Company: SLDE
Filing Date: 2025-01-22
Form Type: DRS/A
Source: 0000950123-25-000502
Chunk: 290

Company: Slide Insurance Holdings, Inc.
Filing Date: 2025-01-22
Form: DRS/A
Chunk 290
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C                                                                                                                                                                                                      |
| 21.1    |     | Subsidiaries of the Registrant                                                                                                                                                                                                      |
| 23.1*   |     | Consent of Plante & Moran, PLLC                                                                                                                                                                                                     |
| 23.2*   |     | Consent of Forvis Mazars, LLP                                                                                                                                                                                                       |
| 23.3*   |     | Consent of Davis Polk & Wardwell LLP (included in Exhibit 5.1)                                                                                                                                                                      |
| 24.1*   |     | Power of Attorney (included on signature page)                                                                                                                                                                                      |
| 107*    |     | Filing Fee Table                                                                                                                                                                                                                    |

| * | To be filed by amendment. |

| † | Compensatory plan or arrangement. |

| ^ | Non-material schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K. The Company        
 hereby undertakes to furnish supplemental copies of any of the omitted schedules and exhibits upon request by the SEC. |

| 

# | Portions of this exhibit (indicated by asterisks) have been omitted because the registrant has determined that 
 the information is not material and is of the type that the registrant treats as private or confidential.      |

II-5

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Tampa, State of Florida, on the day of , 2025.

| SLIDE INSURANCE HOLDINGS, INC. |     |        |     |                                      |
| By:                            |     |        |     |                                      |
|                                |     | Name:  |     | Bruce Lucas                          |
|                                |     | Title: |     | Chief Executive Officer and Chairman |

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Bruce Lucas and Jesse Schalk, and each of them, his or her true and lawful attorneys-in-factand agents, with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this registration statement and any and all additional registration statements pursuant to Rule 462(b) of the Securities Act of 1933, and to file the same, with all exhibits thereto