AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q4 2021

Shares 1,575 Value ($000) $320 Avg Close $185.38 Range $146.50 - $227.59

Q4 2016

Shares 200 Value ($000) $11 Avg Close $60.31 Range $51.75 - $74.95

Q3 2016

Shares 227 Value ($000) $17 Avg Close $62.64 Range $48.77 - $74.56

Q2 2016

Shares 227 Value ($000) $12 Avg Close $44.18 Range $35.26 - $54.10

Q1 2016

Shares 200 Value ($000) $9 Avg Close $41.39 Range $33.39 - $57.62

Q4 2015

Shares 200 Value ($000) $11 Avg Close $56.36 Range $48.76 - $64.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	1,575	$320	$185.38	$146.50 - $227.59
Q4 2016	200	$11	$60.31	$51.75 - $74.95
Q3 2016	227	$17	$62.64	$48.77 - $74.56
Q2 2016	227	$12	$44.18	$35.26 - $54.10
Q1 2016	200	$9	$41.39	$33.39 - $57.62
Q4 2015	200	$11	$56.36	$48.76 - $64.95