JOINT FILING AGREEMENT

Exhibit 20

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing of a Statement on Schedule 13D (including amendments thereto) with respect to the Common Stock of Navistar International Corporation and further agree that this Joint Filing Agreement be included as an Exhibit thereto. In evidence thereof, the undersigned, being duly authorized, have executed this Joint Filing Agreement this day of February 26 , 2021.

VOLKSWAGEN AG
By:	/s/ Gunnar Xxxx Xxxxxx
Name:	Gunnar Xxxx Xxxxxx
Title:	Member of the Board of Management

By:	/s/ Jürgen Rittersberger
Name:	Jürgen Rittersberger
Title:	SVP Group Strategy and Secretary General

TRATON SE
By:	/s/ Xxxxxxxxx Xxxxxx
Name:	Xxxxxxxxx Xxxxxx
Title:	Chief Financial Officer

By:	/s/ Xxxxxxxx Xxxxxxxx
Name:	Xxxxxxxx Xxxxxxxx
Title:	Chief Executive Officer

TRATON US Inc.
By:	/s/ Do Xxxxx Xxx
Name:	Do Xxxxx Xxx
Title:	Chairman

By:	/s/ Xxxxx Xxxxxxxxx
Name:	Xxxxx Xxxxxxxxx
Title:	Secretary and Treasurer

SCHEDULE A

DIRECTORS AND EXECUTIVE OFFICERS OF THE REPORTING PERSONS

The name, present principal occupation or employment, title, business address and citizenship of each of the members of the Management Board and the Supervisory Board of Volkswagen, the Executive Board and Supervisory Board of TRATON and the directors and officers of TRATON US Inc. are set forth below. If no business address is given, the member’s business address is Xxxxxxxx Xxxx 0, 00000 Xxxxxxxxx, Xxxxxxx for Volkswagen and Xxxxxxxx Xxx. 000, 00000 Xxxxxx, Xxxxxxx for TRATON. If no principal business is given, the present principal business of (i) Volkswagen is the manufacture and sale of vehicles, and (ii) TRATON is the holding of investments in companies whose business purpose is the manufacturing and distribution of vehicles and engines of any kind, as well as such items’ ancillary equipment and all plants, machinery, tools, and other technical products. Unless otherwise indicated below, all of the persons listed below are citizens of Germany.

Volkswagen AG

Board of Management

Name	Present Principal Occupation or Employment
Xx. Xxxxxxx Xxxxx (Austria)	Chairman of the Board of Management
Xxxxx Xxxxx	Member of the Board of Management
Xxxxxx Xxxxx	Member of the Board of Management, Brand Group “Sport & Luxury”; Chairman of the management board of Dr. Ing. x.x. X. Porsche AG (Dr. Ing. x.x. X. Porsche AG’s principal business is car manufacturing and is located at Xxxxxxxxxxxx 0, 00000 Xxxxxxxxx, Xxxxxxx)
Markus Duesmann	Member of the Board of Management, Brand Group “Premium”; Chief Executive Officer and member of the management board of Audi AG (Audi AG’s principal business is the manufacturing and distribution of automobiles and is located at Xxxxxxxx Xxxxxx 00, 00000 Xxxxxxxxxx, Xxxxxxx)
Gunnar Xxxx Xxxxxx	Member of the Board of Management, Functional Responsibility “Human Resources,” Brand Group “Truck & Bus”
Xxxxxx Xxxxxxx	Member of the Board of Management
Xxxxxxx Xxxxxxxx Xxxxxx	Member of the Board of Management, Functional Responsibility “Integrity and Legal Affairs”
Xxxxx Xxxxxx	Member of the Board of Management, Functional Responsibility “Finance and IT”; Chief Financial Officer of Volkswagen

Supervisory Board

Name, (country of citizenship)	Present Principal Occupation or Employment
Xxxx Xxxxxx Pötsch (Austria)	Chairman of the Supervisory Board; Chairman of the management board and Chief Financial Officer of Porsche Automobil Holding SE (Porsche Automobil Holding SE’s principal business is holding investments in companies whose business purpose is the manufacturing and distribution of vehicles and it is located at Xxxxxxxxxxxx 0, 00000 Xxxxxxxxx, Xxxxxxx)
Xx. Xxxxxxx Xxx Xx Xxxxxxx (Qatar)	Board member of Qatar Investment Authority (Qatar Investment Authority’s principal business is investment and is located at West Bay Corniche street Ooredo Headquarter-Qatar)

