Hycroft Mining Holding Corporation Issues Correction to Press Release Dated April 21, 2026

Hycroft Mining (Nasdaq: HYMC) issued a correction to its April 21, 2026 release clarifying technical-report authorship.

Rhea-AI Summary

Hycroft Mining (Nasdaq: HYMC) issued a correction to its April 21, 2026 release clarifying technical-report authorship. WSP Global completed engineering work for additional lifts on the tailings storage facility, while WestLand completed the environmental studies.

With those tasks finished, Ausenco can complete the Initial Assessment Technical Report with economics, which the company anticipates finishing during the second quarter of 2026. The remainder of the earlier release is unchanged.

Positive

• WSP completed engineering for additional tailings lifts
• WestLand completed relevant environmental studies
• Ausenco expected to finish Initial Assessment Technical Report in Q2 2026

Negative

• Company issued a correction to an earlier press release, indicating a communication error

Argus Apr 22 session

+2.88% close to close Open Argus

Details

News Market Reaction – HYMC

On Apr 22, the first trading day after this news, HYMC closed 2.88% above the previous close.

Data tracked by StockTitan Argus for the Apr 22 session.

Historical Context

5 past events · Latest: Apr 16

5 events

1. Apr 16

   Sector exploration note

   24h Move

   +1.0%

   Sector-wide polymetallic exploration and silver supply backdrop including HYMC updates.

2. Apr 16

   Executive appointment

   24h Move

   +1.0%

   Appointment of Eric Colby as EVP Corporate Development to advance Hycroft Mine.

3. Apr 02

   High-grade drill results

   24h Move

   +2.7%

   High‑grade Vortex intercepts and strong cash position with no debt.

4. Mar 16

   Drill results update

   24h Move

   +2.4%

   Extension of high‑grade Brimstone silver system with deeper step-out drilling.

5. Mar 03

   10-K and update

   24h Move

   -13.0%

   2025 10-K with larger resources, strong cash, but no production or reserves.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

tailings storage facility, initial assessment technical report, heap leach operations, sulfide mineralization

4 terms

tailings storage facility technical

"engineering work associated with the additional lifts on the tailings storage facility."

A tailings storage facility is a managed site—often a lined pond or engineered dam—where mining companies store the wet waste left after extracting minerals. Investors care because these sites carry long-term risks and costs (environmental damage, spills, regulatory fines, cleanup and closure liabilities) that can quickly reduce a mine’s value, halt production or trigger costly remediation, much like a leaking landfill can suddenly force unexpected expenses and legal trouble.

initial assessment technical report technical

"Ausenco can complete the Initial Assessment Technical Report with economics."

An initial assessment technical report is a formal, first-stage document that summarizes the core technical findings, methods, assumptions and data about a project or asset—such as resource size, production steps, costs and major risks—based on preliminary studies. It matters to investors because it provides an early, evidence-based snapshot of potential value and likely obstacles, like a basic inspection report that helps decide whether to pursue a deeper review or investment.

heap leach operations technical

"after a long history of oxide heap leach operations, the Company is focused"

Heap leach operations are a low-cost mining method where crushed ore is piled into a lined pad and a liquid solution is trickled through the pile to dissolve and collect valuable metals like gold, copper or silver. For investors, this matters because heap leaching can significantly lower production costs and speed up cash flow, but it also concentrates environmental, regulatory and closure risks tied to chemical use, water management and long-term site cleanup.

sulfide mineralization technical

"a milling operation for processing the sulfide mineralization."

Sulfide mineralization is when rocks contain concentrated grains or layers of metal-bearing sulfide minerals—think of metal “chips” embedded in the rock like chocolate chips in a cookie. It matters to investors because these sulfide minerals often host valuable metals (copper, nickel, zinc, gold, etc.), so their presence can indicate a potential ore deposit, influence how much a project is worth, and affect extraction costs and environmental risks.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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WINNEMUCCA, Nev., April 21, 2026  /PRNewswire/ -- Hycroft Mining Holding Corporation (Nasdaq: HYMC) ("Hycroft" or the "Company") today issued the following correction to its press release issued earlier today titled "Hycroft Engages Engineering Firm to Assess Underground Mining Options."

In the section titled "Technical Report," the original release incorrectly stated that WestLand Engineering & Environmental Services, Inc. completed the engineering work associated with the additional lifts on the tailings storage facility.

Corrected statement: WSP Global Inc. ("WSP") has completed the engineering work associated with the additional lifts on the tailings storage facility.  WestLand Engineering & Environmental Services, Inc. completed the relevant environmental studies.

With this work now completed, Ausenco Engineering South USA, Inc. ("Ausenco") can complete the Initial Assessment Technical Report with economics. The Company anticipates that it will be complete during the second quarter of 2026.

The remainder of the press release is unchanged.

