Addax Petroleum announces another year of successful production and reserves growth in 2008



    
    -   20 per cent increase in Proved plus Probable oil reserves to
        536.7 MMbbl
    -   23 per cent increase in unrisked prospective oil resources to
        2,772 MMbbl
    -   17 per cent increase in contingent gas resources to 2,820 Bcf
    -   281 per cent Reserve Replacement Ratio
    -   Extended Reserve Life Index to 10.8 years
    

    CALGARY, Feb. 4 /CNW/ - Addax Petroleum Corporation ("Addax Petroleum" or
the "Corporation") (TSX:AXC and LSE:AXC), today announces that its Board of
Directors has accepted a reserve report prepared by Netherland, Sewell &
Associates Inc., independent oil and natural gas reservoir engineers ("NSAI"),
that evaluates all of the Corporation's petroleum reserves and certain
resources (the "NSAI Report"). As at December 31, 2008, NSAI estimates gross
working interest proved plus probable reserves for the Corporation to be 536.7
MMbbl, representing an increase of 20 per cent over the quantities estimated
by NSAI at December 31, 2007 and a reserves replacement ratio of 281 per cent.
In addition, the Corporation produced an average of 136.5 thousand barrels per
day ("Mbbl/d") of oil during 2008, representing an increase of 8 per cent over
2007 and in line with previous guidance. Production for the fourth quarter of
2008 averaged 142.5 Mbbl/d.
    This announcement coincides with the filing of a material change report
by the Corporation which can be accessed through the Corporation's website at
www.addaxpetroleum.com and through www.sedar.com. Unless otherwise indicated,
the reserve estimates in this release are based on forecast prices and costs
and are gross working interest proved plus probable estimates. Except as
otherwise indicated, references to "$" and to "dollars" refer to the currency
of the United States of America.

    CEO's Comment

    Commenting today, Addax Petroleum's President and Chief Executive
Officer, Jean Claude Gandur, said: "I am very pleased to report excellent
operational results for a tenth consecutive year. Our accomplishments in 2008
continue Addax Petroleum's successful track record of simultaneously growing
both production and reserves. During 2008, we met our revised targets for
production levels and exceeded our expectations for reserves growth by adding
close to three times the amount we produced during the year, primarily through
new discoveries and extensions of previous discoveries. We also significantly
increased our prospective oil resource inventory despite having drilled
thirteen exploration and appraisal wells during the year. Further, we continue
to invest wisely to develop our existing fields while expanding our reserves
and resources base with a dynamic exploration program. We are proud of the
success we have delivered in 2008 to Addax Petroleum's shareholders and
stakeholders and look forward to continuing this successful trend this year
and beyond."

    The NSAI Report

    The NSAI Report was prepared for the Corporation at the direction of the
Technical and Reserves Committee of Addax Petroleum's Board of Directors,
using assumptions and methodology guidelines outlined in the Canadian Oil and
Gas Evaluation Handbook and in accordance with National Instrument 51-101. In
addition to oil reserves on the Corporation's license areas, the NSAI Report
includes prospective oil resources for the Corporation's license areas in West
Africa and the Kurdistan Region of Iraq and contingent gas resources for the
Corporation's Nigeria license areas.

    
    Selected Oil Reserves Highlights

    Highlights of oil reserves reported in the NSAI Report and the
Corporation's 2008 production, with comparatives to 2007 results, are as
follows:

    -   Total reserves increased by 20 per cent to 536.7 MMbbl as at
        December 31, 2008 from 446.7 MMbbl as at December 31, 2007. The
        Corporation did not make reserves acquisitions or disposals in 2008
        and the 2008 reserves additions arise primarily from the
        Corporation's operational activity, including extensions and
        discoveries, and favourable economic factors.

