Document:

Specimen common stock certificate

	
	 Exhibit 4.4
 

  
 NUMBER

 ATRC AtriCure SHARES 
 ATRICURE, INC. 
 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE 
 SEE REVERSE FOR CERTAIN DEFINITIONS 
 THIS IS TO CERTIFY THAT 
 CUSIP 04963C 20 9 
 is the owner of 
 FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK OF THE PAR VALUE OF $0.001 PER SHARE OF 
 ATRICURE,
INC. 
 transferable upon the books of the Corporation by the holder hereof in person or by duly authorized attorney upon
surrender of this Certificate properly endorsed. This certificate is not valid unless countersigned by the Transfer Agent and registered by the Registrar. 
 Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. 
 Dated: 
 (ILLEGIBLE) 
 SECRETARY 
 ATRICURE, INC. 
 CORPORATE SEAL 2000 DELAWARE 
 DAVID D(ILLEGIBLE) 
 PRESIDENT 
 COUNTERSIGNED AND REGISTERED: 
 AMERICAN STOCK TRANSFER & TRUST COMPANY 
 (NEW YORK) 
 TRANSFER AGENT AND REGISTRAR 
 BY 
 AUTHORIZED SIGNATURE 

 

 
  
 The
Corporation will furnish without charge to each stockholder who so requests a statement of the designations, relative rights, preferences, and limitations applicable to each class of shares and the variations in rights, preferences, and limitations
determined for each series thereof (and the authority of the Board of Directors to determine variations for future series). Such request may he addressed to the Secretary of the Corporation or to the Transfer Agent and Registrar named on the face of
this Certificate. 
 The following abbreviations, when used in the inscription on the face of this certificate, shall be
construed as though they were written out in full according to applicable laws or regulations: 
 TEN COM — as tenants in
common 
 TEN ENT — as tenants by the entireties 
 JT TEN — as joint tenants with right of survivorship and not as tenants in common 
 UNIF GIFT MIN ACT—              Custodian
             
 (Cust) (Minor) under Uniform Gifts to Minors

 Act              
 (State) 
 Additional abbreviations may also be used though not in the above list. 
 For value received,
             hereby sell, assign and transfer unto 
 PLEASE
INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE 
 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP
CODE, OF ASSIGNEE) 
 Shares of the capital stock represented by the within Certificate and do hereby irrevocably constitute
and appoint              Attorney to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises. 
 Dated              
 NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR,
WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER. 
 Signature(s) Guaranteed: 
 THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT
UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.Form of 2005 Equity Incentive Plan

 Exhibit 10.2 
  
 ATRICURE, INC. 
  
 2005 EQUITY INCENTIVE PLAN 
  

	1.	Purposes of the Plan. The purposes of this Plan are: 

  

	 	•	 	to attract and retain the best available personnel for positions of substantial responsibility, 

  

	 	•	 	to provide additional incentive to Employees, Directors and Consultants, and 

  

	 	•	 	to promote the success of the Company’s business. 

  
   The Plan permits the grant of Incentive Stock Options, Nonstatutory Stock Options, Restricted Stock, Stock Appreciation Rights, Performance
Units and Performance Shares. 
  

	2.	Definitions. As used herein, the following definitions will apply: 

  

	 	(a)	“Administrator” means the Board or any of its Committees as will be administering the Plan, in accordance with Section 4 of the Plan. 

  

	 	(b)	“Applicable Laws” means the requirements relating to the administration of equity-based awards under state corporate laws, U.S. federal and state securities laws, the
Code, any stock exchange or quotation system on which the Common Stock is listed or quoted and the applicable laws of any foreign country or jurisdiction where Awards are, or will be, granted under the Plan. 

  

	 	(c)	“Award” means, individually or collectively, a grant under the Plan of Options, SARs, Restricted Stock, Performance Units or Performance Shares. 

 

	 	(d)	“Award Agreement” means the written or electronic agreement setting forth the terms and provisions applicable to each Award granted under the Plan. The Award Agreement is
subject to the terms and conditions of the Plan. 

  

	 	(e)	“Board” means the Board of Directors of the Company. 

  

	 	(f)	“Change in Control” means the occurrence of any of the following events: 

  

	 	(i)	Any “person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “beneficial owner” (as defined in Rule 13d-3 of the Exchange
Act), directly or indirectly, of securities of the Company representing fifty percent (50%) or more of the total voting power represented by the Company’s then outstanding voting securities; or 

  

	 	(ii)	The consummation of the sale or disposition by the Company of all or substantially all of the Company’s assets; or 

	 	(iii)	A change in the composition of the Board occurring within a two-year period, as a result of which fewer than a majority of the directors are Incumbent Directors. “Incumbent
Directors” means directors who either (A) are Directors as of the effective date of the Plan, or (B) are elected, or nominated for election, to the Board with the affirmative votes of at least a majority of the Incumbent Directors at the time
of such election or nomination (but will not include an individual whose election or nomination is in connection with an actual or threatened proxy contest relating to the election of directors to the Company); or 

  

	 	(iv)	The consummation of a merger or consolidation of the Company with any other corporation, other than a merger or consolidation which would result in the voting securities of the
Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or its parent) at least fifty percent (50%) of the total voting power
represented by the voting securities of the Company or such surviving entity or its parent outstanding immediately after such merger or consolidation. 

  

	 	(g)	“Code” means the Internal Revenue Code of 1986, as amended. Any reference to a section of the Code herein will be a reference to any successor or amended section of the
Code. 

  

	 	(h)	“Committee” means a committee of Directors or of other individuals satisfying Applicable Laws appointed by the Board in accordance with Section 4 hereof.

  

	 	(i)	“Common Stock” means the common stock of the Company. 

  

	 	(j)	“Company” means AtriCure, Inc., a Delaware corporation, or any successor thereto. 

  

	 	(k)	“Consultant” means any person, including an advisor, engaged by the Company or a Parent or Subsidiary to render services to such entity. 

  

	 	(l)	“Director” means a member of the Board. 

  

	 	(m)	“Disability” means total and permanent disability as defined in Section 22(e)(3) of the Code, provided that in the case of Awards other than Incentive Stock Options, the
Administrator in its discretion may determine whether a permanent and total disability exists in accordance with uniform and non-discriminatory standards adopted by the Administrator from time to time. 

  

	 	(n)	“Employee” means any person, including Officers and Directors, employed by the Company or any Parent or Subsidiary of the Company. Neither service as a Director nor
payment of a director’s fee by the Company will be sufficient to constitute “employment” by the Company. 

  

	 	(o)	“Exchange Act” means the Securities Exchange Act of 1934, as amended. 

