Bexar County, TX — Oil & Gas Drilling Permits

Jm Calk Operating, LLC

ERD UNIT · W-1 · 42-029-0913506

Jm Calk Operating, LLC

ERD UNIT · W-1 · 42-029-0913507

Jm Calk Operating, LLC

ERD UNIT · W-1 · 42-029-0913484

Jm Calk Operating, LLC

ERD UNIT · W-1 · 42-029-0913198

Jm Calk Operating, LLC

ERD UNIT · W-1 · 42-029-0912105

Jm Calk Operating, LLC

ERD UNIT · W-1 · 42-029-0912106

Jm Calk Operating, LLC

ERD UNIT · W-1 · 42-029-0912107

Alamo Environmental, Inc.

CASSIN · W-1 · 42-029-0907616

Nustar Logistics, L.P.

NUSTAR1 · W-1 · 42-029-0890265

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889166

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889167

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889168

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889169

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889170

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889171

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889172

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0889051

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0888975

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0888976

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0888977

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0888978

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0888821

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0888822

Enterprise Products Operatingllc

SAWL-10 · W-1 · 42-029-0885674

1859 Operating LLC

CACY-SAUER UNIT · W-1 · 42-029-0882536

1859 Operating LLC

CACY-SAUER A · W-1 · 42-029-0882213

1859 Operating LLC

CACY-SAUER · W-1 · 42-029-0881874

1859 Operating LLC

CACY-SAUER A · W-1 · 42-029-0881882

1859 Operating LLC

CACY-SAUER A · W-1 · 42-029-0881879

1859 Operating LLC

CACY-SAUER · W-1 · 42-029-0881177