Exhibit 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF APRIL 14, 2003 RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - --------------------------------------------------------------------------------------------------------------------- Ocean Crusader 200' Mat Cantilever GOM Contracted Walter Oil & Gas - --------------------------------------------------------------------------------------------------------------------- Ocean Drake 200' Mat Cantilever GOM Contracted ChevronTexaco - --------------------------------------------------------------------------------------------------------------------- Ocean Champion 250' Mat Slot GOM Cold Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Columbia 250' Independent Leg Cantilever GOM Contracted Noble Energy - --------------------------------------------------------------------------------------------------------------------- Ocean Sovereign 250' Independent Leg Cantilever Indonesia Shipyard - - --------------------------------------------------------------------------------------------------------------------- Ocean Heritage 300' Independent Leg Cantilever Indonesia Contracted CNOOC - --------------------------------------------------------------------------------------------------------------------- Ocean Spartan 300' Independent Leg Cantilever GOM Contracted ADTI/Energy Resources - --------------------------------------------------------------------------------------------------------------------- Ocean Spur 300' Independent Leg Cantilever GOM Contracted Ridgelake Energy - --------------------------------------------------------------------------------------------------------------------- Ocean King 300' Independent Leg Cantilever GOM Contracted BP America - --------------------------------------------------------------------------------------------------------------------- Ocean Nugget 300' Independent Leg Cantilever GOM Contracted Taylor Energy - --------------------------------------------------------------------------------------------------------------------- Ocean Summit 300' Independent Leg Cantilever GOM Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Warwick 300' Independent Leg Cantilever GOM Contracted BP America - --------------------------------------------------------------------------------------------------------------------- Ocean Titan 350' Independent Leg Slot GOM Contracted Walter Oil & Gas - --------------------------------------------------------------------------------------------------------------------- Ocean Tower 350' Independent Leg Cantilever GOM Shipyard for cantilever upgrade - - --------------------------------------------------------------------------------------------------------------------- Ocean Liberator 600' Aker H-3 S. Africa Cold Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Century 800' Korkut GOM Cold Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Ambassador 1,100' Bethlehem SS-2000 GOM Idle - - --------------------------------------------------------------------------------------------------------------------- Ocean Nomad 1,200' Aker H-3 North Sea Contracted Agip - --------------------------------------------------------------------------------------------------------------------- Ocean New Era 1,500' Korkut GOM Cold Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Bounty 1,500' Victory Class Australia Shipyard - - --------------------------------------------------------------------------------------------------------------------- 1 Ocean Guardian 1,500' Earl & Wright Sedco 711 Series North Sea Contracted Shell - --------------------------------------------------------------------------------------------------------------------- Ocean Princess 1,500' Aker H-3 North Sea Shipyard - - --------------------------------------------------------------------------------------------------------------------- Ocean Whittington 1,500' Aker H-3 Ghana Idle - - --------------------------------------------------------------------------------------------------------------------- Ocean Vanguard 1,500' Bingo 3000 North Sea Contracted Norsk Hydro - --------------------------------------------------------------------------------------------------------------------- Ocean Patriot 1,500' Bingo 3000 South Africa Contracted Pioneer - --------------------------------------------------------------------------------------------------------------------- Ocean Epoch 1,640' Korkut Australia Idle - - --------------------------------------------------------------------------------------------------------------------- Ocean General 1,640' Korkut Vietnam Contracted PetroVietnam - --------------------------------------------------------------------------------------------------------------------- Ocean Prospector 1,700' Victory Class GOM Cold Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Endeavor 2,000' Victory Class GOM Cold Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Concord 2,200' F&G SS-2000 GOM Contracted Energy Partners Ltd - --------------------------------------------------------------------------------------------------------------------- Ocean Lexington 2,200' F&G SS-2000 GOM Contracted Kerr McGee - --------------------------------------------------------------------------------------------------------------------- Ocean Saratoga 2,200' F&G SS-2000 GOM Contracted Ocean Energy - --------------------------------------------------------------------------------------------------------------------- Ocean Yorktown 2,850' F&G SS-2000 Brazil Contracted Shell - --------------------------------------------------------------------------------------------------------------------- Ocean Voyager 3,200' Victory Class GOM Cold Stacked - - --------------------------------------------------------------------------------------------------------------------- Ocean Yatzy 3,300' DP DYVI Super Yatzy Brazil Contracted Petrobras - --------------------------------------------------------------------------------------------------------------------- Ocean Worker 3,500' F&G 9500 Enhanced Pacesetter GOM Contracted LLOG - --------------------------------------------------------------------------------------------------------------------- Ocean Quest 3,500' Victory Class GOM Contracted Murphy - --------------------------------------------------------------------------------------------------------------------- Ocean Winner 3,500' Aker H-3 Brazil Contracted Petrobras - --------------------------------------------------------------------------------------------------------------------- Ocean Alliance 5,000' Alliance Class Brazil Contracted Petrobras - --------------------------------------------------------------------------------------------------------------------- Ocean Star 5,500' Victory Class GOM Contracted Kerr McGee - --------------------------------------------------------------------------------------------------------------------- Ocean Victory 5,500' Victory Class GOM Contracted Kerr McGee - --------------------------------------------------------------------------------------------------------------------- Ocean America 5,500' Ocean Odyssey GOM Contracted Ocean Energy - --------------------------------------------------------------------------------------------------------------------- Ocean Valiant 5,500' Ocean Odyssey GOM Idle - - --------------------------------------------------------------------------------------------------------------------- 2 Ocean Baroness 7,000' Victory Class Indonesia Contracted Unocal - --------------------------------------------------------------------------------------------------------------------- Ocean Rover 7,000' 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 3 ** TABLE CONTINUED ** RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ------------------------------------------------------------------------------------------------- Ocean Crusader first of two wells early March 2003 mid June 2003 - ------------------------------------------------------------------------------------------------- Ocean Drake 12 months late August 2002 late August 2003 - ------------------------------------------------------------------------------------------------- Ocean Champion - early August 2001 - - ------------------------------------------------------------------------------------------------- Ocean Columbia one well plus option mid April 2003 mid May 2003 - ------------------------------------------------------------------------------------------------- Ocean Sovereign - mid January 2003 late May 2003 - ------------------------------------------------------------------------------------------------- Ocean Heritage 12 month term program, assumes last ten months after Ocean Sovereign completed first two months late December 2002 mid September 2003 - ------------------------------------------------------------------------------------------------- Ocean Spartan one well mid April 2003 early May 2003 - ------------------------------------------------------------------------------------------------- Ocean Spur one well mid March 2003 mid April 2003 - ------------------------------------------------------------------------------------------------- Ocean King 60-day extension early April 2003 early June 2003 - ------------------------------------------------------------------------------------------------- Ocean Nugget second of six wells mid March 2003 mid August 2003 - ------------------------------------------------------------------------------------------------- Ocean Summit - early April 2003 early May 2003 - ------------------------------------------------------------------------------------------------- Ocean Warwick 60-day extension mid April 2003 mid June 2003 - ------------------------------------------------------------------------------------------------- Ocean Titan one well early October 2002 late April 2003 - ------------------------------------------------------------------------------------------------- Ocean Tower - mid August 2002 mid April 2003 - ------------------------------------------------------------------------------------------------- Ocean Liberator - late November 2002 - - ------------------------------------------------------------------------------------------------- Ocean Century - 1998 - - ------------------------------------------------------------------------------------------------- Ocean Ambassador - late February 2003 - - ------------------------------------------------------------------------------------------------- Ocean Nomad second option well late January 2003 late April 2003 - ------------------------------------------------------------------------------------------------- Ocean New Era - late October 2001 - - ------------------------------------------------------------------------------------------------- Ocean Bounty - late March 2003 mid May 2003 - ------------------------------------------------------------------------------------------------- 1 Ocean Guardian one year plus one year option early April 2003 late March 2004 - ------------------------------------------------------------------------------------------------- Ocean