AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q3 2017

Shares 2,500 Value ($000) $123 Avg Close $49.33 Range $40.06 - $54.93

Q2 2017

Shares 2,500 Value ($000) $121 Avg Close $55.38 Range $48.13 - $65.39

Q1 2017

Shares 2,500 Value ($000) $137 Avg Close $53.97 Range $46.80 - $60.68

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	2,500	$123	$49.33	$40.06 - $54.93
Q2 2017	2,500	$121	$55.38	$48.13 - $65.39
Q1 2017	2,500	$137	$53.97	$46.80 - $60.68