RADIOSHACK CORP

CUSIP: 750438103 Class: COMMON STOCK

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2014
Shares 81,300 Value ($000) $172 Avg Close — Range —
Q4 2013
Shares 152,100 Value ($000) $395 Avg Close — Range —