Prnewswireยท2025-08-25 11:00Group 1: Eiger Express Pipeline Overview - The Eiger Express Pipeline is designed to transport up to 2.5 billion cubic feet per day (Bcf/d) of natural gas through approximately 450 miles of 42-inch pipeline from the Permian Basin in West Texas to the Katy area [2] - The pipeline will source supply from multiple connections in the Permian Basin, including gas processing facilities in the Midland Basin and from the Delaware Basin via the Agua Blanca Pipeline [2] - The Eiger Express Pipeline is a joint venture owned 70% by the Matterhorn JV, with ONEOK and MPLX each holding a 15% stake, resulting in 25.5% and 22% ownership in the pipeline for ONEOK and MPLX respectively [3] Group 2: Matterhorn Joint Venture - The Matterhorn JV is owned by WhiteWater (65%), ONEOK (15%), MPLX (10%), and Enbridge (10%), and it owns long-haul natural gas pipelines that transport gas from the Permian Basin to the Gulf Coast [4] - The Matterhorn JV also owns the Matterhorn Express Pipeline and 70% of the Eiger Express Pipeline [4] Group 3: Company Profiles - WhiteWater is an Austin, Texas-based infrastructure company that operates multiple gas transmission assets, including the Matterhorn Express Pipeline and the Eiger Express Pipeline [5] - ONEOK is a leading midstream operator with a pipeline network of approximately 60,000 miles, providing essential energy products and services [8][9] - MPLX is a diversified master limited partnership that owns and operates midstream energy infrastructure and logistics assets [10] - Enbridge connects millions to energy through its North American natural gas, oil, and renewable power networks, and is investing in modern energy delivery infrastructure [11]