Allison Transmission Holdings, Inc. Adds David Denison to Board of Directors

 Allison Transmission Holdings, Inc. Adds David Denison to Board of Directors

PR Newswire

INDIANAPOLIS, Feb. 14, 2013

INDIANAPOLIS, Feb. 14, 2013 /PRNewswire/ -- Allison Transmission Holdings,
Inc. (NYSE: ALSN) announced today that David Denison has been appointed to its
Board of Directors.

(Logo: http://photos.prnewswire.com/prnh/20120702/DE33547LOGO )

"We are delighted that David has agreed to join our Board of Directors," said
Lawrence E. Dewey, Chairman of the Board of Directors. "His financial acumen
and business perspectives will be of great value to Allison and we look
forward to his contributions."

Mr. Denison's initial term will expire at the 2013 annual meeting of
stockholders. Mr. Denison will be included as a nominee for re-election at the
meeting. The Board also appointed Mr. Denison to serve on the Audit Committee.

David Denison has extensive experience in the financial services industry,
most recently serving as President and Chief Executive Officer of the Canada
Pension Plan (CPP) Investment Board from 2005 to 2012. He has held senior
positions in the investment, consulting and asset management businesses in
Canada, the United States and Europe. Prior to his appointment to the CPP
Investment Board, Mr. Denison was President of Fidelity Investments Canada
Limited. Mr. Denison earned Bachelor degrees in mathematics and education
from the University of Toronto and is a Chartered Accountant and a Fellow of
the Institute of Chartered Accountants of Ontario.

About Allison Transmission

Allison Transmission is the world's largest manufacturer of fully-automatic
transmissions for medium- and heavy-duty commercial vehicles, medium- and
heavy-tactical U.S. military vehicles and hybrid-propulsion systems for
transit buses. Allison transmissions are used in a variety of applications
including on-highway trucks (distribution, refuse, construction, fire and
emergency), buses (primarily school and transit), motor homes, off-highway
vehicles and equipment (primarily energy and mining) and military vehicles
(wheeled and tracked). Founded in 1915, the Allison business is headquartered
in Indianapolis, Indiana, U.S.A. and employs approximately 2,800 people.
Allison has manufacturing facilities and customization centers located in
China, The Netherlands, Brazil, India and Hungary. With a global presence,
serving customers in North America, Europe, Asia, Australia, South America,
and Africa, Allison also has over 1,500 independent distributor and dealer
locations worldwide. More information about Allison is available at
www.allisontransmission.com.

Forward-Looking Statements

This press release may contain forward-looking statements. All statements
other than statements of historical fact contained in this press release are
forward-looking statements. In some cases, you can identify forward-looking
statements by terminology such as "may," "will," "should," "expect," "plans,"
"project," "anticipate," "believe," "estimate," "predict," "intend,"
"forecast," "could," "potential," "continue" or the negative of these terms or
other similar terms or phrases. Forward-looking statements are not guarantees
of future performance and involve known and unknown risks. Factors which may
cause the actual results to differ materially from those anticipated at the
time the forward-looking statements are made include, but are not limited to:
risks related to our substantial indebtedness; our participation in markets
that are competitive; general economic and industry conditions; our ability to
prepare for, respond to and successfully achieve our objectives relating to
technological and market developments and changing customer needs; the failure
of markets outside North America to increase adoption of fully-automatic
transmissions; the discovery of defects in our products, resulting in delays
in new model launches, recall campaigns and/or increased warranty costs and
reduction in future sales or damage to our brand and reputation; the
concentration of our net sales in our top five customers and the loss of any
one of these; risks associated with our international operations; brand and
reputational risks; our intention to pay dividends; and labor strikes, work
stoppages or similar labor disputes, which could significantly disrupt our
operations or those of our principal customers. Although we believe the
expectations reflected in such forward-looking statements are based upon
reasonable assumptions, we can give no assurance that the expectations will be
attained or that any deviation will not be material. All information is as of
the date of this press release, and we undertake no obligation to update any
forward-looking statement to conform the statement to actual results or
changes in expectations.

SOURCE Allison Transmission Holdings, Inc.

Website: http://www.allisontransmission.com
Contact: Melissa Sauer, Allison Transmission Inc., +1-317-242-5000,
melissa.sauer@allisontransmission.com