Name, (country of citizenship)	Present Principal Occupation or Employment
Xx. Xxxxx X. Xx Xxxxx (Qatar)	Chairperson of the board of directors of Qatar Satellite Company (Es’hailSat) (Qatar Satellite Company’s principal business is to manage and develop Qatar’s presence in space. Qatar Satellite Company’s address is Al Markhiya St Xxx xxxxxx, X.X Xxx: 00000, Xxxx Xxxxx)
Dr. Xxxxx Xxxxxxxxxx	Minister of Economic Affairs, Labor, Transport and Digitalisation for the Federal State of Lower Saxony (The Federal State of Lower Saxony’s principal business is civil service and state government. Dr. Althusmann’s office is located at Niedersächsisches Ministerium für Wirtschaft, Arbeit, Verkehr und Digitalisierung, Xxxxxxxxxxxxxx 0, 00000 Xxxxxxxx, Xxxxxxx)
Xxx Xxxxxxxxx	Union Secretary for IG Metall (The principal business of IG Metall is to represent the interests of its members in employment contract negotiations and to provide workplace support. IG Metall is located at Xxxxxxx-Xxxxxxxxx-Xxx. 00, 00000 Xxxxxxxxx xx Xxxx, Xxxxxxx)
Dr. Hans-Xxxxx Xxxxxxx	Chairman of the Board of Management of Volkswagen Management Association (VMA)
Xxxxxxxx Xxxx (Austria)	CEO, BBDO Group Germany GmbH (The BBDO Group’s principal business is marketing and advertising and is located at Xxxxxxxxxxx 00, 00000 Xxxxxxxxxx, Xxxxxxx)
Xxxx Xxxxxxx	Chair of IG Metall (The principal business of IG Metall is to represent the interests of its members in employment contract negotiations and to provide workplace support. IG Metall is located at Xxxxxxx-Xxxxxxxxx-Xxx. 00, 00000 Xxxxxxxxx xx Xxxx, Xxxxxxx)
Xxxxxx Xxxxx	Deputy Chairman of the Works Council, Volkswagen XX Xxxxxx plant (Xx. Xxxxxx-Xxxxxxx-Xxxxx 0, 00000 Xxxxxxxx, Xxxxxxx)
Xx. Xxxxxx Xxxxxxxx (Austria)	Director of Familie Porsche Beteiligung GmbH (The principal business of Familie Porsche Beteiligung GmbH is holding investments in companies whose business purpose is the manufacturing and distribution of vehicles and it is located at Perlacher Xxxxxx 0x, 00000 Xxxxxxxx, Xxxxxxx)
Xxxxx Xxxxx	Chairman of the General Works Council, AUDI AG (Audi AG’s principal business is the manufacturing and distribution of automobiles. Audi AG is located at Xxxx-Xxxxx-Xxxxxx 0, 00000 Xxxxxxxxxx, Xxxxxxx)
Xxxxxxx Xxxxxxxx	Chairman of the Works Council of Volkswagen AG plant Hanover (Mecklenheidestr. 74, Hannover, Germany)
Xxxxx Xxxxxxxx	Chairman of the General and Group Works Council of Volkswagen AG
Xx. Xxxx Xxxxxx Xxxxx (Austria)	Lawyer in private practice (The principal business of his firm is to provide legal services and it is located at Xxxxxxxxxxxx 0/00, 0000 Xxxx, Xxxxxxx)
Xx. Xxxxxxxxx Xxxxxx Porsche (Austria)	Member of the Board of Management of Familie Porsche AG Beteiligungsgesellschaft (The principal business of Familie Porsche AG Beteiligungsgesellschaft is holding investments in companies whose business purpose is the manufacturing and distribution of vehicles and it is located at Xxxxxxxxx 00, 0000 Xxxxxxxx, Xxxxxxx)
Dr. Xxxxxxxx Xxxxxxx (Austria)	Chairman of the Supervisory Board of Porsche Automobil Holding SE (The principal business of Porsche Automobil Holding SE is holding investments in companies whose business purpose is the manufacturing and distribution of vehicles. Porsche Automobil Holding SE is located at Xxxxxxxxxxxx 0, 00000 Xxxxxxxxx, Xxxxxxx)

