HYPERDYNAMICS CORP

CUSIP: 448954107 Class: COM

TETRAD CORP's Holding History (CIK: 0000883597)

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

Q1 2013
Shares 100,000 Value ($000) $61 Avg Close — Range —
Q4 2012
Shares 100,000 Value ($000) $60 Avg Close — Range —
Q3 2012
Shares 100,000 Value ($000) $73 Avg Close — Range —
Q2 2012
Shares 100,000 Value ($000) $84 Avg Close — Range —
Q1 2012
Shares 66,000 Value ($000) $85 Avg Close — Range —
Q4 2011
Shares 62,000 Value ($000) $152 Avg Close — Range —
Q3 2011
Shares 62,000 Value ($000) $229 Avg Close — Range —
Q2 2011
Shares 45,000 Value ($000) $194 Avg Close — Range —
Q1 2011
Shares 20,000 Value ($000) $92 Avg Close — Range —