November 5, 2025 Q3 2025 Supplemental Financial Information Use of Non-GAAP Financial Measures Inogen has presented certain financial information in accordance with U.S. GAAP and also on a non-GAAP basis for the three and nine months ended September 30, 2025, and September 30, 2024, including EBITDA; adjusted EBITDA; adjusted operating expense; adjusted loss from operations; adjusted net loss; and adjusted diluted EPS. Management believes that non-GAAP financial measures, taken in conjunction with U.S. GAAP ...