PARKER DRILLING CO

CUSIP: 701081101 Class: COMMON STOCK

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017
Shares 20,600 Value ($000) $36 Avg Close — Range —
Q2 2013
Shares 12,450 Value ($000) $62 Avg Close — Range —