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PrimeWest Energy Trust Announces Operating and Financial Results for the Fourth Quarter and Year Ended December 31, 2004

    CALGARY, ALBERTA--(CCNMatthews - Feb. 24, 2005) - PrimeWest Energy Trust 
(TSX:PWI.UN) (TSX:PWX) (TSX:PWI.DB.A) (TSX:PWI.DB.B) (NYSE:PWI) 
(PrimeWest or the Trust) today announced interim operating and financial 
results for the fourth quarter and year ended December 31, 2004. Unless 
otherwise noted, all figures contained in this report are in Canadian 
dollars.

Fourth Quarter Highlights:

- In the fourth quarter PrimeWest closed non-core asset sales for net 
proceeds of $88.1 million. These funds were used to reduce the amount 
drawn on the bank credit facility. In addition another $5.4 million of 
assets were held for sale and closed in February 2005.

- Year-end net debt to annualized fourth quarter 2004 cash flow is 1.7 
times.

- Fourth quarter production averaged 44,368 barrels of oil equivalent 
(BOE) per day, compared to the third quarter 2004 rate of 35,460 BOE/day.

- Distributions of $0.90 per unit represent a payout ratio of 
approximately 76%, compared to third quarter 2004 distributions of $0.83 
per unit, representing a payout ratio of approximately 74%.

- Cash flow from operations of $81.8 million ($1.07 per unit) compared 
to $68.3 million ($1.06 per unit) in the third quarter of 2004, 
primarily due to a continued strong commodity price environment and 
increased production volumes from the Calpine asset acquisition.

- Year end Proved plus Probable Reserve Life Index increased to 10.3 
years from 9.8 years at the end of 2003.

Subsequent Events

- On January 26, 2005 Standard and Poors announced the inclusion of 
income trusts in the S&P/TSX Composite Index, Canada's benchmark stock 
index. Specifics regarding the inclusion process, including the impact 
on PrimeWest is expected  to be announced by mid-year 2005.

- On January 27, 2005 the unitholders of Calpine Natural Gas Trust 
approved the business combination of Calpine Natural Gas Trust and 
Viking Energy Royalty Trust. As a result PrimeWest's 25% unit ownership 
of Calpine Natural Gas Trust has been converted into an 8.3% ownership 
of Viking Energy Trust. As of February 24, 2005, PrimeWest has sold its 
8.3% ownership of Viking Energy Trust and has received gross proceeds of 
$95.8 million.

Legislative Changes

- On December 6, 2004, the Government of Canada suspended legislation 
that would have restricted the non-resident ownership of income trusts. 
The Government proceeded with the proposed changes to non-resident
withholding tax and non-resident unitholders are encouraged to contact
their tax advisors.

Forward Looking Information

This MD&A contains forward-looking or outlook information with respect 
to PrimeWest.

The use of any of the words "anticipate, "continue, "estimate", 
"expect", "may", "will", "project", "should", "believe", "outlook" and 
similar expressions are intended to identify forward-looking statements. 
These statements involve known and unknown risks, uncertainties and 
other factors that may cause actual results or events to differ 
materially from those anticipated in our forward-looking statements. We 
believe the expectations reflected in those forward-looking statements 
are reasonable. However, we cannot assure you that these expectations 
will prove to be correct. You should not unduly rely on forward-looking 
statements included in this report. These statements speak only as of 
the date of this MD&A.

In particular, this MD&A contains forward-looking statements pertaining 
to the following:

- The quantity and recoverability of our reserves;

- The timing and amount of future production;

- Prices for oil, natural gas, and natural gas liquids produced;

- Operating and other costs;

- Business strategies and plans of management;

- Supply and demand for oil and natural gas;

- Expectations regarding our ability to raise capital and to add to our 
reserves through acquisitions and exploration and development;

- Our treatment under governmental regulatory regimes;

- The focus of capital expenditures on development activity rather than 
exploration;

- The sale, farming in, farming out or development of certain 
exploration properties using third party resources;

- The objective to achieve a predictable level of monthly cash 
distributions;

- The use of development activity and acquisitions to replace and add to 
reserves;

- The impact of changes in oil and natural gas prices on cash flow after 
hedging;

- Drilling plans;

- The existence, operations and strategy of the commodity price risk 
management program;

- The approximate and maximum amount of forward sales and hedging to be 
employed;

- The Trust's acquisition strategy, the criteria to be considered in 
connection therewith and the benefits to be derived there from;

- The impact of the Canadian federal and provincial governmental 
regulation on the Trust relative to other oil and gas issuers of similar 
size;

- The goal to sustain or grow production and reserves through prudent 
management and acquisitions;

- The emergence of accretive growth opportunities, and

- The Trust's ability to benefit from the combination of growth 
opportunities and the ability to grow through the capital markets.

Our actual results could differ materially from those anticipated in 
these forward-looking statements as a result of the risk factors set 
forth below and elsewhere in this MD&A.

- Volatility in market prices for oil and natural gas;

- The impact of weather conditions on seasonal demand;

- Risks inherent in our oil and gas operations;

- Uncertainties associated with estimating reserves;

- Competition for, among other things; capital, acquisitions of 
reserves, undeveloped lands and skilled personnel;

- Incorrect assessments of the value of acquisitions;

- Geological, technical, drilling and processing problems;

- General economic conditions in Canada, the United States and globally;

- Industry conditions, including fluctuations in the price of oil and 
natural gas;

- Royalties payable in respect of PrimeWest's oil and gas production;

- Governmental regulation of the oil and gas industry, including 
environmental regulation;

- Fluctuation in foreign exchange or interest rates;

- Unanticipated operating events that can reduce production or cause 
production to be shut-in or delayed;

- Failure to obtain industry partner and other third party consents and 
approvals, when required;

- Stock market volatility and market valuations;

- OPEC's ability to control production to balance global supply and 
demand at desired price levels;

- Political uncertainty, including the risks of hostilities, in the 
petroleum producing regions of the world;

- The need to obtain required approvals from regulatory authorities, and

- The other factors discussed under "Operational and Other Business 
Risks" in this MD&A.

These factors should not be construed as exhaustive.

Management's Discussion and Analysis

The following is management's discussion and analysis (MD&A) of 
PrimeWest's operating and financial results for the three months and the 
twelve months ended December 31, 2004 compared with the preceding 
quarter and the corresponding
period in the prior year as well as information and opinions concerning 
the Trust's future outlook based on currently available information. 
This discussion should be read in conjunction with the Trust's audited 
consolidated financial statements for the years ended December 31, 2004 
and 2003, together with accompanying notes.

/T/

Financial and Operating Highlights - Fourth Quarter

Financial Highlights                      Three Months Ended
                              ---------------------------------------
($ millions, except per BOE         Dec 31,      Sep 30,      Dec 31,
 and per Trust Unit amounts)          2004         2004         2003
---------------------------------------------------------------------
Gross revenue (net of
 transportation)                     169.3        125.4         97.1
 per BOE(1)                          41.46        38.43        32.88
Cash flow from operations             81.8         66.8         43.2
 per BOE                             20.05        20.48        14.62
 per Trust Unit(2)                    1.07         1.04         0.86
Royalty expense                       41.8         28.9         21.1
 per BOE                             10.24         8.86         7.13
Operating expenses                    28.3         21.4         21.2
 per BOE                              6.94         6.56         7.18
G&A expenses - Cash                    7.9          3.4          4.1
 per BOE                              1.93         1.03         1.37
G&A expenses - Non-cash                2.3         14.1          8.5
 per BOE                              0.56         4.31         2.88
Interest expense(3)                   11.7          4.4          4.1
 per BOE                              2.86         1.35         1.37
Distributions to unitholders          62.6         50.4         46.3
 per Trust Unit(4)                    0.90         0.83         0.96
Net debt(5)                          552.0        464.8        255.9
 per Trust Unit(6)                    7.77         5.84         5.07
---------------------------------------------------------------------
---------------------------------------------------------------------

(1) All calculations required to convert natural gas to a crude oil
    equivalent (BOE) have been made using a ratio of 6,000 cubic feet
    of natural gas to one barrel of crude oil.  BOE's may be
    misleading, particularly if used in isolation.  The BOE
    conversion ratio is based on an energy equivalency conversion
    method primarily applicable at the burner tip and does not
    represent a value equivalency at the wellhead.

(2) Weighted Average Trust Units, Exchangeable Shares, Convertible
    Unsecured Subordinated Debentures and Trust Units issuable
    pursuant to Long-Term Incentive Plan (diluted). Cash flow is
    increased to adjust for the interest on Convertible Unsecured
    Subordinated Debentures.

(3) Interest expense includes the interest on the Convertible
    Unsecured Subordinated Debentures.

(4) Based on Trust Units outstanding at date of distribution.

(5) Net debt is long-term debt adjusted for working capital excluding
    financial derivative assets and liabilities.

(6) Trust Units and Exchangeable Shares outstanding and Trust Units
    issuable pursuant to the Long-Term Incentive Plan December 31,
    2004.




Operating Highlights                    Three Months Ended
                              ---------------------------------------
                                    Dec 31,      Sep 30,      Dec 31,
                                      2004         2004         2003
---------------------------------------------------------------------
Daily Sales Volumes
 Natural gas (mmcf/day)              187.2        143.5        126.9
 Crude oil (bbls/day)                9,108        8,447        8,189
 Natural gas liquids (bbls/day)      4,059        3,096        2,779
---------------------------------------------------------------------
 Total (BOE/day)                    44,368       35,460       32,111
---------------------------------------------------------------------
---------------------------------------------------------------------
---------------------------------------------------------------------



/T/

Outlook - 2005

PrimeWest expects full year 2005 production volumes to average 
approximately 41,000 BOE/day. Full year operating costs are expected to 
be approximately $6.60/BOE. PrimeWest expects to invest approximately 
$125 million in its capital development program with the focus on 
further development of our Alberta natural gas assets. Approximately $50 
million will be invested in development of tight gas assets at Caroline 
and Columbia; $20 million will be invested in developing shallow gas 
assets in southeastern Alberta; and $55 million will be invested in 
development of natural gas at Crossfield and conventional development. 
The Trust plans to begin evaluating Coal Bed Methane potential on our 
land holdings in the Horseshoe Canyon fairway.

/T/

Cash Flow Reconciliation - Fourth Quarter

($ millions)
---------------------------------------------------------------------
Third quarter 2004 cash flow from operations                 $  66.8
Volumes                                                         32.3
Commodity prices                                                10.1
Net hedging change from prior quarter                            1.3
Operating expenses                                              (6.9)
Royalties                                                      (12.9)
General and administrative expenses                             (4.5)
Interest Expense                                                (7.3)
Other                                                            2.9
---------------------------------------------------------------------
Fourth quarter 2004 cash flow from operations                   81.8
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

The above table includes non-GAAP measurements that may not be 
comparable to other companies. Refer to the section on Non-GAAP Measures.

A key performance driver for the Trust is cash flow from operations, 
which directly affects PrimeWest's ability to pay monthly distributions. 
Cash flow is generated through the production and sale of crude oil, 
natural gas and natural gas liquids, and is dependent on production 
levels, commodity prices, operating expenses, hedging gains or losses, 
royalties and currency exchange rates. Some of these factors are 
uncontrollable from PrimeWest's perspective such as commodity prices, 
the currency exchange rate and royalties. Other factors that are 
controllable by PrimeWest are production levels and operating expenses, 
as well as interest and general and administrative (G&A) expenses. It is 
expected that these factors will impact cash flows in the future.

Taxability of Distributions

Canadian Unitholders

The Trust has determined that 45% of distributions declared, or $1.49 
per Trust Unit are deemed a tax-deferred return of capital and 55% or 
$1.81 per Trust Unit are taxable to Canadian unitholders as "other 
income" (taxed at the same rate as interest income.)

United States and Other Non-Resident Unitholders

For unitholders resident in the United States, the taxability of 
distributions is derived using US tax rules, which permit the deduction 
of Crown royalties and accounting-based depletion. In the case of a US 
resident, 45% of the distributions are taxable as a "qualified dividend" 
with the remaining 55% treated as a tax-deferred return of capital.

