Exhibit 99.1 TELESAT CORPORATION Quarterly Report For the Three and Nine Month Periods Ended September 30, 2023 PART I. FINANCIAL INFORMATION | --- | --- | --- | |---------|---------------------------------------------------------------------------------------|-------| | Item 1. | Financial Statements | 1 | | Item 2. | Management's Discussion and Analysis of Financial Condition and Results of Operations | 26 | | Item 3. | Quantitative and Qualitative Disclosures About Market Risk | 55 | PART II. OTHER INFOR ...