RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

Hanson & Doremus Investment Management's Holding History (CIK: 0001393944)

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

Q2 2018

Shares 11,682 Value ($000) $146 Avg Close $13.52 Range $12.54 - $14.30

Q1 2018

Shares 11,682 Value ($000) $157 Avg Close $13.39 Range $11.85 - $14.63

Q4 2017

Shares 11,682 Value ($000) $166 Avg Close $14.38 Range $13.32 - $15.50

Q3 2017

Shares 11,682 Value ($000) $156 Avg Close $12.85 Range $11.30 - $13.64

Q2 2017

Shares 13,598 Value ($000) $155 Avg Close $12.28 Range $11.39 - $13.41

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	11,682	$146	$13.52	$12.54 - $14.30
Q1 2018	11,682	$157	$13.39	$11.85 - $14.63
Q4 2017	11,682	$166	$14.38	$13.32 - $15.50
Q3 2017	11,682	$156	$12.85	$11.30 - $13.64
Q2 2017	13,598	$155	$12.28	$11.39 - $13.41