SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

COMMERCE BANK's Holding History (CIK: 0001009076)

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

Q1 2014

Shares 17,000 Value ($000) $53 Avg Close $2.42 Range $2.15 - $2.83

Q4 2013

Shares 17,000 Value ($000) $56 Avg Close $2.47 Range $2.12 - $3.04

Q3 2013

Shares 17,000 Value ($000) $65 Avg Close $2.51 Range $2.06 - $2.93

Q2 2013

Shares 17,000 Value ($000) $49 Avg Close $2.46 Range $1.99 - $2.93

Q1 2013

Shares 17,000 Value ($000) $61 Avg Close $2.54 Range $1.98 - $3.37

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	17,000	$53	$2.42	$2.15 - $2.83
Q4 2013	17,000	$56	$2.47	$2.12 - $3.04
Q3 2013	17,000	$65	$2.51	$2.06 - $2.93
Q2 2013	17,000	$49	$2.46	$1.99 - $2.93
Q1 2013	17,000	$61	$2.54	$1.98 - $3.37