INOGEN INC

Ticker: INGN CUSIP: 45780L104 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2019

Shares 1,000 Value ($000) $95 Avg Close $124.73 Range $88.71 - $155.75

Q3 2018

Shares 22 Value ($000) $5 Avg Close $231.25 Range $179.49 - $287.79

Q4 2017

Shares 2,604 Value ($000) $310 Avg Close $110.11 Range $91.80 - $130.05

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	1,000	$95	$124.73	$88.71 - $155.75
Q3 2018	22	$5	$231.25	$179.49 - $287.79
Q4 2017	2,604	$310	$110.11	$91.80 - $130.05