Denbury Announces Expiration of Hart-Scott-Rodino Act Waiting Period in Connection with Proposed Transaction

Denbury Inc. (NYSE: DEN) (“Denbury”) today announced the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), with respect to the previously-announced agreement for ExxonMobil to acquire all outstanding shares of Denbury at an exchange ratio of 0.84 shares of ExxonMobil for each Denbury share.

The expiration of the HSR Act waiting period occurred at 11:59 p.m. EDT on September 11, 2023, which was a condition to the closing of the pending transaction. Completion of the transaction is subject to the satisfaction of the remaining customary closing conditions, including approval by Denbury stockholders. The transaction is expected to close in the fourth quarter of 2023.

About Denbury

Denbury is an independent energy company with operations and assets focused on Carbon Capture, Utilization, and Storage (“CCUS”) and Enhanced Oil Recovery (“EOR”) in the Gulf Coast and Rocky Mountain regions. For over two decades, the Company has maintained a unique strategic focus on utilizing CO₂ in its EOR operations and since 2012 has also been active in CCUS through the injection of captured industrial-sourced CO₂. The Company currently injects over four million tons of captured industrial-sourced CO₂ annually, with an objective to fully offset its Scope 1, 2, and 3 CO₂ emissions by 2030, primarily through increasing the amount of captured industrial-sourced CO₂ used in its operations. For more information about Denbury, visit www.denbury.com.

Important Information about the Transaction and Where to Find It

In connection with the proposed transaction between Exxon Mobil Corporation (“ExxonMobil”) and Denbury Inc. (“Denbury”), ExxonMobil filed with the Securities and Exchange Commission (the “SEC”) a registration statement on Form S-4 (the “Registration Statement”) to register the shares of ExxonMobil’s common stock to be issued in connection with the proposed transaction. The Registration Statement includes a proxy statement of Denbury that also constitutes a prospectus of ExxonMobil. A definitive proxy statement/prospectus will be mailed to stockholders of Denbury. This communication is not a substitute for the registration statement, proxy statement or prospectus or any other document that ExxonMobil or Denbury (as applicable) may file with the SEC in connection with the proposed transaction. BEFORE MAKING ANY VOTING OR INVESTMENT DECISION, INVESTORS AND SECURITY HOLDERS OF EXXONMOBIL AND DENBURY ARE URGED TO READ THE REGISTRATION STATEMENT, THE PROXY STATEMENT/PROSPECTUS AND ANY OTHER RELEVANT DOCUMENTS THAT ARE FILED OR WILL BE FILED WITH THE SEC, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THESE DOCUMENTS, CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION AND RELATED MATTERS. Investors and security holders may obtain free copies of the registration statement and the proxy statement/prospectus (when they become available), as well as other filings containing important information about ExxonMobil or Denbury, without charge at the SEC’s Internet website (http://www.sec.gov). Copies of the documents filed with the SEC by ExxonMobil will be available free of charge on ExxonMobil’s internet website at www.exxonmobil.com under the tab “investors” and then under the tab “SEC Filings” or by contacting ExxonMobil’s Investor Relations Department at [e-mail]. Copies of the documents filed with the SEC by Denbury will be available free of charge on Denbury’s internet website at investors.denbury.com/investors/financial-information/sec-filings or by directing a request to Denbury, Inc., ATTN: Investor Relations, 5851 Legacy Circle, Suite 1200, Plano, TX 75024, Tel No. [phone], E-mail: [e-mail]. The information included on, or accessible through, ExxonMobil’s or Denbury’s website is not incorporated by reference into this communication.