Company: APM
Filing Date: 2025-07-15
Form Type: DRS
Source: 0001213900-25-063906
Chunk: 422

Company: Aptorum Group Ltd
Filing Date: 2025-07-15
Form: DRS
Chunk 422
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 and 2023, respectively. For the year ended December 31, 2022, a loss on disposal of $205,189 related to a patented license was recognized in research and development expenses. Prepaid patented licenses and computer software are finite -livedintangible assets which are amortized over their estimated useful life. Amortization expenses for finite -livedintangible assets amounted to $19,219, $84,020 and $114,553 for the years ended December 31, 2024, 2023 and 2022, respectively. The Group does not expect any amortization expense related to its finite -livedintangible assets for the next five years and thereafter to be as follows as of December 31, 2024.

F-19

APTORUM GROUP LIMITED
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Stated in U.S. Dollars) 9. LONG-TERM DEPOSITS Long -termdeposits as of December 31, 2024 and 2023 consisted of:

|                 |     |   | December 31, 
         2024 |     |   | December 31, 
         2023 |
|:----------------|:----|:--|-------------:|:----|:--|-------------:|
| Rental deposits |     | $ |       71,823 |     | $ |       71,823 |
|                 |     | $ |       71,823 |     | $ |       71,823 |

10. ACCOUNTS PAYABLE AND ACCRUED EXPENSES Accounts payable and accrued expenses as of December 31, 2024 and 2023 consisted of:

|                                           |     |   | December 31, 
         2024 |     |   | December 31, 
         2023 |
|:------------------------------------------|:----|:--|-------------:|:----|:--|-------------:|
| Deferred bonus and salaries payable       |     | $ |            — |     | $ |      451,660 |
| Research and development expenses payable |     |   |      778,205 |     |   |    1,162,155 |
| Professional fees payable                 |     |   |      127,031 |     |   |      175,324 |
| Cost of healthcare services payable       |     |   |            — |     |   |       61,826 |
|