    -   In Nigeria, reserves increased by 23 per cent to 324.0 MMbbl as at
        December 31, 2008 from 262.7 MMbbl as at December 31, 2007. The most
        significant additions to reserves in Nigeria came from additional
        appraisal activity at the Kita Marine field in OML123 which increased
        the reserves of that field by 34.0 MMbbl and the recently announced
        Njaba discovery which was estimated to have reserves of 42.0 MMbbl
        prior to additional appraisal drilling which is currently underway.
        Oil production for 2008 in Nigeria averaged 108.0 Mbbl/d representing
        an increase of 3 per cent over 2007.

    -   In Gabon, reserves decreased by 6 per cent to 103.3 MMbbl as at
        December 31, 2008 from 109.4 MMbbl as at December 31, 2007,
        predominantly from oil production which totalled 10.4 MMbbl during
        the year. Oil production for 2008 in Gabon averaged 28.5 bbl/d
        representing an increase of 33 percent over 2007.

    -   In the Kurdistan Region of Iraq, reserves increased by 47 per cent to
        109.5 MMbbl as at December 31, 2008 from 74.6 MMbbl as at December
        31, 2007, all of which are contained in the Taq Taq field. This
        increase in reserves was primarily the result of additional appraisal
        drilling during 2008. There was minor oil production from the Taq Taq
        field during 2008.

    -   The Corporation's overall 2008 reserves replacement ratio was 281 per
        cent. The reserves replacement ratio is calculated by dividing the
        reserves additions of 140.0 MMbbl (before deduction of 2008
        production of 49.9 MMbbl) by the 2008 production.

    -   The Corporation's 2008 reserve life index, based on reserves as at
        December 31, 2008 and average 2008 oil production, has been extended
        to 10.8 years from 9.7 in 2007. The 2008 reserve life index is
        calculated by dividing the reserves of 536.7 MMbbl as at December 31,
        2008 by the 2008 production of 49.9 MMbbl.

    -   Total gross working interest proved plus probable plus possible
        reserves have increased by 27 per cent to 738.4 MMbbl as at December
        31, 2008 from 580.3 MMbbl as at December 31, 2007.

    -   The Corporation's oil production for the fourth quarter of 2008
        averaged 142.5 Mbbl/d, comprised of 113.1 Mbbl/d in Nigeria and
        29.4 Mbbl/d in Gabon.

    The following table summarises selected reserves information as at
December 31, 2008:

                     Oil Reserves and Future Net Revenues
         based on Forecast Prices and Costs as at December 31, 2008
    -------------------------------------------------------------------------

                                                                   Estimated
                                                                  NPV 10% of
                                                                  Future Net
                                        Gross Working                Revenue
                                     Interest Reserves             After Tax
                           ------------------------------------ -------------
                                                   Proved plus
                                    Proved plus  Probable plus   Proved plus
                            Proved     Probable       Possible      Probable
                           ------------------------------------ -------------
                            (MMbbl)      (MMbbl)        (MMbbl)    ($million)

    Nigeria                  133.8        324.0          458.9         3,814
    Gabon                     66.7        103.3          127.0         1,676
    Kurdistan Region of Iraq  13.7        109.5          152.6         1,032
    Total                    214.2        536.7          738.4         6,521


    The following table reconciles changes in gross working interest proved
plus probable reserves:

                 Reconciliation of the Corporation's Reserves
                     based on Forecast Prices and Costs
    -------------------------------------------------------------------------

                                                   Gross Working Interest
                                               Proved plus Probable Reserves
                                               -----------------------------
                                                           (MMbbl)

    Estimated as at December 31, 2007                       446.7
    Acquisitions net of Disposals                             0.0
    Discoveries                                              52.5
    Extensions and Improved Recoveries                       70.9
    Technical Revisions                                      10.5
    Economic Factors                                          6.1
    Production                                              (49.9)
    Estimated as at December 31, 2008                       536.7


    Selected Prospective Oil Resources Highlights

    Highlights of prospective oil resources reported in the NSAI Report, with
comparatives to December 31, 2007, are as follows:

    -   Prospective oil resources were reported for the majority of the
        Corporation's license areas in West Africa and in the Kurdistan
        Region of Iraq.

