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8-K - FORM 8-K - DORCHESTER MINERALS, L.P.d8k.htm
Dorchester Minerals, LP
1
Dorchester Minerals, LP
Annual Meeting
May 12, 2010
Exhibit 99.1


Dorchester Minerals, LP
2
Forward-Looking Statements
Portions of this document may constitute "forward-looking
statements" as defined by federal law. Such statements are
subject to certain risks, uncertainties and assumptions.
Should one or more of these risks or uncertainties
materialize, or should underlying assumptions prove
incorrect, actual results may vary materially from those
anticipated, estimated or projected. Examples of such
uncertainties and risk factors include, but are not limited to,
changes in the price or demand for oil and natural gas,
changes in the operations on or development of the
Partnership’s properties, changes in economic and industry
conditions and changes in regulatory requirements (including
changes in environmental requirements) and the
Partnership’s consolidated financial position, business
strategy and other plans and objectives for future operations.
These and other factors are set forth in the Partnership's
filings with the Securities and Exchange Commission.


Dorchester Minerals, LP
3
Overview of 2009
Distributions and Financial Results
Production and Reserves
Peer Group Analysis
Royalty Cash Receipts
Maecenas Minerals Acquisition
Property Highlights
Portfolio Overview
Royalty Properties
Net Profits Interests
Developing Plays
Presentation Outline


Dorchester Minerals, LP
4
Overview of 2009 Results


Dorchester Minerals, LP
5
2009 Distributions
Royalty
Revenue
$37.3 MM
Total Revenue
$50.2 MM
Other
Revenue
$0.9 MM
NPI
Revenue
$12.0 MM
LP
Distribution
$43.3 MM
GP
Distribution
$1.4 MM
Total
Expenses
$5.5 MM
Cash Distributions Paid in Calendar 2009
Reflects Q4 2008 to Q3 2009 activity


Dorchester Minerals, LP
6
2009 Financial Results
$49.2
$56.8
$79.8
$74.9
$65.4
Operating Revenue ($MM)
Gas Price ($/Mcf)
Distributions ($/unit)
Revenue –
Price –
Distributions
Royalty properties contributed 77% to total operating revenues
Gross Revenue
63% gas sales, 36% oil sales, 1% other revenue
NPI and lease bonuses have become a smaller portion of revenues
$89.9
$43.6
Note: Gross Revenue does not reflect production costs or other expenses incorporated in calculating the net profits interest payments to LP distributions
$0
$20
$40
$60
$80
$100
2003
2004
2005
2006
2007
2008
2009
$0.00
$2.00
$4.00
$6.00
$8.00
$10.00
Royalties
NPI
Lease Bonus
Gas Price ($/Mcf)
2003
2004
2005
2006
2007
2008
2009
$0.00
$1.00
$2.00
$3.00
$4.00
$5.00
Distributions
Gas Price ($/Mcf)


Dorchester Minerals, LP
7
2009 Production Overview
Geographic Breakdown
Fayetteville
Shale (RI)       
4%
Mid-Continent
(Other)             
6%
West TX/ 
SE NM 
7%
Gulf Coast/
South TX
10%
Miscellaneous
33%
Mid-Continent 
(Hugoton NPI)  
36%
Daily Production (MMcfepd)
1.6%
Annualized Decline
10.5%
Decline Since Inception
1.4%
3-year Decline Rate
(1.2%)
1-year Decline Rate
Production Profile
Total Production of 10.33 Bcfe
82% of total production was natural gas, 18% oil and condensate
High quality properties + Diverse portfolio
Low decline rate
Year-over-year production rate increased 1.2%
Note: Total production on wellhead basis, daily production on sales basis, gas-oil equivalency based on 6:1 ratio
Barnett
Shale   
4%
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
2003
2004
2005
2006
2007
2008
2009
2010
2011
Forecasted Prod.
Actual Prod.


