NEWS RELEASE TRANSMITTED BY CCNMatthews

FOR:  METHANEX CORPORATION

TSX SYMBOL:  MX
NASDAQ SYMBOL:  MEOH

NOVEMBER 12, 2004 - 16:15 ET

Methanex Corporation to Present at the Lehman Brothers 
Small Cap Conference

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - Nov. 12, 2004) - Methanex 
Corporation (TSX:MX)(Nasdaq:MEOH) will be presenting at the upcoming 
Lehman Brothers Small Cap Conference being held November 17 through 
November 19, 2004 in Scottsdale, Arizona. Mr. Ian Cameron, Methanex's 
Senior Vice President, Finance and Chief Financial Officer, will speak 
to investors on Friday, November 19th at approximately 1:20 p.m. Eastern 
Time.

Interested participants can access a live audio webcast of the 
presentation and slide materials through the Company's website at 
www.methanex.com/investor/events.html. The webcast will last for 
approximately 30 minutes.

Methanex is the world's largest producer and marketer of methanol. 
Methanex shares are listed for trading on the Toronto Stock Exchange in 
Canada under the trading symbol "MX" and on the Nasdaq National Market 
in the United States under the trading symbol "MEOH."

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For further information please contact:

Methanex Corporation
Chris Cook
Director, Investor Relations
(604) 661-2600 or Toll-Free: 1-800-661-8851
Website: www.methanex.com