Unitil and Mirant Resolve Power Contract Issues


Hampton, NH - November 12, 2003: Unitil Corporation (AMEX: UTL) (www.unitil.com) today announced that its New Hampshire based utility subsidiaries, Unitil Energy Systems, Inc. (UES) and Unitil Power Corp. (UPC), have entered into a settlement with Mirant Americas Energy Marketing, L.P. (Mirant Americas), a subsidiary of Mirant (MIRKQ), with respect to the Portfolio Sale and Assignment and Transition and Default Service Supply Agreement among UES, UPC and Mirant Americas, in the Mirant bankruptcy case.

Under the terms of the settlement, Mirant Americas has agreed to assume and continue to fulfill its power purchase and sale obligations under the Agreement, to cure all pre-petition obligations, and to settle certain other disputes. Unitil has agreed to accelerate the payment of amounts it has held back from Mirant Americas.

"This agreement resolves a major source of uncertainty for our customers while insuring that they continue to receive the economic benefits of the deal, and allows both parties to continue doing business together under a contract beneficial to both sides," said Robert G. Schoenberger, Unitil's Chairman and Chief Executive Officer.

The Settlement is subject to approval by the U.S Bankruptcy Court in Mirant's ongoing bankruptcy proceeding.

Unitil is a public utility holding company with subsidiaries providing electric service in New Hampshire and electric and gas service in Massachusetts and energy services throughout the Northeast. Its subsidiaries include Unitil Energy Systems, Inc., Fitchburg Gas and Electric Light Company, Unitil Power Corp., Unitil Realty Corp., Unitil Service Corp. and its unregulated business segment Unitil Resources, Inc. Usource L.L.C. is a subsidiary of Unitil Resources, Inc.

This press release contains forward-looking statements, which are subject to the inherent uncertainties in predicting future results and conditions. All statements, other than statements of historical fact, are forward-looking statements. Certain factors that could cause the actual results to differ materially from those projected in these forward-looking statements include, but are not limited to the following: variations in weather; changes in the regulatory environment; customers' preferences on energy sources; general economic conditions; increased competition; fluctuations in supply, demand, transmission capacity and prices for energy commodities; and other uncertainties, all of which are difficult to predict, and many of which are beyond the control of Unitil Corporation.


For more information, visit Unitil at www.unitil.com or

Mark Collin

Corporate Office
Liberty Lane West
Hampton, NH 03842-1720