0000950123-10-096728 Sample Contracts

AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D The undersigned hereby agree as follows:

Regency LP Acquirer, L.P. • October 27th, 2010 • Crude petroleum & natural gas

• Company
  Regency LP Acquirer, L.P.
• Filed
  October 27th, 2010
• Industry
  Crude petroleum & natural gas

COMMON UNIT PURCHASE AGREEMENT

Common Unit Purchase Agreement • October 27th, 2010 • Regency LP Acquirer, L.P. • Crude petroleum & natural gas • New York

• Contract Type
  Common Unit Purchase Agreement
• Filed
  October 27th, 2010
• Company
  Regency LP Acquirer, L.P.
• Industry
  Crude petroleum & natural gas
• Jurisdiction
  New York

COMMON UNIT PURCHASE AGREEMENT, dated as of October 22, 2010 (this “Agreement”), by and among REGENCY LP ACQUIRER, L.P., a Delaware limited partnership (“Seller”), and ZLP FUND, L.P. (“ZLP Fund”), ZLP MASTER OPPORTUNITY FUND, LTD. (“ZLP Master Opportunity Fund”), ZLP MASTER UTILITY FUND, LTD. (“ZLP Master Utility Fund”), and CREDIT SUISSE MANAGEMENT LLC (collectively, the “Purchasers”).