RADIOSHACK CORP

CUSIP: 750438103 Class: COMMON STOCK

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

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

Q1 2015
Shares 31,166 Value ($000) $5 Avg Close — Range —
Q4 2013
Shares 93,686 Value ($000) $244 Avg Close — Range —
Q3 2013
Shares 274,075 Value ($000) $935 Avg Close — Range —