Name, (country of citizenship)	Present Principal Occupation or Employment
Xxxxx Xxxxxxxxxx	Trade Union Secretary for IG Metall (The principal business of IG Metall is to represent the interests of its members in employment contract negotiations and to provide workplace support. IG Metall is located at Xxxxxxx-Xxxxxxxxx-Xxx. 00, 00000 Xxxxxxxxx xx Xxxx, Xxxxxxx)
Xxxxxxxxxx Xxxxxxxxxxx (Germany and Greece)	Chairman of the Group Works Council of MAN SE and MAN Truck & Bus SE (MAN Truck & Bus SE’s principal business is the manufacturing of vehicles of all kinds, in particular trucks and buses and parts thereof, also trading in such products and provision of after-sales service for them, and its business address is Xxxxxxxx Xxx. 000, 00000 Xxxxxxx, Xxxxxxx. The principal business of MAN SE is the holding investments in companies of any type, particularly companies operating in the fields of mechanical and plant engineering, motor vehicle and engine manufacturing and trading as well as manufacturing such products and processing materials of any kind. MAN SE’s business address is Xxxxxxxx Xxx. 000, 00000 Xxxxxxx, Xxxxxxx)
Xxxxxxx Xxxx	Minister-President of the Federal State of Lower Saxony (The principal business of the Federal State of Lower Saxony is civil service and state government. Xx. Xxxx’x office is located at Niedersächsische Xxxxxxxxxxxxx, Xxxxxxxxxxxx 0, 00000 Xxxxxxxx, Xxxxxxx)
Xxxxxx Xxxxxxx	Chairman of the General Works Council and Group Works Council of Dr. Ing. x.x. X. Porsche AG (Dr. Ing. x.x. X. Porsche AG principal business is car manufacturing and the business is located at Xxxxxxxxxxxx 0, X - 00000 Xxxxxxxxx, Xxxxxxx)

TRATON SE

Executive Board

Name	Present Principal Occupation or Employment
Xxxxxxxx Xxxxxxxx	Chairman of the Executive Board, Chief Executive Officer
Xxxxxxxxx Xxxxxx	Member of the Executive Board, Functional Responsibility “Finance and Business Development”, Chief Financial Officer
Antonio Xxxxxxx Xxxxxx (Brazil)	Member of the Executive Board, President and Chief Executive Officer MAN Latin America Indústria e Comércio de Veiculos Ltda. (MAN Latin America Indústria e Comércio de Veiculos Ltda.’s principal business is to manufacture, trade, import and export automotive vehicles, vehicles and equipment for locomotion or transportation by land, on water and by air, engines, machines and tools, parts, components, accessories, implements and equipment, and to render services related to its industrial and operational activities. It is located at Xxx Xxxxxxxxxx 000, 00000-000 Xxx Xxxxx, Xxxxxx)
Xxxxxx Xxxxxxxxxx* (Xxxxxx)	Member of the Executive Board, President and Chief Executive Officer Scania AB and Scania CV AB (Scania AB’s principal business is to carry on, directly or through subsidiaries or associated companies, development, manufacturing and trading in motor vehicles and industrial and marine engines, to develop and deliver services in relation to motor vehicles, industrial and marine engines and otherwise aimed at the logistics industry, to own and manage real and movable property; to carry on financing business as well as other operations compatible with the above, including healthcare activities mainly aimed at employees. Scania CV AB’s principal business is to carry on, whether directly or through subsidiaries or affiliates, the development, manufacture and trading of motor vehicles and industrial and marine engines, to develop and deliver services in relation to motor vehicles, industrial and marine engines and otherwise aimed at the logistics industry, to own and manage real property and movable property, to carry on financing business as well as other businesses compatible with the above, including healthcare activities mainly aimed at employees. Both are located at 000 00 Xxxxxxxxxx, Xxxxxx) *Xx Xxxxxxxxxx has announced that he will resign from his positions at TRATON SE, Scania AB and Scania CV AB in the coming weeks.
Xxxxxxxxx Xxxxx (Sweden)	Member of the Executive Board, Functional Responsibility “R&D and Procurement”, Chief Operating Officer
Xx. Xxxxxxx Xxxxxxxx	Member of the Executive Board, Chief Executive Officer MAN SE and MAN Truck & Bus SE (MAN Truck & Bus SE’s principal business is the manufacturing of vehicles of all kinds, in particular trucks and buses and parts thereof, also trading in such products and provision of after-sales service for them, and its business address is Xxxxxxxx Xxx. 000, 00000 Xxxxxxx, Xxxxxxx)

