HOME ABOUT US OWNER RELATIONS CONTACT Corporate Governance COMPANY OFFICERS Ryan Midgett Chief Financial Officer BOARD OF MANAGERS Patrick J. Bartels Jr. Chairman Dean E. Swick Mike Wichterich COMMITTEE COMPOSITION INVESTOR RELATIONS NEWS RELEASES SEC FILINGS PRESENTATIONS CORPORATE GOVERNANCE EMAIL ALERTS PREDECESSOR COMPANY – VANGUARD FORM 8937 COMMITTEE CHARTERS GOVERNANCE DOCUMENTS Governance documents to be updated and disclosed in the near future. CONTACT THE COMPLIANCE OFFICER whistleblower@grizzlyenergyllc.com 832-377-2277 P.O. Box 550689 | Houston, TX 77255 © 2019 - Grizzly Energy, LLC, All Rights Reserved

HOME ABOUT US OWNER RELATIONS CONTACT INDEPENDENT EXPLORATION & PRODUCTION COMPANY. CONTACT INFO ACCOUNTS PAYABLE accountspayable@grizzlyenergyllc.com REVENUE OWNER RELATIONS ownerrelations@grizzlyenergyllc.com EMPLOYMENT VERIFICATION ecowling@grizzlyenergyllc.com SUBSCRIBE TO EMAIL ALERTS P.O. Box 550689 | Houston, TX 77255 © 2019 - Grizzly Energy, LLC, All Rights Reserved

HOME ABOUT US OWNER RELATIONS CONTACT Predecessor Company – Vanguard RESTRUCTURING SEC FILINGS K-1 TAX AND OTHER INFO PRESS RELEASE CASE INFORMATION Court filings and other information related to the court-supervised proceedings are available on a separate website administered by Grizzly Energy's claims agent, Prime Clerk: https://cases.primeclerk.com/vnr RESTRUCTURING HOTLINE Grizzly Energy has established a toll-free hotline in the U.S. at (844) 216-9850 and (347) 859-8076 internationally to address specific questions and concerns. FAQ Investor FAQ Royalty Owner FAQ Vendor FAQ Working Interest Partner FAQ INVESTOR RELATIONS NEWS RELEASES SEC FILINGS PRESENTATIONS CORPORATE GOVERNANCE EMAIL ALERTS PREDECESSOR COMPANY – VANGUARD FORM 8937 P.O. Box 550689 | Houston, TX 77255 © 2019 - Grizzly Energy, LLC, All Rights Reserved

HOME ABOUT US OWNER RELATIONS CONTACT Grizzly Energy, LLC has completed the divestment of all of its assets. Below is a list of major counties and states sold in 2020-2021 with the corresponding buyer's Owner Relations contact information. Loading... For your convenience, the links below provide access to documentation for the following: Address Change Request Form Form W-9 CONTACT US DIRECTLY To better assist you and answer your inquiry in a timely and efficient manner, you may also contact us directly at the following: Grizzly Energy, LLC Attn: Land Administration Department P.O. Box 550689 | Houston, TX 77255 ownerrelations@grizzlyenergyllc.com P.O. Box 550689, Houston, Texas 77255 © 2019 - Grizzly Energy, LLC, All Rights Reserved