  

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	 	(p)	“Exchange Program” means a program under which (i) outstanding Awards are surrendered or cancelled in exchange for Awards of the same type (which may have lower exercise
prices and different terms), Awards of a different type, and/or cash, and/or (ii) the exercise price of an outstanding Award is reduced. The Administrator will determine the terms and conditions of any Exchange Program in its sole discretion.

  

	 	(q)	“Fair Market Value” means, as of any date, the value of Common Stock determined as follows: 

  

	 	(i)	If the Common Stock is listed on any established stock exchange or a national market system, including without limitation the Nasdaq National Market or The Nasdaq SmallCap Market of
The Nasdaq Stock Market, its Fair Market Value will be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such exchange or system on the day of determination, as reported in The Wall Street Journal or
such other source as the Administrator deems reliable; 

  

	 	(ii)	If the Common Stock is regularly quoted by a recognized securities dealer but selling prices are not reported, the Fair Market Value of a Share will be the mean between the high bid
and low asked prices for the Common Stock on the day of determination, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; 

  

	 	(iii)	For purposes of any Awards granted on the Registration Date, the Fair Market Value will be the initial price to the public as set forth in the final prospectus included within the
registration statement in Form S-1 filed with the Securities and Exchange Commission for the initial public offering of the Company’s Common Stock; or 

  

	 	(iv)	In the absence of an established market for the Common Stock, the Fair Market Value will be determined in good faith by the Administrator. 

  

	 	(r)	“Fiscal Year” means the fiscal year of the Company. 

  

	 	(s)	“Incentive Stock Option” means an Option intended to qualify as an incentive stock option within the meaning of Section 422 of the Code and the regulations promulgated
thereunder. 

  

	 	(t)	“Inside Director” means a Director who is an Employee. 

  

	 	(u)	“Nonstatutory Stock Option” means an Option that by its terms does not qualify or is not intended to qualify as an Incentive Stock Option. 

  

	 	(v)	“Officer” means a person who is an officer of the Company within the meaning of Section 16 of the Exchange Act and the rules and regulations promulgated thereunder.

  

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	 	(w)	“Option” means a stock option granted pursuant to the Plan. 

  

	 	(x)	“Optioned Stock” means the Common Stock subject to an Award. 

  

	 	(y)	“Outside Director” means a Director who is not an Employee. 

  

	 	(z)	“Parent” means a “parent corporation,” whether now or hereafter existing, as defined in Section 424(e) of the Code. 

  

	 	(aa)	“Participant” means the holder of an outstanding Award. 

  

	 	(bb)	“Performance Share” means an Award granted to a Participant pursuant to Section 9. 

  

	 	(cc)	“Performance Unit” means an Award granted to a Participant pursuant to Section 9. 

  

	 	(dd)	“Period of Restriction” means the period during which the transfer of Shares of Restricted Stock are subject to restrictions and therefore, the Shares are subject to a
substantial risk of forfeiture. Such restrictions may be based on the passage of time, the achievement of target levels of performance, or the occurrence of other events as determined by the Administrator. 

  

	 	(ee)	“Plan” means this 2005 Equity Incentive Plan. 

  

	 	(ff)	“Registration Date” means the effective date of the first registration statement that is filed by the Company and declared effective pursuant to Section 12(g) of the
Exchange Act, with respect to any class of the Company’s securities. 

  

	 	(gg)	“Restricted Stock” means Shares issued pursuant to a Restricted Stock award under Section 7 of the Plan, or issued pursuant to the early exercise of an Option.

  

	 	(hh)	“Rule 16b-3” means Rule 16b-3 of the Exchange Act or any successor to Rule 16b-3, as in effect when discretion is being exercised with respect to the Plan.

  

	 	(ii)	“Section 16(b)” means Section 16(b) of the Exchange Act. 

  

	 	(jj)	“Service Provider” means an Employee, Director or Consultant. 

  

	 	(kk)	“Share” means a share of the Common Stock, as adjusted in accordance with Section 13 of the Plan. 

  

	 	(ll)	“Stock Appreciation Right” or “SAR” means an Award, granted alone or in connection with an Option, that pursuant to Section 8 is designated as a SAR.

  

	 	(mm)	“Subsidiary” means a “subsidiary corporation”, whether now or hereafter existing, as defined in Section 424(f) of the Code. 

  

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	3.	Stock Subject to the Plan. 

  

	 	(a)	Stock Subject to the Plan. Subject to the provisions of Section 13 of the Plan, the maximum aggregate number of Shares that may be optioned and sold under the Plan is
1,750,000 Shares plus the number of Shares which have been reserved but not issued under the Company’s 2001 Stock Option Plan (the “2001 Plan”) as of the Registration Date, (ii) any Shares returned to the 2001 Plan as a result of
termination of options or repurchase of Shares issued under such plan, and (iii) an annual increase to be added on the first day of the Company’s fiscal year beginning in 2006, equal to the lesser of (A) 825,000 Shares, (B) 3.25% of the
outstanding Shares on such date or (C) an amount determined by the Board. The Shares may be authorized, but unissued, or reacquired Common Stock. Shares will not be deemed to have been issued pursuant to the Plan with respect to any portion of an
Award that is settled in cash. Upon payment in Shares pursuant to the exercise of an SAR, only the number of Shares actually issued in such payment will reduce the number of Shares available for issuance under the Plan. If the exercise price of an
Option is paid by tender to the Company, or attestation to the ownership, of Shares owned by the Participant, the number of Shares available for issuance under the Plan will be reduced by the gross number of Shares for which the Option is exercised.

  

	 	(b)	Lapsed Awards. If an Award expires or becomes unexercisable without having been exercised in full, or is surrendered pursuant to an Exchange Program, the unpurchased Shares
which were subject thereto will become available for future grant or sale under the Plan (unless the Plan has terminated); provided, however, that Shares that have actually been issued under the Plan, whether upon exercise of an Award, will not be
returned to the Plan and will not become available for future distribution under the Plan, except that if unvested Shares are forfeited or repurchased by the Company, such Shares will become available for future grant under the Plan.

  

	 	(c)	Share Reserve. The Company, during the term of this Plan, will at all times reserve and keep available such number of Shares as will be sufficient to satisfy the requirements
of the Plan. 

  

	4.	Administration of the Plan. 

  

	 	(a)	Procedure. 

  

	 	(i)	Multiple Administrative Bodies. Different Committees with respect to different groups of Service Providers may administer the Plan. 

  

	 	(ii)	Section 162(m). To the extent that the Administrator determines it to be desirable to qualify Options granted hereunder as “performance-based compensation” within
the meaning of Section 162(m) of the Code, the Plan will be administered by a Committee of two or more “outside directors” within the meaning of Section 162(m) of the Code. 

  

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	 	(iii)	Rule 16b-3. To the extent desirable to qualify transactions hereunder as exempt under Rule 16b-3, the transactions contemplated hereunder will be structured to satisfy the
requirements for exemption under Rule 16b-3. 

