AMBARELLA INC

Ticker: AMBA CUSIP: G037AX101 Class: Common Stock

ENTERPRISE FINANCIAL SERVICES CORP's Holding History (CIK: 0001025835)

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

Q4 2015

Shares 76 Value ($000) $4 Avg Close $56.36 Range $48.76 - $64.95

Q3 2015

Shares 76 Value ($000) $4 Avg Close $94.42 Range $53.76 - $129.19

Q2 2015

Shares 76 Value ($000) $8 Avg Close $87.40 Range $68.30 - $128.06

Q1 2015

Shares 76 Value ($000) $6 Avg Close $60.70 Range $48.50 - $77.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	76	$4	$56.36	$48.76 - $64.95
Q3 2015	76	$4	$94.42	$53.76 - $129.19
Q2 2015	76	$8	$87.40	$68.30 - $128.06
Q1 2015	76	$6	$60.70	$48.50 - $77.39