Corporate Overview 1

Corporate Overview 1

Founded in 1963, Data Systems Analysts, Inc. (DSA) has been providing Defense and Federal Government customers businessdriven Information Technology and consulting solutions and services for more than 55 years. DSA's people excel in helping our customers achieve sensitive, mission-critical business goals and objectives. DSA is a 100 percent employeeowned company: every employee has a stake in the success of our company and our customers. Corporate locations listed below. DSA Operational in 23 States at Headquarters 8 Neshaminy Customer work sites. Interplex Suite 209 FeastervilleTrevose, PA 19053 DSA Aberdeen MD 210 Research Boulevard Suite 250 Aberdeen, MD 21001 DSA Fairfax VA 10300 Eaton Place Suite 500 Fairfax, VA 22030 2

Our Focus DSA has deep expertise and comprehensive understanding of the operational, security, collaboration, and cybersecurity challenges that our customers must address to achieve sensitive, missioncritical goals and objectives. We have employees supporting customers in 59 locations in 23 states, the District of Columbia and Camp Smith Hawaii. DSA is a mature, mid-size business with proven and certified business processes and longevity within our industry. We will always deliver on our promises! - Fran Pierce, CEO DSA offers all employees a Comprehensive Employment Package including 20% match to our 401K Plan, Employee Stock Ownership, Tuition Discounts, Tuition Assistance, Medical, Dental, Vision, Disability Insurance, Life Insurance, 100% Paid Technical Training, Employee Assistance Plan, Monthly Incentive Awards, Vacation and Sick Leave, Pet Insurance, Identity Theft Protection, and various Voluntary Insurances. Corporate Overview 3

Corporate History Data Cloud Across six decades, DSA has supported Analytics Services Critical the Nation’s Warfighters and their Missions Software Services ‘60s 1963 DSA Founded Infrastructure Intelligence Systems ‘70s ‘80s ‘90s ‘00s ‘10s 1964 Develops OCONUS AUTODIN solution for DCA 1975 Supports C2 messaging in theaters intelligence and C3 Integration 1982 Supports transition of MILNET (DDN) from AUTODIN II 1988 Supports AUTODIN Modernization Project 1993 Supports completion of full mission capability of AUTODIN-DMS Transition Project 1994 DISA selects DSA to provide DMS test and program management services 1996 DSA develops first enterprise security solution for new DISN network 1998 PEO C3T selects DSA for KM Task; DSA begins Acquisition Center Support 2001 DSA personnel deploy to Kuwait and Iraq to support OIF C2 Mission 2003 Begins engineering support for intelligence customers 2005 Supports Army PEO C3T's Hurricane Katrina response mission 2007 Deploys JPEO-CBD KC 2008 Awarded DISA ENCORE II prime IDIQ Contract 2009 Implements social networking for Armed Forces; Awarded E2 Task Order in support of Army PEO AMMO 2012 Supports one of the largest SharePoint instances in the Army 2013 Awarded major E2 Task Order in support of Army ARDEC 2014 Awarded GSA OASIS IDIQ; DITCO ranks DSA 4th of 26 ENCORE II primes in Total Contract Value 2015 Awarded CS-TAT IDIQ; awarded contract to support US Navy Facilities Command; acquires Symbolic 2016 DISA ranks DSA 3rd of 26 ENCORE II primes in Total Contract Value Awarded, awarded multiple contracts in support of National Ground Intelligence Center 2017 DSA acquires Project Performance Company (PPC), LLC; Awarded 37.4B Army Responsive Strategic Sourcing for Services (RS3) IDIQ Contract 2018 Awarded 50B Alliant 2 IDIQ Contract; Awarded 12.1B Army ITES-3S IDIQ Contract; Awarded 28B IAC MAC IDIQ; DISA ranks DSA 2d of 26 ENCORE II primes in Total Contract Value Awarded; Awarded JE OPETS Engineering and Technology, and Information Technology (BEI) MAC IDIQ 2019 Awarded DSA has supported the Defense Messaging System (DMS) without interruption since 1963 three JPEO-CBRND prime contracts Corporate Overview 4

Our Core Competencies Clou d Intellige nt Analytics Digital Modernizat ion Corporate Overview Cyber Securi ty 5

Our Customers Corporate Overview 6

Industry Partners Corporate Overview 7

Example Products Supported Enterprise Linux Corporate Overview 8

CLOUD Systems and application design, migration, optimization and transformation within commercial and on premise cloud infrastructure. Key Capabilities & Customers’ Performance Results 9