  

	 	(iv)	Other Administration. Other than as provided above, the Plan will be administered by (A) the Board or (B) a Committee, which committee will be constituted to satisfy
Applicable Laws. 

  

	 	(b)	Powers of the Administrator. Subject to the provisions of the Plan, and in the case of a Committee, subject to the specific duties delegated by the Board to such Committee,
the Administrator will have the authority, in its discretion: 

  

	 	(i)	to determine the Fair Market Value; 

  

	 	(ii)	to select the Service Providers to whom Awards may be granted hereunder; 

  

	 	(iii)	to determine the number of Shares to be covered by each Award granted hereunder; 

  

	 	(iv)	to approve forms of agreement for use under the Plan; 

  

	 	(v)	to determine the terms and conditions, not inconsistent with the terms of the Plan, of any Award granted hereunder. Such terms and conditions include, but are not limited to, the
exercise price, the time or times when Awards may be exercised (which may be based on performance criteria), any vesting acceleration or waiver of forfeiture restrictions, and any restriction or limitation regarding any Award or the Shares relating
thereto, based in each case on such factors as the Administrator will determine; 

  

	 	(vi)	to institute an Exchange Program; 

  

	 	(vii)	to construe and interpret the terms of the Plan and Awards granted pursuant to the Plan; 

  

	 	(viii)	to prescribe, amend and rescind rules and regulations relating to the Plan, including rules and regulations relating to sub-plans established for the purpose of satisfying
applicable foreign laws; 

  

	 	(ix)	to modify or amend each Award (subject to Section 18(c) of the Plan), including the discretionary authority to extend the post-termination exercisability period of Awards longer
than is otherwise provided for in the Plan; 

  

	 	(x)	to allow Participants to satisfy withholding tax obligations in such manner as prescribed in Section 14; 

  

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	 	(xi)	to authorize any person to execute on behalf of the Company any instrument required to effect the grant of an Award previously granted by the Administrator;

  

	 	(xii)	to allow a Participant to defer the receipt of the payment of cash or the delivery of Shares that would otherwise be due to such Participant under an Award; or

  

	 	(xiii)	to make all other determinations deemed necessary or advisable for administering the Plan. 

  

	 	(c)	Effect of Administrator’s Decision The Administrator’s decisions, determinations and interpretations will be final and binding on all Participants and any other
holders of Awards. 

  

	5.	Eligibility. Nonstatutory Stock Options, Restricted Stock, Stock Appreciation Rights, Performance Units and Performance Shares may be granted to Service Providers. Incentive
Stock Options may be granted only to Employees. 

  

	6.	Stock Options. 

  

	 	(a)	Limitations. 

  

	 	(i)	Each Option will be designated in the Award Agreement as either an Incentive Stock Option or a Nonstatutory Stock Option. However, notwithstanding such designation, to the extent
that the aggregate Fair Market Value of the Shares with respect to which Incentive Stock Options are exercisable for the first time by the Participant during any calendar year (under all plans of the Company and any Parent or Subsidiary) exceeds
$100,000, such Options will be treated as Nonstatutory Stock Options. For purposes of this Section 6(a), Incentive Stock Options will be taken into account in the order in which they were granted. The Fair Market Value of the Shares will be
determined as of the time the Option with respect to such Shares is granted. 

  

	 	(ii)	The following limitations will apply to grants of Options and Stock Appreciation Rights: 

  

	 	(1)	No Service Provider will be granted, in any Fiscal Year, Options and/or Stock Appreciation Rights to first purchase more than 1,500,000 Shares. 

  

	 	(2)	In connection with his or her initial service, a Service Provider may be granted Options and/or Stock Appreciation Rights to purchase up to an additional 500,000 Shares, which will
not count against the limit set forth in Section 6(a)(ii)(1) above. 

  

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	 	(3)	The foregoing limitations will be adjusted proportionately in connection with any change in the Company’s capitalization as described in Section 13. 

 

	 	(4)	If an Option and/or Stock Appreciation Right, as applicable, is cancelled in the same Fiscal Year in which it was granted (other than in connection with a transaction described in
Section 13), the cancelled Option and/or Stock Appreciation Right, as applicable, will be counted against the limits set forth in subsections (1) and (2) above. For this purpose, if the exercise price of an Option and/or Stock Appreciation Right, as
applicable, is reduced, the transaction will be treated as a cancellation of the Option and/or Stock Appreciation Right and the grant of a new Option and/or Stock Appreciation Right, as applicable. 

  

	 	(b)	Term of Option. The term of each Option will be stated in the Award Agreement. In the case of an Incentive Stock Option, the term will be ten (10) years from the date of
grant or such shorter term as may be provided in the Award Agreement. Moreover, in the case of an Incentive Stock Option granted to a Participant who, at the time the Incentive Stock Option is granted, owns stock representing more than ten percent
(10%) of the total combined voting power of all classes of stock of the Company or any Parent or Subsidiary, the term of the Incentive Stock Option will be five (5) years from the date of grant or such shorter term as may be provided in the Award
Agreement. 

  

	 	(c)	Option Exercise Price and Consideration. 

  

	 	(i)	Exercise Price. The per share exercise price for the Shares to be issued pursuant to exercise of an Option will be determined by the Administrator, subject to the following:

  

	 	(1)	In the case of an Incentive Stock Option: 

  

	 	a)	granted to an Employee who, at the time the Incentive Stock Option is granted, owns stock representing more than ten percent (10%) of the voting power of all classes of stock of the
Company or any Parent or Subsidiary, the per Share exercise price will be no less than 110% of the Fair Market Value per Share on the date of grant. 

  

	 	b)	granted to any Employee other than an Employee described in paragraph (A) immediately above, the per Share exercise price will be no less than 100% of the Fair Market Value per
Share on the date of grant. 

  

	 	c)	Notwithstanding the foregoing, Incentive Stock Options may be granted with a per Share exercise price of less than 100% of the Fair Market Value per Share on the date of grant
pursuant to a transaction described in, and in a manner consistent with, Section 424(a) of the Code. 

  

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	 	(2)	In the case of a Nonstatutory Stock Option, the per Share exercise price will be determined by the Administrator. In the case of a Nonstatutory Stock Option intended to qualify as
“performance-based compensation” within the meaning of Section 162(m) of the Code, the per Share exercise price will be no less than 100% of the Fair Market Value per Share on the date of grant. 

  

	 	(ii)	Waiting Period and Exercise Dates. At the time an Option is granted, the Administrator will fix the period within which the Option may be exercised and will determine any
conditions that must be satisfied before the Option may be exercised. 

