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8-K - 8-K - YIELD10 BIOSCIENCE, INC.mblx-december72016x8k.htm


Exhibit 16.1



[PricewaterhouseCoopers LLP logo]





January 5, 2017

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Commissioners:

We have read the statements made by Metabolix, Inc. (copy attached) which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Metabolix dated January 3, 2017. We agree with the statements concerning our Firm in such Form 8-K.

Very truly yours,

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP