X0306 4 2015-09-30 0 0001496099 New Mountain Finance Corp NMFC 0001018327 KLINSKY STEVEN B C/O NEW MOUNTAIN CAPITAL, L.L.C. 787 7TH AVENUE, 49TH FLOOR NEW YORK NY 10019 1 0 0 0 Common Stock 2015-09-29 4 P 0 299900 13.56 A 3362630.588 D Common Stock 2015-09-30 4 P 0 200100 13.7079 A 3562730.588 D Common Stock 126878 I See Note Common Stock 722494 I See Note The price reported is the average weighted price. The shares were purchased in multiple transactions. The reporting person undertakes to provide to the SEC, the issuer and any security holder, upon request, full information regarding the number of shares and the prices at which the shares were purchased. The Steven B. Klinsky Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. The Steven B. Klinsky Non-GST Exempt Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. /s/ Steven B. Klinsky 2015-09-30