Additional Public Hearings Announced for Northgate's Kemess North Project.

VANCOUVER, British Columbia -- Northgate Minerals Corporation (TSX: NGX)(AMEX: NXG) confirmed today that the Joint Federal-Provincial Environmental Review Panel for the Kemess North Project has announced additional public hearings on the Project to take place from May 14 to 17, 2007, in Smithers, British Columbia. The public hearings are being held to "obtain additional information from First Nations" and to "provide an opportunity to other parties who may wish to provide final submissions to the Panel."

Upon close of the public hearings, the Panel's terms of reference require them to submit their final report on the Kemess North Project to the Federal and Provincial Ministers within 60 days.

More information on the Kemess North environmental review process and the upcoming public hearings can be found at www.ceaa-acee.gc.ca/050/viewer_e.cfm?cear_id=3394 or on Northgate's website at www.northgateminerals.com.

Northgate Minerals Corporation is a gold and copper mining company focused on operations and opportunities in the Americas. The Corporation's principal assets are the Kemess South mine in north-central British Columbia, the adjacent Kemess North deposit, which contains a proven and probable reserve of 4.1 million ounces of gold, and the Young-Davidson property in northern Ontario with a total resource base of 2.1 million ounces of gold. Northgate is listed on the Toronto Stock Exchange under the symbol NGX and on the American Stock Exchange under the symbol NXG.

Forward-Looking Statements

This news release includes certain "forward-looking statements" within the meaning of section 21E of the United States Securities Exchange Act of 1934, as amended. These forward-looking statements include estimates, forecasts, and statements as to management's expectations with respect to, among other things, future metal production and production costs, potential mineralization and reserves, exploration results, progress in the development of mineral properties, demand and market outlook for commodities and future plans and objectives of Northgate Minerals Corporation (Northgate). Forward-looking statements generally can be identified by the use of forward-looking terminology such as "may," "will," "expect," "intend," "estimate," "anticipate," "believe," or "continue" or the negative thereof or variations thereon or similar terminology. Forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable by management are inherently subject to significant business, economic and competitive uncertainties and contingencies. There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from Northgate's expectations are disclosed under the heading "Risk and Uncertainties" in Northgate's 2006 Annual Report and under the heading "Risk Factors" in Northgate's 2006 Annual Information Form (AIF) both of which are filed with Canadian regulators on SEDAR (www.sedar.com) and with the United States Securities and Exchange Commission (www.sec.gov). Northgate expressly disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise.