SIGA TECHNOLOGIES INC

Ticker: SIGA CUSIP: 826917106 Class: Common Stock

Potomac Capital Management, Inc.'s Holding History (CIK: 0001418746)

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

Q3 2015
Shares 371,526 Value ($000) $438 Avg Close $0.92 Range $0.74 - $1.09
Q2 2015
Shares 371,526 Value ($000) $479 Avg Close $1.25 Range $0.94 - $1.51
Q1 2015
Shares 371,526 Value ($000) $721 Avg Close $1.37 Range $0.99 - $1.96
Q4 2014
Shares 435,976 Value ($000) $628 Avg Close $1.11 Range $0.97 - $1.31
Q3 2014
Shares 452,776 Value ($000) $654 Avg Close $1.43 Range $0.72 - $2.13
Q2 2014
Shares 455,776 Value ($000) $1,285 Avg Close $2.05 Range $1.82 - $2.37
Q1 2014
Shares 430,776 Value ($000) $1,335 Avg Close $2.42 Range $2.15 - $2.83
Q4 2013
Shares 430,776 Value ($000) $1,409 Avg Close $2.47 Range $2.12 - $3.04