G4-1

CEO Letter

Provide a statement from the most senior
decisionmaker of the organization.

G4-3

About CF Industries

Report the name of the organization.

G4-4

About CF Industries
Annual Report, page 17

Report the primary brands, products, and services.

G4-5

About CF Industries

Report the location of the organization’s headquarters.

G4-6

About CF Industries
10-K, page 1

Report the number of countries where the organization operates.

G4-7

About CF Industries
10-K, page 3

Report the nature of ownership and legal form.

G4-8

About CF Industries
10-K, pages 1-8, 133-135

Report the markets served (including geographic
breakdown, sectors served, and types of customers
and beneficiaries).

G4-9

Annual Report, pages 17-18
10-K, pages 4-5, 11, 30

Report the scale of the organization.

G4-10

Breakdown of Employee Type.

G4-11

Approximately 9.84 percent of our total employees are covered by collective bargaining agreements.

Report the percentage of total employees covered by collective bargaining agreements.

G4-12

10-K, pages 4-9

Describe the organization’s supply chain.

G4-13

10-K, pages 1-2

Report any significant changes during the reporting period regarding the organization’s size, structure,
ownership, or its supply chain.

G4-14

CF does not follow the precautionary approach, but has a
comprehensive internal risk management program in place.

Report whether and how the precautionary approach or principle is addressed by the organization.

G4-15

Responsible Ag, Protect and Sustain, 4R Nutrient Stewardship, Carbon Trust, OSHA VPP, Field to Market

List externally developed economic, environmental, and social charters, principles, or other initiatives to which the organization subscribes or which it endorses.

G4-16

Stakeholder Engagement

List memberships of associations (such as industry associations) and national or international advocacy organizations.

G4-17

10-K, pages 1-2, Exhibit 21

List all entities included in the organization’s consolidated financial statements or equivalent documents.

G4-18

The content of this report has been compiled and drafted
based upon a review and analysis of industry material issues; benchmarking against industry peers, and engaging on a regular basis with our stakeholders, as well as surveying GRI reporting recommendations.

Explain the process for defining the report content and the Aspect Boundaries.

G4-19

List all the material Aspects identified in the process
for defining report content.

G4-20

For each material Aspect, report the Aspect Boundary within the organization. Report whether the Aspect is material within the organization.

G4-21

For each material Aspect, report the Aspect Boundary outside the organization.

G4-22

There have been no restatements from previous reports.

Report the effect of any restatements of information provided in previous reports, and the reasons for such restatements.

G4-23

In July 2015, we acquired the remaining 50 percent interest in GrowHow, the largest fertilizer manufacturer in the United
Kingdom, and renamed it CF Fertilisers UK. Our 2015 sustainability report and accompanying data are now informed by our
CF Fertilisers UK business and operations.

Report significant changes from previous reporting periods in the Scope and Aspect Boundaries.

G4-24

Stakeholder Engagement

Provide a list of stakeholder groups engaged by the organization.

G4-25

We identify relevant stakeholders as those individuals and/or groups that our people, plants, and products impact directly. We also take into consideration the entire life cycle of our products even though we may not be directly responsible for impacts in the downstream value chain.

Report the basis for identification and selection of stakeholders with whom to engage.

G4-26

Stakeholder Engagement

Report the organization’s approach to stakeholder engagement.

G4-27

Environmental, social, and governance (ESG) business practices such as energy consumption from our operations, environmental impacts from nutrient application, employee health and safety, local economic impact, and community outreach are concerns put forth by our stakeholders. This fourth annual sustainability report is part of an ongoing process to communicate key performance factors and considerations in relation to these and other issues to our stakeholders.

Report key topics and concerns that have been raised through stakeholder engagement, and how the organization has responded to those key topics and concerns.

G4-28

January 1, 2015-December 31, 2015

Reporting period for information provided.

G4-29

2014

Date of most recent previous report.

G4-30

Annual

Reporting cycle.

G4-31

corp_communications@cfindustries.com

Provide the contact point for questions regarding the report or its contents.

G4-32

Core

Report the 'in accordance’ option the organization
has chosen.

G4-33

We do not seek external assurance currently for this report.

Report the organization’s policy and current practice with regard to seeking external assurance for the report.

G4-34

Corporate Governance
Annual Report, page 16, Proxy Statement, pages 11-17
Committee Charting

Report the governance structure of the organization, including committees of the highest governance body.

G4-56

Our Values
10-K, page 3

Describe the organization’s values, principles, standards, and norms of behavior such as codes of conduct and codes of ethics.

G4-DMA

Social Impact
Annual Report, pages 2-3

G4-EC1

Social Impact
Annual Report, pages 18-19

Direct economic value generated and distributed.

G4-EC3

10-K, pages 67, 103-111

Coverage of the organization's defined benefit plan obligations.

G4-DMA

Social Impact

G4-EC5

Social Impact
The majority of our operations are located within the United States, where the federal minimum wage is $7.35. Starting salaries at our plants average $55,000 per year and, with full certification, increase to $85,000 per year.

Ratios of standard entry level wage by gender
compared to local minimum wage at significant
locations of operation.

G4-DMA

Social Impact

G4-EC7

Social Impact

Development and impact of infrastructure investments and services supported.

G4-DMA

Responsible Operations

G4-EN3

Responsible Operations

Energy consumption within the organization.

G4-DMA

Responsible Operations

G4-EN15

Responsible Operations

Direct greenhouse gas (GHG) emissions (Scope 1).

G4-DMA

Product Stewardship

G4-EN27

Product Stewardship

Extent of impact mitigation of environmental impacts
of products and services.

G4-DMA

Responsible Operations

G4-EN29

10-K, pages 27-28, 130-132

Monetary value of significant fines and total number of non-monetary sanctions for non-compliance with environmental laws and regulations.

G4-DMA

Responsible Operations

G4-EN34

10-K pages 8-11, 27-28, 130-132

Number of grievances about environmental impacts filed, addressed, and resolved through formal grievance mechanisms.

G4-DMA

Social Impact

G4-LA2

All full-time CF employees are eligible for a suite of health, retirement, and other lifestyle benefits. Part-time employees may be eligible for benefits based on the number of hours
they are scheduled to work.

Benefits provided to full-time employees that are not provided to temporary or part-time employees, by
significant locations of operation.

G4-DMA

Responsible Operations
Social Impact

G4-LA6

Responsible Operations

Type of injury and rates of injury, occupational diseases, lost days, and absenteeism, and total number of work-
related fatalities, by region and by gender.

G4-DMA

Responsible Operations
Social Impact

G4-LA9

Responsible Operations
Social Impact

Average hours of training per year per employee
by gender, and by employee category.

G4-LA10

Responsible Operations
Social Impact

Average hours of training per year per employee
by gender, and by employee category.

G4-DMA

Social Impact

G4-SO1

Social Impact
All of our operations have ongoing local community
engagement programs in place.

Percentage of operations with implemented local community engagement, impact assessments, and development programs.

G4-DMA

Political Contributions Report

G4-SO6

Political Contributions Report

Total value of political contributions by country and recipient/beneficiary.

G4-DMA

Product Stewardship

G4-PR1

Product Stewardship

Percentage of significant product and service categories for which health and safety impacts are assessed for improvement.