ATRICURE INC

Ticker: ATRC CUSIP: 04963C209 Class: Common Stock

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q1 2019

Shares 325,000 Value ($000) $8,707 Avg Close $30.37 Range $26.11 - $33.92

Q4 2018

Shares 300,000 Value ($000) $9,180 Avg Close $31.15 Range $26.41 - $36.49

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	325,000	$8,707	$30.37	$26.11 - $33.92
Q4 2018	300,000	$9,180	$31.15	$26.41 - $36.49