SIRIUS XM RADIO INC

CUSIP: 82967N108 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2013
Shares 2,348,296 Value ($000) $9,089 Avg Close — Range —
Q2 2013
Shares 2,449,095 Value ($000) $8,208 Avg Close — Range —