Investors who do not qualify as residents of Canada for income tax 
purposes should seek advice from a qualified tax advisor in their 
country of residency regarding the tax treatment of the distributions 
paid by PrimeWest. Monthly distributions payable to non-residents of 
Canada are normally subject to a withholding tax of 25% as prescribed by 
the Canadian Income Tax Act. However, the level of withholding tax may 
be reduced in accordance with reciprocal tax treaties. In the case of 
the Canada - United States Tax Convention, US residents are subject to a 
15% withholding tax on the distributions paid by PrimeWest.

For further information on taxability of distributions paid by 
PrimeWest, please refer to the Taxation section of our website at 
www.primewestenergy.com and your qualified tax advisor.

/T/

Capital Expenditures

                                          Three Months Ended
---------------------------------------------------------------------
($ millions)                        Dec 31,      Sep 30,      Dec 31,
                                      2004         2004         2003
---------------------------------------------------------------------
Land & lease acquisitions          $   1.8      $   2.0       $  2.1
Geological and geophysical             2.4          3.3          4.4
Drilling and completions              30.1         12.0         16.9
Investment in facilities
 Equipping & tie-in                    4.3          1.0          3.4
 Compression & processing              0.9          1.3          0.5
 Gas gathering                         1.9          1.8          1.4
 Production facilities                 5.0          3.6          2.2
Capitalized G&A                        0.4          0.4          0.2
---------------------------------------------------------------------
Development capital                   46.8         25.4         31.1
---------------------------------------------------------------------
Corporate/property acquisitions        1.4        767.0         23.9
Dispositions                         (88.1)        (6.3)        (1.5)
Leasehold improvements
 furniture and equipment               3.2          0.6          1.2
---------------------------------------------------------------------
Total                              $ (36.7)     $ 786.7       $ 54.7
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

During the fourth quarter of 2004, PrimeWest's net capital expenditures 
totaled $(36.7) million as proceeds from dispositions exceeded capital 
expenditures. Development capital of $46.8 million invested in the 
fourth quarter 2004 included $34.4 million or 74% for drilling, 
completions and tie-ins that contribute to new reserve additions and 
help offset natural production decline. In the fourth quarter, 
PrimeWest's capital spending was focused primarily in the areas of 
Caroline, Columbia, Brant Farrow, Boundary Lake and Princess. Gross 
wells drilled in the fourth quarter totaled 69 (38.6 net wells), with a 
success rate of 97%.

Compared to the third quarter of 2004, development capital spending of 
$46.8 million in the fourth quarter of 2004 was higher due to a higher 
level of drilling activity as a result of the Calpine acquisition.

During the fourth quarter of 2004, PrimeWest incurred leasehold 
improvement expenditures on office space acquired to accommodate 
additional staff, resulting from the Calpine acquisition.

In the fourth quarter PrimeWest engaged in a divestiture program 
targeting non-core assets which resulted in proceeds of $88.1 million. 
An additional $5.4 million of assets were held for sale at year-end and 
closed in February 2005. These asset sales reduced production volumes by 
approximately 2,700 BOE/day, however due to the timing of these sales, 
the fourth quarter average daily production volume impact was a 
reduction of 400 BOE/day.

/T/

Production Volumes

                                        Three Months Ended
                              ---------------------------------------
                                    Dec 31,      Sep 30,      Dec 31,
                                      2004         2004         2003
---------------------------------------------------------------------
Natural gas (mmcf/day)               187.2        143.5        126.9
Crude oil (bbls/day)                 9,108        8,447        8,189
Natural gas liquids (bbls/day)       4,059        3,096        2,779
---------------------------------------------------------------------
Total (BOE/day)                     44,368       35,460       32,111
---------------------------------------------------------------------
---------------------------------------------------------------------
Gross Overriding Royalty volumes
 included above (BOE/day)            1,643        1,404        1,595
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

All production information is reported before the deduction of crown and 
freehold royalties.

PrimeWest's production volumes in the fourth quarter 2004 were higher 
when compared with the third quarter of 2004 and the fourth quarter of 
2003 due to volumes contributed by the Calpine assets. PrimeWest's 
development activity also added volumes, which partially offset natural 
production decline.

In the second quarter of 2004, the Alberta Energy and Utilities Board 
ruled on the natural gas over bitumen issue, which resulted in 
approximately 330 BOE/day of production at Ells being permanently 
shut-in effective July 1, 2004. In October 2004, the Government of 
Alberta enacted amendments to the Natural Gas Royalty Regulations of 
2002 specifically with respect to gas production in the affected area. 
This amendment provides for a technical change to the royalty 
calculation for gas producers adversely affected by the EUB shut-in 
orders. This technical change to the calculation of royalties represents 
a reduction in royalties paid by PrimeWest to the Province of Alberta. 
PrimeWest is evaluating the change to the royalty calculation and its 
impact as well as any further steps to be taken in relation to the gas 
over bitumen issue.

PrimeWest expects full year 2005 production to average approximately 
41,000 BOE/day. This estimate incorporates PrimeWest's expected natural 
production declines and shut-in volumes, offset by volume additions from 
the 2005 capital development program.

/T/

Average Realized Sales Prices

                                        Three Months Ended
                              ---------------------------------------
                                    Dec 31,      Sep 30,      Dec 31,
(Canadian Dollars)                    2004         2004         2003
---------------------------------------------------------------------
Natural gas ($/Mcf)(1)(2)             7.00         6.14         5.52
 Without hedging                      6.98         6.31         5.50
Crude oil ($/bbl)(1)                 36.45        39.95        31.27
 Without hedging                     46.03        48.58        33.43
Natural gas liquids ($/bbl)          47.32        45.30        34.49
---------------------------------------------------------------------
Total Oil Equivalent ($/BOE)         41.37        38.31        32.78
 Without hedging                     43.24        41.06        33.25
---------------------------------------------------------------------
---------------------------------------------------------------------
Realized hedging loss included in
 prices above ($/BOE)                 1.87         2.75         0.47
---------------------------------------------------------------------
---------------------------------------------------------------------

(1) Includes hedging gains / losses.

(2) Excludes sulphur.

/T/

Canadian commodity prices were higher in the fourth quarter 2004 than 
during the same period in 2003 resulting in higher average realized 
selling prices per BOE.

The realized selling price in Canadian dollars is impacted by currency 
exchange rates. Oil prices are denominated in US dollars; therefore, a 
strengthened Canadian dollar translates into lower realized prices and 
lower Canadian revenue for producers.

Compared to the third quarter 2004, average realized sales prices per 
BOE increased marginally in the fourth quarter 2004 due to a higher 
average price for natural gas and natural gas liquids, partially offset 
by lower crude oil prices.

PrimeWest's cash flow from operations is directly impacted by the 
volatility in commodity prices, but the use of hedging can reduce the 
impact of the price volatility by locking in prices in advance. This can 
increase or decrease the prices realized by the Trust. In the fourth 
quarter of 2004, PrimeWest reported a $7.6 million hedging loss 
representing the amount of additional revenue that could have been 
earned without hedging. This compared to a loss of $9.0 million in the 
third quarter of 2004 and a loss of $1.4 million for the same period in 
2003.

The following table sets forth benchmark historical and estimated future 
commodity prices.

/T/

Benchmark                Past Four Quarters       Next Four Quarters
 Commodity Prices                   (Actual)     (Forward Markets)(1)
---------------------------------------------------------------------
                       Q1    Q2    Q3    Q4     Q1    Q2    Q3    Q4
                     2004  2004  2004  2004   2005  2005  2005  2005
---------------------------------------------------------------------
Natural gas
 NYMEX (US$/mcf)     5.69  5.97  5.84  6.87   6.23  6.10  6.19  6.55
 AECO (Cdn$/mcf)     6.61  6.80  6.66  7.09   6.28  6.24  6.40  6.88
Crude oil WTI
 (US$/bbl)          35.15 38.32 43.88 48.28  43.54 42.97 42.25 41.65
---------------------------------------------------------------------

(1) As December 31, 2004


Financial and Operating Highlights - Full Year
---------------------------------------------------------------------
($ millions, except per BOE
 and per Trust Unit Amounts)            2004        2003   Change (%)
---------------------------------------------------------------------
FINANCIAL
Gross revenue
 (net of transportation expense)       513.7       434.6          18
 per BOE(1)                            39.45       35.74          10
Cash flow from operations              266.8       216.6          23
 per BOE                               20.49       17.82          15
 per Trust Unit(2)(6)                   4.33        4.67          (7)
Royalty expense                        119.8       101.9          18
 per BOE                                9.20        8.38          10
Operating expenses                      88.9        79.4          12
 per BOE                                6.83        6.53           5
G&A expenses - Cash                     19.0        14.5          31
 per BOE                                1.46        1.20          22
G&A expenses - Non-cash                  9.4        14.4         (35)
 per BOE                                0.73        1.19         (39)
Interest expense (3)                    20.6        15.1          36
 per BOE                                1.58        1.24          27
Net income                             103.4        95.9           8
 Per Trust Unit - diluted               1.74        2.07         (16)
Distributions to unitholders           196.1       192.6           2
 per Trust Unit(4)                      3.30        4.32         (24)
Net debt(5)                            552.0       255.9         116
 per Trust Unit(6)                      7.77        5.07          53
---------------------------------------------------------------------

(1) All calculations required to convert natural gas to a crude oil
    equivalent (BOE) have been made using a ratio of 6,000 cubic feet
    of natural gas to one barrel of crude oil. BOE's may be
    misleading, particularly if used in isolation. The BOE conversion
    ratio is based on an energy equivalency conversion method 
    primarily applicable at the burner tip and does not represent a
    value equivalency at the wellhead.

(2) Weighted Average Trust Units, Exchangeable Shares, Convertible
    Unsecured Subordinated Debentures and Trust Units issuable 
    pursuant to Long-Term Incentive Plan (diluted). Cash flow is
    increased to adjust for the interest on Convertible Unsecured
    Subordinated Debentures.

(3) Interest expense includes the interest on the Convertible
    Unsecured Subordinated Debentures.

(4) Based on Trust Units outstanding at date of distribution.

(5) Net debt is long-term debt adjusted for working capital excluding
    financial derivative assets and liabilities.

(6) Trust Units and Exchangeable Shares outstanding and Trust Units
    issuable pursuant to the Long-Term Incentive Plan December 31,
    2004.


Operating

---------------------------------------------------------------------
                                        2004        2003   Change (%)
---------------------------------------------------------------------
Daily Sales Volume
 Natural gas (mmcf/day)                145.1       134.1           8
 Crude oil (bbls/day)                  8,282       8,116           2
 Natural gas liquids (bbls/day)        3,107       2,855           9
---------------------------------------------------------------------
Total (BOE/day)                       35,578      33,316           7
---------------------------------------------------------------------
---------------------------------------------------------------------


Realized Commodity Prices

---------------------------------------------------------------------
(Canadian Dollars)                      2004        2003   Change (%)
---------------------------------------------------------------------
Natural gas ($/Mcf)(1)(2)               6.61        6.05           9
 Without hedging                        6.70        6.51           3
Crude oil ($/bbl)(1)                   36.83       33.94           9
 Without hedging                       44.46       36.55          22
Natural gas liquids ($/bbl)            43.69       35.34          24
---------------------------------------------------------------------
Total Oil Equivalent (1) ($/BOE)       39.35       35.63          10
 Without hedging                       41.51       38.14           9
---------------------------------------------------------------------
---------------------------------------------------------------------

(1) Includes hedging gains/losses.

(2) Excludes sulphur.

/T/

Financial and Operating Highlights - Full Year

- Production in 2004 averaged 35,578 BOE/day, up 7% from 2003 level of 
33,316 BOE/day as a result of the Calpine and Seventh Energy 
acquisitions and development capital volume additions, offset by natural 
production declines.

- Operating margin of $23.47/BOE for 2004, up 14% from 2003 primarily 
due to higher commodity prices throughout the year, offset by higher 
operating costs in 2004.

- Distributions of $3.30 per Trust Unit in 2004 compared to $4.32 in 
2003 due partially to a lower payout ratio of 74% in 2004 compared to 
89% in 2003.

- Hedging loss of $28.2 million ($2.16/BOE) in 2004, compared to losses 
of $30.5 million ($2.51/BOE) in 2003 and gains of $28.1 million 
($2.55/BOE) in 2002.

- Capital development program of $125.1 million added 10.3 mmBOE of 
Proved plus Probable reserves on a Company Interest basis at $12.15/BOE, 
which excludes $0.92/BOE for future development capital. (Refer to the 
"Reserves and Production" section later in this release for reserve 
definitions).

- In 2004, PrimeWest's corporate and asset acquisitions which included 
Seventh Energy and the Calpine assets were $807.4 million.

- Operating expenses of $6.83/BOE were 5% higher on a per BOE basis in 
2004 compared to 2003, primarily due to rising industry costs.

- Company Interest Proved plus Probable reserves of 155.2 mmBOE at 
December 31, 2004, represents an increase of 45% from 106.8 mmBOE 
reported as at December 31, 2003. PrimeWest's current Reserve Life Index 
(RLI) is 10.3 years on a Company Interest Proved plus Probable basis.

- Company Interest Proved Producing reserves of 105.8 mmBOE at December 
31, 2004, represent an increase of 37% over December 31, 2003 Company 
Interest Proved Producing reserves of 77.5 mmBOE. The Company Interest 
Proved Producing RLI is 7.6 years.

- Cash general and administrative expenses increased $4.5 million over 
2003 reflecting higher salaries, higher short-term incentive bonuses, 
increased information technology expenditures, one-time consulting costs 
associated with potential acquisitions, and increased board of directors 
costs. These increases were partially offset by increases in overhead 
recoveries.

- Interest expense during 2004 is 36% higher compared to 2003 as a 
result of higher average debt levels during the fourth quarter due to 
the acquisition of the Calpine assets.

- The Distribution Reinvestment, Premium Distribution and Optional Trust 
Unit Purchase Plans added $60.0 million of proceeds that were used for 
the capital development program and to repay debt.

Non-GAAP Measures

The MD&A contains the following measurements that are not defined by 
Canadian Generally Accepted Accounting Principles ("GAAP"):

- Cash flow from operations on a total and per unit basis;

- Distributions per trust unit;

- Net debt per trust unit.

These measurements do not have any standardized meaning prescribed by 
GAAP and are therefore unlikely to be comparable to similar measures 
presented by other entities.

Cash flow from operations is calculated from the Trust's cash flow 
statement as cash flow from operating activities before changes in 
working capital. Cash flow from operations per Trust Unit is calculated 
using cash flow and adding back the interest expense on the convertible 
unsecured subordinated debentures, divided by the diluted weighted 
average units outstanding in the year. The diluted weighted average 
units outstanding consists of the weighted average Trust Units and 
Exchangeable Shares outstanding, and includes the Trust Units issuable 
pursuant to the conversion of the Convertible Unsecured Subordinated 
Debentures, and Trust Units issuable pursuant to the Long-Term Incentive 
Plan. Cash flow from operations is a key performance indicator of 
PrimeWest's ability to generate cash and finance operations and pay 
monthly distributions.

Distributions per Trust Unit disclose the cash distributions accrued in 
2004 based on the number of Trust Units outstanding on the date the 
distributions were declared.

Net debt per Trust Unit is calculated using working capital, excluding 
derivative assets and liabilities, less long term debt divided by the 
number of Trust Units and exchangeable shares outstanding and Trust 
Units issuable pursuant to the Long Term Incentive Plan at December 31, 
2004.

The Trust's cash flow from operations, distributions per Trust Unit and 
net debt per Trust Unit may not be directly comparable to similar 
measures presented by other companies or Trusts.

Evaluation of Disclosure Controls and Procedures

The Chief Executive Officer, Don Garner, and Chief Financial Officer, 
Dennis Feuchuk, evaluated the effectiveness of PrimeWest Energy's 
disclosure controls and procedures as of December 31, 2004, and 
concluded that PrimeWest Energy's disclosure controls and procedures 
were effective to ensure that information PrimeWest is required to 
disclose in its filings with the Securities and Exchange Commission 
under the Securities Exchange Act of 1934 is recorded, processed, 
summarized and reported, within the time periods specified in the 
Commission's rules and forms, and to ensure that information required to 
be disclosed by PrimeWest in the reports that it files under the 
Exchange Act is accumulated and communicated to PrimeWest's management, 
including its principal executive officer and principal financial 
officer, as appropriate to allow timely decisions regarding required 
disclosure.

Changes to Internal Controls and Procedures for Financial Reporting

There were no significant changes to PrimeWest's internal controls or in 
other factors that could significantly affect these controls subsequent 
to December 31, 2004.

Vision, Core Business and Strategy

PrimeWest Energy Trust is a conventional oil and gas royalty trust 
actively managed to generate monthly cash distributions for unitholders. 
The Trust's operations are focused in Canada, with its assets 
concentrated in the Western Canadian Sedimentary Basin. PrimeWest is one 
of North America's largest natural gas weighted energy trusts.

Maximizing total return to unitholders, in the form of cash 
distributions and change in unit price, is PrimeWest's overriding 
objective. Our strategies for asset management and growth, financial 
management and corporate governance are outlined in this MD&A, along 
with a discussion of our performance in 2004 and our goals for 2005 and 
beyond.

We believe that PrimeWest can maximize total return to unitholders 
through the continued development of our core properties, making 
opportunistic acquisitions that emphasize value creation, exercising 
disciplined financial management which broadens access to capital while 
minimizing risk to unitholders, and complying with strong corporate 
governance to protect the interests of all stakeholders.

Asset Management and Growth

PrimeWest has a strategy to focus our expansion efforts on existing 
Canadian core areas, and pursue depletion optimization strategies within 
those core areas to maximize asset value. We strive to control our 
operations whenever possible, and maintain high working interests. 
Maintaining control of 80% of operations allows us to use existing 
infrastructure and synergies within our core areas. We believe this high 
level of operatorship can translate to control over costs and timing of 
capital outlays and projects. The current size of the Trust gives us the 
ability and critical mass to make acquisitions of significant size, 
while still being able to add value by transacting smaller acquisitions.

Financial Management

PrimeWest strives to maintain a conservative debt position, to allow us 
to fund smaller acquisitions without tapping into the capital markets 
and to fund ongoing development activities. Our long-term debt is 
comprised of bank credit facilities through a bank syndicate, senior 
secured notes and convertible unsecured subordinated debentures. Our 
diversified debt instruments help to reduce our reliance on the bank 
syndicate, as well as afford additional foreign exchange protection 
because a portion of our debt, the senior secured notes, are denominated 
in US dollars. PrimeWest's commodity hedging approach helps to stabilize 
cash flow, reduce volatility, and protect transaction economics.

PrimeWest continues to target a payout ratio between 70% and 90% of 
annual cash flow from operations to increase the Trust's financial 
flexibility. The 2004 payout ratio was approximately 74%, and the 
retained cash flow was utilized to fund the Trust's capital spending 
program to repay debt. PrimeWest's net debt to cash flow level was 1.7 
times at 2004 year end using annualized fourth quarter cash flows.

PrimeWest's dual listing on both the Toronto Stock Exchange (TSX) and 
New York Stock Exchange (NYSE) provide increased liquidity and a 
broadened investor base. The NYSE listing enables US unitholders to 
conveniently trade in our Trust Units, and allows us to access the US 
capital markets in the future. Our status as a corporation for US tax 
purposes simplifies tax reporting for our US unitholders.

For eligible Canadian unitholders, PrimeWest offers participation in the 
Distribution Reinvestment Plan (DRIP), Premium Distribution Plan (PREP), 
and Optional Trust Unit Purchase Plan (OTUPP), which represent a 
convenient way to maximize an investment in PrimeWest. For alternate 
investment styles, PrimeWest also has Exchangeable Shares and 
Convertible Unsecured Subordinated Debentures available, which permit 
participation in PrimeWest without the ongoing tax implications 
associated with receiving a distribution.

Corporate Governance

PrimeWest remains committed to the highest standards of corporate 
governance and upholds the rules of the governing regulatory bodies 
under which it operates. Full disclosure of our compliance with existing 
corporate governance rules and regulations is available on our website 
at www.primewestenergy.com. PrimeWest actively monitors the corporate 
governance and disclosure environment to ensure compliance with current 
and future requirements.

Our high standards of corporate governance are not limited to the 
boardroom. At the field level PrimeWest proactively manages 
environmental, health and safety issues. We place a great deal of 
importance on community involvement and maintaining good relationships 
with landowners.

Outlook - 2005

PrimeWest expects 2005 production volumes to average approximately 
41,000 BOE/day. Full year operating costs are expected to be 
approximately $6.60/BOE, while full year G&A costs are expected to be 
approximately $1.25/BOE. Approximately $50 million will be invested in 
development of tight gas assets at Caroline and Columbia; $20 million 
will be invested in developing shallow gas assets in southeastern 
Alberta; and $55 million will be invested in development of natural gas 
at Crossfield and Conventional Development. PrimeWest plans to begin 
evaluating Coal Bed Methane potential on our land holdings in the 
Horseshoe Canyon fairway.

/T/

Cash Flow Reconciliation - Full Year 2004

($ millions)
---------------------------------------------------------------------
2003 cash flow from operations                               $ 216.6
Production volumes                                              33.1
Commodity prices                                                43.8
Net hedging change from prior year                               2.3
Operating expenses                                              (9.5)
Royalties                                                      (17.9)
Interest                                                        (5.5)
G&A                                                             (4.5)
Other                                                            8.4
---------------------------------------------------------------------
2004 cash flow from operations                               $ 266.8
---------------------------------------------------------------------
---------------------------------------------------------------------

The above table includes non-GAAP measurements (Refer to Non-GAAP
 Measures on Page 9).

/T/

The key performance driver for the Trust is cash flow from operations 
that directly affects PrimeWest's ability to pay monthly distributions. 
Cash flow is generated through the production and sale of crude oil, 
natural gas and natural gas liquids, and is dependent on production 
levels, commodity prices, operating expenses, interest, G&A, hedging 
gains or losses, royalties and currency exchange rates. Some of these 
factors such as commodity prices, the currency exchange rate and 
royalties are not controllable by PrimeWest. Other factors that are to a 
certain extent controllable by PrimeWest include production levels and 
operating expenses, as well as interest and general and administrative 
(G&A) expenses.

Capital Spending

Capital expenditures, including development, acquisitions and 
divestitures totaled approximately $837.6 million in 2004, versus $334.4 
million in 2003.

/T/

($ millions, except per BOE)                          2004      2003
---------------------------------------------------------------------
Land & lease acquisitions                          $   8.3   $   6.0
Geological and geophysical                             8.2       5.8
Drilling and completions                              69.8      58.4
Equipping and tie-in                                  12.1      19.0
Compression and processing                             4.7       6.3
Gas gathering                                          4.4       2.3
Production facilities                                 15.8       5.7
Capitalized G&A                                        1.8       1.0
---------------------------------------------------------------------
Development capital                                $ 125.1   $ 104.5
---------------------------------------------------------------------
Corporate/property acquisitions                      807.4     230.9
Dispositions                                         (99.5)     (2.3)
Leasehold improvements,
 furniture and equipment                               4.6       1.3
---------------------------------------------------------------------
Total                                              $ 837.6   $ 334.4
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

In 2004 PrimeWest completed $807.4 million of corporate and property 
acquisitions that included the Calpine assets and Seventh Energy. Total 
capital and corporate acquisitions added 46.5 mmBOE of Company Interest 
Proved reserves and 58.3 mmBOE of Company Interest Proved plus Probable 
reserves. Property dispositions of $104.9 million, including assets held 
for sale of $5.4 million resulted in a reduction of the Company Interest 
Proved Plus Probable reserves of 5.1 mmBOE.

PrimeWest's 2004 capital development program totaled $125.1 million 
(2003 - $104.5 million). The program focused on core areas of Caroline, 
Columbia, Princess, Boundary Lake, Brant Farrow and Valhalla. The 
development program added 7.3 mmBOE of Company Interest Proved reserves 
and 10.3 mmBOE of Company Interest Proved plus Probable reserves.

Leasehold improvements during 2004 of $2.5 million were incurred as a 
result of additional office space requirements associated with the 
Calpine acquisition.

/T/

---------------------------------------------------------------------
                                                      2004      2003
---------------------------------------------------------------------
Development Program:
Proved reserve additions (mmBOE)                       7.3       6.9
Average cost ($/BOE)(1)(3)                         $ 17.76   $ 15.98
---------------------------------------------------------------------
Proved plus Probable reserve additions (mmBOE)        10.3       7.9
Average cost ($/BOE)(3)                            $ 13.07   $ 14.29
---------------------------------------------------------------------
Acquisition Program:(2)
Proved reserve additions (mmBOE)                      42.4      12.7
Average cost ($/BOE)(1)                            $ 16.57   $ 18.84
---------------------------------------------------------------------
Proved plus Probable reserve additions (mmBOE)        53.2      15.6
Average cost ($/BOE)(1)(3)                         $ 13.20   $ 15.71
---------------------------------------------------------------------
---------------------------------------------------------------------

(1) Under NI 51-101 the implied methodology to be used to calculate
    FD&A costs includes incorporating future development capital
    (FDC) required to bring the Company Interest Proved Undeveloped
    and Probable reserves to production. The average cost per BOE
    from Company Interest Proved reserve additions includes FDC of
    $0.62/BOE ($0.84/BOE for 2003), and the average cost per BOE
    from Company Interest Proved plus Probable reserve additions
    includes FDC of $0.92/BOE ($1.06/BOE for 2003).

(2) Net of dispositions

(3) The aggregate of the costs incurred under the capital development
    program incurred in 2004 and the estimated future development
    costs generally will not reflect total finding and development
    costs related to reserve additions for that year.

/T/

Drilling, completions and tie-in spending represent 65% of development 
capital that contributed to new reserve additions. 20% or $24.9 million 
of the development capital was invested in facilities that represents 
debottlenecking, increasing capacity or other activities that contribute 
to future production volumes.

In 2005, PrimeWest plans to invest approximately $125 million on its 
capital development program. The 2005 program will focus on further 
development of our Alberta natural gas assets.

Given that production volumes will decline naturally over time as oil or 
gas reservoirs are depleted, PrimeWest is always striving to offset this 
natural production decline, and add to reserves in an effort to sustain 
cash flows. Investment in activities such as development drilling, 
workovers, and recompletions can add incremental production volumes and 
reserves.

Capital is allocated on the basis of anticipated rate of return on 
projects undertaken. At PrimeWest, every capital project is measured 
against stringent economic evaluation criteria prior to approval. These 
criteria include expected return, risks and further development 
opportunities.

Assets

Since inception, PrimeWest has focused on the conventional oil and 
natural gas plays of the Western Canada Sedimentary Basin. Within this 
focused area, we have a diversified, multi-zone suite of assets 
stretching from northeast B.C., and across much of Alberta. We believe 
this diversity reduces risks to overall corporate production and cash 
flow, while the core area focus allows us to capitalize on our existing 
technical knowledge in each of the core areas.

Reserves and Production

National Instrument (NI 51-101) was introduced by the Alberta Securities 
Commission in 2003 to improve the standards and quality of reserve 
reporting and to achieve a higher industry consistency. Under NI 51-101, 
"Proved" reserves are those reserves that can be estimated with a high 
degree of certainty to be recoverable (i.e. it is likely that the actual 
remaining quantities recovered will exceed the estimated Proved 
reserves). In accordance with this definition, the level of certainty 
targeted by the reporting company should result in at least a 90% 
probability that the quantities actually recovered will equal or exceed 
the estimated reserves. In the case of "Probable" reserves, which are 
obviously less certain to be recovered than Proved reserves, NI 51-101 
states that it must be equally likely that the actual remaining 
quantities recovered will be greater or less than the sum of the 
estimated Proved plus Probable reserves. With respect to the 
consideration of certainty, in order to report reserves as Proved plus 
Probable, the reporting company must believe that there is at least a 
50% probability that the quantities actually recovered will equal or 
exceed the sum of the estimated Proved plus Probable reserves.

In accordance with NI 51-101, six thousand cubic feet (6 mcf) of natural 
gas and one barrel of natural gas liquids (1 bbl NGL) each equal one 
barrel of oil equivalent (BOE). This conversion rate is not based on 
price or energy content. As such, BOE's may be misleading, particularly 
if used in isolation. A BOE
conversion ratio of 6 mcf of natural gas to 1 barrel of crude oil is 
based on an energy equivalency conversion method primarily applicable at 
the burner tip and does not represent a value equivalency at the 
wellhead.

The following table sets forth a reconciliation of light, medium and 
heavy crude oil, natural gas, natural gas liquids and barrels of oil 
equivalent of the Company Interest Reserves of PrimeWest for the year 
ended December 31, 2004 derived from the report of the independent 
reserve evaluators, Gilbert Lausten Jung Associated Ltd. (GLJ) using 
Consultant's Average Forecast Price and Cost estimates, and reconciled 
to December 31, 2003. PrimeWest's Company Interest Reserves include 
working interest and royalties receivable. This definition is consistent 
with the basis on which Reserves were reported in prior years.

/T/

Company Interest Reserves - Consultant's Average Pricing

                            Light, Medium and Heavy Crude Oil (mbbls)
                        ---------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003         18,854.0  19,554.6     3,324.4    22,879.0
 Capital additions           680.3     704.9       545.4     1,250.3
 Improved Recovery           356.1     329.1        20.1       349.2
 Technical Revisions       1,233.5   1,193.9       107.1     1,301.0
 Acquisitions              3,033.7   3,306.1       600.4     3,906.5
 Dispositions             (2,074.3) (2,292.3)     (459.4)   (2,751.7)
 Economic Factors (1)            -         -           -           -
 Production               (3,031.3) (3,031.3)          -    (3,031.3)
---------------------------------------------------------------------
December 31, 2004         19,052.0  19,765.0     4,138.0    23,903.0
---------------------------------------------------------------------
---------------------------------------------------------------------


                                        Natural Gas (Bcf)
                        ---------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003            304.9     343.2        89.0       432.2
 Capital additions            10.5      19.8         5.6        25.4
 Improved Recovery            11.9      13.2         6.7        19.9
 Technical Revisions          (6.3)     (3.2)       (7.7)      (10.9)
 Acquisitions                194.2     224.7        58.7       283.4
 Dispositions                 (6.6)    (10.1)       (3.1)      (13.2)
 Economic Factors (1)         (5.0)     (5.1)       (0.3)       (5.4)
 Production                  (53.4)    (53.4)          -       (53.4)
---------------------------------------------------------------------
December 31, 2004            450.2     529.2       148.7       677.9
---------------------------------------------------------------------
---------------------------------------------------------------------


                                   Natural Gas Liquids (mbbls)
                        ---------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003          7,798.0   8,975.1     2,887.7    11,862.8
 Capital additions           259.1     294.0        61.3       355.3
 Improved Recovery           398.3     458.6       311.1       769.7
 Technical Revisions        (365.4)   (243.5)     (349.0)     (592.5)
 Acquisitions              4,838.6   5,706.4     1,406.0     7,112.4
 Dispositions                (52.3)    (65.3)      (35.1)     (100.4)
 Economic Factors (2)            -         -           -           -
 Production               (1,137.3) (1,137.3)          -    (1,137.3)
---------------------------------------------------------------------
December 31, 2004         11,739.0  13,988.0     4,282.0    18,270.0
---------------------------------------------------------------------
---------------------------------------------------------------------


                                 Barrel of oil equivalent (mmboe)
                        ---------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003             77.5      85.7        21.1       106.8
 Capital additions             2.7       4.3         1.5         5.8
 Improved Recovery             2.7       3.0         1.4         4.4
 Technical Revisions          (0.2)      0.4        (1.5)    (1.1)(1)
 Acquisitions                 40.3      46.5        11.8        58.3
 Dispositions                 (3.2)     (4.0)       (1.1)       (5.1)
 Economic Factors (2)         (0.8)     (0.9)          -        (0.9)
 Production                  (13.1)    (13.1)          -       (13.1)
---------------------------------------------------------------------
December 31, 2004            105.8     121.9        33.3       155.2
---------------------------------------------------------------------
---------------------------------------------------------------------
Columns may not add due to rounding

(1) Approximately 0.8 mmboe of this amount is attributable to the
    cessation of liquids stripping, resulting in a higher heat
    content gas stream.

(2) Economic factors relate to reserves that have been shut-in due
    to the EUB gas over bitumen issue. Due to the uncertainty of
    their future production these reserves have been removed from the
    corporate total.

/T/

The following table sets forth a reconciliation of PrimeWest's Net 
Reserves for the year ended December 31, 2004 derived from the report of 
the independent reserve evaluators, GLJ, using consultant's Average 
Forecast Price and Cost estimates. These year-end reserves are 
reconciled to December 31, 2003 reserves. PrimeWest's Net Reserves 
include working interest reserves plus royalties receivable less 
royalties payable, as stipulated by NI 51-101. All data in the following 
tables was provided by GLJ.

/T/

Net Reserves - Consultant's Average Pricing

                              Light and Medium Crude Oil (mbbls)
                        ---------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003           14,284    14,829       2,504      17,333
 Extensions                    460       482         427         909
 Improved Recovery             312       286          17         303
 Technical Revisions           126         5          69          74
 Discoveries                    82        82          28         110
 Acquisitions                2,415     2,602         458       3,060
 Dispositions               (1,331)   (1,417)       (454)     (1,871)
 Economic Factors (1)          268       276          49         325
 Production                 (1,849)   (1,849)          -      (1,849)
---------------------------------------------------------------------
December 31, 2004           14,767    15,296       3,098      18,394
---------------------------------------------------------------------
---------------------------------------------------------------------


                                         Heavy Oil (mbbls)
---------------------------------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003            2,856     2,959         435       3,394
 Extensions                      -         -           -           -
 Improved Recovery               4         4           1           5
 Technical Revisions           (40)       (1)        (14)        (15)
 Discoveries                     -         -           -           -
 Acquisitions                  297       352          74         426
 Dispositions                 (454)     (570)       (136)       (706)
 Economic Factors (1)          762       763         143         906
 Production                   (884)     (884)          -        (884)
---------------------------------------------------------------------
December 31, 2004            2,541     2,623         503       3,126
---------------------------------------------------------------------
---------------------------------------------------------------------


                                Associated and Non-Associated Gas
                                       (Natural Gas) (bcf)
---------------------------------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003            240.7     269.9        70.1       339.9
 Extensions                    7.3      14.9         4.1        19.1
 Improved Recovery             9.5      10.6         5.3        15.9
 Technical Revisions          (0.8)      1.8        (6.1)       (4.4)
 Discoveries                   0.9       1.2         0.4         1.6
 Acquisitions                154.5     179.0        46.6       225.6
 Dispositions                 (9.3)    (12.1)       (2.9)      (15.0)
 Economic Factors (1)         (2.4)     (2.6)        0.1        (2.4)
 Production                  (42.2)    (42.2)        0.0       (42.2)
---------------------------------------------------------------------
December 31, 2004            358.2     420.4       117.6       538.0
---------------------------------------------------------------------
---------------------------------------------------------------------


                                   Natural Gas Liquids (mbbls)
---------------------------------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003            5,570     6,381       2,051       8,433
 Extensions                    174       205          40         245
 Improved Recovery             278       320         214         534
 Technical Revisions          (305)     (189)       (259)       (448)
 Discoveries                     3         6           2           8
 Acquisitions                3,405     4,021         980       5,001
 Dispositions                  (37)      (46)        (23)        (69)
 Economic Factors (1)           20        13           2          15
 Production                   (800)     (800)          -        (800)
---------------------------------------------------------------------
December 31, 2004            8,308     9,911       3,008      12,919
---------------------------------------------------------------------
---------------------------------------------------------------------


                                          Total (mmboe)
---------------------------------------------------------------------
                            Proved     Total             Proved Plus
                         Producing    Proved    Probable    Probable
---------------------------------------------------------------------
December 31, 2003             62.8      69.1        16.7        85.8
 Extensions                    1.9       3.2         1.2         4.3
 Improved Recovery             2.2       2.4         1.1         3.5
 Technical Revisions          (0.4)      0.1        (1.2)    (1.1)(1)
 Discoveries                   0.2       0.3         0.1         0.4
 Acquisitions                 31.9      36.8         9.3        46.1
 Dispositions                 (3.4)     (4.1)       (1.1)       (5.2)
 Economic Factors (2)          0.6       0.6         0.2         0.8
 Production                  (10.6)    (10.6)        0.0       (10.6)
---------------------------------------------------------------------
December 31, 2004             85.3      97.9        26.2       124.1
---------------------------------------------------------------------
---------------------------------------------------------------------
Columns may not add due to rounding

(1) Approximately 0.8 mmboe of this amount is attributable to the
    cessation of liquids stripping, resulting in a higher heat
    content gas stream.

(2) Economic factors relate to reserves that have been shut-in due to
    the EUB gas bitumen issue. Due to the uncertainty of their future
    production these reserves have been removed from the corporate
    total.

/T/

Forecast Prices and Costs

The following tables provide Reserves data and a breakdown of Future Net 
Revenue by component and production group using Forecast Prices and 
Costs on a Company Interest, Gross and Net basis.

/T/

               Summary of Oil and Natural Gas Reserves
             and Net Present Values of Future Net Revenue
                        as of December 31, 2004
                       Forecast Prices and Costs
---------------------------------------------------------------------
                                            RESERVES
                       ----------------------------------------------
                           Light And Medium
                           Crude Oil (mbbl)       Heavy Oil (mbbl)
                       ----------------------------------------------
                        Company                 Company
RESERVES CATEGORY      Interest  Gross    Net  Interest  Gross   Net
---------------------------------------------------------------------
PROVED
 Developed Producing     16,272 14,701 14,767    2,780  2,766  2,541
 Developed Non-Producing    267    267    249       61     61     54
 Undeveloped                354    335    280       32     32     28
---------------------------------------------------------------------
TOTAL PROVED             16,893 15,303 15,296    2,872  2,859  2,623

PROBABLE                  3,587  3,295  3,098      551    548    503
---------------------------------------------------------------------
TOTAL PROVED
 PLUS PROBABLE           20,480 18,597 18,394    3,423  3,407  3,126
---------------------------------------------------------------------
---------------------------------------------------------------------
Columns may not add due to rounding


---------------------------------------------------------------------
                                           RESERVES
                       ----------------------------------------------
                                                    Natural Gas
                           Natural Gas (Bcf)       Liquids (mbbl)
                       ----------------------------------------------
                        Company                Company
RESERVES CATEGORY      Interest  Gross    Net Interest  Gross    Net
---------------------------------------------------------------------
PROVED
 Developed Producing      450.2  440.8  358.2   11,739 11,494  8,308
 Developed Non-Producing   38.1   38.0   30.2    1,089  1,089    808
 Undeveloped               40.9   40.9   32.0    1,160  1,160    795
---------------------------------------------------------------------
TOTAL PROVED              529.2  519.8  420.4   13,988 13,743  9,911

PROBABLE                  148.7  147.3  117.6    4,282  4,243  3,008
---------------------------------------------------------------------
TOTAL PROVED
 PLUS PROBABLE            677.9  667.0  538.0   18,270 17,986 12,919
---------------------------------------------------------------------
---------------------------------------------------------------------
Columns may not add due to rounding


---------------------------------------------------------------------
                                                 RESERVES
                                     --------------------------------
                                               Total (mboe)
                                     --------------------------------
                                        Company
RESERVES CATEGORY                      Interest      Gross       Net
---------------------------------------------------------------------
PROVED
 Developed Producing                    105,825    102,431    85,316
 Developed Non-Producing                  7,761      7,753     6,143
 Undeveloped                              8,368      8,349     6,441
---------------------------------------------------------------------
TOTAL PROVED                            121,954    118,533    97,900

PROBABLE                                 33,208     32,629    26,207
---------------------------------------------------------------------
TOTAL PROVED PLUS PROBABLE              155,162    151,162   124,107
---------------------------------------------------------------------
---------------------------------------------------------------------
Columns may not add due to rounding


---------------------------------------------------------------------
                           NET PRESENT VALUES OF FUTURE NET REVENUE
                        ---------------------------------------------
                                       BEFORE FUTURE INCOME
                                   TAX EXPENSES DISCOUNTED AT (%)
                        ---------------------------------------------
                              0%       5%      10%      15%      20%
RESERVES CATEGORY           (MM$)    (MM$)    (MM$)    (MM$)    (MM$)
---------------------------------------------------------------------
PROVED
 Developed Producing     2,263.6  1,655.8  1,331.5  1,129.6    990.8
 Developed
  Non-Producing            165.2     99.4     71.7     56.6     47.2
 Undeveloped               137.5     84.1     56.4     40.0     29.2
---------------------------------------------------------------------
TOTAL PROVED             2,566.2  1,839.3  1,459.6  1,226.1  1,067.2

PROBABLE                   731.8    392.1    254.8    184.9    143.3
---------------------------------------------------------------------
TOTAL PROVED
 PLUS PROBABLE           3,298.1  2,231.4  1,714.4  1,411.0  1,210.5
---------------------------------------------------------------------
---------------------------------------------------------------------


---------------------------------------------------------------------
                           NET PRESENT VALUES OF FUTURE NET REVENUE
                        ---------------------------------------------
                                       BEFORE FUTURE INCOME
                                   TAX EXPENSES DISCOUNTED AT (%)
                        ---------------------------------------------
                              0%       5%      10%      15%      20%
RESERVES CATEGORY           (MM$)    (MM$)    (MM$)    (MM$)    (MM$)
---------------------------------------------------------------------
PROVED
 Developed Producing     2,263.6  1,655.8  1,331.5  1,129.6    990.8
 Developed
  Non-Producing            165.2     99.4     71.7     56.6     47.2
 Undeveloped               137.5     84.1     56.4     40.0     29.2
---------------------------------------------------------------------
TOTAL PROVED             2,566.2  1,839.3  1,459.6  1,226.1  1,067.2

PROBABLE                   731.8    392.1    254.8    184.9    143.3
---------------------------------------------------------------------
TOTAL PROVED
 PLUS PROBABLE           3,298.1  2,231.4  1,714.4  1,411.0  1,210.5
---------------------------------------------------------------------
---------------------------------------------------------------------
Columns may not add due to rounding


PRODUCTION VOLUMES

                                         2004       2003   Change (%)
---------------------------------------------------------------------
Natural gas (mmcf/day)                  145.1      134.1           8
Crude oil (bbls/day)                    8,282      8,116           2
Natural gas liquids (bbls/day)          3,107      2,855           9
Total (BOE/day)                        35,578     33,316           7
---------------------------------------------------------------------
Gross Overriding Royalty volumes
 included above (BOE/day)               1,440      1,604         (10)
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

All production information is reported before the deduction of Crown and 
freehold royalties.

The 7% increase in production volumes year-over-year is due to the 
acquisition of Seventh Energy and the Calpine assets during the year, 
combined with development additions, and offset by asset divestitures 
and natural decline. During 2004, approximately 2,900 BOE/day of 
annualized incremental production was brought on-line from development 
activities to mitigate decline. Approximately 1,900 BOE/day of new 
production remained behind pipe at the end of 2004.

The acquisition of the Calpine assets, with current production volumes 
of approximately 14,360 BOE/day, added the equivalent of 4,759 BOE/day 
to 2004 average daily production volumes. Assets acquired from Seventh 
Energy contributed 1,198 BOE/day to 2004 average daily production 
volumes.

Production from PrimeWest's non-operated Ells property in Northeast 
Alberta was shut-in by the Alberta Energy and Utilities Board effective 
July 1, 2004, as a result of the gas over bitumen issue. The gas over 
bitumen issue refers to the announcement on June 3, 2003 by the Alberta 
Energy and Utilities Board ("EUB") proposing a change in policy 
respecting gas production from the Wabiskaw and McMurray formations in 
the Athabasca Oil Sands area of Northeastern Alberta. The process 
outlined by the EUB resulted in the shut-in of approximately 330 BOE/day 
of PrimeWest production. In October 2004, the Government of Alberta 
enacted amendments to the Natural Gas Royalty Regulations of 2002 
specifically with respect to gas production in the affected area. This 
amendment provides for a technical change to the royalty calculation for 
gas producers adversely affected by the EUB shut-in orders. This 
technical change to the calculation of royalties represents a reduction 
in royalties paid by PrimeWest to the Province of Alberta. PrimeWest is 
evaluating the change to the royalty calculation and its impact as well 
as any further steps to be taken in relation to the gas over bitumen 
issue.

An additional shut-in of 300 BOE/day at PrimeWest's non-operated Whiskey 
Creek area is as a result of the limited capacity at the Quirk Creek gas 
plant. With no alternate facilities in the area, PrimeWest's production 
will remain behind-pipe until processing capacity becomes available at 
the Quirk Creek facility, which is expected to be mid-2005.

PrimeWest expects production for full year 2005 to be approximately 
41,000 BOE/day. This estimate incorporates PrimeWest's expected natural 
decline rate and production volume shut-ins, offset by production 
additions resulting from the capital development program.

/T/

Commodity Prices

Benchmark Prices                         2004       2003   Change (%)
---------------------------------------------------------------------
Natural gas
 NYMEX (US$/mcf)                      $  6.09    $  5.44          12
 AECO (Cdn$/mcf)                      $  6.79    $  6.70           1
Crude oil WTI (US$/bbl)               $ 41.40    $ 31.04          33
---------------------------------------------------------------------


Average Realized Sales Prices (1)

(Canadian Dollars)                       2004       2003   Change (%)
---------------------------------------------------------------------
Natural gas ($/mcf)(2)                $  6.61    $  6.05           9
Crude oil ($/bbl)                     $ 36.83    $ 33.94           9
Natural gas liquids ($/bbl)           $ 43.69    $ 35.34          24
---------------------------------------------------------------------
Total Oil Equivalent ($/BOE)          $ 39.35    $ 35.63          10
---------------------------------------------------------------------
---------------------------------------------------------------------
Realized hedging loss included
 in prices above ($/BOE)              $ (2.16)   $ (2.51)        (14)
---------------------------------------------------------------------
---------------------------------------------------------------------

(1) Includes hedging gains/losses.

(2) Excludes sulphur.

/T/

Commodity prices were generally higher in 2004 than in 2003, with the 
average realized selling price per BOE of PrimeWest's production 
increasing by 10% before hedging impact. The effect of hedging reduced 
PrimeWest's 2004 realized price by $2.16/BOE, compared to a reduction of 
$2.51/BOE in 2003. The use of financial hedges is designed to reduce the 
impact of commodity price volatility and improve the predictability of 
cash flow from operations.

The realized Canadian selling price that PrimeWest receives for its oil 
production is also impacted by currency exchange rates. Canadian oil 
prices are benchmarked in US dollars, therefore a stronger Canadian 
dollar translates into lower realized prices and revenue, when measured 
in Canadian dollars.

Crude Oil Prices

Crude oil prices rose strongly in 2004, reflecting higher global demand 
and continued concerns over supply amidst political uncertainty in a 
number of the producing regions around the world. Strong economic growth 
in China and India, together with a recovering US economy, has 
significantly increased oil consumption and tightened the supply/demand 
balance. On the supply side, the anticipated increase in Iraqi export 
capability did not occur due to continued violence and sabotage of 
production and pipeline infrastructures within the country. With rising 
demand, excess production capacity that existed within OPEC was used up, 
leaving Saudi Arabia, Kuwait and UAE as the only OPEC members with 
surplus capability to increase production quickly to offset any supply 
disruptions that may occur in other parts of the world. As a result, 
prices fluctuated in response to world events and weather conditions. 
During 2004, oil prices increased from US$32.50/Bbl at the beginning of 
the year to a historical high of US$55.17/Bbl on October 22, before 
dropping back to US$43.45/Bbl by year-end.

As at December 31, 2004, the forward market for crude oil indicated a 
gradual lessening of prices over the next 12 months to approximately 
US$41.50/Bbl by next year-end. However, prices rebounded once again in 
late January 2005, nearing US$50.00/Bbl, reflecting continued market 
nervousness with potential supply disruptions. Key factors that could 
influence prices in 2005 include: potential for a slow down in demand 
growth in Asia in response to higher prices, particularly in China and 
India; OPEC's ability to control production to balance supply and demand 
at their desired price levels; Iraq's ability to restore oil export 
capability; non OPEC production growth and the impact of higher oil 
prices on world consumption.

Canadian companies that produce crude oil of a heavier grade will be 
required to contend with the widening of the price differential versus 
lighter, sweet crude oil. As the majority of the new crude production 
brought into the markets is of heavier and sourer quality that requires 
special refinery handling capability, the price differential has 
increased over the course of 2004. In addition, the realized price for 
heavy oil producers has been negatively affected by the large premium 
being priced into the cost of diluents, natural gas by-products that are 
used to blend heavier crude oil to improve transportability. PrimeWest's 
crude oil production consists of 70% light and 30% medium to slightly 
heavy grade. The medium and slightly heavy grade oil does not require 
any diluent blending and attracts a better pricing differential than the 
heavier crude oil production.

Natural Gas Prices

PrimeWest's realized natural gas price increased approximately 3% from a 
2003 average of $6.51/mcf to $6.70/mcf during 2004. Industry outlook for 
natural gas prices was bullish at the beginning of 2004 as North 
American gas storage levels were being drawn down to below historical 
averages due to late cold winter weather. Even though gas storage 
recovered and exceeded historical levels later in the year, higher crude 
oil prices helped sustain gas prices in the summer. However, cool summer 
temperatures that reduced electricity demand coupled with mild winter 
weather during the latter part of 2004 dampened previously bullish gas 
price expectations. North American gas storage levels at 2004 year-end 
were higher than the 5-year average. As of December 31, 2004, forward 
gas prices had also retracted from previous high levels, with the NYMEX 
price increasing only slightly from US$6.15/Mmbtu at 2004 year-end to 
US$6.88/Mmbtu by December 2005. However, it should be noted that this 
forward price curve is still considerably higher than the forward curve 
at 2003 year-end.

Early in 2005, gas prices have partly recovered from the more bearish 
view at year end with brief periods of cold weather in many of the US 
gas consuming regions. Although gas storage levels remain high by 
historical standards, the market will likely accept higher storage 
levels going forward as the operating norm for fear of shortages during 
extreme weather conditions. A continued buoyant crude oil market should 
serve as a support for gas prices. Based on energy equivalent, natural 
gas is currently trading at the low end of the price range established 
by distillates and fuel oil. With demand remaining strong after 
adjusting for weather related factors, the upside potential for gas 
price is favourable. Key factors which will influence gas prices in 2005 
include: North American weather patterns in the upcoming summer and 
winter seasons; the ability of producers in Canada and the US to replace 
and add to production levels with increased drilling; the growth of gas 
demand in the electricity sector; the impact of government regulations; 
and the market response to conservation.

/T/

Sales Revenue

Revenue                               % of           % of
($ millions)(2)                2004  total     2003  total  Change(%)
---------------------------------------------------------------------
Natural gas (1)              $351.0     69   $297.3     68        18
Crude oil                     111.7     22    100.5     23        11
Natural gas liquids            49.7      9     36.8      9        35
---------------------------------------------------------------------
Total                        $512.4          $434.6
---------------------------------------------------------------------
---------------------------------------------------------------------
Hedging loss included above  $(28.2)   100   $(30.5)   100        (8)
---------------------------------------------------------------------
---------------------------------------------------------------------

(1) Excludes sulphur.

(2) Net of transportation expense.

/T/

Revenues for 2004 were $512.4 million compared to $434.6 million in the 
previous year, including the effect of hedging. Higher gas sales volumes 
as a result of the Calpine asset and Seventh Energy acquisitions 
completed in 2004 along with higher crude oil and natural gas liquids 
prices were the major contributors to the increased revenue in 2004.

Based on the forward markets, the overall outlook for commodity prices 
in 2005 is lower, and has been reflected in PrimeWest's internal price 
forecasts. If the pricing environment softens in 2005, and the Canadian 
dollar remains strong, oil and gas revenues will be negatively impacted. 
Since a greater portion of PrimeWest's revenue (69%) is derived from 
natural gas, the Trust has greater sensitivity to changes in natural gas 
prices than crude oil prices.

2004 Hedging Results

As part of our financial management strategy, PrimeWest uses a 
consistent commodity hedging approach. The purposes of the hedging 
program are to reduce volatility in cash flows, protect acquisition 
economics and stabilize cash flow against the unpredictable commodity 
price environment. PrimeWest's hedging policy reflects a willingness to 
forfeit a portion of the pricing upside in return for protection against 
a significant downturn in prices.

/T/

                     Crude Oil        Natural Gas          BOE
                      ($/bbl)           ($/mcf)         ($/BOE)(1)
---------------------------------------------------------------------
                   2004     2003     2004    2003      2004     2003
                -----------------------------------------------------
Unhedged price  $ 44.46  $ 36.55   $ 6.70  $ 6.51   $ 41.51  $ 38.14
Hedging loss      (7.63)   (2.61)   (0.09)  (0.46)    (2.16)   (2.51)
---------------------------------------------------------------------
Realized price  $ 36.83  $ 33.94   $ 6.61  $ 6.05   $ 39.35  $ 35.63
---------------------------------------------------------------------
---------------------------------------------------------------------
(1) Excludes sulphur


                        2004 Hedge Loss           2003 Hedge Loss
---------------------------------------------------------------------
                    % Hedged    $ millions    % Hedged    $ millions
---------------------------------------------------------------------
Crude oil                 58%       $ 23.1          65%       $  7.7
Natural gas               54%          5.1          61%         22.8
---------------------------------------------------------------------
Total loss                          $ 28.2                    $ 30.5
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

The table below shows the approximate percentage of future anticipated 
production volumes hedged at December 31, 2004, net of anticipated 
royalties, reflecting full production declines with no offsetting 
additions:


/T/

2005                Q1         Q2         Q3         Q4    Full Year
---------------------------------------------------------------------
Crude Oil           72%        68%        47%        41%          57%
Natural Gas         59%        56%        49%        49%          53%
---------------------------------------------------------------------
---------------------------------------------------------------------
2006
---------------------------------------------------------------------
Crude Oil           17%         0%         0%         0%           4%
Natural Gas         35%         0%         0%         0%           9%
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

A summary of hedging contracts in place as at December 31, 2004 is 
available under Note 16 in the Notes to the Consolidated Financial 
Statements.

CICA Accounting Guideline 13 (AcG-13), "Hedging Relationships," became 
effective for fiscal years beginning on or after July 1, 2003. AcG-13 
addresses the identification, designation, documentation and 
effectiveness of hedging transactions for the purposes of applying hedge 
accounting. It also establishes conditions for applying or discontinuing 
hedge accounting. Under the new guideline, hedging transactions must be 
documented and it must be demonstrated that the hedges are sufficiently 
effective in order to continue accrual accounting for positions hedged 
with derivatives. PrimeWest is not applying hedge accounting to its 
hedging relationships. As a result, PrimeWest's derivatives are 
marked-to-market with the resulting gain or loss reflected in earnings 
for the reporting period.

The 2004 income statement shows an unrealized gain of $0.1 million on 
derivatives resulting from the change in the mark-to-market valuation of 
the derivative financial instruments during the period. The gain was 
comprised of an $8.9 million loss for crude oil hedges, a $9.1 million 
gain for natural gas hedges and a $0.1 million loss for electrical power 
hedges.

For the year ended December 31, 2004 the cash impact of contracts 
settling was a $28.1 million loss comprised of a $23.1 million loss in 
crude oil, a $5.1 million loss in natural gas, a $0.8 million gain on 
electrical power and a $0.7 million loss in interest rate swaps.

Royalties (Net of ARTC)

PrimeWest pays royalties to the owners of mineral rights with whom 
PrimeWest holds leases. PrimeWest has mineral leases with the Crown 
(Provincial and Federal Governments) and freeholders (individuals or 
other companies). ARTC is the Alberta Royalty Tax Credit, a tax rebate 
provided by the Alberta government to producers that paid eligible Crown 
royalties in the year.

/T/

($ millions, except per BOE)             2004       2003   Change (%)
---------------------------------------------------------------------
Royalty expense (net of ARTC)         $ 119.8    $ 101.9         18
 Per BOE                              $  9.20    $  8.38         10
---------------------------------------------------------------------
Royalties as % of sales revenues
 With hedge revenue                        23%        24%        (4%)
 Excluding hedge revenue                   22%        22%         0%
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

Royalty expense in 2004 was 18% higher than in 2003 due to higher 
revenues year over year. The crown royalty system is based on a sliding 
scale structure that increases the royalty rates as commodity prices 
rise.

Because of the sliding scale crown royalty system, future changes to 
prices will be accompanied by changes in royalty rates and royalty 
expense.

/T/

Operating Expenses

($ millions, except per BOE)             2004       2003   Change (%)
---------------------------------------------------------------------
Operating expense                     $  88.9    $  79.4         12
 Per BOE                              $  6.83    $  6.53          5
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

Operating expenses for 2004 are $9.5 million higher than 2003. A primary 
contributor to the increase in operating expense was the increased 
production volume from the Seventh Energy and Calpine asset acquisitions 
in 2004. On a per BOE basis, operating expenses increased 5% over the 
2003 level reflecting the impact on costs of high activity in the 
industry.

Operating expenses are primarily impacted by labour and power costs, 
which represent approximately 29% of PrimeWest's costs. Other costs that 
are difficult to influence, including partner-operated expenses, 
property taxes and lease rentals, make up approximately 32% of our 
costs. PrimeWest is targeting 2005 operating expenses at approximately 
$6.60/BOE.

/T/

Operating Margin

($/BOE)                                  2004       2003   Change (%)
---------------------------------------------------------------------
Sales price and other revenue (1)     $ 40.13    $ 36.20         11
Transportation Expense                  (0.63)     (0.68)        (7)
Royalties                               (9.20)     (8.38)        10
Operating expenses                      (6.83)     (6.53)         5
---------------------------------------------------------------------
Operating margin                      $ 23.47    $ 20.61         14
---------------------------------------------------------------------
---------------------------------------------------------------------
(1) Includes hedging and sulphur

/T/

Operating margins increased 14% from 2003 on a per BOE basis. The 
increase in 2004 compared to 2003 is primarily due to higher sales 
prices, offset by higher unit operating expenses and higher royalties. 
Operating margin measures the level of cash flow per barrel of oil 
equivalent at the field level and before head office expenses.

The operating margin for 2005 will be heavily dependent on actual 
commodity prices. PrimeWest will continue to emphasize the maintenance 
of lower than average operating expenses to maximize margins, which can 
reduce the volatility of cash flows through commodity price cycles.

/T/

General & Administrative Expense

($ millions, except per BOE)             2004       2003   Change (%)
---------------------------------------------------------------------
Cash G&A expense                      $  19.0    $  14.5         31
 Per BOE                              $  1.46    $  1.20         22
Non-cash G&A expense                  $   9.4    $  14.4        (35)
 Per BOE                              $  0.73    $  1.19        (39)
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

Cash general and administrative expenses increased $4.5 million over 
2003 reflecting higher salaries, higher short-term incentive bonuses, 
increased information technology expenditures, one-time consulting costs 
associated with potential acquisitions, and increased board of directors 
costs. These increases were partially offset by increases in overhead 
recoveries.

Included in non-cash G&A expense is $8.5 million relating to the change 
in the value of the Unit Appreciation Rights (UARs), granted under the 
Long-Term Incentive Plan (LTIP). UARs in a Trust are similar to stock 
options in a corporation. The program is based on total Unitholder 
return, which is comprised of cumulative distributions on a reinvested 
basis plus growth in unit price. No benefit accrues to the UARs until 
the unitholders have first achieved a 5% total annual return from the 
time of grant. PrimeWest continues to pay for the exercise of UARs in 
Trust Units. Expenses related to the LTIP are recorded on a 
mark-to-market basis, whereby increases or decreases in the valuation of 
the UAR liability are reported quarterly, as a charge to the income 
statement. Also included in non-cash G&A expense is $0.9 million related 
to the special employee retention plan. See note 14 to the consolidated 
financial statements.

/T/

Interest Expense

($ millions, except per Trust Unit)      2004       2003   Change (%)
---------------------------------------------------------------------
Interest expense                       $ 20.6     $ 15.1         36
Period end net debt level              $552.0     $255.9        116
Debt per Trust Unit                    $  7.7     $ 5.07         53
---------------------------------------------------------------------
Average cost of debt                     4.8%       4.7%
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

Interest expense, representing interest on bank debt, the senior secured 
notes, and the convertible unsecured subordinated debentures increased 
to $20.6 million from $15.1 million in 2003 due to higher average debt 
balances in 2004 compared to 2003. Debt levels increased in the third 
quarter of 2004 with the issuance of additional bank debt and the 
Convertible Debentures to fund the acquisition of the Calpine assets.

The average cost of debt has increased due to the issuance of the 
convertible unsecured subordinated debentures in the third quarter 2004. 
The $150 million Series I and $100 million Series II debentures bear 
annual interest at 7.5% and 7.75% respectively.

Foreign Exchange Gain

The foreign exchange gain of $11.7 million results from the translation 
of the US dollar denominated senior secured notes and related interest 
payable. The notes were issued at 1.3923:1 Canadian to US dollars, and 
the close rate on December 31, 2004 was 1.2020:1 Canadian to US dollars.

Depletion, Depreciation and Amortization

The 2004 DD&A rate of $15.15/BOE is lower than the 2003 rate of 
$16.70/BOE due to the January 1, 2004 ceiling test write down of $309 
million offset by the impact of the Calpine asset acquisition.

Ceiling Test

Effective January 1, 2004, PrimeWest adopted CICA Accounting Guideline 
16 (AcG-16), "Oil and Gas Accounting - Full Cost".

The guideline is effective for fiscal years beginning on or after 
January 1, 2004. The cost impairment test is a two-stage process that is 
performed at least annually. The first stage of the test determines if 
the cost pool is impaired. An impairment loss exists when the carrying 
amount of an asset is not recoverable and exceeds its fair value. The 
carrying amount is not recoverable if it exceeds the sum of the 
undiscounted cash flows from Proved reserves plus unproved properties 
using management's best estimate of future prices. The second stage 
determines the amount of the impairment loss to be recorded. The 
impairment is measured as the amount by which the carrying amount of 
capitalized assets exceeds the future discounted cash flows from Proved 
plus Probable reserves. The discount rate used is the risk free rate.

Performing this test at January 1, 2004, using consultant's average 
prices as at January 1, 2004 of AECO $5.90 per Mcf for natural gas and 
US$ 29.21 per barrel WTI for crude oil resulted in a before tax 
impairment of $308.9 million, and an after tax impairment of $233.3 
million. The write down was booked to accumulated income in the first 
quarter of 2004.

Performing this test at December 31, 2004, using consultant's average 
prices as at January 1, 2005, of AECO $6.79 per mcf for natural gas and 
US$ 42.76 per barrel WTI for crude oil results in a ceiling test surplus.

Site Reclamation and Restoration Reserve

Since the inception of the Trust, PrimeWest has maintained a site 
reclamation fund to pay for future costs related to well abandonment and 
site clean up. The fund is used to pay for such costs as they are 
incurred. The 2004 contribution rate for the fund was unchanged from 
2003 at $0.50 per BOE, which was expected to be sufficient to meet 
expenditure requirements for the future. As at December 31, 2004, the 
site reclamation fund had a balance of $10.3 million.

The reclamation and abandonment costs incurred for 2004 were $4.6 
million, compared to $2.2 million in 2003.

The 2005 contribution rate has been set at $0.50 per BOE.

Asset Retirement Obligation

PrimeWest retroactively adopted the new CICA Handbook section 3110, 
"Asset Retirement Obligations" in the first quarter of 2004. This 
standard focuses on the recognition and measurement of liabilities 
related to legal obligations associated with the retirement of property, 
plant and equipment. Under this standard, these obligations are 
initially measured at fair value and subsequently adjusted for the 
accretion of discount and any changes in the underlying cash flows. The 
asset retirement cost is capitalized to the related asset and amortized 
into earnings over time.

Net Asset Value

Net asset value (NAV) measures the net worth of PrimeWest by subtracting 
the value of debt from the estimated economic value of its underlying 
assets - primarily crude oil, natural gas and natural gas liquids 
reserves. The value placed on these reserves is the pre-tax present 
value of future net cash flows, discounted at 10%, as independently 
assessed by GLJ as at January 1, 2005. The present value of reserves 
reflects provisions for royalties, operating costs, future capital costs 
and site reclamation and abandonment costs, but is prior to deductions 
for income taxes, interest costs and general and administrative costs.

This calculation is a "snapshot" in time and is heavily dependent upon 
future commodity price expectations at the point in time the "snapshot" 
is taken. Accordingly, the NAV as at January 1, 2005 may not reflect 
fairly the equity market trading value of PrimeWest. It is also 
significant to note that NAV reduces as reserves are produced and net 
operating cash flow is distributed to unitholders. Value is delivered to 
unitholders through such monthly distributions.

The following table sets forth the calculation of NAV:

/T/

                                                  2004          2003
                                          Consultant's  Consultant's
                                               Average       Average
---------------------------------------------------------------------
As at December 31
($ millions except per Trust Unit Amounts)        2004          2003
---------------------------------------------------------------------
Assets
 PV 10 of future cash flow (1)(3)            $ 1,714.4       $ 904.6
 Market value of Calpine Trust units              91.0             -
 Mark to market value of hedging
  contracts                                        0.1          (0.5)
 Unproved lands                                  103.9          36.0
 Reclamation fund                                 10.3           8.2
                                          ---------------------------
                                               1,919.7         948.3
Liabilities
 Debt and working capital deficiency (2)        (378.5)       (255.9)
---------------------------------------------------------------------
Net Asset Value                              $ 1,541.2       $ 692.4
---------------------------------------------------------------------

---------------------------------------------------------------------
Outstanding Trust Units - millions, diluted       80.5          50.4
NAV per Trust Unit                           $   19.15       $ 13.74
---------------------------------------------------------------------
---------------------------------------------------------------------

(1) 100% of Company Interest Proved plus Probable Reserves
(2) Debt excludes Convertible Unsecured Subordinated Debentures
(3) Refer to Summary of Oil and Natural Gas Reserves and Net Present
    Values of Future Net Revenue Table under the Section "Reserves
    and Production")

                                                  2004          2003
                                          Consultant's  Consultant's
Pricing Assumptions                            Average       Average
---------------------------------------------------------------------
Edmonton Par Oil - Cdn. $/bbl
 2004                                                -        $37.81
 2005                                           $50.37        $34.10
 2006                                           $47.46        $32.79
 2007                                           $43.88        $32.72
 2008                                           $40.89        $32.89
 2009                                           $39.20             -
Spot Gas at AECO-C - Cdn. $/mcf
 2004                                                -         $5.90
 2005                                            $6.79         $5.33
 2006                                            $6.52         $4.98
 2007                                            $6.25         $4.95
 2008                                            $5.95         $4.92
 2009                                            $5.79             -
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

The NAV calculation is based on the above reference prices as of 
December 31, 2004 and 2003 and is highly sensitive to changes in price 
forecasts over time as well as the exchange rate. In addition, the 
year-over-year change is impacted by the cash distributions made 
throughout the year, which totaled $196.1 million or $3.30 per trust 
unit. Also, the NAV calculation assumes a "blow down" scenario whereby 
existing reserves are produced without being replaced by acquisitions 
and development. A major cornerstone of PrimeWest's strategy is to 
replace reserves through accretive acquisitions and capital development.

/T/

Income and Capital Taxes

($ millions)                             2004       2003   Change (%)
---------------------------------------------------------------------
Income and capital taxes              $   3.3    $   3.8        (13)
Future income taxes recovery            (37.6)     (79.9)       (53)
---------------------------------------------------------------------
                                      $ (34.3)   $ (76.1)       (55)
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

The Alberta Government enacted a tax rate reduction of 1% in the first 
quarter of 2004, reducing the rate from 12.5% to 11.5% effective April 
1, 2004.

During 2003, the Canadian Government enacted Federal income tax changes 
for the oil and gas resource sector. The Federal income tax changes 
effectively reduced the statutory tax rates for current and future 
periods. Specifically, the 100% deductibility of the resource allowance 
will be completely phased out by the year 2007. During the same time 
frame, Crown charges will become 100% deductible and resource tax rates 
will decline from the current 27% to 21%. These tax rate reductions 
contributed to the large future tax recovery in 2003.

Cash taxes paid include tax installments for current and prior years and 
payments for taxes owing upon the filing of year end tax returns. Cash 
taxes paid in 2004 include $1.3 million relating to prior years. Income 
and capital tax expense includes the estimate of the current year's 
taxes and any adjustments resulting from prior year tax assessments. The 
year ending December 31, 2004 includes $0.5 million related to prior 
years.

/T/

Net Income

($ millions)                                        2004        2003
---------------------------------------------------------------------
Net Income                                       $ 103.4     $  95.9
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

Cash flow from operations, as opposed to net income, is the primary 
measure of performance for an energy trust. The generation of cash flow 
is critical to the ability of an energy trust to continue to sustain the 
monthly distribution of cash to unitholders.

Conversely, net income is an accounting measure impacted by both cash 
and non-cash items. The largest non-cash items impacting PrimeWest's net 
income are foreign exchange gains, depletion, depreciation, and 
amortization (DD&A) and future taxes.

Net income of $103.4 million exceeded 2003 net income of $95.9 million 
due to higher revenues offset by increased operating expenses, 
royalties, general and administrative expenses and lower future tax 
recoveries.

/T/

Liquidity & Capital Resources

Long-term Debt

($ millions)                             2004       2003   Change (%)
---------------------------------------------------------------------

Long-term debt                       $  656.3   $  250.1        162
Working capital deficit/(surplus)      (104.3)       5.8      1,898
---------------------------------------------------------------------
Net debt                             $  552.0   $  255.9        116

Market value of Trust Units and
 exchangeable shares outstanding (1)  1,877.7    1,380.7         36
---------------------------------------------------------------------
Total capitalization                 $2,429.7   $1,636.6         48
---------------------------------------------------------------------
Net debt as a % of total
 capitalization                            23%        16%        44
---------------------------------------------------------------------
---------------------------------------------------------------------
(1) Based on December 31 Trust Unit closing price of $26.62 and
    exchangeable ratio of 0.50408:1

/T/

Long-term debt is comprised of bank credit facilities, senior secured 
notes and convertible unsecured subordinated debentures of $264.0 
million, $150.3 million and $242.0 million respectively.

PrimeWest had a borrowing base of $625 million at year end 2004. The 
bank credit facilities consist of an available revolving term loan of 
$437.5 million, and an operating facility of $25 million with the 
balance being the maximum amount of
Senior Secured Notes of $162.5 million. In addition to amounts 
outstanding under the facility, PrimeWest has outstanding letters of 
credit in the amount of $4.9 million (2003 - $5.1 million). The credit 
facility revolves until June 30, 2005, by which time the lenders will 
have conducted their annual borrowing base review.

The Senior Secured Notes in the amount of US$125 million have a final 
maturity date of May 7, 2010, and bear interest at 4.19% per annum, with 
interest paid semi-annually on November 7 and May 7 of each year. The 
Note Purchase Agreement requires PrimeWest to make four annual principal 
repayments of US$31,250,000 commencing May 7, 2007.

