ARCELORMITTAL SA LUXEMBOURG

CUSIP: 03938L104 Class: COM

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

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

Q1 2017
Shares 13,242 Value ($000) $111 Avg Close — Range —
Q4 2016
Shares 498,203 Value ($000) $3,637 Avg Close — Range —
Q3 2016
Shares 362,300 Value ($000) $2,188 Avg Close — Range —
Q2 2016
Shares 216,774 Value ($000) $1,010 Avg Close — Range —
Q4 2014
Shares 3,542 Value ($000) $39 Avg Close — Range —
Q2 2014
Shares 700 Value ($000) $10 Avg Close — Range —
Q1 2014
Shares 2,400 Value ($000) $39 Avg Close — Range —
Q4 2013
Shares 2,500 Value ($000) $45 Avg Close — Range —
Q3 2013
Shares 20,300 Value ($000) $278 Avg Close — Range —
Q2 2013
Shares 4,400 Value ($000) $49 Avg Close — Range —