BOARDWALK PIPELINE PARTNERS

CUSIP: 096627104 Class: UT LTD PARTNER

Texas Yale Capital Corp.'s Holding History (CIK: 0001332342)

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

Q1 2018
Shares 30,045 Value ($000) $305 Avg Close — Range —
Q4 2017
Shares 32,545 Value ($000) $420 Avg Close — Range —
Q3 2015
Shares 10,865 Value ($000) $128 Avg Close — Range —
Q2 2015
Shares 10,865 Value ($000) $158 Avg Close — Range —
Q1 2015
Shares 10,865 Value ($000) $175 Avg Close — Range —
Q4 2014
Shares 10,865 Value ($000) $193 Avg Close — Range —
Q3 2014
Shares 34,910 Value ($000) $653 Avg Close — Range —
Q2 2014
Shares 57,305 Value ($000) $1,060 Avg Close — Range —
Q1 2014
Shares 100,105 Value ($000) $1,342 Avg Close — Range —