TENNANT CO

Ticker: TNC CUSIP: 880345103 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q2 2020

Shares 9,800 Value ($000) $637 Avg Close $56.35 Range $45.15 - $67.48

Q1 2020

Shares 8,800 Value ($000) $510 Avg Close $68.10 Range $43.15 - $80.32

Q4 2019

Shares 12,700 Value ($000) $990 Avg Close $68.59 Range $61.30 - $74.21

Q3 2019

Shares 12,700 Value ($000) $898 Avg Close $62.09 Range $53.91 - $72.10

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	9,800	$637	$56.35	$45.15 - $67.48
Q1 2020	8,800	$510	$68.10	$43.15 - $80.32
Q4 2019	12,700	$990	$68.59	$61.30 - $74.21
Q3 2019	12,700	$898	$62.09	$53.91 - $72.10