MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

CHARTER RESEARCH & INVESTMENT GROUP, INC.'s Holding History (CIK: 0001666624)

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

Q3 2015
Shares 7,315 Value ($000) $314 Avg Close — Range —
Q2 2015
Shares 7,890 Value ($000) $445 Avg Close — Range —
Q1 2015
Shares 7,890 Value ($000) $522 Avg Close — Range —
Q4 2014
Shares 7,890 Value ($000) $530 Avg Close — Range —