UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 for the fiscal year ended December 31, 2023 Commission File Number 001-15106 Petróleo Brasileiro S.A. — Petrobras (Exact name of registrant as specified in its charter) Brazilian Petroleum Corporation — Petrobras (Translation of registrant’s name into English) The Federative Republic of Brazil D5 (Jurisdiction of incorporation or organization) ...