ANTERO RESOURCES CORP

Ticker: AR CUSIP: 03674X106 Class: Com

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

Note: Option positions (PUT/CALL) are excluded.

Q4 2014

Shares 5,730 Value ($000) $233 Avg Close $47.94 Range $37.85 - $56.81

Q3 2014

Shares 6,000 Value ($000) $329 Avg Close $58.10 Range $53.42 - $66.10

Q2 2014

Shares 6,000 Value ($000) $394 Avg Close $63.50 Range $56.28 - $67.92

Q1 2014

Shares 1,960 Value ($000) $123 Avg Close $59.21 Range $53.61 - $68.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	5,730	$233	$47.94	$37.85 - $56.81
Q3 2014	6,000	$329	$58.10	$53.42 - $66.10
Q2 2014	6,000	$394	$63.50	$56.28 - $67.92
Q1 2014	1,960	$123	$59.21	$53.61 - $68.43