Company: CHY
Filing Date: 2025-02-24
Form Type: 424B5
Source: 0001104659-25-016491
Chunk: 58

Company: CALAMOS CONVERTIBLE & HIGH INCOME FUND
Filing Date: 2025-02-24
Form: 424B5
Chunk 58
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 Fund’s managed assets. Structural leverage refers to fundings under the SSB Agreement where the source of the funding is the Fund’s securities lending activities as managed by SSB in accordance with the SSB Agreement. See “Leverage.” The Fund’s common shares are listed on Nasdaq under the symbol “CHY.” The Fund’s principal office is located at 2020 Calamos Court, Naperville, Illinois 60563, and its telephone number is 800-582-6959. The following table provides information about our outstanding securities as of January 31, 2025:

| Title of Class |     | Amount     
 Authorized |           |     | Amount          
 Held by         
 the Fund or     
 for its Account |   |     | Amount      
 Outstanding |            |
| Common Shares  |     |            | Unlimited |     |                 | 0 |     |             | 77,964,986 |
| MRPS-Series C  |     |            | 1,480,000 |     |                 | 0 |     |             |  1,480,000 |
| MRPS-Series D  |     |            | 1,400,000 |     |                 | 0 |     |             |  1,400,000 |
| MRPS-Series E  |     |            | 1,460,000 |     |                 | 0 |     |             |  1,460,000 |
| MRPS-Series G  |     |            | 1,440,000 |     |                 | 0 |     |             |  1,440,000 |

INVESTMENT OBJECTIVE AND PRINCIPAL INVESTMENT STRATEGIES Investment Objective The Fund’s investment objective is to provide total return through a combination of capital appreciation and current income. The Fund’s investment objective may be changed by the Board of Trustees without a shareholder vote, although the Fund will give shareholders at least 60 days’ written notice of any change to the Fund’s investment objective. The Fund makes no assurance that it will realize its objective. An investment in the Fund may be speculative in that it involves a high degree of risk and should not constitute a complete investment program. See “Risk Factors.” Principal Investment Strategies Under normal circumstances, the Fund invests at least 80% of its managed assets in a diversified portfolio of convertible securities and below investment grade (high yield/high risk) non-convertible debt securities. This is a non-fundamental policy and may