HOC Holly Corp.

                              was shut Feb 1 for turnaround. 
 
                              Upgrade project to build 2012 
                              a new diesel hydrotreater 
                              unit moved from 2010 to 
                              4Q 2012. 
 
Valero   Port Arthur  325.0   44-days of work starts at         late Feb. 
         Tx                   FCCU, co. said Jan. 10 
 
                              77,000-b/d FCCU at reduced        n/a 
                              rates since mid-Dec for 
                              economic reasons. 
 
                              45,000 b/d HCU to undergo         Spring 
                              38 days of work in March. 
 
Valero   Sunray, TX   170.0   55,000-b/d FCCU at reduced        n/a 
                              rates since mid-Dec for 
                              economic reasons. 
 
 
MIDWEST 
 
BP       Toledo, OH   155.0   $400 million upgrade              2012 
                              to start 2010. 
 
Valero   Memphis, TN  195.0   105K-B/D Crude unit, FCCU         April 
                              and alkylation unit will 
                              shut in March for 45 days 
                              planned maintenance, the co. 
                              said on Jan 27. 
 
Frontier El Dorado    135.0   Production expected to 
         KS                   fall by 700 b/d to 120,300 b/d 
                              for February, Co. reported Feb. 8. 
 
Marathon Catlettsburg 226.0   Turnaround maintenance at un-     n/a 
         KY                   specified units starts March 
                              10. No restart estimate. 
 
 
ROCKY MOUNTAIN 
 
Western  Bloomfield,   16.8   Co. announced plans Nov. 9 
         NM                   to idle plant and shift 
                              production to Gallup plant. 
 
Suncor   Commerce      93.0   No. 2 Crude unit will shut for    Mar 3 
         City, CO             planned maintenance on Feb 28; 
                              restart on Mar 3. 
                              No. 1 Crude unit will shut for    Mar 22 
                              planned maintenance on Mar 6; 
                              restart Mar 22. 
                              Cryo Unit will shut for planned   Apr 4 
                              maintnenance Mar 20; restart 
                              April 4. 
                              Planned work at reformer unit     Fall 
                              deferred to Fall 2010 from Feb    2010 
                              28 start date. 
 
Tesoro   Salt Lake     58.0   Major turnaround work will