SEACOR to Adjust Conversion Rate of Its 2.50% Convertible Senior Notes Due 2027 for Special Cash Dividend

As a result of the $5.00 per share Special Dividend SEACOR Holdings CKH ("SEACOR") Board of Directors declared on December 7, 2012, payable to holders of its common stock, SEACOR will adjust the conversion rate applicable to its 2.50% convertible senior notes due 2027 (the "notes"). Notice of the adjustment to the conversion rate will be sent to holders of the notes shortly after the ex-dividend date for the Special Dividend and SEACOR will issue a press release with the new conversion rate shortly after the ex-dividend date for the Special Dividend.