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All Oil Companies Are Not Alike. NYSE: DNR Corporate Presentation April 2013

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Page 1: 2013 04 ir presentation ipaa

All Oil Companies Are Not Alike.

NYSE: DNR

Corporate Presentation April 2013

Page 2: 2013 04 ir presentation ipaa

2

This page is intentionally left blank

Page 3: 2013 04 ir presentation ipaa

3

About Forward Looking Statements

The data contained in this presentation that are not historical facts are forward-looking statements that involve a number of risks and

uncertainties. Such statements may relate to, among other things, forecasted capital expenditures, drilling activity, completion of

acquisitions or reserves or future production attributable to them, development activities, timing of CO2 injections and initial production

response in tertiary flooding projects, estimated costs, production rates and volumes or forecasts thereof, hydrocarbon reserve quantities

and values, CO2 reserves, helium reserves, potential reserves from tertiary operations, future hydrocarbon prices or assumptions,

liquidity, cash flows, availability of capital, borrowing capacity, finding costs, rates of return, overall economics, net asset values, estimates

of potential or recoverable reserves and anticipated production growth rates in our CO2 models, or estimated production in 2013 and

future production and expenditure estimates, and availability and cost of equipment and services. These forward-looking statements are

generally accompanied by words such as “estimated”, “preliminary”, “projected”, “potential”, “anticipated”, “forecasted” or other words that

convey the uncertainty of future events or outcomes. These statements are based on management’s current plans and assumptions and

are subject to a number of risks and uncertainties as further outlined in our most recent Form 10-K and Form 10-Q filed with the SEC.

Therefore, the actual results may differ materially from the expectations, estimates or assumptions expressed in or implied by any

forward-looking statement made by or on behalf of the Company.

Cautionary Note to U.S. Investors – Current SEC rules regarding oil and gas reserve information allow oil and gas companies to disclose

in filings with the SEC not only proved reserves, but also probable and possible reserves that meet the SEC’s definitions of such terms.

We disclose only proved reserves in our filings with the SEC. Denbury’s proved reserves as of December 31, 2012 were estimated by

DeGolyer & MacNaughton, an independent petroleum engineering firm. In this presentation, we make reference to probable and possible

reserves, some of which have been prepared by our independent engineers and some of which have been prepared by Denbury’s internal

staff of engineers. In this presentation, we also refer to estimates of original oil in place, resource “potential” or other descriptions of

volumes potentially recoverable, which in addition to reserves generally classifiable as probable and possible (2P and 3P reserves),

include estimates of reserves that do not rise to the standards for possible reserves, and which SEC guidelines strictly prohibit us from

including in filings with the SEC. These estimates, as well as the estimates of probable and possible reserves, are by their nature more

speculative than estimates of proved reserves and are subject to greater uncertainties, and accordingly the likelihood of recovering those

reserves is subject to substantially greater risk.

Page 4: 2013 04 ir presentation ipaa

• CO2 EOR is one of the most efficient tertiary oil recovery methods

• 29% compound annual growth rate (CAGR) in our EOR production since 1999

• We have produced over 70 million barrels (net) of oil from CO2 EOR to date

• We acquire mature oil fields and recover oil using carbon dioxide (CO2)

• Competitive advantage: strategic CO2 supply, over 1,100 miles of CO2

pipelines and a large inventory of mature oil fields

Proven

Process

Repeatable

Growth

Unique

Strategy

• We store CO2 captured from industrial facilities, resulting in net carbon

reduction

• By developing existing oil fields, we are disturbing fewer new habitats

• We anticipate a decade of low teens annual EOR production growth

• Over 1 billion barrels of potential oil reserves

• Highest operating margins and capital efficiency in peer group

• Within the next 5 years we anticipate a growing wedge of free cash flow Value

Creation

A Different Kind of Oil Company

4

Page 5: 2013 04 ir presentation ipaa

5 5

Denbury at a Glance

~$7 billion

70,116

$9.9 billion

~17 Tcf

~1,100 miles

~$900 million

Market Cap (3/31/13)

Total Daily Production – BOE/d (4Q12)

Proved PV-10 (12/31/12) $94.71 NYMEX Oil Price

CO2 Supply 3P Reserves (12/31/12)

CO2 Pipelines Operated or Controlled

Credit Facility Availability (12/31/12)(3)

~1.1 BBOE

93%

Total 3P Reserves (12/31/12)

% Oil Production (4Q12)

$3.0 billion Total Net Debt (12/31/12)(3)

(1) Pro forma for CCA acquisition that closed on 3/27/13.

(2) Pro forma production removes 10,064 BOE/d of Bakken area production in 4Q12 and adds 11,000 BOE/d for CCA acquisition that closed on 3/27/13 and 2,400 BOE/d to reflect a full

quarter contribution from Hartzog Draw and Webster fields acquired on 11/30/12.

(3) As of 12/31/12, we had ~ $700 million of borrowings outstanding under our $1.6 billion bank credit facility and our cash and cash equivalents totaled ~$100 million. At 12/31/12, ~$1.05

billion in restricted cash remained deposited with a qualified intermediary which was used to fund the CCA acquisition that closed on 3/27/13. Pro forma for expected deal and stock

repurchases through 2/15/13.

~73,450(2)

~1.2 BBOE

~94%(2)

~$3.1 billion

Pro forma(1)

$11.0 billion

Page 6: 2013 04 ir presentation ipaa

6

What is CO2 EOR & How Much Oil Does It Recover?

Secure CO2 Supply Transport via Pipeline Inject into Oil Field

CO2 EOR recovers up to 50% more oil than

has been produced-to-date(1)

(1) Recovery of Original Oil in Place based on history at Little Creek Field.

Primary

Recovery

~20%

Secondary

Recovery (waterfloods)

~18%

Tertiary

Recovery (CO2 EOR)

~17%

Remaining

Oil

Page 7: 2013 04 ir presentation ipaa

7

Our Two CO2 EOR Target Areas:

Up to 10 Billion Barrels Recoverable with CO2 EOR

Green

Pipeline

Jackson Dome

Delta Pipeline

Sonat MS

Pipeline

ND

SD Lost

Cabin

ID

MT

WY

TX LA

MS

Greencore

Pipeline

(1) Source: DOE 2005 and 2006 reports.

(2) 3P tertiary oil reserve estimates based on year-end 12/31/12 SEC

proved reserves, based on a variety of recovery factors, includes CCA

acquisition that closed on 3/27/13.

