Diamondback Energy is offering senior notes totaling, in the aggregate, $5.5 billion as the company looks to pay for part of its $26 billion merger with Endeavor Energy.

The senior notes vary in price, maturity dates and interest rates. The notes interest rates range from 5.15% to 5.9% and mature between 2027 and 2064.

Diamondback senior notes offering
(Source: Diamondback Energy)

For the 2027 notes, the price to the public is 99.956% of the principal amount; for the 2030 notes, 99.830% of the principal amount; for the 2034 notes, 99.679% of the principal amount; for the 2054 notes, 99.957% of the principal amount; and for the 2064 notes, 99.954% of the principal amount.

Diamondback said it intends to use the net proceeds from the offer for general corporate purposes, including, paying a portion of the cash consideration for the pending acquisition of Endeavor and repaying debt owed by Endeavor and/or its subsidiaries.

The notes offering is expected to close on April 18, subject to customary closing conditions.

Citigroup Global Markets Inc., BofA Securities, Inc. and TD Securities (USA) LLC have served as joint book-running managers for the notes offering.