AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2018

Shares 225,000 Value ($000) $7,871 Avg Close $35.41 Range $30.00 - $42.79

Q3 2018

Shares 50,000 Value ($000) $1,934 Avg Close $38.74 Range $34.33 - $41.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	225,000	$7,871	$35.41	$30.00 - $42.79
Q3 2018	50,000	$1,934	$38.74	$34.33 - $41.00