Estimated 1.3 to 3.2 Billion Barrels

Recoverable(1)

Estimated 3.4 to 7.5 Billion Barrels

Recoverable(1)

Existing or Proposed CO2 Source

Owned or Contracted

Existing Denbury CO2 Pipelines

Denbury owned Fields With CO2 EOR Potential

Other CO2 Sources

Denbury Gulf Coast Region

587 Million 3P CO2 EOR Barrels(2)

Denbury Rockies Region

331 Million 3P CO2 EOR Barrels(2)

Hartzog Draw Field

Webster Field Free State

Pipeline

Cedar Creek Anticline

Page 8: 2013 04 ir presentation ipaa

8

Jackson Dome

Sonat MS Pipeline

Green Pipeline

Citronelle

(2)

Tinsley

Free State Pipeline

Martinville

Davis Quitman

Heidelberg

Summerland Soso

Sandersville

Eucutta Yellow Creek Cypress Creek

Brookhaven

Mallalieu

Little Creek

Olive

Smithdale

McComb

Donaldsonville

Delhi

Lake

St. John

Cranfield

Lockhart Crossing

Hastings

Conroe

Oyster Bayou

Fig Ridge

Delhi

36 MMBbls

Tinsley

46 MMBbls

Mature Area

178 MMBbls

Oyster Bayou

20 - 30 MMBbls

Conroe

130 MMBbls

(1) Proved tertiary oil reserves based on year-end 12/31/12 SEC proved reserves. Probable and possible tertiary reserve estimates as of 12/31/2012, based on a variety of recovery factors.

(2) Produced-to-Date is cumulative tertiary production through 12/31/12.

(3) Using mid-points of range.

Summary(1)

Proved 201

Potential 386

Produced-to-Date(2) 71

Total MMBbls 658

CO2 EOR in Gulf Coast Region: Control of CO2 Sources & Pipeline Infrastructure Provides a Strategic Advantage

15 - 50 MMBoe

50 – 100 MMBoe

> 100 MMBoe

Denbury Owned Fields – Current CO2 Floods

Denbury Owned Fields – Future CO2 Floods

Fields Owned by Others – CO2 EOR Candidates

Cumulative Production

Thompson

Heidelberg

44 MMBbls

Houston Area Hastings 60 - 80 MMBbls

Webster 60 - 75 MMBbls

Thompson 30 - 60 MMBbls

Other 10 - 20 MMBbls

160 - 235 MMBbls

Webster

Page 9: 2013 04 ir presentation ipaa

9

MONTANA

NORTH DAKOTA

SOUTH DAKOTA

WYOMING

Cedar Creek

Anticline

Elk Basin

Shute Creek

(XOM)

Lost Cabin

(COP)

DGC Beulah

Bell Creek

Riley Ridge

(DNR)

DKRW

Greencore Pipeline

232 Miles

Bell Creek

30 MMBbls(1)

Cedar Creek Anticline Area Existing CCA Fields(1) 200 MMBbls

CCA Acquisition(3) 60-80 MMBbls

260 - 280 MMBbls

(1) Probable and possible tertiary reserve estimates as of 12/31/2012, using mid-point of ranges, based on a variety of recovery factors.

(2) Proved reserves as of 12/31/12 and are presented on a gross working interest or 8/8ths basis, except those reserves recently acquired from

ExxonMobil which are reported net to Denbury’s interest.

(3) Purchased from ConocoPhillips in a transaction that closed on 3/27/13.

Grieve Field

6 MMBbls(1) Existing CO2

Pipeline

Pipelines Denbury Pipelines in Process

Denbury Proposed Pipelines

Pipelines Owned by Others

LaBarge Area(2)

416 BCF Nat Gas

12.0 BCF Helium

3.5 TCF CO2

Other CO2 Sources

CO2 Sources

Existing or Proposed CO2 Source

Owned or Contracted

CO2 EOR in Rocky Mountain Region: Control of CO2 Sources & Pipeline Infrastructure Provides a Strategic Advantage

Hartzog Draw

20 - 30 MMBbls

15 - 50 MMBoe

50 – 100 MMBoe

> 100 MMBoe

Denbury Owned Fields – Future CO2 Floods

Fields Owned by Others – CO2 EOR Candidates

Cumulative Production

Planned

Interconnect (2013)

Summary(1)

Proved ---

Potential 331

Produced-to-Date ---

Total MMBbls 331

Page 10: 2013 04 ir presentation ipaa

10

Texas CO2 Pipeline Expansions – Economies of Scale

$-

$2

$4

$6

$8

$10

$12

$14

Pip

elin

e c

ost

per

tert

iary

Bb

l

Hastings Oyster Bayou Webster Conroe Thompson

Hastings + Oyster Bayou + Webster + Conroe + Thompson

70 MMBbls

95 MMBbls

163 MMBbls

293 MMBbls 338

MMBbls

(1) Using mid-point of ranges and includes costs of Green Pipeline plus forecasted costs for required incremental pipelines to each field.

Page 11: 2013 04 ir presentation ipaa

11

Strategic and Value-Driven M&A Transactions

Assets (Quarter close date)

Est.

Production(1)

(BOE/d)

Est. Proved

Reserves

(MMBOE)

Est. PDP

%

Impact on

Current

FCF(4)

Est. Potential

Reserves(2)

(MMBOE)

Est. Proved

PV10(3)

($Billions)

Non-Core LA & MS (1Q12) 1,400 6 54% + --- 0.2

Non-Operated Greater Aneth (2Q12) 650 6 58% + --- 0.1

Bakken (4Q12) 15,850 109 30% – 191 1.5

Total Sold 17,900 121 33% 191 1.8

Assets (Quarter close date)

Est.

Production(1)

(BOE/d)

Est. Proved

Reserves

(MMBOE)

Est. PDP

%

Impact on

Current

FCF(4)

Est. Potential

Reserves(2)

(MMBOE)

Est. Proved

PV10(3)

($Billions)

Thompson Field (2Q12) 2,200 17 34% + 45 0.5

Webster Field (4Q12) 1,000 4 100% + 68 0.1

Hartzog Draw (4Q12) 2,600 5 100% + 25 0.1

COP CCA Assets (1Q13) 11,000 42 91% + 70 1.1

Total Purchased 16,800 68 78% 208 1.8

XOM LaBarge CO2 (4Q12) Up to 115 MMcf/d Production 1.3 TCF Proved Reserves at 12/31/2012

+ Additional CO2 Supply in the Rockies:

(1) Est. production at time of acquisition, divestiture or agreement to purchase in case of CCA; Bakken area production is actual year-to-date average production through 9/30/12.

(2) Preliminary mid-point of estimates based on internal calculations, refer to slide 3 for full disclosure of forward-looking statements. Potential reserves include probable and

possible reserves.

(3) Estimated discounted net present value of proved reserves or impact of sales on net present value, using a 10% annum discount rate.

(4) Spent $90 million in excess of operating cash flow on Bakken area assets in first nine months of 2012; expect capital expenditures on acquired properties to be minimal.