About Hycroft Mining Holding Corporation
Hycroft Mining Holding Corporation is a US-based gold and silver company exploring and developing the Hycroft Mine, among the world's largest precious metals deposits, located in northern Nevada, a Tier-1 mining jurisdiction. In 2023, Hycroft announced the discovery of two new high-grade silver systems within the known resource area and the Company is engaged in a robust exploration drill program (2025-2026 drill program) designed to expand these two systems in addition to targeting new opportunities. These discoveries represent a significant value driver for the Hycroft Mine.  In addition, after a long history of oxide heap leach operations, the Company is focused on completing technical studies to transition the Hycroft Mine into a milling operation for processing the sulfide mineralization.

For further information, please contact:
E: info@hycroftmining.com
Investor Relations Phone:  775-245-0564
www.hycroftmining.com

Cautionary Note Regarding Forward-Looking Statements

This press release contains "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact, included in this press release and in public statements by our officers or representatives that address activities, events or developments that we expect or anticipate will or may occur in the future are forward-looking statements. These include, but are not limited to, statements regarding future business strategy, plans and goals, competitive strengths, the advancement and development of the Hycroft Mine, the results and implications of metallurgical analysis and test work, and the expansion and growth of our business.

Forward-looking statements are often identified by future or conditional words such as "estimate," "plan," "anticipate," "expect," "intend," "believe," "target," "budget," "may," "can," "will," "would," "could," "should," "seeks," "scheduled to" and similar words or expressions but the absence of these words does not mean that a statement is not forward-looking. Forward-looking statements are based on current expectations, estimates and projections that involve a number of risks and uncertainties, which could cause actual results to differ materially from those reflected in the statements. The risks include, but are not limited to: (i) risks related to changes in our operations at the Hycroft Mine, including risks associated with the cessation of mining operations at the Hycroft Mine; uncertainties concerning estimates of mineral resources; risks related to the lack of a completed feasibility study; risks related to metallurgical test work and process development; and risks related to our ability to re-establish commercially feasible mining and processing operations; and (ii) industry-related risks, including fluctuations in the price of gold and silver; the commercial success of, and risks related to, our exploration and development activities; uncertainties and risks related to our reliance on contractors and consultants; and the availability and cost of equipment, supplies, energy or reagents.

Any exploration target described in this press release does not represent, and should not be construed to be, an estimate of a mineral resource or mineral reserve. Ranges of potential tonnage and grade (or quality) of an exploration target are conceptual in nature; there has been insufficient exploration of the relevant property or properties to estimate a mineral resource; and it is uncertain if further exploration will result in the estimation of a mineral resource.

These and other risks may cause actual results to differ materially from those expressed or implied by the forward-looking statements, and the occurrence of one or more of these events or circumstances, alone or in combination with others, may have a material adverse effect on our business, cash flows, financial condition and results of operations. Please see the "Risk Factors" outlined in our Annual Report on Form 10-K for the year ended December 31, 2025, and in other reports filed with the SEC, for more information about these and other risks.

Given these risks and uncertainties, you are cautioned not to place undue reliance on these forward-looking statements. Although we have attempted to identify important factors that could cause actual results to differ materially from those described in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. Although these forward-looking statements are based on assumptions that we believe are reasonable when made, forward-looking statements are not guarantees of future performance and actual results, performance or achievements may differ materially from those made in or suggested by the forward-looking statements in this press release.

Any forward-looking statements made in this press release speak only as of the date of this press release. We undertake no obligation to update these forward-looking statements or to publicly announce the results of any revisions to any of those statements to reflect future events or developments, except as required by law.

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SOURCE Hycroft Mining Holding Corporation

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Hycroft (HYMC) correct in its April 21, 2026 press release?

Hycroft corrected which firms completed specific work on its tailings project. According to the company, WSP completed the engineering lifts and WestLand completed environmental studies, replacing an earlier misattribution.

Which firm completed the engineering for the additional tailings lifts at Hycroft (HYMC)?

WSP Global completed the engineering work for the additional tailings lifts. According to the company, that completion enables Ausenco to proceed with the Initial Assessment Technical Report with economics.

When does Hycroft (HYMC) expect the Initial Assessment Technical Report to be finished?

Hycroft anticipates the Initial Assessment Technical Report will be complete during the second quarter of 2026. According to the company, Ausenco can now finalize the report with economics after the completed work.

What role did WestLand play in Hycroft's corrected technical report (HYMC)?

WestLand conducted the relevant environmental studies for the tailings storage facility. According to the company, WestLand's studies are complete and distinct from WSP's completed engineering work.

Does the correction change any other parts of Hycroft's April 21, 2026 announcement (HYMC)?

No, the remainder of the original release remains unchanged. According to the company, only the authorship of the engineering and environmental work was corrected; all other statements stand as published.