Other structures in PPL 378 and in PPL 405 were also appraised for two, mutually exclusive, alternative cases: an oil case (assuming no gas) and a gas case (assuming no oil). The gross prospective resource of oil (P50 Best Estimate) for all structures was assessed at 1,692 MMbbl. The gross prospective gas resource (P50 Best Estimate) for all structures was 3,347 Bcf (3.347 Tcf), as follows:

 
                                GROSS PROSPECTIVE RESOURCES             NET ATTRIBUTABLE PROSPECTIVE 
                                            - OIL                          RESOURCES TO UMC ENERGY 
                                    All values in MMbbls* 
                               Low         Best         High           Low         Best          High         Chance 
                            Estimate     Estimate     Estimate      Estimate     Estimate      Estimate         of 
                               P90         P50           P10           P90         P50           P10          Success 
  LICENCE        LEAD                                                                                           (%) 
                          -----------  ----------  -------------  -----------  ----------  -------------- 
   PPL378        Poro 
    West       Prospect        219         511          1141           66          153           342            14 
            ------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
   PPL378        Lead 
    East           A           19           49           122            6           15            37             5 
            ------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Lead 
             A'                35           96           252           11           29            76             3 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Lead 
             B                 75          240           769           23           72           231             6 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
          Wasuma 
          Prospect             16           35           74             5           10            22            48 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Lead 
             C                 100         372           812           30          112           244             4 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Warra 
            Deep 
            Lead               60          221           481           18           66           144             8 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
                 Lead 
   PPL405          D           48          168           361           14           50           108             4 
            ------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
      P50 Total Oil                       1,692                                    508 
                          -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
 

*Note: MMbbls = million barrels of recoverable oil; assumes all oil with no gas fill in mapped closure

 
                                GROSS PROSPECTIVE RESOURCES             NET ATTRIBUTABLE PROSPECTIVE 
                                            - GAS                          RESOURCES TO UMC ENERGY 
                                     All values in Bcf* 
                               Low         Best         High           Low         Best          High         Chance 
                            Estimate     Estimate     Estimate      Estimate     Estimate      Estimate         of 
                               P90         P50           P10           P90         P50           P10          Success 
  LICENCE        LEAD                                                                                           (%) 
                          -----------  ----------  -------------  -----------  ----------  -------------- 
   PPL378        Poro 
    West       Prospect        555         1336         3011           167         401           903            14 
            ------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
   PPL378        Lead 
    East           A           28           69           163            8           21            49             5 
            ------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Lead 
             A'                64          168           218           19           50            65             3 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Lead 
             B                 109         345          1098           33          104           329             6 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
          Wasuma 
          Prospect             19           36           64             6           11            19            48 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Lead 
             C                 176         657          1464           53          197           439             4 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
           Warra 
            Deep 
            Lead               108         393           449           32          118           135             8 
 -----------------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
                 Lead 
   PPL405          D           98          343           734           30          103           220             4 
            ------------  -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
      P50 Total Gas                       3,347                                   1,005 
                          -----------  ----------  -------------  -----------  ----------  --------------  ----------- 
 

*Note: Bcf = billion standard cubic feet of recoverable gas; assumes all gas with no oil fill in mapped closure

 
                              GROSS PROSPECTIVE RESOURCES              NET ATTRIBUTABLE PROSPECTIVE 
                                         - OIL                            RESOURCES TO UMC ENERGY 
                                 All values in MMbbls* 
                            Low         Best          High           Low         Best           High          Chance 
                         Estimate     Estimate      Estimate      Estimate     Estimate       Estimate      of Success 
   LICENCE      LEAD        P90          P50           P10           P90          P50           P10            (%) 
                       -----------  -----------  -------------  -----------  -----------  -------------- 
          Lead 
            A               450         1284          2909           135          385           873             2 
 --------------------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
          Lead 
          B/B1              787         2089          4468           236          627           1340           2.2 
 --------------------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
          Lead 
          C/C1              47           135           310           14           41             93            0.6 
 --------------------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
                Lead 
   PPL374         D         338         1078          2658           101          323           797            2.8 
             --------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
          Lead 
            E               70           208           480           21           62            144            1.5 
 --------------------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
          Lead 
            F               127          361           810           38           108           243            1.4 
 --------------------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
          Lead 
            G               52           133           289           16           40             87            2.1 
 --------------------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
                Lead 
   PPL375         H         59           200           473           18           60            142             5 
             --------  -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
    Grand P50 Total 
          Oil                           5,488                                    1,646 
                       -----------  -----------  -------------  -----------  -----------  --------------  ------------ 
 

Eight untested structures were identified in offshore licences PPL 374 and PPL 375. Alternative oil and gas cases gave gross prospective resources for all structures of 5,488 MMbbl oil or 6,673 Bcf (6.673 Tcf) gas, as follows.

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