number and percentage of common units representing limited partner interests (“Common Units”) of Spectra Energy
Partners, LP (the “Issuer”) reported as beneficially owned by Spectra Energy in this Schedule 13D consists
of the following: 171,570,734 Common Units owned by SE Transmission; 8,701,329 Common Units owned by SESSH; and 50,217,799
Common Units owned by SEP GP. SEP GP also owns 6,345,881 general partner units (“General Partner Units”) of
the Issuer. Each of SE Transmission, SESSH and SEP GP is an indirect, wholly owned subsidiary of Spectra Energy.