POWERSHARES ETF TRUST

CUSIP: 73935X146 Class: NASD INTNT ETF

BOKF, NA's Holding History (CIK: 0000009634)

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

Q2 2015
Shares 2,980 Value ($000) $219 Avg Close — Range —
Q1 2015
Shares 2,980 Value ($000) $209 Avg Close — Range —
Q3 2014
Shares 2,980 Value ($000) $204 Avg Close — Range —