SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

SCHRODER INVESTMENT MANAGEMENT GROUP's Holding History (CIK: 0001086619)

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

Q3 2019

Shares 563,129 Value ($000) $2,872 Avg Close $3.95 Range $3.60 - $4.45

Q2 2019

Shares 565,729 Value ($000) $3,213 Avg Close $4.05 Range $3.68 - $4.62

Q1 2019

Shares 574,829 Value ($000) $3,455 Avg Close $4.91 Range $4.04 - $5.92

Q4 2018

Shares 66,571 Value ($000) $526 Avg Close $4.19 Range $3.43 - $5.81

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	563,129	$2,872	$3.95	$3.60 - $4.45
Q2 2019	565,729	$3,213	$4.05	$3.68 - $4.62
Q1 2019	574,829	$3,455	$4.91	$4.04 - $5.92
Q4 2018	66,571	$526	$4.19	$3.43 - $5.81