POWERSHARES QQQ TRUST

CUSIP: 73935A104 Class: COM

YHB Investment Advisors, Inc.'s Holding History (CIK: 0001469219)

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

Q2 2015
Shares 7,954 Value ($000) $852 Avg Close — Range —
Q1 2015
Shares 7,804 Value ($000) $824 Avg Close — Range —
Q4 2014
Shares 7,579 Value ($000) $783 Avg Close — Range —
Q3 2014
Shares 7,354 Value ($000) $727 Avg Close — Range —
Q2 2014
Shares 7,399 Value ($000) $695 Avg Close — Range —
Q1 2014
Shares 7,395 Value ($000) $648 Avg Close — Range —
Q4 2013
Shares 7,145 Value ($000) $628 Avg Close — Range —
Q3 2013
Shares 6,170 Value ($000) $487 Avg Close — Range —
Q2 2013
Shares 5,645 Value ($000) $402 Avg Close — Range —