- 1 -

DISCLAIMER: This document and all information contained herein is the sole property of Mitsubishi Aircraft Corporation (Mitsubishi Aircraft), and shall not be (a) used for any purpose other than that for which it is supplied or (b) reproduced or disclosed in any way to any third party, in each case, in whole or in part, without Mitsubishi Aircrafts prior written consent. No rights or licenses under any intellectual property right in or to any information contained herein are granted by the delivery of this document or the disclosure of its contents. This document and all information contained herein is provided for informational purposes only and is subject to change. In addition, the information herein may include certain statements, estimates, targets and projections that reflect significant assumptions and subjective judgments by Mitsubishi Aircraft concerning anticipated results that may or may not prove to be correct and there can be no assurance that any such statements, estimates, targets or projections are attainable or will be realized. No statement herein (or the acceptance thereof) shall constitute any contractual offer by, nor create any obligation on the part of, Mitsubishi Aircraft. Mitsubishi Aircraft hereby expressly disclaims all representations or warranties, express or implied, with respect to the information contained herein.

MITSUBISHI AIRCRAFT PROPRIETARY

Maintenance CostMaintenance CostA View From A manufacturerA View From A manufacturer

Taro OgawaTaro OgawaManager, MarketingManager, Marketing

Mitsubishi Aircraft CorporationMitsubishi Aircraft Corporation October October 2020thth, 20, 201111

- 2 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

ContentsContents

About Company & MRJ

Maintenance Cost A View From A Manufacturer

- 3 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

About Company & MRJ

- 4 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

36% 64%

Mitsubishi Aircraft CorporationMitsubishi Aircraft Corporation

Invest

Capital : 100 billion ($1.0billion)

Americas Office(Addison/Dallas) Europe Office

(Amsterdam)

Headquarters(Nagoya)

Tokyo Office

Aerospace Shipbuilding &Ocean DevelopmentMachinery &

Steel StructurePower

Systems

JAXA

- 5 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Next Generation Regional Jet Next Generation Regional Jet MRJ MRJ

Composite Structure (Empennage)

Game-Changing Engine

Human-Centered FlightDeck & FBW Technology

Passenger-Oriented Cabin New Slim Seat Featuring 3D-Net Fabric

Advanced Aerodynamics(CFD Design & Low Noise Airframe)

- 6 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

AirlinesAirlinesAirlines

Most Efficient Aircraft

Game-Changing EngineAdvanced AerodynamicsHuman-Centered Flight DeckComposite Structure

MRJ Key FeaturesMRJ Key Features

EnvironmentEnvironmentEnvironment

Lowest Fuel Burn,Noise, EmissionsGame-Changing EngineAdvanced Aerodynamics

PassengersPassengersPassengers

Most Comfortable Cabin

Passenger-Oriented CabinNew Slim Seat featuring

3D-Net Fabric

- 7 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Sep 2010 First Metal-Cutting Production Commenced

Mar 2011 First PW1217G Engine Assembly Completed

Apr 2011 First Riveting Assembly Work Commenced

2012 First Flight

2014 First Delivery

Solid Progress in DevelopmentSolid Progress in Development

- 8 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Three Customers for 130 OrdersThree Customers for 130 Orders

100 MRJ(50 firm, 50 option)

25 MRJ(15 firm, 10 option)

5 MRJ(MoU)

ANI Group Holdings

(Japan) (US) (Hong Kong)

- 9 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Maintenance Cost A View From A Manufacturer

- 10 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Ground Handling, 4%

Landing Fee, 8%

Navigation Charge, 6%

Cabin Crew, 4%

Flight Crew, 14%

Total Maintenance,16%

Fuel, 49%

Maintenance Cost Maintenance Cost An Important Part of Operating CostAn Important Part of Operating Cost

Cash Operating Cost Breakdown (U.S. Environment)* Typical Regional Jet, 500nm Trip, U.S. Environment, Fuel Price=$2.10/USG

The second largest element in cash operating cost

- 11 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

DesigningDesigning Low Maintenance CostLow Maintenance Cost

Existing Aircraft

Maintenance cost data

Target for new aircraft

Designing Maintenance cost to

meet the target

Competitors Maintenance Cost

Benchmarking Target setting Designing

Manufacturer has to design low maintenance cost

- 12 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Target Setting Target Setting TopTop--Down Estimation ApproachDown Estimation Approach

ATA 21

ATA 22

ATA 23

ATA Chapter System Breakdown

ATA 21ATA 22

ATA 23

Existing AircraftMaintenance Cost

Target for New Aircraft

Analyze Maintenance Cost Differenceby ATA system

- Aircraft size/weight- Technology- Material- Design improvement- Maintenance programetc.