  

	 	(iii)	Form of Consideration. The Administrator will determine the acceptable form of consideration for exercising an Option, including the method of payment. In the case of an
Incentive Stock Option, the Administrator will determine the acceptable form of consideration at the time of grant. Such consideration may consist entirely of: (1) cash; (2) check; (3) promissory note; (4) other Shares, provided Shares acquired
directly or indirectly from the Company, (A) have been owned by the Participant and not subject to substantial risk of forfeiture for more than six months on the date of surrender, and (B) have a Fair Market Value on the date of surrender equal to
the aggregate exercise price of the Shares as to which said Option will be exercised; (5) consideration received by the Company under a cashless exercise program implemented by the Company in connection with the Plan; (6) a reduction in the amount
of any Company liability to the Participant, including any liability attributable to the Participant’s participation in any Company-sponsored deferred compensation program or arrangement; (7) any combination of the foregoing methods of payment;
or (8) such other consideration and method of payment for the issuance of Shares to the extent permitted by Applicable Laws. 

  

	 	(d)	Exercise of Option. 

  

	 	(i)	Procedure for Exercise; Rights as a Stockholder. Any Option granted hereunder will be exercisable according to the terms of the Plan and at such times and under such
conditions as determined by the Administrator and set forth in the Award Agreement. An Option may not be exercised for a fraction of a Share. 

  
 An Option will be deemed exercised when the Company receives: (i) notice of exercise (in such form as the Administrator specifies from
time to time) from the person entitled to exercise the Option; and (ii) full payment for the Shares with respect to which the Option is exercised (together with an applicable withholding taxes). Full payment may consist 
  

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 of any consideration and method of payment authorized by the Administrator and permitted by the Award
Agreement and the Plan. Shares issued upon exercise of an Option will be issued in the name of the Participant or, if requested by the Participant, in the name of the Participant and his or her spouse. Until the Shares are issued (as evidenced by
the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company), no right to vote or receive dividends or any other rights as a stockholder will exist with respect to the Optioned Stock, notwithstanding the
exercise of the Option. The Company will issue (or cause to be issued) such Shares promptly after the Option is exercised. No adjustment will be made for a dividend or other right for which the record date is prior to the date the Shares are issued,
except as provided in Section 13 of the Plan. 
  
 Exercising an Option in any manner will decrease the number of Shares thereafter available, both for purposes of the Plan and for sale under the Option, by the number of Shares as to which the Option is exercised. 
  

	 	(ii)	Termination of Relationship as a Service Provider. If a Participant ceases to be a Service Provider, other than upon the Participant’s death or Disability, the
Participant may exercise his or her Option within such period of time as is specified in the Award Agreement to the extent that the Option is vested on the date of termination (but in no event later than the expiration of the term of such Option as
set forth in the Award Agreement). In the absence of a specified time in the Award Agreement, the Option will remain exercisable for three (3) months following the Participant’s termination. Unless otherwise provided by the Administrator, if on
the date of termination the Participant is not vested as to his or her entire Option, the Shares covered by the unvested portion of the Option will revert to the Plan. If after termination the Participant does not exercise his or her Option within
the time specified by the Administrator, the Option will terminate, and the Shares covered by such Option will revert to the Plan. 

  

	 	(iii)	Disability of Participant. If a Participant ceases to be a Service Provider as a result of the Participant’s Disability, the Participant may exercise his or her Option
within such period of time as is specified in the Award Agreement to the extent the Option is vested on the date of termination (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement). In the
absence of a specified time in the Award Agreement, the Option will remain exercisable for twelve (12) months following the Participant’s termination. Unless otherwise provided by the Administrator, if on the date of termination the Participant
is not vested as to his or her entire Option, the Shares covered by the unvested portion of the Option will revert to the Plan. If after termination the Participant does not exercise his or her Option within the time specified herein, the Option
will terminate, and the Shares covered by such Option will revert to the Plan. 

  

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	 	(iv)	Death of Participant. If a Participant dies while a Service Provider, the Option may be exercised following the Participant’s death within such period of time as is
specified in the Award Agreement to the extent that the Option is vested on the date of death (but in no event may the option be exercised later than the expiration of the term of such Option as set forth in the Award Agreement), by the
Participant’s designated beneficiary, provided such beneficiary has been designated prior to Participant’s death in a form acceptable to the Administrator. If no such beneficiary has been designated by the Participant, then such Option may
be exercised by the personal representative of the Participant’s estate or by the person(s) to whom the Option is transferred pursuant to the Participant’s will or in accordance with the laws of descent and distribution. In the absence of
a specified time in the Award Agreement, the Option will remain exercisable for twelve (12) months following Participant’s death. Unless otherwise provided by the Administrator, if at the time of death Participant is not vested as to his or her
entire Option, the Shares covered by the unvested portion of the Option will immediately revert to the Plan. If the Option is not so exercised within the time specified herein, the Option will terminate, and the Shares covered by such Option will
revert to the Plan. 

  

	7.	Restricted Stock. 

  

	 	(a)	Grant of Restricted Stock. Subject to the terms and provisions of the Plan, the Administrator, at any time and from time to time, may grant Shares of Restricted Stock to
Service Providers in such amounts as the Administrator, in its sole discretion, will determine. 

  

	 	(b)	Restricted Stock Agreement. Each Award of Restricted Stock will be evidenced by an Award Agreement that will specify the Period of Restriction, the number of Shares granted,
and such other terms and conditions as the Administrator, in its sole discretion, will determine. Unless the Administrator determines otherwise, the Company as escrow agent will hold Shares of Restricted Stock until the restrictions on such Shares
have lapsed. 

  

	 	(c)	Transferability. Except as provided in this Section 7, Shares of Restricted Stock may not be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated
until the end of the applicable Period of Restriction. 

  

	 	(d)	Other Restrictions. The Administrator, in its sole discretion, may impose such other restrictions on Shares of Restricted Stock as it may deem advisable or appropriate.

  

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	 	(e)	Removal of Restrictions. Except as otherwise provided in this Section 7, Shares of Restricted Stock covered by each Restricted Stock grant made under the Plan will be
released from escrow as soon as practicable after the last day of the Period of Restriction. The Administrator, in its discretion, may accelerate the time at which any restrictions will lapse or be removed.  

  

	 	(f)	Voting Rights. During the Period of Restriction, Service Providers holding Shares of Restricted Stock granted hereunder may exercise full voting rights with respect to those
Shares, unless the Administrator determines otherwise. 

  

	 	(g)	Dividends and Other Distributions. During the Period of Restriction, Service Providers holding Shares of Restricted Stock will be entitled to receive all dividends and other
distributions paid with respect to such Shares unless otherwise provided in the Award Agreement. If any such dividends or distributions are paid in Shares, the Shares will be subject to the same restrictions on transferability and forfeitability as
the Shares of Restricted Stock with respect to which they were paid. 

  

	 	(h)	Return of Restricted Stock to Company. On the date set forth in the Award Agreement, the Restricted Stock for which restrictions have not lapsed will revert to the Company
and again will become available for grant under the Plan. 

  

	8.	Stock Appreciation Rights. 

  

	 	(a)	Grant of SARs. Subject to the terms and conditions of the Plan, a SAR may be granted to Service Providers at any time and from time to time as will be determined by the
Administrator, in its sole discretion. 

  

	 	(b)	Number of Shares. The Administrator will have complete discretion to determine the number of SARs granted to any Service Provider, subject to the limits set forth in Section
6(a)(ii). 

  

	 	(c)	Exercise Price and Other Terms. The Administrator, subject to the provisions of the Plan, will have complete discretion to determine the terms and conditions of SARs granted
under the Plan. 

  

	 	(d)	SAR Agreement. Each SAR grant will be evidenced by an Award Agreement that will specify the exercise price, the term of the SAR, the conditions of exercise, and such other
terms and conditions as the Administrator, in its sole discretion, will determine. 

  

	 	(e)	Expiration of SARs. A SAR granted under the Plan will expire upon the date determined by the Administrator, in its sole discretion, and set forth in the Award Agreement.
Notwithstanding the foregoing, the rules of Section 6(d) also will apply to SARs. 

  

	 	(f)	Payment of SAR Amount. Upon exercise of a SAR, a Participant will be entitled to receive payment from the Company in an amount determined by multiplying:

  

	 	(i)	The difference between the Fair Market Value of a Share on the date of exercise over the exercise price; times 

  

 12 

	 	(ii)	The number of Shares with respect to which the SAR is exercised. 

  
   At the discretion of the Administrator, the payment upon SAR exercise may be in cash, in Shares of equivalent value, or in some combination
thereof. 
  

	9.	Performance Units and Performance Shares. 

  

	 	(a)	Grant of Performance Units/Shares. Performance Units and Performance Shares may be granted to Service Providers at any time and from time to time, as will be determined by
the Administrator, in its sole discretion. The Administrator will have complete discretion in determining the number of Performance Units and Performance Shares granted to each Participant. 

  

	 	(b)	Value of Performance Units/Shares. Each Performance Unit will have an initial value that is established by the Administrator on or before the date of grant. Each Performance
Share will have an initial value equal to the Fair Market Value of a Share on the date of grant. 

  

	 	(c)	Performance Objectives and Other Terms. The Administrator will set performance objectives or other vesting provisions (including, without limitation, continued status as a
Service Provider) in its discretion which, depending on the extent to which they are met, will determine the number or value of Performance Units/Shares that will be paid out to the Service Providers. The time period during which the performance
objectives or other vesting provisions must be met will be called the “Performance Period.” Each Award of Performance Units/Shares will be evidenced by an Award Agreement that will specify the Performance Period, and such other terms and
conditions as the Administrator, in its sole discretion, will determine. The Administrator may set performance objectives based upon the achievement of Company-wide, divisional, or individual goals, applicable federal or state securities laws, or
any other basis determined by the Administrator in its discretion. 

  

	 	(d)	Earning of Performance Units/Shares. After the applicable Performance Period has ended, the holder of Performance Units/Shares will be entitled to receive a payout of the
number of Performance Units/Shares earned by the Participant over the Performance Period, to be determined as a function of the extent to which the corresponding performance objectives or other vesting provisions have been achieved. After the grant
of a Performance Unit/Share, the Administrator, in its sole discretion, may reduce or waive any performance objectives or other vesting provisions for such Performance Unit/Share. 

  

	 	(e)	Form and Timing of Payment of Performance Units/Shares. Payment of earned Performance Units/Shares will be made as soon as practicable after the expiration of the applicable
Performance Period. The Administrator, in its sole discretion, may pay earned Performance Units/Shares in the form of cash, in Shares (which 

  

 13 

 have an aggregate Fair Market Value equal to the value of the earned Performance Units/Shares at the
close of the applicable Performance Period) or in a combination thereof. 
  

	 	(f)	Cancellation of Performance Units/Shares. On the date set forth in the Award Agreement, all unearned or unvested Performance Units/Shares will be forfeited to the Company,
and again will be available for grant under the Plan. 

  

	10.	Formula Option Grants to Outside Directors. 

  
   All grants of Options to Outside Directors pursuant to this Section will be automatic and nondiscretionary, except as otherwise provided
herein, and will be made in accordance with the following provisions: 
  

	 	(a)	Type of Option. All Options granted pursuant to this Section will be Nonstatutory Stock Options and, except as otherwise provided herein, will be subject to the other terms
and conditions of the Plan. 

  

	 	(b)	No Discretion. No person will have any discretion to select which Outside Directors will be granted Options under this Section or to determine the number of Shares to be
covered by such Options (except as provided in Sections 10(f) and 13). 

  

	 	(c)	Initial Option. Each person who first becomes an Outside Director following the Registration Date will be automatically granted an Option to purchase 20,000 Shares (the
“Initial Option”) on or about the date on which such person first becomes an Outside Director, whether through election by the stockholders of the Company or appointment by the Board to fill a vacancy; provided, however, that an Inside
Director who ceases to be an Inside Director, but who remains a Director, will not receive an Initial Option; and provided, further, that the Initial Option for the existing Outside Directors on the Registration Date shall be an Option to purchase
10,000 shares, which Option shall be granted to such existing Outside Directors on or about the Registration Date. 

  

	 	(d)	Annual Option. Each Outside Director will be automatically granted an Option to purchase 3,000 Shares (an “Annual Option”) on each date of the annual meeting of the
stockholders of the Company beginning in 2006, if as of such date, he or she will have served on the Board for at least the preceding six (6) months. 

  

	 	(e)	Terms. The terms of each Option granted pursuant to this Section will be as follows: 

  

	 	(i)	The term of the Option will be ten (10) years. 

  

	 	(ii)	The exercise price per Share will be 100% of the Fair Market Value per Share on the date of grant of the Option. 

  

 14 

	 	(iii)	Subject to Section 13, the Initial Option will vest and become exercisable as to one-quarter (1/4) of the Shares upon each one (1) year anniversary of the vesting commencement date,
provided that the Participant continues to serve as a Director through each such date. 

  

	 	(iv)	Subject to Section 13, the Annual Option will vest and become exercisable as to one-half (1/2) of the Shares upon each one (1) year anniversary of the vesting commencement date,
provided that the Participant continues to serve as a Director through each such date. 

  

	 	(f)	Amendment. The Administrator in its discretion may change the number and vesting of Shares subject to the Initial Options and Annual Options. 

