Macquarie Infrastructure Company (NYSE: MIC) announced that it will accelerate the payment of its regular fourth quarter 2012 cash dividend of $0.6875 per share from March 2013 to December 2012. The accelerated dividend payment is intended by the MIC Board of Directors to be in lieu of the dividend that would otherwise have been payable in the first quarter of 2013; the Company does not anticipate paying a dividend in the first quarter of 2013. The cash dividend will be payable December 28, 2012 to holders of record December 24, 2012. About Macquarie Infrastructure Company Macquarie Infrastructure Company owns, operates and invests in a diversified group of infrastructure businesses providing basic, everyday services, to customers in the United States. Its businesses consist of three energy-related businesses including a gas production and distribution business (Hawaii Gas), a controlling interest in a district energy business (District Energy), and a 50% interest in a bulk liquid storage terminal business (International-Matex Tank Terminals). MIC also owns and operates an aviation-related airport services business (Atlantic Aviation). The Company is managed by a wholly-owned subsidiary of the Macquarie Group. For additional information, please visit the Macquarie Infrastructure Company website at www.macquarie.com/mic. MIC-G Forward-Looking Statements This filing contains forward-looking statements. MIC may, in some cases, use words such as "project”, "believe”, "anticipate”, "plan”, "expect”, "estimate”, "intend”, "should”, "would”, "could”, "potentially”, or "may” or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. Forward-looking statements in this release are subject to a number of risks and uncertainties, some of which are beyond MIC’s control including, among other things: changes in general economic or business conditions; its ability to service, comply with the terms of and refinance debt, successfully integrate and manage acquired businesses, retain or replace qualified employees, manage growth, make and finance future acquisitions, and implement its strategy; its shared decision-making with co-investors over investments including the distribution of dividends; its regulatory environment establishing rate structures and monitoring quality of service, demographic trends, the political environment, the economy, tourism, construction and transportation costs, air travel, environmental costs and risks, fuel and gas costs; its ability to recover increases in costs from customers, reliance on sole or limited source suppliers, risks or conflicts of interests involving its relationship with the Macquarie Group and changes in U.S. federal tax law.