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Prior to rejoining the firm in 2021, Mr. Penders served as a policy advisor with Preti Strategies, providing business, political and strategic advice to clients on public policy and energy law issues, and of counsel in the Energy Practice Group of its affiliated law firm, Preti, Flaherty, Beliveau & Pachios. Administrative, Energy & Regulatory Law; Public Utilities; Government Relations & Lobbying Kevin Penders serves as a Partner and the Practice Manager for Keegan Werlin’s Energy & Regulatory Practice. Mr. Penders focuses on energy, regulatory, public utility law and governmental relations for utility clients, and represents electric and gas utilities before public utility commissions on issues associated with rates, forecast and supply planning, corporate financing, energy procurement and contracting, pipeline safety, and energy efficiency. Kevin F. Penders Phone: 617-951-1400 Email: kpenders@keeganwerlin.com ● Administrative Law ● Energy & Regulatory Law ● Public Utilities ● Government Relations & Lobbying Bar Admissions Massachusetts U.S. Supreme Court As the former General Counsel to the Massachusetts Department of Public Utilities (DPU), Mr. Penders served as the chief legal and policy advisor for regulating the Commonwealth’s investor-owned electric distribution, natural gas and water companies, handled complex rate design and base rate cases, and helped to write the playbook for future regional energy solutions. Under his management, the DPU’s legal division issued over 2,000 orders on a wide range of energy issues, including traditional rate recovery obligations, initiatives to encourage grid modernization for the electric industry, including solar, battery storage and electric vehicle deployment, initiatives to quantify and reduce gas leaks in the Commonwealth, and initiatives to ensure energy efficient and renewable energy deployment to meet the Commonwealth’s clean energy and climate goals. He provides clients an in-depth knowledge regarding the regulation of electric power, natural gas and water companies, and was part of the team that created the regulatory oversight of the Transportation Network Company industry. Prior to rejoining the firm in 2021, Mr. Penders served as a policy advisor with Preti Strategies, providing business, political and strategic advice to clients on public policy and energy law issues, and of counsel in the Energy Practice Group of its affiliated law firm, Preti, Flaherty, Beliveau & Pachios. Mr. Penders was an attorney with Keegan Werlin from 2006 through 2015, and has previously held positions within the energy industry and in government, at National Grid, the former New England Gas Company, the DPU, the House Committee on Taxation, and the Senate Committee on Post-Audit and Oversight. Kevin lives in Foxborough, MA with his wife, three kids, two rescue dogs and a domesticated corn snake. Memberships & Associations Member of the Guild of Gas Managers, 2024 to present Foxborough Cable Access Television, Board of Directors, 2024 to present Boyden Library Board of Trustees, Foxborough, MA, 2011 to present Zoning Board of Appeals, Town of Foxborough, MA, 2010 to 2015 New England School of Law, J.D., 1996 College of the Holy Cross, B.A., Political Science, 1993 St. John’s Preparatory High School, 1989 Lucius Beebe Library Board of Trustees, Wakefield, MA, 1994 to 2001 Adjunct Professor teaching courses on legislation, state and local government, and business law and ethics of New England Law Boston, Boston University School of Management, and Tufts University Experimental College, 2000 to 2013 Recognitions Massachusetts’ Super Lawyers, 2013, 2014 Education

Mr. Hershberg received his Juris Doctor from Vermont Law School, where he served on the Student Bar Association as a Senator focusing his efforts to bridge the gap between the Vermont Law School student body and the Town of South Royalton. Energy Law & Public Utilities Michael B. Hershberg is an associate at Keegan Werlin LLP, where he specializes in energy, regulatory, and public utility law. He represents the firm’s utility clients before the Department of Public Utilities. Michael B. Hershberg Phone: 617-951-1400 Email: mhershberg@keeganwerlin.com ● Energy Law ● Public Utilities Bar Admissions Massachusetts Connecticut New Hampshire Mr. Hershberg received his Juris Doctor from Vermont Law School, where he served on the Student Bar Association as a Senator focusing his efforts to bridge the gap between the Vermont Law School student body and the Town of South Royalton. During his time in law school, he also worked as a Student Clinician at the South Royalton Legal Clinic supporting lower income communities in civil disputes and Asylees in Immigration matters, interned for the Irish International Immigrant Center in Boston, and worked for the Suffolk County District Attorney’s Office in Chelsea. Mr. Hershberg received his Bachelor of Arts in political science from Stonehill College in Easton. At Stonehill, he was a member of the Pi Sigma Alpha National Political Science Honor Society. He brings a wide berth of experience to the firm; Mr. Hershberg previously worked on Transmission Right of Way matters at Georgia Power Company and most recently as a project manager for Volta Charging, an Electric Vehicle charging infrastructure start-up where he worked closely with municipalities and appeared before municipal boards to expand access to public charging. In addition to his work at the firm, he serves on both the Zoning Board of Appeals and the Earth Removal Board in the Town of Sudbury. Education Stonehill College, Easton, Massachusetts B.A., 2013 Vermont Law School, South Royalton, Vermont, J.D., 2016

