China Mobile Limited (“the Company” and together with its subsidiaries, the “Group”) was incorporated in Hong Kong on 3 September 1997

As the leading telecommunications service provider in mainland China, the Group provides a full range of communication services in all 31 provinces, autonomous regions and centrally-affiliated cities across the Chinese mainland and within the Hong Kong Special Administrative Region, and boasts a world-class operator telecommunications system with the world's largest network and customer base, leading position in profitability and ranking market value class. Its businesses mainly include data and mobile voice, wired broadband and other information and communication services. As of December 31, 2020, the Group has a total of 454,332 employees, a total of 942 million mobile customers and 210 million wired broadband customers, with a total annual revenue of RMB 68.1 billion.

In 2020, the company was once again voted by Forbes magazine as one of the 2,000 largest public companies in the world by Forbes magazine and Fortune Global 500 by Fortune magazine. China Mobile brand once again entered the list of Top 100 Most Valuable Global Brands of 2020 ranked 36th by Millward Brown. Currently, the company's corporate credit rating is equivalent to the credit rating of the company. sovereign rights of China, namely A+/Stable Outlook from Standard & Poor's and A1/Stable Outlook from Moody's.

Website: https://www.chinamobileltd.com/en/global/home.php

NTT stands for Nippon Telegraph and Telephone Corporation.

NTT's business includes mobile communications (NTT DOCOMO, INC, etc.), regional communications (NTT EAST and WEST, etc.), long-distance and international communications (NTT Ltd., NTT Communications Corporation, etc.) and data communications (NTT DATA CORPORATION, etc.) as well as real estate (NTT Urban Solutions, Inc.), systems development (NTT COMWARE CORPORATION), and finance (NTT FINANCE CORPORATION).

Telephone and telecommunications services were expanded throughout Japan during the country's rapid economic development and in 1985, Nippon Telegraph and Telephone Public Corporation was privatized. In order to streamline the structure and expand the business, NTT established a subsidiary for each business line and established NTT.

NTT's revenue (operating revenue) was approximately 11.94 trillion yen in March 2020 (as of March 31, 2021).

About 320,000 employees work at NTT. NTT now has more than 900 related companies, becoming a global enterprise providing ICT services worldwide.

Website: https://group.ntt/en/

Headquarter: Ōtemachi, Chiyoda , Tokyo, Japan

China Telecom Corporation Limited ("China Telecom" or "Company", a joint stock company incorporated in the People's Republic of China with limited liability, together with its subsidiaries, collectively referred to as "Group") is a large-scale and leading corporation in the world of information service operators, providing mobile and wireline telecommunications services, Internet access services, information services and other services mainly in the People's Republic of China. By the end of 2020, the company has about 351 million mobile subscribers, about 159 million wired broadband subscribers and about 108 million service access lines. The company's H shares and A shares are listed on the Board of Directors of the Hong Kong Stock Exchange Limited ("Hong Kong Stock Exchange" or "HKSE") and Shanghai Stock Exchange ("SSE") respectively.

In November 2020, the company pioneered the commercialization of standalone 5G (SA) scale and custom 5G network deployment and lead the industry to launch a 5G cloud mobile phone, named “e-Surfing One”.

Website: https://www.chinatelecom-h.com/en/global/home.php

Headquarter: 28/F., Everbright Centre, 108 Gloucester Road, Wanchai, Hong Kong

Since its founding in 1984, SoftBank Corp. and its subsidiaries sought to harness the Information Revolution to contribute to the welfare of people and society. The Information Revolution has limitless potential, so the most important thing right now is to know how to use its power in a way that contributes to the well-being of humanity. This vision is the driving force for them to continue pursuing growth.

The group's goal is to contribute to people's happiness through the Information Revolution and to be the group of companies most needed by people in the world. To achieve that, SoftBank has been building an ideal society where everyone can live a comfortable life with the power of digitalisation.

SoftBank has identified six priority issues that must be radically addressed to help achieve the Sustainable Development Goals (SDGs) based on the concept of “a world where all things, information and minds are connected”. By accelerating the promotion of our Beyond Carrier growth strategy, we will contribute to realizing our corporate philosophy, helping to achieve our sustainability goals and solving social problems. are facing.

In January 2021 Softbank decided to move its corporate headquarters to Kaigan, Minato-ku, Tokyo (Takeshiba District), which is a National Strategic Special Zone.

Website: https://www.softbank.jp/en/

Headquarter: Kaigan, Minato-ku, Tokyo

The mobile network brand's name "Au" is based on two verbs, "to meet" (会う) and "to unite" (合う) (both pronounced Au). In addition, the letter Au is also an abbreviation of some English words, where "A" stands for access, always and amenity, and "U" stands for unique and universal and the user (user).

The predecessor of Au network is from two carriers DDI and IDO. IDO's network started in December 1988 in the Kanto and Tokai regions, which is owned by Toyota. The DDI network is operated by Kyocera Corporation and began to be serviced in 1989. Au was later established by Kyocera in November 2000 as part of the DDI Cellular network. In 2001, the company was merged into KDDI (founded in 2000 as a result of the merger of DDI, KDD and IDO), but the Au brand name remained unchanged and applied to all mobile phone services belongs to KDDI Group.

In terms of coverage density, Au is among the 3 carriers with the widest coverage in Japan, with the second and third highest transmission quality in the country.

Au network operator is one of the genuine iPhone distributors in Japan. Au has started selling the iPhone 4S series since October 14, 2011. In addition, Au mobile network also has a number of its own phone lines with special designs such as waterproof.

