Investor Presentation

Disclaimer bird TERMINOLOGY AND NON-GAAP & OTHER FINANCIAL MEASURES (continued) • • • "Current Ratio" is a supplementary financial measure representing the percentage derived by dividing total current assets by total current liabilities. "General and Administrative expenses as a percentage of revenue" is a supplementary financial measure representing the percentage derived by dividing general and administrative expenses by construction revenue. "Adjusted Net Debt" is a non-GAAP financial measure defined as current and long-term loans and borrowings as disclosed in the Company's statement of financial position, less accessible cash, as disclosed in the Company's notes to the financial statements. Management uses this as a measure of financial leverage and is part of its assessment of the Company's capital structure. At March 31, 2023, Adjusted Net Debt of $23,663 is calculated as: Loans and borrowings (non-current) $65,108 plus Current portion of loans and borrowings $6,587 minus Accessible cash $48,032. "Adjusted Net Debt to TTM Adjusted EBITDA" is a non-GAAP financial ratio calculated by dividing Adjusted Net Debt by the Company's trailing twelve month Adjusted EBITDA. Management uses this as a measure of financial leverage and is part of its assessment of the Company's capital structure. "LT Loans & Borrowings to Equity" is a supplementary financial measure calculated as non-current loans and borrowings divided by total shareholders' equity, as disclosed in the Company's consolidated statement of financial position www.bird.ca BIRD CONSTRUCTION INC. INVESTOR PRESENTATION 4

View entire presentation