Allison Transmission to Host International Bus Competition

          Allison Transmission to Host International Bus Competition

Transit bus operators and mechanics will compete for awards in five categories

PR Newswire

INDIANAPOLIS, April 24, 2013

INDIANAPOLIS, April 24, 2013 /PRNewswire/ -- Allison Transmission Holdings
Inc. (NYSE: ALSN) today announced that it will host the 2013 International Bus
Roadeo on May 5 in collaboration with IndyGo, the largest public transit
provider in Indiana. Organized by the American Public Transportation
Association (APTA), the annual competition will take place on the campus of
Allison's global headquarters.

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"As the world's leading provider of fully-automatic transmissions and
hybrid-propulsion systems for buses, this event is a natural fit for us," said
Jim Wanaselja, vice president of North America marketing, sales and service
for Allison Transmission. "We're pleased to have this opportunity to host the
industry's top professionals."

Michael Terry, president and CEO of IndyGo, said, "This year's Roadeo provides
a fantastic opportunity for IndyGo and Allison to work together on a new
stage. Allison staff and management have been indispensable partners in
executing this large-scale event."

Approximately 500 people are expected to attend this year's Roadeo. The
competition includes events for both bus operators and bus mechanics. Awards
are given in each group and there is an overall grand prize for the public
transit system with the highest combined score for the bus operator and bus
maintenance team.

"The International Bus Roadeo is a unique opportunity for transit agency bus
professionals to showcase their skills and knowledge," said Michael Melaniphy,
president and CEO of APTA. "This competition of driving skills and maintenance
disciplines allows the best bus operators and maintainers to compete and be

The competition takes place just before the opening of the APTA Bus and
Paratransit Conference, which will be held in Indianapolis at the JW Marriott
from May 5-8. Roadeo activities start with an orientation on May 3 and
culminate on May 7 with an evening banquet at which the 2013 winners will be

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, Ind., USA 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 approximately 1,400 independent distributor and dealer
locations worldwide. More information about Allison is available at 

About the American Public Transportation Association (APTA)
The American Public Transportation Association (APTA) is a nonprofit
international association of 1,500 public and private sector organizations,
engaged in the areas of bus, paratransit, light rail, commuter rail, subways,
waterborne services, and intercity and high-speed passenger rail. This
includes: transit systems; planning, design, construction, and finance firms;
product and service providers; academic institutions; transit associations and
state departments of transportation. APTA is the only association in North
America that represents all modes of public transportation. APTA members serve
the public interest by providing safe, efficient and economical transit
services and products More than 90 percent of the people using public
transportation in the United States and Canada ride APTA member systems.

About IndyGo
IndyGo, the Indianapolis Public Transportation Corporation, provides public
bus transit services to residents and visitors throughout Marion County.
IndyGo is led by President and Chief Executive Officer, Mike Terry, and a
seven-member, bipartisan board appointed by the Mayor of Indianapolis and the
City-County Council of Indianapolis and Marion County. With 30 local service
fixed routes and an ADA-compliant paratransit service, IndyGo provides an
average of nine million trips per year. Visit or call
317.635.3344 for more information. Find IndyGo on Twitter at IndyGoBus or
Facebook by searching pages "IndyGo."

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

Contact: Melissa Sauer, Allison Transmission Inc.,, 317-242-5000
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