Exploratory Well Costs

EOG's net changes in capitalized exploratory well costs for the three-month period ended March 31, 2016, are presented below (in thousands):



	Three Months Ended March 31, 2016
Balance at January 1	$	8,955
Additions Pending the Determination of Proved Reserves	725
Reclassifications to Proved Properties	—
Costs Charged to Expense	—
Balance at March 31	$	9,680

At March 31, 2016, all capitalized exploratory well costs had been capitalized for periods of less than one year.