NYSE: ESTE $10.58 ABOUT OPERATIONS INVESTORS SUSTAINABILITY OWNERS NEWS CONTACT Sustainability SUSTAINABILITY POSITION STATEMENT Earthstone believes that it is our responsibility to conduct business in line with our core values of operating with high ethics, integrity and respect for our employees and contractors, the environment we all share, and the communities in which we live and work. As part of our “do the right thing” approach, our goal is to manage our business in a way that minimizes risk and protects people, land, air and water, while providing economic benefits to landowners, lessors, communities and our stakeholders. We recognize that operating in this industry is a privilege, and for decades, we have set high operating standards and have worked hard to earn our reputation for excellence among members of the oil and gas industry and communities in which we operate. Environmental & Safety Metrics Earthstone is an Environmental Partnership Program Participant. As part of our “do the right thing” approach, our goal is to manage our business in a way that minimizes risk and protects people, land, air and water, while providing economic benefits to landowners, lessors, communities and our stakeholders. Search Sustainability Environment Health and Safety Social and Community Our People Governance Metrics Toggle the Widgetbar Copyright © 2021 Earthstone Energy, Inc.

NYSE: ESTE$ 10.5820 minutes minimum delay | November 24, 2021 | 4:00 PM Events & Presentations Recent Events 3Q 2021 Earnings Conference Call 11/04/2021 12:00 PM ET Webcast (opens in new window) 2Q 2021 Earnings Conference Call 08/05/2021 12:00 PM ET Webcast (opens in new window) 1Q 2021 Earnings Conference Call 05/06/2021 12:00 PM ET Webcast (opens in new window) Featured Presentations Earthstone Investor Presentation 11/03/2021 Download PDF (opens in new window) IR Contact Corporate Information Earthstone Energy, Inc. 1400 Woodloch Forest Drive, Suite 300 The Woodlands, TX 77380 Phone: (281) 298-4246 Stock Transfer Agent Direct Transfer Corporation 500 Perimeter Park Drive, Suite D Morrisville, North Carolina 27560 Phone: (919) 744-2722 Email Alerts News Events & Presentations SEC Filings End of Day Stock Quote Submit UNSUBSCRIBE © 2021 Earthstone Energy, Inc - All rights reserved Powered By Q4 Inc. 5.56.0.1 (opens in new window)