Oklahoma-based midstream company Oneok Inc. completed an underwritten public offering of $1.25 billion of senior notes.

The company expects to use the net proceeds of about $1.23 billion for general corporate purposes such as debt repayment and funding of capital expenditures, according to a July 2 SEC filing.

The offering consists of $800 million of 4.55% notes due 2028 and $450 million of 5.20% notes due 2048.

Citigroup, Bank of America Merrill Lynch, Mizuho Securities, Wells Fargo Securities, Deutsche Bank Securities, Goldman Sachs & Co. LLC, J.P. Morgan, Morgan Stanley, MUFG and TD Securities were joint book-running managers for the offering. PNC Capital Markets LLC, RBC Capital Markets, Scotiabank, US Bancorp, BB&T Capital Markets, BOK Financial Securities Inc., Regions Securities LLC, SMBC Nikko, The Williams Capital Group LP and Tuohy Brothers were co-managers.