Company: CHY
Filing Date: 2025-12-29
Form Type: N-CSR
Source: 0001104659-25-124662
Chunk: 21

Company: CALAMOS CONVERTIBLE & HIGH INCOME FUND
Filing Date: 2025-12-29
Form: N-CSR
Chunk 21
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 $         | 11.19 |     |                     | 10.73 | % |     |     |  0.38 | % |

Source: Fund Accounting Records (1)Based on high and low closing market price per share during the respective quarter and does not reflect commissions. (2)Based on the NAV calculated on the close of business on the last business day of each calendar quarter. (3)Premium and discount information is shown for the days when the Fund experienced its high and low closing market prices, respectively, per share during the respective quarter.

CALAMOS CLOSED-END FAMILY OF FUNDS ANNUAL REPORT
16 Additional Information About the Funds (Unaudited)

Calamos Strategic Total Return Fund GROWTH OF $10,000: FOR THE 10-YEAR PERIOD ENDED 10/31/25 AVERAGE ANNUAL TOTAL RETURN †AS OF 10/31/25

|                                               |     | 1    
 YEAR |       |   |     | 5     
 YEARS |       |   |     | 10    
 YEARS |       |   |     | SINCE     
 INCEPTION |       |   |
| Calamos Strategic Total Return Fund           |     |      |       |   |     |       |       |   |     |       |       |   |     |           |       |   |
| Market Price                                  |     |      | 19.39 | % |     |       | 17.21 | % |     |       | 15.68 | % |     |           |  9.91 | % |
| NAV                                           |     |      | 27.10 |   |     |       | 18.09 |   |     |       | 15.00 |   |     |           | 10.54 |   |
| 50%SPX-25%VXAO-25%BBGUSHY2%Cap Index          |     |      | 18.52 |   |     |       | 12.65 |   |     |       | 11.77 |   |     |           |  9.60 |   |
| S&P 500 Index                                 |     |      | 21.45 |   |     |       | 17.64 |   |     |       | 14.64 |   |     |           | 10.90 |   |
| ICE BofA All US Convertibles Index (VXA0