Cloud Key Capabilities & Customers Cloud Based Systems and Application Design Systems and Application Migration Provisioning Service Engineering Support Cloud Account Provisioning Cloud Systems Accreditation Current and Recent Customers Department of Defense Army Acquisition Community including ASA(ALT) HQ, CERDEC, PEO EIS, PEO CS&CSS, PEO IEW&S, PEO Soldier and SoSE&I National Ground Intelligence Center (NGIC) Department of Homeland Security (DHS) National Archives and Records Administration (NARA) Department of Justice (DOJ) Delivered first ever SaaS solution for DHS ICE in the AWS GovCloud 10

Cloud Federal and Commercial Performance Results National Archives and Records Administration Department of Justice DSA supports NARA’s Description & Authority System (DAS), the primary card catalog for the National Archives and Records Administration. NARA’s National Archives Catalog (NAC) is an online public portal with access to records. The catalog also searches all webpages on Archives.gov. Migrated the DOJ Victim Notification System platform and communication systems from the Rockville, MD Data Center and Appriss Louisville Data Center to the AWS cloud. Support Includes: Supporting DAS, NARA’s first enterprise application in the cloud Support Includes: Detailed Cloud Inventory Cloud Shaping Workshop and Design Security Control Impact Assessment Migration Certification Corporate Overview Department of Homeland Delivered Security first ever SaaS solution for the DHS ICE VINE system in the AWS GovCloud that complies with significant and complex security requirements. Support Includes: Integrated security monitoring Cloud Service Router management Integrated security management with DHS OneNet 11

Cloud DoD Performance Results National Ground Intelligence Center PEO EIS MilTech Solutions Air Education & Training Command DSA provides Army Military Intelligence (MI) Community Information (CI) Technology Enterprise (ITE) Cloud Support to NGIC. DSA provides MilTech Solutions and its DoD customers with Cloud services to include: Providing Cloud Account and Service Provisioning; RMF for Cloud Services; Software modernization and optimization services; and Cloud migration services evaluation, planning assistance and execution. DSA provides AETC with Cloud services including: Software modernization and optimization services; Cloud governance and business process support; and Cloud migration planning assistance and execution. Support Includes: Providing Cloud Account and Service Provisioning. Cloud governance and business process support. RMF for Cloud Services. Software re-factor/re-host migration evaluation, planning assistance and execution. Developed, implemented and provisioned the Army’s C2S reference architecture (designed to bring together the 200 current instances of cloud like systems in the Army into singular architecture, using infrastructure and platform as a service). Deployed on two networks (Unclassified and Classified). Provided a foundation from which Army Military Intelligence (MI) applications can reach RMF authorization in a more efficient manner taking advantage of cloud technology and automation by enhancing overall security posture and governance. Support Includes: Completed Cloud Service Provider (CSP) migration planning for milSuite. Completed application optimization for transition to milCloud infrastructure. Completed cloud governance strategy for milSuite. Integrated ePolicy Orchestrator (ePO) Server and Assured Compliance Assessment Solution (ACAS) scans. Built DISA milCloud Production and COOP environments for milSuite. Corporate Overview Support Includes: Built a Microsoft Azure Cloud environment to support AETC GTIMS development and testing requirements. Built a Microsoft Azure Cloud instance to support the TIMS development and testing for current software production and maintenance. 12

INTELLIGENT ANALYTICS Extract hidden knowledge, deliver breakthrough insights and drive more informed decision making. Key Capabilities & Customers’ Performance Results

Intelligent Analytics Key Capabilities & Customers Enterprise Architecture and Design Critical Infrastructure Intelligence Systems Data Modeling and Integration Data Mining Data Warehousing Data Visualization, Reporting and Dashboard Design Enterprise Information Management Predictive Analytics Current and Past Customers Department of Defense Army Acquisition Community including ASA(ALT) HQ, CERDEC, PEO EIS, PEO CS&CSS, PEO IEW&S, PEO Soldier and SoSE&I National Ground Intelligence Center (NGIC) Army Contracting Command (ACC) Joint Program Executive Office for Chemical, Biological, Radiological, Nuclear Defense (JPEO-CBRND) Naval Facilities Command (NAVFAC) Department of Justice (DOJ) Department of Energy (DOE) Department of Agriculture (USDA) Environmental Protection Agency (EPA) US Patent and Trademark Office (USPTO) Nuclear Regulatory Commission (NRC) Transportation Research Board (TRB) State of Maryland National Nuclear Security Administration (NNSA) Sandia National Laboratories Office of Management & Budget (OMB) Commonwealth of Virginia National Archives and Records Administration (NARA) Corporate Overview 14

