MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

AKRE CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001112520)

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

Q1 2015
Shares 3,215 Value ($000) $213 Avg Close — Range —
Q4 2014
Shares 6,965 Value ($000) $468 Avg Close — Range —
Q3 2014
Shares 6,965 Value ($000) $535 Avg Close — Range —
Q2 2014
Shares 706,965 Value ($000) $50,605 Avg Close — Range —
Q1 2014
Shares 706,965 Value ($000) $46,179 Avg Close — Range —
Q4 2013
Shares 704,935 Value ($000) $46,617 Avg Close — Range —
Q3 2013
Shares 304,935 Value ($000) $22,025 Avg Close — Range —
Q2 2013
Shares 132,735 Value ($000) $8,873 Avg Close — Range —