MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Allworth Financial LP's Holding History (CIK: 0001555170)

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

Q3 2015
Shares 352 Value ($000) $15 Avg Close — Range —
Q2 2015
Shares 352 Value ($000) $20 Avg Close — Range —
Q1 2015
Shares 349 Value ($000) $23 Avg Close — Range —