US Refinery Status: Planned Work Done At Conoco -2-

            TX                  annual planned maintenance 
                                and catalyst change on Feb. 4. 
 
Total       Port Arthur  232.0  Key process units shut due       n/a 
                                to poor economic conditions 
                                on Mar. 24 
 
Valero      Corpus       340.0  20,000-b/d FCCU in East          n/a 
                                Plant shut; West Plant 
                                50,000-b/d FCCU at reduced 
                                rates since mid-Dec. for 
                                economic reasons. 
 
Valero      McKee, TX    170.0  Smaller of two crude units       May/ 
                                at 60,000-b/d to shut in         June 
                                May for 14 days; 55,000-b/d 
                                to shut in May for 21 days. 
 
Valero      Norco, LA    250.0  Upgrade project to build         2012 
                                a new diesel hydrotreater 
                                unit moved from 2010 to 
                                4th-quarter 2012, the Co. 
                                said on Jan. 27. 
 
Valero      Port Arthur  325.0  77,000-b/d FCCU at reduced       n/a 
            TX                  rates since mid-Dec. for 
                                economic reasons. 
 
Valero      Sunray, TX   170.0  55,000-b/d FCCU at reduced       n/a 
                                rates since mid-Dec. for 
                                economic reasons. 
 
Valero      Three Rivers  95.0  24,000-b/d FCCU at reduced       n/a 
            TX                  rates since mid-Dec. for 
                                economic reasons. 
 
 
MID-CONTINENT 
 
BP          Whiting,    410.0   Planned maintenane continues     End 
            IN                  on Mar. 16 at the smaller of     Mar 
                                3 crude units. The work began 
                                in early March and is expected   Early 
                                to conclude by the end of the    Apr 
                                month or by early April. 
 
Conoco      Billings,    61.0   On Mar. 5 the Co. delayed for    Jan. 
            MT                  one year an expansion project    2010 
                                which will increase capacity 
                                to 71,000 bbls. Construction of 
                                a new crude is now scheduled 
                                to begin in January 2010. 
 
                                Co. said April 14 that planed 
                                work was ongoing at the refinery. 
                                Co. did not give more specifics. 
 
Frontier    El Dorado    130.0  Hydrotreater in restart and      Mar. 
            KS                  expected to produce product by   28-29 
                                Mar. 28-29, the Co. said. 
                                A coker turnaround and expan-    Mid- 
                                sion project was delayed until   Aug. 
                                Mid-July, and subsequently 
                                delayed until August. 
 
Frontier    Cheyenne      52.0  12,000-b/d FCCU at planned       Mar 
            WY                  rates on Mar. 27 following two   27 
                                weeks of planned maintenance. 
                                The refinery is operating at re- 
                                duced rates for economic reasons. 
 
Marathon    Robinson     204.0  Crude unit, two coker units      n/a 
                                shut Mar. 9 for planned main- 
                                tenance; no restart timing 
                                available. 
Sunoco      Toledo, OH   160.0  FCCU turnaround lasting 6 weeks  4Q08 
                                planned for 4q 2008 or 1Q 2009 
 
Sunoco      Tulsa, Okla.  85.0  Turnaround maintenance will      n/a 
                                take place in Feb., the Co. 
                                said on Feb. 5. 
                                Refinery could close by end 
                                of 2009 if buyer not found. 
 
Valero      Memphis, TN  195.0  FCCU upgrade originally slated   2012 
                                for completion in 2009 has been 
                                shifted to 2012, the Co. said 
                                on Jan. 27. 
 
 
ROCKY MOUNTAINS 
 
Suncor      Commerce City 90.0  32,000-b/d crude unit,           n/a 
            CO                  10,500-b/d reformer will 
                                shut in March for planned 
                                maintenance, the Co. said 
                                on Jan. 26. 
 
WEST COAST 
 
Alon        Paramount     55.0  Hydrocracker project post- 
            CA                  poned indefinitely, the Co. 
                                said on Feb. 4 
 
Tesoro      Wilmington   105.0  Reformer and Coker units, 
            CA                  which underwent work in March   April 
                                are back at normal rates. 
 
 
Valero      Benicia     144.0   Hydrocracker in restart April   April 2 
            CA                  2 after two-week turnaround. 
                                Back to planned rates, co. said  April 6