October 2025 APCA MARKET PENETRATION RESEARCH www.ContinuumCapital.net Summary Conclusions (11 of 16) Market Size by Mileage Conclusions – The Biden administration has been very effective at curtailing activity in this market sector via a series of local and Federal agency actions. – Transmission activity and gas distribution activity, measured by mileage, is slightly trending down over the timeline presented, primarily due to political, regulatory, and environmental pressures. – Transmission, Hazardous Liquid, and Gathering activity are highly volatile as measured by mileage. • Transmission has an underlying base of activity that is much more stable due to short-haul segments and stations, the long-haul portion of the market is responsible for nearly all of the volatility. 22
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