INFRAREIT INC

CUSIP: 45685L100 Class: COM

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

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

Q4 2017
Shares 528 Value ($000) $10 Avg Close — Range —
Q3 2017
Shares 528 Value ($000) $12 Avg Close — Range —
Q2 2016
Shares 620 Value ($000) $11 Avg Close — Range —
Q1 2016
Shares 8,285 Value ($000) $141 Avg Close — Range —
Q4 2015
Shares 17,436 Value ($000) $323 Avg Close — Range —
Q3 2015
Shares 27,649 Value ($000) $655 Avg Close — Range —
Q2 2015
Shares 20,906 Value ($000) $593 Avg Close — Range —
Q1 2015
Shares 2,550 Value ($000) $73 Avg Close — Range —