POWERSHARES ETF TRUST

CUSIP: 73935X278 Class: EXCHANGE TRADED

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

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

Q1 2018
Shares 15,700 Value ($000) $674 Avg Close — Range —
Q4 2017
Shares 15,700 Value ($000) $664 Avg Close — Range —
Q3 2017
Shares 15,700 Value ($000) $649 Avg Close — Range —
Q2 2017
Shares 15,700 Value ($000) $605 Avg Close — Range —
Q1 2017
Shares 15,700 Value ($000) $558 Avg Close — Range —
Q4 2016
Shares 15,700 Value ($000) $513 Avg Close — Range —
Q3 2016
Shares 15,700 Value ($000) $520 Avg Close — Range —
Q2 2016
Shares 15,700 Value ($000) $465 Avg Close — Range —
Q1 2016
Shares 15,700 Value ($000) $473 Avg Close — Range —
Q4 2015
Shares 15,700 Value ($000) $462 Avg Close — Range —
Q3 2015
Shares 15,700 Value ($000) $414 Avg Close — Range —
Q2 2015
Shares 15,700 Value ($000) $478 Avg Close — Range —
Q1 2015
Shares 15,700 Value ($000) $472 Avg Close — Range —
Q4 2014
Shares 15,700 Value ($000) $455 Avg Close — Range —
Q3 2014
Shares 15,700 Value ($000) $460 Avg Close — Range —
Q2 2014
Shares 15,700 Value ($000) $516 Avg Close — Range —
Q1 2014
Shares 15,700 Value ($000) $512 Avg Close — Range —
Q4 2013
Shares 15,700 Value ($000) $499 Avg Close — Range —
Q3 2013
Shares 15,700 Value ($000) $455 Avg Close — Range —
Q2 2013
Shares 15,700 Value ($000) $398 Avg Close — Range —