Princess crane upgrade early October 2002 mid April 2003 - ------------------------------------------------------------------------------------------------- Ocean Whittington - late September 2002 - - ------------------------------------------------------------------------------------------------- Ocean Vanguard Bareboat early January 2003 mid May 2003 - ------------------------------------------------------------------------------------------------- Ocean Patriot two wells plus option early April 2003 early June 2003 - ------------------------------------------------------------------------------------------------- Ocean Epoch - early February 2003 - - ------------------------------------------------------------------------------------------------- Ocean General two well program plus early February 2003 late April 2003 options plus demobe - ------------------------------------------------------------------------------------------------- Ocean Prospector - 1998 - - ------------------------------------------------------------------------------------------------- Ocean Endeavor - early March 2002 - - ------------------------------------------------------------------------------------------------- Ocean Concord one well late November 2002 late April 2003 - ------------------------------------------------------------------------------------------------- Ocean Lexington one well plus option early April 2003 early May 2003 - ------------------------------------------------------------------------------------------------- Ocean Saratoga one well plus option early March 2003 late May 2003 - ------------------------------------------------------------------------------------------------- Ocean Yorktown 15-well development plus options mid September 2001 late August 2003 - ------------------------------------------------------------------------------------------------- Ocean Voyager - early March 2002 - - ------------------------------------------------------------------------------------------------- Ocean Yatzy five-year term plus option early November 1998 early November 2003 - ------------------------------------------------------------------------------------------------- Ocean Worker third of three wells early March 2003 early May 2003 - ------------------------------------------------------------------------------------------------- Ocean Quest Swap to complete Valiant contract early January 2003 mid June 2003 - ------------------------------------------------------------------------------------------------- Ocean Winner one year extension early November 2002 early November 2003 - ------------------------------------------------------------------------------------------------- Ocean Alliance four-year contract early September 2000 early September 2004 - ------------------------------------------------------------------------------------------------- Ocean Star nine month term work early March 2003 mid September 2003 - ------------------------------------------------------------------------------------------------- Ocean Victory one well plus option mid February 2003 mid May 2003 - ------------------------------------------------------------------------------------------------- Ocean America one well mid October 2002 early May 2003 - ------------------------------------------------------------------------------------------------- Ocean Valiant - early March 2003 - - ------------------------------------------------------------------------------------------------- 2 Ocean Baroness 400 days plus option late March 2003 early May 2004 - ------------------------------------------------------------------------------------------------- Ocean Rover - early January 2002 third quarter 2003 - ------------------------------------------------------------------------------------------------- Ocean Confidence five-year term early January 2001 early January 2006 - ------------------------------------------------------------------------------------------------- Ocean Clipper one-year extension mid February 2003 early January 2004 - ------------------------------------------------------------------------------------------------- NOTES: DOTS= Diamond Offshore Team Solutions, Inc. GOM= Gulf of Mexico 3 ** TABLE CONTINUED ** RIG NAME DAYRATE (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ----------------------------------------------------------------------------------------------- Ocean Crusader low 20's available. - ---------------------------------------------------------------------------------------------- Ocean Drake high teens available. - ---------------------------------------------------------------------------------------------- Ocean Champion - - - ---------------------------------------------------------------------------------------------- Ocean Columbia low 20's two wells with LA Shelf Partners in lower 20's ending mid August 2003. - ---------------------------------------------------------------------------------------------- Ocean Sovereign - available. - ---------------------------------------------------------------------------------------------- Ocean Heritage upper 40's available. - ---------------------------------------------------------------------------------------------- Ocean Spartan low 20's available. - ---------------------------------------------------------------------------------------------- Ocean Spur high 20's available. - ---------------------------------------------------------------------------------------------- Ocean King mid 20's