Select Water Solutions Inc. (WTTR) experienced a significant after-hours surge of 9.98% on Tuesday, following the release of its first-quarter 2026 financial results.

The company reported revenue of $366 million, beating analyst estimates of $344.70 million, while adjusted EBITDA of $77.6 million also exceeded expectations of $65.74 million. Net income swung to a positive $9.4 million from a previous loss. The strong performance was driven by record Water Infrastructure segment revenue, which climbed 19% sequentially, supported by higher recycling and disposal volumes from its New Mexico system.

Furthermore, the company raised its full-year Water Infrastructure growth guidance to 25-30% year-over-year and provided a positive outlook for Q2 consolidated Adjusted EBITDA between $77-$80 million. The announcement of multiple new long-term agreements and recent acquisitions adding significant capacity in the Northern Delaware Basin contributed to the positive investor sentiment during the after-hours session.