ASCENT SOLAR TECHNOLOGIES IN

CUSIP: 43635309 Class: COM NEW

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2015
Shares 2,300 Value ($000) $3 Avg Close — Range —
Q4 2014
Shares 2,200 Value ($000) $2 Avg Close — Range —