Diamond Offshore Drilling (DODRW) 8-K Regulation FD Disclosure

Exhibit 99.1

1	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

RECENT COMMITMENTS — (See Body of Report For Contract Details/Date Changes and Other Information)
Ocean Spur									One well with British Gas in Egypt
						Dayrate		Est. End
Rig Name	WD	Location	Status	Operator	Current Term	(000s)	Start Date	Date	Future Contracts and Other Information*
Domestic Deepwater Semisubmersibles (8)
Ocean Quest	3,500'	GOM	Contracted	Noble	two year term +option	mid 350’s	mid June 2007	mid June 2009	Available; actively marketing.
Ocean Star	5,500'	GOM	Contracted	Anadarko	term extension	mid 410’s	late Nov. 2007	late Nov. 2008	Available; actively marketing.
Ocean America	5,500'	GOM	Contracted	LLOG	two well assignment from Mariner	upper 460’s	mid Nov. 2007	early Mar. 2008	476-day term with Mariner in upper 460’s beginningearly Mar. 2008 and endingearlyJuly 2009. Available; actively marketing.
Ocean Valiant	5,500'	GOM	Contracted	Anadarko	one year term extension	low 400’s	mid Mar. 2007	mid Mar. 2008	One-year term extension with Anadarko in mid 420’s beginning mid March 2008 and ending mid June 2009; term interrupted forspecial survey and maintenance expected to begin early June and end early Sept. 2008. Available; actively marketing.
Ocean Victory	5,500'	GOM	Contracted	DODI	survey and maintenance	—	—	late Feb. 2008	Survey, followed by completion of Murphy contract in upper 330’s ending late July 2008. Callon and Newfield have swapped slots.Next up is now two wells with Callon in low 500’s beginning late July 2008 and ending late Jan. 2009; followed by one well with Newfield in low 300’s (swap from Voyager contract in low 300’s) beginning late Jan. 2009 and ending late Mar. 2009. Available; actively marketing.
Ocean Baroness	7,000'	GOM	Contracted	Hess	three year term extension	mid 360’s	late Nov. 2007	mid April 2010	Available; actively marketing.
Ocean Endeavor	10,000'	GOM	Contracted	Devon	four year term +option	mid 260’s	early July 2007	late June 2011	Available.
Ocean Confidence	7,500'	GOM	Contracted	BP	two year term	upper 290’s	early Jan. 2006	end BP well in progress — est. mid April 2008	Four-year term plusoptionwith Murphy in the GOM in the low 500’s beginning mid April 2008 and ending midMay 2012;thruster maintenance early Oct. to mid Oct. 2008. Available; actively marketing.
Domestic 2nd/3rd Generation Semisubmersibles (2)
Ocean Yorktown	2,850'	GOM	Contracted	DODI	prep, mobe and acceptance test for Brazil	—	—	early June2008	Five-year term contract with Petrobras in Brazil in mid 230’s plus lump sum mobe and potential 15% bonus beginning inearly June2008 and ending inearly June2013. Available.
Ocean Saratoga	2,200'	GOM	Contracted	LLOG	six month term +option	low 300’s	late Oct. 2007	late April 2008	Available; actively marketing.

