PARKER DRILLING CO

CUSIP: 701081101 Class: COMMON STOCK

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

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

Q2 2018
Shares 5,840 Value ($000) $2 Avg Close — Range —
Q1 2018
Shares 5,840 Value ($000) $4 Avg Close — Range —
Q4 2017
Shares 5,840 Value ($000) $6 Avg Close — Range —
Q3 2017
Shares 10,840 Value ($000) $12 Avg Close — Range —
Q2 2017
Shares 14,840 Value ($000) $20 Avg Close — Range —
Q3 2016
Shares 240 Value ($000) $1 Avg Close — Range —
Q3 2014
Shares 3,321 Value ($000) $16 Avg Close — Range —
Q2 2014
Shares 5,321 Value ($000) $35 Avg Close — Range —
Q1 2014
Shares 8,321 Value ($000) $59 Avg Close — Range —