EDITAS MEDICINE INC

Ticker: EDIT CUSIP: 28106W103 Class: Stock

EDMOND DE ROTHSCHILD HOLDING S.A.'s Holding History (CIK: 0001649647)

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

Q1 2018

Shares 1,500 Value ($000) $50 Avg Close $35.63 Range $27.00 - $45.02

Q4 2017

Shares 1,500 Value ($000) $46 Avg Close $25.18 Range $20.29 - $32.85

Q3 2017

Shares 1,500 Value ($000) $36 Avg Close $19.03 Range $15.28 - $24.50

Q2 2017

Shares 1,500 Value ($000) $25 Avg Close $18.02 Range $13.12 - $22.74

Q1 2017

Shares 1,500 Value ($000) $33 Avg Close $20.72 Range $16.30 - $29.20

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	1,500	$50	$35.63	$27.00 - $45.02
Q4 2017	1,500	$46	$25.18	$20.29 - $32.85
Q3 2017	1,500	$36	$19.03	$15.28 - $24.50
Q2 2017	1,500	$25	$18.02	$13.12 - $22.74
Q1 2017	1,500	$33	$20.72	$16.30 - $29.20