Company: LGN
Filing Date: 2025-08-25
Form Type: S-1/A
Source: 0001193125-25-186788
Chunk: 31

Company: Legence Corp.
Filing Date: 2025-08-25
Form: S-1/A
Chunk 31
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 119,835 |    |     | $    |   166,410 |    |     | $    |   229,625 |    |     |                     |          |   |
| Adjusted EBITDA Margin(5)                                         |     |                        |              11.0 | %  |     |      |      11.1 | %  |     |      |               9.6 | %  |     |      |      10.3 | %  |     |      |      10.9 | %  |     |                     |          |   |

| (1) | Cash flows used in investing activities primarily consist of capital expenditures, such as the purchase of 
 property or equipment, and payments for the acquisition of businesses.                                     |

| (2) | Net loss divided by revenue. |

| (3) | Subcontractor Expense represents the cost of third-party contractors that we use and is included in Cost of                                                                                                                                              
 Revenue. We typically incur Subcontractor Expense in connection with the provision of construction management services. On jobs where we use subcontractors, we may pass those costs on directly to our customers as a specific line item or incorporate 
 them into our overall contract price for the job.                                                                                                                                                                                                        |

| (4) | Adjusted EBITDA is not calculated in accordance with GAAP. See                                                                         
 “—Non-GAAP Financial Measures” for a description of Adjusted EBITDA and a reconciliation to the most directly comparable GAAP measure. |

19

| (5) | Adjusted EBITDA Margin is not calculated in accordance with GAAP. See                                                                         
 “—Non-GAAP Financial Measures” for a description of Adjusted EBITDA Margin and a reconciliation to the most directly comparable GAAP measure. |

Non-GAAPFinancial Measures Adjusted EBITDA and Adjusted EBITDA Margin are financial measures not presented in accordance with GAAP but are intended to provide useful and supplemental information to investors and analysts as they evaluate our performance. EBITDA is defined as earnings before interest and other financing expenses, taxes, depreciation and amortization. Adjusted EBITDA is defined as EBITDA adjusted to exclude goodwill impairment, net loss on sale and disposition of property and equipment, changes in the fair value of contingent consideration liabilities, acquisition and integration costs, system deployment costs, strategic initiative costs, stock-based compensation expense, profits from an accelerated project sale, credit agreement amendment fees and litigation settlements. Adjusted EBITDA Margin