ISHARES TR

Ticker: TLT CUSIP: 464287432 Class: 20 YR TR BD ETF

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2017
Shares 5,698 Value ($000) $723 Avg Close — Range —
Q3 2017
Shares 6,798 Value ($000) $848 Avg Close — Range —