Company: LGN
Filing Date: 2025-02-14
Form Type: DRS
Source: 0000950123-25-002471
Chunk: 190

Company: Legence Corp.
Filing Date: 2025-02-14
Form: DRS
Chunk 190
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 and after giving 
 effect to the application of the net proceeds therefrom);                                                                                                                                                           |

| • |     | the investors in this offering will collectively hold   % of the voting power in us (or                                                                                                  
 % if the underwriters exercise in full their option to purchase additional shares of Class A Common Stock and after giving effect to the application of the net proceeds therefrom); and |

| • |     | the Existing Owners will, through their ownership of each of the Legence Investment Aggregators, hold                                                                                                                  
 % of the voting power in us (or   % if the underwriters exercise in full their option to purchase additional shares of Class A Common Stock and after giving effect to the application of the net proceeds therefrom). |

Effect of the Corporate Reorganization The Corporate Reorganization is intended to create a holding company that will facilitate public ownership of, and investment in, us and to be structured in a tax-efficientmanner for the Existing Owners and is intended to provide tax advantages to the public company and such Existing Owners. The Existing Owners that will hold through Legence Investment Aggregator I desire that their investment maintain its existing tax treatment as a 130

Confidential Treatment Requested by Legence Corp.

Pursuant to 17 C.F.R. Section 200.83

partnership for U.S. federal income tax purposes not subject to entity-level tax and, therefore, will continue to hold their ownership interests indirectly in Legence Holdings until such time in
the future as they or Legence Investment Aggregator I may elect to cause us to redeem or exchange their LGN Units and a corresponding number of Class B Common Stock for a corresponding number of shares of our Class A Common Stock.
Additionally, because Legence Investment Aggregator I is entitled to have its LGN Units and a corresponding number of Class B Common Stock redeemed or exchanged for a corresponding number of shares of our Class A Common Stock, the UP-C structure also provides the Existing Owners that will hold through Legence Investment Aggregator I with potential liquidity for their LGN Units that holders of
non-publicly traded limited liability companies are not typically afforded.

The UP-C structure also provides future tax benefits for both the public company and certain of the Existing Owners. As described further below under “—Holding Company Structure” and “Certain
Relationships and Related Party Transactions—Tax Receivable Agreement,” additional acquisitions by Legence of LGN Units from Legence Investment Aggregator I or any of the Existing Owners that will own an