Analysis by ATA chapter system

- 13 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Designing Maintenance Cost Designing Maintenance Cost BottomBottom--Up Approach Up Approach

(Mixed)Structure

ATA 51 - 57

ComponentMaintenance

Cost

AirframeMaintenance

Cost

(Line/A/C/D-check)

SystemATA 21 - 49

Off-AirplaneOn-Airplane

Bottom-up approach to estimate actual aircraft maintenance cost Aircraft Maintenance Cost

= Airframe Maintenance Cost + Component Maintenance Cost

- 14 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

BottomBottom--Up Estimation for Airframe Maintenance CostUp Estimation for Airframe Maintenance Cost

(Mixed)Structure

ComponentMaintenance

Cost

AirframeMaintenance

Cost

(Line/A/C/D-check)

System

Off-AirplaneOn-Airplane

Maintenance Program Analysis

Analyzing maintenance program Collecting field data to estimate actual maintenance cost

Task card MH / Actual Labor MH

Routine / Non-routine Labor cost / Material cost

- 15 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

BottomBottom--Up Estimation for Component Maintenance CostUp Estimation for Component Maintenance Cost

(Mixed)Structure

ComponentMaintenance

Cost

AirframeMaintenance

Cost

(Line/A/C/D-check)

System

Off-AirplaneOn-Airplane

Supplier cost data Avionics Landing Gear Brakes Wheels & Tires APU Other components

Collecting & analyzing maintenance cost information from system suppliers

- 16 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Comparing TopComparing Top--down & Bottomdown & Bottom--Up CostUp Cost

(Mixed)Structure

ComponentMaintenance

CostAirframeMaintenance

Cost

System

Off-AirplaneOn-AirplaneATA 21ATA 22

ATA 23

Top-down (Target)Top-down (Target) Bottom-UpBottom-Up

Compare

Reiterate Bottom-up estimation until meeting Target

If the Bottom-Up doesnt meet the target Design improvement for maintainability Discussion with System Suppliers

- 17 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

MRJMRJss Low Maintenance Cost by DesignLow Maintenance Cost by Design

State-of-the-art technology for cost reduction- Composite material- Full Fly-by-Wire- LED/HID lighting

Maintainability validation by digital & physical mockups

MSG-3 Analysis feedbacks to MRJ design

- 18 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

Continuous Improvement after EntryContinuous Improvement after Entry--IntoInto--ServiceService

Reliability Improvement

Maintenance Interval Extension

Maintenance Productivity Improvement

PlanReliability Target

DoOperation

CheckFailure Analysis

ActionSB for improvement

- 19 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

SummarySummary

Maintenance cost is the second largest element in operating cost

Top-down & Bottom-up estimation approach are essential to design competitive maintenance cost

MRJ is designed to achieve lower maintenance cost than competition

- 20 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

http://www.mrj-japan.com/

Mitsubishi Regional Jet, a new concept from Japanfor the skies of the world.

Thank you for your attention!

- 21 -MITSUBISHI AIRCRAFT PROPRIETARYThis document does not constitute an offer of any kind and no assurances are given as to the information contained herein..

LegendLegend

This document and all information contained herein is the sole property of Mitsubishi Aircraft Corporation (Mitsubishi Aircraft), and shall not be (a) used for any purpose other than that for which it is supplied or (b) reproduced or disclosed in any way to any third party, in each case, in whole or in part, without Mitsubishi Aircrafts prior written consent. No rights or licenses under any intellectual property right in or to any information contained herein are granted by the delivery of this document or the disclosure of its contents. This document and all information contained herein is provided for informational purposes only and is subject to change. In addition, the information herein may include certain statements, estimates, targets and projections that reflect significant assumptions and subjective judgments by Mitsubishi Aircraft concerning anticipated results that may or may not prove to be correct and there can be no assurance that any such statements, estimates, targets or projections are attainable or will be realized. No statement herein (or the acceptance thereof) shall constitute any contractual offer by, nor create any obligation on the part of, Mitsubishi Aircraft. Mitsubishi Aircraft hereby expressly disclaims all representations or warranties, express or implied, with respect to the information contained