AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

DUPONT CAPITAL MANAGEMENT CORP's Holding History (CIK: 0001128251)

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

Q1 2017

Shares 17,488 Value ($000) $957 Avg Close $53.97 Range $46.80 - $60.68

Q4 2016

Shares 10,141 Value ($000) $549 Avg Close $60.31 Range $51.75 - $74.95

Q3 2016

Shares 32,221 Value ($000) $2,372 Avg Close $62.64 Range $48.77 - $74.56

Q2 2016

Shares 32,221 Value ($000) $1,637 Avg Close $44.18 Range $35.26 - $54.10

Q1 2016

Shares 16,202 Value ($000) $724 Avg Close $41.39 Range $33.39 - $57.62

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	17,488	$957	$53.97	$46.80 - $60.68
Q4 2016	10,141	$549	$60.31	$51.75 - $74.95
Q3 2016	32,221	$2,372	$62.64	$48.77 - $74.56
Q2 2016	32,221	$1,637	$44.18	$35.26 - $54.10
Q1 2016	16,202	$724	$41.39	$33.39 - $57.62