102-1Name of the organizationAbout ONEOK
102-2Activities, brands, products, and servicesAbout ONEOK
102-3Location of headquartersAbout ONEOK
102-4Location of operationsAbout ONEOK
102-5Ownership and legal formAbout ONEOK
102-6Markets servedAbout ONEOK
102-7Scale of the organizationWorkforce

2019 Annual Report (Form 10-K) 6-14, 33
102-8Information on employees and other workersWorkforce
102-9Supply chainGovernance
102-10Significant changes to the organization and its supply chainNo changes
102-12External initiativesStakeholder Engagement



Safety and Health

Cyber and Physical Security
102-13Membership of associationsGovernment Relations
102-14Statement from senior decision-makerCEO Letter to Our Stakeholders
102-15Key impacts, risks, and opportunities2019 Annual Report (Form 10-K) 19-30
102-16Values, principles, standards, and norms of behavior About ONEOK

102-17Mechanisms for advice and concerns about ethicsGovernance
102-18Governance structureGovernance
102-19Delegating authorityGovernance
102-20Executive-level responsibility for economic, environmental, and social topicsGovernance
102-21Consulting stakeholders on economic, environmental, and social topicsStakeholder Engagement

2020 Proxy Statement 15
102-22Composition of the highest governance body and its committeesGovernance

2020 Proxy Statement 32-39
102-23Chair of the highest governance body2020 Proxy Statement 35
102-24Nominating and selecting the highest governance body2020 Proxy Statement 18-19, 31
102-25Conflicts of interest2020 Proxy Statement 13, 34-39, 74
102-26Roles of highest governance body in setting purpose, values, and strategyGovernance
102-27Collective knowledge of highest governance bodyGovernance
102-28Evaluating the highest governance body's performance2020 Proxy Statement 22
102-29Identifying and managing economic, environmental, and social impacts Governance

2020 Proxy Statement 22
102-30Effectiveness of risk management processesGovernance

2020 Proxy Statement 15-16
102-31Review of economic, environmental, and social topicsGovernance
102-32Highest governance body's role in sustainability reportingAbout the Report
102-33Communicating critical concerns2020 Proxy Statement 22-23
102-35Remuneration policies2020 Proxy Statement 17-22, 45-70
102-36Process for determining remuneration2020 Proxy Statement 17-18, 22, 72
102-37Stakeholders involvement in remuneration2020 Proxy Statement 72-73

Form 8-K, May 20, 2020
102-38Annual total compensation ratio2020 Proxy Statement 70-71
102-39Percentage increase in annual total compensation ratio2020 Proxy Statement 70-71

2019 Proxy Statement 69-70
102-40List of stakeholder groupsStakeholder Engagement

2020 Proxy Statement 15, 29
102-42Identifying and selecting stakeholdersStakeholder Engagement
102-43Approach to stakeholder engagementStakeholder Engagement

2020 Proxy Statement 15, 29
102-46Defining report content and topic boundariesAbout the Report
102-47List of material topicsAbout the Report
102-49Changes in reportingSustainability Accounting Standards Board (SASB) Reporting Alignment
102-50Reporting periodAbout the Report
102-52Reporting cycleAbout the Report
102-53Contact point for questions regarding the reportAbout the Report
102-54Claims of reporting in accordance with the GRI StandardsAbout the Report
102-55GRI content indexGlobal Reporting Initiative (GRI) Standards
102-56External assuranceAbout the Report