IRIDIUM COMMUNICATIONS INC

Ticker: IRDM CUSIP: 46269C102 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

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

Q3 2017

Shares 386,210 Value ($000) $3,978 Avg Close $10.37 Range $9.68 - $11.50

Q2 2017

Shares 386,210 Value ($000) $4,268 Avg Close $10.45 Range $9.40 - $11.58

Q1 2017

Shares 386,210 Value ($000) $3,727 Avg Close $9.54 Range $7.80 - $11.54

Q4 2016

Shares 386,210 Value ($000) $3,708 Avg Close $8.92 Range $7.50 - $11.15

Q3 2016

Shares 386,210 Value ($000) $3,132 Avg Close $8.39 Range $6.80 - $9.37

Q1 2016

Shares 618,139 Value ($000) $4,865 Avg Close $7.19 Range $6.14 - $8.53

Q4 2015

Shares 972,219 Value ($000) $8,176 Avg Close $7.62 Range $5.85 - $8.99

Q3 2015

Shares 1,620,339 Value ($000) $9,965 Avg Close $7.26 Range $5.98 - $9.35

Q2 2015

Shares 904,116 Value ($000) $8,218 Avg Close $10.28 Range $9.00 - $11.36

Q1 2015

Shares 1,108,345 Value ($000) $10,762 Avg Close $9.32 Range $8.24 - $9.94

Q4 2014

Shares 1,429,306 Value ($000) $13,936 Avg Close $9.35 Range $8.15 - $10.50

Q3 2014

Shares 1,669,904 Value ($000) $14,779 Avg Close $8.67 Range $7.85 - $9.54

Q2 2014

Shares 1,888,904 Value ($000) $15,980 Avg Close $7.52 Range $6.12 - $8.49

Q1 2014

Shares 881,276 Value ($000) $6,618 Avg Close $6.69 Range $5.95 - $7.95

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	386,210	$3,978	$10.37	$9.68 - $11.50
Q2 2017	386,210	$4,268	$10.45	$9.40 - $11.58
Q1 2017	386,210	$3,727	$9.54	$7.80 - $11.54
Q4 2016	386,210	$3,708	$8.92	$7.50 - $11.15
Q3 2016	386,210	$3,132	$8.39	$6.80 - $9.37
Q1 2016	618,139	$4,865	$7.19	$6.14 - $8.53
Q4 2015	972,219	$8,176	$7.62	$5.85 - $8.99
Q3 2015	1,620,339	$9,965	$7.26	$5.98 - $9.35
Q2 2015	904,116	$8,218	$10.28	$9.00 - $11.36
Q1 2015	1,108,345	$10,762	$9.32	$8.24 - $9.94
Q4 2014	1,429,306	$13,936	$9.35	$8.15 - $10.50
Q3 2014	1,669,904	$14,779	$8.67	$7.85 - $9.54
Q2 2014	1,888,904	$15,980	$7.52	$6.12 - $8.49
Q1 2014	881,276	$6,618	$6.69	$5.95 - $7.95