AtriCure, Inc. — Director's Dealing 2015

May 13, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AtriCure, Inc. (ATRC)
CIK: 0001323885
Period of Report: 2015-05-11

Reporting Person: Krell Elizabeth D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-11	Common Stock	M	10000	$7.99	Acquired	17162	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-05-11	Stock Option (right to buy)	$7.99	M	10000	Disposed	2016-06-21	Common Stock (10000)	Direct

Footnotes

F1: These options were granted on June 21, 2006 and are exercisable cumulatively at a rate of 25% per annum beginning one year from date of grant.