Dorchester Minerals, LP
8
2009 Reserves Overview
Total Proved Reserves of 79.9 Bcfe
on 12/31/09
Gas &
NGL
75%
Oil
25%
NPI
32%
Royalty
68%
Year-end Reserves (Bcfe)
0
20
40
60
80
100
Actual
01/31/2003
Projected
12/31/2009
Actual
12/31/2009
79.9
97.0
21.5
Cumulative Reserve Revisions (Bcfe)
2003-2009
Production
(75.5 Bcfe)
All reported reserves are Proved Developed
Demonstrated history of positive revisions
Revisions and acquisitions account for            
73% of current reserves
Driven by new plays, field extensions,                         
infill drilling, new technology, etc.
2.8% of reserves from Fayetteville Shale (RI only)
Reserve
Revisions
(48.0 Bcfe)
Reserve
Acquisitions
(10.4 Bcfe)
Reserve
Base 
(21.5 Bcfe)
Note: 10.4 Bcf
of acquired reserves at time transactions closed.
0
20
40
60
80
100
'Feb
2003
2003
2004
2005
2006
2007
2008
2009
Base
Revisions
Acquisitions


Dorchester Minerals, LP
9
Peer Group Comparison
30
40
50
60
70
80
90
100
110
120
2003
2004
2005
2006
2007
2008
2009
Normalized Reserves (Indexed to 2003)
30
40
50
60
70
80
90
100
110
120
2003
2004
2005
2006
2007
2008
2009
Normalized Production (Indexed to 2003)
Reserves and Production Performance
DMLP is a cross between a royalty trust with 100% net profits interests (SJT) and one
with 100% royalties (SBR), plus the upside of a large non-producing mineral portfolio
with potential for future drilling and development
DMLP has the ability to expand its portfolio of assets through acquisitions
DMLP
HGT
SJT
PBT
MTR
CRT
SBR
Source: SEC 10-K filings


Dorchester Minerals, LP
10
Peer Group Comparison
80
90
100
110
120
130
140
150
160
Jan
Feb
Mar
Apr
YTD 2010 Normalized Returns (reinvested)
0
100
200
300
400
500
600
700
2003
2004
2005
2006
2007
2008
2009
2010
2003-2009 Normalized Returns (reinvested)
Market Performance
Pure
royalties
lack
operating
leverage
inherent
in
net
profits
interests
Less
volatility
Underperforming in high price environment (mid-2008)
Outperforming in low price environment (mid-2009) due to lower fixed cost structure
DMLP
HGT
SJT
PBT
MTR
CRT
SBR
Note: Dist. reinvested on last day of quarter


Dorchester Minerals, LP
11
Royalty Cash Receipts
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Oil and Gas
Produced
Cash
receipts
begin
1st Quarter
Distribution
declared
Dist. Paid   
(Feb-Mar cash)
2nd Quarter
Distribution
declared
Dist. Paid   
(Apr-Jun cash)
LP distribution of all cash attributable to January production
may occur as late as August , a 7-month time lag
Long delay between production and cash distribution
Cash receipts extend over multiple months due to adjustments, releases, etc.
Prices
can
change
dramatically
between
production
and
payment
of
distribution
Example of a typical cash receipt cycle : 


Dorchester Minerals, LP
12
Royalty Cash Receipts
Long delay between production and cash distribution
Peak cash receipt month was June 2008
Peak distribution was paid in November 2008
Actual cash receipts, distributions and gas price:
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Jan-07
Jan-08
Jan-09
Jan-10
$0.00
$2.00
$4.00
$6.00
$8.00
$10.00
$12.00
$14.00
Total Cash Receipts
Cash Distributions
Gas Price (HSC)
Cash Receipts/Distribution ($MM)
HSC Gas Price ($/Mcf)


Dorchester Minerals, LP
13
Maecenas Minerals
Acquisition


Dorchester Minerals, LP
14
Maecenas Minerals Acquisition
Minerals
and
Royalties
206
counties
in
17
states
Closed transaction on 03/31/10 as a non-taxable exchange for 835,000 units
Assets concentrated in Texas and North Dakota with increased exposure to oil plays
Permian Basin
Seminole
(San
Andres),
Goldsmith,
Wolfberry
potential
Williston Basin
Cedar
Hills
South
Unit,
Bakken
and
Three
Forks/Sanish
potential
DMLP already
owns
interests
in
all
acquired
properties
no
additional
overhead
Simple integration into existing accounting and land systems
Portfolio includes significant undeveloped acreage with upside potential
Analysis of Q1 2010 cash receipts:
$0.468
$0.406
Cash per Unit
$0.39 MM
$12.13 MM
Cash to LP
835,000
29,840,431
Units
15.3%
Maecenas Minerals
DMLP (stand-alone)
Accretion


Dorchester Minerals, LP
15
Maecenas Minerals Acquisition
Goldsmith
Andector
Unit
Ector
County,
Texas
Representative of assets in the Maecenas portfolio
Substantial
production
from
large
multi-well
units
with
little
concentration
of
risk
Long-life
reserves
+
Diversified
base
+
Development
potential
Stable
decline
profile
Adding
high
quality
properties
improves
DMLP’s
decline
curve
Gross Daily Oil Rate (boepd)
1,000
10,000
100,000
2003
2004
2005
2006
2007
2008
2009
2010
174 Wells
291 Wells


Dorchester Minerals, LP
16
Property Highlights
Royalty Properties


Dorchester Minerals, LP
17
Property Highlights
Williston     
101,810 net acres
Mid-Continent      
35,223 net acres
Texas          
141,581 net acres
Gulf Coast      
18,819 net acres
Eastern       
25,273 net acres
Appalachia      
23,834 net acres
Other        
3,783 net acres
Rockies      
5,369 net acres
Mineral Portfolio Overview
355,692 net acres (3,122,867 gross acres) –
574 counties in 25 states
Majority of acreage is undeveloped
Wide geographic spread including most major producing basins
Assets range from mature legacy production to areas with exploratory potential
Expansion  
Potential
Ongoing
Development
Legacy
Production
Basin/Area
Three Forks    
Sanish
Bakken
Red River
Nesson
Anticline
Williston
Basin
Marcellus/Utica
Upper Devonian       
Appalachia
Horizontal    
Granite Wash
Fayetteville
Hugoton
Mid-Continent
Horizontal Wilcox
Bob West
Jeffress
McAllen Ranch
Gulf Coast
South Texas
Delaware Basin
West TX Overthrust
Wolfberry
Denver Unit
Wasson
West Texas  
Southeast NM
Note: Acreage count as of 12/31/2009, excludes Maecenas transaction


Dorchester Minerals, LP
18
Royalty Properties
Leasing and Development Activity
Consummated 53 leases/elections on 1,724 net acres in 22 counties/
parishes in four states
Lease bonus payments up to $1,200/acre
Initial royalty terms up to 30%
92 active lease offers as of May 2010
Identified 353 new wells on royalty properties in 11 states
Fayetteville Shale activity continued to ramp up in 2009
Low price environment reduced infill drilling and redevelopment on
legacy properties


Dorchester Minerals, LP
19
Property Highlights
Barnett Shale


Dorchester Minerals, LP
20
Royalty Properties
Barnett
Shale
Tarrant
County,
Texas
Closed transaction on 06/30/09 as a non-taxable
exchange for 1,600,000 units
Producing and non-producing royalty and ORRI’s
100% undivided mineral interest in 6 tracts totaling 1,824
acres and overriding royalty interests in 2 of these tracts
NRIs
range from 0.5% to 20%
High quality, long-life reserves with development potential
Properties integrated into DMLP royalty system with
minimal additional overhead
New play adds diversification to DMLP’s
existing portfolio
Analysis of Q2 2009 to Q1 2010 cash receipts:
$1.675
$1.278
Cash per Unit
$2.68 MM
$36.09 MM
Cash to LP
1,600,000
28,240,431
Units
31.1%
Barnett Shale
DMLP (stand-alone)
Accretion


Dorchester Minerals, LP
21
1,000
10,000
100,000
2005
2006
2007
2008
2009
2010
0
15
30
45
60
Current Development Activity (CHK Operated)
29 producing wells
7 wells drilling or waiting on pipeline
5 permitted locations
Upside potential in undeveloped acreage, downspacing
and improved stimulation
Royalty Properties
Gross Daily Gas Rate (Mcfepd)
Well Count
Barnett Shale –
Tarrant County, Texas
DMLP Acquired
Interest
41 wells/permits


Dorchester Minerals, LP
22
Property Highlights
Net Profits Interests


Dorchester Minerals, LP
23
Net Profits Interests
NPI Provides LP Exposure to Working Interest
Potential Without Generating UBTI
Four NPI groups were created at the time of formation in 2003
Capitalize on strong negotiating position to capture additional value
Leverage information franchise
Optional working interest participation in numerous leases
Minerals NPI represents the majority of new development activity
Elected to participated in 56 wells in Arkansas and Oklahoma
30 wells completed in 2009
11 wells in various stages of drilling or completion at year-end 2009
15 wells waiting to spud at year-end 2009


Dorchester Minerals, LP
24
1%
99%
Minerals NPI
Other NPI
Net Profits Interests
$0.0
$1.0
$2.0
$3.0
$4.0
$5.0
$6.0
Historical NPI CAPEX ($MM)
2009 NPI CAPEX
Capital Expenditures Through Year-end 2009
$21.6 million of cumulative investments in all net profits interest properties
2009 capital investments virtually unchanged from 2008
Majority of CAPEX was used to drill new wells in the Minerals NPI
Continue to reinvest Minerals NPI cash flow


Dorchester Minerals, LP
25
Net Profits Interests
Minerals NPI Performance
Production and reserves growing steadily since inception
204 wells/units producing in Q4 2009 (175 in pay status)
2.6 Bcfe
in production receipts through year-end 2009
Total
proved
reserves
of
3.4
Bcfe
at
year-end
2009,
a
43%
increase
over
2008
Minerals NPI production and reserves are not included in DMLP results
Note: Gas rate based on sales volumes
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
2003
2004
2005
2006
2007
2008
2009
Proved Reserves (Bcfe)
Net Daily Gas Rate (Mcfd)
100
1,000
10,000
2003
2004
2005
2006
2007
2008
2009
2010


Dorchester Minerals, LP
26
Net Profits Interests
($4.0)
($3.0)
($2.0)
($1.0)
$0.0
$1.0
2003
2004
2005
2006
2007
2008
2009
2010
Investment
Net Operating Income
Surplus (Deficit)
($MM)
Minerals
NPI
Cash
Flow
Inception
through
Q1
2010
Cumulative Revenue
$19.1 MM
Cumulative Expense (LOE, taxes, etc)
($3.4 MM)
Cumulative Operating Income
$15.7 MM
Cumulative Investment
($18.7 MM)
Cumulative Surplus (Deficit)
($3.0 MM)
Surplus balance must
be positive before the
Minerals NPI contributes
to LP distributions
Note: Figures provide on a cash basis


Dorchester Minerals, LP
27
Net Profits Interests
Hugoton
Area
Operated
Properties
2009 production within 1% of projection
Year-over-year decline of 7.2%
World-class asset but limited upside potential
Gas Rate (Mcfepd)
Well Count
1,000
10,000
100,000
2003
2004
2005
2006
2007
2008
2009
2010
0
50
100
150
200
Note: Gas rate based on sales volumes


Dorchester Minerals, LP
28
Property Highlights
Fayetteville Shale


Dorchester Minerals, LP
29
Fayetteville Shale
Eastern
Arkoma
Basin
Northern
Arkansas
Ownership summary
23,336 gross/11,464 net acres in trend
196 sections in 8 counties
“Hybrid”
leases in 179 sections (9,800 net acres)
Bonus and 25% royalty retained by DMLP
Participation option owned by the operating partnership
Option may be exercised on a well-by-well basis
Leverage data gained through mineral ownership
Working interests subject to Minerals NPI
2.6%
3.5%
111
Optional WI (NPI)
4.7%
0.0%
Avg. WI
4.7%
4
Unleased
MI (NPI)
2.1%
179
Royalty (DMLP)
Avg. NRI
Sections
Interest Type


Dorchester Minerals, LP
30
Fayetteville Shale
Six County Core Area
Current development activity on DMLP acreage
142 wells completed as producers (110 in pay status)
58 wells in various stages of drilling or completion
27 wells permitted and/or proposed by operator
Drilling or permitting activity has occurred on 48% of DMLP sections (28% in 2008)
Dorchester Acreage
Wells with IP > 6 MMcfd
Productive Fairway
2,264 Producing Wells
428 Active Permits
290 Locations
Note:
Data
from
HPDI,
“Active
Permit”
well
spud
but
not
completed,
“Location”
well
permitted
but
not
spud
227 wells/permits


Dorchester Minerals, LP
31
Fayetteville Shale
Development activity remains at high levels, driven by SWN and CHK
Well spuds have been outpaced by well permits, a leading indicator
Substantial
time-lag
between
permit
and
first
payment
359
days
Permitting, Drilling and Payment History
First       
Payment
First
Production
Well    
Spud
Well
Permitted
54 days
118 days
187 days
Well Count
0
5
10
15
20
25
Q1
07
Q2
07
Q3
07
Q4
07
Q1
08
Q2
08
Q3
08
Q4
08
Q1
09
Q2
09
Q3
09
Q4
09
Q1
10
New Permits
New Wells Spud
1st Payment Received


Dorchester Minerals, LP
32
Capital Expenditures
Fayetteville Shale
2009 Reserves
0.0
1.0
2.0
3.0
4.0
5.0
2006
2007
2008
2009
DMLP (RI)
Minerals NPI (WI)
Proved Reserves (Bcf)
Year-end reserves of 4.9 Bcf
(124 wells)
2.3 Bcf
(WI)
2.6 Bcf
(RI)
69% Year-over-year reserve increase
Only completed wells with test rates are
included in reserve estimates (no PUDs)
0.0
1.0
2.0
3.0
4.0
5.0
2006
2007
2008
2009
Capital Expenditures ($MM)
All expenditures within Minerals NPI
Total Fayetteville investments of
$10.4 MM through Q1 2010
Average $3.1 MM per well in 2009
Drilling and completion costs may
increase with longer lateral lengths


Dorchester Minerals, LP
33
Well Performance
Production Results
Fayetteville Shale
Net Daily Production (Mcfd)
0
1,000
2,000
3,000
4,000
5,000
2006
2007
2008
2009
2010
Net RI Production
Net WI Production
123 wells producing at year-end 2009
2.4 MMcfd
(WI)
2.0 MMcfd
(RI)
91% Year-over-year rate increase
Produced 1.2 Bcf
in 2009
54% from working interest wells
Normalized Production Rate (Mcfd)
0
500
1,000
1,500
2,000
2,500
3,000
3,500
0
2
4
6
8
10
12
2.0 Bcf (SEECO)
2.5 Bcf (SEECO)
3.0 Bcf (SEECO)
DMLP (2009 Avg)
Months on Production
Improved stimulation and longer laterals
have increased average initial rate
2006
1.9 MMcfd
(Max 2.9 MMcfd)
2007
1.7 MMcfd
(Max 3.5 MMcfd)
2008
2.4 MMcfd
(Max 5.5 MMcfd)
2009
3.1 MMcfd
(Max 5.9 MMcfd)
Note:
Volumes
from
AOGC,
1
st
point
on
DMLP
normalize
curve
based
on
estimates
from
partial
month
data
4.4 MMcfd


Dorchester Minerals, LP
34
Property Highlights
Horizontal Bakken


Dorchester Minerals, LP
35
Horizontal Bakken
Williston Basin –
Northwestern North Dakota
Diversified acreage position
70,390 gross acres/9,503 net acres
Operators:  Continental, EOG, Whiting, Marathon
Elected non-consent option in 88 wells to date
Average royalty of all leases in unit (~15% royalty)
Back-in for 100% WI after payout + 50% penalty
Working interest subject to Minerals NPI
Historical activity trend:
0
5
10
15
20
Q1
07
Q2
07
Q3
07
Q4
07
Q1
08
Q2
08
Q3
08
Q4
08
Q1
09
Q2
09
Q3
09
Q4
09
Q1
10
New Permits
New Wells Spud
Wells Reaching Payout
Well Count


Dorchester Minerals, LP
36
Horizontal Bakken
Six County Core Area
Current development activity on DMLP acreage
64 wells completed as producers (4 reached payout status)
14 wells in various stages of drilling or completion
10 wells permitted and/or proposed by operator
Rig count has increased 268% since May 2009
Three rigs currently drilling on DMLP acreage
Parshall,
Sanish
&
Stanley
fields   
(426 nma)
Lila  
1-36H
Owan-Nehring
27-34 1H
Harstad
1-18-19H
2.45%
0.42%
561
Lila 1-36H (Continental)
0.11%
1.65%
5.82%
2.47%
19.76%
APO
NRI
0.02%
0.21%
0.73%
0.52%
4.15%
BPO
NRI
Test Rate
(boepd)
Well Name (Operator)
1,476
McGregor 1-15H (Continental)
2,513
Owan-Nehring
27-34 1H (BEXP)
681
Harstad
18-19H (Fidelity)
1,639
Pederson 1-33H (EOG)
1,693
Austin 20-29H (EOG)
Pederson
1-33H
Austin
20-29H
McGregor
1-15H
88 wells/permits


Dorchester Minerals, LP
37
Developing Play
Highlights


Dorchester Minerals, LP
38
Developing Play Highlights
Devonian Shale (Appalachia)
New York and Pennsylvania
Concentrated acreage position
32,447 gross acres
24,774 net acres
70% in Allegany and Steuben Counties, NY
Challenging political environment in New York
Potential targets
Upper Devonian oil (shallow)
Marcellus/Devonian shale gas (middle)
Trenton-Black River gas (deep)
Operators: Anadarko, Cabot, Chesapeake,
EOG, EXCO, Fortuna Energy, Range, XTO
No reserves booked in 2009
Allegany & Steuben
Counties


Dorchester Minerals, LP
39
Developing Play Highlights
Southern Tier NY & Northern Tier PA
Regulatory
environment
in
New
York
has
limited
activity
relative
to
Pennsylvania
Prospectivity
of
acreage
in
Allegany
and
Steuben
Counties
is
undetermined
due
to
limited testing of potential shale gas zones
Continuing to monitor industry activity in the area
Allegany
13,216 nma
Steuben
4,714 nma
Chemung
308 nma
Schuyler
459 nma
Tioga
163 nma
Bradford
0 nma
Potter
846 nma
McKean
1,158 nma
Cattaraugus
0 nma
Tioga
41 nma
NY
PA
NY
PA


Dorchester Minerals, LP
40
Developing Play Highlights
Granite Wash –
Texas Panhandle
Concentrated acreage position in Northeast Wheeler County
DMLP owns 5,444 gross/1,189 net acres
Substantial liquids component to production
Multiple active lease offers
Horizontal Wells/Permits
NFX: 10.1 MMcfd
NFX: 12.7 MMcfd
FST: 10.2 MMcfd
NFX: 16.1 MMcfd
CHK: 18.5 MMcfd
DVN: 18.0 MMcfd
NFX: 20.1 MMcfd
APA: 6.6 MMcfd


Dorchester Minerals, LP
41
Dorchester Minerals, LP
Annual Meeting
May 12, 2010


Dorchester Minerals, LP
42
Appendix


Dorchester Minerals, LP
43
What is the Minerals NPI and How Does it Work?
Appendix
Upon its formation, Dorchester Minerals, LP (DMLP, the public partnership and owner of the mineral
interests) provided for future development opportunities on its undeveloped mineral interests by the
creation of the Minerals Net Profits Interest (Minerals NPI).
DMLP has negotiated and may continue to negotiate the right but not the obligation to participate in
development activity in addition to retaining a royalty interest.
This right may take the form of an optional heads-up (unpromoted) working interest, carried working
interest or reversionary (back-in) working interest. In some instances, an unleased
mineral interest may
be treated as a working interest subject to statutory non-consent provisions.
DMLP assigns this right to Dorchester Minerals Operating LP (the
operating partnership or DMOLP)
subject to the terms of the Minerals NPI.
DMOLP is an indirect wholly owned affiliate of DMLP’s
General Partner.
DMOLP funds all costs associated with this right, including drilling and completion costs.
DMLP and its partners are not liable for any costs or expenses.
DMOLP pays to DMLP 96.97% of the monthly “Net Proceeds”
attributable to the properties subject to the
Minerals NPI.
Net Proceeds is defined as total revenues less total expenses plus an amount equivalent to interest at a
prevailing rate on any prior period deficit balance. In other words, DMOLP pays 100% of all costs,
receives 100% of all revenues plus interest, and thereafter (sometimes called “Payout”) pays 96.97% of
net cashflow
to DMLP.
LP distributions reflect 96% of royalty net cashflow
and 99% of NPI net cashflow
99% x 96.97% = 96%.


Dorchester Minerals, LP
44
Appendix
DMLP
Lease to third party for
royalty and optional
participation right
Participation right
assigned to DMOLP
NPI payment  
(96.97% of cash flow)
Distributable Cash
DMOLP pays 100% of costs
and receives 100% of revenue
plus interest equivalent on
total NPI basis
Royalty             
(100% of cash flow)
General Partner               
4% of royalties                
1% of NPI’s
Limited Partners               
96% of royalties                
99% of NPI’s
What is the Minerals NPI and How Does it Work?


Dorchester Minerals, LP
45
Appendix
Distribution Determinations
4% of Net Cash Receipts from Royalty Properties
$ --------
$1,309
96% of Net Cash Receipts from Royalty Properties
$31,416
$ --------
1% of Net Profits Interests Paid to our Partnership
$ --------
$120
Total Distributions
$43,299
$1,429
99% of Net Profits Interests Paid to our Partnership
$11,883
$ --------
Operating Partnership Share (3.03% of Net Proceeds)
$ --------
$375
Total General Partner Share
$1,804
% Total
96%
4%
Limited
Partners
General
Partner
Period from October 2008 through September 2009
($ thousands)


Dorchester Minerals, LP
46
Appendix
2009 Cash
Distributions
$44.7 MM
Mgmt GP
Mgmt LP
Other LP
$1.4 MM
$3.6 MM
$39.7 MM
Mgmt LP is 2.6
times Mgmt GP
Alignment of GP and LP interests
GP has no incentive distribution rights –
fixed sharing ratio
Management’s LP interest exceeds its GP interest
Not incentivized to make dilutive transactions
88.8 %
8.1 %
3.1 %


Dorchester Minerals, LP
47
Operating Leverage –
Royalty Interest vs. NPI
Appendix
Net Profits Interest
Royalty Interest
1,000 Mcf
$6.00/Mcf
$6,000
($0)
$6,000
25% Royalty
$1,500
1,000 Mcf
$7.80/Mcf
$7,800
($0)
$7,800
25% Royalty
$1,950
1,000 Mcf
$6.00/Mcf
$6,000
($1,000)
$5,000
25% NPI
$1,250
1,000 Mcf
$7.80/Mcf
$7,800
($1,000)
$6,800
25% NPI
$1,700
30% Increase in   
Royalty Cash Flow
36% Increase in   
NPI Cash Flow
30% Increase in Gas Price
Production Volume
Gas Price
Revenue
Fixed Production Costs
Operating Income
Net Interest
Net Cash Flow
Production Volume
Gas Price
Revenue
Fixed Production Costs
Operating Income
Net Interest
Net Cash Flow