Thunderbird Shares Jump 40% on Release of IP Survey Results

• Completed Induced Polarisation survey results released after trading halt
• Share price rose from $0.01 to $0.014 amid increased trading volume
• Company confirms compliance with ASX continuous disclosure obligations
• Marketing group 'Undiscovered Alpha' published article based on public information
• Survey data interpretation completed and approved by the board

Background to the Price Movement

Thunderbird Resources Ltd (ASX, THB), a mining exploration company, recently experienced a notable increase in its share price and trading volume. The stock climbed from a close of $0.01 on August 4 to an intraday high of $0.014 on August 7, prompting the ASX to issue a price query. This unusual market activity raised questions about whether the company was in possession of material information not yet disclosed to investors.

Survey Results and Disclosure

In response, Thunderbird confirmed that it had completed an Induced Polarisation (IP) survey, a geophysical technique used to identify subsurface mineralisation. The survey had been announced as underway on July 21, 2025, but the detailed results were only finalized and reviewed recently. The company stated it was relying on Listing Rule 3.1A to delay disclosure until the information was fully processed and ready for market release.

Following the ASX price query, Thunderbird promptly requested a trading halt on August 5 to complete the interpretation of the survey data and prepare a comprehensive market announcement. The results were then released on August 8, after board approval, ensuring compliance with ASX continuous disclosure requirements.

Market Influence Beyond the Survey

Thunderbird also noted that a marketing group called “Undiscovered Alpha” had recently published an article about the company. However, the company clarified that the article was based solely on information already in the public domain and did not contain any new or undisclosed material. This suggests that the recent trading activity was primarily driven by anticipation and speculation around the survey results rather than any external promotional efforts.

Regulatory Compliance and Transparency

The company reaffirmed its commitment to the ASX Listing Rules, particularly Listing Rule 3.1, which governs continuous disclosure obligations. Thunderbird’s board and authorized officers approved the responses to the ASX’s price query, underscoring the company’s adherence to regulatory standards and its efforts to maintain transparency with investors.

While the survey results themselves were not detailed in the price query response, their release marks a significant step in Thunderbird’s exploration campaign, potentially impacting investor sentiment and the company’s valuation going forward.

Bottom Line?

Thunderbird’s timely disclosure following a trading halt highlights the delicate balance between confidentiality and transparency in exploration markets.

Questions in the middle?

• What do the detailed Induced Polarisation survey results reveal about Thunderbird’s mineral prospects?
• How will the market react to the newly released survey data in the coming weeks?
• Could further exploration updates or drilling results soon follow to build on this momentum?