Intelligent Analytics DoD Performance Results Virtual Contracting PEO EIS MilTech Solutions National Ground Environment Intelligence Center Developed the Virtual Contracting Enterprise – Business Intelligence (VCE-BI) tools for the Army acquisition community supporting 8,500 users, 200 contracting organizations, and 50 Army Customers worldwide. Support Includes: BI solutions with oversight of over 80 billion in annual transactions. Developed and re-engineered over 2,500 reports and 75 dashboards. DSA, a QLIK partner, transitioned the Army user communities to the new Qlik Sense platform. Developed program-specific user guides embedded in the BI web platform and used Defense Collaboration Services (DCS) to train the geographically dispersed BI SMEs. Supported BI initiatives for the US Army Program Executive Office Enterprise Information Systems Military Technical Solutions Office (MilTech), including nine major Army and Joint organizations for over 10 years. Support Includes: Implemented SAP Business Objects solutions for seven customers. Designed, developed and currently maintain 400 reports/dashboards. Implemented Data Warehouse leveraging Data Integrator, ETL tools, and reports/dashboards. DSA provided NGIC with Data Analytics support including Predictive Analytics on the Biometric Identity Intelligence Resource (Bi2R) System. Support Includes: Predictive Threat Probability Solution Creation of senior leadership planning and execution dashboards, metrics, charts, statistics, analytics and graphs for high level reporting. Data analysis, quality evaluation and normalization. Corporate Overview Navy Facilities Command Georeadiness Center DSA provides full Geographical Information(GRC) Systems (GIS) and information technology support including requirements definition, reporting and data collection of GRC enterprise data. Support Includes: Support the Georeadiness Explorer (GRX) which combines spatial data with tabular information to support Navy decision making. Utilize COTS solution GIS software Environmental Systems Research Institute (ESRI) for Technological analysis at the Navy installation level with a focus on Financial Improvement and Audit Readiness (FIAR). 15

Intelligent Analytics Federal and Commercial Performance Results Restored Utility Operational Data Collection DSA deployed the OSIsoft PI platform in support of the University of Maryland Facilities Management organization. Support Includes: DSA designed a new, scalable, onsite, centralized Operational Data Warehouse (ODW) that delivers improved situational awareness through intuitive alerts and notifications with ability to analyze root causes of the incidents. Improving operations: Improved response times Over 1M in savings Predictive maintenance Integrated incident management Business Intelligence & Enterprise Reporting (BIER) DSA supported the Business Intelligence and Enterprise Reporting (BIER) strategic initiative for the US Marshals Service. Support Includes: Provided comprehensive enterprise reporting, data manipulation, and data validation tools where end users can build and generate custom reports on demand using established data universes. Neutron Generator Progra Office of Management and Budget DSA is designing a DSA provided Business Intelligence support to the U.S. Office of Management and Budget (OMB) in support of the MAX.gov community site for federal data collection and collaboration. Support Includes: Provided centralized data collection, management, analytics tools to analyze, visualize, and distribute data on federal budget reporting. Corporate Overview operational intelligence system for Sandia National Labs to collect and monitor process data related to the manufacturing of Neutron Generators. Support Includes: 20 Process Areas 500 Unique Data Points Critical Alerts and Notifications 16

DIGITAL MODERNIZATION Migration and Modernization of Legacy Business Processes, Systems, Applications and Infrastructure to efficient Cloud-based, Low-Code solutions for improved security and O&M costs. Key Capabilities & Customers’ Performance Results 17

Digital Modernization Key Capabilities & Customers System Architecture, Design, and Requirements Analysis Infrastructure Optimization Services Comprehensive Cloud Realization Application Development Modernization assessments including cost savings and Analysis of Alternatives (AoAs) Business Process Reengineering Current & Recent Customers Department of Defense Army Acquisition Community including ASA(ALT) HQ, CERDEC, PEO EIS, PEO CS&CSS, PEO IEW&S, PEO Soldier and SoSE&I National Ground Intelligence Center (NGIC) Joint Program Executive Office for Chemical, Biological, Radiological, Nuclear Defense (JPEOCBRND) Army Contracting Command (ACC) Air Force Air Education & Training Command (AETC) Advanced Distributed Learning System DISA National Gateway Center (NGC) National Archives and Records Administration (NARA) Environmental Protection Agency (EPA) US Patent and Trademark Office (USPTO) Department of Justice (DOJ) Department of Energy (DOE) Commonwealth of Virginia State of Maryland National Park Services (NPS) Corporate Overview 18

