Accredited Body: DQS Inc., 1500 McConnor Parkway, Suite 400, Schaumburg, IL 60173 USA 1 / 3

CERTIFICATE

This is to certify that

II-VI Inc

1389 Moffett Park Drive Sunnyvale, CA 94089 United States of America with the organizational units/sites as listed in the annex

has implemented and maintains a Quality Management System.

Scope: The design, manufacture, sale and service of optoelectronic communication components, subsystems and systems for high speed data, telephony and video transmission applications.

Through an audit, documented in a report, it was verified that the management system fulfills the requirements of the following standard:

ISO 9001 : 2015

Certificate registration no.

Date of original certification

Date of revision

Date of certification

Valid until

10014144 QM15

2016-01-13

2020-03-02

2018-04-02

2021-04-01

DQS Inc.

Brad McGuire Managing Director

Annex to certificate Registration No. 10014144 QM15 II-VI Inc

1389 Moffett Park Drive Sunnyvale, CA 94089 United States of America

This annex (edition: 2020-03-02) is only valid in connection with the above-mentioned certificate. 2 / 3

Location

Scope

10014144 II-VI Inc 1389 Moffett Park Drive Sunnyvale, CA 94089 United States of America

Design, development, and small-volume pilot production of transceivers, ASIC design marketing, employee services, IT, PCB design, and manufacturing test development.

10014146 II-VI Inc Bruttovägen 7 SE-175 43 Järfälla Sweden

Design and manufacture of InP tunable lasers and modulators (chip-on-carrier format).

10014147 II-VI Inc Plot 1 Kinta Free Industrial Zone Off Jalan Tunku Abdul Rahman Chemor, Perak 31200 Malaysia

Manufacture of Opto-electronics components, Sub-Assemblies, Transceivers and Tunable XFP.

10014148 II-VI Inc 66 Huiqing Road East Zhanjiang Hi-Tech Park Shanghai 201201 China

Design and development of optical transceivers, active cables and optical sub-assemblies (OSAs), small volume production of OSAs.

10014149 II-VI Inc Lot Z3-1, Wuxi New District Free Trade Zone Wuxi, Jiangsu 214028 China

Development (NPI) and Manufacture of Optoelectronic Communication Components/Modules/Subsystem for High Speed Data, Telephony and Video Transmission Applications.

10014150 II-VI Inc Reuchlinstraße 10 – 11 Berlin 10553 Germany

Design, development, and low volume manufacturing of receivers and modulators.

10014161 II-VI Inc 41664 Christy Street Fremont, CA 94538 United States of America

Warehouse, shipping/receiving.

10014162 II-VI Inc 41762 Christy Street Fremont, CA 94538 United States of America

Design and manufacture of GaAs longwave lasers.

Annex to certificate Registration No. 10014144 QM15 II-VI Inc

1389 Moffett Park Drive Sunnyvale, CA 94089 United States of America

This annex (edition: 2020-03-02) is only valid in connection with the above-mentioned certificate. 3 / 3

Location Scope

10014370 II-VI Inc 48800 Milmont Drive Fremont, CA 94538 United States of America

Design and manufacture of optical subassemblies.

10014371 II-VI Inc 41752 Christy Street Fremont, CA 94538 United States of America

Design and manufacture of GaAs longwave lasers.

10017497 II-VI Inc 6800 South US Highway 75 South Sherman, TX 75090 United States of America

Design and manufacture of GaAs shortwave laser and optical subassemblies.

Remote Location Scope

10014152 II-VI Inc 767 Electronic Drive Horsham, PA 19044 United States of America

The remote location at Horsham, PA performs the following primary functions: Design and development of linecards and coherent products.

10014155 Finisar Corporation 19/21 Rosebery Avenue Rosebery NSW, 2018 Australia

The remote location at Roseberry, Australia performs the following primary functions: Design and development of ROADMs and waveshapers.

10014156 II-VI Inc 3, 4/F, Building D, T4, Tian’an Cyber Park, Huang Ge Road, Center City Longgang District, Shenzhen,Guangdong China

The remote location at Shenzhen, China performs the following primary functions: Purchasing, supplier development (selection, qualification, scorecards), commodity management.