Divestitures

Acquisitions

+ 0.1

+ 0.3

$2.2

Cash

Received

Purchase

Price

Total

Value:

( )

( )

Page 12: 2013 04 ir presentation ipaa

0

250

500

750

1,000

1,250

12/31/11Proved

Reserves

12/31/12Proved

Reserves

12/31/12EstimatedPro-Forma

ProvedReserves

+CO2 EORPotential

+AdditionalCCA CO2

EORPotential

+RileyRidge

Natural Gas

=TotalPotential

MM

BO

E

12

More than a Billion Barrels of Oil Potential

1,220 70

409 77%

Oil

451

89%

Oil

46

100%

Natural

Gas

(1) Based on year-end 12/31/12 SEC proved reserves.

(2) Based on year-end 12/31/12 SEC proved reserves plus estimated 42 MMBOE for CCA acquisition that closed on 3/27/13.

(3) Estimates based on mid-point of internal estimates, refer to slide 3 for full disclosure of forward-looking statements.

(1)

(2)

(3)

(3)

.....

..... 462

80%

Oil

82%

Oil

100%

Oil

..... 653

100%

Oil

(3)

.....

Page 13: 2013 04 ir presentation ipaa

13

Proven Track Record

Net Daily Oil Production – Tertiary Operations (through 12/31/12)

-

5,000

10,000

15,000

20,000

25,000

30,000

35,000

40,000

1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013E

Ave

rag

e D

ail

y P

rod

uc

tio

n (

Bb

ls/D

)

Mature Properties Tinsley Heidelberg Delhi Oyster Bayou Hastings

29% CAGR

(1999-2012)

Estimated

2013 Range

36,500-to-

39,500

Page 14: 2013 04 ir presentation ipaa

14

Highest Operating Margin in the Peer Group (1)

(1) Data derived from SEC filings, twelve months ended 12/31/12 and includes CLR, CXO, FST, NBL, NFX, PXD, RRC, SD, SM, WLL, and XEC. Calculated as revenues

less lease operating expenses, marketing/transportation expenses, and production and ad valorem taxes. Includes historical data only, not adjusted for the Bakken

transaction or CCA acquisition that closed on 3/27/13.

0

10

20

30

40

50

60

70

DNR Peer A Peer B Peer C Peer D Peer E Peer F Peer G Peer H Peer I Peer J Peer K

$/BOE 12-Months ended 12/31/2012

~94% oil + high LLS exposure = Premium Pricing

Page 15: 2013 04 ir presentation ipaa

15

15 15

Highest Capital Efficiency in Peer Group(1)

TTM EBITDA(4)

Adj. F&D

Efficiency

Ratio =

(3)

331%

264% 244% 240%

206%

181%

151% 140%

85% 82% 74%

0%

50%

100%

150%

200%

250%

300%

350%

DNR Peer A Peer B Peer C Peer D Peer E Peer F Peer G Peer H Peer I Peer J

Adjusted Capital Efficiency Ratio

$60.26

$50.15

$33.57 $32.26

$23.23 $22.82 $21.14 $19.57 $19.39 $18.42

$7.17

$0.00

$10.00

$20.00

$30.00

$40.00

$50.00

$60.00

Peer J Peer H Peer I Peer F Peer D Peer A Peer B Peer E Peer G DNR Peer C

Adjusted 3-Year Finding & Development Cost ($/BOE)(2)

(1) Peer Group includes BRY,CLR,CXO,OAS,PXD,PXP,RRC,SD,SM,WLL. Includes historical data only, excludes impact of CCA acquisition that closed on 3/27/13.

(2) Three years ended 12/32/2012, and includes Encore Acquisition in 2010. calculated as total capital expenditures divided by net reserve additions, including changes in future

development costs and change in unevaluated properties.

(3) Includes 3 year average DD&A for CO2 properties of $0.82 per BOE

(4) Trailing twelve months EBITDA ended 12/31/2012.

Page 16: 2013 04 ir presentation ipaa

16

CO2 EOR – Compelling Economics

(1) Source: KeyBanc as of March 2013. Defined as the threshold WTI oil price necessary to generate a 20% before-tax rate of return. Calculations reflect current type curve and basis

differential of each play. Excludes acreage acquisition cost.

(2) Internal estimate for indicative large CO2 EOR development project in the Gulf Coast Region. Assumes a $5 basis premium. Excludes property acquisition cost.

$50

$63 $64 $65 $68 $70

$74 $76

$83 $83 $87

$0

$10

$20

$30

$40

$50

$60

$70

$80

$90

$100

WTI Breakeven Price for a 20% Before-Tax Rate of Return ($ per Bbl)(1)

Page 17: 2013 04 ir presentation ipaa

CO2 EOR – Primer

Page 18: 2013 04 ir presentation ipaa

Our Core Focus: CO2 EOR

CO2 EOR

Process

Transport via

Pipeline

Capture &

Store CO2

Inject into

Oilfield

Secure CO2

Supply

Sources of CO2

Natural &

Anthropogenic

(Man-made)

Infrastructure Carbon Steel Pipeline

Dry CO2

Dense Phase (>1200 psi)

CO2 EOR

Reservoir

Requirements Adequate Depth (> +/-3000’)

Confining Geologic Seals

Reserve Potential

Rock Characteristics

Captured/

Stored CO2

Positive for US energy

security, the

environment and the

economy

18

Page 19: 2013 04 ir presentation ipaa

19

CO2 EOR – A Brief History

1950 1960 1970 1980 1990 2010 2000

1st Patent on

CO2 EOR

Technology

1952

Field Test

In Mead

Strawn Field

Permian Basin

1964

1st Commercial

CO2 EOR Flood

SACROC

1972

Wasson (DU)

Permian Basin

1983

Seminole

Permian Basin

1983

Permian Basin – West Texas Growth and Expansion

Rangely

Colorado

1986

Salt Creek

Wyoming

2004

Lost Soldier

Wyoming

1989

Rocky Mountain Growth and Expansion

Little Creek

1973

Gulf Coast Growth and Expansion

Bravo Dome

New Mexico

1916

Sheep Mtn

Colorado

1971

McElmo Dome

Colorado

1944

Jackson Dome

Mississippi

1964

Denbury Acquires

Little Creek Field

1999

Page 20: 2013 04 ir presentation ipaa

20

CO2 EOR is a Proven Process

Significant CO2 Suppliers by Region

Gulf Coast Region

• Jackson Dome, MS (Denbury Resources)

Permian Basin Region

• Bravo Dome, NM (Kinder Morgan, Occidental)

• McElmo Dome, CO (ExxonMobil, Kinder Morgan)

• Sheep Mountain, CO (ExxonMobil, Occidental)

Rockies Region

• Riley Ridge, WY (Denbury Resources)

• LaBarge, WY (ExxonMobil, Denbury Resources)

• Lost Cabin, WY (ConocoPhillips)

Canada

• Dakota Gasification – Anthropogenic (Cenovus, Apache)

Significant CO2 EOR Operators by Region

Gulf Coast Region

• Denbury Resources

Permian Basin Region

• Occidental • Kinder Morgan

• Whiting

Rockies Region

• Denbury Resources • Anadarko

Canada

• Cenovus • Apache

Jackson

Dome

Bravo

Dome

Riley Ridge

& LaBarge

Lost

Cabin

DGC

McElmo

Dome

Significant CO2 Source

-

50

100

150

200

250

300

1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012

MB

bls

/d

CO2 EOR Oil Production by Region

Gulf Coast/Other

Mid-Continent

Rocky Mountains

Permian Basin

Page 21: 2013 04 ir presentation ipaa

Step 1: Secure CO2 Supply

● In the Gulf Coast region,

Denbury has a natural source

of CO2 at Jackson Dome in

Mississippi and is also using

CO2 captured from industrial

facilities.

