BOARDWALK PIPELINE PARTNERS

CUSIP: 096627104 Class: UT LTD PARTNER

Advisors Asset Management, Inc.'s Holding History (CIK: 0001297376)

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

Q1 2015
Shares 15,945 Value ($000) $257 Avg Close — Range —
Q4 2014
Shares 38,874 Value ($000) $691 Avg Close — Range —
Q3 2014
Shares 72,947 Value ($000) $1,364 Avg Close — Range —
Q2 2014
Shares 116,204 Value ($000) $2,150 Avg Close — Range —
Q1 2014
Shares 132,925 Value ($000) $1,783 Avg Close — Range —
Q4 2013
Shares 152,388 Value ($000) $3,889 Avg Close — Range —
Q3 2013
Shares 176,456 Value ($000) $5,359 Avg Close — Range —
Q2 2013
Shares 185,396 Value ($000) $5,599 Avg Close — Range —