Keegan Werlin LLP provides expert legal counsel for energy facility development, regulation, and compliance. Based in Lexington, MA, we serve clients across New England in navigating permitting, land use, and environmental compliance for energy infrastructure projects. Our team offers strategic, results-driven solutions for the energy industry. Energy Facilities Siting & Permitting Overview Siting and licensing critical energy infrastructure in New England has become increasingly complex in recent years. Groundbreaking changes in the permitting landscape, such as the Massachusetts Green Communities Act (2008), Global Warming Solutions Act (2008), Climate Change Act and Roadmap Law (2021), and the most recent Clean Energy Act (2022), have instituted complex requirements and new opportunities for critical energy infrastructure facilities, including, but not limited to electric transmission networks, wind power, solar resources, large-scale battery storage systems, and next-generation electric transmission equipment. KW’s team has been at the forefront of successfully implementing and ensuring compliance with these crucial energy and environmental objectives on behalf of clients throughout the region. The interrelated array of federal, state and local siting and permitting standards requires extensive knowledge of the applicable statutory enactments and regulatory requirements to represent investor-owned utilities and private developers in New England effectively. KW has an unmatched team of legal professionals with over 30 years of experience permitting the most complex array of projects, such as innovative new substation facilities to address sea-level rise, energy storage systems to ensure reliability of electricity, renewable energy facilities such as solar and wind generation, and needed transmission infrastructure to power the New England economy, including the electrification necessary to support the region’s climate change and carbon reduction goals. KW attorneys also have extensive experience defending client interests in state and federal courts when challenged by project opponents. KW’s team-based approach with a demonstrated track record in the areas of environmental science, economics, and state and local land-use requirements ensures that necessary energy infrastructure is permitted and developed in an efficient and successful manner to meet the overarching business objectives of our clients.

Molly Karg Agostinelli is an associate attorney at Keegan Werlin LLP, specializing in energy, regulatory, and public utility law. Ms. Agostinelli’s experience at the firm focuses on ratemaking and storm recovery work in Massachusetts. While attending law school, Ms. Agostinelli interned with the MA Department of Public Utilities. Prior to joining the firm in May 2023, Ms. Agostinelli worked as senior associate with the Mergers & Acquisitions department at KPMG LLP in Boston. Public Utilities, Energy Law; Regulatory & Administrative Molly Karg Agostinelli is an associate attorney at Keegan Werlin LLP, specializing in energy, regulatory, and public utility law. Molly K. Agostinelli Phone: 617-951-1400 Email: magostinelli@keeganwerlin.com ● Regulatory & Administrative Law ● Energy Law ● Public Utilities Bar Admissions Massachusetts Ms. Agostinelli’s experience at the firm focuses on ratemaking and storm recovery work in Massachusetts. While attending law school, Ms. Agostinelli interned with the MA Department of Public Utilities. Prior to joining the firm in May 2023, Ms. Agostinelli worked as senior associate with the Mergers & Acquisitions department at KPMG LLP in Boston. Prior to Law school, Ms. Agostinelli served as regulatory coordinator at a financial consulting firm serving regulated natural gas, electric, and water utilities in performing return on equity testimony for ratemaking purposes and energy market assessment before the MA DPU, FERC, and other US/Canadian utility regulatory agencies. Education B.A. 2014, Boston University J.D. 2020, Boston College Law School

