Fifth Amendment to Business Combination Agreement

Blue Acquisition Corp. (Blue) has entered into the Fifth Amendment to the Business Combination Agreement (BCA) with Blockfusion Digital Infrastructure, Inc. (Pubco), extending the Outside Date to November 30, 2026. This amendment does not alter other terms of the BCA, which outlines the business combination between Blue and Blockfusion, resulting in Pubco becoming a publicly traded company. The original BCA was entered into on November 19, 2025, and has been amended several times prior to this fifth amendment. The filing also includes standard disclosures regarding additional information, participant solicitations, no offer or solicitation, and forward-looking statements, detailing potential risks and uncertainties associated with the business combination.