    -   Total gross working interest best estimate unrisked prospective oil
        resources increased by 23 per cent to 2,772 MMbbl as at December 31,
        2008 from 2,246 MMbbl as at December 31, 2007. Risked prospective oil
        resources increased by 12 per cent to 825 MMbbl as at December 31,
        2008 from 738 MMbbl as at December 31, 2007.

    -   Of the year-end 2008 best estimate unrisked prospective oil
        resources, 1,359 MMbbl or 49 per cent relate to the Corporation's
        Deep Water Gulf of Guinea portfolio, 1,030 MMbbl or 37 per cent to
        onshore Nigeria and shallow water offshore Nigeria and Cameroon,
        248 MMbbl or 9 per cent to Gabon and 136 MMbbl or 5 per cent to the
        Kurdistan Region of Iraq.

    -   The largest additions to best estimate unrisked prospective oil
        resources are in OML137, where 179 MMbbl were added arising primarily
        from the addition of new prospects, in the Deepwater Gulf of Guinea,
        where 155 MMbbl were added arising primarily from the addition of new
        prospects, in the Kurdistan Region of Iraq, where 136 MMbbl were
        added to include this area for the first time, and in Gabon, where
        64 MMbbl were added onshore due primarily to the acquisition of new
        seismic data and 68 Mbbl were added offshore due primarily to the
        acquisition of the Gryphon Marin license area during 2008.

    The following table summarises selected prospective oil resources
information as at December 31, 2008:

                Estimates of the Corporation's Prospective Oil
               Resources in West Africa as at December 31, 2008

    -------------------------------------------------------------------------
                                                         Best Estimate
                                                   Prospective Oil Resources
                                                  ---------------------------
                                                      Unrisked        Risked
    -------------------------------------------------------------------------
                                                        (MMbbl)       (MMbbl)
    Shallow water and onshore Nigeria
     and Cameroon
      OML123                                               341            71
      OML124                                               110             9
      OML126                                               272            51
      OML137                                               254           112
      Ngosso (Cameroon)                                     54            12
      Sub-total                                          1,030           255

    Deep Water Gulf of Guinea
      JDZ (1, 2, 3 & 4)                                    793           306
      OPL291, Nigeria                                      566           188
      Sub-total                                          1,359           493

    Kurdistan Region of Iraq
      Kewa Chirmila                                         10             1
      Sangaw North                                         126            14
      Sub-total                                            136            15

    Gabon
      Onshore                                               99            18
      Offshore                                             149            43
      Sub-total                                            248            61

    -------------------------------------------------------------------------
    Total                                                2,772           825
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    Totals may not add because of rounding


    Selected Contingent Gas Resources Highlights

    Highlights of contingent gas resources reported in the NSAI Report, with
comparatives to December 31, 2007, are as follows:

    -   Contingent gas resources reported are limited to the Corporation's
        producing license areas in the shallow water and onshore license
        areas in Nigeria only. They are categorized as contingent because the
        commerciality of the gas resources and the Corporation's rights to
        produce the gas resources have yet to be established. The Corporation
        is presently reviewing commercial development proposals for these
        contingent gas resources.

    -   Total gross working interest best estimate contingent gas resources
        increased by 17 per cent to 2,820 Bcf as at December 31, 2008 from
        2,415 Bcf as at December 31, 2007. Best estimate liquids associated
        with contingent gas resources increased by 8 per cent to 83.5 MMbbl
        as at December 31, 2008 from 77.2 MMbbl as at December 31, 2007.

    -   The largest additions to best estimated contingent gas resources are
        in OML137 where 411 Bcf and 8.7 MMbbl of associated liquids were
        added arising from the Corporation's successful exploration and
        appraisal efforts during 2008.

