X0407 4 2023-04-27 1 0001588972 Societal CDMO, Inc. SCTL 0001535264 AWM Investment Company, Inc. 527 MADISON AVENUE SUITE 2600 NEW YORK NY 10022 0 0 1 0 0 Common Stock 2023-04-27 4 S 0 370000 0.7001 D 8476052 I By Limited Partnerships This is a weighted average price. AWM Investment Company, Inc., a Delaware Corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (QP), Special Situations Cayman Fund, L.P. (Cay) and Special Situations Private Equity Fund, L.P. (PE). (PE together with QP and Cay the Funds). As the investment adviser to the Funds, AWM holds sole voting and investment power over 5,314,394 shares of Common Stock of the Issuer (the Shares) held by QP, 1,848,660 Shares held by Cay and 1,312,998 Shares held by PE. AWM Investment Company, Inc., a Delaware Corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (QP), Special Situations Cayman Fund, L.P. (Cay) and Special Situations Private Equity Fund, L.P. (PE). (PE together with QP and Cay the Funds). As the investment adviser to the Funds, AWM holds sole voting and investment power over 5,314,394 shares of Common Stock of the Issuer (the Shares) held by QP, 1,848,660 Shares held by Cay and 1,312,998 Shares held by PE. Adam Stettner 2023-04-27