SEACOR Holdings Inc. (NYSE: CKH) todayannounced that its Board of Directors has increased its authorization forrepurchases of SEACOR's common stock and its 2.875% convertible seniordebentures due 2024 by $75.5 million for a total authorized expenditure ofup to $150 million for the purchase of such securities. In addition,SEACOR may purchase, separate from such authorization, any or all of its7.2% senior notes due 2009, its 5 7/8% senior notes due 2012, and the 91/2% senior notes due 2013 of Seabulk International, Inc., a wholly-ownedsubsidiary. The repurchase of securities may be conducted from time to timethrough open market purchases, privately negotiated transactions orotherwise depending on market conditions.

SEACOR is a global provider of marine support and transportation service,primarily to the energy and chemical industries. SEACOR and itssubsidiaries provide customers with a full suite of marine-related servicesincluding offshore services, U.S. coastwise shipping, inland riverservices, aviation services, environmental services, and offshore andharbor towing services. SEACOR is focused on providing highly responsivelocal service, combined with the highest safety standards, innovativetechnology, modern efficient equipment, and dedicated, professionalemployees.

This release includes "forward-looking statements" within the meaning ofthe Private Securities Litigation Reform Act of 1995. Such forward-lookingstatements concerning management's expectations, strategic objectives,business prospects, anticipated economic performance and financialcondition and other similar matters involve known and unknown risks,uncertainties and other important factors that could cause the actualresults, performance or achievements of results to differ materially fromany future results, performance or achievements discussed or implied bysuch forward-looking statements. Such risks, uncertainties and otherimportant factors include, among others: the conditions in the globalfinancial markets and international economic conditions including, interestrate fluctuations, availability of credit, inflation rates, change in laws,trade barriers, commodity prices and currency exchange fluctuations, thecyclical nature of the oil and gas industry, loss of U.S. coastwiseendorsement for the Seabulk Trader, a retrofitted double-hull tanker, ifthe company is unsuccessful in appealing a district court opinioninstructing the U.S.