EL PASO PIPELINE PARTNERS, L.P. 8,750,000 COMMON UNITS REPRESENTING LIMITED PARTNER INTERESTS UNDERWRITING AGREEMENT January 13, 2010Underwriting Agreement • January 14th, 2010 • El Paso Pipeline Partners, L.P. • Natural gas transmission • New York
Entity Equity Owned by Identified Partnership Entity OLLC 100% of limited liability company interests owned by the Partnership EPPP SNG 100% of limited liability company interests owned by OLLC EPPP CIG 100% of limited liability company interests owned by OLLC WIC Holdings 100% of limited liability company interests owned by OLLC EP WGSC 100% of limited liability company interests owned by OLLC WIC 50% general partner interest owned by WIC Holdings 50% limited partner interest owned by EP WGSC CIG 58% general partner interest owned by EPPP CIG 42% general partner interest owned by El Paso Noric Investments III, L.L.C. WYCO Holding 100% of limited liability company interests owned by CIG WYCO Development 50% of limited liability company interests owned by WYCO CIG Finance 50% of limited liability company interests owned by an affiliate of Public Service Co. of Colorado 100% of limited liability company interests owned by CIG CIG Funding 100% of limited liability company interests owned
