Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, everyInteractive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during thepreceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smallerreporting company. See the definitions of “large accelerated filer,” “accelerated filer,” “non-accelerated filer” and “smaller reporting Large accelerated filerNon-accelerated filer If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes☒No☐ As of May 12, 2026, there were 30,950,000 Class A ordinary shares, par value $0.0001 per share, and 12,321,429 Class B ordinaryshares, par value $0.0001 per share, of the registrant issued and outstanding. D. BORAL ACQUISITION I CORP. TABLE OF CONTENTS PART I - FINANCIAL INFORMATION: PART I - FINANCIAL INFORMATION D. BORAL ACQUISITION I CORP.UNAUDITED STATEMENT OF OPERATIONS The accompanying notes are an integral part of these unaudited financial statements. D. BORAL ACQUISITION I CORP.UNAUDITED STATEMENT OF CASH FLOWS D. BORAL ACQUISITION I CORP.NOTES TO UNAUDITED FINANCIAL STATEMENTS NOTE 1. DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS D. Boral Acquisition I Corp. (the “Company”) is a blank check company incorporated as a BVI exempted company on April 3, 2025.The Company was formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase,reorganization or similar business combination with one or more businesses (“Business Combination”). While the Company maypursue an acquisition opportunity in any business, industry, sector or geographical location, the Company intends to identify and As of March 31, 2026, the Company had not yet commenced any operations. All activity through March 31, 2026 related to theCompany’s formation and the Initial Public Offering (as defined below). The Company will not generate any operating revenues untilafter the completion of its initial business combination, at the earliest. The Company will generate non-operating income in the form ofinterest income on cash and cash equivalents from the proceeds derived from the Initial Public Offering. The Company has selected On February 12, 2026, the Company consummated its Initial Public Offering of 28,750,000 units (the “Public Units” and, with respectto the Class A ordinary shares and public warrants included in the Public Units, the “Public Shares”, and “Public Warrants”, Simultaneously with the closing of the Initial Public Offering, the Company completed the private sale of 200,000 Units (the “PrivateUnits”) at a price of $10.00 per Unit in a private placement to the Company’s sponsor, D. Boral Sponsor I LLC (the “Sponsor”) Transaction costs amounted to $6,027,544, consisting of underwriter’s commission of $100,000, fair value of representative shares of$4,930,670 and $996,874 of other offering costs. The Company’s management has broad discretion with respect to the specific application of the net proceeds of the Initial PublicOffering and the sale of the Private Placement Warrants, although substantially all of the net proceeds are intended to be appliedgenerally toward consummating a Business Combination. The stock exchange listing rules require that the Business Combination mustbe with one or more operating businesses or assets with a fair market value equal to at least 80% of the net assets held in the TrustAccount (as defined below) (excluding the amount of deferred underwriting commissions and Permitted Withdrawals on the interestincome earned on the funds held in the Trust Account). The Company will only complete a Business Combination if the post-BusinessCombination company owns or acquires 50% or more of the issued and outstanding voting securities of the target orotherwise acquires a controlling interest in the target business sufficient for it not to be required to register as an investment companyunder the Investment Company Actof1940, as amended (the “Investment Company Act”). There is no assurance that the Company The Company will provide the holders of the outstanding Public Shares (the “Public Shareholders”) with the opportunity to redeem allor a portion of their Public Shares either (i)in connection with a general meeting called to approve the Business Combination or (ii)bymeans of a tender offer in connection with the Business Combination. The decision as to whether the Company will seek shareh