Whiting Petroleum Corp. (NYSE: WLL) said on Dec. 27 it completed its offering of $1 billion aggregate principal amount of 6.625% senior notes due 2026.

Whiting received approximately $987.5 million in aggregate net proceeds from the sale of the notes. Whiting expects to use the net proceeds from the sale of the notes to redeem all of its 5% senior notes due 2019 and pay related fees and expenses, including the redemption premium and accrued interest on the 2019 notes.

In connection with the closing of the sale of the notes, Whiting provided notice to the trustee of the indenture governing the 2019 notes to redeem the 2019 notes on January 26, 2018.