Company: LGN
Filing Date: 2025-04-30
Form Type: DRS/A
Source: 0000950123-25-003868
Chunk: 5

Company: Legence Corp.
Filing Date: 2025-04-30
Form: DRS/A
Chunk 5
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 Legence Holdings LLC Agreement, which, with respect to holders other than Legence (including through the Pubco Subsidiaries), shall only be held along with a corresponding number of shares of Class B Common Stock. |

| • |     | “LGN Unit Holder” refers to a holder of LGN Units (other than Legence and the Pubco Subsidiaries) and a 
 corresponding number of shares of Class B Common Stock.                                                 |

| • |     | “LLC Interests” refers to the limited liability company interests of Legence Parent prior to this 
 offering.                                                                                         |

| • |     | “Management Members” refers to certain current and former officers, employees and service providers                                                                                        
 (and their permitted transferees) of Legence Parent who directly or indirectly own equity interests in Legence Parent immediately prior to the completion of the Corporate Reorganization. |

| • |     | “MEP” refers to mechanical, electrical and plumbing. |

| • |     | “net revenue retention” means revenue for the current period less revenue in the current period from                                                                                                                                                 
 all clients that were not clients in the prior period, divided by revenue in the prior period, and excluding any revenue from jobs for which the client was not identified (which represented less than 2% of revenue in 2021, 2022, 2023 and 2024), 
 after giving pro forma effect to acquisitions made over that period.                                                                                                                                                                                 |

| • |     | “Offering Transactions” has the meaning ascribed to it in “Unaudited Pro Forma Consolidated 
 Financial Information.”                                                                     |

| • |     | “Pubco Subsidiaries” refers to certain wholly owned subsidiaries of Legence, through which Legence will 
 indirectly own ownership interests in Legence Holdings following the Corporate Reorganization.          |

iii

Confidential Treatment Requested by Legence Corp. Pursuant to 17 C.F.R. Section 200.83

| • |     | “Revolving Credit Facility” refers to the revolving facility provided under the Credit Agreement. |

| • |     | “RFP” refers to a request for proposal. |

| • |     | “selling stockholder” refers to Aggregator II. |

| • |     | “Sustainability Services” refers to IDC’s Purpose-Built Sustainability Services, which includes                                                
 strategy, operations and business model, finance and accounting, governance, risk and compliance, human capital management and communications. |

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