PARKER DRILLING CO

CUSIP: 701081101 Class: COMMON STOCK

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q3 2015
Shares 110,700 Value ($000) $292 Avg Close — Range —
Q2 2015
Shares 110,752 Value ($000) $368 Avg Close — Range —
Q1 2015
Shares 110,752 Value ($000) $387 Avg Close — Range —
Q4 2014
Shares 183,652 Value ($000) $564 Avg Close — Range —
Q3 2014
Shares 183,652 Value ($000) $908 Avg Close — Range —
Q2 2014
Shares 104,637 Value ($000) $683 Avg Close — Range —
Q1 2014
Shares 104,637 Value ($000) $742 Avg Close — Range —
Q4 2013
Shares 109,035 Value ($000) $887 Avg Close — Range —
Q3 2013
Shares 123,635 Value ($000) $705 Avg Close — Range —
Q2 2013
Shares 127,980 Value ($000) $638 Avg Close — Range —