PINNACLE WEST CAPITAL CORPORATION

ENG · Energy/Nuclear

H.R. 2444 - To establish the Supply Chain Resiliency and Crisis Response Office in the Department of Commerce, and for other purposes. H.R. 2545 - To amend the Internal Revenue Code of 1986 to extend the publicly traded partnership ownership structure to energy power generation projects and transportation fuels, and for other purposes. H.R. 3062 - Promoting Cross-Border Energy Infrastructure Act H.R. 5600 - SPEED and Reliability Act H.R. 1355 - Weatherization Enhancement and Readiness Act H.R. 4503 - ePermit Act H.R. 3843 - Baseload Reliability Protection Act H.R. 3616 - Reliable Power Act H.R. 1047 - Grid Power Act H.R. 3632 - Power Plant Reliability Act H.R. 3638 - Electric Supply Chain Act H.R. 3157 - State Energy Accountability Act H.R. 3617 - Securing Americas Critical Minerals Supply Act H.R.5299 - USDFC Modernization Act of 2025 H.R. 3628 - State Planning for Reliability and Affordability Act S.1757 - To amend the Atomic Energy Act of 1954 to provide for more efficient hearings on nuclear facility construction applications, and for other purposes S.2082 - To amend the Atomic Energy Act of 1954 to modify the definition of production facility to exclude an equipment or device capable of reprocessing spent nuclear fuel in a manner that does not separate plutonium from other transuranic elements S.A.3826 - USDFC Modernization and Reauthorization Act of 2025 Data center issues generally Electricity transmission and distribution infrastructure generally Issues related to electric transmission policy Issues related to reliability and resource adequacy generally Clean energy issues generally Issues related to distribution transformers Draft legislation on transmission Artificial intelligence issues generally Load growth, reliability, and resource adequacy generally Energy security issues generally Energy efficiency issues generally Issues related to energy grid supply chain Issues related to energy sector impacts from tariff policies Draft legislation related to cybersecurity Draft legislation related to electric grid/energy infrastructure cybersecurity Draft legislation related to security and data

Literal federal measure citations: H.R. 2444, H.R. 2545, H.R. 3062, H.R. 5600, H.R. 1355, H.R. 4503, H.R. 3843, H.R. 3616, H.R. 1047, H.R. 3632, H.R. 3638, H.R. 3157, H.R. 3617, H.R.5299, H.R. 3628, S.1757, S.2082

BUD · Budget/Appropriations

H.R.5371 - Making continuing appropriations and extensions for fiscal year 2026, and for other purposes. H.R.6938 - Provides FY2026 appropriations to several federal departments and agencies for activities and programs related to commerce, law enforcement, science, energy and water development, public lands, and the environment. S.1700 - LIHEAP Parity Act of 2025 H.R.2486 - Heating and Cooling Relief Act H.R. 4552/S. 2465, Transportation, Housing and Urban Development, and Related Agencies Act, 2026 H.R. 4553, Energy and Water Development and Related Agencies Act, 2026 H.R. 4754/S. 2431, Department of Interior, Environment, and Related Agencies Act, 2026 H.R. 5304/S. 2587, Departments of Labor, Health and Human Services, and Education, and Related Agencies Act, 2026 H.R. 4213, Department of Homeland Security Act, 2026 H.R. 4016/S. 2572, Department of Defense Act, 2026 Energy R&D funding LIHEAP issues generally U.S. House Energy and Water FY2025 U.S. Senate Energy and Water FY 2025 Infrastructure Investment and Jobs Act

Literal federal measure citations: H.R.5371, H.R.6938, S.1700, H.R.2486, H.R. 4552, S. 2465, H.R. 4553, H.R. 4754, S. 2431, H.R. 5304, S. 2587, H.R. 4213, H.R. 4016, S. 2572

ENV · Environment/Superfund

H.R. 471/S.1462 - The Fix Our Forest Act; H.R. 4776 - SPEED Act H.R. 161 - New Source Review Permitting Improvement Act H.R. 753 - Fire Improvement and Reforming Exceptional Events Act (FIRE) Act H.R. 573 - Studying NEPAs Impact on Projects Act H.R. 161 - New Source Review Permitting Act Legislation related to wildfires and other natural disasters Draft legislation related to the Federal Permitting Improvement Steering Council Siting and permitting generally National Environmental Policy Act Endangered Species Act generally Power demand generally Clean Air Act generally Wildfires and other natural disasters Water Resources Development Act generally Issues related to EPA regulations on Clean Air Act (Section 111 d and b) Issues related to EPA regulations generally Issues related to the Good Neighbor Rule

Literal federal measure citations: H.R. 471, S.1462, H.R. 4776, H.R. 161, H.R. 753, H.R. 573, H.R. 161

TAX · Taxation/Internal Revenue Code

H.R.1, The One Big Beautiful Bill Act H.R. 2872, the RESILIENCE Act of 2025 S. 448, the CIRCUIT Act Distribution transformer issues generally Transmission and distribution issues generally Resiliency issues generally

Literal federal measure citations: H.R.1, H.R. 2872, S. 448

TRA · Transportation

Issues related to drone supply chain Supply chain issues generally H.R.4669 - Fixing Emergency Management for Americans Act (FEMA) Act of 2025 Issues Related to Beyond Visual Line of Sight rulemaking

Literal federal measure citations: H.R.4669

HOM · Homeland Security

S. 1337- Cybersecurity Information Sharing Extension Act Counter-UAS legislation S. 1875 - Streamlining Federal Cybersecurity Regulations Act of 2025 H.R. 5079 - Widespread Information Management for the Welfare of Infrastructure and Government Act Cyber incident reporting generally Cyber regulatory harmonization generally Cybersecurity Information Sharing Act of 2015 reauthorization Issues Related to Critical Infrastructure Partnership Advisory Council. Energy Threat Analysis Center Act of 2026 H.R.9083 (118th Congress) - SECURE Grid Act Pipeline Cybersecurity Preparedness Act

Literal federal measure citations: S. 1337, S. 1875, H.R. 5079, H.R.9083

WAS · Waste (hazardous/solid/interstate/nuclear)

H.R.466 - To require the Secretary of Energy to obtain the consent of affected State and local governments before making an expenditure from the Nuclear Waste Fund for a nuclear waste repository, and for other purposes. H.R.3978 - Nuclear REFUEL (Recycling Efficient Fuels Utilizing Expedited Licensing) Act S.01 - A bill to require the Secretary of Energy to obtain the consent of affected State and local governments before making and expenditure from the Nuclear Waste Fund for a nuclear waste repository, and for other purposes. S.2082 - Nuclear REFUEL (Recycling Efficient Fuels Utilizing Expedited Licensing) Act S.3016 - To require the Secretary of Energy to study new technologies and opportunities for recycling spent nuclear fuel.

Literal federal measure citations: H.R.466, H.R.3978, S.2082, S.3016

DEF · Defense

FY26 National Defense Authorization Act S.A.3748 - National Defense Authorization Act for Fiscal Year 2026

TEC · Telecommunications

Spectrum Issues generally 811 locate services issues generally