IRON MTN INC NEW

Ticker: IRM CUSIP: 46284V101 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2016

Shares 62,965 Value ($000) $2,045 Avg Close $19.85 Range $18.30 - $22.33

Q3 2016

Shares 100,165 Value ($000) $3,759 Avg Close $22.75 Range $21.08 - $24.40

Q2 2016

Shares 107,855 Value ($000) $4,296 Avg Close $21.21 Range $18.63 - $23.42

Q1 2016

Shares 76,765 Value ($000) $2,603 Avg Close $16.49 Range $13.49 - $19.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	62,965	$2,045	$19.85	$18.30 - $22.33
Q3 2016	100,165	$3,759	$22.75	$21.08 - $24.40
Q2 2016	107,855	$4,296	$21.21	$18.63 - $23.42
Q1 2016	76,765	$2,603	$16.49	$13.49 - $19.81