Aug 24 (Reuters) - Enbridge Inc ENB.TO , Canada's largest pipeline operator, said on Friday it would buy its U.S. master limited partnership Spectra Energy (F:SEP) Partners SEP.N for a sweetened $3.3 billion deal.
The company said the deal represents a exchange ratio of 1.111 common shares for each unit of Spectra, representing an increase of 9.8 percent from its initial offer.