2	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

						Dayrate		Est. End
Rig Name	WD	Location	Status	Operator	Current Term	(000s)	Start Date	Date	Future Contracts and Other Information*
Domestic Jackups (7)
Ocean Crusader	200' MC	GOM	Contracted	Breton Energy	two wells	mid 50’s	late Dec. 2007	early Feb. 2008	One well extension with Breton in upper 50’s beginningearly Feb. and endinglateFeb. 2008; followed by three wells plus option with Apache in low 60’s beginninglateFeb. and endinglateMay 2008. Available; actively marketing.
Ocean Drake	200' MC	GOM	Contracted	Fairways Offshore	two wells	low 60’s	late Oct. 2007	late Feb. 2008	One well extension plusoptionwith Fairways in low 60’s beginning late Feb. and ending mid April 2008.5-year survey and maintenance beginning early June and ending late July. Available; actively marketing.
Ocean Champion	250' MS	GOM	Contracted	Bois d’Arc	90-day term +option	low 50’s	mid Jan. 2008	mid April 2008	Available; actively marketing.
Ocean Spartan	300' IC	GOM	Contracted	Apache	three wells +option	low 60’s	mid Dec. 2007	early April2008	Available; actively marketing.
Ocean Summit	300' IC	GOM	Contracted	Energy Partners	one well +option	low 70’s	mid Jan. 2008	late Mar. 2008	Available; actively marketing.
Ocean Titan	350' IC	GOM	Contracted	Apache	two wells +option	low 80’s	mid Dec. 2007	mid Feb. 2008	Two wells plusoptionin mid 80’s beginningmid Feb. and endingmid April2008. Available; actively marketing.
Ocean Tower	350' IC	GOM	Contracted	Chevron	indexed term contract	low 140’s	early Dec. 2007	late April 2008	Indexed term contract with floor in low 140’s and ceiling in low 200’s. Available; actively marketing.
International Semisubmersibles (19
MEXICO
Ocean Ambassador	1,100'	GOM	Contracted	PEMEX	112-day contract extension	low 190’s	mid Dec. 2007	early April2008	Mobe to U.S. GOM early April to mid April 2008. 5-year survey and maintenance early July to mid Sept. 2008. Available; actively marketing.
Ocean New Era	1,500'	GOM	Contracted	PEMEX	2 1/2-year term	mid 260’s	late Oct. 2007	mid Feb. 2010	Available.
Ocean Voyager	3,000'	GOM	Contracted	PEMEX	2-1/2 year term	mid 330’s	early Nov. 2007	late Feb. 2010	Available.
NORTH SEA/MED
Ocean Nomad	1,200'	North Sea	Contracted	Talisman	18-month extension	mid 280’s	early Feb. 2007	late Sept. 2008	Survey and maintenance beginning mid June 2008 and ending early Aug. 2008; followed by resumption of Talisman extention ending late Sept. 2008; followed bytwo-year term extension with Talisman in mid 330’s beginninglate Sept. 2008 and endinglate Sept. 2010. Available; actively marketing.
Ocean Guardian	1,500'	North Sea	Contracted	Oilexco	two year term	low 350’s	early June 2007	mid July 2009	Intermediate survey and maintenance mid May to late June 2008. Available; actively marketing.
Ocean Princess	1,500'	North Sea	Contracted	Talisman	two year term	mid 150’s	late Jan. 2006	mid Feb. 2008	Two-year term extension with Talisman in mid 330’s beginning mid Feb. 2008 and ending midApril2010.5-year survey and maintenance beginning early Aug. and ending late Sept. 2008. Available; actively marketing.
Ocean Vanguard	1,500'	North Sea	Contracted	Statoil	resume contract	low 160’s	mid Jan. 2008	mid April 2008	Two year extension plusoptionwith Statoil in low 400’s beginning mid April 2008 and ending mid April 2010. Available; actively marketing.
Ocean Lexington	2,200'	Egypt	Contracted	BP	36 month term +option	mid 260’s	late Nov. 2006	midAug. 2009	Available; actively marketing.

