RING ENERGY INC

Ticker: REI CUSIP: 76680V108 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2017

Shares 400,669 Value ($000) $5,569 Avg Close $13.43 Range $11.58 - $15.13

Q3 2017

Shares 325,496 Value ($000) $4,716 Avg Close $12.89 Range $11.70 - $14.67

Q4 2016

Shares 445,681 Value ($000) $5,789 Avg Close $11.57 Range $8.76 - $13.54

Q3 2016

Shares 417,244 Value ($000) $4,569 Avg Close $9.36 Range $7.48 - $11.05

Q2 2016

Shares 453,987 Value ($000) $4,004 Avg Close $7.48 Range $4.77 - $10.00

Q2 2014

Shares 125,039 Value ($000) $2,182 Avg Close $18.09 Range $15.25 - $20.61

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	400,669	$5,569	$13.43	$11.58 - $15.13
Q3 2017	325,496	$4,716	$12.89	$11.70 - $14.67
Q4 2016	445,681	$5,789	$11.57	$8.76 - $13.54
Q3 2016	417,244	$4,569	$9.36	$7.48 - $11.05
Q2 2016	453,987	$4,004	$7.48	$4.77 - $10.00
Q2 2014	125,039	$2,182	$18.09	$15.25 - $20.61