Exhibit 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF FEBRUARY 12, 2001 RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - ----------------------------------------------------------------------------------------------------------------- Ocean Crusader 200' Mat Cantilever GOM Contracted Walter - ----------------------------------------------------------------------------------------------------------------- Ocean Drake 200' Mat Cantilever GOM Contracted Chevron - ----------------------------------------------------------------------------------------------------------------- Ocean Champion 250' Mat Slot GOM Contracted Dominion - ----------------------------------------------------------------------------------------------------------------- Ocean Columbia 250' Independent Leg GOM Contracted BP Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Spartan 250' Independent Leg GOM Contracted BP Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Spur 250' Independent Leg GOM Contracted BP Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Sovereign 250' Independent Leg Indonesia Contracted Maxus Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Heritage 250' Independent Leg Indonesia Contracted Maxus Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean King 300' Independent Leg GOM Contracted BP Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Nugget 300' Independent Leg GOM Undergoing Repairs - Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Summit 300' Independent Leg GOM Contracted Seneca Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Warwick 300' Independent Leg GOM Contracted BP Cantilever - ----------------------------------------------------------------------------------------------------------------- Ocean Titan 350' Independent Leg Slot GOM Contracted Dominion - ----------------------------------------------------------------------------------------------------------------- Ocean Tower 350' Independent Leg Slot GOM Contracted Spinnaker - ----------------------------------------------------------------------------------------------------------------- Ocean Liberator 600' Aker H-3 Cote D'lvoire Stacked Ready - - ----------------------------------------------------------------------------------------------------------------- Ocean Century 800' Korkut GOM Cold Stacked - - ----------------------------------------------------------------------------------------------------------------- Ocean Ambassador 1,100' Bethlehem SS-2000 GOM Contracted Unocal - ----------------------------------------------------------------------------------------------------------------- Ocean Nomad 1,200' Aker H-3 North Sea Shipyard Repairs - - ----------------------------------------------------------------------------------------------------------------- Ocean New Era 1,500' Korkut GOM Committed - - ----------------------------------------------------------------------------------------------------------------- Ocean Bounty 1,500' Victory Class Australia Contracted Woodside - ----------------------------------------------------------------------------------------------------------------- RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - ----------------------------------------------------------------------------------------------------------------- Ocean Guardian 1,500' Earl & Wright Sedco North Sea Contracted Venture 711 Series - ----------------------------------------------------------------------------------------------------------------- Ocean Princess 1,500' Aker H-3 North Sea Contracted Talisman - ----------------------------------------------------------------------------------------------------------------- Ocean Whittington 1,500' Aker H-3 Brazil Contracted Petrobras - ----------------------------------------------------------------------------------------------------------------- Ocean Epoch 1,640' Korkut Singapore Stacked Ready - - ----------------------------------------------------------------------------------------------------------------- Ocean General 1,640' Korkut Australia Contracted OMV - ----------------------------------------------------------------------------------------------------------------- Ocean Prospector 1,700' Victory Class GOM Cold Stacked - - ----------------------------------------------------------------------------------------------------------------- Ocean Endeavor 2,000' Victory Class GOM Stacked Ready - - ----------------------------------------------------------------------------------------------------------------- Ocean Rover 2,000' Victory Class GOM Cold Stacked - - ----------------------------------------------------------------------------------------------------------------- Ocean Concord 2,200' F&G SS-2000 GOM Contracted Walter - ----------------------------------------------------------------------------------------------------------------- Ocean Lexington 2,200' F&G SS-2000 GOM Contracted Kerr McGee - ----------------------------------------------------------------------------------------------------------------- Ocean Saratoga 2,200' F&G SS-2000 GOM Contracted Walter - ----------------------------------------------------------------------------------------------------------------- Ocean Yorktown 2,850' F&G SS-2000 Brazil Contracted Petrobras - ----------------------------------------------------------------------------------------------------------------- Ocean Voyager 3,200' Victory Class GOM Contracted Mariner - ----------------------------------------------------------------------------------------------------------------- Ocean Yatzy 3,300' DP DYVI Super Yatzy Brazil Contracted Petrobras - ----------------------------------------------------------------------------------------------------------------- Ocean Worker 