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CORRECTING and REPLACING Forest Oil Announces Third Quarter 2005 Results; Adjusted EBITDA and Cash Flow Set New Records

DENVER--(BUSINESS WIRE)--Nov. 9, 2005--In BW6142 issued Nov. 9, 2005: In the third from the last table titled "Condensed Consolidated Balance Sheets," the first column in the row "Deferred income taxes," should read 344,514 (sted 44,514).

The corrected release reads:

FOREST OIL ANNOUNCES THIRD QUARTER 2005 RESULTS; ADJUSTED EBITDA AND CASH FLOW SET NEW RECORDS

Forest Oil Corporation (NYSE: FST)

  • Forest has Record Adjusted EBITDA and Cash Flow

  • Hurricane Activity in the Third Quarter Defers 6 Bcfe of Production

  • Net Debt Decreases to $812 Million

  • Record Canadian Wild River Gross Production at 49 MMcfe/d with 100% Success in the Quarter; Third Quarter Sequential Production Rates Up 36%

  • Record Buffalo Wallow Net Production at 32 MMcfe/d with 100% Success in the Quarter; Third Quarter Sequential Production Rates Up 10%

  • First Greater Haley Area Well Successful; 2 More to TD in the Fourth Quarter

Forest Oil Corporation (NYSE: FST) (Forest or the Company) today announced results for the third quarter and first nine months of 2005. In the third quarter of 2005 compared to the third quarter of 2004, the Company had the following highlights:

  • Record adjusted EBITDA of $190 million, an increase of 11%

  • Net cash flow from operations, exclusive of working capital items, was $174 million, an increase of 13%

  • Net debt was $812 million, a decrease of 14%

Also during the quarter, Forest announced on September 12, 2005, that it intends to spin-off to Forest shareholders its offshore Gulf of Mexico operations, and that the Gulf of Mexico operations would immediately thereafter be acquired in a merger transaction by Mariner Energy, Inc. (Mariner). Mariner has filed Form S-4 with the Securities Exchange Commission which is currently under review. After the spin-off and merger, Mariner will be a separately traded public company that will own and operate the combined businesses of Mariner and Forest's offshore Gulf of Mexico operations. The transaction is expected to be non-taxable to Forest and its shareholders and is anticipated to close in the first quarter of 2006.

H. Craig Clark, President and CEO, stated: "Despite the deferral of approximately 6 Bcfe of production due to the hurricanes in the third quarter, Forest was able to post another record quarter for adjusted EBITDA and cash flow. Strong cash flow was generated from our onshore business units which now comprise over 75% of our reserve base. As a result of the strong performance in our onshore business units, we will continue to increase activity onshore in the fourth quarter and thereafter. We continue to see excellent momentum in our key onshore fields including significant production increases in our resource plays, Buffalo Wallow and Wild River, and positive results in our first well in the Greater Haley Area. Finally, we continue to work towards the closing of our Gulf of Mexico combination with Mariner Energy and see the spin-off as a strategic value creator for our shareholders."

THIRD QUARTER 2005 RESULTS

For the quarter ended September 30, 2005, Forest reported net earnings of $3.3 million, or $.05 per basic share. This amount compares to net earnings of $31.8 million, or $.54 per basic share, in the corresponding 2004 period. Net earnings in the third quarter of 2005 were adversely affected by the following items:

  • Accounting regulations required Forest to take a pre-tax, non-cash charge of $72.1 million including $42.8 million associated with the discontinuance of hedge accounting related to 2005 hedges on Hurricane Katrina and Rita production deferrals, $23.0 million of unrealized losses related to several collar agreements that did not qualify for cash flow hedge accounting, and measured hedge ineffectiveness of $6.3 million

  • A pre-tax charge of $3.6 million to establish a reserve for insurance surcharges related primarily to Hurricane Katrina

Without the effect of these items, Forest's adjusted net earnings would have been $50.2 million, or $.81 per basic share. These amounts compare to adjusted net earnings of $34.0 million, or $.58 per basic share, in the corresponding 2004 period computed on a comparable basis.

For the third quarter of 2005, Forest's sales volumes were 435.8 MMcfe/d or a decrease of 14% compared to the third quarter of 2004; hurricanes in the third quarter of 2005 deferred approximately 6 Bcfe (65 MMcfe/d). The Company's adjusted EBITDA increased 11% compared to the third quarter of 2004 to $190.5 million, despite the 14% decrease in production from hurricanes, due to higher per unit netbacks (oil and gas sales revenue less lease operating expenses, production and property taxes, and transportation costs).

At September 30, 2005, net debt decreased 14% to $812 million compared to $945 million at September 30, 2004. The year-over-year decrease in net debt was primarily due to the internally generated free cash flow and property sales during this period, offset by additional debt incurred for the acquisition of the Buffalo Wallow field in the second quarter of 2005. The Company had a net debt to book capitalization of 35% at September 30, 2005, compared to 41% at September 30, 2004.

NINE MONTHS ENDED SEPTEMBER 30, 2005 RESULTS

For the nine months ended September 30, 2005, Forest reported net earnings of $94.3 million or $1.54 per basic share. This amount compares to net earnings of $79.0 million or $1.41 per basic share in the corresponding 2004 period. Net earnings for the nine months ended September 30, 2005, were adversely affected by the following items:

  • Accounting regulations required Forest to take a pre-tax, non-cash charge of $74.4 million including $42.8 million associated with the discontinuance of hedge accounting related to 2005 hedges on Hurricane Katrina and Rita production deferrals, $26.1 million of unrealized losses related to several collar agreements that did not qualify for cash flow hedge accounting, and measured hedge ineffectiveness of $5.5 million

  • A pre-tax charge of $4.0 million to establish a reserve for insurance surcharges related primarily to Hurricane Katrina

  • A pre-tax, non-cash charge of $2.9 million primarily due to the impairment of properties related to our exit from Romania

  • A pre-tax, non-cash charge of $2.2 million representing our 40% share of a valuation allowance that Cook Inlet Pipeline Company (CIPC) recorded against a portion of its deferred tax assets

Without the effect of these items, Forest's adjusted net earnings would have been $146.1 million, or $2.39 per basic share. These amounts compare to adjusted net earnings of $82.1 million, or $1.46 per basic share, in the corresponding 2004 period computed on a comparable basis.

