X0306 4 2021-08-23 0 0001802457 Origin Materials, Inc. ORGN 0001200468 RICHARDSON KAREN A C/O ARTIUS ACQUISITION PARTNERS LLC 3 COLUMBUS CIRCLE, SUITE 2215 NEW YORK NY 10019 1 0 0 0 Common Stock 2021-08-23 4 P 0 20000 6.0643 A 20000 I See footnote The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.97 to $6.14, inclusive. The reporting person undertakes to provide to Origin Materials, Inc., any security holder of Origin Materials, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4. These purchases were made by the Karen A. Richardson Trust dated January 11, 2007, as amended and restated, of which Ms. Richardson is the trustee and beneficiary. /s/ Karen A Richardson 2021-08-23