GRI^™ Standards Index

This report has been prepared in accordance with the GRI^™ Standards: Core option.

The GRI^™ Standards emphasize materiality and focused sustainability reporting on the economic, environmental, and/or social impacts of an organization. The following index lists our responses to the GRI^™ Standards: Core option (general disclosures and material topic-specific disclosures) and provides links to relevant report content on Leidos.com where appropriate.

Note: For each topic-specific disclosure, disclosures on Management Approach are contained in relevant sections on Leidos.com, including how Leidos manages each material topic, any associated impacts and boundaries, and related evaluations of management approach, where applicable.

SASB Disclosure

We strive for continuous improvement, alignment with industry best practices, and leadership in corporate sustainably and responsibility. As a result, we periodically re-evaluate and update our sustainability and corporate responsibility programs and the ways in which we share our progress with stakeholders. Our GRI^™ Index and SASB Standards Disclosure are integrated into one ESG index to provide a comprehensive view of our corporate performance. Where GRI supports broad and comprehensive disclosures on organizational impacts, SASB focuses on a subset of financially material issues by sector. The term “material” used in this report refers to the “material topic” definition of the Global Reporting Initiative. It is used to refer to relevant topics that can reasonably be considered important to an organization’s economic, environmental, and social impacts, or influencing the decisions of stakeholders. “Material” for the purposes of this report does not equate to any use of the word in other Company reporting or filings with the SEC.

General Standard Disclosures

General Disclosures are applicable to all organizations preparing sustainability reports and provide contextual information about an organization and its sustainability reporting practices. They include information about an organization’s profile, strategy, ethics and integrity, governance, stakeholder engagement practices, and reporting process.

Disclosure Number	Disclosure Title & Requirements	2021 Response
102-14	A statement from the most senior decision-maker of the organization (such as CEO, chair, or equivalent senior position) about the relevance of sustainability to the organization and its strategy for addressing sustainability.	CEO Message
102-15	Provide a description of key impacts, risks, and opportunities.	2021 Annual Report on Form 10-K: Item 1, Business (Page 3) and Item 1A, Risk Factors (Page 16) CDP Climate Change Response

Disclosure Number

Disclosure Title & Requirements

2021 Response

102-14

A statement from the most senior decision-maker of the organization (such as CEO, chair, or equivalent senior position) about the relevance of sustainability to the organization and its strategy for addressing sustainability.

CEO Message

102-15

Provide a description of key impacts, risks, and opportunities.

2021 Annual Report on Form 10-K: Item 1, Business (Page 3) and Item 1A, Risk Factors (Page 16)

CDP Climate Change Response

Disclosure Number	Disclosure Title & Requirements	2021 Response
102-1	Name of the organization	Leidos
102-2	Report the primary brands, products, and services, including an explanation of any products or services that are banned in certain markets.	2021 Annual Report on Form 10-K: Business
102-3	Report the location of the organization's headquarters.	1950 Presidents Street, Reston, VA 20190
102-4	Number of countries where the organization operates, and the names of countries where it has significant operations and/or that are relevant to the topics covered in the report.	People > Workforce Demographics 2021 Annual Report on Form 10-K: Properties, Page 31
102-5	Nature of ownership and legal form.	Corporation (LDOS)
102-6	Markets served including: Geographic locations where products and services are offered, sectors served, types of customers and beneficiaries.	2021 Annual Report on Form 10-K: Business
102-7	Report the scale of the organization (total number of employees, operations, net sales, total capitalization, quantity of products/services provided).	2021 Annual Report on Form 10-K: Business
102-8 and SASB TC-SI-330a.3 SASB TC-SI-330a.1	Total number of employees by employment contract (permanent and temporary), by gender. Total number of employees by employment contract (permanent and temporary), by region. Total number of employees by employment type (full-time and part-time), by gender. Whether a significant portion of the organization’s activities are performed by workers who are not employees. If applicable, a description of the nature and scale of work performed by workers who are not employees. Any significant variations in the numbers reported (such as seasonal variations in the tourism or agricultural industries). An explanation of how the data have been compiled, including any assumptions made.	People > Workforce Demographics 2021 Annual Report on Form 10-K; Page 7-8 Our full-time workforce is 34% female and 66% male. 7.3% of our workforce is comprised of Foreign Nationals. Only 2.2% of our workforce is located offshore.
SASB TC-SI-330a.2	Employee Engagement as a percentage	People > Engagement and Retention Leidos Employee Engagement Surveys
102-9	A description of the organization's supply chain, including its main elements as they relate to the organization’s activities, primary brands, products, and services.	Supplier & Small Business Relationships 2021 Annual Report on Form 10-K: Contract Procurement At Leidos, our suppliers and subcontractors are critical to our success, and we are committed to teaming with those suppliers that best fit our needs and those of our customers. We are part of a complex global supply chain with a wide range of vulnerabilities. We understand the impact that our procurement decisions could have on our company and reputation, as well as our customers, the environment, our communities, and all our stakeholders. Our supplier base encompasses large and small businesses around the globe operating across markets and delivering solutions to a wide range of customers. This diverse set of suppliers is essential to our success, and transparent and ethical behavior from our suppliers is required for us all to thrive. Our goal is to partner with responsible companies that share both our values and our commitment to high ethical standards.
102-10	Significant changes to the organization’s size, structure, ownership, or supply chain, including: Changes in the location of, or changes in, operations, including facility openings, closings, and expansions; Changes in the share capital structure and other capital formation, maintenance, and alteration operations (for private sector organizations); Changes in the location of suppliers, the structure of the supply chain, or relationships with suppliers, including selection and termination.	2021 Annual Report on Form 10-K: Acquisitions and Divestitures, Page 7
102-11	Whether and how the organization applies the Precautionary Principal or approach.	ESG Governance & Strategy Environment
102-12	A list of externally developed economic, environmental and social charters, principles, or other initiatives to which the organization subscribes or which it endorses.	The Leidos Corporate Responsibility report is developed in compliance with the GRI Standards Reporting Framework. Additionally, Leidos subject matter experts participate in a number of collaborative efforts with stakeholders and external organizations. Leidos is a signatory of the following: Business Roundtable Purpose of a Corporation, Leidos CEO Pledge to End Addiction and the Leidos CEO Pledge Collaborative - Action Group.
102-13	A list of the main memberships of industry or other associations, and national or international advocacy organizations.	Leidos participates in numerous professional industry associations and community/non-profit organizations related to our business as well as the communities in which employees live and work, respectively. Leidos employees hold leadership positions in many of these organizations. We do not currently disclose a complete list of the association memberships.

