RAMBUS INC DEL

Ticker: RMBS CUSIP: 750917106 Class: EQTY

Chicago Partners Investment Group LLC's Holding History (CIK: 0001563525)

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

Q3 2018

Shares 4,300 Value ($000) $37 Avg Close $12.17 Range $10.76 - $13.61

Q2 2018

Shares 3,850 Value ($000) $48 Avg Close $13.52 Range $12.54 - $14.30

Q1 2018

Shares 3,150 Value ($000) $42 Avg Close $13.39 Range $11.85 - $14.63

Q4 2017

Shares 3,150 Value ($000) $45 Avg Close $14.38 Range $13.32 - $15.50

Q3 2017

Shares 3,050 Value ($000) $41 Avg Close $12.85 Range $11.30 - $13.64

Q2 2017

Shares 3,050 Value ($000) $35 Avg Close $12.28 Range $11.39 - $13.41

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	4,300	$37	$12.17	$10.76 - $13.61
Q2 2018	3,850	$48	$13.52	$12.54 - $14.30
Q1 2018	3,150	$42	$13.39	$11.85 - $14.63
Q4 2017	3,150	$45	$14.38	$13.32 - $15.50
Q3 2017	3,050	$41	$12.85	$11.30 - $13.64
Q2 2017	3,050	$35	$12.28	$11.39 - $13.41