AMTECH SYS INC

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

Dynamic Technology Lab Private Ltd's Holding History (CIK: 0001535387)

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

Q1 2018

Shares 15,138 Value ($000) $110 Avg Close $9.00 Range $6.92 - $11.53

Q4 2017

Shares 30,051 Value ($000) $303 Avg Close $12.22 Range $9.31 - $15.45

Q3 2017

Shares 25,666 Value ($000) $308 Avg Close $10.06 Range $8.13 - $13.06

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	15,138	$110	$9.00	$6.92 - $11.53
Q4 2017	30,051	$303	$12.22	$9.31 - $15.45
Q3 2017	25,666	$308	$10.06	$8.13 - $13.06