ARBITRON INC

CUSIP: 03875Q108 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q2 2013
Shares 24,365 Value ($000) $1,131 Avg Close — Range —
Q1 2013
Shares 23,865 Value ($000) $1,118 Avg Close — Range —