X0306 4 2023-01-31 0 0001844971 Greenidge Generation Holdings Inc. GREE 0001882294 Atlas Capital Resources GP LLC 100 NORTHFIELD STREET GREENWICH CT 06830 1 0 1 0 0001882313 Atlas Capital GP LP 100 NORTHFIELD STREET GREENWICH CT 06830 1 0 1 0 0000905112 BURSKY ANDREW M 100 NORTHFIELD STREET GREENWICH CT 06830 1 0 1 0 0001394403 Fazio Timothy J 100 NORTHFIELD STREET GREENWICH CT 06830 1 0 1 0 Class A Common Stock, par value $0.0001 per share 2023-01-31 4 P 0 1190476 0.84 A 1190476 I See footnotes In connection with the Consent and Amendment No. 1 to the Promissory Note between Greenidge Generation Holdings Inc. (the "Issuer") and B. Riley Commercial Capital, LLC, GGH Bridge Investment LP ("GGH LP"), an affiliate of Atlas Holdings LLC, purchased 1,190,476 shares of Class A Common Stock through B. Riley acting as sales agent under the Issuer's ATM Agreement. Atlas Capital GP LP ("ACR GPLP") is the general partner of GGH LP. Atlas Capital Resources GP LLC ("ACR GP") is the general partner of ACR GPLP. ACR GP, ACR GPLP, and GGH LP are collectively referred to as the "Atlas Entities." Andrew M. Bursky and Timothy J. Fazio are each a managing partner of ACR GP and may be deemed to control the Atlas Entities. Each of Messrs. Bursky and Fazio and each of the Atlas Entities disclaims beneficial ownership interest of the Class A Common Stock except, in each case, to the extent he or it has any pecuniary interest therein. Atlas Capital Resources GP LLC, /s/ Timothy J. Fazio, Managing Partner 2023-02-02 Atlas Capital GP LLC, By: Atlas Capital Resources GP LLC, /s/ Timothy J. Fazio, Managing Partner 2023-02-02 Andrew M. Bursky, /s/ Andrew M. Bursky 2023-02-02 Timothy J. Fazio, /s/ Timothy J. Fazio 2023-02-02