3,500' F&G 9500 Enhanced GOM Contracted Shell Pacesetter - ----------------------------------------------------------------------------------------------------------------- Ocean Quest 3,500' Victory Class GOM Contracted Kerr McGee - ----------------------------------------------------------------------------------------------------------------- Ocean Winner 3,500' Aker H-3 Brazil Contracted Petrobras - ----------------------------------------------------------------------------------------------------------------- RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - ----------------------------------------------------------------------------------------------------------------- Ocean Star 5,500' Victory Class GOM Contracted Kerr McGee - ----------------------------------------------------------------------------------------------------------------- Ocean Victory 5,500' Victory Class GOM Contracted BP - ----------------------------------------------------------------------------------------------------------------- Ocean America 5,500' Ocean Odyssey GOM Contracted BP - ----------------------------------------------------------------------------------------------------------------- Ocean Valiant 5,500' Ocean Odyssey GOM Contracted Amerada Hess - ----------------------------------------------------------------------------------------------------------------- Ocean Alliance 5,500' DP Ocean Ranger II Brazil Contracted Petrobras Modified - ----------------------------------------------------------------------------------------------------------------- Ocean Baroness 6,500' Victory Class Singapore Shipyard Upgrade - - ----------------------------------------------------------------------------------------------------------------- Ocean Confidence 7,500' DP Aker H-3.2 Modified GOM Contracted BP - ----------------------------------------------------------------------------------------------------------------- Ocean Clipper 7,500' DP Fluor/Mitsubishi Brazil Contracted Petrobras - ----------------------------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico ** TABLE CONTINUED ** RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - -------------------------------------------------------------------------------------------------- Ocean Crusader one well mid February 2001 mid March 2001 - -------------------------------------------------------------------------------------------------- Ocean Drake two month extension mid February 2001 mid April 2001 plus option - -------------------------------------------------------------------------------------------------- Ocean Champion one well plus option late January 2001 late March 2001 - -------------------------------------------------------------------------------------------------- Ocean Columbia six month extension mid January 2000 late July 2001 plus option - -------------------------------------------------------------------------------------------------- Ocean Spartan six month term late November 2000 late May 2001 plus option - -------------------------------------------------------------------------------------------------- Ocean Spur six month term early October 2000 early April 2001 plus option - -------------------------------------------------------------------------------------------------- Ocean Sovereign two-year term mid September 2000 mid July 2001 - -------------------------------------------------------------------------------------------------- Ocean Heritage one-year term late January 2001 late January 2002 - -------------------------------------------------------------------------------------------------- Ocean King 90 day term plus option late October 2000 late February 2001 - -------------------------------------------------------------------------------------------------- Ocean Nugget - late September 2000 early March 2001 - -------------------------------------------------------------------------------------------------- Ocean Summit one well mid February 2001 early May 2001 - -------------------------------------------------------------------------------------------------- Ocean Warwick six month term early October 2000 early April 2001 plus option - -------------------------------------------------------------------------------------------------- Ocean Titan one-well mid February 2001 mid March 2001 - -------------------------------------------------------------------------------------------------- Ocean Tower one well mid December 2000 mid February 2001 - -------------------------------------------------------------------------------------------------- Ocean Liberator - - - - -------------------------------------------------------------------------------------------------- Ocean Century - - - - -------------------------------------------------------------------------------------------------- Ocean Ambassador two wells plus option mid February 2001 mid June 2001 - -------------------------------------------------------------------------------------------------- Ocean Nomad - - - - -------------------------------------------------------------------------------------------------- Ocean New Era - - - - -------------------------------------------------------------------------------------------------- Ocean Bounty 90-day contract early March 2001 late May 2001 - -------------------------------------------------------------------------------------------------- RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - -------------------------------------------------------------------------------------------------- Ocean Guardian one well mid August 2000 early March 2001 - -------------------------------------------------------------------------------------------------- Ocean Princess two wells early November 2000 mid