Crown out floor out system for well service rig

PNC BANK, NATIONAL ASSOCIATION

from AES ACQUISITION, L.P., BROOKS WELL SERVICING BENEFICIAL, L.P., BROOKS WELL SERVICING, INC., BROOKS WELL SERVICING, LLC, DAWSON PRODUCTION ACQUISITION CORP., DAWSON PRODUCTION MANAGEMENT, INC., DAWSON PRODUCTION PARTNERS, L.P., DAWSON PRODUCTION TAYLOR, INC., KALKASKA OILFIELD SERVICES, INC., KEY ENERGY DRILLING BENEFICIAL, L.P., KEY ENERGY DRILLING, INC., KEY ENERGY SERVICES, INC., KEY ENERGY SERVICES-CALIFORNIA, INC., KEY ENERGY SERVICES-SOUTH TEXAS, INC., KEY ENERY DRILLING, LLC, KEY FOUR CORNERS, INC., KEY ROCKY MOUNTAIN, INC., MISR KEY ENERGY SERVICES, LLC, Q ENERGY SERVICES, L.L.C., Q OIL & GAS SERVICES, LLC, Q PRODUCTION SERVICES, L.P., Q SERVICES, INC., Q.V. SERVICES BENEFICIAL, L.P., Q.V. SERVICES OF TEXAS, L.P., Q.V. SERVICES, INC., Q.V. SERVICES, LLC, QUALITY OIL FIELD SERVICES, L.P., QUALITY TUBULAR SERVICES, L.P., UNITRAK SERVICES HOLDING, INC., UNITRAK SERVICES, L.P., UNITRAK SERVICES, LLC, WATSON OILFIELD SERVICE & SUPPLY, INC., WELL-CO OIL SERVICE, INC., WELLTECH EASTERN, INC., WELLTECH MID-CONTINENT BENEFICIAL, L.P., WELLTECH MID-CONTINENT, INC., WELLTECH MID-CONTINENT, LLC, YALE E. KEY BENEFICIAL, L.P., YALE E. KEY, INC., YALE E. KEY, LLC

SECURITY INTEREST Recorded 2003-11-12