SEACOR Holdings Inc. said that its Board of Directors has increased by $82.6 million its authorization for repurchases pursuant to its previously announced securities repurchase program. With this increase, SEACOR has approximately $100 million available for such purchases. The securities covered by the repurchase program include SEACOR's common stock, its 7.2% senior notes due 2009, its 5 7/8% senior notes due 2012, its 2.875% convertible senior debentures due 2024, and the 9 1/2% senior notes due 2013 of Seabulk International, Inc., a wholly-owned subsidiary. The repurchase of securities may be conducted from time to time through open market purchases, privately negotiated transactions or otherwise depending on market conditions.