POWERSHARES GLOBAL ETF TRUST

CUSIP: 73936T615 Class: GBL CLEAN ENER

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

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

Q1 2018
Shares 72,534 Value ($000) $935 Avg Close — Range —
Q4 2017
Shares 73,994 Value ($000) $972 Avg Close — Range —
Q3 2017
Shares 72,769 Value ($000) $921 Avg Close — Range —
Q2 2017
Shares 72,769 Value ($000) $867 Avg Close — Range —
Q1 2017
Shares 77,229 Value ($000) $864 Avg Close — Range —
Q4 2016
Shares 77,929 Value ($000) $811 Avg Close — Range —
Q3 2016
Shares 75,879 Value ($000) $845 Avg Close — Range —
Q2 2016
Shares 56,524 Value ($000) $601 Avg Close — Range —
Q1 2016
Shares 56,524 Value ($000) $612 Avg Close — Range —
Q4 2015
Shares 56,144 Value ($000) $641 Avg Close — Range —
Q3 2015
Shares 56,904 Value ($000) $603 Avg Close — Range —
Q2 2015
Shares 48,444 Value ($000) $616 Avg Close — Range —
Q1 2015
Shares 51,144 Value ($000) $642 Avg Close — Range —
Q4 2014
Shares 48,054 Value ($000) $554 Avg Close — Range —
Q3 2014
Shares 45,729 Value ($000) $590 Avg Close — Range —
Q2 2014
Shares 47,784 Value ($000) $666 Avg Close — Range —
Q1 2014
Shares 44,889 Value ($000) $606 Avg Close — Range —
Q4 2013
Shares 48,889 Value ($000) $590 Avg Close — Range —
Q3 2013
Shares 51,539 Value ($000) $590 Avg Close — Range —
Q2 2013
Shares 52,859 Value ($000) $515 Avg Close — Range —