Company: RMIX
Filing Date: 2025-11-12
Form Type: S-4
Source: 0001104659-25-110488
Chunk: 666

Company: Suncrete, Inc.
Filing Date: 2025-11-12
Form: S-4
Chunk 666
---
ITS AND SCHEDULES

| ​ | Exhibit A    | ​ | ​ | Form of Amended and Restated PubCo Certificate of Incorporation | ​ |
| ​ | Exhibit B    | ​ | ​ | Form of Amended and Restated PubCo Bylaws                       | ​ |
| ​ | Exhibit C    | ​ | ​ | Form of Omnibus Incentive Plan                                  | ​ |
| ​ | Exhibit D    | ​ | ​ | Form of ESPP                                                    | ​ |
| ​ | Exhibit E    | ​ | ​ | Form of Dothan Management Agreement Amendment                   | ​ |
| ​ | Exhibit F    | ​ | ​ | Sponsor Support Agreement                                       | ​ |
| ​ | Exhibit G    | ​ | ​ | Company Equityholder Support Agreement                          | ​ |
| ​ | Schedule A   | ​ | ​ | Company Knowledge Parties                                       | ​ |
| ​ | Schedule B   | ​ | ​ | PubCo Director Nominees                                         | ​ |
| ​ | Schedule I   | ​ | ​ | Sponsor Knowledge Parties                                       | ​ |
| ​ | Schedule II  | ​ | ​ | SPAC Director and Officer Resignations                          | ​ |
| ​ | Schedule III | ​ | ​ | Director Designee Terms                                         | ​ |

A-iv

TABLE OF CONTENTS

### BUSINESS COMBINATION AGREEMENT
This BUSINESS COMBINATION AGREEMENT, dated as of October 9, 2025 (this “

#### Agreement
”), is entered into by and among Haymaker Acquisition Corp. 4, a Cayman Islands exempted company (which shall be de-registered as a Cayman Islands exempted company and transfer by way of continuation to the State of Delaware and domesticate as a Delaware corporation in connection with the consummation of the transactions contemplated hereby) (together with its successor, “

#### SPAC
”), SunCrete, Inc., a Delaware corporation and wholly owned direct Subsidiary of SPAC (“

#### PubCo
”), Haymaker Merger Sub I, Inc., a Delaware corporation and wholly owned direct Subsidiary of PubCo (“

#### Merger Sub I
”), Haymaker Merger Sub II, LLC, a Delaware limited liability company and a wholly owned Subsidiary of PubCo (“

#### Merger Sub II
”, and together with Merger Sub I, the “

#### Merger Subs
”) and Concrete Partners Holding, LLC, a Delaware limited liability company (the “

#### Company