PARKER DRILLING CO

CUSIP: 701081101 Class: COMMON STOCK

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017
Shares 20,328 Value ($000) $20 Avg Close — Range —
Q1 2014
Shares 708 Value ($000) $5 Avg Close — Range —
Q4 2013
Shares 443 Value ($000) $4 Avg Close — Range —