AtriCure, Inc. — Director's Dealing 2015

May 8, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AtriCure, Inc. (ATRC)
CIK: 0001323885
Period of Report: 2015-05-06

Reporting Person: ROBARDS KAREN P (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-06	Common Stock	M	5000	$12.00	Acquired	290978	Direct
2015-05-06	Common Stock	S	2650	$22.18	Disposed	288328	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-05-06	Stock Option (right to buy)	$12.00	M	5000	Disposed	2015-08-05	Common Stock (5000)	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $22.00 to $22.50 per share. The price reported above reflects the weighted average price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: These options were granted on August 5, 2005 and are exercisable cumulatively at a rate of 25% per annum beginning one year from date of grant.