DOVER CORP

Ticker: DOV CUSIP: 260003108 Class: COM

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q1 2018

Shares 25,000 Value ($000) $2,456 Avg Close $72.48 Range $67.27 - $77.78

Q4 2017

Shares 32,000 Value ($000) $3,232 Avg Close $68.12 Range $62.37 - $72.79

Q3 2017

Shares 54,000 Value ($000) $4,935 Avg Close $60.83 Range $56.61 - $65.82

Q2 2017

Shares 228,033 Value ($000) $18,293 Avg Close $56.78 Range $53.68 - $59.41

Q1 2017

Shares 252,456 Value ($000) $20,285 Avg Close $55.23 Range $52.65 - $57.96

Q4 2016

Shares 241,250 Value ($000) $18,077 Avg Close $49.76 Range $45.45 - $54.64

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	25,000	$2,456	$72.48	$67.27 - $77.78
Q4 2017	32,000	$3,232	$68.12	$62.37 - $72.79
Q3 2017	54,000	$4,935	$60.83	$56.61 - $65.82
Q2 2017	228,033	$18,293	$56.78	$53.68 - $59.41
Q1 2017	252,456	$20,285	$55.23	$52.65 - $57.96
Q4 2016	241,250	$18,077	$49.76	$45.45 - $54.64