For the nine months ended September 30, 2005, Forest's sales volumes were 475.1 MMcfe/d or an increase of 3% compared to the corresponding period in 2004 despite storm related downtime in 2005. The Company's adjusted EBITDA increased 29% compared to the corresponding period in 2004 to $575.2 million, due to the increased production and higher per unit netbacks.

CAPITAL ACTIVITIES

In the third quarter of 2005, Forest invested $150 million in exploration and development activities. The following table summarizes capital expenditures incurred in the third quarter of 2005 for exploration, development and acquisition activities (in millions). The amounts have been split between the assets which are subject to the merger agreement with Mariner (Spinco) and those which are not (Remainco):

                U.S.                             Total
              Remainco   Canada  International  Remainco  Spinco Total
             ---------- -------- ------------- ---------- ------ -----
Exploration $        9        9             1         19     15    34
Development         66       23            --         89     27   116
Acquisitions        --       --            --         --     --    --
             ---------- -------- ------------- ---------- ------ -----

    Total   $       75       32             1        108     42   150
             ========== ======== ============= ========== ====== =====

For the nine months ended September 30, 2005, Forest invested $224 million on acquisitions, excluding the deferred tax step-up in booked fair value for the Buffalo Wallow assets, $343 million in exploration and development activities, and received $24 million from asset dispositions. Total costs incurred included a non-cash gross up of $89 million relating to the deferred tax step-up in the booked fair value of the assets acquired in the Buffalo Wallow acquisition. The following table summarizes capital expenditures incurred in the nine months ended September 30, 2005, for exploration, development and acquisition activities (in millions):

                   U.S.                           Total
                 Remainco  Canada International  Remainco Spinco Total
                ---------- ------ ------------- --------- ------ -----
Exploration    $       30     26             2        58     48   106
Development           136     44            --       180     57   237
Acquisitions          216      8            --       224     --   224
                ---------- ------ ------------- --------- ------ -----

    Total             382     78             2       462    105   567
Add:
Step-up in
 booked fair
 value of
 Buffalo Wallow
 assets                89     --            --        89     --    89
                ---------- ------ ------------- --------- ------ -----

    Total      $      471     78             2       551    105   656
                ========== ====== ============= ========= ====== =====

CERTAIN COMPARATIVE FINANCIAL AND OPERATING DATA

The following table sets forth certain of Forest's financial and operating data for the three and nine months ended September 30, 2005 and 2004. The amounts have been split between the assets which are subject to the merger agreement with Mariner (Spinco) and those which are not (Remainco). Forest estimates that 0.4 Bcfe (5 MMcfe/d) of the 6 Bcfe (65 MMcfe/d) of deferred production in the quarter due to hurricanes was attributable to Remainco properties.

                                          Three Months   Nine Months
                                             Ended          Ended
                                          September 30,  September 30,
                                          -------------- -------------
                                           2005   2004   2005   2004
                                          ------- ------ ------ ------
Daily natural gas sales volumes (MMcf):
   U.S. Remainco                            91.4   87.5   90.9   81.4
   Canada                                   52.4   53.1   50.1   41.2
                                          ------- ------ ------ ------
   Total Remainco                          143.8  140.6  141.0  122.6

   Spinco                                  124.4  185.3  151.8  168.0
                                          ------- ------ ------ ------
   Total                                   268.2  325.9  292.8  290.6

Daily liquids sales volumes (MBbls):
   U.S. Remainco                            17.4   16.6   17.8   17.1
   Canada                                    3.3    4.7    3.5    3.3
                                          ------- ------ ------ ------
   Total Remainco                           20.7   21.3   21.3   20.4

   Spinco                                    7.3    8.7    9.1    8.0
                                          ------- ------ ------ ------
   Total                                    28.0   30.0   30.4   28.4

Equivalent daily sales volumes (MMcfe):
   U.S. Remainco                           195.0  187.3  197.8  183.8
   Canada                                   72.4   81.2   71.1   60.7
                                          ------- ------ ------ ------
   Total Remainco                          267.4  268.5  268.9  244.5

   Spinco                                  168.4  237.3  206.2  216.0
                                          ------- ------ ------ ------
   Total                                   435.8  505.8  475.1  460.5

Total equivalent sales volumes (Bcfe)       40.1   46.5  129.7  126.2

Oil and gas sales revenue (millions) (1)
   U.S. Remainco                          $125.8   83.8  350.5  249.4
   Canada                                   48.0   35.9  117.2   72.9
                                          ------- ------ ------ ------
   Total Remainco                          173.8  119.7  467.7  322.3

   Spinco                                   92.4  125.3  326.7  324.4
                                          ------- ------ ------ ------
   Total                                  $266.2  245.0  794.4  646.7


Average gas sales price (per Mcf) (1)      $6.33   5.25   5.89   5.18

Average liquids sales price (per Bbl) (1) $42.83  31.75  39.03  30.16

Costs (per $ Mcfe):
   Lease operating expenses                 1.29   1.13   1.12   1.14
   Production and property taxes             .27    .18    .24    .18
   Transportation costs                      .11    .09    .11    .09
   General and administrative expense        .25    .17    .24    .18
   Interest expense                          .39    .36    .36    .34
   Current income tax expense               (.01)   .01    .02    .01

Capital expenditures (millions):
   Exploration and development              $150     53    343    194
   Acquisitions (2)                           --     19    313    383
                                          ------- ------ ------ ------
   Total                                    $150     72    656    577

(1) Includes effects of hedging.

