Former CEO of Diversified Businesses at AT&T Inc. (telecommunications) Age: 74 Director since: 2017 INDEPENDENT OTHER CURRENT PUBLIC COMPANY DIRECTORSHIPS: Morgan Stanley Valero Energy Corporation CATERPILLAR BOARD COMMITTEES: Compensation and Human Resources, Chair Nominating and Governance Executive OTHER DIRECTORSHIPS WITHIN THE LAST FIVE YEARS: None Experience CEO of Diversified Businesses (2007 2012), held other leadership roles including Group President of Marketing and Sales, SBC Communications, President and CEO, SBC and Pacific Bell, and President and CEO Southwestern Bell Telephone, joined in 1974, AT&T Inc. Qualifications Audit Committee Financial Expert, Leadership, Business Development & Strategy, Government/Regulatory Affairs, Customer and Product Support Services, Finance & Accounting, Risk Management, Technology and Global Experience gained while in leadership roles at AT&T, where he was responsible for international investments, AT&T Interactive, AT&T Advertising Solutions, customer information services and the consumer wireless initiative in India; his service on the Advisory Council of the McCombs School of Business at the University of Texas at Austin; and his service as a director at Valero Energy Corporation and Morgan Stanley. As chair of Valero s Human Resources and Compensation Committee, he was integral to Valero s progress in linking pay with HSE (health, safety and environmental) and ESG performance. He also served on the Institute for Inclusion Advisory Board at Morgan Stanley, which aims to develop and accelerate an integrated and transparent diversity, equity and inclusion strategy. Board of Directors Experience (other boards) gained while a director and committee chair of other large, publicly traded corporations, including as chair of the Governance and Sustainability Committee at Morgan Stanley and chair of the Human Resources and Compensation Committee and the newly established Sustainability and Public Policy Committee at Valero Energy Corporation.