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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1571498	Epizyme Inc.	EPZM	Pharmaceutical Preparations (2834)	261349956

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1184592	C Beth Seidenberg	2750 Sand Hill Road Menlo Park CA 94025		Yes	No	Yes	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2014-02-10	388,584	$27.64	3,838,167	No	4	S	Indirect	See Footnotes

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnotes

Footnotes

The shares are directly held by Kleiner Perkins Caufield & Byers XIII, LLC ("KPCB XIII"). All shares are held for convenience in the name of "KPCB Holdings, Inc., as nominee". The managing member of KPCB XIII is KPCB XIII Associates, LLC ("XIII Associates"). The voting and dispositive control over the shares is shared by individual managing directors of XIII Associates, including the Reporting Person, none of whom has veto power. Excludes 277,388 shares of Common Stock beneficially owned by individuals and entities associated with Kleiner Perkins Caufield & Byers and held for convenience in the name of "KPCB Holdings, Inc. as nominee," for the accounts of such individuals and entities who each exercise their own voting and dispositive control over such shares.
The Reporting Person disclaims beneficial ownership over all Issuer shares held for convenience in the name of "KPCB Holdings, Inc. as nominee," except to the extent of her pecuniary interest therein and this filing is not an admission that the Reporting Person is the beneficial owner of these shares for the purposes of Section 16 or for any other purpose.