BURBANK, CA--(Marketwire - May 25, 2010) -  MASTODON regrets to inform their fans that their upcoming Summer tour of Europe, originally set to begin June 5 in Germany and ending July 3 in Finland, has been cancelled. Guitarist Bill Kelliher, who has been diagnosed with Pancreatitis, has been advised by doctors to continue further medical treatment. Bill's medical team is optimistic and expects a full recovery in the weeks ahead as the band looks forward to being part of BlackDiamondSkye, also featuring Alice In Chains and Deftones, and slated to begin Sep. 16 in Chicago.

 For further information contact Rick Gershon at Warner Bros. Records Publicity:
818-953-3473 / rick.gershon@wbr.com

Info, tour dates, merch and much more available at:
 www.mastodonrocks.com and www.cracktheskye.com