MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

TRAVELERS COMPANIES, INC.'s Holding History (CIK: 0000086312)

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

Q3 2015
Shares 351,911 Value ($000) $15,101 Avg Close — Range —
Q2 2015
Shares 351,911 Value ($000) $19,841 Avg Close — Range —
Q1 2015
Shares 272,000 Value ($000) $17,979 Avg Close — Range —
Q4 2014
Shares 272,000 Value ($000) $18,276 Avg Close — Range —
Q3 2014
Shares 272,000 Value ($000) $20,895 Avg Close — Range —
Q2 2014
Shares 272,000 Value ($000) $19,470 Avg Close — Range —
Q1 2014
Shares 176,000 Value ($000) $11,496 Avg Close — Range —
Q4 2013
Shares 147,000 Value ($000) $9,721 Avg Close — Range —
Q3 2013
Shares 147,000 Value ($000) $10,618 Avg Close — Range —
Q2 2013
Shares 147,000 Value ($000) $9,827 Avg Close — Range —