(2) Includes a deferred tax gross up of approximately $89 million and
    $51 million for the nine month periods ended September 30, 2005
    and 2004, respectively.

FINANCIAL AND OPERATIONAL RESULTS

For the three and nine month periods ended September 30, 2005, oil and gas sales volumes decreased approximately 14% and increased approximately 3%, respectively, compared to the corresponding periods in 2004. The three month decrease was caused by the deferral of offshore Gulf of Mexico and Gulf Coast onshore production of approximately 6 Bcfe due to hurricanes in the third quarter of 2005. The nine month increase was due primarily to acquisitions of producing properties made in April 2005 and June 2004 (net of approximately $104 million of property dispositions) offset by the deferrals related to the hurricane activity in the third quarter of 2005. Increased oil and gas revenue of 9% and 23% in the three and nine months ended September 30, 2005, compared to the corresponding periods in 2004, respectively, was due to increased net price realizations for oil and natural gas.

Oil and gas production expense increased in the three and nine months ended September 30, 2005, compared to the corresponding periods of 2004. Most of the increase was from hurricane related costs and production and property taxes. The components of oil and gas production expense were as follows:


Production Expense by Component
-------------------------------

                 Three Months Ended           Nine Months Ended
                    September 30,                September 30,
             --------------------------- -----------------------------
                     Per           Per            Per            Per
              2005   Mcfe   2004   Mcfe   2005    Mcfe   2004    Mcfe
             ------- ----- ------- ----- -------- ----- -------- -----
                      (In Thousands, except per unit amounts)
Direct
 operating
expense and
 overhead   $43,727  1.10  48,366  1.04  122,817   .94  128,785  1.02
Hurricane
 repairs        919   .02      --    --      976   .01       --    --
Workovers     6,930   .17   4,035   .09   21,426   .17   15,673   .12
Transport-
 ation costs  4,597   .11   4,368   .09   14,352   .11   11,788   .09
Production
 and
 property
 taxes       10,914   .27   8,274   .18   31,358   .24   22,817   .18
             ------- ----- ------- ----- -------- ----- -------- -----

  Total     $67,087  1.67  65,043  1.40  190,929  1.47  179,063  1.41
             ======= ===== ======= ===== ======== ===== ======== =====

Production Expense Remainco versus Spinco
-----------------------------------------

                 Three Months Ended           Nine Months Ended
                    September 30,               September 30,
             --------------------------- -----------------------------
                     Per           Per            Per            Per
              2005   Mcfe   2004   Mcfe    2005   Mcfe   2004    Mcfe
             ------- ----- ------- ----- -------- ----- -------- -----
Remainco              (In Thousands, except per unit amounts)
------------
U.S.        $37,479  2.09  35,197  2.04  108,061  2.00   98,742  1.96
Canada        6,713  1.01   7,862  1.05   21,005  1.08   14,632   .88
             -------       -------       --------       --------

  Total
   Remainco  44,192  1.80  43,059  1.74  129,066  1.76  113,374  1.69

Spinco       22,895  1.48  21,984  1.01   61,863  1.10   65,689  1.11
             -------       -------       --------       --------
   Total    $67,087  1.67  65,043  1.40  190,929  1.47  179,063  1.41
             =======       =======       ========       ========

Lease operating expenses (LOE), which includes direct operating expense and overhead, hurricane repairs, and workovers, decreased to $51.6 million for the quarter ended September 30, 2005, or 2% from $52.4 million for the corresponding period in 2004. On a per-unit basis, LOE increased to $1.29 per Mcfe or 14% during the third quarter 2005 compared to the prior year's third quarter. For the nine month period ended September 30, 2005, LOE on a per-unit basis decreased 2% to $1.12 per Mcfe from $1.14 per Mcfe in the corresponding 2004 period. The increase in LOE on an equivalent Mcfe basis for the three months ended September 30, 2005, is primarily due to the deferral of offshore Gulf of Mexico production due to the hurricane activity in the third quarter of 2005. The 2% decrease in LOE on an equivalent Mcfe basis for the nine months ended September 30, 2005, is primarily a result of cost control efforts as announced in the third quarter of 2004 which have more than offset increases in service and material costs and the effects of the deferred production in the Gulf of Mexico.

Production and property taxes increased by $2.6 million or 32% during the third quarter 2005 compared to the prior year's third quarter. For the nine month period ended September 30, 2005, production and property taxes increased by 37% compared to the prior year period. The three and nine month increases were attributable to higher commodity prices. As a percentage of oil and natural gas revenue, excluding hedging losses, production and property taxes for the three and nine month periods ended September 30, 2005, were 3.3% and 3.4%, respectively, and in the comparable periods of 2004 were 3.0% and 3.1%, respectively. The increased rate is a result of a greater percentage of our production coming from onshore U.S. fields in 2005 as compared with 2004.

General and administrative expense increased 23% to $9.8 million for the quarter ended September 30, 2005, compared to $8.0 million for the corresponding period in 2004. For the nine months ended September 30, 2005, general and administrative expense increased 41% to $31.7 million compared to $22.5 million for the corresponding period in 2004. The three month increase resulted primarily from increased headcount due to acquisition activities which was partially offset by an increase in our overhead capitalization rate from 41% for the three month period ended September 30, 2004, to 42% for the corresponding period in 2005. The nine month increase resulted primarily from increased headcount due to acquisition activities and a decrease in our overhead capitalization rate from 43% for the nine month period ended September 30, 2004, to 38% for the corresponding period in 2005. Combined capitalized and expensed overhead costs increased by 26% for the comparable quarter and by 29% in the comparable nine month period.

