Company: CHY
Filing Date: 2025-02-21
Form Type: N-2ASR
Source: 0001104659-25-016081
Chunk: 175

Company: CALAMOS CONVERTIBLE & HIGH INCOME FUND
Filing Date: 2025-02-21
Form: N-2ASR
Chunk 175
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. This prospectus supplement and the attached prospectus do not constitute an offer to sell these securities or a solicitation of an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Form of Prospectus Supplement (To Prospectus dated [Date ]) $ Calamos Convertible and High Income Fund Preferred Shares Shares, Series Liquidation Preference $[] per share Calamos Convertible and High Income Fund (the “Fund,” “we”, “us” or “our”) is a diversified, closed-end management investment company. Our investment objective is to provide total return through a combination of capital appreciation and current income. We are offering an additional series (“Series “) of our series preferred shares (referred to as “Preferred Shares” or “Series Preferred Shares”) in this prospectus supplement. This prospectus supplement is not complete and should be read in conjunction with our prospectus dated [], 20[] (the “prospectus”), which accompanies this prospectus supplement. This prospectus supplement does not include all information that you should consider before purchasing any Preferred Shares. You should read this prospectus supplement and our prospectus prior to purchasing any Preferred Shares. The Series Preferred Shares offered in this prospectus supplement, together with the previously issued and currently outstanding Preferred Shares, are collectively referred to as “Preferred Shares.” Individual series of Preferred Shares are referred to as a “series.” Except as otherwise described in this prospectus supplement, the terms of this series and all other series are the same. The Preferred Shares have a liquidation preference of $[] per share, plus any accumulated, unpaid dividends. The Preferred Shares also have priority over the Fund’s common shares as to distribution of assets as described in this prospectus supplement. Investing in Preferred Shares involves certain risks, including the risks associated with the Fund’s use of leverage. See “Risk Factors” beginning on page [] of the prospectus and beginning on page [] of this prospectus supplement. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

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| Public offering price               |     | $         | [] |     | $     | [] |
| Sales load                          |     | $         | [] |     | $     | [] |