    The following table summarises selected contingent gas resources
information as at December 31, 2008, including associated gas liquids
quantities:

                     Best Estimates of the Corporation's
         Contingent Gas Resources in Nigeria as at December 31, 2008

    -------------------------------------------------------------------------
                                              Contingent Gas      Associated
                                                 Resources(1)  Gas Liquids(2)
                                                        (Bcf)         (MMbbl)
    -------------------------------------------------------------------------
    OML123                                             1,013            25.2
    OML124                                               377            22.8
    OML126                                                92             1.5
    OML137                                             1,337            34.0
    Okwok                                                  2               0
    -------------------------------------------------------------------------
    Total                                              2,820            83.5
    -------------------------------------------------------------------------
    -------------------------------------------------------------------------
    (1) after deductions for plant fuel and extraction of gas liquids
    (2) includes LPG and C5+


    Other Recent Exploration and Appraisal Drilling Activity

    The Corporation also recently concluded the following appraisal activities
in Nigeria and Gabon:

    -   Ossu North (OML124 license area): Successful appraisal of the
        northern area of the Ossu field in OML124 onshore Nigeria. The
        Ossu 14 (North) well has expanded the areal extent of the Ossu field
        by proving the presence of oil north of a saddle separating the main
        field from an independent block. The well was drilled with the DWC 20
        drilling rig and encountered a gross hydrocarbon column of 25 feet,
        of which 12 feet is oil bearing.

    -   Adanga North Graben (OML123 license area): Gas was encountered
        through the drilling of an appraisal well on the Adanga North Graben
        prospect in OML123 offshore Nigeria. The Adanga North Graben prospect
        on the southeastern part of the license area was drilled to a total
        depth of 1,620 metres by the Tommy Craighead rig. The Adanga North
        Graben well encountered two gas bearing intervals with individual
        columns of approximately 16 feet each at depths ranging from 1,440 to
        1,560 metres.

    -   Andok (Maghena license area): Hydrocarbon shows were encountered in
        the main objective interval and an up-dip sidetrack of the Andok
        prospect in the Maghena license area onshore Gabon. The Andok well is
        located approximately five kilometres east of the Corporation's
        Tsiengui field and was drilled to a total depth of 1,746 metres.
        Addax Petroleum plans to drill one exploration well in each of the
        Maghena and Epaemeno license areas in 2009.
    

    About Addax Petroleum

    Addax Petroleum is an international oil and gas exploration and
production company with a strategic focus on West Africa and the Middle East.
Addax Petroleum is one of the largest independent oil producers in West Africa
and has increased its crude oil production from an average of 8.8 Mbbl/d for
1998 to an average of 136.5 Mbbl/d for 2008. Further information about Addax
Petroleum is available at www.addaxpetroleum.com or at www.sedar.com.

    Reader Advisory Regarding Forward-Looking Information

    Certain statements contained in this new release, including statements
related to reserves and resources estimates, business strategy and goals,
drilling plans, development plans and schedules, results of exploration
activities and dates that areas may come on-stream, and statements that
contain words such as "may", "will", "would", "could", "should", "anticipate",
"believe", "intend", "expect", "plan", "estimate", "budget", "outlook",
"propose", "project", and statements relating to matters that are not
historical fact constitute forward-looking information within the meaning of
applicable Canadian securities legislation.
    Forward-looking information is subject to known and unknown risks and
uncertainties attendant with oil and gas operations, and other factors, which
include, but are not limited to: imprecision of reserves and resources
estimates; ultimate recovery of reserves; commodity prices; general economic,
market and business conditions; industry capacity; competitive action by other
companies; refining and market margins; the ability to produce and transport
crude oil and natural gas to markets; weather and climate conditions; results
of exploration and development drilling and other related activities;
fluctuation in interest rates and foreign currency exchange rates; ability of
suppliers to meet commitments; actions by governmental authorities, including
increases in taxes; decisions or approvals of administrative tribunals;
changes in environmental and other regulations; international political
events; and expected rates of return. More specifically, production may be
affected by exploration success, start-up timing and success, facility
reliability, reservoir performance and natural decline rates, water handling
and drilling progress. Capital expenditures may be affected by cost pressures
associated with new capital projects, including labour and material supply,
project management, drilling rig rates and availability and seismic costs.

