The SCS Greenhouse Gas Footprint Verification Program has conducted a verification of GHG emissions based upon the following Scope, Objectives, and Criteria : Verification Scope American Airlines Group, Inc. 1 Skyview Dr Fort Worth (HQ), TX Reporting Period : 01/01 /2021 – 12 /31/2021 Geographic Boundary: Approximately 150 domestic airports, 100 international airports, 20 maintenance facilities, 15 cargo facilities, 15 vehicle shops, 5 reservation offices, main campus headquarters, credit unions Facilities, physical infrastructure, activities, technologies, and processes: Flights, Airport Terminals, Maintenance/Cargo Facilities, Offices, Ground Support Equipment GHG Sources, Sinks, and/or Reservoirs: Scope 1 - Jet Fuel, Diesel, Gasoline, LPG, Natural Gas, Fuel Oil, Fugitive Emissions (Refrigerants, CO2, Other Gases) Scope 2 - Electricity, Purchased Heat, RECs Biogenic – Sustainable Aviation Fuel Boundary Method : Operational Control GHG Gases : CO 2 , CH 4 , N 2 O, HFCs Level of Assurance: Limited Materiality: +/-5% quantitative, qualitative based upon requirements specified within verification criteria Verification Objectives  Evaluate the organization’s GHG inventory for material discrepancies based upon the specified level of assurance  Evaluate the organization’s GHG inventory is in conformance with the specified verification criteria Verification Criteria  World Resources Institute/World Business Council for Sustainable Development’s “The Greenhouse Gas Protocol: A Corporate Accounting and Reporting Standard (Revised Edition)” dated March 2004  World Resources Institute/World Business Council for Sustainable Development’s “Scope 2 Guidance Document: An Amendment to the GHG Protocol Corporate Standard” dated 2015  World Resources Institute/World Business Council for Sustainable Development’s “Corporate Value Chain (Scope 3) Accounting and Reporting Standard” dated 2011  The Investor CDP Information Request  ISO 14064- 3: 2019 Specification with guidance for the validation and verification of GHG assertions Verification Opinion This Verification Statement documents that SCS Global Services has conducted verification activities in conformance with ISO 14064- 3: 2019, Specification with guidance for the validation and verification of greenhouse gas assertions. Based upon the reporting scope, criteria, objectives, and agreed upon level of assurance, SCS has issued the following verification opinion:  Positive Verification (Limited Assurance) – No evidence was found that the GHG assertion was not prepared in all material respects with the reporting criteria Verification Qualifications – None Verified Emissions Emissions Summary – Tonnes CO 2 e Scope CO 2 CH 4 N 2 O HFCs Total (tCO 2 e) Scope 1 28,398,766.22 111,085.22 63,683.09 236,701.09 28,810,235.62 Scope 2 - Location Reported as tCO2e Only 250,698.98 Scope 2 - Market Reported as tCO2e Only 249,111.83 Biogenic 13,358.77 - - - 13,358.77 Scope 3 – Category 3 Reported as tCO2e Only 6,074,205.31 Lead Verifier DATE: 0 6-27-2022 _________________________________________________________ Tavio Benetti, Program Manager, GHG Footprint Verification Program Environmental Certification Services SCS Global Services, 2000 Powell Street, Suite 600, Emeryville, CA 94608 USA Independent Reviewer DATE: 06-29-2022 _________________________________________________________ Nicole Mu ñoz, Vice President - ECS Environmental Certification Services SCS Global Services, 2000 Powell Street, Suite 600, Emeryville, CA 94608 USA AMERICAN AIRLINES ESG REPORT 2021 62 \\ Customers \\ Team Members \\ Climate Change \\ Safety \\ ESG Strategy CEO Message INDEXES & DATA \\ Indexes & Data