RING ENERGY INC

Ticker: REI CUSIP: 76680V108 Class: Common Stock

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q2 2018

Shares 11,446 Value ($000) $144 Avg Close $14.53 Range $11.87 - $17.35

Q1 2018

Shares 12,526 Value ($000) $180 Avg Close $14.54 Range $12.77 - $16.09

Q4 2017

Shares 17,110 Value ($000) $238 Avg Close $13.43 Range $11.58 - $15.13

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	11,446	$144	$14.53	$11.87 - $17.35
Q1 2018	12,526	$180	$14.54	$12.77 - $16.09
Q4 2017	17,110	$238	$13.43	$11.58 - $15.13