Disclosure Number	Disclosure Title & Requirements	2021 Response
102-45	A list of all entities included in the organization’s consolidated financial statements or equivalent documents; Whether any entity included in the organization’s consolidated financial statements or equivalent documents is not covered by the report.	2021 Annual Report on Form 10-K
102-46	An explanation of the process for defining the report content and the topic Boundaries; An explanation of how the organization has implemented the Reporting Principles for defining report content.	ESG Governance and Strategy ESG Materiality and Stakeholder Engagement About Our Reporting
102-47	List all the material aspects identified in the process for defining report content.	ESG Materiality and Stakeholder Engagement About Our Reporting
103-1	Explanation of the material topic and its Boundary An explanation of why the topic is material; The Boundary for the material topic, which includes a description of where the impacts occur; the organization’s involvement with the impacts. For example, whether the organization has caused or contributed to the impacts, or is directly linked to the impacts through its business relationships; Any specific limitation regarding the topic Boundary	All statements regarding our core values and commitment to data privacy, ethics, and integrity apply to the entire enterprise. References to numbers of employees and associated metrics apply to the entire enterprise, except where noted otherwise. Most employee benefit programs addressed within this report relate to Leidos U.S. operations, which make up the preponderance of our workforce, and may exclude certain U.S. subsidiaries. In keeping with our workforce distributions, this report highlights activities within our U.S. operations, including subsidiaries and leased facilities, while presenting selected data on our worldwide enterprise. Information about our business and financial performance, reported pursuant to our fiscal year ended on December 31, 2021, is provided in the Leidos 2021 Annual Report on Form 10-K.
103-2	The management approach and its components An explanation of how the organization manages the topic. A statement of the purpose of the management approach. A description of the following, if the management approach includes that component: Policies; Commitments; Goals and targets; Responsibilities; Resources; Grievance mechanisms; Specific actions, such as processes, projects, programs and initiatives	2022 Proxy Statement, Corporate Governance – ESG Strategy and Oversight, Page 8-18 ESG Governance and Strategy Next Level Leidos ESG Goals
103-3	Evaluation of the management approach An explanation of how the organization evaluates the management approach, including: The mechanisms for evaluating the effectiveness of the management approach; The results of the evaluation of the management approach; Any related adjustments to the management approach.	Next Level Leidos ESG Goals ESG Materiality and Stakeholder Engagement A summary of the evaluation of our management approach is addressed in the introduction of the corresponding section of this report.
102-48	The effect of any restatements of information given in previous reports, and the reasons for such restatements.	2020 environmental data restated to capture acquisitions and boundary and methodology changes that were implemented in 2021 and applied retroactively for 2020 to facilitate year-over-year performance tracking. Newly captured acquisitions include Dynetics, L3 Harris SDA businesses, Gibbs & Cox, Inc., and 1901 Group. Boundary expanded to include aircraft emissions and fugitive refrigerant emissions from equipment at leased facilities where Leidos maintains the equipment. Previously, the boundary was limited to fugitive refrigerant emissions from equipment at owned facilities only. Methodology enhanced to include billed electricity and natural gas data from more facilities in the U.K. and Australia and large full service gross leases in the US. Previously, electricity and natural gas data for these facilities was estimated using the average intensity method. Reported figures are preliminary and pending third-party verification.
102-49	Significant changes from previous reporting periods in the list of material topics and topic boundaries.	Having met our legacy environmental goals, we released the Next Level Leidos ESG Goals. This plan now governs our sustainability strategy and management.

Disclosure Number	Disclosure Title & Requirements	2021 Response
102-40	A list of stakeholder groups engaged by the organization.	ESG Materiality and Stakeholder Engagement
102-42	The basis for identifying and selecting stakeholders with whom to engage.	ESG Materiality and Stakeholder Engagement About Our Reporting
102-43	The organization’s approach to stakeholder engagement, including frequency of engagement by type and by stakeholder group, and an indication of whether any of the engagement was undertaken specifically as part of the report preparation process.	ESG Materiality and Stakeholder Engagement About Our Reporting
102-44	Key topics and concerns that have been raised through stakeholder engagement, including: How the organization has responded to those key topics and concerns, including through its reporting; The stakeholder groups that raised each of the key topics and concerns.	This is addressed with the relevant topics reported.

Disclosure Number	Disclosure Title & Requirements	2021 Response
102-50	Reporting period for the information provided.	Calendar year 2021
102-51	If applicable, the date of the most recent previous report.	Fall, 2021 (covering the previous calendar year 2020).
102-52	Reporting cycle.	Annual
102-53	The contact point for questions regarding the report or its content.	[email protected]
102-54	The claim made by the organization, if it has prepared a report in accordance with the GRI Standards, either: ‘This report has been prepared in accordance with the GRI Standards: Core option’; ‘This report has been prepared in accordance with the GRI Standards: Comprehensive option’	This report has been prepared in accordance with the GRI Standards: Core option.
102-55	The GRI content index, which specifies each of the GRI Standards used and lists all disclosures included in the report. For each disclosure, the content index shall include: The number of the disclosure (for disclosures covered by the GRI Standards); The page number(s) or URL(s) where the information can be found, either within the report or in other published materials; If applicable, and where permitted, the reason(s) for omission when a required disclosure cannot be made.	GRI Standards Index
102-56	A description of the organization’s policy and current practice with regard to seeking external assurance for the report. If the report has been externally assured: A reference to the external assurance report, statements, or opinions. If not included in the assurance report accompanying the sustainability report, a description of what has and what has not been assured and on what basis, including the assurance standards used, the level of assurance obtained, and any limitations of the assurance process; The relationship between the organization and the assurance provider; Whether and how the highest governance body or senior executives are involved in seeking external assurance for the organization’s sustainability report.	The complete Leidos GRI report is not currently externally assured. However, our greenhouse gas emissions data is externally assured by a third party.

Disclosure Number	Disclosure Title & Requirements	2021 Response
102-18	Governance structure of the organization, including committees of the highest governance body. Committees responsible for decision-making on economic, environmental, and social topics.	ESG Risk and Oversight Corporate Governance 2022 Proxy Statement, Pages 8 to 22

Disclosure Number

Disclosure Title & Requirements

2021 Response

102-18

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

Committees responsible for decision-making on economic, environmental, and social topics.

ESG Risk and Oversight

Corporate Governance

2022 Proxy Statement, Pages 8 to 22

Disclosure Number	Disclosure Title & Requirements	2021 Response
102-16	A description of the organization’s values, principles, standards, and norms of behavior.	Ethics and Compliance
102-17	A description of internal and external mechanisms for: Seeking advice about ethical and lawful behavior, and organizational integrity; Reporting concerns about unethical or unlawful behavior, and organizational integrity.	Ethics and Compliance > Reporting Channels and Investigations Case Management

Disclosure Number

Disclosure Title & Requirements

2021 Response

102-16

A description of the organization’s values, principles, standards, and norms of behavior.

