Company: RMIX
Filing Date: 2025-11-12
Form Type: S-4
Source: 0001104659-25-110488
Chunk: 898

Company: Suncrete, Inc.
Filing Date: 2025-11-12
Form: S-4
Chunk 898
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 Title: [•]

<div align='center'>E-1</div>

TABLE OF CONTENTS

#### EXHIBIT A​

### AMENDED AND RESTATED

### CERTIFICATE OF INCORPORATION

#### OF

#### SUNCRETE, INC.
<div align='center'>ARTICLE I 
 NAME</div>

The name of the corporation is Suncrete, Inc. (the “

#### Corporation
”).

<div align='center'>ARTICLE II 
 PURPOSE</div>

The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware (the “

#### DGCL
”).

<div align='center'>ARTICLE III 
 REGISTERED AGENT</div>

The street address of the registered office of the Corporation in the State of Delaware is 615 South Dupont Highway, Dover, Delaware 19901, County of Kent, and the name of the Corporation’s registered agent at such address is Capitol Services, Inc.

<div align='center'>ARTICLE IV 
 CAPITALIZATION</div>

Section 4.1 Authorized Capital Stock .

The total number of shares of capital stock that the Corporation is authorized to issue is 510,000,000 shares, divided into three classes consisting of (a) 400,000,000 shares of Class A common stock, par value $0.0001 per share (“

#### Class A Common Stock
”); (b) 100,000,000 shares of Class B common stock, par value $0.0001 per share (“

#### Class B Common Stock
” and, together with Class A Common Stock, the “

#### Common Stock
”); and (c) 10,000,000 shares of preferred stock, par value $0.0001 per share (“

#### Preferred Stock
”).

The number of authorized shares of Preferred Stock or either class of Common Stock may be increased or decreased (but not below the number of shares thereof then-outstanding) by the affirmative vote of the holders of a majority in voting power of the stock of the Corporation entitled to vote thereon irrespective of the provisions of Section 242(b)(2) of the DGCL (or any successor provision thereto), and no vote of the holders of either the Preferred Stock or either class of Common Stock voting separately as a class shall be required therefor, unless a vote of any such holder is required pursuant to this Certificate (including any certificate of designation relating