INGEVITY CORP

Ticker: NGVT CUSIP: 45688C107 Class: Common Stock

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q4 2017

Shares 15,794 Value ($000) $1,113 Avg Close $72.15 Range $62.86 - $80.18

Q3 2017

Shares 14,483 Value ($000) $905 Avg Close $59.23 Range $55.07 - $64.05

Q2 2017

Shares 14,483 Value ($000) $831 Avg Close $58.82 Range $53.62 - $65.02

Q1 2017

Shares 28,866 Value ($000) $1,756 Avg Close $56.57 Range $51.01 - $62.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	15,794	$1,113	$72.15	$62.86 - $80.18
Q3 2017	14,483	$905	$59.23	$55.07 - $64.05
Q2 2017	14,483	$831	$58.82	$53.62 - $65.02
Q1 2017	28,866	$1,756	$56.57	$51.01 - $62.80