AEHR TEST SYS

Ticker: AEHR CUSIP: 00760J108 Class: Common Stock

Herald Investment Management Ltd's Holding History (CIK: 0001512022)

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

Q1 2019

Shares 200,000 Value ($000) $270 Avg Close $1.35 Range $1.03 - $1.97

Q4 2018

Shares 200,000 Value ($000) $290 Avg Close $1.87 Range $1.30 - $2.30

Q3 2018

Shares 200,000 Value ($000) $444 Avg Close $2.47 Range $2.08 - $2.82

Q2 2018

Shares 200,000 Value ($000) $476 Avg Close $2.47 Range $2.12 - $2.94

Q1 2018

Shares 200,000 Value ($000) $450 Avg Close $2.53 Range $2.16 - $3.37

Q4 2017

Shares 200,000 Value ($000) $538 Avg Close $3.17 Range $2.34 - $4.10

Q3 2017

Shares 200,000 Value ($000) $814 Avg Close $3.59 Range $2.62 - $4.33

Q2 2017

Shares 200,000 Value ($000) $744 Avg Close $4.22 Range $3.37 - $5.04

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	200,000	$270	$1.35	$1.03 - $1.97
Q4 2018	200,000	$290	$1.87	$1.30 - $2.30
Q3 2018	200,000	$444	$2.47	$2.08 - $2.82
Q2 2018	200,000	$476	$2.47	$2.12 - $2.94
Q1 2018	200,000	$450	$2.53	$2.16 - $3.37
Q4 2017	200,000	$538	$3.17	$2.34 - $4.10
Q3 2017	200,000	$814	$3.59	$2.62 - $4.33
Q2 2017	200,000	$744	$4.22	$3.37 - $5.04