Markwest Energy Partners L P SC 13D/A Markwest Energy Partners L P

EXHIBIT 5

The following table sets forth all transactions with respect to the Common Units Representing Limited Partnership Interests ("Common Units") effected by the Reporting Person since November 16, 2015 to the effective time of the Merger. All such transactions were purchases or sales of units effected in the open market.  The per unit prices noted in the table below include commissions/fees paid.

All transactions reported were effected on behalf of client accounts for which the Reporting Person is the investment adviser.

Nature of Transaction	Reporting Person	Date of Transaction		Amount of Securities		Price per Unit ($)
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-16-2015		1,428		45.29
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-17-2015		476		43.41
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-19-2015		111		44.32
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-20-2015		3,663		42.76
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-23-2015		1,137		42.37
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-24-2015		1,995		44.03
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-25-2015		2,444		43.81
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-25-2015		1,184		44.13
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-27-2015		56		43.73
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		348		47.36
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		186		47.35
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		63,958		47.39
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		520		47.32
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		1,001		46.99
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		435		47.32
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		5,698		47.39
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		2,796		47.24
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		935		47.69
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		15,050		47.43
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		36,612		47.41
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		11-30-2015		1,596		47.38
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		69,743		46.74
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		242		46.77
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		883		47.81
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		50		46.89
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		161		46.78
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		1,425		48.61
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		2,395		47.99
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		818		45.53
Purchase of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		6,914		46.76
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		381		45.53
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-01-2015		2,786		45.95
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-02-2015		368		45.30
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-03-2015		240		42.49
Sale of Common Units	Tortoise Capital Advisors, L.L.C.		12-03-2015		767		42.24