EXHIBIT 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF OCTOBER 28, 2003 RIG NAME WD DESIGN LOCATION STATUS* OPERATOR - ------------------------------------------------------------------------------------------------------------ DOMESTIC DEEPWATER SEMISUBMERSIBLES (6) - ------------------------------------------------------------------------------------------------------------ Ocean Quest 3,500' Victory Class GOM Idle DODI - ------------------------------------------------------------------------------------------------------------ Ocean Star 5,500' Victory Class GOM Contracted Kerr McGee - ------------------------------------------------------------------------------------------------------------ Ocean America 5,500' Ocean Odyssey GOM Idle DODI - ------------------------------------------------------------------------------------------------------------ Ocean Valiant 5,500' Ocean Odyssey GOM Contracted Amerada Hess - ------------------------------------------------------------------------------------------------------------ Ocean Victory 5,500' Victory Class GOM Idle DODI - ------------------------------------------------------------------------------------------------------------ Ocean Confidence 7,500' DP Aker H-3.2 GOM Contracted BP Modified - ------------------------------------------------------------------------------------------------------------ DOMESTIC 2ND/3RD GENERATION SEMISUBMERSIBLES (3) - ------------------------------------------------------------------------------------------------------------ Ocean Concord 2,200' F&G SS-2000 GOM Contracted Kerr McGee - ------------------------------------------------------------------------------------------------------------ Ocean Lexington 2,200' F&G SS-2000 GOM Contracted Walter Oil & Gas - ------------------------------------------------------------------------------------------------------------ Ocean Saratoga 2,200' F&G SS-2000 GOM Contracted LLOG - ------------------------------------------------------------------------------------------------------------ DOMESTIC JACKUPS (11) - ------------------------------------------------------------------------------------------------------------ Ocean Crusader 200' Mat Cantilever GOM Contracted Stone Energy - ------------------------------------------------------------------------------------------------------------ Ocean Drake 200' Mat Cantilever GOM Contracted Chevron/Texaco - ------------------------------------------------------------------------------------------------------------ Ocean Columbia 250' Independent Leg GOM Contracted ADTI/Tana Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean Spartan 300' Independent Leg GOM Contracted Stone Energy Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean Spur 300' Independent Leg GOM Contracted Entre/Howard Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean King 300' Independent Leg GOM Contracted BP America Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean Nugget 300' Independent GOM Contracted Taylor Energy Leg Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean Summit 300' Independent Leg GOM Contracted El Paso Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean Warwick 300' Independent Leg GOM Contracted Murphy Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean Titan 350' Independent Leg Slot GOM Shipyard for cantilever DODI upgrade - ------------------------------------------------------------------------------------------------------------ Ocean Tower 350' Independent Leg GOM Contracted Denbury Cantilever - ------------------------------------------------------------------------------------------------------------ 1 - ------------------------------------------------------------------------------------------------------------ INTERNATIONAL SEMISUBMERSIBLES (17) - ------------------------------------------------------------------------------------------------------------ MEXICO - ------------------------------------------------------------------------------------------------------------ Ocean Ambassador 1,100' Bethlehem SS-2000 GOM Contracted PEMEX - ------------------------------------------------------------------------------------------------------------ Ocean Whittington 1,500' Aker H-3 GOM Contracted PEMEX - ------------------------------------------------------------------------------------------------------------ Ocean Worker 3,500' F&G 9500 Enhanced GOM Contracted PEMEX Pacesetter - ------------------------------------------------------------------------------------------------------------ Ocean Yorktown 2,850' F&G SS-2000 GOM Contracted PEMEX - ------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------ AFRICA - ------------------------------------------------------------------------------------------------------------ Ocean Patriot 1,500' Bingo 3000 South Africa Contracted Forest Oil - ------------------------------------------------------------------------------------------------------------ NORTH SEA - ------------------------------------------------------------------------------------------------------------ Ocean Nomad 1,200' Aker H-3 North Sea Idle DODI - ------------------------------------------------------------------------------------------------------------ Ocean Guardian 1,500' Earl & Wright Sedco North Sea Contracted Shell 711 Series - ------------------------------------------------------------------------------------------------------------ Ocean Princess 1,500' Aker H-3 North Sea Contracted Talisman - ------------------------------------------------------------------------------------------------------------ Ocean Vanguard 1,500' Bingo 3000 North Sea Idle DODI - ------------------------------------------------------------------------------------------------------------ AUSTRALASIA - ------------------------------------------------------------------------------------------------------------ Ocean Bounty 1,500' Victory Class Australia Contracted Inpex - ------------------------------------------------------------------------------------------------------------ Ocean Epoch 1,640' Korkut Australia Contracted Santos - ------------------------------------------------------------------------------------------------------------ Ocean