Mr. Humm advises energy and public utility companies on legal, regulatory, commercial, and legislative matters to support their objectives and ensure compliance. His representation includes advocacy and strategic guidance on issues related to distribution rates, planning and system reliability, infrastructure replacement, capital and operational expenses, energy supply, service quality, safety, compliance, mergers and acquisitions, and state investigations. Energy and Regulatory Law, Litigation, Administrative & Public Utilities Robert J. Humm is a partner at Keegan Werlin LLP, focusing on energy, regulatory, and public utility law. He represents a number of gas and electric utilities in state regulatory and administrative proceedings in Rhode Island, Massachusetts, and Connecticut. Robert J. Humm Phone: 617-951-1400 Email: rhumm@keeganwerlin.com ● Energy & Regulatory Law ● Public Utilities ● Administrative Law ● Litigation Bar Admissions Rhode Island Massachusetts Connecticut U.S. First Circuit of Appeals U.S. District Court, District of Rhode Island U.S. District Court, District of Massachusetts U.S. District Court, District of Connecticut Mr. Humm advises energy and public utility companies on legal, regulatory, commercial, and legislative matters to support their objectives and ensure compliance. His representation includes advocacy and strategic guidance on issues related to distribution rates, planning and system reliability, infrastructure replacement, capital and operational expenses, energy supply, service quality, safety, compliance, mergers and acquisitions, and state investigations. In addition, his background as a litigation attorney allows him to assist clients with court appeals from administrative agency decisions. Before joining Keegan Werlin, Mr. Humm served as Senior Counsel at National Grid in its New England Legal Regulatory Group, and as the Assistant General Counsel – Litigation at Blue Cross & Blue Shield of Rhode Island, where he represented the company in federal and state administrative proceedings, among other responsibilities. Mr. Humm began his career as a litigation attorney at Adler Pollock & Sheehan P.C. Roger Williams University School of Law, J.D., 2008 Brown University, B.A., Modern American History, 2004 Memberships & Associations Town Council, Town of Barrington, Rhode Island – Vice President Leadership Rhode Island – Member. Friends of Brown Basketball – Executive Board Member. Education Recognitions Rhode Island Super Lawyers, “Rising Star,” 2014, 2015, 2016 Roger Williams University School of Law Alumni Association - President (2012-14). Roger Williams University School of Law Alumni Board of Directors - Board Member (2009-16). Roger Williams University School of Law Board of Directors - Ex Officio Member (2012-14).

Representative matters have involved rate issues, long-term power purchase agreements for renewable energy, net metering and the siting and permitting of an array of different energy infrastructure facilities, including natural gas generating facilities, renewable energy projects, natural gas pipelines, electric transmission lines, substations and ancillary equipment. Energy, Environmental, & Administrative Law Michael J. Koehler is a Partner at Keegan Werlin LLP specializing in energy & regulatory, public utility and environmental, municipal and land use law. He represents energy and utility clients before administrative agencies such as the Department of Public Utilities, the Energy Facilities Siting Board and the Cape Cod Commission, as well as various local authorities. Michael J. Koehler Phone: 617-951-1400 Email: mkoehler@keeganwerlin.com ● Administrative Law ● Energy Law ● Environmental Law Bar Admissions U.S. Court of Appeals D.C. Circuit U.S. District Court District of MA U.S. Court of Appeals First Circuit U.S. Supreme Court Massachusetts New Hampshire Mr. Koehler's representative matters have involved rate issues, long-term power purchase agreements for renewable energy, net metering and the siting and permitting of an array of different energy infrastructure facilities, including natural gas generating facilities, renewable energy projects, natural gas pipelines, electric transmission lines, substations and ancillary equipment. Mr. Koehler has also represented project developers in judicial proceedings in state and federal courts regarding challenges to permits and approvals initiated by project opponents. Before joining the firm in 2008, Mr. Koehler served as a law clerk for the Justices of the Superior Court of Massachusetts. Mr. Koehler is admitted to practice in Massachusetts and is an active member of the Boston Bar Association, where he has served as co-chair of the Energy and Telecommunications committee; a member of the BBA’s Environmental Sustainability Task Force; a member of the Education Committee; and a fellow of the BBA’s Public Interest Leadership Program. Mr. Koehler received his Juris Doctor from Suffolk University Law School, cum laude, and his Masters in Public Administration from the Sawyer School of Management. At Suffolk, Mr. Koehler served as the Managing Editor of the Suffolk Journal of Trial and Appellate Advocacy. He also received a Rappaport Fellowship in Law and Public Policy that enabled him to work for the City of Boston’s Environmental and Energy Services Cabinet. Prior to law school, Mr. Koehler