Ethics and Compliance

102-17

A description of internal and external mechanisms for:

Seeking advice about ethical and lawful behavior, and organizational integrity;
Reporting concerns about unethical or unlawful behavior, and organizational integrity.

Ethics and Compliance > Reporting Channels and Investigations Case Management

Topic-Specific Disclosures

Topic-specific disclosures include information on an organization’s impacts related to material economic, environmental, and social topics and disclosures on Management Approach. Topic-specific disclosures deemed material to Leidos are presented below according to the three Topic-specific Standards — Economic, Environmental and Social.

Economic

Disclosure Number	Disclosure Title & Requirements	2021 Response
201-1	Direct economic value generated and distributed Direct economic value generated and distributed (EVG&D) on an accruals basis, including the basic components for the organization’s global operations as listed below. If data are presented on a cash basis, report the justification for this decision in addition to reporting the following basic components: Direct economic value generated: revenues; Economic value distributed: operating costs, employee wages and benefits, payments to providers of capital, payments to government by country, and community investments; Economic value retained: 'direct economic value generated’ less ‘economic value distributed’. Where significant, report EVG&D separately at country, regional, or market levels, and the criteria used for defining significance.	2021 Annual Report on 10-K Executive Summary Community > Corporate Philanthropy
201-2	Financial implications and other risks and opportunities for the organization's activities due to climate change Risks and opportunities posed by climate change that have the potential to generate substantive changes in operations, revenue, or expenditure, including: A description of the risk or opportunity and its classification as either physical, regulatory, or other; A description of the impact associated with the risk or opportunity; The financial implications of the risk or opportunity before action is taken; The methods used to manage the risk or opportunity; The costs of actions taken to manage the risk or opportunity.	2021 Annual Report on 10-K, Risk Factors Leidos reports relevant climate change risks and opportunities through CDP.  Information on climate-related risks and opportunities are outlined in section C2 - Risks and Opportunities.
SASB TC-SI550a.1	Managing Systemic Risks from Technology Disruptions Number of Performance issues Service disruptions; Total customer downtime	Not Currently Reported
SASB TC-SI550a.2	Description of business continuity risks related to disruptions of operations	Risks and potential risks are identified and incidents (manmade disasters, extreme weather, epidemics/pandemics, natural disasters) are tracked that could result in either short and/or long- term disruptions. For the identified risks to business operations and/or information technology operations, the potential for material adverse impacts to Leidos’ ability to provide goods and services to our clients or meet performance or contractual obligations is assessed, including in terms of possible reputational damage, loss of investor confidence, financial impacts, or legal impairment. Continuity measures are implemented and monitored as appropriate across business operations and information technology operations to mitigate identified potential material adverse impacts.
201-3	Defined benefit plan obligations and other retirement plans If the plan’s liabilities are met by the organization’s general resources, the estimated value of those liabilities. If a separate fund exists to pay the plan’s pension liabilities: The extent to which the scheme’s liabilities are estimated to be covered by the assets that have been set aside to meet them; The basis on which that estimate has been arrived at; When that estimate was made. If a fund set up to pay the plan’s pension liabilities is not fully covered, explain the strategy, if any, adopted by the employer to work towards full coverage, and the timescale, if any, by which the employer hopes to achieve full coverage. Percentage of salary contributed by employee or employer. Level of participation in retirement plans, such as participation in mandatory or voluntary schemes, regional, or country-based schemes, or those with financial impact.	As of January 1, 2022, the Leidos Biomedical Research defined benefit plan has 540 active employees (with balances), 444 deferred vested participants and 725 former employees receiving pensions. According to the most recent actuarial valuation, the Plan is approximately 110% funded, on a stabilized funding basis. This plan was fully frozen on August 30, 2019. All participant accruals are fully frozen. The second plan includes, as of January 1, 2022, the Calanais Pension trustee Co., LTD sponsored plan included 140 deferred members, 80 pensioner members (including 7 dependent pensioner members) and funding level as at 31 March 2021 of 120%.

Environmental

Disclosure Number	Disclosure Title & Requirements	2021 Response
302-1	Energy consumption within the organization: Total fuel consumption within the organization from non-renewable sources, in joules or multiples, and including fuel types used. Total fuel consumption within the organization from renewable sources, in joules or multiples, and including fuel types used. In joules, watt-hours or multiples, the total: electricity consumption heating consumption cooling consumption steam consumption In joules, watt-hours or multiples, the total: electricity sold heating sold cooling sold steam sold Total energy consumption within the organization, in joules or multiples. Standards, methodologies, assumptions, and/or calculation tools used. Source of the conversion factors used.	Environment > Corporate Footprint and Environmental Stewardship CDP Climate Change 2022, C8. Energy Leidos does not sell electricity, heating, cooling, or steam.
302-2	Energy consumption outside of the organization: Energy consumption outside of the organization, in joules or multiples. Standards, methodologies, assumptions, and/or calculation tools used. Source of the conversion factors used.	Environment > Corporate Footprint and Environmental Stewardship Scope 3 aviation fuel consumption totaled 2,644,361 U.S. gallons in 2021. This includes aircraft outside of Leidos' operational control but associated with Leidos contracts.
302-3	Energy intensity: Energy intensity ratio for the organization. Organization-specific metric (the denominator) chosen to calculate the ratio Types of energy included in the intensity ratio; whether fuel, electricity, heating, cooling, steam, or all. Whether the ratio uses energy consumption within the organization, outside of it, or both.	Environment > Corporate Footprint and Environmental Stewardship CDP Climate Change 2022, C9. Additional Metrics
302-4	Reduction of energy consumption: Amount of reductions in energy consumption achieved as a direct result of conservation and efficiency initiatives, in joules or multiples. Types of energy included in the reductions; whether fuel, electricity, heating, cooling, steam, or all. Basis for calculating reductions in energy consumption, such as base year or baseline, including the rationale for choosing it. Standards, methodologies, assumptions, and/or calculation tools used.	Environment > Corporate Footprint and Environmental Stewardship CDP Climate Change 2022, C4. Targets and Performance
SASB TC-SI-130a.3	Discussion of the integration of environmental considerations into strategic planning for data center needs.	Environment > Corporate Footprint and Environmental Stewardship Leidos works in partnership with our data center providers to reduce power consumption and thereby its CO_kWH emissions footprint. Today, Leidos is using a fraction of the power that historically we’ve been associated with, and continue to strive toward power consumption levels that are reflective of our commitment to responsible data center governance. Through software defined data centers, moving our workload to the cloud, and moving our data recovery from physical storage to the cloud, we have seen considerable energy reductions in our centers. In Leidos largest data center, we have reduced kWh 6.5% and in our second largest data center, we have reduced kWh by 14%.