Digital Modernization DoD Performance Results Virtual Contracting PEO EIS MilTech Solutions AETC Advanced Environment Distributed Learning System DSA developed the Virtual Contracting Enterprise (VCE) tools for the Army acquisition community, that provide Program Management, Systems Engineering, Software Development, Training, Solution Deployment and Help Desk Operations and Support. Support Includes: 15,000 end-users in more than 250 CONUS/OCONUS contracting locations. Replaced outdated legacy systems and processes with enterprise applications resulting in contract cost savings of more than 40M annually. BI solutions for the ARMY Contracting Command ACC with oversight of over 80 billion in annual transactions. DSA supports PEOEIS MilTech Solutions digital modernization efforts for applications, systems and infrastructure that supports eight Army Program Executive Offices. Support Includes: Provided system modernization on systems supporting over 1M CONUS and OCONUS users on multiple DoD networks. Virtualized infrastructure and optimized legacy applications Provided business process reengineering to apply Better Buying DoD approach to JPEO-CBRND. DSA supports the production and sustainment of the Advanced Distributed Learning Service (ADLS) system and the next generation Web Learning Content Delivery System (WLCDS). Support Includes: Successfully led the redesign and modernization of AETC’s Advanced Distributed Learning System (ADLS). Corporate Overview DISA National Gateway Center DSA supports the NGC OMS messaging backbone comprised of systems and tools that fall under the operational sustainment and management control of DISA. Support Includes: Designed, developed and modernized DISA’s Message Conversion System (MCS) in support of Command and Control Messaging. 19

Digital Modernization Federal and Commercial Performance Results National Archives and Department of Justice National Park Service Records Administration DSA provides NARA with systems modernization and cloud Implementation services. Support Includes: Enabling NARA to realize 80% annual Cost Savings through systems modernization using the Cloud. 300% increase in System Performance using Cloud solutions. DSA employs advanced technologies to ensure continuous improvement and operational support of the Victim Notification Service (VNS), which processes over 1.1 million notifications every month for the 300 active tracked Federal cases. Support Includes: DSA is modernizing the Victims Notification System (VNS) to implement a Low-Code, AWS Cloud solution DSA modernizes all service wide activities related to the Cultural Resources Database. Support Includes: Support the protection and preservation of 33,000 historic and prehistoric structures, 500 cultural landscapes, and 70,000 archeological sites. Corporate Overview Commonwealth of Virginia DSA delivered Virginia’s Award-Winning Performance Budgeting System. “2014 Excellence in VA Government Award for Innovation in Government” 20

CYBER SECURITY A comprehensive Defense-in-Depth view of an organization’s security posture to mitigate risks and ensure compliance with relevant guidelines. Key Capabilities & Customers’ Performance Results 21

Cyber Security Key Capabilities & Customers Cyber Engineering and Architecture Design System Authorization Services Regulatory Review and Guidance Lifecycle Support of Security Technologies Risk Management and Threat Diagnosis & Analysis Assessment & Authorization Penetration Testing Current and Recent Customers Department of Defense Army Acquisition Community including ASA(ALT) HQ, CERDEC, PEO EIS, PEO CS&CSS, PEO IEW&S, PEO Soldier and SoSE&I National Ground Intelligence Center (NGIC) CECOM Software Engineering Center (SEC) Joint Program Executive Office for Chemical, Biological, Radiological, Nuclear Defense (JPEO-CBRND) Deputy Chief of Naval Operations (DCNO) DISA Business Enterprise Architecture (BEA) DISA National Gateway Center (NGC) DISA PEO Enterprise Services (ES) US Pacific Command (USPACOM) Air Force Air Education & Training Command (AETC) Department of Energy (DOE) Sandia National Laboratories Environmental Protection Agency (EPA) Nuclear Regulatory Commission (NRC) Los Angeles Metro Department of Interior (DOI) Corporate Overview Commercial Nuclear Energy Provider National Archives and Records Administration (NARA) US Patent and Trademark Office (USPTO) Other Commercial Clients 22

