PORTLAND GEN ELEC CO

Ticker: POR CUSIP: 736508847 Class: Common Stock

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

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

Q1 2020

Shares 9,750 Value ($000) $467 Avg Close $43.84 Range $29.57 - $49.31

Q4 2019

Shares 13,850 Value ($000) $773 Avg Close $43.41 Range $42.11 - $44.97

Q3 2019

Shares 13,550 Value ($000) $764 Avg Close $42.95 Range $41.16 - $45.05

Q2 2019

Shares 14,350 Value ($000) $777 Avg Close $40.56 Range $38.13 - $42.87

Q1 2019

Shares 25,250 Value ($000) $1,309 Avg Close $37.12 Range $33.48 - $40.27

Q4 2018

Shares 23,950 Value ($000) $1,098 Avg Close $35.36 Range $33.15 - $38.02

Q3 2018

Shares 27,850 Value ($000) $1,270 Avg Close $34.08 Range $31.51 - $35.60

Q2 2018

Shares 28,050 Value ($000) $1,199 Avg Close $30.55 Range $29.07 - $32.40

Q1 2018

Shares 15,550 Value ($000) $630 Avg Close $30.23 Range $28.71 - $33.59

Q4 2017

Shares 15,550 Value ($000) $709 Avg Close $34.59 Range $32.64 - $36.59

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	9,750	$467	$43.84	$29.57 - $49.31
Q4 2019	13,850	$773	$43.41	$42.11 - $44.97
Q3 2019	13,550	$764	$42.95	$41.16 - $45.05
Q2 2019	14,350	$777	$40.56	$38.13 - $42.87
Q1 2019	25,250	$1,309	$37.12	$33.48 - $40.27
Q4 2018	23,950	$1,098	$35.36	$33.15 - $38.02
Q3 2018	27,850	$1,270	$34.08	$31.51 - $35.60
Q2 2018	28,050	$1,199	$30.55	$29.07 - $32.40
Q1 2018	15,550	$630	$30.23	$28.71 - $33.59
Q4 2017	15,550	$709	$34.59	$32.64 - $36.59