Bitcoin Infrastructure Acquisition Corp Ltd. – Underwriting Agreements Watch

from SCHEDULE 13G 1 page Joint Filing Statement Pursuant to Rule 13d-1

from SCHEDULE 13G 2 pages Joint Filing Agreement Linden Capital L.P. By: Linden GP LLC, Its General Partner By: /S/ Saul Ahn Saul Ahn, Authorized Signatory Linden GP LLC By: /S/ Saul Ahn Saul Ahn, Authorized Signatory Linden Advisors LP By: /S/ Saul Ahn Saul Ahn, General Counsel Siu Min Wong By: /S/ Saul Ahn Saul Ahn, Attorney-In-Fact for Siu Min Wong** **Duly Authorized Under Siu Min Wong's Power of Attorney, Dated June 10, 2019, Incorporated Herein by Reference to Exhibit B of the Statement on Schedule 13g Filed by Linden Capital L.P. on June 19, 2019 in Respect of Its Holdings in Haymaker Acquisition Corp II

from 8-K 37 pages Underwriting Agreement Between Bitcoin Infrastructure Acquisition Corp Ltd. and Cohen & Company Capital Markets, a Division of Cohen & Company Securities, LLC as Representative of the Underwriters Dated: December 1, 2025 Underwriting Agreement

from S-1/A 37 pages Underwriting Agreement Between Bitcoin Infrastructure Acquisition Corp Ltd. and Cohen & Company Capital Markets, a Division of Cohen & Company Securities, LLC as Representative of the Underwriters Dated: [●], 2025 Underwriting Agreement