Arch Coal has signed a five-year agreement with Canadian Crown Corporation Ridley Terminals (RTI) on coal exports to Pacific Coast.

As per the agreement, Arch will have an output of two million metric tonnes (mmt) of coal for 2011 at the terminal and up to 2.5mmt of coal for 2012 through 2015.

Arch chairman and CEO Steven Leer said this deal complements its investment in the Millennium Bulk Terminal and will facilitate the expansion of its business into the Asia Pacific region.

RTI president George Dorsey said the agreement will enable the company to double its capacity by 2015.

RTI aims to reach 24mmt coal loading capacity per annum by 2015 from its current 12mmt capacity.