MARKWEST ENERGY PARTNERS L P 4

4 · MARKWEST ENERGY PARTNERS L P · Filed Feb 2, 2007

Form 4

Period: 2007-01-31

SVP, Corporate Svcs

Transactions

Award
Common Units
[F1][F2]
2007-01-31+907→ 2,150 total
Exercise/Conversion
Common Units
[F2]
2007-01-31+135→ 2,285 total
Exercise/Conversion
Phantom Units
[F3][F4]
2007-01-31−135→ 135 total
Exp: 2015-01-31→ Common Units (135 underlying)

Footnotes (4)

[F1]Represents a phantom unit, which is a restricted unit that entitles the reporting person to receive a common unit upon the vesting of the phantom unit. Under the grant agreement, the settlement of the phantom units occurs automatically as the phantom units vest, which results in a deemed automatic expiration of the vested portion of the phantom units upon settlement. The phantom units vest over a period of three years with one third vesting on January 31 2008, 2009 and 2010.
[F2]Amount of securities beneficially owned following reported transaction(s) includes Common Units owned and Restricted Units subject to varying vesting terms.
[F3]1 for 1.
[F4]Under the phantom unit grant agreement, the settlement of the phantom units occurs automatically as the phantom units vest, which results in a deemed automatic expiration of the vested portion of the phantom units upon settlement. The phantom units vest over a period of three years with one third vesting on January 31 of each anniversary year.

Signature

/s/ Sean M. McKendry as POA for David Lee Young|2007-02-02

Documents

1 file