X0206 3 2023-09-05 0 0001836176 Fathom Digital Manufacturing Corp FATH 0001992936 Beaton Doug C/O FATHOM DIGITAL MANUFACTURING CORP. 1050 WALNUT RIDGE DRIVE HARTLAND WI 53029 0 1 0 0 Chief Operating Officer Restricted Stock Units 0.00 Class A Common Stock 287755 D Stock Options 0.49 Class A Common Stock 287755 D Represents shares of Class A Common Stock underlying Restricted Stock Units ("RSUs") issued on September 11, 2023 under the Fathom Digital Manufacturing Corporation 2021 Omnibus Incentive Plan, as amended and/or restated from time to time. Each RSU represents the contingent right to receive one share of the Issuer's Class A Common Stock. These RSUs vest ratably over three years. Represents stock options issued on under the Fathom Digital Manufacturing Corporation 2021 Omnibus Incentive Plan, as amended and/or restated from time to time. Each stock option represents the right to purchase one share of the Issuer's Class A Common Stock. The stock options vest ratably over three years and become exercisable as to 100% of the shares of Class A Common Stock on the third anniversary of the grant date, September 11, 2026. The options expire on September 11, 2030. /s/ Doug Beaton, by James R. Brown as Attorney-in-Fact 2023-09-15