X0306 5 2017-12-31 0 0 0 0001420800 Colfax CORP CFX 0001015014 RALES MITCHELL P 11790 GLEN ROAD POTOMAC MD 20854 1 0 0 0 Common Stock, par value $.001 2017-05-06 5 G 0 750000 0.00 D 0 I By Colfax Capital Corporation Common Stock, par value $.001 10321361 D Common Stock, par value $.001 854750 I Through the Mitchell P. Rales Family Trust Common Stock, par value $.001 19388 I By Capital Yield Corporation Common Stock, par value $.001 11500 I By trust for daughter Common Stock, par value $.001 4200 I By MPR, as custodian for daughters Common Stock, par value $.001 28000 I By spouse These shares were held by an entity of which Mitchell P. Rales and Steven M. Rales were the sole stockholders. The reporting person disclaimed beneficial ownership of these securities to the extent that they were beneficially owned by Steven M. Rales. The reporting person is a trustee of the Mitchell P. Rales Family Trust. These shares are held by an entity of which Mitchell P. Rales and Steven M. Rales are the sole stockholders. The reporting person disclaims beneficial ownership of these securities to the extent that they are beneficially owned by Steven M. Rales. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein. Neither this filing nor anything contained herein shall be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 13 of the Securities Exchange Act of 1934 or otherwise. /s/ A. Lynne Puckett, Attorney-in-Fact 2018-02-14