Disclosure Number

Disclosure Title & Requirements

2021 Response

302-1

Energy consumption within the organization:

Total fuel consumption within the organization from non-renewable sources, in joules or multiples, and including fuel types used.
Total fuel consumption within the organization from renewable sources, in joules or multiples, and including fuel types used.
In joules, watt-hours or multiples, the total:
1. electricity consumption
2. heating consumption
3. cooling consumption
4. steam consumption
In joules, watt-hours or multiples, the total:
1. electricity sold
2. heating sold
3. cooling sold
4. steam sold
Total energy consumption within the organization, in joules or multiples.
Standards, methodologies, assumptions, and/or calculation tools used.
Source of the conversion factors used.

Environment > Corporate Footprint and Environmental Stewardship

CDP Climate Change 2022, C8. Energy

Leidos does not sell electricity, heating, cooling, or steam.

302-2

Energy consumption outside of the organization:

Energy consumption outside of the organization, in joules or multiples.
Standards, methodologies, assumptions, and/or calculation tools used.
Source of the conversion factors used.

Environment > Corporate Footprint and Environmental Stewardship

Scope 3 aviation fuel consumption totaled 2,644,361 U.S. gallons in 2021. This includes aircraft outside of Leidos' operational control but associated with Leidos contracts.

302-3

Energy intensity:

Energy intensity ratio for the organization.
Organization-specific metric (the denominator) chosen to calculate the ratio
Types of energy included in the intensity ratio; whether fuel, electricity, heating, cooling, steam, or all.
Whether the ratio uses energy consumption within the organization, outside of it, or both.

Environment > Corporate Footprint and Environmental Stewardship

CDP Climate Change 2022, C9. Additional Metrics

302-4

Reduction of energy consumption:

Amount of reductions in energy consumption achieved as a direct result of conservation and efficiency initiatives, in joules or multiples.
Types of energy included in the reductions; whether fuel, electricity, heating, cooling, steam, or all.
Basis for calculating reductions in energy consumption, such as base year or baseline, including the rationale for choosing it.
Standards, methodologies, assumptions, and/or calculation tools used.

Environment > Corporate Footprint and Environmental Stewardship

CDP Climate Change 2022, C4. Targets and Performance

SASB

TC-SI-130a.3

Discussion of the integration of environmental considerations into strategic planning for data center needs.

Environment > Corporate Footprint and Environmental Stewardship

Leidos works in partnership with our data center providers to reduce power consumption and thereby its CO_kWH emissions footprint. Today, Leidos is using a fraction of the power that historically we’ve been associated with, and continue to strive toward power consumption levels that are reflective of our commitment to responsible data center governance. Through software defined data centers, moving our workload to the cloud, and moving our data recovery from physical storage to the cloud, we have seen considerable energy reductions in our centers. In Leidos largest data center, we have reduced kWh 6.5% and in our second largest data center, we have reduced kWh by 14%.

Disclosure Number	Disclosure Title & Requirements	2021 Response
305-1	Direct greenhouse gas (GHG) emissions (Scope 1): Gross direct (Scope 1) GHG emissions in metric tons of CO₂ equivalent. Gases included in the calculation; whether CO₂, CH₄, N₂O, HFCs, PFCs, SF₆, NF₃, or all. Biogenic CO₂ emissions in metric tons of CO₂ equivalent. Base year for the calculation, if applicable, including: the rationale for choosing it; emissions in the base year; the context for any significant changes in emissions that triggered recalculations of base year emissions. Source of the emission factors and the global warming potential (GWP) rates used, or a reference to the GWP source. Consolidation approach for emissions; whether equity share, financial control, or operational control. Standards, methodologies, assumptions, and/or calculation tools used.	Environment > Corporate Footprint and Environmental Stewardship CDP Climate Change 2022, C6. Emissions Data
305-2	Energy indirect (Scope 2) GHG emissions: Gross location-based energy indirect (Scope 2) GHG emissions in metric tons of CO₂ equivalent. If applicable, gross market-based energy indirect (Scope 2) GHG emissions in metric tons of CO₂ equivalent. If available, the gases included in the calculation; whether CO₂, CH₄, N₂O, HFCs, PFCs, SF₆, NF₃, or all. Base year for the calculation, if applicable, including: the rationale for choosing it; emissions in the base year; the context for any significant changes in emissions that triggered recalculations of base year emissions. Source of the emission factors and the global warming potential (GWP) rates used, or a reference to the GWP source. Consolidation approach for emissions; whether equity share, financial control, or operational control. Standards, methodologies, assumptions, and/or calculation tools used.	Environment > Corporate Footprint and Environmental Stewardship CDP Climate Change 2022, C6. Emissions Data
305-3	Other indirect greenhouse gas (GHG) emissions (Scope 3): Gross other indirect (Scope 3) GHG emissions in metric tons of CO₂ equivalent. If available, the gases included in the calculation; whether CO₂, CH₄, N₂O, HFCs, PFCs, SF₆, NF₃, or all. Biogenic CO₂ emissions in metric tons of CO₂ equivalent. Other indirect (Scope 3) GHG emissions categories and activities included in the calculation. Base year for the calculation, if applicable, including: the rationale for choosing it; emissions in the base year; the context for any significant changes in emissions that triggered recalculations of base year emissions. Source of the emission factors and the global warming potential (GWP) rates used, or a reference to the GWP source. Standards, methodologies, assumptions, and/or calculation tools used.	Environment > Corporate Footprint and Environmental Stewardship
305-4	Greenhouse gas (GHG) emissions intensity: GHG emissions intensity ratio for the organization. Organization-specific metric (the denominator) chosen to calculate the ratio. Types of GHG emissions included in the intensity ratio; whether direct (Scope 1), energy indirect (Scope 2), and/or other indirect (Scope 3). Gases included in the calculation; whether CO₂, CH₄, N₂O, HFCs, PFCs, SF₆, NF₃, or all.	Environment > Corporate Footprint and Environmental Stewardship CDP Climate Change 2022, C6. Emissions Data
305-5	Reduction of greenhouse gas (GHG) emissions: GHG emissions reduced as a direct result of reduction initiatives, in metric tons of CO₂ equivalent. Gases included in the calculation; whether CO₂, CH₄, N₂O, HFCs, PFCs, SF₆, NF₃, or all. Base year or baseline, including the rationale for choosing it. Scopes in which reductions took place; whether direct (Scope 1), energy indirect (Scope 2), and/or other indirect (Scope 3). Standards, methodologies, assumptions, and/or calculation tools used.	CDP Climate Change 2022, C4. Targets and performance

