Company: TSI
Filing Date: 2025-08-08
Form Type: N-2
Source: 0001193125-25-177098
Chunk: 19

Company: TCW STRATEGIC INCOME FUND INC
Filing Date: 2025-08-08
Form: N-2
Chunk 19
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 remain the same in the years shown. This example reflects all recurring and non-recurringfees. For more complete descriptions of certain of the Fund’s costs and expenses, see “Management of the Fund — Advisory Agreement.” 11

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 |   |   |
|:-------|:--|:--|:----|:--------|:--|:--|:----|:--------|:--|:--|:----|:---------|:--|:--|
| $      | [ | ] |     | $       | [ | ] |     | $       | [ | ] |     | $        | [ | ] |

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 [ ], 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 December 31, 2024 and are incorporated by reference into this Prospectus and SAI. The financial information for the period ended June 30, 2025 is unaudited. 12

TCW Strategic Income Fund, Inc. Financial Highlights

|                                                                 |     | Six Month      
 Period         
 Ended June 30, 
 2025           
 (Unaudited)    |   |       |     | Year Ended   
 December 31, 
 2024         |   |    |     | Year Ended   
 December 31, 
 2023         |   |    |     | Year Ended   
 December 31, 
 2022         |   |    |     | Year Ended   
 December 31, 
 2021         |   |      |     | Year Ended   
 December 31, 
 2020         |   |    |
|:----------------------------------------------------------------|:----|:---------------|:--|:------|:----|:-------------|:--|:---|:----|:-------------|:--|:---|:----|:-------------|:--|:---