INOGEN INC

Ticker: INGN CUSIP: 45780L104 Class: COM

Retirement Systems of Alabama's Holding History (CIK: 0001593051)

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

Q2 2019

Shares 23,389 Value ($000) $1,561 Avg Close $76.13 Range $62.31 - $96.00

Q1 2019

Shares 23,286 Value ($000) $2,221 Avg Close $124.73 Range $88.71 - $155.75

Q4 2018

Shares 22,885 Value ($000) $2,842 Avg Close $164.69 Range $110.51 - $247.99

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	23,389	$1,561	$76.13	$62.31 - $96.00
Q1 2019	23,286	$2,221	$124.73	$88.71 - $155.75
Q4 2018	22,885	$2,842	$164.69	$110.51 - $247.99