3	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

							Dayrate		Est. End
Rig Name	WD		Location	Status	Operator	Current Term	(000s)	Start Date	Date	Future Contracts and Other Information*
AUSTRALASIA
Ocean Bounty		1,500'	Australia	Contracted	Woodside	five wells	high100’s	early May 2007	early Feb. 2008	One year term extension with Woodside in low 350’s beginning in early Feb. as sublet from Chevron, with sublet ending late July 2008; followed bySpecial Survey beginning late July 2008 and ending early Sept. 2008; followed by remainder of one-year term with Woodside in low 350’s beginningearly Sept. 2008 and ending mid March 2009. Available; actively marketing.
Ocean Patriot		1,500'	New Zealand	Contracted	DODI	survey and maintenance	—	—	late Feb. 2008	Last option well exercised with Anzon in low 350’s beginning late Feb. 2008 and ending early April 2008; followed by remainder of Santos term plus option inhigh370’s beginning early April 2008 and ending mid Nov. 2008; followed by two-year term contract in Australia at a dayrate between 380,000 and 420,000*** with Apache, plusoption,beginning mid Nov. 2008 and ending mid Nov. 2010. Available; actively marketing.
Ocean Epoch		1,640'	Australia	Contracted	Shell	term program	low 280’s	early April 2006	mid Feb. 2008	One year term contract with Apache in Australia at a dayrate between 330,000 and 365,000*** beginningmid Feb. 2008 and endingmid Feb. 2009; followed by 550-day term contract in Australia in low 350’s with BHPB, plusoption, beginningmid Feb. 2009 and endingmid Aug.2010. Available; actively marketing.
Ocean General		2,400'	Indonesia	Contracted	Inpex	three wells	mid 130’s	early May 2007	mid Feb. 2008	Two additional wells with Inpex in mid 170’s beginningmid Feb. 2008 and endinglate June2008; followed by5-year survey and maintenance beginning early July and ending late Aug. 2008; followed by LOI for approximately 850 day’s work plusoptionin low 280’s beginninglate Aug.2008 and endingmid Dec.2010. Available; actively marketing.
Ocean Rover		7,000'	Malaysia	Contracted	Murphy	balance of previously declared option wells	high 180’s	late Dec. 2007	early May 2008	5-year survey and maintenance beginning early May 2008 and ending mid June; followed by one deepwater well in mid 350’s beginningmidJune and endingearly Aug.2008; followed by two previously declared option wells in high 240’s beginningearly Aug.and endinglate Sept. 2008; followed by one well with Newfield in Malaysia in low 450’s beginninglate Sept. 2008 and endingearlyNov. 2008; followed by two-year term with Murphy in Malaysia in low 450’s beginningearlyNov. 2008 and endingearlyNov. 2010. Available; actively marketing.

4	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

						Dayrate		Est. End
Rig Name	WD	Location	Status	Operator	Current Term	(000s)	Start Date	Date	Future Contracts and Other Information*
BRAZIL/TRINIDAD
Ocean Worker	3,500'	GOM	Contracted	Petro-Canada	six-month term	low 450’s	mid Nov. 2007	early June2008	Lump sum mobe to Brazil plus subsequent acceptance test beginningearly June2008 and endingmid Sept. 2008; followed by six-year term contract with Petrobras in low 270’s plus potential 10% performance bonus beginningmid Sept.2008 and endingmid Sept.2014. Available.
Ocean Yatzy	3,300'	Brazil	Contracted	Petrobras	four year extension plus potential bonus	mid 110’s	early Oct. 2005	early Oct. 2009	Five-year term extension in mid 240’s plus potential 10% performance bonus beginning early Oct. 2009 and ending early Oct. 2014. Available.
Ocean Concord	2,200'	GOM	Contracted	Petrobras	five year term plus potential bonus	low 230’s	mid Jan. 2008	mid Jan. 2013	Available.
Ocean Whittington	1,500'	Brazil	Contracted	Petrobras	five year term plus potential bonus	mid 220’s	late Aug. 2007	early Oct. 2012	Resume and complete contract upgrade work beginning early Oct. 2008 and ending late Nov. 2008;followed by resumption of five year term in mid 220’s plus potential 15% performance bonus. Available.
Ocean Winner	3,500'	Brazil	Contracted	Petrobras	four year extension plus potential bonus	low 110’s	mid Mar. 2006	mid Mar. 2010	Five-year term extension in low 270’s plus potential 10% performance bonus beginning mid Mar. 2010 and ending mid Mar. 2015. Available.
Ocean Alliance	5,000'	Brazil	Contracted	Petrobras	four year extension plus potential bonus	mid 150’s	mid Jan. 2008	early Sept. 2009	Six-year term extension in low 340’s plus potential 15% performance bonus beginning early Sept. 2009 and ending early Sept. 2015. Available.
International Drillships (1)
Ocean Clipper	7,500'	Brazil	Contracted	DODI	survey and maintenance	—	—	mid Mar. 2008	5-year survey and maintenance beginning late Jan. and ending late March 2008;resume five year extension in low 180’s plus potential 5% performance bonus. Available.
International Jackups (6)
Ocean Sovereign	300' IC	Indonesia	Contracted	Kodeco	18-month term + option	mid 90’s	mid Oct. 2006	mid-April 2008	Intermediate survey mid April to early May 2008;followed by two-year term extension with Kodeco in mid 140’s beginning early May 2008 and ending early May 2010. Available; actively marketing.
Ocean Columbia	250’ IC	GOM	Contracted	Pemex	1-1/2 year term	mid 120’s	late Jan. 2008	mid June 2009	Available; actively marketing.
Ocean Spur	300' IC	Eqypt	Contracted	NOSPCO	180-day term	high 150’s	mid May 2007	midFeb. 2008	Intermediate survey mid Feb. to late Feb. 2008; followed by one well with Gaz de France in Egypt in low 190’s beginninglateFeb. 2008 and ending mid April 2008;followed by one well with British Gas in Egypt in mid 130’s beginning mid April and ending in late May 2008. Available; actively marketing.
Ocean Heritage	300' IC	Qatar	Contracted	QPD	two wells + option	mid 170’s	late Aug. 2007	late Feb. 2008	Available; actively marketing.
Ocean King	300' IC	Croatia	Contracted	CROSCO	two year bareboat charter	high 100's	mid Nov. 2007	mid Nov. 2009	Two-year bareboat charter with Crosco in high 100's, beginning mid Nov. 2007 and ending mid Nov. 2009. Available; actively marketing.
Ocean Nugget	300' IC	GOM	Contracted	Pemex	term contract	high 160’s	early Oct 2006	late Mar. 2009	Available; actively marketing.