Cyber Security DoD Performance Results National Ground Intelligence Center DSA support authorization and accreditation activities for critical systems deployed across various programs within NGIC. NGIC is currently the only INSCOM unit that is 100% ATO compliant. Support Includes: Completed 17 Certificate of Networthiness, 16 Product Description Documents and five signed ATOs First INSCOM start to finish RMF ATO for stand-alone system and NIPRNET Authored the first Overlay for stand-alone systems for DoD Closed Network support including systems hardening Joint PEO for Chemical, Biological, Radiological, Nuclear Defense (JPEO-CBRND) DSA provides Cyber support to identify and prevent cyber attacks for JPEO-CBRND and its customers’ mission critical systems. Air Education & Training Command DSA provides Risk Management Framework (RMF) and cybersecurity consulting to the AETC/A5. Support Includes: Assisted the AETC Support Includes: Cybersecurity Office with Assisted seven programs in developing an Information completing self-assessments Technology Infrastructure and attaining an IATT (Interim Library (ITIL) based Authorization to Test). Responsible, Accountable, Assisted more than 20 Consulted, and Informed programs in creation and (RACI) matrix for Risk modification of their key Risk Management Framework Management Framework (RMF) controls that help documents on the path to integrate activities ATOs. throughout the Supported six Cooperative organization. Vulnerability Penetration Combined three flying Assessment and Adversarial training management Assessment events. systems into a single RMF Supported Authorization to package receiving an Operate (ATO) Approval for Authorization to Operate two JPEO-CBRND programs Overview (ATO) and Authority to with two additionalCorporate ATOs DISA National Gateway Center DSA supports authorization and accreditation activities for the Organizational Messaging as a Service Program. Support Includes: Developed and obtained first authority to operate for the Defense Message System (DMS). Successfully implemented RMF in DISA’s Organizational Messaging Service (OMS) Program. Earned outstanding or above on all DISA Cyber Command Readiness Inspections. Ensured compliance of NGC systems with CYBERCOM IAVAs and DISA STIGs. 23

Cyber Security Federal and Civilian Performance Results Sandia National Laboratories Environmental Protection Agency DSA develops, maintains and operates high security systems that are essential to the Nation’s security. ISO 27001 and ISO 20000 certified services play a key role. DSA supports the Senior Agency Information Security Officer (SAISO) with comprehensive information security services. Support Includes: Supporting multiple secure environments at Sandia, DSA assures the integrity, availability, and confidentiality of information. Support Includes: Managing security compliance across EPA program offices and successfully completed: DSA works with Sandia's business units to successfully enable Sandia to carry out new missions of critical national importance. 24/7/365 worldwide national security operations. o 60 risk assessments across 25 task orders o 70 Security Assessment and Authorization (SA&A) packages and policy documents Los Angeles Metro Commercial Nuclear Power Company DSA helped identify information security gaps within systems serving millions. DSA provides comprehensive critical infrastructure support in the energy sector. Support Includes: DSA expertise supported the Los Angeles County Metropolitan Transportation Authority by conducting: Support Includes: To modernize a situational awareness system, DSA security and energy experts are delivering a full spectrum approach to: o Cyber security analysis o External penetration assessments Corporate Overview o Assessment o Recommendation o Development o Implementation o Operation 24

Prime IDIQ Contract Vehicles Prime Indefinite Delivery Indefinite Quantity (IDIQ) DSA delivers services and products to Federal customers through a variety of prime contracts Contract Vehicles Award Type IDIQ Name Award Type IDIQ Name L/U GSA Alliant 2 L/U JPEO-CBRND JE OPETS Business & Analytical, Engineering & Technical, and Information Technology (BEI) L/U Army ITES-3S L/U JPEO-CBRND Joint Enterprise Research and Development Acquisition and Procurement (JE RDAP) S/R & L/U Army CECOM Responsive Strategic Sourcing for Services (RS3) L/U Navy Seaport-e (Large Business – All Seven Geographic Zones) L/U CIO-SP3 S/R & L/U ENCORE II S/R DoD Information Analysis Center Multiple Award Contract (IAC MAC) (Partial Small Business SetAside) L/U DoD C5 (Command, Control, and Communications in Cyberspace) Consortium S/R DoD Cyber Security and Information Systems Technical Area Task (CS-TAT) (Partial Small Business Set-Aside) L/U EPA ITS-BISS II S/R GSA OASIS Pool 4 L/U Virginia Next Generation Data Analytics L/U GSA IT Schedule 70 L/U Virginia Performance Budgeting IT Solutions L/U GSA Professional Services Schedule (Formally MOBIS) Award Type: L/U is Large Business/Unrestricted S/R is Small Business/Restricted Corporate Overview 25