PARKER DRILLING CO

CUSIP: 701081101 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2018
Shares 8,903,468 Value ($000) $3,383 Avg Close — Range —
Q1 2018
Shares 9,089,403 Value ($000) $5,772 Avg Close — Range —
Q4 2017
Shares 9,211,356 Value ($000) $9,211 Avg Close — Range —
Q3 2017
Shares 9,426,023 Value ($000) $10,369 Avg Close — Range —
Q2 2017
Shares 10,323,939 Value ($000) $13,937 Avg Close — Range —
Q1 2017
Shares 10,488,051 Value ($000) $18,354 Avg Close — Range —
Q4 2016
Shares 10,414,153 Value ($000) $27,077 Avg Close — Range —
Q3 2016
Shares 10,569,562 Value ($000) $22,936 Avg Close — Range —
Q2 2016
Shares 10,383,000 Value ($000) $23,777 Avg Close — Range —
Q1 2016
Shares 10,119,400 Value ($000) $21,453 Avg Close — Range —
Q4 2015
Shares 10,084,875 Value ($000) $18,354 Avg Close — Range —
Q3 2015
Shares 10,357,671 Value ($000) $27,241 Avg Close — Range —
Q2 2015
Shares 10,349,030 Value ($000) $34,359 Avg Close — Range —
Q1 2015
Shares 9,934,333 Value ($000) $34,670 Avg Close — Range —
Q4 2014
Shares 10,013,377 Value ($000) $30,741 Avg Close — Range —
Q3 2014
Shares 10,225,623 Value ($000) $50,515 Avg Close — Range —
Q2 2014
Shares 10,269,411 Value ($000) $66,957 Avg Close — Range —
Q1 2014
Shares 10,067,583 Value ($000) $71,379 Avg Close — Range —
Q4 2013
Shares 10,094,946 Value ($000) $82,071 Avg Close — Range —
Q3 2013
Shares 9,751,928 Value ($000) $55,586 Avg Close — Range —
Q2 2013
Shares 9,557,758 Value ($000) $47,598 Avg Close — Range —