641,740

10  

Check if the aggregate amount in Row (9) excludes certain shares

 

    Not Applicable

11  

Percent of class represented by amount in Row 9

 

    0.4%

12  

Type of reporting person

 

    PN


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 16 of 22

 

ITEM 1.  

(a)

   Name of Issuer:      
    

Allison Transmission Holdings, Inc. (the “Issuer”)

     
 

(b)

   Address of Issuer’s Principal Executive Offices:      
    

One Allison Way

Indianapolis, IN 46222

     
ITEM 2.  

(a)

   Name of Person Filing:      
    

Each of the following is hereinafter individually referred to as a “Reporting Person” and collectively as the “Reporting Persons.” This statement is filed on behalf of:

     
    

Onex Corporation

Gerald W. Schwartz

Onex Partners GP Inc.

Onex Partners II GP LP

Onex Partners II LP

Onex American Holdings II LLC

Allison Executive Investco LLC

Allison Executive Investco II LLC

Onex American Holdings Subco LLC

OAH Wind LLC

Onex Allison Holding Ltd S.à r.l.

Onex Allison Co-Invest LP

1597257 Ontario Inc.

Onex American Holdings GP LLC

Onex US Principals LP

     
 

(b)

   Address or Principal Business Office:      
    

The business address of each of the Reporting Persons is c/o Onex Corporation, 161 Bay Street, Toronto, A6, M5J2S1.

     
 

(c)

   Citizenship of each Reporting Person is:      
    

Onex Corporation and 1597257 Ontario Inc. are organized in the province of Ontario, Canada. Onex Allison Holding Ltd S.à r.l. is organized in the Grand Duchy of Luxembourg. Each of the other Reporting Persons is organized in the state of Delaware.

     
 

(d)

   Title of Class of Securities:      
    

Common stock, $0.01 par value per share (“Common Stock”)

     


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 17 of 22

 

 

(e)

   CUSIP Number:      
    

01973R101

     

 

ITEM 3.

        
      Not Applicable      
Item 4.    Ownership.      

Ownership (a-c)

The ownership information presented below represents beneficial ownership of Common Stock of the Issuer as of December 31, 2012, based upon 182,666,614 shares of the Issuer’s Common Stock outstanding as of October 22, 2012.

 

Reporting Person   

Amount

beneficially

owned

    

Percent

of class:

    Sole
power
to vote or
to direct
the vote:
     Shared
power to
vote or to
direct the
vote:
    

Sole
power to
dispose or
to direct
the
disposition

of:

    

Shared

power to

dispose or

to direct

the

disposition

of:

 

Onex Corporation

     73,985,653         40.5     0         73,985,653         0         73,985,653   

Gerald W. Schwartz

     75,348,749         41.3     0         75,348,749         0         75,348,749   

Onex Partners GP Inc.

     50,442,591         27.6     0         50,442,591         0         50,442,591   

Onex Partners II GP LP

     50,442,591         27.6     0         50,442,591         0         50,442,591   

Onex Partners II LP

     34,064,491         18.7     0         34,064,491         0         34,064,491   

Onex American Holdings II LLC

     23,543,062         12.9     0         23,543,062         0         23,543,062   

Allison Executive Investco LLC

     22,901,322         12.5     0         22,901,322         0         22,901,322   

Allison Executive Investco II LLC

     22,901,322         12.5     0         22,901,322         0         22,901,322   

Onex American Holdings Subco LLC

     22,901,322         12.5     0         22,901,322         0         22,901,322   

OAH Wind LLC

     22,901,322         12.5     0         22,901,322         0         22,901,322   

Onex Allison Holding Limited S.à r.l.

     22,901,322         12.5     0         22,901,322         0         22,901,322   

Onex Allison Co-Invest LP

     16,057,930         8.8     0         16,057,930         0         16,057,930   

1597257 Ontario Inc.

     1,363,096         0.8     0         1,363,096         0         1,363,096   

Onex American Holdings GP LLC

     641,740         0.4     0         641,740         0         641,740   

Onex US Principals LP

     641,740         0.4     0         641,740         0         641,740   

Onex Partners II LP is the record holder of 34,064,491 shares of common stock; Onex Allison Holding Limited S.à r.l. is the record holder of 22,901,322 shares of common stock; Onex Allison Co-Invest LP is the record holder of 16,057,930 shares of common stock; Onex US Principals LP is the record holder of 641,740 shares of common stock; and Onex Partners II GP LP is the record holder of 320,170 shares of common stock.