● Denbury is sourcing CO2 for its

Rocky Mountain region

operations from LaBarge Field

and the Lost Cabin gas plant,

both in Wyoming.

Secure CO2

Supply

21

Page 22: 2013 04 ir presentation ipaa

Current U.S. CO2 Sources & Pipelines

22

LaBarge

Ridgeway CO2 Discovery

McElmo Dome

Sheep Mountain

Bravo Dome

Ammonia Plant

Gas Plants

Jackson Dome

CO2 to Canada

Antrim Gas Plant

Great Plains Coal Gasification Plant

Legend

0

1,000

2,000

3,000

4,000

5,000

6,000

2000 2010 2015E

MM

cf/

D

Sources of CO2 Supply for EOR in US(1)

HydrocarbonConversion withCO2 Capture

Natural GasProcessing

Natural Sources

(1) DiPietro P. & Balash P. (2011). A Note on Sources of CO2 Supply for Enhanced Oil Recovery Operations, NETL.

Existing Natural CO2 Sources

Existing Anthropogenic Sources

Anthropogenic Under Construction

Existing/Future EOR Fields

Lost Cabin

Air Products

PCS Nitrogen

Page 23: 2013 04 ir presentation ipaa

23 23

CO2 Supply to Support Gulf Coast Growth

Note: Forecast based on internal management estimates and includes fields currently owned. Actual results may vary.

0

200

400

600

800

1,000

1,200

1,400

1,600

1,800

2010 2012 2014 2016 2018 2020 2022

CO

2 V

olu

me

s, M

MC

FP

D

JACKSON DOME

PROVED RESERVES ~6.1 TCF

Estimated as of 12/31/2012

JACKSON DOME

RISKED DRILLING PROGRAM

ANTHROPOGENIC SUPPLY-

Executed Agreements with Future Construction

Additional CO2 Potential (not reflected in graph)

Probable & Possible Reserves: ~3 TCF

Improved Recovery of Proved Reserves: ~0.8 TCF

Recycle: ~3 TCF

Page 24: 2013 04 ir presentation ipaa

24

Gulf Coast Industrial Partners

Air Products

• Port Arthur, Texas

• Hydrogen Plant

• Capture Date: 1Q 2013

• Quantity: ~50 MMcf/d

PCS Nitrogen

• Geismar, Louisiana

• Ammonia Products

• Capture Date: ~2Q 2013

• Quantity: ~25 MMcf/d

Mississippi Power – (Under Construction)

• Kemper County, MS

• Gasifier

• Capture Date: ~2014

• Quantity: ~115 MMcf/d

Lake Charles Cogeneration(1)

• Lake Charles, Louisiana

• Petroleum Coke to

Methanol Plant

• Capture Date: ~2018

• Quantity: >200 MMcf/d

Ammonia Plant(1)

• Near Green Pipeline

• Capture Date: ~1Q 2016

• Quantity: ~85 MMcf/d

Chemical Plant(1)

• Near Green Pipeline

• Capture Date: ~2020

• Quantity: ~200 MMcf/d

Currently Producing or Under Construction

Future Construction (currently planned or proposed)

Page 25: 2013 04 ir presentation ipaa

CO2 Supply to Support Rocky Mountain Growth

25

LaBarge Area

● Estimated Field Size: 750 Square Miles

● Estimated 100 TCF of CO2 Recoverable

Riley Ridge – Denbury Operated

● 100% WI in 9,700 acre Riley Ridge Federal Unit

● 33% WI in ~28,000 acre Horseshoe Unit

● Estimated 2.2 TCF CO2 proved reserves

Shute Creek – XOM Operated

● Denbury has acquired 1/3 of XOM’s CO2 reserves

● Based on XOM’s current plant capacity and availability, Denbury could receive up to ~115 MMcfpd of CO2 from the plant

● Estimated 0.3 TCF CO2 proved reserves

LaBarge Area(1)

416 BCF Nat Gas

12.0 BCF Helium

3.5 TCF CO2

1) Proved reserves as of 12/31/2012

Composition of Produced Gas Stream:

~65% CO2; ~19% Natural Gas; ~5% Hydrogen

Sulfide; <1% Helium, and other gasses

Page 26: 2013 04 ir presentation ipaa

Step 2: Transport via Pipeline

● In the Gulf Coast region, Denbury

currently operates or controls over

900 miles of CO2 pipelines and

plans to construct another pipeline

to Conroe Field

● In the Rocky Mountain region,

Denbury finished constructing a

232-mile CO2 pipeline in

December 2012

● Denbury will own, operate, or

control ~1,650 miles of CO2

pipelines once currently planned

construction is complete.

Transport via

Pipeline

26

Page 27: 2013 04 ir presentation ipaa

27

Major Denbury Pipelines

Gulf Coast

Green Pipeline 325 miles

Completed in December 2010

Rocky Mountain

Greencore Pipeline Initial 232 miles

Completed in December 2012

Page 28: 2013 04 ir presentation ipaa

Steps 3 and 4: CO2 Enhanced Oil Recovery and Storage

● CO2 EOR operations have

demonstrated the ability to

recover significant amounts of

additional oil, and also provide a

method to store man-made CO2

in underground oil reservoirs

CO2 EOR

& Storage

28

Page 29: 2013 04 ir presentation ipaa

How much oil remains in an old oil field?

29

Initial Discovery

Conditions

After Primary

Recovery

After Secondary

Recovery

(Waterflooding)

After Tertiary

Recovery

(CO2 EOR)

Oil Saturation

~70%

Oil Saturation

~50%

Oil Saturation

~30%

Oil Saturation

~15%

Oil

Sand Grain

with water

coating Isolated oil droplets

Remaining

CO2

At Microscopic Level

Page 30: 2013 04 ir presentation ipaa

Define target oil volume

30

Using two proven methodologies provides us with a high degree

of confidence with a relatively small range of outcomes.

