EFTA01143418Set 9
2012-09-1056p15,098w
President and Chief Executive Officer
•"Signature Page — Investors' Rights Agreement•"
EFTA01143447
INVESTORS:
THIRD ROCK VENTURES, LP.
By: Third Rock Ventures GP, L.P., its general
partner
By: TR eneral partner
https://www.justice.gov/epstein/files/DataSet%209/EFTA01143418.pdf