Company: MLAC
Filing Date: 2025-12-30
Form Type: 425
Source: 0001213900-25-126602
Chunk: 0

Company: Mountain Lake Acquisition Corp.
Filing Date: 2025-12-30
Form: 425
Chunk 0
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Filed by Mountain Lake Acquisition Corp.

pursuant to Rule 425 under the Securities Act of 1933

and deemed filed pursuant to Rule 14a-12

under the Securities Exchange Act of 1934

Subject Company: Mountain Lake Acquisition Corp.

Commission File No. 001-42436

Avalanche Treasury Corporation

Date: December 30, 2025

As previously disclosed, on October 1, 2025, Mountain
Lake Acquisition Corp., a Cayman Islands exempt company (“Mountain Lake” or “SPAC”), and Avalanche Treasury Corporation,
a Delaware corporation (“Pubco”), issued a press release announcing that they had entered into a Business Combination Agreement
(the “Business Combination Agreement”), dated as of October 1, 2025, with Avalanche SPAC Merger Sub LLC, a Delaware limited
liability company (“SPAC Merger Sub”), Avalanche Company Merger Sub LLC, a Delaware limited liability company (the “Company
Merger Sub”), Avalanche Treasury Company LLC, a Delaware limited liability company (“Newco”), and Dragonfly Digital
Management, LLC, a Delaware limited liability company (the “Seller”).

The following communication was made by Pubco
on its LinkedIn account on December 29, 2025.

The following communication was made by Pubco
on its X account on December 17, 2025.

On December 4, 2025, Bart Smith, CEO of Pubco was interviewed on the
Thinking Crypto Podcast with Tony Edward, and a partial transcript is below.

Tony Edward: Hey, folks, welcome into the Thinking Crypto podcast.
I’m your host, Tony Edward, and joining me today is Bart Smith, who is the CEO and Chairman of the Avalanche Treasury Co. Bart,
great to have you.

Bart Smith: Thanks, Tony. Looking forward to it.

Tony Edward:Yeah, Bart, excited to talk about what you’re
doing in building an AVAX treasury strategy. I’m an AVAX token holder, so I’m excited to get into the details. But let’s
kick it off with your background. Tell us about where you’re from and your professional background.

Bart Smith: So I’ve been in finance for whatever, 25 or
30 years almost at this point. Worked in asset management and I worked at UBS for a while. I was one of the original founders of an ETF
firm that was eventually sold to Columbia Funds. And then from there, I went to work at Susque