received his Bachelor of Arts degree in Geography and Environmental Studies from Middlebury College. In addition to his professional pursuits, Mr. Koehler serves in various capacities as an alumni volunteer for Phillips Academy (Andover). He also serves on the Board of Directors for the Reading United Soccer Club and the Reading Open Land Trust. Education Suffolk University Law School, Boston, Massachusetts, J.D./MPA, cum laude, 2007 Middlebury College, B.A. Geography and Environmental Studies, 1999 Awards: Dean's List; Public Service/Leadership Award 2022 Massachusetts Super Lawyers Massachusetts Super Lawyers: Rising Star, 2015 Memberships & Associations Boston Bar Association Northeast Energy and Commerce Association Environmental Business Council – New England Recognitions

Before founding the firm in 1988, Mr. Keegan was appointed by the Governor for two terms as a Commissioner at the Massachusetts Department of Public Utilities from 1983 to 1988. Prior to his appointment as Commissioner, Mr. Keegan was Deputy Regional Counsel at the United States Department of Energy, 1979 to 1982. Energy, Public Utilities, & Administrative Law; Telecommunications Robert J. Keegan is a founding partner of Keegan Werlin LLP. He is an industry leader in representing electric generators, developers of energy storage and delivery infrastructure, regulated and competitive retail energy providers and large energy users interested in exploring creative procurement strategies. Robert J. Keegan Phone: 617-951-1400 Email: rkeegan@keeganwerlin.com ● Administrative Law ● Energy Law ● Public Utilities ● Telecommunications Bar Admissions Rhode Island U.S. Court of Appeals First Circuit U.S. District Court District of MA Massachusetts Mr. Keegan plays golf most days, always somewhere sunny. If not playing golf, Mr. Keegan is an avid reader of history and politics and is actively engaged with family, friends, and clients on a number of pressing matters. Mr. Keegan is always ready to go! He has advised clients on matters relating to a broad range of regulatory and administrative compliance matters including regulatory approval of mergers and acquisitions and utility rate plans, among other important issues of the day. He has represented clients in adjudicatory and rulemaking proceedings involving rate-setting, pipeline safety, service quality and industry-restructuring issues. Mr. Keegan has also successfully represented several clients in appeals from the administrative record before the Massachusetts Supreme Judicial Court. He knows a lot. Before founding the firm in 1988, Mr. Keegan was appointed by the Governor for two terms as a Commissioner at the Massachusetts Department of Public Utilities from 1983 to 1988. Prior to his appointment as Commissioner, Mr. Keegan was Deputy Regional Counsel at the United States Department of Energy, 1979 to 1982. He has also served as Special Assistant Attorney General, Massachusetts, 1990-1991; Consultant, Massachusetts Department of Public Utilities and Energy Law Institute, 1982-1983; Senior Trial Counsel, Massachusetts Department of Public Utilities, 1976-1979; and Trial Attorney, Massachusetts Defenders Committee, 1973-1975. Mr. Keegan is a proud double-eagle, 1970 vintage/Boston College and Boston College Law School Representative Cases NSTAR Electric Company v. Department of Public Utilities, 462 Mass. 381, 2011 Fitchburg Gas and Electric Light Company d/b/a Unitil, 460 Mass. 800, 2011 Southern Union company d/b/a New England Gas Company v. Department of Public Utilities, 458 Mass. 812, 2010 Published Works A Market-Based Approach to PURPA (Co-Author with Paul Levy) American Bar Association Natural Resources and Environment, (Spring, 1987) Institutional Obstacles to ISDN Development International Council for Computer Communications, (September, 1987) Competitive Bidding: The New England Experience Public Utilities Papers, (1987) Options for Modifying Rate Base Regulation (Co-Author with Paul Levy) Public Utilities Papers, (1986) Memberships & Associations Subcommittee, Relations with the Federal Energy Regulation Committee, National Association of Regulatory Utility Commissioners, 1987-1988 Member, Gas Committee, National Association of Regulatory Utility Commissioners,1985-1988 Member, Advisory Council, Gas Research Institute, 1985-1988 Education Boston College Law School, Boston, Massachusetts, J.D., 1973 Awards: Recipient, John F. Cremens Award, 1941 Student President, Boston College Legal Assistance Bureau, 1972-1973 Boston College, Chestnut Hill, Massachusetts, B.S. Finance, cum laude, 1968

