Preliminary Resource Assessment on CKU

Assumptions:

Critical P+S resource base: 150,000,000 BO

Resource base accessed: 60%

Qualified P+S resource threshold: 250,000,000 BO

P+S production threshold: 8 MBO/acre

($20/BO, $1/mcf CO2) 5 MMBO/section

Estimated qualified resources on CKU (ɴMBO/acre)

Total 60%

Lansing-Kansas City 75-150 45-90 MMBO

Arbuckle 300-450 180-270

375-600 225-360* MMBO

*Range is function of methodology. Needs refinement.

Kansas Geological Survey