13D Filing: Polaris Venture Partners VI, L.P. and Editas Medicine Inc (EDIT)

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CUSIP No. 28106W103

DAVID BARRETT
By: *
David Barrett
AMIR NASHAT
By: *
Amir Nashat
BRYCE YOUNGREN
By: *
Bryce Youngren
*By: /s/ Max Eisenberg

Name:

Max Eisenberg

Attorney-in-Fact

[This Schedule 13D was executed pursuant to a Power of Attorney. Note that copies of the applicable Powers of Attorney are
already on file with the appropriate agencies.]

Follow Editas Medicine Inc.

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