MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Linscomb & Williams, Inc.'s Holding History (CIK: 0001313294)

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

Q3 2015
Shares 10,094 Value ($000) $433 Avg Close — Range —
Q2 2015
Shares 10,273 Value ($000) $579 Avg Close — Range —
Q1 2015
Shares 10,257 Value ($000) $678 Avg Close — Range —
Q4 2014
Shares 10,038 Value ($000) $675 Avg Close — Range —
Q3 2014
Shares 10,025 Value ($000) $770 Avg Close — Range —
Q2 2014
Shares 9,611 Value ($000) $688 Avg Close — Range —
Q1 2014
Shares 9,933 Value ($000) $649 Avg Close — Range —
Q4 2013
Shares 18,219 Value ($000) $1,205 Avg Close — Range —
Q3 2013
Shares 18,007 Value ($000) $1,301 Avg Close — Range —
Q2 2013
Shares 18,210 Value ($000) $1,217 Avg Close — Range —