This excerpt taken from the ACI DEF 14A filed Mar 20, 2007.
Solicitation of Proxies
We are paying the cost of preparing, printing, and mailing these proxy materials, as well as the cost of any required solicitation. Some of our directors, officers and employees may participate in the solicitation on our behalf, without additional compensation, by telephone, e-mail or other electronic means or in person. In addition, we will reimburse banks, brokerage firms, and others for their reasonable expenses in forwarding proxy materials to beneficial owners and obtaining their instructions.