  

	11.	Leaves of Absence. Unless the Administrator provides otherwise, vesting of Awards granted hereunder will be suspended during any unpaid leave of absence. A Service Provider
will not cease to be an Employee in the case of (i) any leave of absence approved by the Company or (ii) transfers between locations of the Company or between the Company, its Parent, or any Subsidiary. For purposes of Incentive Stock Options, no
such leave may exceed ninety (90) days, unless reemployment upon expiration of such leave is guaranteed by statute or contract. If reemployment upon expiration of a leave of absence approved by the Company is not so guaranteed, then three (3) months
following the 91st day of such leave any Incentive Stock Option held by the Participant will cease to be treated as an Incentive Stock Option and will be treated for tax purposes as a Nonstatutory Stock Option. 

  

	12.	Transferability of Awards. Unless determined otherwise by the Administrator, an Award may not be sold, pledged, assigned, hypothecated, transferred, or disposed of in any
manner other than by will or by the laws of descent or distribution and may be exercised, during the lifetime of the Participant, only by the Participant. If the Administrator makes an Award transferable, such Award will contain such additional
terms and conditions as the Administrator deems appropriate. 

  

	13.	Adjustments; Dissolution or Liquidation; Merger or Change in Control. 

  

	 	(a)	Adjustments. In the event that any dividend or other distribution (whether in the form of cash, Shares, other securities, or other property), recapitalization, stock split,
reverse stock split, reorganization, merger, consolidation, split-up, spin-off, combination, repurchase, or exchange of Shares or other securities of the Company, or other change in the corporate structure of the Company affecting the Shares occurs,
the Administrator, in order to prevent diminution or enlargement of the benefits or potential benefits intended to be made available under the Plan, may (in its sole discretion) adjust the number and class of Shares that may be delivered under the
Plan and/or the number, class, and price of Shares covered by each outstanding Award, the numerical Share limits in Sections 3 and 6 of the Plan and the number of Shares issuable pursuant to Options to be granted under Section 10.

  

 15 

	 	(b)	Dissolution or Liquidation. In the event of the proposed dissolution or liquidation of the Company, the Administrator will notify each Participant as soon as practicable
prior to the effective date of such proposed transaction. To the extent it has not been previously exercised, an Award will terminate immediately prior to the consummation of such proposed action. 

  

	 	(c)	Change in Control. In the event of a Change in Control, each outstanding Award will be assumed or an equivalent option or right substituted by the successor corporation or a
Parent or Subsidiary of the successor corporation. In the event that the successor corporation refuses to assume or substitute for the Award, the Participant will fully vest in and have the right to exercise all of his or her outstanding Options and
Stock Appreciation Rights, including Shares as to which such Awards would not otherwise be vested or exercisable, all restrictions on Restricted Stock will lapse, and, with respect to Performance Shares and Performance Units, all performance goals
or other vesting criteria will be deemed achieved at target levels and all other terms and conditions met. In addition, if an Option or Stock Appreciation Right becomes fully vested and exercisable in lieu of assumption or substitution in the event
of a Change in Control, the Administrator will notify the Participant in writing or electronically that the Option or Stock Appreciation Right will be fully vested and exercisable for a period of time determined by the Administrator in its sole
discretion, and the Option or Stock Appreciation Right will terminate upon the expiration of such period. 

  
 For the purposes of this subsection (c), an Award will be considered assumed if, following the Change in Control, the Award confers the
right to purchase or receive, for each Share subject to the Award immediately prior to the Change in Control, the consideration (whether stock, cash, or other securities or property) or, in the case of a Stock Appreciation Right upon the exercise of
which the Administrator determines to pay cash or a Performance Share or Performance Unit which the Administrator can determine to pay in cash, the fair market value of the consideration received in the merger or Change in Control by holders of
Common Stock for each Share held on the effective date of the transaction (and if holders were offered a choice of consideration, the type of consideration chosen by the holders of a majority of the outstanding Shares); provided, however, that if
such consideration received in the Change in Control is not solely common stock of the successor corporation or its Parent, the Administrator may, with the consent of the successor corporation, provide for the consideration to be received upon the
exercise of an Option or Stock Appreciation Right or upon the payout of a Performance Share or Performance Unit, for each Share subject to such Award (or in the case of Performance Units, the number of implied shares determined by dividing the value
of the Performance Units by the per share consideration received by holders of Common Stock in the Change in Control), to be solely common stock of the successor corporation or its Parent equal in fair market value to the per share consideration
received by holders of Common Stock in the Change in Control. 
  

 16 

 Notwithstanding anything in this Section 13(c) to the contrary, an Award that vests, is
earned or paid-out upon the satisfaction of one or more performance goals will not be considered assumed if the Company or its successor modifies any of such performance goals without the Participant’s consent; provided, however, a modification
to such performance goals only to reflect the successor corporation’s post-Change in Control corporate structure will not be deemed to invalidate an otherwise valid Award assumption. 
  

	 	(d)	Termination Following Change of Control. With respect to Awards granted to an Outside Director that are assumed or substituted for, if on the date of or following such
assumption or substitution the Participant’s status as a Director or a director of the successor corporation, as applicable, is terminated other than upon a voluntary resignation by the Participant, then the Participant will fully vest in and
have the right to exercise Options and/or Stock Appreciation Rights as to all of the Optioned Stock, including Shares as to which such Awards would not otherwise be vested or exercisable, all restrictions on Restricted Stock will lapse, and, with
respect to Performance Shares and Performance Units, all performance goals or other vesting criteria will be deemed achieved at target levels and all other terms and conditions met. 

  

	14.	Tax Withholding. 

  

	 	(a)	Withholding Requirements. Prior to the delivery of any Shares or cash pursuant to an Award (or exercise thereof), the Company will have the power and the right to deduct or
withhold, or require a Participant to remit to the Company, an amount sufficient to satisfy federal, state, local, foreign or other taxes (including the Participant’s FICA obligation) required to be withheld with respect to such Award (or
exercise thereof). 

  

	 	(b)	Withholding Arrangements. The Administrator, in its sole discretion and pursuant to such procedures as it may specify from time to time, may permit a Participant to satisfy
such tax withholding obligation, in whole or in part by (a) paying cash, (b) electing to have the Company withhold otherwise deliverable cash or Shares having a Fair Market Value equal to the minimum amount required to be withheld, or (c) delivering
to the Company already-owned Shares having a Fair Market Value equal to the minimum amount required to be withheld. The amount of the withholding requirement will be deemed to include any amount which the Administrator agrees may be withheld at the
time the election is made, not to exceed the amount determined by using the maximum federal, state or local marginal income tax rates applicable to the Participant with respect to the Award on the date that the amount of tax to be withheld is to be
determined. The Fair Market Value of the Shares to be withheld or delivered will be determined as of the date that the taxes are required to be withheld. 

  

	15.	No Effect on Employment or Service. Neither the Plan nor any Award will confer upon a Participant any right with respect to continuing the Participant’s relationship as
a Service Provider with the Company, nor will they interfere in any way with the Participant’s right or the Company’s right to terminate such relationship at any time, with or without cause, to the extent permitted by Applicable Laws.

  

 17 

	16.	Date of Grant. The date of grant of an Award will be, for all purposes, the date on which the Administrator makes the determination granting such Award, or such other later
date as is determined by the Administrator. Notice of the determination will be provided to each Participant within a reasonable time after the date of such grant. 

  

	17.	Term of Plan. Subject to Section 21 of the Plan, the Plan will become effective upon its adoption by the Board. It will continue in effect for a term of ten (10) years unless
terminated earlier under Section 18 of the Plan. 

  

	18.	Amendment and Termination of the Plan. 

  

	 	(a)	Amendment and Termination. The Board may at any time amend, alter, suspend or terminate the Plan. 

  

	 	(b)	Stockholder Approval. The Company will obtain stockholder approval of any Plan amendment to the extent necessary and desirable to comply with Applicable Laws.

  

	 	(c)	Effect of Amendment or Termination. No amendment, alteration, suspension or termination of the Plan will impair the rights of any Participant, unless mutually agreed
otherwise between the Participant and the Administrator, which agreement must be in writing and signed by the Participant and the Company. Termination of the Plan will not affect the Administrator’s ability to exercise the powers granted to it
hereunder with respect to Awards granted under the Plan prior to the date of such termination. 

  

	19.	Conditions Upon Issuance of Shares. 

  

	 	(a)	Legal Compliance. Shares will not be issued pursuant to the exercise of an Award unless the exercise of such Award and the issuance and delivery of such Shares will comply
with Applicable Laws and will be further subject to the approval of counsel for the Company with respect to such compliance. 

  

	 	(b)	Investment Representations. As a condition to the exercise of an Award, the Company may require the person exercising such Award to represent and warrant at the time of any
such exercise that the Shares are being purchased only for investment and without any present intention to sell or distribute such Shares if, in the opinion of counsel for the Company, such a representation is required. 

  

	20.	Inability to Obtain Authority. The inability of the Company to obtain authority from any regulatory body having jurisdiction, which authority is deemed by the Company’s
counsel to be necessary to the lawful issuance and sale of any Shares hereunder, will relieve the Company of any liability in respect of the failure to issue or sell such Shares as to which such requisite authority will not have been obtained.

  

	21.	Stockholder Approval. The Plan will be subject to approval by the stockholders of the Company within twelve (12) months after the date the Plan is adopted. Such stockholder
approval will be obtained in the manner and to the degree required under Applicable Laws. 

  

 18 

 ATRICURE, INC. 
  
 2005 EQUITY INCENTIVE PLAN 
  

STOCK OPTION AGREEMENT 
  
 Unless otherwise defined herein, the terms defined in the 2005 Equity Incentive Plan shall have the same defined meanings in this Option Agreement. 
  

	I	NOTICE OF STOCK OPTION GRANT 

  
 Name: 
  
  
 Address: 
  
  
 You have been granted an option to purchase Common Stock of the Company, subject to the terms
and conditions of the Plan and this Option Agreement, as follows: 
  

			
	Grant Number	 	 
	Date of Grant	 	 
	Vesting Commencement Date	 	 
	Exercise Price per Share	 	 
	Total Number of Shares Granted	 	 
	Total Exercise Price	 	 
	Type of Option:	 	 Incentive Stock Option

	 	 	 Nonstatutory Stock Option

	Term/Expiration Date:	 	 

 Vesting Schedule: 
  
 This Option may be exercised, in whole or in part, in accordance with the following schedule: 
  
 Termination Period: 
  
 This Option may be exercised for [three (3) months] after Optionee ceases to be a Service Provider. Upon the death or Disability of Optionee, this Option may be
exercised for [twelve (12) months] after Optionee ceases to be a Service Provider. In no event shall this Option be exercised later than the Term/Expiration Date as provided above. 
  

	II	AGREEMENT 

  

	 	A.	Grant of Option. 

  
 The Plan Administrator of the Company hereby grants to the Optionee named in the Notice of Grant attached as Part I of this Option Agreement (the “Optionee”) an option (the “Option”) to purchase
the number of Shares, as set forth in the Notice of Grant, at the exercise price per Share set forth in the Notice of Grant (the “Exercise Price”), subject to the terms and conditions of the Plan, which is incorporated herein by reference.
Subject to Section 18(c) of the Plan, in the event of a conflict between the terms and conditions of the Plan and the terms and conditions of this Option Agreement, the terms and conditions of the Plan shall prevail. 
  
 If designated in the Notice of Grant as an Incentive Stock Option (“ISO”), this
Option is intended to qualify as an Incentive Stock Option under Section 422 of the Code. However, if this Option is intended to be an Incentive Stock Option, to the extent that it exceeds the $100,000 rule of Code Section 422(d) it shall be treated
as a Nonstatutory Stock Option (“NSO”). 
  

	 	B.	Exercise of Option. 

  
 (a) Right to Exercise. This Option is exercisable during its term in accordance with the Vesting Schedule set out in the Notice of Grant and the applicable provisions of the Plan and this Option Agreement.

  
 (b) Method of Exercise. This Option is exercisable by delivery of an
exercise notice, in the form attached as Exhibit A (the “Exercise Notice”), which shall state the election to exercise the Option, the number of Shares in respect of which the Option is being exercised (the “Exercised Shares”),
and such other representations and agreements as may be required by the Company pursuant to the provisions of the Plan. The Exercise Notice shall be completed by the Optionee and delivered to the Company. The Exercise Notice shall be accompanied by
payment of the aggregate Exercise Price as to all Exercised Shares. This Option shall be deemed to be exercised upon receipt by the Company of such fully executed Exercise Notice accompanied by such aggregate Exercise Price. No Shares shall be
issued pursuant to the exercise of this Option unless such issuance and exercise complies with Applicable Laws. Assuming such compliance, for income tax purposes the Exercised Shares shall be considered transferred to the Optionee on the date the
Option is exercised with respect to such Exercised Shares. 

	 	C.	Method of Payment. 

  
 Payment of the aggregate Exercise Price shall be by any of the following, or a combination thereof, at the election of the Optionee: 
  
 1. cash; 
  
 2. check; 
  
 3. consideration received by the Company under a cashless exercise program implemented by the Company in connection with the Plan; or 
  
 4. surrender of other Shares, which in the case of Shares acquired from the Company, (i) have been owned by the Optionee for more than six
(6) months on the date of surrender, and (ii) have a Fair Market Value on the date of surrender equal to the aggregate Exercise Price of the Exercised Shares. 
  

	 	D.	Non-Transferability of Option. 

  
 This Option may not be transferred in any manner otherwise than by will or by the laws of descent or distribution and may be exercised during the lifetime of Optionee
only by the Optionee. The terms of the Plan and this Option Agreement shall be binding upon the executors, administrators, heirs, successors and assigns of the Optionee. 
  

