Former Chairman and CEO of Sempra Energy (energy infrastructure and utilities) Age: 69 Director since: 2015 INDEPENDENT Lead Independent Director OTHER CURRENT PUBLIC COMPANY DIRECTORSHIPS: Chevron Corporation Lockheed Martin Corporation CATERPILLAR BOARD COMMITTEES: Nominating and Governance, Chair Executive, Chair OTHER DIRECTORSHIPS WITHIN THE LAST FIVE YEARS: Halliburton Company Oncor Electric Delivery Company LLC Sempra Energy Experience Chairman of the Board (2012 2018), Chief Executive Officer (2011 2018), Executive Vice President (2010 2011), President and Chief Executive Officer, San Diego Gas and Electric and Southern California Gas Co., joined the company in 1978, Sempra Energy Qualifications Audit Committee Financial Expert, CEO, Leadership, Business Development and Strategy, Customer and Product Support Services, Finance & Accounting, Risk Management, Technology and Global Experience gained over her three decades of experience in senior management and executive positions, including as former CEO at Sempra, an energy infrastructure and utilities company, which also conducts business in Mexico and South America. While leading Sempra, she oversaw significant growth in the use of renewable generation, allowing her to provide valuable insights into trends in the power, oil and gas industries, which are key end-user markets for Caterpillar products. As chair and CEO of Sempra Energy, she led the transformation of San Diego Gas & Electric from all fossil fuel generation to become one of the utilities with the highest percentage of renewables in its portfolio and oversaw initiatives such as developing infrastructure in Mexico. Sempra Energy led renewable development, building wind and solar projects in the U.S. and Mexico to provide clean energy to customers. While at Sempra, she oversaw construction of multibillion dollar LNG and transmission projects and worked with EPC contractors to provide project oversight. She also led diversity and inclusion and supplier diversity at Sempra. In her role as vice president of Human Resources at Southern California Gas Co., she led diversity and inclusion and succession planning and development efforts and oversaw labor relations and union negotiations. Additionally, she also led compliance efforts enacting the corporate ethics policy at Sempra and ensuring proper governance and compliance frameworks were in place. Government/Regulatory Affairs gained while in leadership roles at Sempra while serving four years on the National Petroleum Council, an advisory committee to the United States Secretary of Energy to study energy policy. In her leadership roles at Sempra, she led highly regulated energy businesses in numerous states and internationally and worked extensively with a wide array of government entities and regulators. Board of Directors Experience (other boards) gained while a director of other large, publicly traded corporations such as Chevron, Lockheed Martin and Halliburton. She previously chaired the Nominating and Corporate Governance Committee at Haliburton and currently serves on the Management Development and Compensation Committee and Nominating and Corporate Governance Committee at Lockheed Martin and chairs the Audit Committee at Chevron.