APA Corp has filed a Registration Statement on Form S-4 with the SEC for the proposed merger with Callon Petroleum Company, including a preliminary joint proxy statement/prospectus for the solicitation of proxies in connection with the special meetings of APA's and Callon's stockholders. The Registration Statement was declared effective on February 15, 2024, and APA filed a definitive joint proxy statement/prospectus on February 16, 2024. APA believes that the allegations in the demand letters and stockholder actions related to the merger are without merit.