Original Oil in Place – Oil Produced =

Remaining Oil Volume

Size of Reservoir x Current Oil Saturation =

Remaining Oil Volume

Original

Oil In

Place Remaining

Oil

Volume

Oil

Produced

Reservoir Size

Oil Saturation

Page 31: 2013 04 ir presentation ipaa

31

Will CO2 recover additional oil?

31

Depends on how well CO2

mixes with oil

Composition of oil, pressure

and temperature of reservoir

determine mixing

characteristics

Recovery = the % of oil recovered

Minimal Miscibility Pressure (MMP) = pressure where CO2 & oil

mix together completely

At Microscopic Level

Estimated MMP to occur @ 2400 psig

% O

il R

ec

ove

ry

Page 32: 2013 04 ir presentation ipaa

Contacting oil with CO2 drives production rates

32

Volumetric Sweep

Efficiency is the

volume of rock

contacted by CO2

Injector Producer

CO2

The greater the volume of reservoir contacted by CO2, the greater the oil recovery

(larger the volumetric sweep efficiency)

Historical waterflood performance is a predictor of sweep efficiency

CO2 injection rates

drive the speed of

oil recovery -

The more CO2

injected, the faster

the oil comes out

Page 33: 2013 04 ir presentation ipaa

Actual Industry Recovery Curves

33

Range of

Recovery

10%-18%

Page 34: 2013 04 ir presentation ipaa

Actual Curves – Denbury Mature Fields

34

Range of

Recovery

11%-20+%

Page 35: 2013 04 ir presentation ipaa

Repeatable Process

35

Tools,

Process,

Equipment,

Technical Knowledge

Size of Field

Field Locations

Character of Rock

Variables we will continue

to encounter as we

expand operating areas

Constants that make the

process successful and

repeatable

Page 36: 2013 04 ir presentation ipaa

36

Why is CO2 EOR our core focus?

● High Confidence of Oil Target

Over 90 million barrels (gross) produced by Denbury to date

Net upward adjustments to reserves-to-date

● CO2 Flooding Recovers Oil (CO2 ♥’s Crude Oil)

First commercial CO2 EOR flood started production in 1972

Over 1.5 billion barrels produced to date in the US(1)

Current estimated production in the US is >280 MBbls/d(2)

● A Very Repeatable Process with a lot of Running Room

Up to 10 Billion Barrels Recoverable with CO2 EOR in our two operating areas

Over 900 Million Barrels (net) of CO2 EOR potential in our portfolio today

(1) Oil & Gas Journal, Dec. 7, 2009

(2) Oil & Gas Journal, July 2, 2012

Page 37: 2013 04 ir presentation ipaa

37

CO2 EOR – A Better Mousetrap

CO2 EOR Shale Plays

Proof of New Basin None $$$$$

Competition for Services Minor Heavy

Known Oil Target Yes No

Predictable Type Curve

Tighter range of outcomes early

in play. Learning applicable to

analogous fields

Wider range of outcomes early in

play. Range declines with

learning curve

Precise Timing of

Production Response More Difficult

Use type curve once established

(2-3 years)

$ Profit / $ Invested Higher Lower – “Treadmill”

% Crude Nearly 100% Lower – variable by basin

Reserve Booking

None until clear production

response; incremental adds

follow

Book surrounding PUD’s after

drilling well

Environmental Impact

Existing oil fields store CO2 with a

minimal footprint and little use of

natural resources

Large footprint with large

amounts of water used for

fracturing wells

Total Costs Lower Finding & Development

costs; Higher Operating Costs

Higher Finding & Development

costs; Lower Operating Costs

Page 38: 2013 04 ir presentation ipaa

38

0

2,000

4,000

6,000

8,000

10,000

12,000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Pro

du

ctio

n (B

bls

/d)

Years

Gulf Coast EOR Field

Bakken

CO2 EOR – Superior Production Profile

Capital Spending per

Year Based on EOR

Spending Pattern

Year $MM

1 83

2 83

3 60

4 60

5 68

6 52

7 52

8 52

9 45

Total $555

Note: Assumes 700 BOEPD initial 30 day rate for Bakken wells.

Pro

duction (

BO

EP

D)

Projected Production Profile with Same Capital Spending

Page 39: 2013 04 ir presentation ipaa

Outlook

Page 40: 2013 04 ir presentation ipaa

2013 Summary Guidance(1)

CO2 Pipelines $110MM

Tertiary Floods

$540MM

All Other

$150 MM

CO2 Sources

$200MM

2013 Capital Budget – $1.0 Billion(2) 2013 Production Estimate

(1) See slide 3 for full disclosure of forward-looking statements.

(2) Excludes capitalized exploration, capitalized interest and capitalized pre-production EOR startup costs, estimated at $150 million.

(3) Includes impact of CCA acquisition that closed on 3/27/13. See slide 52 for more details.

(4) Total stock purchased since October 2011 is 34.6 million shares at about $15 per share, as of 2/20/13.

(5) Including capitalized exploration, capitalized interest and capitalized pre-production EOR startup costs, estimated at $150 million.

~$250 million remains under current stock repurchase authorization.

Stock re-purchased to date increases production per share ~9%(4)

40

We estimate the 2013 capital program(5) to be more than self-funded at

~low to mid $90’s NYMEX WTI crude oil price.

Operating area 2012

(BOE/d)

2013E

(BOE/d)

2013E

Growth

Tertiary Oil Fields 35,206 36,500-

39,500 4-12%

Non-Tertiary Oil Fields 21,636 24,500

CCA Acquisition(3) --- 7,700

Total Estimated

Production 56,842

68,700-

71,700 21-26%

Page 41: 2013 04 ir presentation ipaa

($MM) 12/31/12

Pro forma for

debt offering

12/31/12

Cash and cash equivalents(1) $99 $99

Bank credit facility(2) (Borrowing base of $1.6 billion, matures May 2016) 700 209

9.75% Sr. Sub Notes due 2016 (Callable March 2013 at 104.875% of par) 413 ---

9.50% Sr. Sub Notes due 2016 (Callable May 2013 at 104.75% of par) 234 ---

8.25% Sr. Sub Notes due 2020 (Callable February 2015 at 104.125% of par) 996 996

6.375% Sr. Sub Notes due 2021 (Callable August 2016 at 103.188% of par) 400 400

4.625% Sr. Sub Notes due 2023 (Callable January 2018 at 102.313% of par) --- 1,200

Other Encore Sr. Sub Notes 4 4

Genesis pipeline financings / other capital leases 357 357

Total long-term debt(3) $3,104 $3,166

Equity 5,115 5,115

Total capitalization $8,219 $8,281

Annualized 4Q12 Adjusted cash flow from operations(4) $1,431 $1,431

Net Debt to Annualized 4Q12 Adjusted cash flow from operations(4) 2.1x 2.1x

Net Debt to Annualized 4Q12 EBITDA(4) 1.9x 1.9x

Debt to total capitalization 38% 38%

Strong Financial Position

(1) As of 12/31/12, our cash and cash equivalents totaled ~$100 million. At 12/31/12, ~$1.05 billion in restricted cash remained deposited with a qualified intermediary designated for the

acquisition of CCA, which closed at the end of March 2013.

