Global Reporting Initiative (GRI) Index

GRI standards referenced: GRI 1: Foundation 2021 (available as October 5, 2021) and GRI 11: Oil
and Gas Sector Standard 2021

GRI Standard Disclosure GRI Oil & Gas Sector Standard Description Location or Direct Answer
General Disclosures
GRI 2: General Disclosures 2021 Organizational Profile
2-1   Organizational details Crestwood Equity Partners LP; About Crestwood
2-2   Entities included in the
organization’s sustainability
reporting
About This Report
2-3  

Reporting period, frequency and contact point

About This Report;
Annual reporting; January 1 - December 31, 2022; Joanne Howard, SVP Sustainability & Corporate Communications (sustainability@crestwoodlp.com)
2-5   External assurance About This Report; We did not seek external assurance for the data in this sustainability report
Activities and Workers
2-6   Activities, value chain and other business relationships Corporate Profile; 2022 Annual Report on Form 10-K
2-7   Employees Employee Development; Building an Inclusive Workplace
Governance
2-9  

Governance structure and composition

Corporate Governance & Business Ethics
2-10   Nomination and selection of the highest governance body Corporate Governance & Business Ethics,
2023 Proxy Statement
2-11  

Chair of the highest governance body

Bob Phillips, Founder, Chairman and Chief Executive Officer
2-12   Role of the highest governance body in overseeing the management of impacts Corporate Governance & Business Ethics
2-13  

Delegation of responsibility for managing impacts

Corporate Governance & Business Ethics
2-14  

Highest governance body’s role in sustainability reporting

Sustainability Strategy
2-15   Conflicts of interest Corporate Governance & Business Ethics
2-16  

Communication of critical

concerns

Corporate Governance & Business Ethics
2-17  

Collective knowledge of the

highest governance body

Corporate Governance & Business Ethics
2-18  

Evaluation of the performance of the highest governance body

Corporate Governance & Business Ethics
2-19   Remuneration policies 2022 Annual Report on Form 10-K
2-20  

Process for determining

renumeration

2022 Annual Report on Form 10-K
102-21   Annual total compensation ratio 2022 Annual Report on Form 10-K
Strategy, Policies and Practices
2-22  

Statement on sustainable

development strategy

Sustainability Strategy
2-23   Policy commitments Sustainability Strategy
2-24   Embedding policy commitments Sustainability Strategy
2-25  

Process to remediate negative impacts

Corporate Governance & Business Ethics; Landowner Relations
2-26  

Mechanisms for seeking advice and raising concerns

Corporate Governance & Business Ethics
2-27  

Compliance with laws and

regulations

Corporate Governance & Business Ethics; Environmental Management
2-28   Membership associations Government Relations
Stakeholder Engagement
2-29  

Approach to stakeholder

engagement

Our Community of Stakeholders
Material Topics
Material Topics
GRI 3: Material Topics 2021 3-1  

Process to determine material topics

Materiality Assessment
3-2   List of material topics Materiality Assessment
3-3   Management of material topics Materiality Assessment
Economic Topics
Economic Performance
GRI 3: Material Topics 2021 3-3   Management of material topics Economic Performance
GRI 201: Economic Performance 2016 201-1 11.14.2, 11.21.2 Direct economic value generated and distributed Economic Performance
201-2 11.2.2, 11.14.3 Financial implications and other risks and opportunities due to climate change 2022 Annual Report on Form 10-K
201-3  

Defined benefit plan obligations and other retirement plans

2022 Annual Report on Form 10-K
Procurement Practices
GRI 3: Material Topics 2021 3-3  

Management of material topics

Supply Chain Management
GRI 204: Procurement Practices 2016 204-1 11.16.6, 11.14.6

Proportion of spending on local suppliers

Supply Chain Management
GRI 308: Supplier Environmental Assessment 2016 308-1  

New suppliers that were
screened using environmental
criteria

Supply Chain Management
GRI 414: Supplier Social Assessment 2016 414-1 11.10.8

New suppliers that were

screened using social criteria

Supply Chain Management
Business Ethics & Accountability
GRI 3: Material Topics 2021 3-3   Management of material topics Corporate Governance & Business Ethics
GRI 205: Anti-Corruption 2016 205-1 11.20.2 Operations assessed for risks related to compensation Corporate Governance & Business Ethics
205-2 11.20.3 Communication and training
about anti-corruption policies
and procedures
Corporate Governance & Business Ethics
GRI 207: Tax 2019 207-1 11.21.4 Approach to tax 2022 Annual Report on Form 10-K
207-2 11.21.5

