INOGEN INC

Ticker: INGN CUSIP: 45780L104 Class: COM

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q2 2014

Shares 450,500 Value ($000) $10,163 Avg Close $16.57 Range $13.12 - $22.62

Q1 2014

Shares 460,923 Value ($000) $7,610 Avg Close $17.78 Range $14.78 - $21.00

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	450,500	$10,163	$16.57	$13.12 - $22.62
Q1 2014	460,923	$7,610	$17.78	$14.78 - $21.00