SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

APPLETON PARTNERS INC/MA's Holding History (CIK: 0001055290)

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

Q3 2017

Shares 14,915 Value ($000) $47 Avg Close $2.27 Range $2.09 - $2.48

Q2 2017

Shares 14,915 Value ($000) $45 Avg Close $2.48 Range $2.20 - $2.84

Q1 2017

Shares 15,555 Value ($000) $49 Avg Close $2.24 Range $2.05 - $2.49

Q4 2016

Shares 11,635 Value ($000) $34 Avg Close $1.94 Range $1.39 - $2.45

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	14,915	$47	$2.27	$2.09 - $2.48
Q2 2017	14,915	$45	$2.48	$2.20 - $2.84
Q1 2017	15,555	$49	$2.24	$2.05 - $2.49
Q4 2016	11,635	$34	$1.94	$1.39 - $2.45