X0609 4 2026-06-01 0 0002029492 Mountain Lake Acquisition Corp. MLAC 0001844909 Horlick Douglas false C/O MOUNTAIN LAKE ACQUISITION CORP. 930 TAHOE BLVD STE 802 PMB 45 INCLINE VILLAGE NV 89451 1 1 0 0 CFO and President 0 Class B ordinary shares, par value $0.0001 per share 2026-06-01 4 J 0 478010 A Class A ordinary shares 478010 478010 D Represents Class B ordinary shares of the Issuer received in a pro rata distribution of assets by Mountain Lake Acquisition Sponsor LLC (the "Sponsor") to its constituent members (the "Sponsor Distribution"). No consideration was paid in connection with the transaction reported herein. As described in the registration statement on Form S-1 (File No. 333-281410) of the Issuer under the heading "Description of Securities--Founder Shares," the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination, at the option of the holder, on a one-for-one basis, subject to certain adjustments. /s/ Douglas Horlick 2026-06-04