SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

VAN DEN BERG MANAGEMENT I, INC's Holding History (CIK: 0001142062)

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

Q3 2013

Shares 14,375 Value ($000) $55 Avg Close $2.51 Range $2.06 - $2.93

Q2 2013

Shares 16,000 Value ($000) $45 Avg Close $2.46 Range $1.99 - $2.93

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2013	14,375	$55	$2.51	$2.06 - $2.93
Q2 2013	16,000	$45	$2.46	$1.99 - $2.93