SANGAMO THERAPEUTICS INC

Ticker: SGMO CUSIP: 800677106 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q3 2017

Shares 653,000 Value ($000) $9,795 Avg Close $11.05 Range $8.00 - $15.30

Q2 2017

Shares 1,094,305 Value ($000) $9,630 Avg Close $6.42 Range $4.05 - $9.65

Q1 2017

Shares 837,963 Value ($000) $4,357 Avg Close $4.01 Range $3.00 - $5.25

Q4 2016

Shares 837,963 Value ($000) $2,556 Avg Close $3.64 Range $2.65 - $4.87

Q3 2014

Shares 50,000 Value ($000) $539 Avg Close $13.06 Range $10.63 - $16.72

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	653,000	$9,795	$11.05	$8.00 - $15.30
Q2 2017	1,094,305	$9,630	$6.42	$4.05 - $9.65
Q1 2017	837,963	$4,357	$4.01	$3.00 - $5.25
Q4 2016	837,963	$2,556	$3.64	$2.65 - $4.87
Q3 2014	50,000	$539	$13.06	$10.63 - $16.72