Black Hawk Acquisition Corp — fact timeline

Black Hawk Acquisition Corp incurred convertible notes of up to $300,000 with Black Hawk Management LLC at 10% per annum maturing upon the occurrence of (i) the closing of the Company’s initial business combination (a “DeSPAC Transaction”) or (ii) the liquidation of the Company.

“On May 4, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).”

Black Hawk Acquisition Corp issued convertible note to Black Hawk Management LLC for principal amount of up to $300,000.

“On May 4, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).”

Black Hawk Acquisition Corp received a nasdaq deficiency notice notice regarding market value (rules 5450(b)(2)(A)).

“March 31, 2026, Black Hawk Acquisition Corporation (the “Company”) received a notice (the “MVLS Notice”) from the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) stating that the Company’s market value of listed securities (“MVLS”) for the last 30 consecutive business days was less than the $50,000,000 required for continued listing on the Nasdaq Global Market under Listing Rule 5450(b)(2)(A) (the “MVLS Requirement”). The Company has a period of 180 calendar days, or until September 28, 2026 (the “MVLS Compliance Date”), to regain compliance with the MVLS Requiremen”

Black Hawk Acquisition Corp issued convertible note to Black Hawk Management LLC (the Sponsor) for principal amount of up to $300,000.

“On February 12, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).”

Black Hawk Acquisition Corp incurred convertible notes of up to $300,000 with Black Hawk Management LLC (Sponsor) at 10% per annum maturing due and payable upon the closing of the Company's initial business combination (a DeSPAC Transaction) or the liquidation of the Company.

“On February 12, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the "Company"), issued a convertible promissory note (the "Note") in the principal amount of up to $300,000 to Black Hawk Management LLC (the "Sponsor").”

Black Hawk Acquisition Corp entered into Note with Black Hawk Management LLC valued at principal amount of up to $300,000 (effective 2026-02-12).

“On February 12, 2026, Black Hawk Acquisition Corp., a Cayman Islands exempted company (the “Company”), issued a convertible promissory note (the “Note”) in the principal amount of up to $300,000 to Black Hawk Management LLC (the “Sponsor”).”

Black Hawk Acquisition Corp: Amendment to Second Amended and Restated Memorandum and Articles of Association to extend business combination deadline (effective 2025-06-22).

“reflecting the extension of the date by which the Company must consummate a business combination from June 22, 2025 up to eighteen (18) times, each comprised of one month each (each an “ Extension ”) up to December 22, 2026”

Brandon Miller departed as Member of the Board of Directors and Chairperson of the Audit Committee at Black Hawk Acquisition Corp.

“On April 29, 2025, Black Hawk Acquisition Corporation (the “Company”) reported the death of Brandon Miller, a member of the Company’s board of directors (the “Board”) and the Chairperson of the Audit Committee.”

Jonathan Ginsberg was appointed as Chief Operating Officer and director at Black Hawk Acquisition Corp.

“On April 22, 2024, the board of directors (the “Board”) of Black Hawk Acquisition Corporation (the “Company”) appointed Jonathan Ginsberg as the Chief Operating Officer and a director of the Company, effective immediately.”

Jonathan Ginsberg was appointed as Chief Operating Officer and a director at Black Hawk Acquisition Corp.

“On April 22, 2024, the board of directors (the “Board”) of Black Hawk Acquisition Corporation (the “Company”) appointed Jonathan Ginsberg as the Chief Operating Officer and a director of the Company, effective immediately.”

Black Hawk Acquisition Corp: Adopted Second Amended and Restated Memorandum and Articles of Association in connection with IPO (effective 2024-03-22).

“On March 22, 2023, the Company adopted its Second Amended and Restated Memorandum and Articles of Association.”

Black Hawk Acquisition Corp amended Letter Agreement with EF Hutton LLC (effective 2024-03-25).

“on March 25, 2024, the Company entered into a letter agreement (the “Letter Agreement”) with EF Hutton LLC, as representative of the several underwriters named on Schedule A of the Underwriting Agreement, to amend the Underwriting Agreement”

Black Hawk Acquisition Corp amended Subscription Agreement with the Sponsor (effective 2024-03-20).

“Subscription Agreement, dated October 16, 2023, as amended, by and between the Company and the Sponsor on November 13, 2023 and March 20, 2024”

Black Hawk Acquisition Corp entered into Registration Rights Agreement with the Sponsor (effective 2024-03-20).

“● Registration Rights Agreement, dated March 20, 2024, by and between the Company and the Sponsor, a copy of which is filed as Exhibit”

Black Hawk Acquisition Corp entered into Investment Management Trust Agreement with Continental Stock Transfer & Trust Company, as trustee (effective 2024-03-20).

“Investment Management Trust Agreement, dated March 20, 2024, by and between the Company and Continental Stock Transfer & Trust Company, as trustee”

Black Hawk Acquisition Corp entered into Underwriting Agreement with EF Hutton LLC (effective 2024-03-20).

“Underwriting Agreement, dated March 20, 2024, by and between the Company and EF Hutton LLC (the “Underwriting Agreement”)”