Company: CHY
Filing Date: 2025-12-29
Form Type: N-CSR
Source: 0001104659-25-124662
Chunk: 140

Company: CALAMOS CONVERTIBLE & HIGH INCOME FUND
Filing Date: 2025-12-29
Form: N-CSR
Chunk 140
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 note payable aggregating a total value of $414,016,698. ‡ Variable rate security. The rate shown is the rate in effect at October 31, 2025. ^ Security, or portion of security, is on loan. @ In default status and considered non-income producing. !! Restricted security—The Fund may own investment securities that have other legal or contractual limitations.

| RESTRICTED SECURITY |     | ACQUISITION DATE |     | ACQUISITION COST |         |
|:--------------------|:----|:-----------------|:----|:-----------------|--------:|
| Rite Aid Corp.      |     | 12/01/2024       |     | $                | 108,875 |
| TOTAL               |     |                  |     | $                | 108,875 |

†† When-issued security. § Securities exchangeable or convertible into securities of one or more entities that are different than the issuer. Each entity is identified in the parenthetical. ¡ Bank loans generally are subject to mandatory and/or optional prepayment. As a result, the actual remaining maturity of bank loans may be substantially less than the stated maturities shown. ! This position represents an unsettled loan commitment at period end. Certain details associated with this purchase are not known prior to the settlement date, including coupon rate, which will be adjusted on settlement date. 

# Non-income producing security. ‡‡ Perpetual maturity. Note: The date on options represents the expiration date of the option contract. The option contract may be exercised at any date on or before the date shown.
See accompanying Notes to Schedule of Investments www.calamos.com
123 Convertible and High Income Fund Schedule of Investments October 31, 2025

The following table summarizes the Fund's investments and derivative financial instruments categorized in the fair value hierarchy as of October 31, 2025 (see Note 1):

| Assets:                             |     | LEVEL 1 |             |     | LEVEL 2 |               |     | LEVEL 3 |   |     | TOTAL |               |
|:------------------------------------|:----|:--------|------------:|:----|:--------|--------------:|:----|:--------|:--|:----|:------|--------------:|
| Asset Backed Security               |     | $       |           — |     | $       |       826,117 |     | $       | — |     | $     |       826,