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| Owner | Owner City | Lease | Operator | NRI | Type | County | Year |
|---|---|---|---|---|---|---|---|
| SMITH PAUL SLOAN | Modesto, CA | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| SMITH ARMOUR CLAY JR | Modesto, CA | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| SLOAN SAMUEL WOOD | San Saba, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| SLOAN PETER CLAUDE | San Saba, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| SLOAN BRET ALLEN | Saint Cloud, WI | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| SLOAN BERNICE B | San Saba, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| PUMPHREY JOHN BOYCE IV | Fort Worth, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| PUMPHREY JEFFREY LANE | Midway, KY | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| NUNNALLY REBECCA BROWN | Marble Falls, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| NAUMANN H JACK JR | Santa Fe, NM | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| MAHAN JOSEPHINE SLOAN | San Saba, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| GILLEY VICKI | Aspermont, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FAUGHT STEPHANIE LEE SLOAN | Bandera, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ELVING STACY SMITH | Oakdale, CA | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DENISON JOHN WAYNE | Aspermont, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DENISON IDA B TEST TRUST B | Hamlin, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DENISON IDA B TEST TRUST A | Hamlin, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BROWN SHARON KAY | Marble Falls, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BROWN HENRY DALE | Marble Falls, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BROWN DON SLOAN | Marble Falls, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BROTHERTON PEGGY ANN PUMPHREY | Fort Worth, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ABERNATHY GEORGE | Aspermont, TX | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| AARONSON SARAH SMITH | Modesto, CA | OSO BLANCO #1 | NAUMANN OIL & GAS | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| CROWNROCK MINERALS LP | Midland, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BELLATOR PARTNERS LLC | Midland, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BEHPOUR STACI GLEASON | Lubbock, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BARNHILL OWEN M | Oklahoma City, OK | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ATROPOS EXPLORATION CO | Dallas, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ATROPOS EXPLORATION CO | Dallas, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ASIS HOLDINGS LLC | Philadelphia, PA | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| AMEREDEV OPERATING LLC | Austin, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ACE INDEPENDENT LLC | Addison, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BENFIELD SUSAN MCMAHON BARKER | Dripping Springs, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BOUNTIFULL LP | Rockwall, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BOUNTIFULL LP | Rockwall, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BRADFORD TRUST DTD 06242017 | Las Vegas, NV | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BROWNLEE BETH | Houston, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BURNETT WARREN | , | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| BUTTRAM ENERGIES INC | Heath, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| CMC/COMANCHE CO LP | Abilene, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| CRAIGHEAD T C & COMPANY | Ardmore, OK | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| CROCKER PATRICIA M | Georgetown, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DEVLIN JOAN STARR | Eagle Point, OR | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DOH OIL COMPANY | Sweetwater, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DOH OIL COMPANY | Sweetwater, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DOORNBOS CHARLES F REVOC TRUST | Bartlesville, OK | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| DUNCAN JOHN TRUSTEE | Houston, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| E G ENERGY LLC | Leawood, KS | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| EILAND WILLIAM C FAMILY PTNSHP | Midland, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| ELK RANGE ROYALTIES II LP | Dallas, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| EOG RESOURCES INC | Houston, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FAMILY CREDIT SHELTER TRST P B | Fort Worth, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| FERRER CARMEN | Midland, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| GAFFNEY ROYALTY TRUST | Montgomery, OH | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| GGM EXPLORATION INC | Fort Worth, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| GLEASON COY MARTIN | Lubbock, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| GRAY ANN WELCH LIFE INSUR TR | Kingsland, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HAMPTON FRANCES MOLUMPHY | Farmington, NM | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HILL CLEO R 8633101 | Tulsa, OK | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |
| HILL MARGARET H-HEATHER HILL | Austin, TX | OSO | AMEREDEV OPERATING | XXXXXXXX | XXXXXXXX | XXXXXXXX | XXXXXXXX |