Ethics and Governance Written policies and auditing programs create strong governance throughout the company and our supply chain. Key policies and documents, including board governance documents and charters, are publicly available on our website. These and many other formal procedures and controls set the standards that guide our actions and ensure the highest levels of responsibility, integrity and legal compliance across our businesses. ETHICS AND BUSINESS CONDUCT Safety, honor and commitment are our values. At Phillips 66, we do not compromise our integrity. We recognize that questions can arise in today's increasingly complex global business environment. Therefore, we follow the operating guidelines in our Code of Business Ethics and Conduct (Code of Ethics) to ensure we tie our company's values to our decision-making processes. Our company policies, programs and practices ensure ethical business and good governance. We expect every person who works at Phillips 66 — directors, officers and employees at all levels within the company — to work for the greater good and act with integrity, abiding by our Code of Ethics. All employees participate in biannual training on the Code of Ethics and must attest that they will comply with the Code annually. Phillips 66’s principal executive officer and senior financial officers are also expected to adhere to a supplemental Code of Ethics for the Principal Executive Officer and Senior Financial Officers . We conduct annual benchmarking of our ethics program via a third party and share those results with our board's Audit and Finance Committee. The Code of Ethics covers topics including, but not limited to, human rights, conflicts of interest, discrimination, harassment, confidentiality, anti- bribery, anti-boycott, employee grievances, insider trading, competition and fair dealing. It encapsulates the company's human rights position and prohibits human trafficking and forced labor, consistent with international norms. We recognize and respect the dignity of all human beings. We believe business has a role in promoting respect for human rights worldwide. We embrace the right of all people to live their lives free from social, political or economic discrimination or abuse. It oversees the integrity of financial reporting and financial statements. The United Nations Universal Declaration of Human Rights informs our Position on Human Rights . We don’t use corporal punishment, and where we provide housing for employees, we ensure living conditions are safe and sanitary. SHARED VALUE Our company contributes to the local, state and national economies and the communities in which we live and operate. Since 2012, Phillips 66 has paid approximately $10 billion in income and property taxes to local, state and federal governments, helping fund programs for public schools and projects like roads, bridges, ports and waterways. From 2012 through the end of 2021, we distributed over $29 billion to shareholders through dividends, share repurchases and share exchanges. We achieved these results through our continued commitment to safe, reliable and environmentally sustainable operations. Global Ethics Toll-free Help Line 855-318-5390 ~$10 billion income and property taxes paid to local, state and federal governments since 2012 $29+ billion to shareholders through dividends, share repurchases and share exchanges from 2012 through the end of 2021 41 GOVERNANCE