AMTECH SYS INC

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

Diametric Capital, LP's Holding History (CIK: 0001719087)

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

Q1 2022

Shares 10,366 Value ($000) $104 Avg Close $9.55 Range $7.81 - $11.10

Q4 2021

Shares 13,859 Value ($000) $137 Avg Close $11.54 Range $8.38 - $15.78

Q3 2021

Shares 49,578 Value ($000) $567 Avg Close $10.24 Range $8.75 - $12.70

Q2 2021

Shares 46,622 Value ($000) $449 Avg Close $10.26 Range $8.35 - $14.24

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	10,366	$104	$9.55	$7.81 - $11.10
Q4 2021	13,859	$137	$11.54	$8.38 - $15.78
Q3 2021	49,578	$567	$10.24	$8.75 - $12.70
Q2 2021	46,622	$449	$10.26	$8.35 - $14.24