GULF ISLAND FABRICATION INC

Ticker: GIFI CUSIP: 402307102 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017

Shares 300 Value ($000) $3 Avg Close $12.29 Range $10.02 - $13.90

Q4 2016

Shares 3,700 Value ($000) $44 Avg Close $10.81 Range $9.02 - $12.80

Q3 2016

Shares 6,100 Value ($000) $56 Avg Close $8.25 Range $6.69 - $9.44

Q2 2016

Shares 11,800 Value ($000) $82 Avg Close $7.11 Range $6.30 - $8.19

Q4 2015

Shares 600 Value ($000) $6 Avg Close $10.54 Range $8.49 - $13.02

Q3 2015

Shares 7,000 Value ($000) $74 Avg Close $11.26 Range $8.52 - $13.41

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	300	$3	$12.29	$10.02 - $13.90
Q4 2016	3,700	$44	$10.81	$9.02 - $12.80
Q3 2016	6,100	$56	$8.25	$6.69 - $9.44
Q2 2016	11,800	$82	$7.11	$6.30 - $8.19
Q4 2015	600	$6	$10.54	$8.49 - $13.02
Q3 2015	7,000	$74	$11.26	$8.52 - $13.41