Source: Document disclosed on January 25th, 2017 in accordance with the Tokyo Stock Exchange regulations

January 25th, 2017
NIKKISO CO., LTD.

Notice regarding Execution of the Joint Venture Agreement
on UV-LED business(Establishment of Joint Venture Company)
Nikkiso Co., Ltd. (“NIKKISO”) hereby announces the execution of Joint Venture Agreement (“JVA”) onJanuary 25th that NIKKISO, Nikkiso Giken Co., Ltd. (“GIKEN”) (collectively “NKS”), the wholly owned
subsidiary of NIKKISO, and Taiwan based Formosa Plastic Group (“FPG”) continued investigation anddiscussion of the strategic business alliance in UV-LED business and establish joint venture company (“JVC”)
as a core of the alliance to manufacture and sell deep UV-LED products. NKS and FPG signed the Joint
Venture Agreement (“JVA”) today.
1. Outline of the JVC(1) Company Name
(2) Address of Headquarters(3) Title and Name ofRepresentative(4) Business Description

Nikkiso Formosa Co., Ltd. (Scheduled)Touliu, Yunlin County, Taiwan, R.O.C. (Scheduled)
To be determined by the conclusion of Definitive Agreement(5) Capital

Taiwan dollars equivalent to 4 billion yen(at incorporation / finally, Taiwan dollars equivalent to 8 billion yen)
July, 2017 (Scheduled)
Taiwan dollars equivalent to 4 billion yen
Taiwan dollars equivalent to 4 billion yen
December 31
Nikkiso Co., Ltd.
51%
Formosa Plastic Group
49%
Capital relationshipTo hold 51% interests of JVC (Scheduled)
Personal relationshipTo dispatch three board member from
Nikkiso Co., Ltd. to JVC (Scheduled)
Business relationshipSale of i) deep UV-LED components
manufactured by Nikkiso Co., Ltd. and ii)
instrument and equipment which UV-LEDcomponent is used for, from Nikkiso Co.,
Ltd. to JVC (Scheduled)(6) Date Established(7) Net assets(8) Total assets(9) Fiscal year-end(10) Shareholders and Percentageof Shares Held(11) Relationship with Nikkiso

Manufacturing and sale of deep UV-LED components, instrument
and equipment which UV-LED component is used for

2. Objectives of the strategic business allianceDeep UV-LED is expected to be used for a variety of applications as a light source for water disinfection,
air disinfection and deodorization, resin/ink curing, analytical and measurement instrument. Expansion inthe deep UV-LED market is anticipated by capturing unmet needs of UV mercury lamp as well as
substitution for the existing demands for UV mercury lamp.
Until now, NKS succeeded in development and mass production of the world’s highest performance of deep
UV-LEDs. NKS has also carried out application development of deep UV-LEDs, water disinfection moduleetc. JVC allows for more rapid expansion in the deep UV-LED market and provide the high performanceand low price deep UV-LED by combining NKS’s strengths of technology and FPG’s manufacturing knowhow in low cost production, based on FPG’s experience in manufacturing of visible light LED components.

Furthermore, JVC will secure a firm footing in the field of deep UV-LED products by providing modules
and systems close to existing businesses of both companies.
3. Schedule(1) Date of resolution of the boardof directors(2) Date of conclusion of MOU(3) Date of conclusion of JVA(4) Date of start of business

December 18th, 2015
February 22nd, 2016
January 25th, 2017
July, 2017 (Scheduled)

4. Future outlook
Effect on the consolidated financial results of current fiscal year will be included in outlook of theconsolidated financial results of current fiscal year, we will disclose it on February 14th, 2017.

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