Solaris Energy Infrastructure, Inc. has entered into a definitive agreement to sell $1.25 billion in aggregate principal amount of senior notes. The notes, issued by a subsidiary of the company, carry a coupon rate of 7.000% and are set to mature on April 1, 2032.

The offering was upsized from an original target size of $1.0 billion. The notes will be issued at par, with total net proceeds expected to be approximately $1,227.2 million after deducting the Initial Purchasers' discount and estimated offering expenses. The transaction is expected to close on October 1, 2026, subject to customary closing conditions.

The notes are being sold in a private placement pursuant to Rule 144A and Regulation S under the Securities Act of 1933. They will be fully and unconditionally guaranteed on a senior unsecured basis by Solaris Energy Infrastructure, Inc. and all of the Issuer’s existing and future subsidiaries that guarantee certain indebtedness.

The company intends to use the net proceeds from the offering for general corporate purposes, growth capital expenditures, and to pay fees and expenses related to the transaction.