PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q3 2017
Shares 9,690 Value ($000) $203 Avg Close $18.42 Range $14.83 - $21.74
Q2 2016
Shares 409,503 Value ($000) $8,731 Avg Close $18.84 Range $16.06 - $22.12
Q1 2016
Shares 400,000 Value ($000) $7,048 Avg Close $14.91 Range $10.94 - $18.75
Q4 2015
Shares 403,330 Value ($000) $6,082 Avg Close $15.38 Range $12.82 - $17.45
Q3 2015
Shares 403,330 Value ($000) $5,300 Avg Close $15.85 Range $12.97 - $18.80
Q2 2015
Shares 422,613 Value ($000) $7,951 Avg Close $20.74 Range $18.30 - $23.11
Q1 2015
Shares 276,974 Value ($000) $5,200 Avg Close $17.15 Range $13.30 - $19.70
Q3 2014
Shares 9,330 Value ($000) $304 Avg Close $33.96 Range $31.12 - $38.43
Q2 2014
Shares 10,927 Value ($000) $382 Avg Close $32.83 Range $30.24 - $35.42
Q1 2014
Shares 24,687 Value ($000) $782 Avg Close $27.81 Range $24.37 - $31.95
Q4 2013
Shares 24,687 Value ($000) $625 Avg Close $23.93 Range $21.29 - $26.09
Q3 2013
Shares 19,928 Value ($000) $426 Avg Close $20.54 Range $18.83 - $22.41
Q2 2013
Shares 25,821 Value ($000) $500 Avg Close $21.83 Range $18.96 - $25.12