Notification of Change in Beneficial Ownership of Securities

Brookfield Corporation ("BN") and BAM Partners Trust ("BAM Partnership"), as reporting persons, have jointly filed this Schedule 13D concerning Brookfield Business Corporation ("BBUC"). As of March 27, 2026, BN and its affiliates beneficially own 142,749,301 Class A subordinate voting shares, representing 69.0% of BBUC's outstanding shares. This ownership stems from a plan of arrangement completed on March 27, 2026, which involved the exchange of various securities for Class A Shares. BN also holds 4 Class B multiple voting shares, representing 100% of the issued Class B Shares. The reporting persons may be deemed to constitute a "group" under Section 13(d)(3) of the Act. BN and its subsidiaries intend to hold their investments in BBUC on a continuing basis and reserve the right to increase or decrease their holdings. They also reserve the right to take actions to influence BBUC's management. There are no current plans for extraordinary corporate actions, asset sales, changes in management or board, or material changes in capitalization or dividend policy, other than as described. A registration rights agreement and a voting agreement have been entered into between BN and BBUC, and BN and Brookfield Wealth Solutions Ltd., respectively.