News Release

Allison Transmission Announces $300 Million Senior Notes Offering

INDIANAPOLIS, Sept. 21, 2017 /PRNewswire/ -- Allison Transmission Holdings Inc. (NYSE: ALSN) ("Allison" or the "Company") today announced that its wholly owned subsidiary, Allison Transmission, Inc. (the "Issuer"), commenced an offering of $300 million in aggregate principal amount of senior unsecured notes due 2027 (the "Notes") in a private placement exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"), subject to market conditions.

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The Notes will be guaranteed by each of the Issuer's existing and future domestic subsidiaries that is a borrower under or that guarantees obligations under the Issuer's senior secured credit facility, subject to certain exceptions.  On the issue date, it is expected that none of the Issuer's domestic subsidiaries will guarantee its obligations under the Issuer's senior secured credit facility, and therefore none of the Issuer's domestic subsidiaries will initially guarantee the Notes. The Issuer intends to use the net proceeds from the offering for general corporate purposes and to pay related transaction fees and expenses.

The Notes will be offered in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act, and to certain non-U.S. persons in transactions outside of the United States in reliance on Regulation S under the Securities Act. The Notes will not be registered under the Securities Act or the securities laws of any state or jurisdiction, and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements.

This press release shall not constitute an offer to sell or the solicitation of an offer to purchase the Notes, nor shall there be any sale of the Notes in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction.

About Allison Transmission

Allison Transmission (NYSE: ALSN) is the world's largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles and is a leader in hybrid-propulsion systems for city buses. Allison transmissions are used in a variety of applications including refuse, construction, fire, distribution, bus, motorhomes, defense and energy. Founded in 1915, the company is headquartered in Indianapolis, Indiana, USA and employs approximately 2,600 people worldwide. With a market presence in more than 80 countries, Allison has regional headquarters in the Netherlands, China and Brazil with manufacturing facilities in the U.S., Hungary and India. Allison also has approximately 1,400 independent distributor and dealer locations worldwide.

Forward-Looking Statements
This press release contains forward-looking statements. All statements other than statements of historical fact contained in this press release are forward-looking statements, including all statements regarding the offering of the Notes. 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; uncertainty in the global regulatory and business environments in which we operate; our participation in markets that are competitive; the highly cyclical industries in which certain of our end users operate; the failure of markets outside North America to increase adoption of fully-automatic transmissions; the concentration of our net sales in our top five customers and the loss of any one of these; future reductions or changes in government subsidies for hybrid vehicles and other external factors impacting demand; U.S. defense spending; general economic and industry conditions; 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; our ability to prepare for, respond to and successfully achieve our objectives relating to technological and market developments, competitive threats and changing customer needs; risks associated with our international operations; labor strikes, work stoppages or similar labor disputes, which could significantly disrupt our operations or those of our principal customers; our intention to pay dividends and repurchase shares of our common stock and other risks and uncertainties associated with our business described in our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K. 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.

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SOURCE Allison Transmission Holdings Inc.

Allison Transmission, Melissa Sauer, Executive Director, Corporate Affairs & Communications, melissa.sauer@allisontransmission.com, 317-242-5000