BOARDWALK PIPELINE PARTNERS

CUSIP: 096627104 Class: UT LTD PARTNER

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2017
Shares 32,990 Value ($000) $485 Avg Close — Range —
Q2 2017
Shares 105,740 Value ($000) $1,904 Avg Close — Range —
Q1 2017
Shares 110,840 Value ($000) $2,029 Avg Close — Range —
Q4 2016
Shares 115,885 Value ($000) $2,012 Avg Close — Range —
Q3 2016
Shares 115,885 Value ($000) $1,989 Avg Close — Range —
Q2 2016
Shares 185,185 Value ($000) $3,231 Avg Close — Range —
Q1 2016
Shares 185,185 Value ($000) $2,730 Avg Close — Range —
Q4 2015
Shares 177,900 Value ($000) $2,309 Avg Close — Range —
Q3 2015
Shares 79,500 Value ($000) $936 Avg Close — Range —
Q2 2013
Shares 18,600 Value ($000) $562 Avg Close — Range —