PRESQUE ISLE, ME -- (MARKET WIRE) -- 04/09/2007 -- Maine & Maritimes Corporation (AMEX: MAM) announced today that Michael I. Williams, Senior Vice President and Chief Financial Officer, and Annette N. Arribas, Vice President, Investor Relations, Corporate Compliance and Treasurer, will present at this year's Wall Street Access Midwest Utilities Seminar being held at The Park Hyatt Chicago on April 10-12, 2007. Mr. Williams and Ms. Arribas are scheduled to speak at 5:15 p.m. on April 11, 2007.

The presentation will be available for viewing in the Investor Relations section on the Maine & Maritimes web site (www.maineandmaritimes.com) under presentations.

MAM-G = General Releases

About Maine & Maritimes Corporation

Maine & Maritimes Corporation (AMEX: MAM) is the parent company of Maine Public Service Company, a regulated electric transmission and distribution utility serving approximately 35,000 electricity customers in Northern Maine. MAM is also the parent company for subsidiaries involved in unregulated operations such as engineering and real estate. Corporate headquarters are located in Presque Isle, Maine and the corporate website is www.maineandmaritimes.com.