News Release

Hi-Crush Issues Update Regarding Whitehall Incident, WDNR Test Results

HOUSTON, June 11, 2018 (GLOBE NEWSWIRE) -- Hi-Crush Partners LP (NYSE:HCLP), or “Hi-Crush," today issued the following statement related to progress it is making on remediating the area in Trempealeau County impacted after a detention pond berm was intentionally breached as part of a successful effort to rescue a trapped worker at the Company’s Whitehall, Wi., facility:

“Hi-Crush continues to contribute significant resources and is making steady progress toward cleanup and remediation of the area, and is encouraged by the results. On June 6th, the Wisconsin Department of Natural Resources (DNR) issued preliminary test results from surface water samples upstream and downstream of runoff near the release source and near entry of a creek into the Trempealeau River. Nominal impact on the river is evident in the initial test results. DNR confirmation that concentrations at the river meet surface water quality standards is consistent with our expectations. Further, it is positive that DNR continues to report no fish kills.

“Hi-Crush has provided DNR with our initial sampling results, which correlate well with the agency’s initial results.  We also performed sampling for acrylamide and, as presumed, no acrylamide was present [in the samples]. That is more good news for the community. Further, follow up sampling indicates a significant reduction in suspended solids in the waterways. Our runoff best-management practices are working as intended, and we will maintain those practices throughout our cleanup efforts.  We continue to perform additional sampling, and results will be shared with DNR when available. Regardless, we do not expect future sample results to show any issues of concern for the community; we expect conditions to keep improving. We will continue to focus on working with our partners in the community on cleanup and remediation.”

About Hi-Crush

Hi-Crush is a premier provider of proppant and logistics solutions to the North American energy industry.  Our portfolio of purpose-built production facilities are capable of producing 13.4 million tons per year of high-quality monocrystalline sand, a specialized mineral used as a proppant during the well completion process, necessary to facilitate the recovery of hydrocarbons from oil and natural gas wells.  Our production facilities' direct access to major U.S. railroads enhance our delivery capabilities into consuming basins, while our strategically located owned and operated in-basin terminals as well as our in-basin production facility positions us within close proximity to significant activity in all major oil and gas basins for advantageous truck transportation.  Our integrated distribution system, enhanced by our innovative PropStreamTM logistics solution, efficiently delivers proppant the "last mile" into the blender, providing customers surety of supply from mine to wellsite.  For more information, visit

For More Information:

Steve Bell
Director, Marketing and Corporate Communications
(713) 980-6225

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