HYPERDYNAMICS CORP

Ticker: HDYNQ CUSIP: 448954206 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2014

Shares 9,771 Value ($000) $8 Avg Close $1.38 Range $0.76 - $1.91

Q3 2014

Shares 37,345 Value ($000) $67 Avg Close $2.58 Range $1.67 - $3.29

Q2 2014

Shares 56,545 Value ($000) $184 Avg Close $2.48 Range $1.27 - $4.79

Q4 2013

Shares 3,302 Value ($000) $13 Avg Close $3.49 Range $3.01 - $4.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	9,771	$8	$1.38	$0.76 - $1.91
Q3 2014	37,345	$67	$2.58	$1.67 - $3.29
Q2 2014	56,545	$184	$2.48	$1.27 - $4.79
Q4 2013	3,302	$13	$3.49	$3.01 - $4.75