Supervisory Board

Name	Present Principal Occupation or Employment
Xxxx Xxxxxx Pötsch (Austria)	Chairman of the Supervisory Board; Chairman of the management board and Chief Financial Officer of Porsche Automobil Holding SE (The principal business of Porsche Automobil Holding SE is holding investments in companies whose business purpose is the manufacturing and distribution of vehicles and it is located at Xxxxxxxxxxxx 0, 00000 Xxxxxxxxx, Xxxxxxx)

Name	Present Principal Occupation or Employment
Xxxxxxx Xxxxxxxxx	Special Advisor to the Group Works Council of Volkswagen AG
Xxxx Xxxxxxxxx (Sweden)	Chairman for the white collar Unionen  at Scania (Scania CV AB’s principal business is to carry on, directly or through subsidiaries or associated companies, development, manufacturing and trading in motor vehicles and industrial and marine engines, to develop and deliver services in relation to motor vehicles, industrial and marine engines and otherwise aimed at the logistics industry, to own and manage real and movable property; to carry on financing business as well as other operations compatible with the above, including healthcare activities mainly aimed at employees. Scania CV AB is located at 000 00 Xxxxxxxxxx, Xxxxxx)
Xx. Xxxxxxx Xxxx	Member of the Board of Management of Porsche Automobil Holding SE and General Counsel of Volkswagen AG (The principal business of Porsche Automobil Holding SE is holding investments in companies whose business purpose is the manufacturing and distribution of vehicles. Porsche Automobil Holding SE is located at Xxxxxxxxxxxx 0, 00000 Xxxxxxxxx, Xxxxxxx)
Xxxxxx Xxxxxx	Executive Board member and treasurer of IG Metall (The principal business of IG Metall is to represent the interests of its members in employment contract negotiations and to provide workplace support. IG Metall is located at Xxxxxxx-Xxxxxxxxx-Xxx. 00, 00000 Xxxxxxxxx xx Xxxx, Xxxxxxx)
Xxxxxx Xxxxxx	Member of the Board of Management of Volkswagen AG, Functional Responsibility “Human Resources,” Brand Group “Truck & Bus”
Xx. Xxxxxx Xxxxxxxxx	Chief Executive Advisor at A.X.K. Group (A.X.K. Group’s principal business is advising and social contributions. A.X.K. Group is located at Xxxxxx Xxxxxxxx 0, 00000 Xxxxxx, Xxxxxxx)
Xx. Xxxxx Xxxx-Xxxxx (Austria)	Real estate manager
Xxxx Xxxxxxxxx (Sweden)	Chair of the Labor Unions for Graduate Employees at Scania (Scania CV AB’s principal business is to carry on, directly or through subsidiaries or associated companies, development, manufacturing and trading in motor vehicles and industrial and marine engines, to develop and deliver services in relation to motor vehicles, industrial and marine engines and otherwise aimed at the logistics industry, to own and manage real and movable property; to carry on financing business as well as other operations compatible with the above, including healthcare activities mainly aimed at employees. Scania CV AB is located at 000 00 Xxxxxxxxxx, Xxxxxx)
Xx Xxxxxx (Sweden)	Senior Safety Officer for IF Metall at Scania (labor union in Sweden) (Scania CV AB’s principal business is to carry on, directly or through subsidiaries or associated companies, development, manufacturing and trading in motor vehicles and industrial and marine engines, to develop and deliver services in relation to motor vehicles, industrial and marine engines and otherwise aimed at the logistics industry, to own and manage real and movable property; to carry on financing business as well as other operations compatible with the above, including healthcare activities mainly aimed at employees. Scania CV AB is located at 000 00 Xxxxxxxxxx, Xxxxxx)
Xxxxxxx Xxxxxxx (Sweden)	Chair of IF Metall (labor union in Sweden) at Scania (Scania CV AB’s principal business is to carry on, directly or through subsidiaries or associated companies, development, manufacturing and trading in motor vehicles and industrial and marine engines, to develop and deliver services in relation to motor vehicles, industrial and marine engines and otherwise aimed at the logistics industry, to own and manage real and movable property; to carry on financing business as well as other operations compatible with the above, including healthcare activities mainly aimed at employees. Scania CV AB is located at 000 00 Xxxxxxxxxx, Xxxxxx)

