Exhibit 99.1 News Release Williams (NYSE: WMB) One Williams Center Tulsa, OK 74172 800-Williams www.williams.com DATE: Monday, Aug. 4, 2025 media@williams.com (800) 945-8723 MEDIA CONTACT: INVESTOR CONTACTS: Danilo Juvane (918) 573-5075 Caroline Sardella (918) 230-9992 Williams Delivers Strong Second-Quarter 2025 Results and Raises Full-Year 2025 Guidance TULSA, Okla. – Williams (NYSE: WMB) today announced its unaudited financial results for the three and six months ended June 30, 2025. Consistently strong ...