Company: CHY
Filing Date: 2025-12-29
Form Type: N-CSR
Source: 0001104659-25-124662
Chunk: 153

Company: CALAMOS CONVERTIBLE & HIGH INCOME FUND
Filing Date: 2025-12-29
Form: N-CSR
Chunk 153
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   |     | $ | 110,000 |    |     | $ | 110,000 |   |     | $ |       — |    |
| Notes Payable (000's omitted)                                                                                     |     | $                      | 340,400 |    |     | $ | 365,400 |    |     | $ |   435,400 |    |     | $ | 318,400 |   |     | $ | 303,900 |   |     | $ | 315,500 |    |     | $ | 302,500 |   |     | $ | 337,000 |    |
| Asset coverage per $1,000 of loan outstanding(d)                                                                  |     | $                      |   3,556 |    |     | $ |   3,635 |    |     | $ |     4,106 |    |     | $ |   4,386 |   |     | $ |   4,055 |   |     | $ |   3,904 |    |     | $ |   4,236 |   |     | $ |   3,440 |    |
| Asset coverage per $25 liquidation value per share of Mandatory Redeemable Preferred Shares(e)                    |     | $                      |     209 |    |     | $ |     229 |    |     | $ |       308 |    |     | $ |     317 |   |     | $ |     280 |   |     | $ |     280 |    |     | $ |     291 |   |     | $ |       — |    |

www.calamos.com
227 Calamos Strategic Total Return Fund Financial Highlights

Selected data for a share outstanding throughout each year were as follows:

|                                                                 |     | YEAR ENDED OCTOBER 31, |      2025 |    |     |   |      2024 |    |     |   |      2023 |    |     |   |      2022 |    |     |   |      2021 |   |
|:----------------------------------------------------------------|:----|:-----------------------|----------:|:---|:----|:--|----------:|:---|:----|:--|----------:|:---|:----|:--|----------:|:---|:----|:--|----------:|:--|
| PER SHARE OPER