available. - ---------------------------------------------------------------------------------------------- Ocean Nugget mid 20's available. - ---------------------------------------------------------------------------------------------- Ocean Summit - Top Drive Installation - ---------------------------------------------------------------------------------------------- Ocean Warwick mid 20's available. - ---------------------------------------------------------------------------------------------- Ocean Titan low 20's cantilever upgrade ending late October 2003. - ---------------------------------------------------------------------------------------------- Ocean Tower - available through early May; followed by two wells with Ridgelake Energy in upper 20's ending late June 2003. - ---------------------------------------------------------------------------------------------- Ocean Liberator - - - ---------------------------------------------------------------------------------------------- Ocean Century - - - ---------------------------------------------------------------------------------------------- Ocean Ambassador - available. - ---------------------------------------------------------------------------------------------- Ocean Nomad low 40's special survey ending late May 2003. - ---------------------------------------------------------------------------------------------- Ocean New Era - - - ---------------------------------------------------------------------------------------------- Ocean Bounty - three well program with Inpex in Australia in lower 70's ending early December 2003. - ---------------------------------------------------------------------------------------------- 1 Ocean Guardian mid 40's rate changes to lower 50's beginning early May 2003. - ---------------------------------------------------------------------------------------------- Ocean Princess - one well with EDC in low 40's ending late May 2003, followed by two wells plus options with Talisman in low 40's ending early August 2003. - ---------------------------------------------------------------------------------------------- Ocean Whittington - available. - ---------------------------------------------------------------------------------------------- Ocean Vanguard low 10's available. - ---------------------------------------------------------------------------------------------- Ocean Patriot upper 50's available. - ---------------------------------------------------------------------------------------------- Ocean Epoch - available. - ---------------------------------------------------------------------------------------------- Ocean General upper 50's available. - ---------------------------------------------------------------------------------------------- Ocean Prospector - - - ---------------------------------------------------------------------------------------------- Ocean Endeavor - - - ---------------------------------------------------------------------------------------------- Ocean Concord low 40's two wells plus option with Walter Oil & Gas in upper 30's ending late June 2003. - ---------------------------------------------------------------------------------------------- Ocean Lexington low 40's available. - ---------------------------------------------------------------------------------------------- Ocean Saratoga low 40's available. - ---------------------------------------------------------------------------------------------- Ocean Yorktown low 60's available. - ---------------------------------------------------------------------------------------------- Ocean Voyager - - - ---------------------------------------------------------------------------------------------- Ocean Yatzy 120's available. - ---------------------------------------------------------------------------------------------- Ocean Worker upper 30's one well plus option with LLOG in mid 40's ending early July 2003. - ---------------------------------------------------------------------------------------------- Ocean Quest low 80's available. - ---------------------------------------------------------------------------------------------- Ocean Winner low 60's available. - ---------------------------------------------------------------------------------------------- Ocean Alliance 110's available. - ---------------------------------------------------------------------------------------------- Ocean Star mid 80's available. - ---------------------------------------------------------------------------------------------- Ocean Victory mid 70's available. - --------------------------------------------------------------------------------------------- Ocean America upper 60's second well with Ocean Energy in mid 70's ending mid June 2003. - ---------------------------------------------------------------------------------------------- Ocean Valiant - available. - ---------------------------------------------------------------------------------------------- 2 Ocean Baroness 110's available. - ---------------------------------------------------------------------------------------------- Ocean Rover - available. - ---------------------------------------------------------------------------------------------- Ocean Confidence 170's available. - ---------------------------------------------------------------------------------------------- Ocean Clipper 100's available. - ---------------------------------------------------------------------------------------------- NOTES: DOTS= Diamond Offshore Team Solutions, Inc. GOM= Gulf of Mexico 3 ** TABLE COMPLETE **