INDIANAPOLIS – Allison Transmission Holdings has announced a proposed secondary offering of 22 million shares of its common stock by investment funds affiliated with The Carlyle Group and Onex Corp.
 
A group led by BofA Merrill Lynch, Citigroup and J.P. Morgan will act as the underwriters in the proposed registered public offering of those shares. In addition, the underwriters will have an option to purchase up to 3.3 million additional shares from the sponsors. All of the shares are being sold on a pro rata basis by the sponsors, which are existing stockholders of Allison Transmission Holdings Inc., in accordance with their current interests.
 
Following the offering, the sponsors will continue to beneficially own an aggregate of approximately 128,697,499 shares, or approximately 70 percent in the aggregate, of Allison’s outstanding common stock after giving effect to the offering (or approximately 125,397,499 shares, or approximately 68 percent in the aggregate if the underwriters fully exercise their option to purchase additional shares). The total number of outstanding shares of Allison’s common stock will not change as a result of the offering.