Cost Analysis and Reporting Enhancement (CARE)                                                                                  CARE - REV (6)
                                                                                                      Western Canadian Select (WCS)Sales
                                                                                                                                   Filed Quarterly
                        Operator:                                                                                                                                 Sales Month:
                        Western Canadian Select (WCS) Sales Summary - (Company Basis)
                                                                              WCS Sales            WCS Sales            WCS Sales            Handling Cost -          Handling Cost -           WCS Sales Value                WCS Sales Price
                                          WCS Sales                            Volumes            Value at Sales       Price at Sales     Hardisty Terminal to     Hardisty Terminal to            at Hardisty                    at Hardisty
                                                                                    3                                              3                                                   3                                                       3
                                             Point                                (M )              Point - ($)        Point - ($/M )        Sales Point - ($)      Sales Point - ($/M )          Terminal - ($)               Terminal - ($/M )
                        Total WCS Sales                                           0.0                       $0.00                 $0.00                    $0.00                    $0.00                        $0.00                           $0.00 
                        Weighted Average WCS Price at Hardisty Terminal
                        WCS Component Streams - Sales Allocation - (Company Basis)
                                             WCS                              WCS Sales         WCS Sales Value      WCS Component          WCS Component            Hardisty Terminal          Hardisty Terminal              WCS Receipts at                 WCS Receipts                WCS Receipts                WCS Sales %             Weighted Average
                                          Component                             Volume             at Hardisty            Stream                 Stream               Diluent Volume          Diluent and Handling          Hardisty Terminal Net             Revenue Net of               Revenue Net of            of Total Componet        Component Stream
                                                                                    3                                                                                          3                                                                   3                                                          3                                                   3
                                            Stream                                (m )           Terminal - ($)      Equalization - ($)       Revenue - ($)                 (m )                    Cost - ($)             of Hardisty Diluent - (m )      Hardisty Diluent - ($)     Hardisty Diluent - ($/m )      Stream Sales - (%)              Revenue - ($/m )
                        Total Component Stream                                              0.0                 0.0                   0.0                     0.0                       0.0                         0.0                              0.0                         0.0
                                                                                                                                                                                                                                                                                                                                                            updated April 21, 2011