AMTECH SYS INC

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

US BANCORP \DE\'s Holding History (CIK: 0000036104)

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

Q4 2015

Shares 170 Value ($000) $1 Avg Close $5.17 Range $4.12 - $8.40

Q3 2015

Shares 1,010 Value ($000) $4 Avg Close $6.60 Range $4.27 - $11.11

Q2 2015

Shares 2,235 Value ($000) $23 Avg Close $11.09 Range $9.84 - $12.93

Q1 2015

Shares 1,243 Value ($000) $14 Avg Close $10.05 Range $7.96 - $12.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	170	$1	$5.17	$4.12 - $8.40
Q3 2015	1,010	$4	$6.60	$4.27 - $11.11
Q2 2015	2,235	$23	$11.09	$9.84 - $12.93
Q1 2015	1,243	$14	$10.05	$7.96 - $12.59