CERTIFICATE

Certificate Number: 141099.01 With One Page Addendum

The Environmental Management System and implementation of:

Western Digital Technologies, Inc. With central functions at: 5601 Great Oaks Parkway San Jose, CA 95119-1003 United States

meets the requirements of the standard: ISO 14001:2015

Scope: Manufacturing of Storage Solutions and Components

Certificate Expires: April 17, 2024 Certificate Reissued: April 25, 2021 Certificate Issued: April 18, 2021 Certified Since: June 25,1995

Dr. Cem O. Onus Managing Director

DEKRA Certification, Inc. 1120 Welsh Road, Suite 210

North Wales, PA 19454 USA (215) 997-4519 www.dekra.us/en/audits

CERTIFICATE ADDENDUM Certificate Number: 141099.01 Addendum Page: 1 of 1 Certificate Expires: April 17, 2024 Certificate Reissued: April 25, 2021 The Environmental Management System and implementation of: Western Digital Technologies, Inc. meets the requirements of the standard:

ISO 14001:2015 Site Address Scope per Site: Western Digital Technologies, Inc. (Central Function) Central management of the EMS 5601 Great Oaks Parkway, San Jose, CA 95119-1003, United States HGST, Inc. Manufacturing of Storage Solutions Wafer Fab Manufacturing and Components 5601 Great Oaks Parkway, San Jose, CA 95119-1003 United States HGST Sdn. Bhd. Manufacturing of Storage Solutions Sama Jaya Free Industrial Zone, Muara Tabuan, Kuching, and Components Sarawak, Malaysia 93450 Western Digital Storage Technologies (Philippines) Corp. Manufacturing of Storage Solutions 109 Technology Avenue, Special Export Processing Zone, and Components Laguna Technopark, Binan City, Laguna, Philippines 4024 HGST (Shenzhen) Co., Ltd. Manufacturing of Storage Solutions #7 Lanhua Road, Futian Free Trade Zone, and Components Shenzhen, P.R. China 518038 Manufacturing of Storage Solutions HGST Japan, Ltd. and Components 1 Kirihara, Fujisawa, Kanagawa, 252-8588 Japan

WD Media ( Malaysia) Sdn. Manufacturing of Storage Solutions PN1 Phase 3 Free Industrial Park 11900 and Components PN2 Plot 72, Bayan Lepas Industrial Park Phase 4, 11900 Penang WD Media (Malaysia) Sdn. Manufacturing of Storage Solutions PLO 526, Jalan Keluli 3, Pasir Gudang Industrial Estate, and Components 81700 Pasir Gudang, Johor, Malaysia Western Digital Technologies, Inc. Manufacturing of Storage Solutions 44200 Osgood Rd, Fremont, CA 94539 United States and Components Western Digital Storage Technologies (Thailand) Ltd Manufacturing of Storage Solutions 203, 205 Moo 7, Tambon Tha Tum Amphur Srimahaphote, Prachinburi, 25140 and Components Thailand Western Digital Storage Technologies (Thailand) Ltd. 140 and 140/1 Moo 2, Bang Pa-In Industrial Estate, Klongjig, BangPa-in, Ayutthaya 13160, Thailand Manufacturing of Storage Solutions 191 and 139/4 Moo 2, BangPa-In Industrial Estate, Klongjig, BangPa-in Ayutthaya and Components 13160, Thailand 60/90/2 Navanakorn Industrial Estate, Zone 3, Phaholyothin Road, Moo 19, Klongnueng, Klongluang, Pathumthani 12120, Thailand SanDisk Semiconductor (Shanghai) Co., Ltd. Manufacturing of Storage Solutions 388 Jiang Chuan East Road, Minhang District, and Components Shanghai 200241, China SanDisk Storage Malaysia Sdn. Bhd. Plot 301A, Persiaran Cassia Selatan 1, Taman Perindustrian , MK.13, Manufacturing of Storage Solutions Batu Kawan, Seberang Selatan, and Components 14100 Pulau Pinang, Malaysia

Dr. Cem O. Onus Managing Director, Business Assurance DEKRA Certification, Inc. 1120 Welsh Road, Suite 210 North Wales, PA 19454 USA (215) 997-4519 dekra-certification.us