Offer Letter to Keith Pattison



 Exhibit 10.27 
 



 
 September 9, 2009 
 Mr. Keith Pattison 
 3 Wyeth Road 
 Hanover, NH 03755 
  

	 	Re:	Employment Offer – Vice President, Finance 

 Dear Keith: 
 I am delighted to confirm the terms of which you will be employed by
Mascoma Corporation (the “Company”). 
 1. Position. You will serve as Vice President, Finance for the Company
reporting directly to Jim Flatt, Acting President, EVP, Research & Development & Operations. As a full-time employee of the Company, you will be expected to devote your full business time and energies to the business and affairs of
the Company. 
 2. Starting Date. It is expected that your employment will begin on October 12, 2009 (the
“Start Date”). 
 3. Salary. As an employee of the Company, you will be paid a bi-weekly salary at a rate of
$6,923.07 ($180,000 per annum). Such salary will be payable in accordance with the Company’s normal payment schedule for its employees. 
 4. Performance Bonus Compensation. During your employment, you may be considered annually for a performance bonus. Currently, your anticipated performance bonus target will be 25% percent of your
earned income. An additional component of the bonus plan that can provide a significant upside to the target bonus may be available based on outstanding corporate or personal performance. Performance bonus compensation in any year, if any, will be
determined by the Board of Directors of the Company (the “Board”) based on your performance and that of the Company, relative to milestones to be agreed upon between you and your manager, and otherwise in accordance with the general
employee bonus program agreed upon by the Mascoma Board’s Compensation Committee. 
 5. Stock Options. At the next
regular meeting of the Board following the Start Date, it is anticipated that you will be awarded a grant of options to purchase 150,000 (one hundred fifty thousand) shares of the common stock of the Company at a purchase price equal to the fair
market value of the Company’s common stock, as determined by the Board, subject to the terms of the Company’s standard form of incentive stock option agreement You will receive such stock options only if you execute and deliver all stock
option agreements, signature pages and other documents that the Company requests in connection with your grant and the foregoing grant will become effective only following such execution and delivery. 

You will also be eligible to receive additional grants from time to time as the Board may award in its discretion. 

Mascoma Corporation    67 Etna Road    Suite 300    Lebanon, NH
03766    603.676.3320    www.mascoma.com 








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 6. Benefits; Vacation; Withholding. You will be entitled to participate in
health, insurance, pension, and other benefits provided to other employees of Mascoma of similar seniority on terms no less favorable than those available to such employees of Mascoma generally. Your participation will be subject to the terms of the
applicable plan documents and generally applicable Company policies. The Company retains the right to change, add or terminate any particular benefit 
 You will be entitled to earn vacation in accordance with the Company’s policies from time to time in effect, in addition to holidays observed by the Company, subject to a minimum entitlement of three
weeks vacation and ten paid holidays per year. Vacation may be taken at such times and intervals as you shall determine, subject to the business needs of the Company, and otherwise shall be subject to the policies of the Company, as in effect from
time to time. 
 You understand that the Company will deduct from any payments it otherwise is to make to you pursuant to the
terms of this letter agreement or otherwise any withholding taxes and other deductions required by law. 
 7. Term and
Termination. Your employment with the Company is an “at-will” employment and may be terminated by either party at any time for any reason, with or without cause, without notice and without any further compensation. 

Except for any right you may have under applicable law to continue participation in the Company’s group health and dental plans
under COBRA, or any successor law, benefits shall terminate in accordance with the terms of the applicable benefit plans based on the date of termination of your employment 
 Vesting of any stock options which the Company may have granted to you shall cease immediately upon any termination of your employment with the Company for any reason. Vested stock options may be
exercised up to 90 days following termination without Cause (as defined in an Incentive Stock Option agreement to be executed by you as a condition to the receipt of any stock options) or for up to 180 days in case of death or total and permanent
disability, subject to the terms of your Incentive Stock Option agreement. 
 Provisions of this letter agreement shall survive
any termination if so provided in this letter agreement or if necessary or desirable to accomplish the purposes of other surviving provisions, including, without limitation, your obligations under the Confidentiality and Developments 

Agreement and Noncompetition Agreement, each of which you will execute as a condition to your employment under this letter agreement

 8. Conditions to Employment. You agree that the following items are conditions to your employment with the Company:

 (a) The Immigration Reform and Control Act of 1986 requires employers to verify the employment eligibility and identity of
new employees by requiring such employees to complete an Employment Eligibility Form I-9, which is enclosed. Please complete and return it and the appropriate required documents listed on the form. This offer of employment is contingent upon
compliance with the Immigration Act of 1986. 
 (b) Your execution and delivery of the enclosed Confidentiality
and Developments Agreement. 
 (c) Your execution and delivery of the enclosed Noncompetition Agreement.









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 Offer Letter – Pattison, Keith 
  

 This offer of employment will expire on September 15, 2009 unless accepted by you
prior to such date. 
 We look forward to your service with the Company and are pleased that you will be working with us.

  

			
	Sincerely,
	
	MASCOMA CORPORATION
		
	By:	 	 /s/ Regina De Tore

		
		 	Regina De Tore
		 	Vice President, Human Resources


  

			
	Agreed and Accepted:
	
	 /s/ Keith Pattison

	Keith Pattison
		
	Date:	 	 9 10 2009