MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2019

Shares 316,171 Value ($000) $4,170 Avg Close $13.36 Range $11.16 - $15.94

Q2 2019

Shares 303,734 Value ($000) $4,192 Avg Close $15.40 Range $11.95 - $17.40

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	316,171	$4,170	$13.36	$11.16 - $15.94
Q2 2019	303,734	$4,192	$15.40	$11.95 - $17.40