	 	E.	Term of Option. 

  
 This Option may be exercised only within the term set out in the Notice of Grant, and may be exercised during such term only in accordance with the Plan
and the terms of this Option Agreement. 
  

	 	F.	Tax Obligations. 

  
 1. Withholding Taxes. Optionee agrees to make appropriate arrangements with the Company (or the Parent or Subsidiary employing or retaining Optionee) for the satisfaction of all Federal, state, and local income
and employment tax withholding requirements applicable to the Option exercise. Optionee acknowledges and agrees that the Company may refuse to honor the exercise and refuse to deliver Shares if such withholding amounts are not delivered at the time
of exercise. 
  
 2. Notice of Disqualifying Disposition of ISO Shares. If
the Option granted to Optionee herein is an ISO, and if Optionee sells or otherwise disposes of any of the Shares acquired pursuant to the ISO on or before the later of (a) the date two (2) years after the Date of Grant, or (b) the date one (1) year
after the date of exercise, the Optionee shall immediately notify the Company in writing of such disposition. Optionee agrees that Optionee may be subject to income tax withholding by the Company on the compensation income recognized by the
Optionee. 

	 	G.	Entire Agreement; Governing Law. 

  
 The Plan is incorporated herein by reference. The Plan and this Option Agreement constitute the entire agreement of the parties with respect to the subject matter hereof
and supersede in their entirety all prior undertakings and agreements of the Company and Optionee with respect to the subject matter hereof, and may not be modified adversely to the Optionee’s interest except by means of a writing signed by the
Company and Optionee. This agreement is governed by the internal substantive laws, but not the choice of law rules, of Ohio. 
  

	 	H.	NO GUARANTEE OF CONTINUED SERVICE. 

  
 OPTIONEE ACKNOWLEDGES AND AGREES THAT THE VESTING OF SHARES PURSUANT TO THE VESTING SCHEDULE HEREOF IS EARNED ONLY BY CONTINUING AS A SERVICE PROVIDER AT THE WILL OF THE
COMPANY (AND NOT THROUGH THE ACT OF BEING HIRED, BEING GRANTED AN OPTION OR PURCHASING SHARES HEREUNDER). OPTIONEE FURTHER ACKNOWLEDGES AND AGREES THAT THIS AGREEMENT, THE TRANSACTIONS CONTEMPLATED HEREUNDER AND THE VESTING SCHEDULE SET FORTH HEREIN
DO NOT CONSTITUTE AN EXPRESS OR IMPLIED PROMISE OF CONTINUED ENGAGEMENT AS A SERVICE PROVIDER FOR THE VESTING PERIOD, FOR ANY PERIOD, OR AT ALL, AND SHALL NOT INTERFERE WITH OPTIONEE’S RIGHT OR THE COMPANY’S RIGHT TO TERMINATE
OPTIONEE’S RELATIONSHIP AS A SERVICE PROVIDER AT ANY TIME, WITH OR WITHOUT CAUSE. 

 By your signature and the signature of the Company’s representative below, you and the Company agree that this
Option is granted under and governed by the terms and conditions of the Plan and this Option Agreement. Optionee has reviewed the Plan and this Option Agreement in their entirety, has had an opportunity to obtain the advice of counsel prior to
executing this Option Agreement and fully understands all provisions of the Plan and Option Agreement. Optionee hereby agrees to accept as binding, conclusive and final all decisions or interpretations of the Administrator upon any questions
relating to the Plan and Option Agreement. Optionee further agrees to notify the Company upon any change in the residence address indicated below. 
  

					
	OPTIONEE:	 	ATRICURE, INC.
			
	  

	 	By:	 	  

	Signature	 	 	 	 
			
	  

	 	 	 	  

	 	 	 	 	Title
			
	  

	 	 	 	 
	Residence Address	 	 	 	 

 EXHIBIT A 
  
 ATRICURE, INC. 
  
 2005 EQUITY INCENTIVE PLAN 
  
 EXERCISE NOTICE 
  
 AtriCure, Inc. 
 6033 Schumacher Park Drive 
 West Chester, Ohio 45069 
  
 Attention: Chief Financial Officer 
  
 1.
Exercise of Option. Effective as of today,                     ,
            , the undersigned (“Purchaser”) hereby elects to purchase
                     shares (the “Shares”) of the Common Stock of AtriCure, Inc. (the “Company”) under and pursuant to the
2005 Equity Incentive Plan (the “Plan”) and the Stock Option Agreement dated,              (the “Option Agreement”). The purchase price for the Shares shall be
$            , as required by the Option Agreement. 
  
 2. Delivery of Payment. Purchaser herewith delivers to the Company the full purchase price for the Shares and any required withholding taxes to be paid in
connection with the exercise of the Option. 
  
 3. Representations of
Purchaser. Purchaser acknowledges that Purchaser has received, read and understood the Plan and the Option Agreement and agrees to abide by and be bound by their terms and conditions. 
  
 4. Rights as Shareholder. Until the issuance (as evidenced by the appropriate entry on the books of the Company or of a duly
authorized transfer agent of the Company) of the Shares, no right to vote or receive dividends or any other rights as a shareholder shall exist with respect to the Optioned Stock, notwithstanding the exercise of the Option. The Shares so acquired
shall be issued to the Optionee as soon as practicable after exercise of the Option. No adjustment will be made for a dividend or other right for which the record date is prior to the date of issuance, except as provided in Section 13 of the Plan.

  
 5. Tax Consultation. Purchaser understands that Purchaser may suffer
adverse tax consequences as a result of Purchaser’s purchase or disposition of the Shares. Purchaser represents that Purchaser has consulted with any tax consultants Purchaser deems advisable in connection with the purchase or disposition of
the Shares and that Purchaser is not relying on the Company for any tax advice. 
  
 6. Entire Agreement; Governing Law. The Plan and Option Agreement are incorporated herein by reference. This Agreement, the Plan and the Option Agreement constitute the entire agreement of the parties with respect to the subject
matter hereof and supersede in their entirety all prior undertakings and agreements of the Company and Purchaser with respect to the subject 

 
matter hereof, and may not be modified adversely to the Purchaser’s interest except by means of a writing signed by the Company and Purchaser. This
agreement is governed by the internal substantive laws, but not the choice of law rules, of Ohio. 
  

					
	Submitted by:	 	Accepted by:
		
	OPTIONEE:	 	ATRICURE, INC.
			
	  

	 	By:	 	  

	Signature	 	 	 	 
			
	  

	 	 	 	  

	Print Name	 	 	 	Title
		
	Address:	 	Address:
		
	  

	 	6033 Schumacher Park Drive
	  

	 	West Chester, Ohio 45069
		
	 	 	  

	 	 	Date Received

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