Company: TSI
Filing Date: 2025-10-06
Form Type: N-2/A
Source: 0001193125-25-232082
Chunk: 20

Company: TCW STRATEGIC INCOME FUND INC
Filing Date: 2025-10-06
Form: N-2/A
Chunk 20
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 Reinvestment Plan.” EXAMPLE

An investor would directly or indirectly pay the following expenses on a $1,000 investment in the Fund, assuming a 5% annual return and that the Fee Waiver Agreement will expire after November 1, 2026. This example assumes that (i) all dividends and other distributions are reinvested at NAV, and (ii) the percentage amounts listed under “Total annual expenses” above remain the same in the years shown. This example reflects all recurring and non-recurring fees. For more complete descriptions of certain of the Fund’s costs and expenses, see “Management of the Fund — Advisory Agreement.”

The example should not be considered a representation of future expenses or rate of return and actual Fund expenses may be greater or less than those shown.

| 1 Year |    |     | 3 Years |    |     | 5 Years |    |     | 10 Years |     |
|:-------|---:|:----|:--------|---:|:----|:--------|---:|:----|:---------|----:|
| $      | 11 |     | $       | 34 |     | $       | 59 |     | $        | 134 |

FINANCIAL HIGHLIGHTS The financial highlights table is intended to help you understand the Fund’s financial performance. The information in this table for the past five years is derived from the Fund’s financial statements audited by Deloitte & Touche LLP, an independent registered public accounting firm for the Fund, whose report on such financial statements, together with the financial statements of the Fund, are included in the Fund’s annual report to stockholders for the fiscal year ended December31, 2024and are incorporated by reference into this Prospectus and SAI. The financial information for the period ended June 30, 2025 is unaudited and is included in the Fund’s semi-annual report to stockholders for the period ended June30, 2025and is incorporated by reference into this Prospectus and SAI. 14

TCW Strategic Income Fund, Inc. Financial Highlights

|                                                                 |     |   | Six MonthsEnded June 30,2025(Unaudited) |    |     |   | Year EndedDecember 31,2024 |    |     |   | Year EndedDecember 31,2023 |   |     |   | Year EndedDecember 31,2022 |    |     |   | Year EndedDecember 31,