| On December 4, 2017, an unknown volume of an unknown hydrocarbon fluid was released by a contractor onto County Road 43, Highway 52, and Interstate 76 in Weld County, Colorado, during transport and appears to have originated at the Robin 9-15HZ pad. Clean-up activities have been initiated and the cause of the release is under investigation. Additional information will be provided in a forthcoming Supplemental Form 19 Spill/Release Report. A topographic Site Location Map showing the geographic setting of the release is provided as Figure 1. |