SEACOR MARINE HLDGS INC

Ticker: SMHI CUSIP: 78413P101 Class: Common Stock

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q4 2018

Shares 42,700 Value ($000) $502 Avg Close $17.74 Range $11.42 - $22.98

Q3 2018

Shares 42,700 Value ($000) $966 Avg Close $21.92 Range $19.33 - $26.20

Q2 2018

Shares 42,700 Value ($000) $986 Avg Close $22.70 Range $18.62 - $25.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	42,700	$502	$17.74	$11.42 - $22.98
Q3 2018	42,700	$966	$21.92	$19.33 - $26.20
Q2 2018	42,700	$986	$22.70	$18.62 - $25.00