(2) As of 12/31/12, we had ~$700 million of borrowings outstanding under our $1.6 billion bank credit facility.

(3) Excludes current portion of capital lease obligations and pipeline financings totaling $36.6 million.

(4) A non-GAAP measure; please visit our website for a full reconciliation. Represents historical amounts not adjusted for the Bakken Exchange Transaction or recent CCA acquisition. Adjusted

cash flow from operations excludes current taxes related to the Bakken Exchange Transaction in Q4 2012 of approximately $42 million.

Record low

yield for non-

investment

grade sub.

notes

offering

41

Page 42: 2013 04 ir presentation ipaa

42

Hedges Protect Against Downside in Near-Term(1)

(1) Figures and averages as of 4/10/13.

(2) All crude oil derivative contracts are based on West Texas Intermediate (WTI) NYMEX price basis.

(3) Averages are volume weighted.

Crude Oil (2) 2013 2014 2015

2nd Quarter 3rd Quarter 4th Quarter 1st Half 2nd Half 1st Quarter

Volumes hedged (Bbls/d) 56,000 56,000 54,000 56,000 54,000 20,000

Principal price floors ~$80 ~$80 $80 $80 $80 ~$80

Principal price ceilings(3) ~$109 ~$109 ~$118 ~$102 ~$98 ~$98

Page 43: 2013 04 ir presentation ipaa

43 43

A Decade of CO2 EOR Production Growth(1)

-200

300

800

1,300

1,800

2,300

0

20,000

40,000

60,000

80,000

100,000

120,000

2012 2014 2016 2018 2020 2022E

Esti

mate

d C

O2 E

OR

Cap

ital

Bu

dg

et

($M

M)

Esti

mate

d C

O2 E

OR

Pro

du

cti

on

(B

bls

/d)

100,000

35,206

● Bell Creek

● Webster

● Hartzog Draw

● Conroe

● Cedar Creek Anticline

● Thompson

Expected Peak

CO2 EOR Cap-Ex

(1) 2013 and future forecasted capital expenditures and production may differ materially from actual results. Does not include recently completed

incremental CCA acquisition. See slide 3 for full disclosure of forward-looking statements.

Anticipating Average Annual Percentage Growth Rate in the Low Teens

Page 44: 2013 04 ir presentation ipaa

2005 2006 2007 2008 2009 2010 2011 2012 2013E 2014E 2015E 2016E

Cu

mu

lati

ve F

ree C

ash

Flo

w (

$M

M)

Cumulative Gulf Coast Tertiary Free Cash Flows (1)

44 44

CO2 EOR – Proven Free Cash Flow Generator

(1) Calculated from actual historical operating cash flow (revenues less operating expenses) less capital expenditures and currently projected operating

income and capital expenditures in 2012 and beyond using a flat $90 NYMEX crude oil price. Includes Jackson Dome and Pipeline expenditures in Gulf

Coast, and also includes recently closed acquisition of Webster. See slide 3 for full disclosure of forward-looking statements.

+/- $1.7 Billion

First Year of

Free Cash Flow

Page 45: 2013 04 ir presentation ipaa

45 45

Estimated CO2 EOR Peak Production Rates

Operating Area First

Production

Estimated Peak Production Rate

(Net MBOE/d) Expected

Peak Year

Produced

to date(1)

(MMBOE)

Proved

Remaining(1)

(MMBOE)

Potential

Remaining(2)

(MMBOE) < 5 5-10 10-15 15-20 > 20

Mature Area 1999 2010 54 54 70

Tinsley 2008 2012-14 9 28 9

Heidelberg 2009 2018-20 3 35 6

Delhi 2010 2015-17 3 25 8

Oyster Bayou 2012 2015-17 <1 14 11

Hastings 2012 2018-20 1 45 24

Bell Creek 2013 2019-21 --- --- 30

Webster 2015 2022-25 --- --- 68

Hartzog Draw 2016 2021-23 --- --- 25

Conroe 2017 2033-35 --- --- 130

Cedar Creek Anticline(3) 2017 2023-27(3) --- --- 200(3)

Thompson 2019 2025-27 --- --- 45

Expected year of first tertiary production.

(1) Tertiary oil production and reserves as of 12/31/2012

(2) Based on internal estimates of reserve recovery, using mid-points of ranges.

(3) Does not include impact of CCA acquisition that closed on 3/27/13. Potential tertiary reserves for CCA acquisition are currently estimated at 60-80 MMBOE.

Page 46: 2013 04 ir presentation ipaa

46

• Significant strategic advantage in CO2 EOR

• Well defined and focused long-term growth strategy

• Highest operating margin and capital efficiency in peer group

• Substantial free cash flow generation from CO2 EOR after up-

front investment in infrastructure

IN SUMMARY: A Different Kind of Oil Company

Leading CO2 Enhanced Oil Recovery Company in the U.S. with a Unique Profile

Page 47: 2013 04 ir presentation ipaa

47 47

Corporate Information

Corporate Headquarters

Denbury Resources Inc.

5320 Legacy Drive

Plano, Texas 75024

Ph: (972) 673-2000 Fax: (972) 673-2150

denbury.com

Contact Information

Phil Rykhoek

President & CEO

(972) 673-2000

Mark Allen

Senior VP & CFO

(972) 673-2000

Jack Collins

Executive Director, Investor Relations

(972) 673-2028

[email protected]

Page 48: 2013 04 ir presentation ipaa

Appendix

Page 49: 2013 04 ir presentation ipaa

49

CO2 Operations: Oil Recovery Process

CO2 PIPELINE - from natural and/or

anthropogenic sources

CO2 moves through formation mixing with oil droplets, expanding them and moving them to producing wells.

INJECTION WELL - Injects

CO2 in dense phase

PRODUCTION WELLS

Produce oil, water and CO2 (CO2 is recycled)

Model for Oil Recovery Using CO2 is +/- 17%

of Original Oil in Place (Based on Little Creek)

Primary recovery = +/- 20%

Secondary recovery (waterfloods) = +/- 18%

Tertiary (CO2) = +/- 17%

Oil Formation

Page 50: 2013 04 ir presentation ipaa

50

CO2 EOR – Proven Value Creation

Investments – Inception-to-12/31/2012 ($) Billions

Gulf Coast EOR Fields $3.0

Gulf Coast CO2 Sources & Pipelines 2.0

Less Undeveloped:

EOR Fields 0.1

CO2 Pipelines 0.2

(0.3)

Net Investment-to-Date – Proved Properties 4.7

Inception-to-Date Net Revenues 4.1

Net Cash flow (0.6)

PV10 of proved EOR at 12/31/2012 6.8

Value Created $6.2

Page 51: 2013 04 ir presentation ipaa

51

Encore Acquisition was Highly Profitable

Purchase price: (Billions)

Equity $2.8

Debt assumed 1.0

Total value $3.8

Value: (Estimated values at $94.71/Bbl – 12/31/12 SEC Pricing)

Proved reserves at 12/31/12 $1.5

Value received from sold properties ~3.6

Net cash flow from 3/9/10 to 9/30/12

0.4

Total ~$5.5

Additional potential:

CO2 EOR potential 230 MMBOE

(1)

(2)

(1) Excludes consolidated ENP debt and minority interest in ENP.