Disclosure Number	Disclosure Title & Requirements	2021 Response
306-2	Waste by type and disposal method: Report the total weight of hazardous and non-hazardous waste, by the following disposal methods: Reuse Recycling Composting Recovery, including energy recovery Incineration (mass burn) Deep well injection Landfill On-site storage Other (to be specified by the organization) Total weight of non-hazardous waste, with a breakdown by the following disposal methods where applicable: Reuse Recycling Composting Recovery, including energy recovery Incineration (mass burn) Deep well injection Landfill On-site storage Other (to be specified by the organization) How the waste disposal method has been determined: Disposed of directly by the organization, or otherwise directly confirmed Information provided by the waste disposal contractor Organizational defaults of the waste disposal contractor	Leidos has national contracts with professional waste management companies for recycling and waste disposal at all owned and some leased facilities. We do not have complete waste and recycling data for all facilities for CY 2021 and are working to gather this data through our landlords and facility management partners to both establish a baseline and move forward with our Next Level Leidos waste reduction goal. Circularity measures and additional details are provided in Environment > Corporate Footprint and Environmental Stewardship CY 2021 Hazardous Waste Total: 14,262 lbs. Leidos disposes of hazardous waste using Clean Harbors Environmental Services. Leidos generates hazardous waste at a very small percentage of our facilities. For those locations that do generate hazardous waste, all are considered small quantity generators per US EPA (less than 1,000 kilograms of hazardous waste per month). The waste is generally landfilled or incinerated at an EPA-permitted hazardous waste Treatment Storage and Disposal Facility (TSDF), as reported to Leidos by Clean Harbors Environmental Services. Leidos collects waste-related data from our vendors who provide detailed reports that include billing, weight, processing, and method. This information is then uploaded into our sustainability platform.
SASB TC-SI-130a.2	Total water withdrawn Total water consumed, percentage of each in regions with High or Extremely High Baseline Water Stress	Environment > Corporate Footprint and Environmental Stewardship

Disclosure Number

Disclosure Title & Requirements

2021 Response

306-2

Waste by type and disposal method:

Report the total weight of hazardous and non-hazardous waste, by the following disposal methods:

Reuse
Recycling
Composting
Recovery, including energy recovery
Incineration (mass burn)
Deep well injection
Landfill
On-site storage
Other (to be specified by the organization)

Total weight of non-hazardous waste, with a breakdown by the following disposal methods where applicable:

Reuse
Recycling
Composting
Recovery, including energy recovery
Incineration (mass burn)
Deep well injection
Landfill
On-site storage
Other (to be specified by the organization)

How the waste disposal method has been determined:

Disposed of directly by the organization, or otherwise directly confirmed
Information provided by the waste disposal contractor
Organizational defaults of the waste disposal contractor

Leidos has national contracts with professional waste management companies for recycling and waste disposal at all owned and some leased facilities. We do not have complete waste and recycling data for all facilities for CY 2021 and are working to gather this data through our landlords and facility management partners to both establish a baseline and move forward with our Next Level Leidos waste reduction goal.

Circularity measures and additional details are provided in Environment > Corporate Footprint and Environmental Stewardship

CY 2021 Hazardous Waste Total: 14,262 lbs.

Leidos disposes of hazardous waste using Clean Harbors Environmental Services. Leidos generates hazardous waste at a very small percentage of our facilities. For those locations that do generate hazardous waste, all are considered small quantity generators per US EPA (less than 1,000 kilograms of hazardous waste per month). The waste is generally landfilled or incinerated at an EPA-permitted hazardous waste Treatment Storage and Disposal Facility (TSDF), as reported to Leidos by Clean Harbors Environmental Services. Leidos collects waste-related data from our vendors who provide detailed reports that include billing, weight, processing, and method. This information is then uploaded into our sustainability platform.

SASB

TC-SI-130a.2

Total water withdrawn
Total water consumed, percentage of each in regions with High or Extremely High Baseline Water Stress

Environment > Corporate Footprint and Environmental Stewardship

Disclosure Number	Disclosure Title & Requirements	2021 Response
308-1	New suppliers that were screened using environmental criteria Percentage of new suppliers that were screened using environmental criteria.	The Leidos Supply Chain Risk and Resiliency Program is tasked to build and maintain a flexible supply chain that can rapidly adjust to risks and disruptions by bending to stress without breaking. This program includes Supply Chain Sustainability, with a focus on factors related to environmental, social and governance practices within the entire value chain. Leidos has a holistic program that combines close relationships with our key partners, small businesses, and a diverse set of industry-leading tools to maintain a focus on proactive protections to minimize disruptions while accelerating recovery and promoting environmental and social action. Through management of a core supply base, tight collaboration with partners across the industry, and sharing information across cross-functional internal teams, the Leidos Supply Chain Risk & Resiliency program combines industry best-practices with real-time data to anticipate disruptions and adjust as the threats evolve. These initiatives complement our goals of delivering exceptional service, value and expertise to internal stakeholders through efficient and compliant processes, as well as helping to establish a high performing, innovative and diverse supply base.
308-2	Negative environmental impacts in the supply chain and actions taken: Number of suppliers assessed for environmental impacts. Number of suppliers identified as having significant actual and potential negative environmental impacts. Significant actual and potential negative environmental impacts identified in the supply chain. Percentage of suppliers identified as having significant actual and potential negative environmental impacts with which improvements were agreed upon as a result of assessment. Percentage of suppliers identified as having significant actual and potential negative environmental impacts with which relationships were terminated as a result of assessment, and why.	Leidos screens suppliers working with our Commercial Energy Solutions or Energy, Environmental Science and Engineering operations. 165 suppliers were accessed in 2021 and 119 in 2022. None None 0% 0%

Disclosure Number

Disclosure Title & Requirements

2021 Response

308-1

New suppliers that were screened using environmental criteria

Percentage of new suppliers that were screened using environmental criteria.

The Leidos Supply Chain Risk and Resiliency Program is tasked to build and maintain a flexible supply chain that can rapidly adjust to risks and disruptions by bending to stress without breaking. This program includes Supply Chain Sustainability, with a focus on factors related to environmental, social and governance practices within the entire value chain. Leidos has a holistic program that combines close relationships with our key partners, small businesses, and a diverse set of industry-leading tools to maintain a focus on proactive protections to minimize disruptions while accelerating recovery and promoting environmental and social action. Through management of a core supply base, tight collaboration with partners across the industry, and sharing information across cross-functional internal teams, the Leidos Supply Chain Risk & Resiliency program combines industry best-practices with real-time data to anticipate disruptions and adjust as the threats evolve. These initiatives complement our goals of delivering exceptional service, value and expertise to internal stakeholders through efficient and compliant processes, as well as helping to establish a high performing, innovative and diverse supply base.

