BOARDWALK PIPELINE PARTNERS

CUSIP: 096627104 Class: UT LTD PARTNER

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2016
Shares 240,400 Value ($000) $4,173 Avg Close — Range —
Q3 2015
Shares 69,123 Value ($000) $814 Avg Close — Range —
Q3 2014
Shares 557,457 Value ($000) $10,424 Avg Close — Range —
Q2 2014
Shares 381,887 Value ($000) $7,065 Avg Close — Range —