Allison Transmission Holdings Inc (ALSN): Jeff Ubben’s ValueAct Capital Unloads 23% of Its Shares

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Page 11 of 11 – SEC Filing
SCHEDULE 13D
————————– ————————-
CUSIP NO. 01973R101 Page 11 of 12
—————————————————————————–

ValueAct Holdings, L.P., by
ValueAct Holdings GP, LLC, its
General Partner

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Holdings GP, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

SCHEDULE 13D
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CUSIP NO. 01973R101 Page 12 of 12
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Exhibit 1

JOINT FILING UNDERTAKING

The undersigned parties hereby agree that the Schedule 13D filed herewith
(and any amendments thereto) relating to the Common Stock of Allison
Transmission Holdings, Inc., is being filed jointly on behalf of each of them
with the Securities and Exchange Commission pursuant to Section 13(d) of the
Securities Exchange Act of 1934, as amended.

ValueAct Capital Master Fund L.P., by
VA Partners I, LLC, its General Partner

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

VA Partners I, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Capital Management, L.P., by
ValueAct Capital Management, LLC its
General Partner

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Capital Management, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Holdings, L.P., by
ValueAct Holdings GP, LLC, its
General Partner

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

ValueAct Holdings GP, LLC

By: /s/ Bradley E. Singer
————————————–
Dated: October 31, 2016 Bradley E. Singer, Chief Operating Officer

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