General 1,640' Korkut Vietnam Contracted P.V.E&P - ------------------------------------------------------------------------------------------------------------ Ocean Baroness 7,000' Victory Class Indonesia Contracted Unocal - ------------------------------------------------------------------------------------------------------------ Ocean Rover 7,000' Victory Class Singapore Contracted Murphy - ------------------------------------------------------------------------------------------------------------ BRAZIL - ------------------------------------------------------------------------------------------------------------ Ocean Yatzy 3,300' DP DYVI Super Yatzy Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------ Ocean Winner 3,500' Aker H-3 Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------ Ocean Alliance 5,000' Alliance Class Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------ 2 INTERNATIONAL DRILLSHIPS (1) - ------------------------------------------------------------------------------------------------------------ Ocean Clipper 7,500' DP Fluor/Mitsubishi Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------ INTERNATIONAL JACKUPS (2) - ------------------------------------------------------------------------------------------------------------ Ocean Sovereign 250' Independent Leg Indonesia Idle DODI Cantilever - ------------------------------------------------------------------------------------------------------------ Ocean Heritage 300' Independent Leg Indonesia Idle DODI Cantileve - ------------------------------------------------------------------------------------------------------------ COLD STACKED (5) - ------------------------------------------------------------------------------------------------------------ Ocean Liberator 600' Aker H-3 S. Africa Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------ Ocean Champion 250' Mat Slot GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------ Ocean Endeavor 2,000' Victory Class GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------ Ocean Voyager 3,200' Victory Class GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------ Ocean New Era 1,500' Korkut GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------ ASSETS REMOVED FROM SERVICE & HELD FOR SALE** (2) - ------------------------------------------------------------------------------------------------------------ Ocean Century 800' Korkut GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------ Ocean Prospector 1,700' Victory Class GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------ ** TABLE CONTINUED ** NOTES: * ASSUME 95-98% UTILIZATION RATE DURING CONTRACTED PERIODS TO ALLOW FOR NORMAL EQUIPMENT REPAIR DOWNTIME. **TO BE USED FOR NON DRILLING PURPOSES. GOM = Gulf of Mexico 3 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF OCTOBER 28, 2003 RIG NAME CURRENT TERM DAYRATE (000S) START DATE - ---------------------------------------------------------------------------------- DOMESTIC DEEPWATER SEMISUBMERSIBLES (6) - ---------------------------------------------------------------------------------- Ocean Quest - - - - ---------------------------------------------------------------------------------- Ocean Star first of two wells plus mid 70's late Oct. 2003 option - ---------------------------------------------------------------------------------- Ocean America - - - - ---------------------------------------------------------------------------------- Ocean Valiant one well plus option mid 50's late Sept. 2003 - ---------------------------------------------------------------------------------- Ocean Victory - - - - ---------------------------------------------------------------------------------- Ocean Confidence five-year term 170's early Jan. 2001 - ---------------------------------------------------------------------------------- DOMESTIC 2ND/3RD GENERATION SEMISUBMERSIBLES (3) - ---------------------------------------------------------------------------------- Ocean Concord one well extension mid 40's mid Oct. 2003 - ---------------------------------------------------------------------------------- Ocean Lexington second of two wells plus low 40's late Aug. 2003 option - ---------------------------------------------------------------------------------- Ocean Saratoga one well plus option low 40's late Sept. 2003 - ---------------------------------------------------------------------------------- DOMESTIC JACKUPS (11) - ---------------------------------------------------------------------------------- Ocean Crusader one well plus option mid 20's mid Oct. 2003 - ---------------------------------------------------------------------------------- Ocean Drake 90 day term plus option mid 20's mid Oct. 2003 - ---------------------------------------------------------------------------------- Ocean Columbia one well mid 20's mid Aug. 2003 - ---------------------------------------------------------------------------------- Ocean Spartan one well mid 20's late July 2003 - ---------------------------------------------------------------------------------- Ocean Spur third of three wells upper 20's late Aug. 2003 - ---------------------------------------------------------------------------------- Ocean King multiple wells low 30's early April 2003 - ---------------------------------------------------------------------------------- Ocean Nugget first of three wells mid 20's mid Sept. 2003 - ---------------------------------------------------------------------------------- Ocean Summit third of three wells plus upper 20's late Aug. 2003 option - ---------------------------------------------------------------------------------- Ocean Warwick one well plus option upper 20's late Sept. 2003 - ---------------------------------------------------------------------------------- Ocean Titan - - - - ---------------------------------------------------------------------------------- Ocean Tower second of four wells plus mid 30's late Aug. 2003 option - ---------------------------------------------------------------------------------- 1 - ---------------------------------------------------------------------------------- INTERNATIONAL SEMISUBMERSIBLES (17) - ---------------------------------------------------------------------------------- MEXICO - ---------------------------------------------------------------------------------- Ocean Ambassador four year term work mid 50's late July 2003 - ---------------------------------------------------------------------------------- Ocean Whittington four year term work low 60's late July 2003 - ---------------------------------------------------------------------------------- Ocean Worker four year term work upper 60's mid Aug. 2003 - ---------------------------------------------------------------------------------- Ocean Yorktown four year term work mid 40's late Oct. 2003 - ---------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------- AFRICA - ---------------------------------------------------------------------------------- Ocean Patriot 100 days plus option mid 50's mid Sept. 2003 - ---------------------------------------------------------------------------------- NORTH SEA - ---------------------------------------------------------------------------------- Ocean Nomad - - - - ---------------------------------------------------------------------------------- Ocean Guardian one year plus one year low 50's early April 2003 option - ---------------------------------------------------------------------------------- Ocean Princess second well low 40's late May 2003 - ---------------------------------------------------------------------------------- Ocean Vanguard _ _ _ - ---------------------------------------------------------------------------------- AUSTRALASIA - ---------------------------------------------------------------------------------- Ocean Bounty second of three wells plus low 70's mid June 2003 option for two - ---------------------------------------------------------------------------------- Ocean Epoch one well plus option low 60's mid September 2003 - ---------------------------------------------------------------------------------- Ocean General standby mid teens mid Oct. 2003 - ---------------------------------------------------------------------------------- Ocean Baroness 400 days plus option 110's late March 2003 - ---------------------------------------------------------------------------------- Ocean Rover Three wells plus option 110s mid July 2003 - ---------------------------------------------------------------------------------- BRAZIL - ---------------------------------------------------------------------------------- Ocean Yatzy five-year term plus option 120's early Nov. 1998 - ---------------------------------------------------------------------------------- Ocean Winner one year extension low 60's early Nov. 2002 - ---------------------------------------------------------------------------------- Ocean Alliance four-year contract 110's early Sept. 2000 - ---------------------------------------------------------------------------------- 2 INTERNATIONAL DRILLSHIPS (1) - ---------------------------------------------------------------------------------- Ocean Clipper one-year extension 100's mid Feb. 2003 - ---------------------------------------------------------------------------------- INTERNATIONAL JACKUPS (2) - ---------------------------------------------------------------------------------- Ocean Sovereign - - - - ---------------------------------------------------------------------------------- Ocean Heritage - - - - ---------------------------------------------------------------------------------- COLD STACKED (5) - ---------------------------------------------------------------------------------- Ocean Liberator - - - - ---------------------------------------------------------------------------------- Ocean Champion - - - - ---------------------------------------------------------------------------------- Ocean Endeavor - - - - ---------------------------------------------------------------------------------- Ocean Voyager - - - - ---------------------------------------------------------------------------------- Ocean New Era - - - - ---------------------------------------------------------------------------------- ASSETS REMOVED FROM SERVICE & HELD FOR SALE** (2) - ---------------------------------------------------------------------------------- Ocean Century - - - - ---------------------------------------------------------------------------------- Ocean Prospector - - - - ---------------------------------------------------------------------------------- ** TABLE CONTINUED ** NOTES: * ASSUME 95-98% UTILIZATION RATE DURING CONTRACTED PERIODS TO ALLOW FOR NORMAL EQUIPMENT REPAIR DOWNTIME. **TO BE USED FOR NON DRILLING PURPOSES. GOM = Gulf of Mexico 3 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF OCTOBER 28, 2003 RIG NAME EST. END DATE FUTURE CONTRACT AND OTHER INFORMATION - ------------------------------------------------------------------------------------ DOMESTIC DEEPWATER SEMISUBMERSIBLES (6) - ------------------------------------------------------------------------------------ Ocean Quest - One well plus option with Amerada Hess in low 40's beginning late Oct. and ending mid Nov. 2003; available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Star late Dec. 2003 available, actively marketing. - ------------------------------------------------------------------------------------ Ocean America - available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Valiant late Dec. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Victory - available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Confidence early Jan. 2006 available; actively marketing. - ------------------------------------------------------------------------------------ DOMESTIC 2ND/3RD GENERATION SEMISUBMERSIBLES (3) - ------------------------------------------------------------------------------------ Ocean Concord early Nov. 2003 available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Lexington late Nov. 2003 Two wells plus option with Walter in high 30's beginning late Nov. 2003 and ending mid Jan. 2004; available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Saratoga early Nov. 2003 One well plus option with LLOG in low 40's beginning early Nov. and ending early Dec. 2003; available, actively marketing. - ------------------------------------------------------------------------------------ DOMESTIC JACKUPS (11) - ------------------------------------------------------------------------------------ Ocean Crusader mid Nov. 2003 available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Drake early Jan. 2004 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Columbia mid Nov. 2003 One well with ADTI/Seneca in upper 20's beginning mid Nov. and ending late Nov. 2003; available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Spartan mid Nov. