MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Granite Investment Partners, LLC's Holding History (CIK: 0001542266)

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

Q3 2015
Shares 8,500 Value ($000) $365 Avg Close — Range —
Q2 2015
Shares 8,500 Value ($000) $479 Avg Close — Range —
Q1 2015
Shares 8,500 Value ($000) $562 Avg Close — Range —
Q4 2014
Shares 8,500 Value ($000) $571 Avg Close — Range —
Q3 2014
Shares 8,500 Value ($000) $653 Avg Close — Range —
Q2 2014
Shares 8,500 Value ($000) $608 Avg Close — Range —
Q1 2014
Shares 8,500 Value ($000) $555 Avg Close — Range —
Q4 2013
Shares 8,500 Value ($000) $562 Avg Close — Range —
Q3 2013
Shares 8,300 Value ($000) $600 Avg Close — Range —
Q2 2013
Shares 8,100 Value ($000) $541 Avg Close — Range —