Allison announced changes that will affect the participants of the Allison Transmission Salary Employee Retirement Savings Plan and the Allison Transmission Hourly Employee Retirement Savings Plan.

The following investment options are closed to new investments as of 4:00 PM on August 3, 2009:

Fidelity Value Fund
Fidelity Mid Cap Stock Fund
Fidelity Real Estate Investment Portfolio

The following investment options are added as of August 3, 2009:

Artisan Mid Cap Value Fund - Investor Class
Jennison Mid Cap Growth Fund – A

Anyone that was making contributions to the funds that will be closing, will have needed to redirect them by 4:00 PM on August 3, 2009. If no change was made, future contributions to the closed funds would have been redirected automatically according to the following table.

Fidelity Value Fuind To Artisan Mid Cap Value Fund

Fidelity Mid Cap Stock Fund To Jennison Mid Cap Growth Fund

Fidelity Real Estate Investment To Vanguard REIT Index Fund