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 18 of 22

 

Onex Corporation may be deemed to beneficially own the common stock held by (a) Onex Partners II LP, through Onex Corporation’s ownership of all of the common stock of Onex Partners GP Inc., the general partner of Onex Partners II GP LP, the general partner of Onex Partners II LP; (b) Onex Allison Holding Limited S.à r.l., through Onex Corporation’s ownership of all of the equity of Onex American Holdings II LLC, which owns all of the equity of each of Allison Executive Investco LLC, which owns all of the equity of Allison Executive Investco II LLC, and Onex American Holdings Subco LLC, which owns all of the equity of OAH Wind LLC, which OAH Wind LLC and Allison Executive Investco II LLC own all of the equity of Onex Allison Holding Limited S.à r.l.; (c) Onex Allison Co-Invest LP, through Onex Corporation’s ownership of all of the common stock of Onex Partners GP Inc., the general partner of Onex Partners II GP LP, the general partner of Onex Allison Co-Invest LP; (d) Onex US Principals LP, through Onex Corporation’s ownership of all of the equity of Onex American Holdings II LLC, which owns all of the equity of Onex American Holdings GP LLC, the general partner of Onex US Principals LP; and (e) Onex Partners II GP LP, through Onex Corporation’s ownership of all of the common stock of Onex Partners GP Inc., the general partner of Onex Partners II GP LP.

1597257 Ontario Inc. is the record holder of 1,361,911 shares of common stock and 1,185 shares of non-voting common stock. 1597257 Ontario Inc. is an independent entity that is controlled by Mr. Gerald W. Schwartz. Mr. Schwartz, the Chairman, President and Chief Executive Officer of Onex Corporation, owns shares representing a majority of the voting rights of the shares of Onex Corporation and as such may be deemed to beneficially own all of the common stock owned beneficially by Onex Corporation. Mr. Schwartz disclaims any such beneficial ownership. Mr. Schwartz has indirect voting and investment control of Onex Corporation.

 

ITEM 5. Ownership of Five Percent or Less of a Class

Not applicable.

 

ITEM 6. Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

 

ITEM 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company

Not applicable.

 

ITEM 8. Identification and Classification of Members of the Group

Not applicable.

 

ITEM 9. Notice of Dissolution of Group

Not applicable.


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 19 of 22

 

ITEM 10. Certification

Not applicable.


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 20 of 22

 

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 14, 2013

 

ONEX CORPORATION
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
GERALD W. SCHWARTZ
By:  

/s/ Gerald W. Schwartz

Name:   Gerald W. Schwartz
ONEX PARTNERS GP INC.
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX PARTNERS II GP LP
By:   Onex Partners GP Inc., General Partner
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX PARTNERS II LP
By   Onex Partners II GP LP, General Partner
By   Onex Partners Manager LP, its Agent
By   Onex Partners Manager GP ULC, its General Partner
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX AMERICAN HOLDINGS II LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 21 of 22

 

ALLISON EXECUTIVE INVESTCO LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ALLISON EXECUTIVE INVESTCO II LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX AMERICAN HOLDINGS SUBCO LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
OAH WIND LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX ALLISON HOLDING LIMITED S.À R.L.
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX ALLISON CO-INVEST LP
By:   Onex Partners II GP LP, its General Partner
By:   Onex Partners Manager LP, its Agent
By:   Onex Partners Manager GP ULC, its General Partner
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
1597257 ONTARIO INC.
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person


  SCHEDULE 13G  

 

CUSIP No. 01973R101

   

 

Page 22 of 22

 

ONEX AMERICAN HOLDINGS GP LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX US PRINCIPALS LP
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person


LIST OF EXHIBITS

 

Exhibit
No.

  

Description

99    Joint Filing Agreement
EX-99

Exhibit 99

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each other on behalf of each of them of such a statement on Schedule 13G with respect to the common stock beneficially owned by each of them of Allison Transmission Holdings, Inc. This Joint Filing Agreement shall be included as an Exhibit to such Schedule 13G.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 14th day of February, 2013.

 

ONEX CORPORATION
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
GERALD W. SCHWARTZ
By:  

/s/ Gerald W. Schwartz

Name:   Gerald W. Schwartz
ONEX PARTNERS GP INC.
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX PARTNERS II GP LP
By:   Onex Partners GP Inc., General Partner
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX PARTNERS II LP
By   Onex Partners II GP LP, General Partner
By   Onex Partners Manager LP, its Agent
By   Onex Partners Manager GP ULC, its General Partner
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person


ONEX AMERICAN HOLDINGS II LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ALLISON EXECUTIVE INVESTCO LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ALLISON EXECUTIVE INVESTCO II LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX AMERICAN HOLDINGS SUBCO LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
OAH WIND LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX ALLISON HOLDING LIMITED S.À R.L.
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX ALLISON CO-INVEST LP
By:   Onex Partners II GP LP, its General Partner
By:   Onex Partners Manager LP, its Agent
By:   Onex Partners Manager GP ULC, its General Partner
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person


1597257 ONTARIO INC.
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX AMERICAN HOLDINGS GP LLC
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person
ONEX US PRINCIPALS LP
By:  

/s/ Andrea E. Daly

Name:   Andrea E. Daly
Title:   Authorized Person