(2) Excludes sold properties, and ENP reserves.

(3) Includes ~$2 billion of estimated value of Bakken sale.

(4) Made up of CO2 EOR potential at Bell Creek and CCA acquired from Encore.

(3)

(4)

Page 52: 2013 04 ir presentation ipaa

52

Acquisition of Cedar Creek Anticline Fields

Transaction Terms

● $1.05 billion cash, prior to working capital adjustments

● Acquisition closed on 3/27/2013 with a 1/1/2013 effective

date

● The original oil in place of all units in the CCA is estimated

at over three billion barrels of oil

● Including this acquisition, we estimate that a CO2 flood of

our CCA assets could recover between 260-280 million

barrels of oil

● Average daily production of ~11,000 barrels of oil

equivalent per day (~95% oil, ~4% NGLs) during 4Q 2012

● We estimate the acquired properties to add ~7,700 BOE/d

to our 2013 production estimates

● Conventional (non-tertiary) reserves ~42 million boe

MO

NT

AN

A

NO

RT

H D

AK

OT

A

DAWSON

PRAIRIE

WIBAUX

GOLDEN

VALLEY

FALLON

SLOPE

BOWMAN

Glendive North

Glendive Gas City

North Pine

South Pine

Cabin Creek

Monarch

Pennel

Coral Creek

Little Beaver

East Lookout Butte

Existing CCA Properties CCA Acquisition CCA Fields Owned by Others

Cedar Hills South Unit

Page 53: 2013 04 ir presentation ipaa

53 53

-

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

0% 50% 100% 150% 200% 250% 300% 350%

P/2

013 C

FP

S

P/Proved NAV

Median

Denbury

Denbury vs. Peer Group Trading Multiples

Source: KeyBanc – Net Asset Values (NAVs) based on YE12 proved reserves and KeyBanc price deck with balance sheet adjustments to reflect

latest 10K; March 2013. Peer Group includes CLR, CXO, FST, NFX, PXD, RRC, SD, SM, WLL, XEC. Pricing as of 3/29/2013.

Page 54: 2013 04 ir presentation ipaa

Plateau

Incline (Yrs) Plateau (Yrs) Decline (Yrs)

Large Fields 6 6.5 30

Average Fields 4.5 5.5 25

Small Fields 4 5 20

Pro

du

cti

on

Rate

CO2 EOR Generalized Type Curve

54

Page 55: 2013 04 ir presentation ipaa

55

Capital Spending Range for CO2 Floods

55

0

10

20

30

40

50

60

70

80

90

100

1 2 3 4 5

% o

f T

ota

l C

ap

ital

Year

Page 56: 2013 04 ir presentation ipaa

56

• We attempt to balance development expenditures with free cash flow

• In contrast to shale plays, a reduction in EOR capital spending will not

immediately impact EOR production growth

• Our newer EOR projects have many years of production growth with fairly low

capital expenditures

• It is relatively easy to slow the development pace of EOR projects - most Rocky

Mountain EOR infrastructure development could be delayed if necessary

• No lease expiration issues and limited capital commitments on EOR projects

• We can hold production flat over the next several years using 50% or less of our

2013 forecasted capital expenditures

Capital Spending Flexibility in Low Oil Price Environment

Unique characteristics of CO2 EOR provides significant capital flexibility

Page 57: 2013 04 ir presentation ipaa

57

Proved Reserve Changes

Estimated

Proved

Reserves

(MMBOE)

Estimated

PV10

($Billion)

SEC Proved Reserves 12/31/11 462 $10.6

New CO2 Floods (Oyster Bayou & Hastings) 57

Extensions & Discoveries and Improved Recovery 29

Acquisitions (Thompson, Hartzog & Webster) 28

Divestitures (Non-Core Assets & Bakken area assets) (124)

Estimated 2012 Production (26)

Price Effect(1) (7)

Other Estimated Revisions (10)

SEC Proved Reserves 12/31/12 409 $9.9

COP CCA Acquisition(2) ~42 1.1

Estimated Pro-Forma Proved Reserves ~451 $11.0

(1) Primarily due to lower natural gas prices.

(2) COP CCA acquisition closed on 3/27/13.

Page 58: 2013 04 ir presentation ipaa

58

Production by Area (BOE/d)(1)

Operating area 1Q12 2Q12 3Q12 4Q12 2012 2013E

Tertiary Oil Fields 33,257 35,208 34,786 37,550 35,206 36,500 – 39,500

Cedar Creek Anticline(2) 8,496 8,535 8,490 8,493 8,503 16,200

Other Rockies Non-Tertiary 3,204 3,060 3,037 3,616 3,231 5,400

Texas Non-Tertiary 3,674 4,573 5,173 5,513 4,737 6,300

Other Gulf Coast Non-Tertiary 5,854 5,401 4,538 4,880 5,165 4,300

Total Continuing Production 54,485 56,777 56,024 60,052 56,842 68,700 – 71,700

Bakken Area 15,285 15,503 16,752 10,064 14,395 ~94% Oil

Gulf Coast Non-Core Properties 1,054 --- --- --- 262

Paradox Basin Properties 708 57 --- --- 190

Total Production 71,532 72,337 72,776 70,116 71,689

(1) See slide 3 for full disclosure of forward-looking statements.

(2) Includes impact of CCA acquisition that closed on 3/27/13.

