Company: WBI
Filing Date: 2025-09-18
Form Type: 424B4
Source: 0001193125-25-206805
Chunk: 354

Company: WaterBridge Infrastructure LLC
Filing Date: 2025-09-18
Form: 424B4
Chunk 354
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,228 |   |     |   |             9,041 |   |
| Less: historical depreciation, amortization and accretion expense                                                                                                                                                                            |             |          |                                        |     |   |            |     |                                                |           (3,088 | ) |     |   |            (4,226 | ) |
| Total pro forma adjustment to depreciation, amortization and accretion expense                                                                                                                                                               |             |          |                                        |     |   |            |     | $                                              |            2,140 |   |     | $ |             4,815 |   |
| (1) Includes depletable assets for solid waste management facilities with a fair value of $18.0 million. Depletable assets are depleted based on usage, as such the weighted average remaining useful life does not account for such assets. |             |          |                                        |     |   |            |     |                                                |                  |   |     |   |                   |   |

(f) Reflects the elimination of Desert Environmental’s debt issuance cost amortization associated with the Term Loan and the Revolving Credit Facility.

<div align='center'>F-15

WaterBridge Infrastructure LLC

Notes to the Unaudited Pro Forma Condensed Combined Financial Statements</div>

Corporate Reorganization and Offering Adjustments to Unaudited Pro Forma Condensed Combined Financial Information The Company made the following adjustments and assumptions in the preparation of the unaudited pro forma condensed combined balance sheet: (a) Reflects an increase in cash of $30.0 million related to additional borrowings the Company made under its NDB Revolving Credit Facility and the WBM Revolving Credit Facility that occurred subsequent to June 30, 2025. In addition, reflects the following adjustments:

| Gross proceeds from Offering                                   |     | $ | 634,000 |
| Less:                                                          |     |   |         |
| Underwriting discounts and commissions                         |     |   |  38,040 |
| Issuance expenses(1)                                           |     |   |   6,810 |
| Proceeds, net of underwriting and issuance expenses            |     | $ | 589,150 |
| Less:                                                          |     |   |         |
| Repayment of outstanding debt                                  |     |   | 129,000 |
| Acquisition of OpCo interests                                  |     |   | 228,162 |
| Retained proceeds from offering                                |     | $ | 231,988 |
|