Name	Present Principal Occupation or Employment
Xxxx Xxxxxxxxxx (Sweden)	Board director at Scania AB (Scania AB’s principal business is to carry on, directly or through subsidiaries or associated companies, development, manufacturing and trading in motor vehicles and industrial and marine engines, to develop and deliver services in relation to motor vehicles, industrial and marine engines and otherwise aimed at the logistics industry, to own and manage real and movable property; to carry on financing business as well as other operations compatible with the above, including healthcare activities mainly aimed at employees. Scania AB is located at 000 00 Xxxxxxxxxx, Xxxxxx)
Xxxxx Xxxxxxxx	Chairman of the General and Group Works Council of Volkswagen AG
Dr. Xx. Xxxxxxxxx Porsche (Austria)	Specialist in Neurology
Xx. Xxxx-Xxxxxxx Xxxxxx	Managing Partner of Xx. Xxxxxx GmbH (Xx. Xxxxxx GmbH’s principal business is managing Bosch service stations and is located at Xx.-Xxxxxxxx-Xxxxxx-Xxx. 0, 00000 Xxxxxxxxx, Xxxxxxx)
Xxxxxx Xxxxxx	General Secretary of the Works Council of MAN Truck & Bus SE (MAN Truck & Bus SE’s principal business is the manufacturing of vehicles of all kinds, in particular trucks and buses and parts thereof, also trading in such products and provision of after-sales service for them, and its business address is Xxxxxxxx Xxx. 000, 00000 Xxxxxxx, Xxxxxxx)
Xxxxxxxxxx Xxxxxxxxxxx (Germany and Greece)	Chairman of the Group Works Council of MAN Truck & Bus SE and of MAN SE; Chairman of the Group Works Council of TRATON SE (MAN Truck & Bus SE’s principal business is the manufacturing of vehicles of all kinds, in particular trucks and buses and parts thereof, also trading in such products and provision of after-sales service for them, and its business address is Xxxxxxxx Xxx. 000, 00000 Xxxxxxx, Xxxxxxx. The principal business of MAN SE is the holding investments in companies of any type, particularly companies operating in the fields of mechanical and plant engineering, motor vehicle and engine manufacturing and trading as well as manufacturing such products and processing materials of any kind. MAN SE’s business address is Xxxxxxxx Xxx. 000, 00000 Xxxxxxx, Xxxxxxx)
Xxxxxxx Xxxxxxxx Xxxxxx	Member of the Board of Management of Volkswagen AG, Functional Responsibility “Integrity and Legal Affairs”
Xxxxx Xxxxxx	Member of the Board of Management of Volkswagen AG, Functional Responsibility “Finance and IT”
Xxxxxxx Xxxxxx	Chairman of the General Works Council of MAN Truck & Bus Deutschland GmbH (MAN Truck & Bus Deutschland GmbH’s principal business is the distribution of commercial vehicles, in particular but not limited to trucks as well as systems and technology in this regard, and providing service and spare parts. MAN Truck & Bus Deutschland GmbH is located at Xxxxx-Xxxxxxxxx Xxx. 00-00, 00000 Xxxxxxx, Xxxxxxx)

TRATON US INC.

Directors and Officers

Name	Present Principal Occupation or Employment
Xxxxx Xxxxxxxxx	Treasurer at TRATON SE
Do Xxxxx Xxx (Korea)	Head of Campus/Next Level at TRATON SE
Xxxxxxxx Xxxxxxx (United States)	President and CEO of MAN Capital Corporation (MAN Capital Corporation is a financing and holding company and is located at 000 XX 00xx Xxxxxxx, Xxxxxxx Xxxxx, XX 00000)