Page 59: 2013 04 ir presentation ipaa

59

Tertiary Production by Field

Average Daily Production (BOE/d)

Field 2008 2009 2010 2011 2012 1Q12 2Q12 3Q12 4Q12

Brookhaven 2,826 3,416 3,429 3,255 2,692 3,014 2,779 2,460 2,520

Little Creek Area 1,683 1,502 1,805 1,561 1,091 1,216 1,131 1,021 999

Mallalieu Area 5,686 4,107 3,377 2,693 2,338 2,585 2,461 2,181 2,127

McComb Area 1,901 2,391 2,342 1,997 1,785 1,746 1,902 1,769 1,722

Lockhart Crossing 186 804 1,397 1,465 1,176 1,284 1,313 1,039 1,072

Martinville 865 877 720 462 507 551 480 476 522

Eucutta 3,109 3,985 3,495 3,121 2,868 3,090 2,870 2,782 2,730

Soso 2,111 2,834 3,065 2,347 1,989 2,063 1,947 1,923 2,021

Heidelberg --- 651 2,454 3,448 3,763 3,583 3,823 3,716 3,930

Tinsley 1,010 3,328 5,584 6,743 7,947 7,297 8,168 8,153 8,166

Cranfield --- 448 911 1,123 1,159 1,152 1,094 1,119 1,269

Delhi --- --- 483 2,739 4,315 4,181 4,023 3,813 5,237

Hastings --- --- --- --- 2,188 618 1,913 2,794 3,409

Oyster Bayou --- --- --- 5 1,388 877 1,304 1,540 1,826

Total Tertiary Production 19,377 24,343 29,062 30,959 35,206 33,257 35,208 34,786 37,550

Page 60: 2013 04 ir presentation ipaa

60

Analysis of Tertiary Operating Costs

Correlation

w/Oil

3Q10

$/BOE

4Q10

$/BOE

1Q11

$/BOE

2Q11

$/BOE

3Q11

$/BOE

4Q11

$/BOE

1Q12

$/BOE

2Q12

$/BOE

3Q12

$/BOE

4Q12

$/BOE

CO2 Costs Direct $4.52 $5.38 $5.39 $5.43 $4.87 $4.53 $5.76 $5.14 $4.96 $5.21

Power & Fuel Partially 6.03 5.76 6.12 6.17 6.24 6.71 6.71 6.69 6.69 5.98

Labor & Overhead None 3.70 3.43 3.94 3.77 3.85 3.90 4.59 4.64 4.74 4.57

Equipment Rental None 1.93 1.79 2.20 1.52 2.28 2.38 2.30 0.15 0.08 0.15

Chemicals Partially 1.73 1.67 1.62 1.44 1.80 1.67 1.63 1.27 1.46 1.59

Workovers Partially 2.78 2.36 3.75 2.53 3.44 2.68 3.43 3.01 3.68 3.30

Other None 1.68 1.34 1.91 2.01 2.43 1.72 2.32 2.05 1.89 1.79

Total $22.37 $21.73 $24.93 $22.87 $24.91 $23.59 $26.74 $22.95 $23.50 $22.59

NYMEX Oil Price $76.09 $85.16 $94.26 $102.58 $89.60 $93.93 $102.89 $93.49 $92.29 $88.18

Page 61: 2013 04 ir presentation ipaa

61

Pro Forma Bakken Transaction

4Q 2012 Pro Forma(1)

Production (BOE/d) 70,116 60,052

% Oil Production 93% 95%

NYMEX Oil Price Differential ($/Bbl) $9.43 $11.65

LOE/BOE $21.61 $24.33

Operating Margin/BOE(2) $65.33 $66.07

DD&A/BOE(3) $18.20 ~$19.00 to ~$21.00

Bakken Area Cash Flow ($MM) YTD 12/31/2012

Operating Cash Flow(4) $300

Capital Expenditures (430)

Net ($130)

(1) Pro forma for recently closed Bakken sale, does not include Webster or Hartzog Draw. Also does not include recently announced CCA acquisition.

(2) Calculated as oil, natural gas, and related product sales less production and ad valorem taxes and LOE.

(3) Preliminary estimate, subject to change materially.

(4) Cash flow from operations before working capital reflecting only results from the portion of 4Q before sale of Bakken assets.

Page 62: 2013 04 ir presentation ipaa

62

NYMEX Differential Summary

Crude Oil Differentials 3Q10 4Q10 1Q11 2Q11 3Q11 4Q11 1Q12 2Q12 3Q12 4Q12

Tertiary Oil Fields $0.66 $0.90 $4.33 $9.69 $14.84 $19.44 $9.80 $13.60 $10.61 $15.57

Mississippi (7.59) (8.02) (4.50) 1.32 7.25 6.98 2.44 8.63 2.48 10.82

Texas (3.67) (4.33) (4.29) (3.46) 1.19 12.29 1.77 5.38 5.46 13.10

Cedar Creek Anticline (5.70) (5.01) (3.27) 1.25 0.85 (0.29) (9.89) (7.44) (9.26) (0.23)

Bakken Area Assets (1) (11.41) (13.24) (11.67) (9.61) (5.67) (8.45) (16.96) (20.07) (16.32) (5.35)

Other Rockies (10.88) (11.64) (12.04) (6.25) (6.25) (8.11) (16.30) (16.67) (14.42) (6.57)

Denbury Totals ($3.86) ($3.90) ($0.59) $3.72 $7.25 $9.14 ($0.37) $2.14 $0.80 $9.43

(1) Represents certain Bakken area assets sold at the end of Nov. 2012.

Page 63: 2013 04 ir presentation ipaa

$75

$85

$95

$105

$115

$125

$135

Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12 Oct-12 Nov-12 Dec-12 Jan-13 Feb-13 Mar-13 Apr-13

WTI BRENT LLS

63

Tracking Oil Prices

WTI NYMEX

Brent

Light Louisiana Sweet

● We currently sell ~45% of our oil production based on LLS index price,

~25% based on various other indexes, most of which have also improved

relative to WTI, but to a lesser degree

Page 64: 2013 04 ir presentation ipaa

64

64

Crude Oil Hedge Detail

(1) All crude oil derivative contracts settled based on West Texas Intermediate (WTI) NYMEX prices.

(2) Averages are volume weighted

2013 Crude Oil Hedges (BOPD)(1)

Average(2) Ceiling

Instrument Volume Floor Ceiling Low High

Q2 Collars 4,000 75.00 118.25 115.00 121.50

10,000 80.00 105.65 104.50 106.50

42,000 80.00 108.40 108.00 109.60

Q3 Collars 4,000 75.00 126.80 120.50 133.10

12,000 80.00 105.58 104.50 106.50

40,000 80.00 108.46 108.00 109.60

Q4 Collars 16,000 80.00 103.39 102.25 105.00

20,000 80.00 120.66 120.00 121.50

18,000 80.00 126.63 126.00 127.50

2014 Crude Oil Hedges (BOPD)(1)

Average(2) Ceiling

Instrument Volume Floor Ceiling Low High

1H Collars 10,000 80.00 97.88 96.55 99.00

16,000 80.00 102.43 101.60 102.70

24,000 80.00 103.32 103.00 103.90

6,000 80.00 104.23 104.10 104.50

2H Collars 20,000 80.00 96.77 96.55 96.90

16,000 80.00 97.36 97.00 97.75

18,000 80.00 98.73 98.40 99.00

2015 Crude Oil Hedges (BOPD)(1)

Average(2) Ceiling

Instrument Volume Floor Ceiling Low High

Q1 Collars 20,000 80.00 98.33 96.00 100.90