Attention Business Editors:

Northgate Minerals Corporation - Conference Call and Webcast Notice of Q3 Financial Results

    VANCOUVER, Oct. 6 /CNW/ - You are invited to participate in the Northgate
Minerals Corporation (TSX: NGX, AMEX: NXG) live conference call and webcast
discussing our third quarter financial results. The conference call and
webcast will take place on Tuesday, November 4, 2008 at 10:00 am Toronto time.
Northgate's third quarter financial results will be released before the market
opens on November 4.
    You may participate in the live conference call by dialing 416-644-3415
or toll free in North America at 1-800-732-9303. To ensure your participation,
please call five minutes prior to the scheduled start of the call.
    A live and archive webcast of this call, which includes the company's
presentation slides, will be made available on Northgate's website at
www.northgateminerals.com and on CNW's site at
http://www.newswire.ca/en/webcast/viewEvent.cgi?eventID=2432540.

    Conference Replay

    For those unable to participate in the conference call at the scheduled
time, a replay of the conference call will be available beginning on
November 4, 2008 at 12:00 p.m. ET until November 18, 2008 at 11:59 p.m. ET.

    <<
    Replay Access No. 416-640-1917 Passcode: 212 852 74 followed by the
    number sign
    Replay Access No. 877-289-8525 Passcode: 212 852 74 followed by the
    number sign
    >>

    Northgate Minerals Corporation is a mid-tier gold and copper producer
with mining operations, development projects and exploration properties in
Canada and Australia. The company is forecasting 385,000 ounces of unhedged
gold production in 2008 and is targeting growth through further acquisitions
in stable mining jurisdictions around the world. Northgate is listed on the
Toronto Stock Exchange under the symbol NGX and on the American Stock Exchange
under the symbol NXG.

For further information: Ms. Keren R. Yun, Investor Relations, Tel:
(416) 216-2781, Email: ngx@northgateminerals.com