IRIDIUM COMMUNICATIONS INC

Ticker: IRDM CUSIP: 46269C102 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2018

Shares 55,900 Value ($000) $628 Avg Close $11.97 Range $10.75 - $13.25

Q3 2016

Shares 134,000 Value ($000) $1,086 Avg Close $8.39 Range $6.80 - $9.37

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	55,900	$628	$11.97	$10.75 - $13.25
Q3 2016	134,000	$1,086	$8.39	$6.80 - $9.37