SIRIUS XM RADIO INC

CUSIP: 82967N108 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2013
Shares 247,000 Value ($000) $957 Avg Close — Range —
Q2 2013
Shares 185,010 Value ($000) $620 Avg Close — Range —