Genesis Energy (NYSE: GEL) launched the commencement of a registered underwritten public offering of $550 million in aggregate principal amount of senior unsecured notes due 2025 on Aug. 7.

The notes will be co-issued with the company’s subsidiary, Genesis Energy Finance Corp. and will be guaranteed, with certain exceptions, by substantially all of its existing and future subsidiaries.

Genesis Energy intends to use net proceeds from the offering to fund a portion of the purchase price for their recently announced pending acquisition of the trona and trona-based exploring, mining, processing, producing, marketing and selling business of Tronox Limited (NYSE: TROX) and its affiliates.