HUTCHINSON TECHNOLOGY INC

CUSIP: 448407106 Class: CMN

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

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

Q3 2016
Shares 162,732 Value ($000) $648 Avg Close — Range —
Q4 2015
Shares 23,075 Value ($000) $83 Avg Close — Range —
Q3 2015
Shares 13,975 Value ($000) $22 Avg Close — Range —
Q2 2015
Shares 2,201 Value ($000) $4 Avg Close — Range —
Q1 2015
Shares 2,201 Value ($000) $6 Avg Close — Range —
Q3 2013
Shares 2,000 Value ($000) $7 Avg Close — Range —