March 2001 - -------------------------------------------------------------------------------------------------- Ocean Whittington three-year term mid March 1998 mid March 2001 - -------------------------------------------------------------------------------------------------- Ocean Epoch - - - - -------------------------------------------------------------------------------------------------- Ocean General one well late January 2001 mid February 2001 - -------------------------------------------------------------------------------------------------- Ocean Prospector - - - - -------------------------------------------------------------------------------------------------- Ocean Endeavor - - - - -------------------------------------------------------------------------------------------------- Ocean Rover - - - - -------------------------------------------------------------------------------------------------- Ocean Concord first of two wells mid February 2001 early April 2001 - -------------------------------------------------------------------------------------------------- Ocean Lexington first of three wells late January 2001 late June 2001 - -------------------------------------------------------------------------------------------------- Ocean Saratoga one well plus option mid February 2001 late March 2001 - -------------------------------------------------------------------------------------------------- Ocean Yorktown five-year term early June 1996 early June 2001 - -------------------------------------------------------------------------------------------------- Ocean Voyager one well early November 2000 mid February 2001 - -------------------------------------------------------------------------------------------------- Ocean Yatzy five-year term early November 1998 early November 2003 - -------------------------------------------------------------------------------------------------- Ocean Worker four-year term mid January 1998 mid January 2002 plus option - -------------------------------------------------------------------------------------------------- Ocean Quest three wells mid December 2000 early May 2001 - -------------------------------------------------------------------------------------------------- Ocean Winner two-year term early May 1999 early May 2001 - -------------------------------------------------------------------------------------------------- RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - -------------------------------------------------------------------------------------------------- Ocean Star two wells early December 2000 late February 2001 - -------------------------------------------------------------------------------------------------- Ocean Victory three-year term mid November 1997 early March 2001 - -------------------------------------------------------------------------------------------------- Ocean America one well late August 2000 mid March 2001 - -------------------------------------------------------------------------------------------------- Ocean Valiant 810 day term late September 1999 early April 2001 - -------------------------------------------------------------------------------------------------- Ocean Alliance three-year term early September 2000 early September 2003 - -------------------------------------------------------------------------------------------------- Ocean Baroness - - February 2002 - -------------------------------------------------------------------------------------------------- Ocean Confidence five-year term early January 2001 early January 2006 - -------------------------------------------------------------------------------------------------- Ocean Clipper three-year term mid January 2000 mid January 2003 - -------------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico ** TABLE CONTINUED ** DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ----------------------------------------------------------------------------------------------- Ocean Crusader mid 30's one well plus option with Walter in mid 30's ending mid April 2001 - ----------------------------------------------------------------------------------------------- Ocean Drake lower 40's available - ----------------------------------------------------------------------------------------------- Ocean Champion upper 30's available - ----------------------------------------------------------------------------------------------- Ocean Columbia lower 40's available - ----------------------------------------------------------------------------------------------- Ocean Spartan lower 40's available - ----------------------------------------------------------------------------------------------- Ocean Spur upper 30's available - ----------------------------------------------------------------------------------------------- Ocean Sovereign lower 30's shipyard repairs beginning mid December 2000 and ending mid April 2001 - ----------------------------------------------------------------------------------------------- Ocean Heritage mid 30's available - ----------------------------------------------------------------------------------------------- Ocean King lower 50's 90-day extension plus option with BP in lower 50's ending late May 2001 - ----------------------------------------------------------------------------------------------- Ocean Nugget - available - ----------------------------------------------------------------------------------------------- Ocean Summit lower 40's spud can inspection ending late May 2001 - ----------------------------------------------------------------------------------------------- Ocean Warwick lower 50's available - ----------------------------------------------------------------------------------------------- Ocean