PrimeWest issued 7.5% (Series I) and 7.75% (Series II) convertible 
unsecured subordinated debentures in the third quarter of 2004 for 
proceeds of $150.0 million and $100.0 million respectively.

The Series I Debentures pay interest semi-annually on March 31 and 
September 30 and have a maturity date of September 30, 2009. The Series 
I Debentures are convertible at the option of the holder at a conversion 
price of $26.50 per Trust Unit. PrimeWest has the option to redeem the 
Series I Debentures at a price of $1,050 per Series I Debenture after 
September 30, 2007 and on or before September 30, 2008, and at a price 
of $1,025 per Series I Debenture after September 30, 2008 and before 
maturity. On redemption or maturity the Trust may elect to satisfy its 
obligation to repay the principal by issuing PrimeWest Trust Units.

The Series II Debentures pay interest semi-annually on June 30 and 
December 30 and have a maturity date of December 31, 2011. The Series II 
Debentures are convertible at the option of the holder at a conversion 
price of $26.50 per Trust Unit. PrimeWest has the option to redeem the 
Series II Debentures at a price of $1,050 per Series II Debenture after 
December 31, 2007 and on or before December 31, 2008, at a price of 
$1,025 per Debenture after December 31, 2008 and on or before December 
31, 2009 and after December 31, 2009 and before maturity at $1,000 per 
Series II Debenture. On redemption or maturity the Trust may elect to 
satisfy its obligations to repay the principal by issuing PrimeWest 
Trust Units.

PrimeWest has early adopted CICA Handbook Section 3860 - "Financial 
Instruments". In accordance with this new section, the Convertible 
Unsecured Subordinated Debentures were initially recorded at their fair 
value of $147.0 million (Series I) and $94.9 million (Series II). The 
difference between the fair value and the issue proceeds of $8.1 million 
was recorded in unitholders' equity ($3.0 million Series I and $5.1 
million Series II).

Unitholders' Equity

The Trust had 69,886,111 Trust Units outstanding at December 31, 2004 
compared to 48,751,883 Trust Units at the end of 2003. In addition, 
there were 1,294,391 exchangeable shares (see below) outstanding at year 
end, exchangeable into a total of 652,477 Trust Units. The weighted 
average number of Trust Units, including those issuable by the exchange 
of exchangeable shares, was 59,482,034 Trust Units for 2004 compared to 
46,015,519 for 2003.

During 2004, 116,233 Trust Units were issued to employees pursuant to 
the LTIP.

In 2004, PrimeWest completed two equity offerings. The first closed on 
April 22, 2004 raising net proceeds of $134.9 million on the issuance of 
5.4 million Trust Units at $26.30 per Trust Unit. Proceeds were used to 
reduce the indebtedness of PrimeWest under its credit facility. The 
second offering closed on September 2, 2004 raising net proceeds of 
$285.1 million on the issuance of 12.3 million Trust Units at $24.40 per 
Trust Unit. Proceeds were used in the acquisition of the Calpine assets.

Under the Distribution Reinvestment Plan (DRIP), in 2004 PrimeWest 
issued 268,677 Trust Units for $6.5 million (465,969 Trust Units, $11.4 
million in 2003), 1,311,462 Trust Units for $32.0 million pursuant to 
the Premium Distribution (PREP) component (134,629 Trust Units, $3.4 
million in 2003) and 894,167 Trust Units for $21.5 million pursuant to 
the Optional Trust Unit Purchase Plan component (OTUPP) (721,209 Trust 
Units, $17.6 million in 2003).

As an alternative to the DRIP component of the Plan, the PREP allows 
eligible Canadian unitholders to elect to receive a premium cash 
distribution of up to 102% of the cash that the Unitholder would 
otherwise have received on the distribution date, subject to proration 
in certain events.

The DRIP gives Canadian unitholders the chance to reinvest their monthly 
distributions at a 5% discount to the volume weighted average market 
price of the Trust Units, while the OTUPP gives Canadian unitholders an 
opportunity to purchase additional Trust Units directly from PrimeWest 
at the same 5% discount to the volume weighted average market price. The 
DRIP and PREP components are mutually exclusive, and participation in 
the OTUPP requires enrollment in either the DRIP or PREP.

These plan components benefit the unitholders by offering alternatives 
to maximize their investment in PrimeWest, while providing the Trust 
with an inexpensive method to raise additional capital. The Trust 
expects interest in these plans in 2005 to be similar to 2004. Proceeds 
from these plans are used for debt reduction of PrimeWest's credit 
facility and to help fund ongoing capital development programs.

For additional information or to join these plans, contact PrimeWest's 
Plan Agent, Computershare Trust Company of Canada at 1-800-564-6253 or 
visit PrimeWest's website at www.primewestenergy.com.

Exchangeable shares

Exchangeable shares were issued in connection with both the Venator 
Petroleum Company Ltd. acquisition in April 2000 and the Cypress Energy 
Inc. acquisition in March 2001. These shares were issued to provide a 
tax-deferred rollover of the adjusted cost base from the shares being 
exchanged to the exchangeable shares of PrimeWest. Canadian law does not 
permit a tax deferral when shares are exchanged for Trust Units.

In 2004, 94,340 exchangeable shares were issued pursuant to the special 
employee retention plan. During 2003, 161,717 exchangeable shares were 
issued in relation to the termination of the management incentive 
program of PrimeWest Management Inc. (see Note 14 in the Consolidated 
Financial Statements). The exchangeable shares do not receive cash 
distributions. In lieu of receiving cash distributions, the number of 
Trust Units that the exchangeable shareholder will receive upon exchange 
increases each month based on the distribution amount divided by the 
market price of the Trust Units on the 15th day of each month.

At December 31, 2004, there were 1,294,391 exchangeable shares 
outstanding. The exchange ratio on the shares was 0.50408:1 Trust Units 
for each exchangeable share as at year end.

For purposes of calculating basic per Trust Unit amounts, these 
exchangeable shares have been assumed to be exchanged into Trust Units 
at the current exchange ratio.

Cash Distributions

Cash distributions to unitholders are at the discretion of the Board of 
Directors and can fluctuate depending on the cash flow generated from 
operations. As discussed previously, the cash flow available for 
distribution is dependent upon many factors including commodity prices, 
production levels, debt levels, capital spending requirements, and 
factors in the overall industry environment. In order to increase 
PrimeWest's financial flexibility, the Board of Directors maintains a 
longer-term target distribution payout ratio of approximately 70% to 90% 
of cash flow from operations.

Cash distributions for 2004 were $196.1 million or $3.30 per Trust Unit 
representing a payout ratio of approximately 74% versus 2003 amounts of 
$192.6 million or $4.32 per Trust Unit representing a payout ratio of 
approximately 89%.

Distribution payments to US unitholders are subject to 15% Canadian 
withholding tax, which is deducted from the distribution amount prior to 
deposit into accounts.

Cash Flow Sensitivities

The table below is designed to provide the directional impact on 2005 
annual cash available for distribution per unit (increase/decrease) 
depending on changes in the following:

/T/

                                                     $/Trust Unit (1)
                                                     ----------------
Crude oil price (US$1.00/bbl WTI increase)                      0.04
Natural gas price ($0.10/mcf increase)                          0.06
Exchange rate (US$0.01 decrease)                                0.03
Interest rate (1% decrease)                                     0.02
Production (1,000 BOE/day increase)                             0.12
---------------------------------------------------------------------
(1) Without the effect of hedging

/T/

The figures in this table are provided for directional information only 
and are based on the units outstanding as at December 31, 2004. Should 
changes to the commodity price, interest rate, exchange rate or 
production levels noted above take place, it should not be assumed that 
a corresponding change would be made to the distribution level.

Contractual Obligations

PrimeWest enters into many contractual obligations as part of conducting 
day-to-day business. Material contractual obligations include debt 
obligations, lease rental commitments that run from 2005 through 2009 
and various pipeline transportation commitments that run through 2010. 
The details of the timing of these contractual obligations are included 
in the following table.

/T/

As at December 31, 2004           Payments due by period ($ millions)
---------------------------------------------------------------------
                                        Less                    More
                                      than 1     1-3     4-5  than 5
                                Total   year   years   years   years
---------------------------------------------------------------------
Long-term debt obligations      414.2      -   339.1    75.1       -
Series I and II convertible
 unsecured subordinated
 debentures                     250.0      -       -   150.0   100.0
Lease rental obligations         14.7    3.6    10.3     0.8       -
Pipeline transportation
 obligations                     15.1    7.1     7.6     0.4       -
---------------------------------------------------------------------
Total contractual obligations   694.0   10.7   357.0   226.3   100.0
---------------------------------------------------------------------
---------------------------------------------------------------------

/T/

As part of PrimeWest's internalization transaction (see Note 14 in the 
Consolidated Financial Statements) PrimeWest agreed to issue 377,360 
Exchangeable Shares pursuant to a Special Employee Retention Plan. One 
quarter of the Exchangeable Shares were issued to the executive officers 
of PrimeWest on November 6, 2004. One third of the remaining 
exchangeable shares will be issued on each of the third, fourth and 
fifth anniversary of transaction closing, November 6, 2002. As at 
December 31, 2004, $0.2 million has been accrued in non-cash general and 
administrative expenses related to the Special Employee Retention Plan.

Critical Accounting Estimates

PrimeWest's financial statements have been prepared in accordance with 
Canadian generally accepted accounting principles. Certain accounting 
policies require that management make appropriate decisions with respect 
to the formulation of estimates and assumptions that affect the reported 
amounts of assets, liabilities, revenues and expenses. The following 
discussion reviews such accounting policies and is included in 
Management's Discussion and Analysis to aid the reader in assessing the 
critical accounting policies and practices of the Trust and the 
likelihood of materially different results being reported. PrimeWest's 
management reviews its estimates regularly, but new information and 
changed circumstances may result in actual results or changes to 
estimated amounts that differ materially from current estimates.

The following assessment of significant accounting policies is not meant 
to be exhaustive. The Trust may realize different results from the 
application of new accounting standards proposed and/or implemented, 
from time to time, by various rule-making bodies.

Proved and Probable Oil and Gas Reserves

Proved oil and gas reserves, as defined by the Canadian Securities 
Administrators' National Instrument 51-101 (NI 51-101), are the 
estimated quantities of crude oil, natural gas liquids, including 
condensate, and natural gas that geological and engineering data 
demonstrate with reasonable certainty can be recovered in future years 
from known reservoirs under existing economic and operating conditions, 
(i.e., prices and costs as of the date the estimate is made).

Proved reserves are those reserves that can be estimated with a high 
degree of certainty to be recoverable (i.e. it is likely that the actual 
remaining quantities recovered will exceed the estimated proved 
reserves). In accordance with this definition, the level of certainty 
targeted by the reporting company should result in at least a 90% 
probability that the quantities actually recovered will equal or exceed 
the estimated proved reserves.

For Probable reserves, which are by definition less certain to be 
recovered than Proved reserves, NI 51-101 states that it must be equally 
likely that the actual remaining quantities recovered will be greater or 
less than the sum of the estimated Proved plus Probable reserves. With 
respect to the consideration of certainty, in order to report reserves 
as Proved plus Probable, the level of certainty targeted by the 
reporting company should result in at least a 50% probability that the 
quantities actually recovered will equal or exceed the sum of the 
estimated Proved plus Probable reserves.

The oil and gas reserve estimates are made using all available 
geological and reservoir data as well as historical production data. 
Estimates are reviewed and revised as appropriate. Revisions occur as a 
result of changes in prices, costs, fiscal regimes, reservoir 
performance or a change in PrimeWest's plans. The effect of changes in 
proved oil and gas reserves on the financial results and position of 
PrimeWest is described under the heading "Full Cost Accounting for Oil 
and Gas Activities".

Full Cost Accounting For Oil and Gas Activities

PrimeWest adopted CICA Accounting Guideline 16 (AcG-16), "Oil and Gas 
Accounting - Full Costs" on January 1, 2004. The new guideline modifies 
how the ceiling test is performed and requires that cost centers be 
tested for recoverability using undis