Exhibit 99.1
| New Mountain Finance Corporation | ||||||
| Pro Forma Consolidated Statements of Assets and Liabilities | ||||||
| in thousands | December 31, 2025 | Pro Forma Adjustments (1) | Pro Forma December 31, 2025 | |||
| Assets | ||||||
| Total investments at fair value | 2,742,013 | (467,980) | (2) | 2,274,033 | ||
| Cash and cash equivalents | 80,718 | 60,355 | (3) | 141,073 | ||
| All other assets | 80,122 | - | 80,122 | |||
| Total assets | $ 2,902,853 | $ (407,625) | $ 2,495,228 | |||
| Liabilities | ||||||
| Borrowings | ||||||
| Unsecured Notes | 991,585 | - | 991,585 | |||
| Holdings Credit Facility | 420,063 | (232,116) | 187,947 | |||
| Other borrowings | 259,404 | (140,287) | 119,117 | |||
| Net borrowings | 1,671,052 | (372,403) | 1,298,649 | |||
| All other liabilities | 43,545 | - | 43,545 | |||
| Total liabilities | 1,714,597 | (372,403) | 1,342,194 | |||
| Net Assets | ||||||
| Paid in capital in excess of par | 1,354,726 | - | 1,354,726 | |||
| Accumulated overdistributed earnings | (121,676) | (35,222) | (156,898) | |||
| Other | (50,873) | - | (50,873) | |||
| Total net assets of New Mountain Finance Corporation | 1,182,177 | (35,222) | 1,146,955 | |||
| Non-controlling interest in New Mountain Net Lease Corporation | 6,079 | - | 6,079 | |||
| Total net assets | 1,188,256 | (35,222) | 1,153,034 | |||
| - | ||||||
| Total liabilities and net assets | 2,902,853 | (407,625) | 2,495,228 | |||
| (1) Pro forma adjustment represents the impact of the Asset Sale at 94% of December 31, 2025 fair value | ||||||
| (2) Fair value of assets sold as of December 31, 2025, inclusive of partial paydown received by the Company and asset purchase made by the Company on 3/12 | ||||||
| (3) Includes estimated seller and transaction expenses | ||||||
| New Mountain Finance Corporation | ||||||
| Pro Forma Consolidated Statements of Operations | ||||||
| Year ended | Year ended | |||||
| in thousands | December 31, 2025 | Pro Forma Adjustments (1) | Pro Forma December 31, 2025 | |||
| Investment income | ||||||
| From non-controlled/non-affiliated investments | $ 236,589 | - | $ 236,589 | |||
| From non-controlled/affiliated investments | 8,522 | - | 8,522 | |||
| From controlled investments | 81,973 | - | 81,973 | |||
| Total investment income | 327,084 | - | 327,084 | |||
| Expenses | ||||||
| Total incentive fees | 30,761 | - | 30,761 | |||
| Management fee | 38,787 | - | 38,787 | |||
| Interest and other financing expenses | 123,718 | - | 123,718 | |||
| All other expenses | (2,540) | - | (2,540) | |||
| Net expenses including income tax expense | 190,726 | - | 190,726 | |||
| Net investment income | 136,358 | - | 136,358 | |||
| Net realized and unrealized losses | (119,385) | (35,222) | (154,607) | |||
| Net increase (decrease) in net assets resulting from operations | 16,973 | (35,222) | (18,249) | |||
| Less: Net increase in net assets resulting from operations related to non-controlling interests in New Mountain Net Lease Corporation | (485) | - | (485) | |||
| Net increase (decrease) in net assets resulting from operations related to New Mountain Finance Corporation | $ 16,488 | $ (35,222) | $ (18,734) | |||
| (1) Pro forma adjustment represents the impact of the Asset Sale at 94% of December 31, 2025 fair value | ||||||