New York, New York, USA, 11 August 2009 -- Mercer International Inc. (Nasdaq: MERC, TSX: MRI.U), a global pulp manufacturing company, today announced that it has extended its previously announced exchange offer for any and all of its outstanding 8.5% Convertible Senior Subordinated Notes due 2010. The Exchange Offer, previously scheduled to expire at 5:00 p.m., Eastern Time, on 11 August 2009, will now expire at 5:00 p.m., Eastern Time, on 25 August 2009, unless further extended or amended. All other terms and conditions of the Exchange Offer remain unchanged. As of 5:00 p.m., Eastern Time, on 11 August 2009, no Old Notes had been tendered for exchange.

Questions about the Exchange Offer or requests for additional copies of the Exchange Offer documentation may be directed to the Information Agent for the Exchange Offer, Georgeson Inc., at 1-800-267-4403 (toll free).