MARCH 2006

Grupo TMM, S.A. Announces Purchase of Seacor’s 40% Interest in Mexican Offshore Supply Joint Venture
 

FORT LAUDERDALE, FLORIDA and MEXICO CITY, MEXICO
March 6, 2006

FOR IMMEDIATE RELEASE – Grupo TMM, S.A. (NYSE: TMM and BMV: TMM A; “TMM”), and SEACOR Holdings Inc. (NYSE: CKH; “Seacor”) today announced that Grupo TMM purchased Seacor´s 40% interest in Marítima Mexicana, S.A. de C.V. (“Marmex”), a joint venture company dedicated to providing maritime offshore services in Mexico’s Gulf Coast.

Additionally, Grupo TMM purchased five offshore vessels owned by Seacor and has flagged them Mexican. These vessels are working under time charter contracts supporting offshore exploration and production activities in the Gulf of Mexico. The aggregate value of the transactions was approximately $57.0 million. Grupo TMM and Seacor intend to maintain good relations in pursuing future business opportunities in the offshore Mexican market.

Headquartered in Mexico City, TMM is a Latin American multimodal transportation company. Through its branch offices and network of subsidiary companies, TMM provides a dynamic combination of ocean and land transportation services. Visit TMM’s web site at www.grupotmm.com. The site offers Spanish/English language options.

SEACOR is a global provider of marine support and transportation service, primarily to the energy and chemical industries. SEACOR and its subsidiaries provide customers with a full suite of marine-related services including offshore services, U.S. coastwise shipping, inland river services, helicopter services, environmental services, and offshore and harbor towing services. SEACOR is uniquely focused on providing highly responsive local services, combined with the highest safety standards, innovative technology, modern efficient equipment, and dedicated, professional employees.
 
   
 
Included in this press release are certain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Such forward-looking statements speak only as of the date they are made and are based on the beliefs of the Company's management as well as on assumptions made. Actual results could differ materially from those included in such forward-looking statements. Readers are cautioned that all forward-looking statements involve risks and uncertainty. The following factors could cause actual results to differ materially from such forward-looking statements: global, US and Mexican economic and social conditions; the effect of the North American Free Trade Agreement on the level of US-Mexico trade; the condition of the world shipping market; the success of the Company's investment in KCS; and other new businesses; risks associated with the Company's reorganization and restructuring; the timing of the receipt of any amounts in respect of TFM's pending claim for a refund of certain value added taxes; the ability of the Company to reduce corporate overhead costs; the ability of management to manage growth and successfully compete in new businesses; and the ability of the Company to restructure or refinance its indebtedness. These risk factors and additional information are included in the Company's reports on Form 6-K and 20-F on file with the United States Securities and Exchange Commission.