POWERSHARES ETF TRUST

CUSIP: 73935X153 Class: DWA MOMENTUM PTF

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q3 2013
Shares 7,307 Value ($000) $247 Avg Close — Range —
Q2 2013
Shares 9,123 Value ($000) $285 Avg Close — Range —