X0206 3 2021-11-12 0 0001799191 Oncology Institute, Inc. TOI 0001718621 M33 Growth I L.P. 888 BOYLSTON STREET, SUITE 500 BOSTON MA 02199 0 0 1 0 0001894303 M33 Growth I GP LLC 888 BOYLSTON STREET, SUITE 500 BOSTON MA 02199 0 0 1 0 0001892968 TOI M, LLC 888 BOYLSTON STREET, SUITE 500 BOSTON MA 02199 0 0 1 0 Common Stock 13703803 D Common Stock 1552580 I See footnote Received on November 12, 2021 pursuant to the Agreement and Plan of Merger, dated as of June 28, 2021, by and among the Issuer, Orion Merger Sub I, Inc., a Delaware corporation, Orion Merger Sub II, LLC, a Delaware limited liability company and TOI Parent, Inc., a Delaware corporation (the "Business Combination"). The Reporting Persons may also receive, as additional merger consideration, 2,909,288 shares of the Issuer's common stock if the Issuer achieves a price per share of $12.50 during the two-year period following the Business Combination or a per share stock price of $15.00 during the three-year period following the Business Combination, in each case, as its last reported sales price per share for any 20 trading days within any 30 consecutive trading day period. M33 Growth I GP LLC ("M33 LLC") is the general partner of M33 Growth I LP ("M33 GP") and may be deemed to beneficially own the shares held by M33 LP but disclaims beneficial ownership of these shares except to the extent of its pecuniary interest therein. The Reporting Person may also receive, as additional merger consideration, 329,609 shares of the Issuer's common stock if the Issuer achieves a price per share of $12.50 during the two-year period following the Business Combination or a per share stock price of $15.00 during the three-year period following the Business Combination, in each case, as its last reported sales price per share for any 20 trading days within any 30 consecutive trading day period. These securities are held by TOI M, LLC. /s/ Gabriel Ling, Managing Member of M33 Growth I GP LLC, the general partner of M33 Growth I LP 2021-11-22 /s/ Gabriel Ling, Managing Member 2021-11-22 /s/ Gabriel Ling, Managing Member 2021-11-22