Company: CHY
Filing Date: 2025-08-29
Form Type: 424B3
Source: 0001104659-25-085285
Chunk: 4

Company: CALAMOS CONVERTIBLE & HIGH INCOME FUND
Filing Date: 2025-08-29
Form: 424B3
Chunk 4
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 E. Neal(3)       |     | $                  | 8,485 |     | $                  | 301,250​ |
| Jeffrey          
 S. Phlegar(2)    |     | $                  |     0 |     | $                  |        0 |
| William          
 R. Rybak         |     | $                  | 8,105 |     | $                  |  231,250 |
| Karen            
 L. Stuckey       |     | $                  | 8,105 |     | $                  |  231,250 |
| Christopher      
 M. Toub          |     | $                  | 7,725 |     | $                  |  221,250 |
| Lloyd            
 A. Wennlund      |     | $                  | 7,725 |     | $                  |  221,250 |
| Mark             
 J. Mickey        |     | $                  | 7,190 |     | $                  |  189,742 |

| 1 
 2 | As of October, 31, 2024, the Fund Complex consisted of Calamos Investment Trust, Calamos Advisors Trust, Calamos Convertible Opportunities and Income Fund, Calamos Convertible and High Income Fund, Calamos Strategic Total Return Fund, Calamos Global Total Return Fund, Calamos Global Dynamic Income Fund, Calamos Dynamic Convertible and Income Fund, Calamos Long/Short Equity & Dynamic Income Trust, Calamos ETF Trust, Calamos Antetokounmpo Sustainable Equities Trust and Calamos Aksia Alternative Credit and Income Fund. 
 Messrs. Armstrong, Koudounis, and Phlegar were elected to the Board effective September 1, 2025.                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|:--|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 3 | Includes fees deferred during the year pursuant to the deferred compensation plan described below.                                                                                                                                                                                                                                                                                                                                                                                                                                        |

The compensation paid to the non-interested trustees of Calamos Funds
for their services as such consists of an annual retainer fee in the amount of $210,000, with annual supplemental retainers of $40,000
to the lead independent trustee, $20,000 to the chair of the audit committee and $10,000 to the chair of any other committee. Each non-interested
trustee also receives a meeting attendance fee of $7,000 for any special board meeting attended in person, and $3,