Tax governance, control and risk management

2022 Annual Report on Form 10-K
207-3 11.21.6 Stakeholder engagement and
management of concerns
related to tax
2022 Annual Report on Form 10-K
GRI 307: Environmental Comliance 307-1   Non-compliance with
environmental laws and
regulations
Environmental Management
Environmental Topics
Biodiversity & Land Use
GRI 3: Material
Topics 2021
3-3 11.4.1 Management of material topics Biodiversity & Ecosystem Protection
GRI 304:
Biodiversity 2016
103-2 11.4.2 Operational sites owned, leased, managed in or adjacent to, protected areas and areas of high biodiversity value outside protected area Performance Data
103-3 11.4.4 Habitats protected or restored Biodiversity & Ecosystem Protection
Emissions
GRI 3: Material
Topics 2021
3-3 11.1.1 Management of material topics Carbon Management
GRI 305: Emissions
2016
GRI 304: Biodiversity 2016
305-1 11.1.5 Direct (Scope 1) GHG emissions Carbon Management; Performance Data
305-2 11.1.6

Energy indirect (Scope 2) GHG

emissions

Carbon Management; Performance Data
305-4 11.1.8 GHG emissions intensity Carbon Management; Performance Data
305-5 11.2.3 Reduction of GHG emissions Carbon Management; Performance Data
305-7 11.3.2 Nitrogen oxides (Nox),
sulfur oxides (Sox) and other
significant air emissions
Environmental Management; Performance Data
Asset Integrity
GRI 3: Material
Topics 2021
3-3 11.8.1 Management of material topics Environmental Management
GRI 306: Effluents
and Waste 2016
306-3 11.8.2 Significant spills Environmental Management; Performance Data
Waste
GRI 3: Material
Topics 2021
3-3 11.5.1 Management of material topics Environmental Management
GRI 306: Waste 2020 306-1 11.5.2

Waste generation and significant waste-related impacts

Environmental Management
306-3 11.5.4

Waste generated, hydrocarbon spills

Environmental Management
306-4 11.5.5 Waste diverted from disposal Environmental Management
Social Topics
Occupational Health & Safety
GRI 3: Material
Topics 2021
3-3 11.9.1 Management of material topics Prioritizing Safety
GRI 403:
Occupational
Health & Safety
2016
403-1 11.9.2

Occupational health and safety management system

Prioritizing Safety
403-2 11.9.3 Hazard identification, risk
assessment and incident
investigation
Prioritizing Safety
403-3   Occupational health services Prioritizing Safety
403-4 11.9.5 Worker participation, consultation and communication on occupational health and
safety
Prioritizing Safety
403-5 11.9.6

Worker training on occupational health and safety

Prioritizing Safety
403-6 11.9.7 Promotion of worker health Prioritizing Safety
403-7 11.9.9 Prevention of mitigation of
occupational health and safety impacts directly linked by business relationships
Prioritizing Safety
403-9 11.9.10 Work-related injuries Prioritizing Safety
403-10 11.9.11 Work-related health Prioritizing Safety
Employment Practices
GRI 3: Material
Topics 2021
3-3 11.10.1 Management of material topics Employee Development
GRI 401:
Employment 2016
401-1 11.10.2

New employee hires and

employee turnover

Employee Development; Performance Data
401-3 11.10.4, 11.11.13 Parental leave Employee Development; Performance Data
GRI 404: Training
and Education 2016
404-1 11.10.6

Average hours of training per

year per employee

Employee Development; Performance Data
404-2 11.7.3 Programs for upgrading
employee skills and transition
assistance programs
Employee Development
404-3   Percentage of employees receiving regular performance and career development reviews Employee Development; Performance Data
Diversity, Equity & Inclusion
GRI 3: Material
Topics 2021
3-3 11.11.1 Management of material topics Diversity, Equity & Inclusion
GRI 405: Diversity
and Equal
Opportunity 2016
405-1 11.11.5

Diversity of governance bodies and employees

Diversity, Equity & Inclusion
Local Communities
GRI 3: Material
Topics 2021
3-3 11.15.1 Management of material topics Our Community of Stakeholders
GRI 413: Local
Communities 2016
413-1 11.15.2 Operations with local
community engagement, impact assessments and development programs
Our Community of Stakeholders
413-2 11.15.3 Operations with significant
actual and potential negative
impacts on local communities
Our Community of Stakeholders
Indigenous Relations
GRI 3: Material
Topics 2021
3-3 11.17.1 Management of material topics Indigenous Relations
GRI 411: Rights of
Indigenous Peoples
2016
411-1 11.17.2

Incident of violations involving indigenous peoples

Indigenous Relations
Additional sector disclosures   11.17.3 Operations where indigenous peoples are present Indigenous Relations