THREE MONTHS ENDED JUNE 30, 2025 Important Cautionary Notes All amounts in this Supplemental Information are in U.S. dollars unless otherwise specified. Unless otherwise indicated, the statistical and financial data in this document is presented as at June 30, 2025. CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS AND INFORMATION Note: This Supplemental Information contains "forward-looking information" within the meaning of Canadian provincial securities laws and "forward-looking statements" withi ...

Financial Performance Highlights - Net income attributable to Unitholders for the three months ended March 31, 2025, was $80 million ($0.38 per limited partnership unit), compared to $48 million ($0.23 per limited partnership unit) in the prior period[12, 19] - Adjusted EBITDA for the three months ended March 31, 2025, was $591 million, compared to $544 million in the prior period[12, 19] - Adjusted EFO for the three months ended March 31, 2025, was $345 million ($1.60 per unit), compared to $331 million ($1.53 per unit) in the prior period[19] - Corporate liquidity as of March 31, 2025, was $2,414 million, including $59 million of cash and liquid securities and $2,330 million of availability on credit facilities[19, 24] Segment Performance - Business Services Adjusted EBITDA was $213 million, compared to $205 million in the prior period[13, 45] - Infrastructure Services Adjusted EBITDA was $104 million, compared to $143 million in the prior period, which included contribution from the shuttle tanker operation in offshore oil services that was sold in January 2025[13, 49] - Industrials Adjusted EBITDA was $304 million, compared to $228 million in the prior period, with the advanced energy storage operation contributing $233 million compared to $159 million in the prior period[13, 54] Balance Sheet and Liquidity - Total assets as of March 31, 2025, were $75,887 million, compared to $75,474 million as of December 31, 2024[23] - Non-recourse borrowings in subsidiaries were $42,316 million as of March 31, 2025, compared to $36,720 million as of December 31, 2024[23] - Corporate borrowings were $1,017 million as of March 31, 2025, compared to $2,142 million as of December 31, 2024[23] Capital Structure - Partnership units outstanding were 141.0 million as of March 31, 2025, compared to 144.0 million as of December 31, 2024[30] - BBUC exchangeable shares outstanding were 71.7 million as of March 31, 2025, compared to 73.0 million as of December 31, 2024[30] - The company invested approximately $140 million to repurchase 5.9 million of its units and shares at an average price of approximately $24 per unit and share during the quarter and subsequent to quarter end[22]