AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q1 2018

Shares 5,110 Value ($000) $250 Avg Close $51.88 Range $45.02 - $66.23

Q4 2016

Shares 5,291 Value ($000) $286 Avg Close $60.31 Range $51.75 - $74.95

Q3 2015

Shares 70,209 Value ($000) $4,057 Avg Close $94.42 Range $53.76 - $129.19

Q2 2015

Shares 48,752 Value ($000) $5,006 Avg Close $87.40 Range $68.30 - $128.06

Q1 2015

Shares 49,628 Value ($000) $3,757 Avg Close $60.70 Range $48.50 - $77.39

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	5,110	$250	$51.88	$45.02 - $66.23
Q4 2016	5,291	$286	$60.31	$51.75 - $74.95
Q3 2015	70,209	$4,057	$94.42	$53.76 - $129.19
Q2 2015	48,752	$5,006	$87.40	$68.30 - $128.06
Q1 2015	49,628	$3,757	$60.70	$48.50 - $77.39