IRIDIUM COMMUNICATIONS INC

Ticker: IRDM CUSIP: 46269C102 Class: Common Stock

FORT WASHINGTON INVESTMENT ADVISORS INC /OH/'s Holding History (CIK: 0001009016)

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

Q1 2016
Shares 40,700 Value ($000) $320 Avg Close $7.19 Range $6.14 - $8.53
Q4 2015
Shares 65,300 Value ($000) $549 Avg Close $7.62 Range $5.85 - $8.99
Q3 2015
Shares 83,700 Value ($000) $515 Avg Close $7.26 Range $5.98 - $9.35
Q2 2015
Shares 108,650 Value ($000) $988 Avg Close $10.28 Range $9.00 - $11.36
Q1 2015
Shares 108,450 Value ($000) $1,053 Avg Close $9.32 Range $8.24 - $9.94
Q4 2014
Shares 110,150 Value ($000) $1,074 Avg Close $9.35 Range $8.15 - $10.50
Q3 2014
Shares 100,500 Value ($000) $889 Avg Close $8.67 Range $7.85 - $9.54
Q2 2014
Shares 85,700 Value ($000) $725 Avg Close $7.52 Range $6.12 - $8.49
Q1 2014
Shares 82,700 Value ($000) $621 Avg Close $6.69 Range $5.95 - $7.95