New Mountain Finance Pro Forma Filing Details Asset Sale

New Mountain Finance Corporation filed Exhibit 99.1 with pro forma consolidated statements of assets, liabilities, and operations for December 31, 2025. The pro forma adjustments reflect the impact of an asset sale at 94% of the December 31, 2025 fair value.

In the pro forma balance sheet, total assets are shown as $2,902,853 with pro forma adjustments of $(407,625), resulting in pro forma total assets of $2,495,228. The pro forma statement of operations shows net realized and unrealized losses of $(154,607) after pro forma adjustments of $(35,222).