J.P. Morgan, TD Bank and Royal Bank of Canada served as lead arrangers for a $4.95 billion committed bridge facility for AltaGas to finance its acquisition of WGL Holdings for approximately $6.4 billion in cash.

Calgary, Canada-based AltaGas is a diversified energy infrastructure business with a focus on owning and operating assets to provide clean and affordable energy to its customers, including generation assets located across North America with more than 2,000 MW of capacity from five fuel types.

WGL Holdings is a public utility holding company providing natural gas and energy-related products and services to customers primarily in the District of Columbia and the surrounding metropolitan areas in Maryland and Virginia.

Simpson Thacher advised the lead arrangers on the transaction.