HELIX ENERGY SOLUTIONS GRP I

Ticker: HLX CUSIP: 42330P107 Class: Common Stock

Itau Unibanco Holding S.A.'s Holding History (CIK: 0001132597)

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

Q4 2017

Shares 1,744 Value ($000) $13 Avg Close $7.07 Range $6.20 - $8.09

Q3 2017

Shares 1,531 Value ($000) $36 Avg Close $6.33 Range $5.07 - $7.78

Q2 2017

Shares 5,290 Value ($000) $30 Avg Close $6.05 Range $4.82 - $8.11

Q1 2017

Shares 526 Value ($000) $4 Avg Close $8.04 Range $6.87 - $9.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	1,744	$13	$7.07	$6.20 - $8.09
Q3 2017	1,531	$36	$6.33	$5.07 - $7.78
Q2 2017	5,290	$30	$6.05	$4.82 - $8.11
Q1 2017	526	$4	$8.04	$6.87 - $9.82