GENTEX CORP

Ticker: GNTX CUSIP: 371901109 Class: COM

MAINSTAY CAPITAL MANAGEMENT LLC /ADV's Holding History (CIK: 0001127612)

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

Q3 2018

Shares 10,000 Value ($000) $215 Avg Close $23.14 Range $21.11 - $24.94

Q2 2018

Shares 10,000 Value ($000) $230 Avg Close $23.73 Range $21.82 - $25.41

Q1 2018

Shares 10,000 Value ($000) $230 Avg Close $22.76 Range $20.78 - $24.07

Q4 2017

Shares 10,000 Value ($000) $210 Avg Close $19.89 Range $18.51 - $21.16

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	10,000	$215	$23.14	$21.11 - $24.94
Q2 2018	10,000	$230	$23.73	$21.82 - $25.41
Q1 2018	10,000	$230	$22.76	$20.78 - $24.07
Q4 2017	10,000	$210	$19.89	$18.51 - $21.16