Select Energy Services Acquires Nuverra Environmental Solutions, Expanding its Sustainable Water Services and Production-Related Revenues

Houston, TX – March 2022 – Select Energy Services, Inc. (NYSE:WTTR) (“Select”) announced that it has acquired Nuverra Environmental Solutions, Inc. (NYSE American: NES) (“Nuverra”). The acquisition is a continuation of Select’s efforts to expand production related revenues, add technology and geographic footprint, and execute on strategic consolidation opportunities.

Nuverra is an energy-focused environmental solutions company, providing comprehensive, full-cycle environmental solutions, including the removal, treatment, recycling, transportation and disposal of restricted solids, fluids and hydrocarbons for exploration and production companies operating across the United States, including in the Bakken, Haynesville, Marcellus and Utica Shales.

John Schmitz, Select’s Chairman, President and CEO, stated, “We are excited to close on the acquisition of Nuverra and welcome its more than 350 employees into the Select family. We believe this acquisition further expands Select’s leading sustainable water services and infrastructure footprint with additional service offerings, comprehensive infrastructure and geographic breadth. This acquisition represents a continuation of our strategic effort to improve and bolster our base business, advance our technology and diversification efforts, and execute on value-creating consolidation opportunities.

About Select Energy Services, Inc.

Select Energy Services is a leading provider of sustainable full life cycle water and chemical solutions to the unconventional oil and gas industry in the United States.  Select provides for the sourcing and transfer of water, both by permanent pipeline and temporary hose, prior to its use in the drilling and completion activities associated with hydraulic fracturing, as well as complementary water-related services that support oil and gas well completion and production activities, including containment, monitoring, treatment and recycling, flowback, hauling, gathering and disposal.  Select also develops and manufactures a full suite of specialty chemicals used in the well completion process and production chemicals used to enhance performance over the producing life of a well.  Select currently provides services to exploration and production companies and oilfield service companies operating in all the major shale and producing basins in the United States.  For more information, please visit Select’s website, www.selectenergy.com.