    
    In this news release the Corporation has made assumptions with respect to
the following:

    -   prices for oil and natural gas;
    -   oil and gas reserve and resource quantities and the discounted
        present value of future net cash flows from these reserves and the
        ultimate recoverability of reserves;
    -   timing and amount of future production, forecasts of capital
        expenditures and the sources of financing thereof;
    -   the amount, nature, timing and effects of capital expenditures;
    -   plans for drilling wells and the timing and location thereof;
    -   expectations regarding the negotiation and performance of contractual
        rights;
    -   operating and other costs;
    -   business strategies and plans of management;
    -   anticipated benefits and enhanced shareholder value resulting from
        prospect development and acquisitions; and
    -   treatment under the fiscal terms of Production Sharing Contracts and
        governmental regulatory regimes.
    

    The Corporation's actual results could differ materially from those
anticipated in these forward-looking statements if the assumptions underlying
them prove incorrect, or if one or more of the uncertainties or risks
described above materializes. Risk factors are discussed in greater detail in
filings made by Addax Petroleum with the Canadian provincial securities
commissions.

    Readers are strongly cautioned that the above list of factors affecting
forward-looking information is not exhaustive. Further, forward-looking
statements are made as at the date they are given and, except as required by
applicable law, Addax Petroleum does not intend, and does not assume any
obligation, to update any forward-looking statements, whether as a result of
new information or otherwise. The forward-looking statements contained in this
new release are expressly qualified by this advisory.

    Reader Advisory regarding Reserves and Resources

    All estimates of reserves and resources are as at December 31, 2008, as
set out in Addax Petroleum's Material Change Report dated February 4, 2009
(MCR), which can be found at www.sedar.com or www.addaxpetroleum.com.

    Possible Reserves: Possible reserves are those additional reserves that
are less certain to be recovered than probable reserves. There is a 10%
probability that the quantities actually recovered will equal or exceed the
sum of proved plus probable plus possible reserves.

    Contingent Gas Resources: Contingent gas resources are those quantities
of petroleum estimated, as of a given date, to be potentially recoverable from
known accumulations using established technology or under development, but
which are not currently considered to be commercially recoverable due to one
or more contingencies. All of the contingent gas resources are located in
fields in which wells have been drilled through the gas portion of the
reservoirs to help define the gas pay thickness, reservoir quality, and areal
extent. There are no gas sales from the properties since no gas market
connection is available, nor does Addax Petroleum currently own the gas
rights. There is no certainty that it will be commercially viable to produce
any portion of the resources.

    Prospective Resources: Prospective resources are those quantities of
petroleum estimated, as of a given date, to be potentially recoverable from
undiscovered accumulations by application of future development projects. The
prospective oil resources indicate exploration opportunities and development
potential in the event a commercial discovery is made and should not be
construed as reserves or contingent resources. There is no certainty that any
portion of the resources will be discovered. If discovered, there is no
certainty that it will be commercially viable to produce any portion of the
resources.
    All resources quantities disclosed are based on "best estimate". Further
information on high and low estimates for contingent resources and prospective
resources can be found in Addax Petroleum's MCR.





For further information:

For further information: Mr. Craig Kelly, Investor Relations, Tel.: +41
(0) 22 702 95 68, craig.kelly@addaxpetroleum.com; Mr. Chad O'Hare, Investor
Relations, Tel.: +41 (0) 22 702 94 10, chad.o'hare@addaxpetroleum.com; Ms.
Marie-Gabrielle Cajoly, Press Relations, Tel.: +41 (0) 22 702 94 44,
marie-gabrielle.cajoly@addaxpetroleum.com; Mr. Nick Cowling, Press Relations,
Tel.: (416) 934-8011, nick.cowling@cossette.com; Mr. James Henderson, Press
Relations, Tel.: +44 (0) 20 7743 6673, james.henderson@pelhampr.com; Mr. Mark
Antelme, Press Relations, Tel.: +44 (0) 20 3178 6242,
mark.antelme@pelhampr.com

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