Pacific Rim Subsidiary Commences CAFTA Arbitration Proceedings Against the Government of El Salvador

(Pac Rim press release)

VANCOUVER, BRITISH COLUMBIA -- 04/30/09 -- Pac Rim Cayman LLC ("Pac Rim" or the "Company"), a Nevada corporation and a wholly-owned subsidiary of Pacific Rim Mining Corp. (TSX: PMU)(NYSE Alternext US: PMU)(NYSE Amex: PMU.A) ("Pacific Rim") has today filed international arbitration proceedings against the Government of El Salvador (the "Government") under the Central America-Dominican Republic-United States of America Free Trade Agreement ("CAFTA") in its own name and on behalf of its two wholly-owned El Salvadoran enterprises, Pacific Rim El Salvador, Sociedad Anonima de Capital Variable ("PRES") and Dorado Exploraciones, Sociedad Anonima de Capital Variable ("DOREX") (collectively, the "Enterprises"). The Company has retained the Washington, DC-based international law firm of Crowell & Moring, LLP to represent it in the arbitration. The Company will be seeking award of damages in the hundreds of millions of dollars from the Government for its multiple breaches of international and Salvadoran law.
(link to the complete press release)