Depreciation and depletion expense decreased to $91.0 million for the quarter ended September 30, 2005, from $94.6 million for the corresponding period in 2004. On a per-unit basis, the depreciation and depletion rate was $2.27 per Mcfe for the quarter ended September 30, 2005, compared to $2.03 per Mcfe in the corresponding period in 2004. For the nine month period ending September 30, 2005, depreciation and depletion expense increased to $284.6 million from $257.7 million for the comparable period in 2004. On a per-unit basis, the depreciation and depletion rate was $2.19 per Mcfe for the first nine months of 2005 compared to $2.04 per Mcfe in the corresponding period in 2004. The increase for the three and nine months ended September 30, 2005, as compared to the corresponding periods in the prior year are primarily due to higher anticipated drilling and completion costs on future development activities.

For the nine months ended September 30, 2005, other expense includes a charge of $2.2 million representing our 40% share of a valuation allowance that CIPC recorded in June 2005 against a portion of its deferred tax assets.

HEDGING

Forest currently has hedges in place for the remainder of 2005 and 2006 covering the aggregate average daily volumes and weighted average prices shown below. The majority of the volumes hedged for 2005 and 2006 are associated with Forest's acquisition activities. The hedges have been split between the hedges which are subject to the merger agreement with Mariner (Spinco) and those that are not (Remainco) and include all Forest hedges, both effective and ineffective. The Spinco hedges will be assumed by Mariner at the time of the merger.

                               Remainder Remainder
                                  of        of
                                 2005      2005      2006      2006
                                Remainco   Spinco   Remainco   Spinco
                               --------- --------- --------- ---------
Natural gas swaps:
------------------
Contract volumes (BBtu/d)       48.4 (2)  55.0 (2)  10.0 (1)  40.0 (1)
Weighted average price (per
 MMBtu)                        $   5.33      4.88      5.51      6.15

Natural gas collars:
--------------------
Contract volumes (BBtu/d)       43.4 (1)       --      50.0        --
Weighted average ceiling price
 (per MMBtu)                   $   7.17        --     11.88        --
Weighted average floor price
 (per MMBtu)                   $   5.85        --      7.43        --

Oil swaps:
----------
Contract volumes (MBbls/d)       8.5 (2)       --    4.0 (1)       --
Weighted average price (per
 Bbl)                          $  35.42        --     31.58        --

Oil collars:
------------
Contract volumes (MBbls/d)       1.0 (1)       --    5.5 (2)       --
Weighted average ceiling price
 (per Bbl)                     $  47.30        --     65.87        --
Weighted average floor price
 (per Bbl)                     $  42.00        --     46.73        --

Oil three-way collars:
----------------------
Contract volumes (MBbls/d)          1.5        --        --        --
Weighted average ceiling price
 (per Bbl)                     $  32.00        --        --        --
Weighted average floor price
 (per Bbl)                     $  28.00        --        --        --
Three-way weighted average
 floor price (per Bbl)         $  24.00        --        --        --

(1) Represents hedged volumes associated with Forest's acquisition
    activities.

(2) 100.0 of the 103.4 BBtu/d of hedged natural gas volumes and 6.5 of
    the 8.5 MBbls/d of hedged oil swap volumes in 2005 are associated
    with Forest's acquisition activities. 1.0 of the 5.5 BBtu/d of
    hedged natural gas collar volumes in 2006 are associated with
    Forest's acquisition activities.

OPERATIONAL PROJECT UPDATE Western Business Unit

Buffalo Wallow, Texas Panhandle (66-100% Working Interest) -- During the third quarter, Forest completed 14 wells with a 100% success rate and had 7 wells in progress on September 30, 2005, including activity in offset areas. A total of 25 wells have been drilled since acquiring this property in April 2005. Initial rates in the third quarter ranged from 1.4 to 3.8 MMcfe/d and averaged 2.7 MMcfe/d. Additional fracture treatment stages and deeper Atoka pay have contributed to the higher than anticipated initial rates. Current net production is approximately 32 MMcfe/d, an increase of approximately 60% from the acquisition net production rate of 20 MMcfe/d.

Greater Haley Area, West Texas (93-100% Working Interest) -- In the Greater Haley Area, Forest's first completion had an initial rate of 5.0 MMcfe/d. Two wells are drilling and are expected to reach total depth in the fourth quarter. Two additional recompletions/re-entries are planned in the fourth quarter. Our acreage position has been increased to approximately 30,000 net acres.

SE New Mexico Exploration Program (6-50% Working interest) -- A total of 12 gross wells have been completed in 2005 at an 83% success rate. Initial rates have averaged 1.9 MMcfe/d. Forest has recently increased its acreage position to approximately 6,400 acres in this area.

Central Midland Basin, Texas Exploitation (25-100% Working interest) -- A total of 21 wells have been drilled year to date at a 100% success rate. Most of these projects are located in the Martin, Fullerton, Dune and Tex-Mex Fields. Activity will be increased in these areas using Forest-owned rigs. There are approximately 150 potential drilling locations identified in this area. Initial production rates range from 270 Mcfe/d to 2.2 MMcfe/d.

Canada Business Unit

Wild River Area, Alberta, Canada (24-100% Working Interest) -- The Wild River area continues to be our most active area in Canada with gross production reaching a record of 49 MMcfe/d in the third quarter. This is a 36% increase in production since the second quarter of 2005, and 188% since the beginning of the year. A total of 26 wells have been drilled year to date with a 100% success rate. There are currently 4 wells which have been drilled and are awaiting completion or pipeline connection.

