### 1 Proposed Listing of Facilities to be Tested by Type of Emissions Source

January 14, 2011

Emissions Source Number of emissions sources to be tested: Fluid catalytic cracking unit 10 Marathon – Robinson, IL Flint Hills – Rosemount, MI Motiva – Norco, LA Citgo – Lake Charles, LA Hovensa – St. Croix, USVI Valero – Port Arthur, TX Chevron – Barbers Point, HI BP – Whiting, IN ExxonMobil – Torrance, CA Sunoco – Philadelphia, PA Thermal catalytic cracking unit 2 ConocoPhillips – Ferndale, WA Wyoming Refining – New Castle, WY Fluid coking unit 2 or 3 1

Valero – Benicia, CA ExxonMobil – Billings, MT PBF Energy – Delaware 1 Delayed coking unit 8 BP – Texas City, TX ConocoPhillips – Westlake, LA BP-Husky – Toledo, OH ExxonMobil – Joliet, IL Western Refining – Yorktown, VA Coffeeville Refining – Coffeeville, KS Chevron – Pascagoula, MS Houston Refining – Houston, TX Catalytic reforming unit 12 Marathon – Catlettsburg, KY Sunoco – Marcus Hook, PA Delek Refining – Tyler, TX Citgo – Corpus Christi, TX WRB Refining – Wood River, IL ExxonMobil – Baton Rouge, LA Tesoro – Anacortes, WA Shell – Deer Park, TX Western Refining – El Paso, TX Houston Refining – Houston, TX Motiva – Convent, LA Frontier – El Dorado, KS

### 2 Emissions Source Number of emissions sources to be tested: Catalytic hydrocracking unit 4 Shell – Martinez, CA Chalmette Refining – Chalmette, LA Chevron – Richmond, CA Murphy Oil, Meraux, LA Hydrogen production unit 6 BP – Ferndale, WA WRB – Borger, TX National Cooperative – McPherson, KS Lion Oil – El Dorado, AR Cenex Harvest States – Laurel, MT Calumet – Shreveport, LA Asphalt blowing unit 6 Nustar Asphalt – Paulsboro, NJ Chevron – Perth Amboy, NJ Valero – Corpus Christi, TX United Refining – Warren, PA Trigeant Limited – Corpus Christi, TX Sinclair Oil (Holly Corp) – Tulsa, OK Sulfur recovery unit 6 ExxonMobil – Baytown, TX Premcor – Port Arthur, TX Shell – Anacortes, WA ConocoPhillips – Sweeny, TX Marathon – Garyville, LA Motiva – Port Arthur, TX

### 3 Emissions Source Number of emissions sources to be tested: Fuel gas system 20 or 21 1

Valero – Benicia, CA Shell – Martinez, CA ExxonMobil – Billings, MT PBF Energy – Delaware 1 ExxonMobil – Baytown, TX Houston Refining – Houston, TX ExxonMobil – Baton Rouge, LA Citgo – Lake Charles, LA Chevron – El Segundo, CA PDV – Lemont, IL ConocoPhillips – Rodeo, CA Hovensa – St. Croix, USVI Sunoco (Holly Corp) – Tulsa, OK Sunoco – Toledo, OH Tesoro – Mandan, ND ConocoPhillips – Ferndale, WA ConocoPhillips – Linden, NJ Sunoco – Marcus Hook, PA Marathon – Catlettsburg, KY Calcasieu Refining – Lake Charles, LA US Oil & Refining – Tacoma, WA Cooling water system 12 Frontier – Cheyenne, WY Murphy Oil – Superior, WI BP – Ferndale, WA Holly Corp. – Woods Cross, UT Valero – Sunray, TX Pasadena Refining – Pasadena, TX United Refining – Warren, PA Wynnewood Refining – Wynnewood, OK Alon USA – Krotz Springs, LA Suncor Energy – Commerce City, CO Alon (Big West) – Bakersfield, CA Western Refining – Gallup, NM Wastewater treatment system 6 Motiva – Convent, LA Flint Hills – Corpus Christi, TX ExxonMobil – Beaumont, TX ConocoPhillips – Belle Chasse, LA Marathon – St. Paul Park, MN Valero – Memphis, TN

Total 94 to 96 1

1 PBF Energy – Delaware refinery is currently not operating. This refinery has a unique emission source/control device configuration for which testing is requested. Howe ver, testing of this unit may not be possible due to the operational status of the refinery.