For the three months ended March 31, 2013, Donnybrook’s three Bigstone wells
29 days out of the 90 day period due
in part to third party facility and pipeline
maintenance which required the wells to be shut
Donnybrook has a 50% working interest drilling location surveyed on the west side of its acreage block for an
extended reach horizontal well. Timing to drill this location will be predicated on further evaluation of the
Company’s current pro
duction at Bigstone and results from offsetting wells being drilled by industry competitors.