Williams Cos. (WMB) priced a public offering of $1 billion in senior notes at 5.600% and $500 million in senior notes at 6.000%, the midstream company said Jan. 6.

The 5.600% notes are priced at 99.843% of par and are due in 2035. The 6.000% notes are priced at 99.330% of par and are due in 2055. The company expects the settlement date for the offering to be Jan. 9.

The company said in a press release that the proceeds will be used to repay commercial paper, near-term debt maturities, and general business needs.

Deutsche Bank Securities Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC and Morgan Stanley & Co. LLC will act as joint book-running managers for the offering.