Keegan Werlin’s energy and regulatory team has unmatched experience with complex energy, environmental, and utility matters. Based in Lexington, MA, and serving clients across New England, we combine regulatory insight with strategic understanding of financial, policy, and infrastructure challenges. Our team delivers results-driven legal solutions aligned with evolving client goals and industry demands. Practice Areas Energy & Regulatory Law Keegan Werlin’s energy and regulatory team has unparalleled experience dealing with complex energy and regulatory issues. The firm combines regulatory expertise with a thorough understanding of the financial, policy and strategic issues emerging in client industries to provide cost-effective and successful representation of client interests. Members of the practice have extensive backgrounds in regulation and government, including former chairs and commissioners of the Massachusetts Department of Public Utilities, two former general counsels, as well as several former hearing officers. Other attorneys in the firm have worked as in-house counsel to large utility companies, as consumer advocates and as staff to members of the Massachusetts Legislature. The diversity of experience among Keegan Werlin attorneys enables high-quality service to a broad array of clients in the regulatory and energy fields. View More Energy Facilities Siting & Permitting Keegan Werlin's energy facility siting and permitting team has multi-faceted expertise and experience with the siting of critical energy infrastructure. The energy siting and permitting team has many years of experience and substantial knowledge of the engineering, planning, financial, economic, environmental and social justice dimensions of large-scale energy infrastructure projects. With this knowledge, Keegan Werlin is able to assist clients in achieving their objectives on a timely and cost-effective basis, with the best possible outcomes. View More Governmental & Legislative Relations Keegan Werlin provides a wide range of advocacy services to clients for matters involving legislative and local, state and municipal forums. Our attorneys advise clients on Massachusetts laws that regulate business and industry; lobbying, ethics and campaign finance, government procurement and the promulgation of regulations. View More Environmental, Municipal, & Land Use Keegan Werlin provides clients with the highest quality legal representation and services in the area of environmental, municipal and land-use law. These practice areas provide valuable support to resolve challenges in energy infrastructure siting and real estate development and planning. In addition to corporations of all sizes, sole proprietorships and individuals, our clients include boards and departments of municipal corporations as they plan and construct critical infrastructure and public and private development projects. View More

Keegan Werlin LLP offers clients top-tier legal representation in environmental, municipal, and land use law. With a deep understanding of regulatory programs, our attorneys bring extensive experience from both government and private practice. Based in Lexington, MA, we assist clients throughout New England with compliance, permitting, and navigating complex environmental regulations. Our team provides strategic guidance to ensure successful outcomes for a wide range of environmental matters. Environmental, Municipal, & Land Use Overview Keegan Werlin provides clients with the highest quality legal representation and services in the area of environmental, municipal and land use law. The strength of the firm’s practice in these areas is drawn from the extensive experience that our attorneys have with a broad scope of regulatory programs in both government and private practice. In addition to corporations of all sizes, sole proprietorships and individuals, our clients include boards and departments of municipal corporations as they plan and construct major public infrastructure projects. Regulatory Permitting and Land Use Our regulatory permitting and land use practice focuses on regulatory permitting for the construction and operation of a wide array of projects. Keegan Werlin works closely with clients and their technical consultants to obtain timely permit approvals from federal, state and local agencies for electric transmission facilities; natural gas pipelines and storage facilities; water and sewer projects; solid waste management facilities; industrial, manufacturing and commercial facilities; and hotel and residential projects of all sizes. Our attorneys are among the region’s leading authorities on regulations and policies currently being used in Massachusetts to implement permit-related programs such as the National Environmental Policy Act and the Massachusetts Environmental Policy Act; the Clean Air Act (state and federal); the Solid Waste Management Act; the Clean Water Act; the Wetlands Protection Act; and the Rivers Protection Act. The firm also guides clients through land use permitting at the local level including zoning, site plan review, subdivision planning and approval, and compliance with public health and wetlands performance standards. As special municipal counsel, we have worked closely with the departments of several cities and towns to obtain necessary permits and approvals for large-scale projects such as landfill closures and post-closure development projects; water and sewer projects; and electric generating facility projects.

