CONTRACT PURCHASE ORDER In accordance with the contract between the Contractor and the Texas Comptroller of Public Accounts

         Agency to Invoice    
      TRAVIS COUNTY                        C2270     Purchase Order Number  3 0 3 6 0 7
      PURCHASING DEPT.                     100                 Requisition  C2270-0-227
      P O BOX 1748
      AUSTIN             TX 78767                                           03/26/10         1


         Destination if Different  
      TRAVIS COUNTY                        C2270
      TNR EAST SERVICE CENTER              100
      6011 BLUE BLUFF ROAD
      AUSTIN TX 78724

THE STATE OF TEXAS IS EXEMPT FROM ALL FEDERAL EXCISE TAXES

STATE AND CITY SALES TAX EXEMPTION CERTIFICATE:
The State of Texas claims an exemption from
taxes under Texas Tax Code § 151.309(4),
for purchase of tangible personal property
described in this numbered order, purchased
from contractor and/or shipper listed here,
as this property is being secured for the
exclusive use of the State of Texas.

37207

         Contractor
 VID#: 1-75-122-1863-1  COMP
 GRIFFIN OIL COMPANY
 4407 IDALOU HWY
 LUBBOCK TX 79403

                      **** ENTERED BY TRAVIS COUNTY    ****
              CONTACT AT AGENCY: VERA, PHONE: 512-854-9383
              VENDOR CONTACT: JOE PHILLIPS, PHONE: 806 763-4163
              VENDOR MUST INDICATE THE FOLLOWING PURCHASE ORDER
              NUMBER ON INVOICES: 442261

                   Description                                  Quantity  Unit      Unit    Extended
                                                                                   Price      Amount

      405-01  MOTOR OIL, MINIMUM 25 PERCENT RE-REFINED CONTENT,
              SAE 15W40 ***ZONE 1*** SULFATED ASH
              LESS THAN 1.5 PERCENT, FOR DIESEL OR GASOLINE
              POWERED ENGINES, CERTIFIES API SERVICE CATEGORY
              SJ OR SL, AND CH-4 OR CI4, AND CJ-4. TBN SHALL BE
              AT LEAST 7. REMANUFACTURED-FIRST CHOICE
              **** CJ-4 IS FOR ALL ZONES ****

     42069-5  REFINED BLENDED OIL. 15W40 MOTOR OIL                     6  DRUM    443.91     2663.46
              CJ-4 FOR DIESEL ENGINES
              55 GALLON DRUM, NATURE'S CHOICE

      405-01  LUBRICANT, ALL PURPOSE GEAR, GL5, SAE GRADE
              80W90:  *****ZONE 1***** THIS LUBRICANT SHALL
              COMPLY WITH THE REQUIREMENTS OF MILITARY
              SPECIFICATION MIL-L-2105D, LUBRICATING OIL,
              GEAR, AND MULTIPURPOSE.  AT A MINIMUM THE
              LUBRICANT SHALL COMPLY TO THE FOLLOWING
              REQUIREMENTS:  THE LUBRIANT SHALL BE
              PHOSPHOROUS-SULFUR TYPE.  LUBRICANTS CONTAINING
              CHLORINE, LEAD OR ZINC WILL NOT BE ACCEPTED.
              POURPOINT SHALL BE -30 DEGREES CELSIUS OR LESS.
              VISCOSITY INDEX SHALL NOT BE LESS THAN 95

     80055-7  55 GAL, NATURE'S CHOICE, #01411-55, *                    2  DRUM    544.72     1089.44
              REMANUFACTURED FIRST CHOICE *

              DELIVERY IN  14 DAYS.

                                                                   TOTAL THIS ORDER        $3,752.90