Titan mid 30's one well extension plus option with Dominion in mid 40's ending mid April 2001 - ----------------------------------------------------------------------------------------------- Ocean Tower mid 30's one well plus option in upper 40's with Spinnaker ending late March 2001 - ----------------------------------------------------------------------------------------------- Ocean Liberator - available - ----------------------------------------------------------------------------------------------- Ocean Century - - - ----------------------------------------------------------------------------------------------- Ocean Ambassador lower 40's available - ----------------------------------------------------------------------------------------------- Ocean Nomad - shipyard repairs beginning mid January 2001 and ending mid April 2001 - ----------------------------------------------------------------------------------------------- Ocean New Era - available - ----------------------------------------------------------------------------------------------- Ocean Bounty lower 80's available until early March 2001 - ----------------------------------------------------------------------------------------------- DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ----------------------------------------------------------------------------------------------- Ocean Guardian lower 40's shipyard ending late March 2001 - ----------------------------------------------------------------------------------------------- Ocean Princess upper 30's one well with Talisman in upper 30's ending late May 2001; followed by mid period survey ending mid June 2001; followed by one well with Talisman in lower 40's ending mid July 2001; followed by three month term plus options with Talisman in high 60's ending early October 2001. - ----------------------------------------------------------------------------------------------- Ocean Whittington 100's available - ----------------------------------------------------------------------------------------------- Ocean Epoch - available - ----------------------------------------------------------------------------------------------- Ocean General lower 60's 200-day term contract with Woodside in lower 80's ending early September 2001 - ----------------------------------------------------------------------------------------------- Ocean Prospector - - - ----------------------------------------------------------------------------------------------- Ocean Endeavor - available - ----------------------------------------------------------------------------------------------- Ocean Rover - - - ----------------------------------------------------------------------------------------------- Ocean Concord upper 30's one well plus option with Walter in lower 40's ending mid May 2001 - ----------------------------------------------------------------------------------------------- Ocean Lexington lower 40's available - ----------------------------------------------------------------------------------------------- Ocean Saratoga lower 40's available - ----------------------------------------------------------------------------------------------- Ocean Yorktown lower 60's available - ----------------------------------------------------------------------------------------------- Ocean Voyager lower 40's contracted for one well extension with option with Mariner in lower 40's ending mid March 2001 - ----------------------------------------------------------------------------------------------- Ocean Yatzy 120's available - ----------------------------------------------------------------------------------------------- Ocean Worker 120's available - ----------------------------------------------------------------------------------------------- Ocean Quest lower 70's contracted for one well plus option with Kerr McGee in lower 80's ending mid June 2001 - ----------------------------------------------------------------------------------------------- Ocean Winner lower 80's contracted for 18 month extension with Petrobras in lower 80's ending late October 2002 - ----------------------------------------------------------------------------------------------- DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ----------------------------------------------------------------------------------------------- Ocean Star mid 80's contracted for two well extension with Kerr McGee in mid 90's ending late April 2001; followed by six month extension plus option with Kerr McGee in 100's ending late October 2001 - ----------------------------------------------------------------------------------------------- Ocean Victory 120's contracted for 180 day extension plus option with BP in 110's ending late August 2001 - ----------------------------------------------------------------------------------------------- Ocean America lower 80's one well extension plus option with BP in 110's ending mid June 2001 - ----------------------------------------------------------------------------------------------- Ocean Valiant 110's contracted for Conger Prospect in 110's ending early April 2001; followed by 120's ending late December 2001 - ----------------------------------------------------------------------------------------------- Ocean Alliance 110's available - ----------------------------------------------------------------------------------------------- Ocean Baroness - available - ----------------------------------------------------------------------------------------------- Ocean Confidence 170's available - ----------------------------------------------------------------------------------------------- Ocean Clipper lower 90's available - ----------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico