Confidential

October 16, 2006

Mr. Steven Kim
1969 Farndon Avenue
Los Altos, CA 94024
Dear Steve,
On behalf of Foundry Newco X (the “Company”), I am pleased to offer you the
position of Entrepreneur in Residence (EIR), reporting to me as President & CEO.
The terms of your relationship with the Company will be as indicated herein.
1.You will become the Entrepreneur in Residence. As such, you will have
responsibilities as determined by me, primarily relating to assisting The
Foundry team in the identification and evaluation of new ideas as the potential
technology basis for Newco X. Once the technology has been identified, you also
have the responsibility of managing the design and development efforts for the
Company.
2.    You will be paid a base monthly salary of $17,916.67. This salary will be
paid at the end of each month (subject to normal required withholding). Since
this is a salaried position, there will be no overtime pay.
3.    You will accrue 10 hours of paid time off per month.
4.    The Company will recommend that its Board of Directors grant you an
employee incentive stock option to purchase 250,000 shares of Common Stock
(equivalent to 2.5% of the shares outstanding as of your start date). The option
will have an exercise price equal to the fair market value of such Common stock
on the date of board approval. The option will vest 25% on your one‑year
anniversary, and then at a rate of 1/48th per month, with the option being fully
vested after four (4) years from your date of hire.
5.    The Company will pay your COBRA benefits or the equivalent until such time
as a policy for major medical, Dental and Life insurance is available through
the Company.
6.    You will sign the Company’s standard Employee Agreement (which will also
be provided to you shortly) prior to the initiation of your employment. In
addition, you will abide by the Company’s policy that prohibits any new employee
from bringing with him or her from any previous

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employer any confidential information, trade secrets, or proprietary materials
or processes of such former employer.
7.    You will agree to follow the Company’s policy that employees must not
disclose any information regarding salary, bonuses, or stock purchase or option
allocations to other employees, either directly or indirectly.
8.    You will be an employee-at-will, where either party, with or without
notice, and with or without cause, may terminate employment at any time.
9.    Your start date will be as soon as mutually acceptable, but will not be
later than Monday, November 6, 2006.
10.    In accordance with Federal regulations, please bring proof of your
identity and authorization to work in the U.S. when you begin work. This
documentation must be provided no later than your third working day.
11.    This offer will remain open until close of business on Monday,
October 23, 2006, and constitutes the entire agreement between the parties,
superseding all other agreements or understanding, except for the Non-Disclosure
Agreement you signed with the Company.
Steve, I am extremely pleased to extend you this offer, and look forward to the
opportunity of working closely with you to make Foundry Newco X an exciting and
successful venture.

 
Sincerely,
 
 
 
/s/ Hanson S. Gifford, III
 
Hanson S. Gifford, III
 
President & CEO

The foregoing terms are hereby understood and accepted:
Signed: /s/ Steven Kim    
Date: 10/17/06