David S. Rosenzweig is Executive Partner at Keegan Werlin LLP and Chair of the Firm’s Energy Siting & Permitting Practice, representing clients before state regulatory agencies, local permitting authorities and the Massachusetts courts. He advises a wide array of electric and gas companies, energy project developers and end users on issues concerning the siting, permitting and licensing of energy facilities, rates, planning, energy procurement and transmission arrangements. Energy, Contract, Regulatory, & Administrative Law David S. Rosenzweig is Executive Partner at Keegan Werlin LLP and Chair of the Firm’s Energy Siting & Permitting Practice, representing clients before state regulatory agencies, local permitting authorities and the Massachusetts courts. He advises a wide array of electric and gas companies, energy project developers and end users on issues concerning the siting, permitting and licensing of energy facilities, rates, planning, energy procurement and transmission arrangements. David S. Rosenzweig Phone: 617-951-1400 Email: drosen@keeganwerlin.com ● Administrative Law ● Energy Law ● Regulatory Law ● Contract Law Bar Admissions U.S. Court of Appeals D.C. Circuit U.S. Court of Appeals First Circuit U.S. District Court District of MA U.S. Supreme Court Massachusetts New Hampshire Mr. Rosenzweig’s siting expertise includes: electric transmission lines (underground, aboveground and underwater); natural gas, oil and coal-fired electric generating facilities; interstate and intrastate natural gas pipelines; natural gas storage facilities; and solar, wind and battery storage renewable energy facilities. He represented the region's first large-scale, offshore wind power project in obtaining its state and local permits, licenses and siting approvals for energy infrastructure facilities from the Energy Facilities Siting Board, the Executive Office of Environmental Affairs pursuant to the Massachusetts Environmental Policy Act, the Department of Environmental Protection and various other state and local agencies, boards and governmental authorities. He has also represented utility companies and project developers in judicial proceedings in state and federal courts, including the Massachusetts Supreme Judicial Court, regarding challenges to permits and approvals initiated by project opponents. Mr. Rosenzweig has also represented the region's electric and natural gas distribution companies on all regulatory matters before the Massachusetts Department of Public Utilities. He has negotiated electric and gas supply agreements for large institutional energy users and power sale agreements for wholesale electric generators. He has advised clients in restructurings, buydowns and buyouts of power sale agreements between competitive wholesale generators and electric distribution companies. In addition, he has counseled clients on transmission, power delivery and project interconnection issues concerning the New England Power Pool and the New England Independent System Operator. Mr. Rosenzweig has also performed regulatory and permitting due diligence reviews for asset acquisitions of natural gas, oil and coal-fired electric generating facilities. Before joining the firm in 1990, Mr. Rosenzweig worked at Boston Edison Company for seven years in a variety of legal, financial, rate and planning areas. Education Suffolk University Law School, Boston, Massachusetts, J.D., cum laude, 1988 Rensselaer Polytechnic Institute, Troy, New York, M.B.A., 1982 Rensselaer Polytechnic Institute, Troy, New York, B.S. Management, 1981 Recognitions "The Best Lawyers In America" 2007 - 2022 Associations Boston Bar Association Massachusetts Bar Association