X0306 4 2022-05-27 1 0000007039 TRECORA RESOURCES TREC 0001804502 Ortelius Advisors, L.P. 450 PARK AVENUE, SUITE 2700 NEW YORK NY 10022 0 0 0 1 Former 10% owner 0001645708 Pangaea Ventures, L.P. 450 PARK AVENUE SUITE 2700 NEW YORK NY 10022 0 0 0 1 Former 10% owner 0001863646 Temnein Ventures III, L.P. 450 PARK AVENUE, SUITE 2700 NEW YORK NY 10022 0 0 0 1 Former 10% owner 0001804470 DeSorcy Peter 450 PARK AVENUE, SUITE 2700 NEW YORK NY 10022 0 0 0 1 Former 10% owner Common Stock 2022-05-27 4 S 0 2674483 9.72 D 200 I See footnotes These shares include 2,327,824 shares disposed of by Pangaea Ventures, L.P. ("Pangaea") and 346,659 shares disposed of by Temnein Ventures III, L.P. ("Temnein"). The remaining 200 shares are held by Pangaea. Ortelius Advisors, L.P. (the "Adviser") is the investment manager of Pangaea and Temnein. Peter DeSorcy is the sole member of the general partner of the Adviser, and Mr. DeSorcy has a controlling interest in the Adviser. The Adviser and Mr. DeSorcy disclaim beneficial ownership of any of the shares of common stock owned by Pangaea and Temnein, except to the extent of their pecuniary interest therein. ORTELIUS ADVISORS, L.P. By: Ortelius Management, LLC, its general partner By: /s/ Peter DeSorcy Name: Peter DeSorcy Title: Managing Member 2022-06-01 PANGAEA VENTURES, L.P. By: Ortelius Advisors GP I, LLC, its general partner By: /s/ Peter DeSorcy Name: Peter DeSorcy Title: Managing Member 2022-06-01 TEMNEIN VENTURES III, L.P. By: Temnein Advisors GP III, LLC, its general partner By: /s/ Peter DeSorcy Name: Peter DeSorcy Title: Managing Member 2022-06-01 /s/ Peter DeSorcy 2022-06-01