308-2

Negative environmental impacts in the supply chain and actions taken:

Number of suppliers assessed for environmental impacts.
Number of suppliers identified as having significant actual and potential negative environmental impacts.
Significant actual and potential negative environmental impacts identified in the supply chain.
Percentage of suppliers identified as having significant actual and potential negative environmental impacts with which improvements were agreed upon as a result of assessment.
Percentage of suppliers identified as having significant actual and potential negative environmental impacts with which relationships were terminated as a result of assessment, and why.

Leidos screens suppliers working with our Commercial Energy Solutions or Energy, Environmental Science and Engineering operations.

165 suppliers were accessed in 2021 and 119 in 2022.
None
None
0%
0%

Social | Labor Practices and Decent Work

Disclosure Number	Disclosure Title & Requirement	2021 Response
403-2	Types of injury and rates of injury, occupational diseases, lost days, and absenteeism, and number of work-related fatalities: Types of injury, injury rate (IR), occupational disease rate (ODR), lost day rate (LDR), absentee rate (AR), and work-related fatalities, for all employees, with a breakdown by: Region; Gender. Types of injury, injury rate (IR), and work-related fatalities, for all workers (excluding employees) whose work, or workplace, is controlled by the organization, with a breakdown by: Region; Gender. The system of rules applied in recording and reporting accident statistics.	Leidos reports for the company's overall injury rate by total workforce only (vs. by gender or region). Environment > Environmental Health and Safety

Disclosure Number

Disclosure Title & Requirement

2021 Response

403-2

Types of injury and rates of injury, occupational diseases, lost days, and absenteeism, and number of work-related fatalities:

Types of injury, injury rate (IR), occupational disease rate (ODR), lost day rate (LDR), absentee rate (AR), and work-related fatalities, for all employees, with a breakdown by:
1. Region;
2. Gender.
Types of injury, injury rate (IR), and work-related fatalities, for all workers (excluding employees) whose work, or workplace, is controlled by the organization, with a breakdown by:
1. Region;
2. Gender.
The system of rules applied in recording and reporting accident statistics.

Leidos reports for the company's overall injury rate by total workforce only (vs. by gender or region).

Environment > Environmental Health and Safety

Disclosure Number	Disclosure Title and Requirements	2021 Response
404	Programs for upgrading employee skills and transition assistance programs: Type and scope of programs implemented and assistance provided to upgrade employee skills. Transition assistance programs provided to facilitate continued employability and the management of career endings resulting from retirement or termination of employment.	People
404-1	Average hours of training per year per employee	On average, Leidos employees received 7.3 hours of training per year.
404-2	Programs for upgrading employee skills and transition assistance programs	People 42% of employees took advantage of development courses/upskilling.
404-3	Percentage of employees receiving regular performance and career development reviews	94% of Leidos employees received regular performance and career development reviews.

Disclosure Number	Disclosure Title & Requirements	2021 Response
405-1	Diversity of governance bodies and employees: Percentage of individuals within the organization’s governance bodies in each of the following diversity categories: Gender; Age group: under 30 years old, 30-50 years old, over 50 years old; Other indicators of diversity where relevant (such as minority or vulnerable groups). Percentage of employees per employee category in each of the following diversity categories: Gender; Age group: under 30 years old, 30-50 years old, over 50 years old; Other indicators of diversity where relevant (such as minority or vulnerable groups).	People > Workforce Demographics

Disclosure Number

Disclosure Title & Requirements

2021 Response

405-1

Diversity of governance bodies and employees:

Percentage of individuals within the organization’s governance bodies in each of the following diversity categories:
- Gender;
- Age group: under 30 years old, 30-50 years old, over 50 years old;
- Other indicators of diversity where relevant (such as minority or vulnerable groups).
Percentage of employees per employee category in each of the following diversity categories:
- Gender;
- Age group: under 30 years old, 30-50 years old, over 50 years old;
- Other indicators of diversity where relevant (such as minority or vulnerable groups).

People > Workforce Demographics

Disclosure Number	Disclosure Title & Requirements	2021 Response
414-1	New suppliers that were screened using social criteria Percentage of new suppliers that were screened using social criteria.	Supplier & Small Business Relationships Subcontracts and purchase orders with an anticipated ceiling value of $250,000 or more will include a record of Other Than Small Business Award documentation to demonstrate compliance with FAR 52.219-8 requirements. The Other Than Small Business Award documentation will set out, at a minimum: The participant(s) in the procurement activity; The business size and status of participant(s) in the procurement activity and; The reason(s) for award to an Other Than Small Business Offer or Other Than Small Business Award documentation will be signed and dated prior to award.
414-2	Negative social impacts in the supply chain and actions taken: Number of suppliers assessed for social impacts. Number of suppliers identified as having significant actual and potential negative social impacts. Significant actual and potential negative social impacts identified in the supply chain. Percentage of suppliers identified as having significant actual and potential negative social impacts with which improvements were agreed upon as a result of assessment. Percentage of suppliers identified as having significant actual and potential negative social impacts with which relationships were terminated as a result of assessment, and why.	Supplier & Small Business Relationships Ethics and Compliance Leidos maintains a Restricted Supplier List used to communicate those suppliers that are fully or partially restricted from use. Restrictions are based on a number of categories that include, but are not limited to, non-conformance with contractual requirements; intentional attempts to defraud Leidos or the federal government, and legal proceedings.

Disclosure Number

Disclosure Title & Requirements

2021 Response

414-1

New suppliers that were screened using social criteria

Percentage of new suppliers that were screened using social criteria.

Supplier & Small Business Relationships

Subcontracts and purchase orders with an anticipated ceiling value of $250,000 or more will include a record of Other Than Small Business Award documentation to demonstrate compliance with FAR 52.219-8 requirements. The Other Than Small Business Award documentation will set out, at a minimum: The participant(s) in the procurement activity; The business size and status of participant(s) in the procurement activity and; The reason(s) for award to an Other Than Small Business Offer or Other Than Small Business Award documentation will be signed and dated prior to award.

414-2

Negative social impacts in the supply chain and actions taken:

Number of suppliers assessed for social impacts.
Number of suppliers identified as having significant actual and potential negative social impacts.
Significant actual and potential negative social impacts identified in the supply chain.
Percentage of suppliers identified as having significant actual and potential negative social impacts with which improvements were agreed upon as a result of assessment.
Percentage of suppliers identified as having significant actual and potential negative social impacts with which relationships were terminated as a result of assessment, and why.

