BOARDWALK PIPELINE PARTNERS

CUSIP: 096627104 Class: UT LTD PARTNER

PIN OAK INVESTMENT ADVISORS INC's Holding History (CIK: 0001094584)

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

Q1 2018
Shares 333 Value ($000) $3 Avg Close — Range —
Q4 2017
Shares 714 Value ($000) $9 Avg Close — Range —