Southern Business Unit

Sabine Prospect, Calcasieu Parish, Louisiana (45% Working Interest) -- The Olympia 9-1, the fifth exploration well was cased and tested at rates of 1.1 MMcfe/d. The sixth well is currently drilling with one additional well planned in the fourth quarter of 2005. Forest has approximately 157,000 gross acres in this area.

Gulf of Mexico

Eugene Island 53 (64% Working Interest) -- The EI 53 G-1 was completed and was tied to sales in October. The current rate from this dual completion is 15.7 MMcfe/d.

Brazos Block 491 (100% Working Interest) -- The BR 491 #4 well was tied to sales late in the third quarter at an initial rate of 7.7 MMcfe/d.

Vermilion Block 102 (100% Working Interest) -- Two wells were drilled and tested in the third quarter. The VR 102 A-3 had an initial rate of 5.1 MMcfe/d and the VR 102 A-5 tested at 3.0 MMcfe/d. Both wells will be on line in the fourth quarter of 2005.

Vermilion Block 14/26 Field (100% Working Interest) -- The VR 26 #52 recompletion tested at 12.5 MMcfe/d.

Alaska Business Unit

Onshore Cook Inlet Gas Exploration Program (30-100% Working Interest) -- Interconnect and facilities construction were completed and first sales began in November 2005 under a new gas supply arrangement. Sales from additional wells which are planned in 2005 and 2006 will also be sold under this arrangement. Currently, gas sales in Alaska are 8.0 MMcfe/d.

There are currently two wells in progress in the West Foreland area and one delineation well being drilled at Three Mile Creek. It is anticipated that an additional exploratory well will be spud this year at the Middle Lake prospect as well as another Three Mile Creek delineation well.

HURRICANE UPDATE

Forest had approximately 180 MMcfe/d of production shut-in in the Gulf Coast Region on October 1, 2005, due to the third quarter hurricanes. Forest estimates that current shut-in production is approximately 100-110 MMcfe/d. The majority of the production that remains shut-in is due to third-party processing facilities and infrastructure. The timetable for restoring full production is uncertain as it is dependent on repairs to transportation and processing facilities which are owned by others. Forest estimates that total production deferred during the fourth quarter of 2005 for Hurricanes Katrina and Rita will be approximately 10 Bcfe, of which 0.6 Bcfe pertains to Remainco properties.

2005 GUIDANCE

Forest first announced its 2005 guidance on February 16, 2005, updated guidance on April 4, 2005, and reported initial hurricane damage assessments on September 30, 2005. Due to the substantial impact of the third quarter hurricanes on the Company's operations, new guidance for 2005 is disclosed below. The following update is made subject to the following cautionary statements and limitations:

Prices for Forest's products are determined primarily by prevailing market conditions. Market conditions for these products are influenced by regional and worldwide economic and political conditions, consumer product demand, weather and other substantially variable factors. These factors are beyond Forest's control and are difficult to predict. In addition, prices received by Forest for its oil and gas production may vary considerably due to difference between regional markets, transportation availability and demand for different grades of products. Consequently, Forest's financial results and resources are highly influenced by this price volatility.

Estimates for Forest's future production are based on assumptions of capital expenditure levels and the assumption that market demand and prices for oil and gas will continue at levels that allow for economic production of these products.

The production, transportation and marketing of liquids and gas are complex processes that are subject to disruption due to transportation and processing availability, mechanical failure, human error, meteorological events including, but not limited to, hurricanes, earthquakes, and numerous other factors. Our estimates are based on certain other assumptions, such as well performance, which may vary significantly from those assumed. Therefore, we can give no assurance that our future production will be as estimated.

Forest has completed several major property acquisitions and dispositions in recent years, and has a pending transaction involving the spin-off and merger of the offshore Gulf of Mexico operation. The following forward-looking data excludes the financial and operating effects of potential property acquisitions or divestitures during 2005 and does not include the effects of the pending spin-off and merger transaction. The timing and ultimate results of such acquisition and divestiture activity is difficult to predict, and may vary materially from current plans and expectations.

Given these general limitations and those discussed below, the following is a summary of Forest's updated guidance for 2005:

Daily Production. We estimate that our daily production will be in the range of 450 to 460 MMcfe/d for the full year of 2005.

Liquids Production. We estimate that our 2005 production of oil and natural gas liquids will be between 28,000 and 30,000 Bbls/d.

Gas Production. We estimate that our 2005 natural gas production will be between 275 and 285 MMcf/d.

Production Expense. Our oil and gas production expense (which includes LOE, ad valorem taxes, production taxes and product gathering and transportation) varies in response to several factors. Among the most significant of these factors are additions to or deletions from our property base, changes in production taxes, general changes in the prices of services and materials that are used in the operation of our properties and the amount of repair and workover activity required. We expect that our 2005 production expense, including hurricane repairs and insurance retentions, will be between $255 million and $265 million.

General and Administrative Expense (G&A). We estimate that due to our lower than expected capitalization rate our 2005 G&A expense will be between $40 million and $44 million.

Depreciation, Depletion and Amortization (DD&A). We estimate that our DD&A rate will be between $2.20 and $2.30 per Mcfe during 2005.

Capital Expenditures. We estimate that expenditures for exploration and development will be between $475 million and $500 million in 2005. Some of the factors impacting the level of capital expenditures in 2005 include the cost and availability of oil field services, weather disruptions and installations delayed for hurricanes.

NON-GAAP FINANCIAL MEASURES

In addition to reporting net earnings as defined under GAAP, Forest also presents adjusted EBITDA, which consists of net earnings plus interest expense, income tax expense, depreciation and depletion, accretion of asset retirement obligation, retrospective insurance costs, unrealized losses on derivatives, impairment of oil and gas properties, and change in deferred tax valuation allowance of equity method investee (CIPC). Management uses this measure to assess the Company's ability to generate cash to fund exploration and development activities and to service debt. Management interprets trends in this measure in a similar manner as trends in cash flow and liquidity. Adjusted EBITDA should not be considered as an alternative to net earnings as defined by GAAP. The following is a reconciliation of net earnings to adjusted EBITDA (in thousands):

                                  Three Months Ended Nine Months Ended
                                    September 30,      September 30,
                                  ------------------ -----------------
                                    2005     2004     2005     2004
                                  --------- -------- -------- --------
Net earnings                     $   3,265   31,775   94,337   78,967
Interest expense                    15,664   16,604   46,224   42,635
Income tax expense                     516   20,367   53,631   49,812
Depreciation and depletion          91,029   94,583  284,554  257,685
Accretion of asset retirement
 obligation                          4,352    4,472   12,951   12,900
Retrospective insurance costs        3,552       --    4,002       --
Unrealized losses on derivatives    72,095    3,584   74,365    3,367
Impairment of oil and gas
 properties                             --       --    2,924    1,690
Change in deferred tax valuation
 allowance of equity method
 investee (CIPC)                        --       --    2,167       --
                                  --------- -------- -------- --------
   Adjusted EBITDA               $ 190,473  171,385  575,155  447,056
                                  ========= ======== ======== ========

Forest presents net cash flow from operations, exclusive of working capital items, which consists of net cash provided by operating activities excluding changes in accounts receivable, other current assets, and accounts payable and accrued expenses. Management uses this measure to assess the Company's ability to generate cash to fund exploration and development activities. Management interprets trends in this measure in a similar manner as trends in cash flow and liquidity. Net cash flow from operations, exclusive of working capital items should not be considered as an alternative to net cash provided by operating activities as defined by GAAP. Forest also presents free cash flow, which consists of net cash from operations, exclusive of working capital items less exploration and development capital expenditures. Management uses this measure to assess the Company's ability to generate cash to repay debt and fund acquisitions. Management also interprets trends in this measure in a similar manner as trends in cash flow and liquidity. Free cash flow should not be considered as an alternative to net cash provided by operating activities as defined by GAAP. The following is a reconciliation of net cash provided by operating activities to net cash flow from operations, exclusive of working capital items and a reconciliation of net cash provided by operating activities to free cash flow (in thousands):

                                 Three Months Ended  Nine Months Ended
                                    September 30,      September 30,
                                 ------------------  -----------------
                                   2005     2004      2005     2004
                                 --------- --------  -------- --------
Net cash provided by operating
 activities                     $ 193,009  120,426   518,432  363,621
Changes in operating assets and
 liabilities:
         Accounts receivable       21,390   (5,378)      645  (29,629)
         Other current assets       5,280     (370)    3,956    4,676
         Accounts payable and
         accrued expenses         (45,688)  38,760        67   61,180
                                 --------- --------  -------- --------
Net cash flow from operations,
 exclusive of working capital
 items                          $ 173,991  153,438   523,100  399,848
Less:  Exploration and
 development capital
 expenditures                     149,939   53,105   343,441  194,153
                                 --------- --------  -------- --------
Free cash flow                  $  24,052  100,333   179,659  205,695
                                 ========= ========  ======== ========

Forest presents adjusted net earnings, a financial measure that excludes certain items that management believes affect the comparability of operating results. Further, the timing and amounts of these items cannot be reasonably estimated and affect the comparability of operating results from period to period. Management uses this measure to evaluate the Company's operational trends and performance relative to other oil and gas companies as well as with earnings estimates provided by securities analysts. Forest presents adjusted net earnings, which consists of net earnings plus unrealized losses on derivative instruments, retrospective insurance costs, impairment of oil and gas properties, changes in deferred tax valuation allowance of equity method invest (CIPC), and an income tax adjustment. Adjusted net earnings should not be considered as an alternative to net earnings as defined by GAAP. The following is a reconciliation of net earnings to adjusted net earnings (in thousands):

                                 Three Months Ended  Nine Months Ended
                                    September 30,      September 30,
                                 ------------------  -----------------
                                   2005     2004       2005     2004
                                 --------- --------  --------- -------
Net earnings                    $   3,265   31,775     94,337  78,967
Unrealized losses on derivative
 instruments                       72,095    3,584     74,365   3,367
Retrospective insurance costs       3,552       --      4,002      --
Impairment of oil and gas
 properties                            --       --      2,924   1,690
Changes in deferred tax
 valuation allowance of equity
 method investee (CIPC)                --       --      2,167      --
Income tax adjustment for above
 items                            (28,746)  (1,362)   (31,714) (1,922)
                                 --------- --------  --------- -------
Adjusted net earnings           $  50,166   33,997    146,081  82,102
                                 ========= ========  ========= =======
Adjusted basic earnings per
 common share                   $     .81      .58       2.39    1.46
                                 ========= ========  ========= =======
Adjusted diluted earnings per
 common share                   $     .79      .57       2.33    1.44
                                 ========= ========  ========= =======

In addition to total debt, Forest also presents net debt, which consists of principal amount of long-term debt less cash and cash equivalents on hand at the end of the period. Management uses this measure to assess the Company's indebtedness, based on actual principal amounts owed and cash on hand which has not been applied to reduce the amounts of the credit facility. The following table sets forth the components of net debt as of September 30, 2005 and 2004 (in millions):

                               September 30, 2005  September 30, 2004
                               ------------------- -------------------
                                Principal  Book(1) Principal  Book(1)
                               ----------- ------- ---------- --------

Credit facilities and bank
 debt                         $       119     119        271      271
8% Senior notes due 2008              265     271        265      273
8% Senior notes due 2011              285     298        285      300
7  3/4% Senior notes due 2014         150     163        150      165
                               ----------- ------- ---------- --------
   Total long-term debt       $       819     851        971    1,009
Cash and cash equivalents               7       7         26       26
                               ----------- ------- ---------- --------
   Net debt                   $       812     844        945      983
                               =========== ======= ========== ========

(1) Book amounts include the principal amount of long-term debt adjusted for unamortized gains on interest rate swaps of $26.7 million and $31.6 million at September 30, 2005 and 2004, respectively and an unamortized net premium on issuance of $5.8 million and $6.7 million at September 30, 2005 and 2004, respectively.

