Tidewater Announces Conference Call.

NEW ORLEANS -- Tidewater Inc. (NYSE: TDW) announced today that its fiscal 2007 second quarter (ended September 30, 2006) earnings release and conference call have been scheduled for Wednesday, October 25, 2006. The press release will be issued before the market opens and the conference call will begin at 9:00 a.m. CDST.

Investors and interested parties may listen to the teleconference via telephone by calling 1-888-388-7493 if calling from the U.S. or Canada (1-706-679-8348 if calling from outside the U.S.) and ask for the "Tidewater" call just prior to the scheduled start. A replay of the conference call will be available beginning at 10:00 a.m. CDST on October 26, 2006, and will continue until 11:59 p.m. CDST on October 27, 2006. To hear the replay, call 1-800-642-1687 (1-706-645-9291 if calling from outside the US). The conference call ID number is 7509771.

A simultaneous Webcast of the conference call will be accessible online at the Tidewater Inc. Website, www.tdw.com, and at the CCBN Website, www.streetevents.com. The online replay will be available until November 25, 2006.

Tidewater Inc. owns over 490 vessels, the world's largest fleet of vessels serving the global offshore energy industry.