EXHIBIT 3.1 AMENDMENT TO THE AMENDED AND RESTATED BY-LAWS OF SEACOR HOLDINGS INC. --------------------------------------------------------------------- Effective September 7, 2005, Article II, Section 2(a) of the Amended and Restated By-Laws of SEACOR Holdings Inc. was amended to delete the third sentence of such section and replace it with the following: "The number of directors constituting the entire Board shall be no less than five nor more than twelve, as may be fixed from time to time by action of a majority of the entire Board of Directors."