• Thunder Mountain Gold posted a net loss of $590,758 for quarter ended March 31, 2026, widening from $540,300 a year earlier as operating expenses rose 10% to $594,595.
• Exploration expenditures more than doubled to $167,128, while legal and accounting costs climbed 108% to $95,186.
• Management and administrative expense fell 22% to $332,281 on lower stock-based compensation.
• Cash and cash equivalents declined to $1.81 million at March 31 from $2.59 million at Dec. 31, while net cash used in operating activities increased to $607,786.
• South Mountain Project work continued, with baseline environmental and engineering activity aimed at completing a Preliminary Economic Analysis, while mineral lease rights on about 3,500 acres of Idaho state land were awarded on a $210,000 winning bid pending final approval.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Thunder Mountain Gold Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001062993-26-002527), on May 12, 2026, and is solely responsible for the information contained therein.