PNNW Pennichuck Corp. (MM)

Pennichuck Corporation (NASDAQ: PNNW) today announced that the Company's Board of Directors declared a quarterly dividend of $0.185 per share payable on June 1, 2011 to shareholders of record as of May 16, 2011. This quarterly dividend remains unchanged from the previous quarter and results in an annualized dividend rate of $0.74 per share.

About Pennichuck Corporation

Pennichuck Corporation is a holding company involved principally in the supply and distribution of potable water in New Hampshire through its three regulated water utilities. Its non-regulated, water-related activities include operations and maintenance contracts with municipalities and private entities in New Hampshire and Massachusetts. The Company's real estate operations are involved in the ownership, management and commercialization of real estate in southern New Hampshire.

Pennichuck Corporation's common stock trades on the Nasdaq Global Market under the symbol "PNNW." Upon completion of the transaction, Pennichuck's common stock will cease to be publicly traded. The Company's website is at www.pennichuck.com.

Forward-Looking Statements

This news release may contain certain forward-looking statements with respect to the financial condition, results of operations and business of Pennichuck Corporation. Forward-looking statements are based on current information and expectations available to management at the time the statements are made, and are subject to various factors, risks and uncertainties that could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These factors include, but are not limited to, a future judicial or regulatory determination that events prior to the November 11, 2010 effective date of our merger agreement with the City of Nashua constituted a final determination of the price to be paid under RSA 38:13 and triggered the statutory 90-day period within which the City was required to decide whether to take, by eminent domain, the assets of our Pennichuck Water Works, Inc. subsidiary; the expiration of said 90-day period without the City having made any such decision; whether the merger transaction is approved by our shareholders and the NHPUC; whether the merger transaction is ultimately consummated; the outcome of requests for rate relief from the NHPUC from time to time; changes in governmental regulations; legislation and/or regulation and accounting factors affecting Pennichuck Corporation's financial condition and results of operations; the availability and cost of capital, including the impact on our borrowing costs of changes in interest rates; and, the impact of weather. Investors are encouraged to access Pennichuck Corporation's annual and quarterly periodic reports filed with the Securities and Exchange Commission for financial and business information regarding Pennichuck Corporation, including a more detailed discussion of these and other risks and uncertainties that could affect Pennichuck Corporation's forward-looking statements. We undertake no obligation to update or revise publicly any forward-looking statement.

Additional Information and Where to Find It

Pennichuck Corporation plans to file with the U.S. Securities and Exchange Commission and mail to its shareholders a proxy statement in connection with the transaction (the "Proxy Statement"). The Proxy Statement will contain important information about Pennichuck Corporation, the proposed acquisition by the City of Nashua and related matters. EXISTING AND PROSPECTIVE PENNICHUCK CORPORATION SECURITY HOLDERS ARE URGED TO READ THE PROXY STATEMENT REGARDING THE PROPOSED TRANSACTION WHEN IT BECOMES AVAILABLE AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION.

Pennichuck Corporation security holders will be able to obtain free copies of the Proxy Statement and other documents filed with the SEC by Pennichuck Corporation through the web site maintained by the SEC at www.sec.gov. In addition, documents filed by Pennichuck Corporation with the SEC, including filings that will be incorporated by reference in the Proxy Statement, can be obtained, without charge, upon written request addressed to Roland E. Olivier, Secretary, Pennichuck Corporation, 25 Manchester Street, Merrimack, New Hampshire 03054.

Participants in the Solicitation

Pennichuck Corporation, its directors, executive officers and other members of management, and the City of Nashua and its officials and employees may be deemed to be participants in the solicitation of proxies in respect of the acquisition contemplated by the merger agreement. Information regarding Pennichuck Corporation's directors and executive officers is contained in Pennichuck Corporation's Annual Report on Form 10-K for the year ended December 31, 2010, as filed with the SEC on March 4, 2011; its proxy statement for its 2011 annual meeting, as filed with the SEC on March 25, 2011 and its proxy statement for its Special Meeting of shareholders to be held June 15, 2011, as filed with the SEC on April 22, 2011. Information about the City and its officials can be found at http://www.gonashua.com. Additional information regarding the interests of those participants may be obtained by reading the Proxy Statement regarding the proposed transaction when it becomes available. EXISTING AND PROSPECTIVE SECURITY HOLDERS SHOULD READ THE PROXY STATEMENT AND OTHER DOCUMENTS TO BE FILED WITH THE SEC CAREFULLY BEFORE MAKING AN INVESTMENT DECISION WITH RESPECT TO PENNICHUCK CORPORATION SECURITIES.

For More Information, Contact: Thomas C. Leonard Senior Vice President, Treasurer and Chief Financial Officer Phone: 603-913-2300 Fax: 603-913-2305