Supplier & Small Business Relationships

Ethics and Compliance

Leidos maintains a Restricted Supplier List used to communicate those suppliers that are fully or partially restricted from use. Restrictions are based on a number of categories that include, but are not limited to, non-conformance with contractual requirements; intentional attempts to defraud Leidos or the federal government, and legal proceedings.

Social | Society

Disclosure Number	Disclosure Title & Requirements	2021 Response
413-1	Operations with local community engagement, impact assessments, and development programs: Percentage of operations with implemented local community engagement, impact assessments, and/or development programs, including the use of: Social impact assessments, including gender impact assessments, based on participatory processes; Environmental impact assessments and ongoing monitoring; Public disclosure of results of environmental and social impact assessments; Local community development programs based on local communities’ needs; Stakeholder engagement plans based on stakeholder mapping; Broad based local community consultation committees and processes that include vulnerable groups; Works councils, occupational health and safety committees and other worker representation bodies to deal with impacts; Formal local community grievance processes that include vulnerable groups;	Leidos does not currently track the percentage of operations metric. Most of our locations, however, engage in outreach within their communities. Included in this report are several examples of our efforts in both specific communities and amongst specific populations, as well as our community engagement priority areas. We believe that these programs and activities are effective, yet continue to look for ways to maximize their positive effects and minimize any negative impacts. Community Community > Corporate Philanthropy

Disclosure Number

Disclosure Title & Requirements

2021 Response

413-1

Operations with local community engagement, impact assessments, and development programs:

Percentage of operations with implemented local community engagement, impact assessments, and/or development programs, including the use of:
- Social impact assessments, including gender impact assessments, based on participatory processes;
- Environmental impact assessments and ongoing monitoring;
- Public disclosure of results of environmental and social impact assessments;
- Local community development programs based on local communities’ needs;
- Stakeholder engagement plans based on stakeholder mapping;
- Broad based local community consultation committees and processes that include vulnerable groups;
- Works councils, occupational health and safety committees and other worker representation bodies to deal with impacts;
- Formal local community grievance processes that include vulnerable groups;

Leidos does not currently track the percentage of operations metric. Most of our locations, however, engage in outreach within their communities. Included in this report are several examples of our efforts in both specific communities and amongst specific populations, as well as our community engagement priority areas. We believe that these programs and activities are effective, yet continue to look for ways to maximize their positive effects and minimize any negative impacts.

Community

Community > Corporate Philanthropy

Disclosure Number	Disclosure Title & Requirements	2021 Response
205-1	Operations assessed for risks related to corruption: Total number and percentage of operations assessed for risks related to corruption. Significant risks related to corruption identified through the risk assessment.	Ethics and Compliance The Leidos Internal Audit department has a multi-year risk-based Audit Plan. The Audit Plan focuses on Financial, Business Operations, Corporate Functions, Information Technology, and Security controls to support compliance with Leidos policies and procedures. Risks are continuously monitored, and the Audit Plan is adjusted accordingly. The multi-year Audit Plan covers U.S. as well as international operations
205-2	Communication and training about anti-corruption policies and procedures: Total number and percentage of governance body members that the organization’s anti-corruption policies and procedures have been communicated to, broken down by region. Total number and percentage of employees that the organization’s anti-corruption policies and procedures have been communicated to, broken down by employee category and region. Total number and percentage of business partners that the organization’s anti-corruption policies and procedures have been communicated to, broken down by type of business partner and region. Describe if the organization’s anti-corruption policies and procedures have been communicated to any other persons or organizations. Total number and percentage of governance body members that have received training on anti-corruption, broken down by region. Total number and percentage of employees that have received training on anti-corruption, broken down by employee category and region.	Ethics and Compliance 100% of our governance body and employees receive education on, and have completed, Ethics Training which includes anti-corruption policies and procedures training. Without exception, the company acts in accordance with all its ethics policies and procedures wherever Leidos operates. Moreover, Leidos also holds its third-party business partners, suppliers, and vendors to the same standards of ethics and integrity. Leidos requires all suppliers to conform to our Supplier Code of Conduct as stated in the Leidos Supplier Terms and Conditions documents.
205-3	Confirmed incidents of corruption and actions taken: Total number and nature of confirmed incidents of corruption. Total number of confirmed incidents in which employees were dismissed or disciplined for corruption. Total number of confirmed incidents when contracts with business partners were terminated or not renewed due to violations related to corruption. Public legal cases regarding corruption brought against the organization or its employees during the reporting period and the outcomes of such cases.	Leidos SEC Form 10-K, page 105 and Leidos SEC Form 10-Q, page 22

Disclosure Number

Disclosure Title & Requirements

2021 Response

205-1

Operations assessed for risks related to corruption:

Total number and percentage of operations assessed for risks related to corruption.
Significant risks related to corruption identified through the risk assessment.

Ethics and Compliance

The Leidos Internal Audit department has a multi-year risk-based Audit Plan. The Audit Plan focuses on Financial, Business Operations, Corporate Functions, Information Technology, and Security controls to support compliance with Leidos policies and procedures. Risks are continuously monitored, and the Audit Plan is adjusted accordingly. The multi-year Audit Plan covers U.S. as well as international operations

205-2

Communication and training about anti-corruption policies and procedures:

Total number and percentage of governance body members that the organization’s anti-corruption policies and procedures have been communicated to, broken down by region.
Total number and percentage of employees that the organization’s anti-corruption policies and procedures have been communicated to, broken down by employee category and region.
Total number and percentage of business partners that the organization’s anti-corruption policies and procedures have been communicated to, broken down by type of business partner and region. Describe if the organization’s anti-corruption policies and procedures have been communicated to any other persons or organizations.
Total number and percentage of governance body members that have received training on anti-corruption, broken down by region.
Total number and percentage of employees that have received training on anti-corruption, broken down by employee category and region.

Ethics and Compliance

100% of our governance body and employees receive education on, and have completed, Ethics Training which includes anti-corruption policies and procedures training. Without exception, the company acts in accordance with all its ethics policies and procedures wherever Leidos operates. Moreover, Leidos also holds its third-party business partners, suppliers, and vendors to the same standards of ethics and integrity.

Leidos requires all suppliers to conform to our Supplier Code of Conduct as stated in the Leidos Supplier Terms and Conditions documents.

205-3

Confirmed incidents of corruption and actions taken:

Total number and nature of confirmed incidents of corruption.
Total number of confirmed incidents in which employees were dismissed or disciplined for corruption.
Total number of confirmed incidents when contracts with business partners were terminated or not renewed due to violations related to corruption.
Public legal cases regarding corruption brought against the organization or its employees during the reporting period and the outcomes of such cases.

