Company: LGN
Filing Date: 2025-08-15
Form Type: S-1
Source: 0001193125-25-181698
Chunk: 128

Company: Legence Corp.
Filing Date: 2025-08-15
Form: S-1
Chunk 128
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|                                    |     | $                         |         |     | % Margin |      |   |     | $ |         |     | % Margin |      |   |     | $                     |        |     | % |       |     | % Margin |     |   |
| Gross profit:                      |     |                           |         |     |          |      |   |     |   |         |     |          |      |   |     |                       |        |     |   |       |     |          |     |   |
| Engineering & Consulting segment   |     | $                         |  89,622 |     |          | 35.7 | % |     | $ | 123,764 |     |          | 36.2 | % |     | $                     | 34,142 |     |   | 38.1% |     |          | 0.5 | % |
| Installation & Maintenance segment |     |                           | 109,658 |     |          | 14.8 | % |     |   | 116,614 |     |          | 15.3 | % |     |                       |  6,956 |     |   | 6.3%  |     |          | 0.5 | % |
| Consolidated gross profit          |     | $                         | 199,280 |     |          | 20.1 | % |     | $ | 240,378 |     |          | 21.8 | % |     | $                     | 41,098 |     |   | 20.6% |     |          | 1.7 | % |

Engineering & Consulting:The $34.1 million, or 38.1%, increase in gross profit for the six months ended June 30, 2025 compared to the six months ended June 30, 2024 was primarily attributable to higher revenue. Higher gross margin resulted from a mix shift towards the Engineering & Design service line which also contributed to the growth in gross profit. Installation & Maintenance: The $7.0 million, or 6.3%, increase in gross profit for the six months ended June 30, 2025 compared to the six months ended June 30, 2024 was primarily attributable to higher revenue and 90

margins from our Installation & Fabrication service line, which more than compensated for a lower percentage weighting in our revenue