TELECONFERENCE CALL

Forest Oil Corporation management will hold a teleconference call on Thursday, November 10, 2005, at 12:00 p.m. MT to discuss the items described in this press release. If you would like to participate please call 800-399-6298 (for U.S./Canada) and 706-634-0924 (for International) and request the Forest Oil teleconference (ID # 1605103).

A replay will be available from Thursday, November 10 through November 17, 2005. You may access the replay by dialing toll-free 800-642-1687 (for U.S./Canada) and 706-645-9291 (for International), conference ID # 1605103.

FORWARD-LOOKING STATEMENTS

This news release includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements, other than statements of historical facts, that address activities that Forest assumes, plans, expects, believes, projects, estimates or anticipates (and other similar expressions) will, should or may occur in the future are forward-looking statements. The forward-looking statements provided in this press release are based on management's current belief, based on currently available information, as to the outcome and timing of future events. Forest cautions that its future natural gas and liquids production, revenues and expenses and other forward-looking statements are subject to all of the risks and uncertainties normally incident to the exploration for and development and production and sale of oil and gas. These risks include, but are not limited to, price volatility, inflation or lack of availability of goods and services, environmental risks, drilling and other operating risks, regulatory changes, the uncertainty inherent in estimating future oil and gas production or reserves, and other risks as described in Forest's 2004 Annual Report on Form 10-K as filed with the Securities and Exchange Commission. Also, the financial results of Forest's foreign operations are subject to currency exchange rate risks. Any of these factors could cause Forest's actual results and plans to differ materially from those in the forward-looking statements.

These materials are not a substitute for the registration statement that was filed with the Securities and Exchange Commission in connection with the spin-off transaction, or the proxy statement/prospectus-information statement to be mailed to shareholders. The registration statement has not yet been declared effective. Investors are urged to read the proxy statement/prospectus-information statement which will contain important information, including detailed risk factors, when it becomes available. The proxy statement/prospectus-information statement and other documents that will be filed by Forest and Mariner with the Securities and Exchange Commission will be available free of charge at the SEC's website, www.sec.gov, or by directing a request when such a filing is made to Forest Oil Corporation, 707 17th Street, Suite 3600, Denver, CO 80202, Attention: Investor Relations; or by directing a request when such a filing is made to Mariner Energy, Inc., 2101 CityWest Blvd., Bldg. 4, Suite 900, Houston, TX 77042-2831, Attention: Investor Relations.

Mariner, Forest and their respective directors, and executive officers may be considered participants in the solicitation of proxies in connection with the proposed transaction. Information about the participants in the solicitation will be set forth in the proxy statement/prospectus-information statement when it becomes available.

Forest Oil Corporation is engaged in the acquisition, exploration, development, and production of natural gas and liquids in North America and selected international locations. Forest's principal reserves and producing properties are located in the United States in the Gulf of Mexico, Texas, New Mexico, Louisiana, Oklahoma, Utah, Wyoming and Alaska, and in Canada. Forest's common stock trades on the New York Stock Exchange under the symbol FST. For more information about Forest, please visit our website at www.forestoil.com.

                        FOREST OIL CORPORATION
                 Condensed Consolidated Balance Sheets
                              (Unaudited)

                                           September 30, December 31,
                                               2005         2004
                                               ----         ----
                                                 (In Thousands)

                        ASSETS
Current assets:
 Cash and cash equivalents                    $6,589       55,251
 Accounts receivable                         161,372      151,927
 Current deferred tax asset                  125,298       38,321
 Other current assets                         32,601       37,969
                                           ---------    ---------
    Total current assets                     325,860      283,468

 Net property and equipment                3,105,401    2,721,118

Goodwill                                     101,590       68,560
Other assets                                  39,845       49,359
                                           ---------    ---------
                                          $3,572,696    3,122,505
                                           =========    =========

         LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
 Accounts payable and accrued expenses      $263,007      217,640
 Derivative instruments                      290,413       80,523
 Asset retirement obligations                 34,733       25,452
                                           ---------    ---------
    Total current liabilities                588,153      323,615

Long-term debt                               851,480      888,819
Asset retirement obligations                 177,116      184,724
Derivative instruments                        42,832       20,890
Other liabilities                             41,299       35,785
Deferred income taxes                        344,514      196,525
                                           ---------    ---------
    Total liabilities                      2,045,394    1,650,358
Shareholders' equity:
 Common stock                                  6,398        6,159
 Capital surplus                           1,498,191    1,444,367
 Retained earnings                           160,331       66,007
 Accumulated other comprehensive (loss)
  income                                     (86,715)       6,780
 Treasury stock, at cost                     (50,903)     (51,166)
                                           ---------    ---------
 Total shareholders' equity                1,527,302    1,472,147
                                           ---------    ---------
                                          $3,572,696    3,122,505
                                           =========    =========
                        FOREST OIL CORPORATION
            Condensed Consolidated Statements of Operations
                              (Unaudited)

