AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q2 2018

Shares 200 Value ($000) $8 Avg Close $47.34 Range $38.17 - $55.50

Q1 2018

Shares 200 Value ($000) $10 Avg Close $51.88 Range $45.02 - $66.23

Q4 2017

Shares 264 Value ($000) $16 Avg Close $55.57 Range $48.13 - $65.09

Q3 2017

Shares 64 Value ($000) $3 Avg Close $49.33 Range $40.06 - $54.93

Q2 2017

Shares 64 Value ($000) $3 Avg Close $55.38 Range $48.13 - $65.39

Q1 2017

Shares 394 Value ($000) $22 Avg Close $53.97 Range $46.80 - $60.68

Q4 2016

Shares 358 Value ($000) $19 Avg Close $60.31 Range $51.75 - $74.95

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	200	$8	$47.34	$38.17 - $55.50
Q1 2018	200	$10	$51.88	$45.02 - $66.23
Q4 2017	264	$16	$55.57	$48.13 - $65.09
Q3 2017	64	$3	$49.33	$40.06 - $54.93
Q2 2017	64	$3	$55.38	$48.13 - $65.39
Q1 2017	394	$22	$53.97	$46.80 - $60.68
Q4 2016	358	$19	$60.31	$51.75 - $74.95