EDITAS MEDICINE INC

Ticker: EDIT CUSIP: 28106W103 Class: Stock

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018

Shares 10,225 Value ($000) $233 Avg Close $27.21 Range $17.80 - $32.46

Q3 2018

Shares 18,225 Value ($000) $580 Avg Close $32.31 Range $26.00 - $38.77

Q2 2018

Shares 18,225 Value ($000) $653 Avg Close $35.41 Range $31.12 - $41.43

Q1 2018

Shares 10,125 Value ($000) $336 Avg Close $35.63 Range $27.00 - $45.02

Q1 2017

Shares 35,000 Value ($000) $781 Avg Close $20.72 Range $16.30 - $29.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	10,225	$233	$27.21	$17.80 - $32.46
Q3 2018	18,225	$580	$32.31	$26.00 - $38.77
Q2 2018	18,225	$653	$35.41	$31.12 - $41.43
Q1 2018	10,125	$336	$35.63	$27.00 - $45.02
Q1 2017	35,000	$781	$20.72	$16.30 - $29.20