5	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

						Dayrate		Est. End
Rig Name	WD	Location	Status	Operator	Current Term	(000s)	Start Date	Date	Future Contracts and Other Information*
Upgrade (1)
Ocean Monarch	2,200'	Shipyard	Upgrading	DODI	—	—		—	Singapore shipyard for upgrade to 10,000 ft. capable 5th Generation rig.Estimated completion,including commissioning and commencement of mobe to GOM, late fourth quarter 2008; followed by completion of mobe to GOM and rig prep ending late Feb. 2009; followed by four-year term, plus option, with Anadarko in the GOM in the mid 420’s beginninglate Feb. 2009 and endinglate Feb. 2013. Available.
Newbuild Rigs Under Construction (2)
Ocean Shield	350' IC	Shipyard	—	—	—	—	—	—	Singapore shipyard,commissioning, mobe to Australia ending late May 2008; followed by one-year term in Australia with ENI in mid 260’s beginning upon delivery in the second quarter of 2008. Available; actively marketing.
Ocean Scepter	350' IC	Shipyard	—	—	—	—	—	—	Brownsville shipyard,commissioning ending late May 2008; followed by mobe to destination to be determined. Available; actively marketing.

NOTES: *Generally, rig utilization rates approach 95-98% during contracted periods; however, utilization rates can be adversely impacted by additional downtime due to unscheduled repairs and maintenance, weather conditions and other factors.**An LOI is subject to customary conditions, including the execution of a definitive agreement, and as such may not result in a binding contract. Options are un-priced and any extension of contract is subject to mutually agreeable terms and conditions unless otherwise indicated. Indexed contracts generally reprice every 30 days. Mobe revenues (if any) and mobe expenses are deferred, and generally are amortized over the life of the contract.GOM = Gulf of Mexico. ***Dayrate range disclosed pursuant to terms of contract.

6	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

EXPECTED DOWNTIME LONGER THAN ONE WEEK (Subject to Change)

Anticipated 2008 Down Days	# Days
Rig	Q1		Q2		Q3		Q4		Total		Comments
Shipyard Time
Yorktown		91		70						161	Complete life extension/5-year survey, mobe to Brazil, acceptance testing
Victory		60								60	Complete 5-year survey and maintenance
Patriot		56								56	5-year survey and maintenance
Clipper		60								60	5-year survey and maintenance
Bounty						41				41	5-year survey and maintenance
Nomad				15		37				52	5-year survey and maintenance
Drake				30		21				51	5-year survey and maintenance
Rover				42						42	5-year survey and maintenance
General						52				52	5-year survey and maintenance
Princess						58				58	5-year survey and maintenance
Guardian				43						43	North Sea intermediate survey and maintenance
Ambassador				15		80				95	Mobe to U.S. GOM (Q2), 5-year survey and maintenance (Q3)
Valiant				28		68				96	5-year survey/replace derrick and other maintenance
		267		243		357		0		867
Other Downtime
Concord		10								10	Complete acceptance testing for Brazil
Columbia		25								25	Complete acceptance testing for Mexico
Spur		7								7	Intermediate survey
Whittington		14						51		65	Redrill following equipment incident (Q1), complete contract upgrade (Q4)
Sovereign				19						19	Intermediate survey and install new top drive system
Worker				30		74				104	Mobe to Brazil, prep for contract, contract acceptance testing
Confidence								14		14	Change out truster
		56		49		74		65		244
Total 2008 Non New-build/Upgrade		323		292		431		65		1111
New-build/Upgrade Downtime	Q1		Q2		Q3		Q4		Total
Shield		91		61						152	Complete construction, commissioning, mobe to Australia for contract
Sceptor		91		61						152	Complete construction, commissioning
Sceptor				??		??				??	Mobe to ??
Monarch		91		91		92		92		366	Complete upgrade, commissioning, begin mobe to U.S. GOM

2009 Estimated Downtime:
	5-year Surveys:Concord (51 days); America (75 days); Champion (35 days); Titan (35 days); Yatzy (42 days)
	Intermediate Surveys (10 days each):Crusader, Columbia, Summit, Nugget, Heritage, Alliance
	Other:	Bounty (240 days repower rig and water depth upgrade); Confidence (14-day thruster changeout); Monarch (60 days complete mobe to GOM and rig prep).

NOTES: *Generally, rig utilization rates approach 95-98% during contracted periods; however, utilization rates can be adversely impacted by

7	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

additional downtime due to unscheduled repairs and maintenance, weather conditions and other factors.

Average Per-Day Rig Operating Costs (in $000’s):

Jack-Ups
GOM	mid 30’s
Mexico	upper 40’s
Mideast	low 50’s
Indonesia	mid 40’s
New-build Australia	mid-80’s
New-build non-Australia	upper 50’s
Bareboat Charter	low 10’s
Semisubmersibles*
GOM 2nd gen.	mid 40’s
GOM 4th gen.	mid 60’s
GOM 4th gen. Victory-class upgrades	mid 50’s
GOM 5th gen. Victory-class upgrades	mid 70’s
GOM 5th gen. upgrade DP	apprx. 100
Mexico mid-water	low 60’s
Brazil mid-water	low 80’s
Brazil mid-water DP	low 90’s
Indonesian mid-water	low 60’s
Australia/New Zealand mid-water	mid 90’s
Malaysia 5th gen. Victory-class upgrade	upper 70’s
UK mid-water	upper 70’s
Norway mid-water	upper 120’s
Eqypt mid-water	lower 70’s
Drillship
Brazil deepwater DP	apprx. 100
Other Per-Day Expense
Spare equipment repair, extra crews, other	upper 50’s
*All floaters conventionally moored unless otherwise noted.

Forward-Looking Statements:The rig status report may contain “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. Forward-looking statements include, without limitation, any statement that may project, indicate or imply future results, events, performance or achievements, and may contain or be identified by the words “expect,” “intend,” “plan,” “predict,” “anticipate,” “estimate,” “believe,” “should,” “could,” “may,” “might,” “will,” “will be,” “will continue,” “will likely result,” “project,” “budget,” “forecast,” and similar expressions. Statements by the Company in the rig status report that contain forward-looking statements include, but are not limited to, statements regarding the current term, future dayrates, start and end dates and comments concerning future contracts and availability, letters of intent, utilization, surveys, downtime and other aspects of the Company’s drilling rigs, as well as statements concerning rigs being upgraded or to be upgraded and rigs under construction. Such statements are inherently subject to a variety of assumptions, risks and uncertainties that could cause actual results to differ materially from those anticipated or projected. A discussion of the risk factors that could impact these areas and the Company’s overall business and financial performance can be found in the Company’s reports and other documents filed with the Securities and Exchange Commission. These factors include, among others, general economic and business conditions, operating risks, casualty losses, industry fleet capacity, changes in foreign and domestic oil and gas exploration and production activity, competition, changes in foreign, political, social and economic conditions, regulatory initiatives and compliance with governmental regulations, customer preferences and various other matters, many of which are

8	DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF
	February 7, 2008

beyond the Company’s control. Given these concerns, investors and analysts should not place undue reliance on forward-looking statements. Each forward-looking statement speaks only as of the date of the rig status report, and the Company undertakes no obligation to publicly update or revise any forward-looking statement.