PINNACLE WEST CAPITAL CORPORATION

TAX · Taxation/Internal Revenue Code

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

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

TRA · Transportation

Issues related to drone supply chain Supply chain issues generally

ENG · Energy/Nuclear

H.R. 5600 - SPEED and Reliability Act H.R.4136 - NRC Office of Public Engagement and Participation Act: To establish an Office of Public Engagement and Participation within the Nuclear Regulatory Commission, and for other purposes. S.3814 - Accelerating Reliable Capacity (ARC) Act: To provide enhanced provisions for advanced nuclear energy projects receiving loan guarantees through the Department of Energy, and for other purposes. S.4267 - Strengthening American Nuclear Energy Act: To codify certain Executive orders relating to nuclear energy. S.4284 - Nuclear Energy Innovation and Deployment Act: To encourage the development and deployment of nuclear energy, and for other purposes. S. (Discussion Draft) - Enrichment Licensing Modernization Act: To amend the Atomic Energy Act of 1954 to align the licensing of uranium enrichment facilities with other fuel cycle facilities under that Act, and for other purposes. H.R.9612 - American Enrichment Deployment Act: To amend the Atomic Energy Act of 1954 to update the licensing procedures for uranium enrichment facilities to enable the timely, safe deployment of such facilities, and for other purposes. S. 3852 GRID Act; Draft legislation on transmission Load growth, reliability, and resource adequacy generally Energy security 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. 5600, H.R.4136, S.3814, S.4267, S.4284, H.R.9612, S. 3852

BUD · Budget/Appropriations

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 H.R.9022 - House Energy and Water FY 2027: Making appropriations for energy and water development and related agencies for the fiscal year ending September 30, 2027, and for other purposes. H.R. 9171, Department of the Interior, Environment, and Related Agencies Appropriations Act, 2027 H.R. 9260, Departments of Labor, Health and Human Services, and Education, and Related Agencies Appropriations Act, 2027; LIHEAP issues generally Infrastructure Investment and Jobs Act

Literal federal measure citations: H.R.6938, H.R.9022, H.R. 9171, H.R. 9260

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 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 Coal combustion residuals;

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

HOM · Homeland Security

Cybersecurity Information Sharing Act of 2015 reauthorization Issues Related to Critical Infrastructure Partnership Advisory Council. H.R.7305 - Energy Threat Analysis Center Act of 2026 H.R.7257 - SECURE Grid Act H.R.7272- Pipeline Cybersecurity Preparedness Act

Literal federal measure citations: H.R.7305, H.R.7257, H.R.7272

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. S.101 - Nuclear Waste Informed Consent Act: 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.

Literal federal measure citations: H.R.466, S.101

DEF · Defense

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