Wednesday, June 10, 2026

Equity Corporate Actions Alert #2026 - 400
(UPDATED: Closed) Information Regarding the Business Combination of Mountain Lake Acquisition Corp. (MLAC/R/U)

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  • Industry Announcement

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The business combination of Mountain Lake Acquisition Corp. (MLAC/R/U) and Avalanche Treasury Corporation closed today, June 11, 2026. The class A ordinary shares, right, and unit of Mountain Lake Acquisition Corp. (MLAC/R/U) was suspended from trading effective June 11th, in anticipation of the closing. The suspension details are as follows:

Company Name/Issue: Mountain Lake Acquisition Corp. Class A Ordinary Shares
CUSIP#: G6301B101
Symbol: MLAC
Last Trading Date: June 10, 2026
Marketplace Effective Date for Suspension: June 11, 2026
Merger Consideration: One (1) share of Avalanche Treasury Corporation Class A Common Stock (AVAT) for each share held.
Company Name/Issue: Mountain Lake Acquisition Corp. Right
CUSIP#: G6301B127
Symbol: MLACR
Last Trading Date: June 10, 2026
Marketplace Effective Date for Suspension: June 11, 2026
Merger Consideration: One (1) share of Avalanche Treasury Corporation Class A Common Stock (AVAT) for every 10 rights held.
Company Name/Issue: Mountain Lake Acquisition Corp. Unit
CUSIP#: G6301B119
Symbol: MLACU
Last Trading Date: June 10, 2026
Marketplace Effective Date for Suspension: June 11, 2026
Merger Consideration: Unit will separate into its components.

As a result of the merger the combined company will be domiciled in Delaware and will list its Class A common stock (AVAT) on the Nasdaq Capital Market. The details are as follows:

Company Name/Issue: Avalanche Treasury Corporation Class A Common Stock
CUSIP#: 05338N101
Symbol: AVAT
Marketplace Effective Date: June 11, 2026

If you would like to register as a market maker in AVAT contact Nasdaq Trading Services at +1 212 231 5100.



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