Transocean Inc. Awarded Contracts for Construction of Enhanced Enterprise-Class Drillship and Semisubmersible Rig Henry Goodrich

HOUSTON, Jun 22, 2006 (BUSINESS WIRE) — Transocean Inc. (NYSE:RIG) today announced that Hydro (NYSE:NHY) has awarded the company a drilling contract for the construction of an enhanced Enterprise-class drillship plus a multi-year contract award for the High-Specification semisubmersible rig Henry Goodrich. Combined revenues possible from the two contract awards total approximately $950 million over six years.

The enhanced Enterprise-class drillship is being designed to include the most advanced drilling capabilities in the offshore drilling industry. Hydro has awarded the company a four-year drilling contract, which is expected to commence by mid-2009, following shipyard construction, sea trials, mobilization to the U.S. Gulf of Mexico and customer acceptance. The contract commencement date is contingent on vendor performance and other factors. Revenues of approximately $694 million are possible over the four-year contract period, excluding revenues for mobilization, demobilization and client reimbursables.