DIAMONDBACK ENERGY INC

Ticker: FANG CUSIP: 25278X109 Class: Com

HARTLINE INVESTMENT CORP/'s Holding History (CIK: 0000945625)

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

Q1 2019

Shares 7,740 Value ($000) $786 Avg Close $79.50 Range $69.70 - $84.50

Q4 2018

Shares 7,901 Value ($000) $732 Avg Close $86.64 Range $66.08 - $109.08

Q3 2018

Shares 11,537 Value ($000) $1,560 Avg Close $98.81 Range $86.24 - $107.01

Q2 2018

Shares 19,329 Value ($000) $2,543 Avg Close $95.97 Range $83.42 - $106.92

Q1 2018

Shares 15,096 Value ($000) $1,910 Avg Close $97.43 Range $81.71 - $104.08

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	7,740	$786	$79.50	$69.70 - $84.50
Q4 2018	7,901	$732	$86.64	$66.08 - $109.08
Q3 2018	11,537	$1,560	$98.81	$86.24 - $107.01
Q2 2018	19,329	$2,543	$95.97	$83.42 - $106.92
Q1 2018	15,096	$1,910	$97.43	$81.71 - $104.08