Leidos SEC Form 10-K, page 105

and

Leidos SEC Form 10-Q, page 22

Disclosure Number	Disclosure Title & Requirements	2021 Response
415-1	Political contributions: Total monetary value of financial and in-kind political contributions made directly and indirectly by the organization by country and recipient/beneficiary. If applicable, how the monetary value of in-kind contributions was estimated.	For calendar year 2021, the Leidos Political Action Committee (L-PAC) made $370,500 in political contributions. No in-kind contributions were made. No political contributions were made to state and local candidates and committees and all L-PAC contributions were made within the United States.

Disclosure Number

Disclosure Title & Requirements

2021 Response

415-1

Political contributions:

Total monetary value of financial and in-kind political contributions made directly and indirectly by the organization by country and recipient/beneficiary.
If applicable, how the monetary value of in-kind contributions was estimated.

For calendar year 2021, the Leidos Political Action Committee (L-PAC) made $370,500 in political contributions. No in-kind contributions were made. No political contributions were made to state and local candidates and committees and all L-PAC contributions were made within the United States.

Disclosure Number	Disclosure Title & Requirements	2021 Response
206-1	Legal actions for anti-competitive behavior, anti-trust, and monopoly practices: Number of legal actions pending or completed during the reporting period regarding anti-competitive behavior and violations of anti-trust and monopoly legislation in which the organization has been identified as a participant. Main outcomes of completed legal actions, including any decisions or judgments.	In 2021, there were no material anti-competitive incidents that required disclosure in our reported filed with the SEC. Trust Center > Data Privacy
TC-SI-520a.1	Total amount of monetary losses as a result of legal proceedings associated with anticompetitive behavior regulations.	In 2021, there were no material anti-competitive incidents that required disclosure in our reported filed with the SEC. Trust Center > Data Privacy

Disclosure Number

Disclosure Title & Requirements

2021 Response

206-1

Legal actions for anti-competitive behavior, anti-trust, and monopoly practices:

Number of legal actions pending or completed during the reporting period regarding anti-competitive behavior and violations of anti-trust and monopoly legislation in which the organization has been identified as a participant.
Main outcomes of completed legal actions, including any decisions or judgments.

In 2021, there were no material anti-competitive incidents that required disclosure in our reported filed with the SEC.

Trust Center > Data Privacy

TC-SI-520a.1

Total amount of monetary losses as a result of legal proceedings associated with anticompetitive behavior regulations.

In 2021, there were no material anti-competitive incidents that required disclosure in our reported filed with the SEC.

Trust Center > Data Privacy

Disclosure Number	Disclosure Title & Requirements	2021 Response
419-1	Non-compliance with laws and regulations in the social and economic area: Significant fines and non-monetary sanctions for non-compliance with laws and/or regulations in the social and economic area in terms of: total monetary value of significant fines; total number of non-monetary sanctions; Cases brought through dispute resolution mechanisms. If the organization has not identified any non-compliance with laws and/or regulations, a brief statement of this fact is sufficient. The context against which significant fines and non-monetary sanctions were incurred.	No significant fines and non-monetary sanctions were levied against Leidos for non-compliance in 2021.

Disclosure Number

Disclosure Title & Requirements

2021 Response

419-1

Non-compliance with laws and regulations in the social and economic area:

Significant fines and non-monetary sanctions for non-compliance with laws and/or regulations in the social and economic area in terms of:
- total monetary value of significant fines;
- total number of non-monetary sanctions;
- Cases brought through dispute resolution mechanisms.
If the organization has not identified any non-compliance with laws and/or regulations, a brief statement of this fact is sufficient.
The context against which significant fines and non-monetary sanctions were incurred.

No significant fines and non-monetary sanctions were levied against Leidos for non-compliance in 2021.

Disclosure Number	Disclosure Title & Requirements	2021 Response
418-1	Substantiated complaints concerning breaches of customer privacy and losses of customer data: Total number of substantiated complaints received concerning breaches of customer privacy, categorized by: complaints received from outside parties and substantiated by the organization; complaints from regulatory bodies. Total number of identified leaks, thefts, or losses of customer data. If the organization has not identified any substantiated complaints, a brief statement of this fact is sufficient.	In 2021, there were no material cybersecurity incidents that required disclosure in our reported filed with the SEC. Trust Center > Data Privacy
SASB TC-SI-230a.1	Number of data breaches Percentage involving personally identifiable information (PII) Number of users affected	In 2021, there were no material data breaches that required disclosure in our reported filed with the SEC.
SASB TC-SI-230a.2	Description of approach to identifying and addressing data security risks, including use of third-party cybersecurity standards.	Trust Center > Cyber Security
SASB TC-SI-220a.1	Description of policies and practices relating to behavioral advertising and user privacy	Trust Center > Data Privacy Additional relevant policies and practices are included in the following documents: Leidos Privacy Statement UK/EU Privacy Notice California Privacy Notice Leidos conducts limited behavioral advertising. A description of our policies and practices related to behavioral advertising is described here.
SASB TC-SI-220a.2	Number of users whose information is used for secondary purposes	Leidos is a business-to-business (B2B) and business-to government (B2G) products and services provider. Accordingly, while we may collect and process customer data, which may include Personal Information (collectively, “Customer Data”), our normal business practice is to do so only at the request or direction of our customers and solely for the purpose(s) agreed to in the applicable customer contract. We collect and process such Customer Data responsibly and in compliance with applicable laws, regulations, and customer contract obligations.
SASB TC-SI-220a.3	Total amount of monetary losses as a result of legal proceedings associated with user privacy	In 2021, there were no material monetary losses as a result of legal proceedings associated with user privacy that required disclosure in our reported filed with the SEC.
SASB TC-SI-220a.4	Number of law enforcement requests for user information Number of users whose information was requested Percentage resulting in disclosure	As a government and commercial contractor, Leidos provides products and services to its customers as a service provider. In the event Leidos receives a request from law enforcement, Leidos responds to such requests in accordance with the terms of its contract with each customer, and in accordance with valid judicial requests, subpoenas or other legal requirements.
SASB TC-SI-220a.5	List of countries where core products or services are subject to government-required monitoring, blocking, content filtering, or censoring .	As a government and commercial contractor, Leidos provides products and services to its customers subject to the terms of its contract with each customer. Leidos does not provide products or services directly to consumers. Leidos’ products and services are subject to customer oversight and contract terms, but are not otherwise subject to government monitoring, blocking, filtering, or censoring.

GRI™ Standards Index

This report has been prepared in accordance with the GRI™ Standards: Core option.

SASB Disclosure

General Standard Disclosures

Topic-Specific Disclosures

Economic

Environmental

Social | Labor Practices and Decent Work

Social | Society

GRI^™ Standards Index

This report has been prepared in accordance with the GRI^™ Standards: Core option.