Website: https://www.au.com/english

China Unicom (Hong Kong) Limited ("The Company") was incorporated in Hong Kong in February 2000. The Company merged with China Netcom Group Corporation (Hong Kong) Limited on October 15, 2008.

The company is one of the "Fortune Global 500" companies for several consecutive years and ranks 260th in the "Fortune Global 500" for 2021. It was also voted "Honored Telecommunications Company" 1 in Asia" in 2021 for the sixth year in a row by Institutional Investors.

The company is committed to becoming a smart lifestyle creator trusted by customers, connecting the world of innovation and sharing a good smart lifestyle, constantly improving the quality of products and services to meet the needs of customers. Future products and services will be developed intelligently. Internet of Things, cloud computing, Big Data and other technologies will be used to handle data and information intelligently. The Company's telecommunications network covers China and connects to the world. It operates a wide range of services, including mobile broadband, fixed broadband, mobile voice, fixed voice, ICT, data communications and other related value-added services. By the end of 2020, the Company has about 306 million mobile payment subscribers, of which 4G and 5G subscribers are about 270 million, fixed broadband about 86 million and local fixed about 47 million.

Website: https://www.chinaunicom.com.hk/en/global/home.php

Headquarter: 75th Floor, The Center, 99 Queen's Road Central, Hong Kong

Viettel Telecommunications Corporation (Viettel Telecom) is a unit of Viettel Military Industry and Telecommunications Group. Established on October 15, 2000 with the main business types: Providing telecommunications and internet products and services; Value-added services on the internet, mobile phones; Messaging, data, entertainment information services on mobile phone networks, ...

Currently, Viettel Telecom is the enterprise with the largest customer base in Vietnam with more than 70 million customers.

With the mission, each customer is a person - a separate individual, needs to be respected, cared for and listened to, understood and served separately. Continuous innovation, together with customers to create more and more perfect products and services.

Core values: Viettel's commitment to customers, partners, investors, society and themselves. These values are the guideline for all activities of Viettel to become an innovative business for people.

In the future, Viettel Telecom wishes to become a leading enterprise in creating a digital society in Vietnam, reaching 100 trillion VND in service revenue by 2025.

• Transforming Viettel Telecom into a digital telecommunications enterprise with the number 1 customer service and customer experience in Vietnam

• Pioneering in 5G technology, IoT and infrastructures to meet development opportunities in the Industrial Revolution 4.0

• Completing the ecosystem of digital products and services, bringing the proportion of digital service revenue equivalent to that of network operators in the region and the world.

Website: https://vietteltelecom.vn/

Headquarter: No. 1 Giang Van Minh, Kim Ma Ward, Ba Dinh District, HaNoi, Vietnam

SKMS (SK Management System) refers to SK's unique management methodology and philosophy, established in 1979 through an agreement involving all SK team members. It requires a systematic arrangement of corporate culture, management philosophy and unique management techniques.

SK Telecom creates value for customers, employees and partners, and takes new strides towards socioeconomic progress and the common well-being of everyone. Based on AI and digital transformation, SK Telecom will lead ICT innovations and provide solutions to social challenges through such innovations.

SK Telecom and its affiliates operate diverse ICT businesses from telecommunications business to new ICT businesses including media, security, IoT and mobile. Equipped with world-leading technology capabilities in 5G, AI, big data analytics, IoT and quantum cryptographic communications, SK Telecom is strengthening its position as the ICT leader

Website: https://www.sktelecom.com/index_en.html

Headquarter: SK T-Tower, 65, Eulji-ro, Jung-gu, Seoul, 04539, Korea

PT Telkom Indonesia (Persero) Tbk (Telkom) is a State-owned Enterprise (BUMN) primarily providing information and communication technology (ICT) and telecommunications network services in Indonesia. Telkom's major shareholder is the Government of the Republic of Indonesia with 52.09%, while the remaining 47.91% is controlled by the public.

In an effort to transform into a digital telecommunications company, Telkom Group implements a customer-oriented business strategy and corporate operations. This transformation will make the Telkom Group organization more lean (Lean) and flexible (agile) in adapting to changes in the telecommunications industry that are happening very quickly. The new organization is also expected to increase efficiency and effectiveness in creating quality customer experiences.

Telkom Group's business grows and changes with the development of technology, information and digitization, but remains within the corridors of the telecommunications and information industries. This can be seen from the lines of business that continue to evolve to complement the existing legacies

Website: https://www.telkom.co.id/sites

Headquarter: Telkom Landmark Tower, 39-nd floor Jl. Jendral Gatot Subroto Kav. 52 RT.6/RW.1, Kuningan Barat, Mampang Prapatan Jakarta Selatan, DKI Jakarta, 12710 Indonesia

Airtel has had great growth in 24 years. The development of Airtel is a testament to the smarts of taking risks. Airtel is the first carrier to bring 4G to India.

From being a telecom company with pricing plans to being a key part of industry disruption, from being a service provider to being at the center of an ecosystem of digital services , Airtel has been working to overhaul the digital space and push it forward.

They were fortunate to understand very early on that the future of the digital and telecommunications space would depend on each other. And this fueled the internal revolution with:

• Airtel money in 2012

• Wynk in 2014

• Launching national 4G in 2015

• Airtel & TV Airtel Payment Bank 2016

• Testing IoT & 5G in 2018

Website: https://careers.airtel.com/index.html

Headquarter: Bharti Crescent, 1, Nelson Mandela Road, New Delhi, India