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Spur late Oct. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean King late Nov. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Nugget late Nov. 2003 Two wells in mid 20's and third well in low 30's; followed by six month extension + option in low 30's ending late May 2004; available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Summit early Nov. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Warwick late Dec. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Titan - Cantilever upgrade ending mid Dec. 2003; available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Tower late Dec. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ 1 - ------------------------------------------------------------------------------------ INTERNATIONAL SEMISUBMERSIBLES (17) - ------------------------------------------------------------------------------------ MEXICO - ------------------------------------------------------------------------------------ Ocean Ambassador mid Dec. 2007 available. - ------------------------------------------------------------------------------------ Ocean Whittington early Oct. 2006 available. - ------------------------------------------------------------------------------------ Ocean Worker late July 2007 available. - ------------------------------------------------------------------------------------ Ocean Yorktown mid July 2007 available. - ------------------------------------------------------------------------------------ - ------------------------------------------------------------------------------------ AFRICA - ------------------------------------------------------------------------------------ Ocean Patriot late Dec. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ NORTH SEA - ------------------------------------------------------------------------------------ Ocean Nomad - available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Guardian late March 2004 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Princess early Nov. 2003 First option declared plus option with Talisman in low 40s beginning early Nov. 2003 and ending mid Jan. 2004; available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Vanguard _ available; actively marketing. - ------------------------------------------------------------------------------------ AUSTRALASIA - ------------------------------------------------------------------------------------ Ocean Bounty late Feb. 2004 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Epoch mid Dec. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean General early Nov. 2003 One well plus one well and five completion option wells with P.V.E&P in mid 50's beginning early Nov. 2003 and ending late Jan. 2004; available, actively marketing. - ------------------------------------------------------------------------------------ Ocean Baroness early May 2004 available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Rover late Dec. 2003 available; actively marketing. - ------------------------------------------------------------------------------------ BRAZIL - ------------------------------------------------------------------------------------ Ocean Yatzy early Nov. 2003 Nov. 5, 2003 end of primary term; end of well expected late Dec. 2003, followed by scheduled 30 day survey. available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Winner late Oct. 2004 Scheduled for survey in 4th Qtr. Estimated downtime 60 days. - ------------------------------------------------------------------------------------ Ocean Alliance early Sept. 2004 Scheduled for survey in 1st Qtr. '04 Estimated downtime 60 days. - ------------------------------------------------------------------------------------ 2 INTERNATIONAL DRILLSHIPS (1) - ------------------------------------------------------------------------------------ Ocean Clipper early Jan. 2004 available; actively marketing. - ------------------------------------------------------------------------------------ INTERNATIONAL JACKUPS (2) - ------------------------------------------------------------------------------------ Ocean Sovereign - available; actively marketing. - ------------------------------------------------------------------------------------ Ocean Heritage - available; actively marketing. - ------------------------------------------------------------------------------------ COLD STACKED (5) - ------------------------------------------------------------------------------------ Ocean Liberator - Cold stacked Nov. '02. - ------------------------------------------------------------------------------------ Ocean Champion - Cold Stacked Feb. '02. - ------------------------------------------------------------------------------------ Ocean Endeavor - Cold stacked March '02. - ------------------------------------------------------------------------------------ Ocean Voyager - Cold stacked March '02. - ------------------------------------------------------------------------------------ Ocean New Era - Cold stacked Dec. '02. - ------------------------------------------------------------------------------------ ASSETS REMOVED FROM SERVICE & HELD FOR SALE** (2) - ------------------------------------------------------------------------------------ Ocean Century - Cold stacked July '98. - ------------------------------------------------------------------------------------ Ocean Prospector - Cold stacked Oct. '98. - ------------------------------------------------------------------------------------ ** TABLE COMPLETE ** NOTES: * ASSUME 95-98% UTILIZATION RATE DURING CONTRACTED PERIODS TO ALLOW FOR NORMAL EQUIPMENT REPAIR DOWNTIME. **TO BE USED FOR NON DRILLING PURPOSES. GOM = Gulf of Mexico 3