July 12th ,2022
NTT Corporation
NTT Ltd Japan Corporation
PC Landing Corp.
Mitsui & Co., Ltd
JA Mitsui Leasing, Ltd.

New company builds and operates a trans-Pacific submarine cable system between the US andJapanNTT Ltd Japan Corporation (“NTT-LJ”), PC Landing Corp. (“PCLC”, NTT-LJ and PCLC are referred
to as “NTT Group”), Mitsui & Co., Ltd. ("Mitsui"), and JA Mitsui Leasing, Ltd.

(“JAML”) today

announced the launch of the new company, Seren Juno Network Co., Ltd. (“Seren”) for constructing
and operating “JUNO”, the new trans-Pacific submarine cable system that links the US and Japan.

The role of international submarine cable systems is becoming more crucial year by year as thefundamental infrastructure to support the rapid expansion of the digital ecosystem. JUNO serves theever-growing digital economy in the Asia-Pacific region by landing in Japan which is a “Data Hub”
located in the mid-point of the US and Asian countries.

Seren manages the entire project from the planning, construction to sales and operations of thenetwork to provide the reliable services for the global business activities of major technology
companies, OTTs and telecommunication carriers.

JUNO introduces the leading-edge SDM (Space Division Multiplexing) technology to enable the 20
optical fiber pairs (40 cores) per cable, whereas the cable with the conventional technology currently
carries a maximum of 16 fiber pairs (32 cores). Juno provides the maximum capacity of 350Tbps, thelargest among any existing cable system between the US and Japan.

Furthermore, JUNO has two separate landing stations in Japan to provide additional security andresilience against a natural disaster in the coastal areas of Japan. JUNO can alter the bandwidth ofeach branching route to adjust to the situation and flexibly meet each customer’s demand andevolving requirements.

JUNO Summary
Cable name

JUNO

Total Bandwidth

Approximate 350Tbps (Preliminary design)

Total DistanceApproximate 10,000km

Planned Landing site

Japan (Chiba prefecture, Mie prefecture), US (CA)Planned Ready for Service End of 2024

■Figure 1. JUNO Cable route

Seren Juno Network Co., Ltd.
Head Office2-3-1, Otemachi Chiyoda-ku, Tokyo Japan

Representative

Yoshio Sato, CEO

Major Business Areas

Design, Construction, Sales and Operations of the trans-Pacificsubmarine cable system, “JUNO”.

Shareholders Information
NTT Ltd Japan Corporation
Establishment2001

Head Office2-3-1, Otemachi Chiyoda-ku, Tokyo Japan

Representative

Takanobu Maeda, President and Chief Executive OfficerMajor Business Areas

Global ICT Services and Solutions. NTT has been at the center ofglobal internet infrastructure development and operations for many
years with an instrumental role in several subsea cable projects,
including JUPITER, MIST, ASE, APG, PC-1, APRICOT and now
JUNO. The new company, Seren Juno Network Co., Ltd., will begin
work on JUNO in July, 2022. JUNO is expected to begin operating atthe end of 2024.

URL

https://services.global.ntt/PC Landing Corp.
Head Office

319 Diablo Road, Suite 213, Danville, CA 94526 USA

Representative

Takahiro Sumimoto, Chief Executive Officer

Major Business Areas

Sales, operation of trans-Pacific cable “PC-1” and its landing stations
located in Japan, United States

URL

https://pc1.com/

Mitsui & Co., Ltd
Establishment

1947

Head Office2-1, Otemachi 1-chome, Chiyoda-ku, Tokyo 100-8631, Japan

Representative

Kenichi Hori, President and Chief Executive Officer

Major Business Areas

Utilizing our global operating locations, network and information
resources, we are multilaterally pursuing business that ranges fromproduct sales, worldwide logistics and financing, through to thedevelopment of major international infrastructure and other projects inthe following fields: Mineral & Metal Resources, Energy, Infrastructure
Projects, Mobility, Chemicals, Iron & Steel Products, Food, Food &Retail Management, Wellness, IT & Communication Business,
Corporate Development Business.

URL

https://www.mitsui.com/jp/ja/index.html

JA Mitsui Leasing, Ltd.
Establishment

2008

Head Office

Ginza Mitsui Building, 8-13-1 Ginza, Chuo-ku, Tokyo 104-0061, Japan

Representative

Keito Shimbu, President and Chief Executive Officer

Major Business AreasAs a general leasing company combining the core businessfoundation of the JA Group and Mitsui Group, with a production,
distribution, and sales network, a financial network, and a global
business network for agriculture, forestry and fisheries, we areproviding solutions that focus on products, business, and finance,
leveraging our expertise based on our extensive knowledge andexperience in a range of industries and products. We have a trackrecord of investment and financing to information and communication
infrastructures, such as cell towers, optical communication network,
cloud datacenters etc.

URL

https://www.jamitsuilease.co.jp/en/

Contact information:
PR & IR Department, JA Mitsui Leasing, Ltd. (Tokyo)
E-mail JAMLDG1114@jamitsuilease.co.jp