BOARDWALK PIPELINE PARTNERS

CUSIP: 096627104 Class: UT LTD PARTNER

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q2 2017
Shares 84,774 Value ($000) $1,527 Avg Close — Range —
Q1 2017
Shares 92,880 Value ($000) $1,701 Avg Close — Range —
Q4 2016
Shares 120,030 Value ($000) $2,084 Avg Close — Range —
Q3 2015
Shares 24,571 Value ($000) $289 Avg Close — Range —
Q2 2015
Shares 25,111 Value ($000) $365 Avg Close — Range —
Q1 2015
Shares 25,111 Value ($000) $404 Avg Close — Range —
Q4 2014
Shares 19,726 Value ($000) $351 Avg Close — Range —