Common use of Certain Relationships Clause in Contracts

Certain Relationships. Except as described in the Pricing Disclosure Package and the Prospectus, no relationship, direct or indirect, exists between or among the Partnership, on the one hand, and the directors, officers, unitholders, customers or suppliers of any of the MarkWest Entities, on the other hand, that is required to be described in the Pricing Disclosure Package or the Prospectus that is not so described.

Certain Relationships. Except as described in the Pricing Disclosure Package and the Prospectus, no relationship, direct or indirect, exists between or among any of the PartnershipMarkWest Entities, on the one hand, and the directors, officers, unitholders, customers or suppliers of any of the MarkWest Entities, on the other hand, that is required to be described in the Pricing Disclosure Package or the Prospectus that is not so described.