ONEOK Partners LP (NYSE: OKS) priced an offering of $800 million, in aggregate principal amount, of senior notes, the company said March 17.

There is $300 million of five-year, 3.8% senior notes, and $500 million of 10-year, 4.9% senior notes, the company said.

Net proceeds are expected to total $793.8 million. They will repay outstanding commercial paper program amounts and support general partnership purposes.

J.P. Morgan Securities LLC, Deutsche Bank Securities Inc., Mitsubishi UFJ Securities (USA) Inc. and U.S. Bancorp Investments Inc. are joint book-running managers.

The offer is scheduled to close March 20.

Tulsa, Okla.-based ONEOK Partners LP is a domestic-focused midstream MLP.