GREEN PLAINS INC

Ticker: GPRE CUSIP: 393222104 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2015

Shares 52,500 Value ($000) $1,497 Avg Close $24.99 Range $20.31 - $30.20

Q4 2014

Shares 71,100 Value ($000) $1,761 Avg Close $29.97 Range $21.19 - $37.77

Q3 2014

Shares 54,700 Value ($000) $2,045 Avg Close $39.93 Range $32.56 - $46.28

Q1 2014

Shares 34,900 Value ($000) $1,045 Avg Close $24.52 Range $18.02 - $31.57

Q2 2013

Shares 96,300 Value ($000) $1,278 Avg Close $13.32 Range $10.32 - $16.54

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	52,500	$1,497	$24.99	$20.31 - $30.20
Q4 2014	71,100	$1,761	$29.97	$21.19 - $37.77
Q3 2014	54,700	$2,045	$39.93	$32.56 - $46.28
Q1 2014	34,900	$1,045	$24.52	$18.02 - $31.57
Q2 2013	96,300	$1,278	$13.32	$10.32 - $16.54