Jan 25 (Reuters) - Energy infrastructure company AltaGas Ltd said on Wednesday it would buy WGL Holdings Inc in a deal valued at C$8.4 billion ($6.42 billion).
WGL Holdings, the parent of natural-gas utility Washington Gas, provides natural gas services in Maryland, Virginia and the District of Columbia.
The deal includes the assumption of about C$2.4 billion of debt.
The company said the deal would add about 7-9 percent to earnings per common share.
$1 = 1.3078 Canadian dollars Reporting by Komal Khettry in Bengaluru; Editing by Saumyadeb Chakrabarty