HELMERICH & PAYNE INC

Ticker: HP CUSIP: 423452101 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2016

Shares 2,822 Value ($000) $218 Avg Close $71.03 Range $60.39 - $85.78

Q4 2014

Shares 285,683 Value ($000) $19,260 Avg Close $77.91 Range $59.24 - $98.47

Q3 2014

Shares 269,197 Value ($000) $26,346 Avg Close $106.26 Range $96.79 - $118.95

Q2 2014

Shares 745,654 Value ($000) $86,577 Avg Close $109.54 Range $103.54 - $118.02

Q1 2014

Shares 727,700 Value ($000) $78,271 Avg Close $92.98 Range $81.34 - $108.43

Q4 2013

Shares 842,818 Value ($000) $70,864 Avg Close $77.83 Range $68.87 - $84.87

Q3 2013

Shares 846,175 Value ($000) $58,343 Avg Close $66.00 Range $62.35 - $71.36

Q2 2013

Shares 1,683,246 Value ($000) $105,118 Avg Close $61.57 Range $55.78 - $66.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	2,822	$218	$71.03	$60.39 - $85.78
Q4 2014	285,683	$19,260	$77.91	$59.24 - $98.47
Q3 2014	269,197	$26,346	$106.26	$96.79 - $118.95
Q2 2014	745,654	$86,577	$109.54	$103.54 - $118.02
Q1 2014	727,700	$78,271	$92.98	$81.34 - $108.43
Q4 2013	842,818	$70,864	$77.83	$68.87 - $84.87
Q3 2013	846,175	$58,343	$66.00	$62.35 - $71.36
Q2 2013	1,683,246	$105,118	$61.57	$55.78 - $66.02