PARKER DRILLING CO

CUSIP: 701081101 Class: COMMON STOCK

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q2 2017
Shares 23,237 Value ($000) $31 Avg Close — Range —
Q4 2016
Shares 13,834 Value ($000) $35 Avg Close — Range —
Q3 2016
Shares 484 Value ($000) $1 Avg Close — Range —
Q2 2016
Shares 432 Value ($000) $0 Avg Close — Range —
Q1 2016
Shares 77 Value ($000) $0 Avg Close — Range —
Q4 2015
Shares 72 Value ($000) $0 Avg Close — Range —
Q3 2015
Shares 366 Value ($000) $0 Avg Close — Range —
Q2 2015
Shares 300 Value ($000) $0 Avg Close — Range —