AMTECH SYS INC

Ticker: ASYS CUSIP: 032332504 Class: COM PAR $0.01N

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

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

Q3 2017

Shares 372,250 Value ($000) $4,460 Avg Close $10.06 Range $8.13 - $13.06

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	372,250	$4,460	$10.06	$8.13 - $13.06