Solaris Energy Infrastructure, Inc. (NYSE: SEI) announced that its subsidiary has priced an offering of $1.3 billion in 6.375% Senior Notes due 2031. The notes will be issued at par and mature on May 15, 2031.

The offering is expected to close on May 12, 2026, subject to customary closing conditions. The notes will be guaranteed by Solaris and all existing and future restricted subsidiaries of the issuer that guarantee certain company debt.

The company plans to use proceeds from the offering to repay outstanding borrowings, pay related fees and expenses, and fund general corporate purposes, including growth capital expenditures.

The notes are being offered only to qualified institutional buyers under Rule 144A and to non-U.S. persons outside the United States under Regulation S. The securities have not been registered under the Securities Act of 1933.

Solaris Energy Infrastructure provides mobile and scalable equipment-based solutions for distributed power generation and manages raw materials used in oil and natural gas well completion. The Houston-based company serves energy, data centers, and other commercial and industrial sectors across multiple U.S. markets.