                                Three Months Ended  Nine Months Ended
                                  September 30,       September 30,
                                ------------------  -----------------
                                 2005      2004      2005      2004
                                 ----      ----      ----      ----
                               (In Thousands Except Per Share Amounts)
Revenue:
 Oil and gas sales:
   Natural gas                $156,070   157,424   470,711   412,639
   Oil, condensate and
    natural gas liquids        110,080    87,569   323,664   234,079
                               -------   -------   -------   -------
     Total oil and gas sales   266,150   244,993   794,375   646,718
 Processing and marketing
  income, net                    2,086       400     5,207     1,406
                               -------   -------   -------   -------
     Total revenue             268,236   245,393   799,582   648,124
Operating expenses:
 Lease operating expenses       51,576    52,401   145,219   144,458
 Production and property taxes  10,914     8,274    31,358    22,817
 Transportation costs            4,597     4,368    14,352    11,788
 General and administrative      9,847     7,975    31,694    22,504
 Depreciation and depletion     91,029    94,583   284,554   257,685
 Accretion of asset retirement
  obligation                     4,352     4,472    12,951    12,900
 Retrospective insurance costs
  and impairment of oil and gas
  properties                     4,002        --     6,926     1,690
                               -------   -------   -------   -------
     Total operating expenses  176,317   172,073   527,054   473,842
                               -------   -------   -------   -------
Earnings from operations        91,919    73,320   272,528   174,282
                               -------   -------   -------   -------
Other income and expense:
 Interest expense               15,664    16,604    46,224    42,635
 Unrealized losses on
  derivative instruments        72,095     3,584    74,365     3,367
 Other expense (income), net       379       990     3,971      (350)
                               -------   -------   -------   -------
     Total other income and
      expense                   88,138    21,178   124,560    45,652
                               -------   -------   -------   -------
Earnings before income taxes
 and discontinued operations     3,781    52,142   147,968   128,630
Income tax expense:
 Current                          (203)      461     1,971     1,329
 Deferred                          719    19,906    51,660    47,759
                               -------   -------   -------   -------
     Total income tax expense      516    20,367    53,631    49,088
                               -------   -------   -------   -------
Earnings from continuing
 operations                      3,265    31,775    94,337    79,542
Loss from discontinued
 operations, net of tax             --        --        --      (575)
                               -------   -------   -------   -------
Net earnings                    $3,265    31,775    94,337    78,967
                               =======   =======   =======   =======
Weighted average number of
 common shares outstanding:
  Basic                         61,946    59,019    61,198    56,058
                               =======   =======   =======   =======
  Diluted                       63,140    60,157    62,707    57,126
                               =======   =======   =======   =======
Basic earnings per common share:
 Earnings from continuing
  operations                      $.05       .54      1.54      1.42
 Loss from discontinued
  operations, net of tax            --        --        --      (.01)
                               -------   -------   -------   -------
 Net earnings per common share    $.05       .54      1.54      1.41
                               =======   =======   =======   =======
Diluted earnings per common share:
 Earnings from continuing
  operations                      $.05       .53      1.50      1.39
 Loss from discontinued
  operations, net of tax            --        --        --      (.01)
                               -------   -------   -------   -------
 Net earnings per common share    $.05       .53      1.50      1.38
                               =======   =======   =======   =======
                        FOREST OIL CORPORATION
            Condensed Consolidated Statements of Cash Flows
                              (Unaudited)

                                                  Nine Months Ended
                                                     September 30,
                                                ----------------------
                                                   2005        2004
                                                ----------   ---------
                                                    (In Thousands)
Cash flows from operating activities:
  Net earnings                                     $94,337     78,967
  Adjustments to reconcile net earnings to net
   cash provided by operating activities:
    Depreciation and depletion                     284,554    257,685
    Accretion of asset retirement obligation        12,951     12,900
    Impairment of oil and gas properties             2,924      1,690
    Unrealized losses on derivative instruments     74,365      3,367
    Deferred income tax expense                     51,660     48,481
    Other, net                                       2,309     (3,242)
  Changes in operating assets and liabilities,
   net of effects of acquisitions:
    Accounts receivable                               (645)    29,629
    Other current assets                            (3,956)    (4,676)
    Accounts payable and accrued expenses              (67)   (61,180)
                                                ----------   ---------
Net cash provided by operating activities          518,432    363,621

Cash flows from investing activities:
  Acquisition of subsidiaries                     (196,645)  (169,821)
  Capital expenditures for property and
   equipment:
    Exploration, development and other
     acquisition costs                            (351,488)  (235,259)
    Other fixed assets                              (9,659)    (1,938)
  Proceeds from sales of assets                     23,668     17,676
  Sale of goodwill and contract value                   --      8,493
  Other, net                                        (4,273)    (5,693)
                                                ----------   ---------
Net cash used by investing activities             (538,397)  (386,542)

Cash flows from financing activities:
  Proceeds from bank borrowings                  1,630,000  1,321,074
  Repayments of bank borrowings                 (1,663,000)(1,342,646)
  Repayments of bank debt assumed in
   acquisitions                                    (35,000)   (66,354)
  Issuance of 8% senior notes, net of issuance
   costs                                                --    133,312
  Redemption of 9  1/2% senior notes                    --   (126,971)
  Proceeds of common stock offering, net of
   offering costs                                       --    117,143
  Proceeds from the exercise of options and
   warrants                                         41,806     11,666
  Other, net                                        (1,723)    (8,805)
                                                ----------   ---------
Net cash (used) provided by financing
 activities                                        (27,917)    38,419
Effect of exchange rate changes on cash               (780)    (1,434)
                                                ----------   ---------
Net (decrease) increase in cash and cash
 equivalents                                       (48,662)    14,064
Cash and cash equivalents at beginning of
 period                                             55,251     11,509
                                                ----------   ---------
Cash and cash equivalents at end of period          $6,589     25,573
                                                ==========   =========

CONTACT:
Forest Oil Corporation
Patrick J. Redmond, 303-812-1441

SOURCE:
Forest Oil Corporation