The investment-grade notes are due 2053

Davis Polk advised the joint book-running managers in connection with a Rule 144A / Regulation S offering of $400 million aggregate principal amount of 6.119% senior notes due 2053 by Boston Gas Company.

Boston Gas Company owns and operates a natural gas distribution and storage system and provides natural gas to approximately 953,000 residential, commercial and industrial customers located in Boston, Essex County and various other counties and communities within eastern and central Massachusetts. Boston Gas Company is an indirect wholly owned subsidiary of National Grid USA, which in turn is an indirect wholly owned subsidiary of National Grid plc, an international electricity and natural gas energy delivery company based in the United Kingdom.

The Davis Polk corporate team included partner Reuven B. Young and associates Gianna Ceophas and Gultekin Can. Counsel Alon Gurfinkel and associate Ya Sheng Lin provided tax advice. Counsel Michael Comstock and associate Timothy J. Sullivan provided environmental advice.  Members of the Davis Polk team are based in the London and New York offices.