PATTERSON UTI ENERGY

CUSIP: 70348110 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2016
Shares 53,100 Value ($000) $1,188 Avg Close — Range —
Q2 2016
Shares 30,862 Value ($000) $658 Avg Close — Range —
Q2 2014
Shares 268,728 Value ($000) $9,389 Avg Close — Range —
Q1 2014
Shares 126,047 Value ($000) $3,993 Avg Close — Range —
Q2 2013
Shares 28,447 Value ($000) $551 Avg Close — Range —