RESPONSIBILITY Learn More Latest News November 4, 2021Southwestern Energy Announces Agreement to Acquire GEP Haynesville SPRING, Texas--(BUSINESS WIRE)-- Southwestern Energy Company (NYSE: SWN) (the “Company” or “Southwestern”) today announced that it has entered into a definitive agreement with the third largest private Haynesville producer – GEP Haynesville, LLC (“GEP”) under which it will acquire GEP for approximately $1.85 billion. The transaction is expected to close by year-end 2021, subject to customary closing conditions. October 10, 2021The Environmental Partnership Releases Annual Report Southwestern Energy has a longstanding commitment to be being a good steward of the environment and doing the right things in all facets of our operations. June 2, 2021Southwestern Energy Announces Agreement to Acquire Indigo Natural Resources Two premier US natural gas basins, one leading natural gas company SPRING, Texas–(BUSINESS WIRE) – Southwestern Energy Company (NYSE: SWN) (the “Company” or “Southwestern”) today announced that it has entered into a definitive merger agreement with Haynesville producer Indigo Natural Resources, LLC (“Indigo”) under which it will acquire Indigo for approximately $2.7 billion. The transaction […] Investor Snapshot OUR FORMULA Nearly every day, people ask what our company’s Formula means. Simply put, it’s the way we go about our business. Ask any employee and they will tell you the Formula is an important part of the company’s identity and positively influences our actions on a daily basis. It’s an ever-present reminder to create exceptional value, the key to the company’s success, a guide for decision-making, a reinforcement to do the Right Things, and an appreciation for being the Right People. LEARN MORE About Operations Investors Corporate Responsibility News Careers Vendors Royalty Owners Contact Us Privacy & Legal Forward Looking Statement Site Map Social Media Policy Sign Up for Email Alerts © 2021 Southwestern Energy Company. All Rights Reserved

> About > Southwestern Energy Leadership Board of Directors About Operations Investors Corporate Responsibility News Careers Vendors Royalty Owners Contact Us Privacy & Legal Forward Looking Statement Site Map Social Media Policy Sign Up for Email Alerts © 2021 Southwestern Energy Company. All Rights Reserved

> About > The Formula Our company’s formula embodies our corporate philosophy and guides how we operate our business: About Operations Investors Corporate Responsibility News Careers Vendors Royalty Owners Contact Us Privacy & Legal Forward Looking Statement Site Map Social Media Policy Sign Up for Email Alerts © 2021 Southwestern Energy Company. All Rights Reserved

> Investors > Shareholder Information Stock Exchange Listing About Operations Investors Corporate Responsibility News Careers Vendors Royalty Owners Contact Us Privacy & Legal Forward Looking Statement Site Map Social Media Policy Sign Up for Email Alerts © 2021 Southwestern Energy Company. All Rights Reserved