RESEARCH FRONTIERS INC

Ticker: REFR CUSIP: 760911107 Class: COM

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q1 2021

Shares 22,847 Value ($000) $65 Avg Close $3.88 Range $2.65 - $5.66

Q4 2020

Shares 22,118 Value ($000) $62 Avg Close $2.82 Range $2.50 - $3.57

Q4 2013

Shares 109,598 Value ($000) $633 Avg Close $5.44 Range $4.18 - $7.64

Q3 2013

Shares 129,095 Value ($000) $547 Avg Close $4.17 Range $3.75 - $5.15

Q2 2013

Shares 216,979 Value ($000) $864 Avg Close $3.96 Range $3.31 - $4.91

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	22,847	$65	$3.88	$2.65 - $5.66
Q4 2020	22,118	$62	$2.82	$2.50 - $3.57
Q4 2013	109,598	$633	$5.44	$4.18 - $7.64
Q3 2013	129,095	$547	$4.17	$3.75 - $5.15
Q2 2013	216,979	$864	$3.96	$3.31 - $4.91