CERTIFICATE Certificate Number: 181099.001 The Occupational Health and Safety Management System and implementation of:

Western Digital Technologies, Inc. 5601 Great Oaks Parkway San Jose, CA 95119-1003 United States meets the requirements of the standard:

OHSAS 18001:2007

Scope: Manufacturing of Storage Solutions and Components

Certificate Expires: April 17, 2021 Certificate Issued: May 17, 2018 Certified Since: June 25,1995

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

ADDENDUM Certificate Number: 181099.001 Page: 1 of 1 Standard: OHSAS 18001:2007 Re-Issued: The Occupational Health and Safety Management System and implementation of:

Western Digital Technologies, Inc. Site Address Scope per Site:

Western Digital Technologies, Inc. (Headquarters)

5601 Great Oaks Parkway, San Jose, CA 95119-1003, United States Manufacturing of Storage Solutions and Components

HGST, Inc.

Wafer Fab Manufacturing 5601 Great Oaks Parkway San Jose, CA 95119-1003

Manufacturing of Storage Solutions and Components

HGST (Shenzhen) Co., Ltd. (Manufacturing)

#7 Lanhua Road, Futian Free Trade Zone, Shenzhen, P.R. China 518038 Manufacturing of Storage Solutions and Components

HGST Thailand Ltd. (Manufacturing)

203, 205 Moo 7, Tambon Tha Tum Amphur Srimahaphote, Prachinburi, 25140 Thailand

Manufacturing of Storage Solutions and Components

HGST Philippines Corporation (Manufacturing)

109 Technology Avenue, Special Export Processing Zone, Laguna Technopark, Binan City, Laguna, Philippines 4024

Manufacturing of Storage Solutions and Components

HGST Malaysia Sdn. Bhd. (Manufacturing)

Sama Jaya Free Industrial Zone, Muara Tabuan, Kuching, Sarawak, Malaysia 93450

Manufacturing of Storage Solutions and Components

WD Media (Malaysia) Sdn. (Manufacturing)

PLO 526, Jalan Keluli 3, Pasir Gudang Industrial Estate, 81700 Pasir Gudang, Johor, Malaysia

Manufacturing of Storage Solutions and Components

Western Digital (Malaysia) Sdn. Bhd. (Manufacturing)

Lot No 1, Jalan SS 8/4, Sungei Way Free Industrial Zone, 47300 Petaling Jaya, Malaysia

Lot No 2, Jalan SS 8/4, Sungei Way Free Industrial Zone, 47300 Petaling Jaya, Malaysia

Lot No 3, Jalan SS 8/6, Sungei Way Free Industrial Zone, 47300 Petaling Jaya, Malaysia

Manufacturing of Storage Solutions and Components

Western Digital (Thailand) Co., Ltd. (Manufacturing)

140 and 140/1 Moo 2, Bang Pa-In Industrial Estate, Klongjig, BangPa-in, Ayutthaya 13160, Thailand

191 and 139/4 Moo 2, BangPa-In Industrial Estate, Klongjig, BangPa-in Ayutthaya 13160, Thailand

60/90/2 Navanakorn Industrial Estate, Zone 3, Phaholyothin Road, Moo 19, Klongnueng, Klongluang, Pathumthani 12120, Thailand

Manufacturing of Storage Solutions and Components

WD Media ( Malaysia) Sdn (Manufacturing)

PN1 Phase 3 Free Industrial Park 11900 Bayan Lepas Penang

PN2 Plot 72, Bayan Lepas Industrial Park Phase 4, 11900 Penang

Manufacturing of Storage Solutions and Components

SanDisk Semiconductor (Shanghai) Co., Ltd.

388 Jiang Chuan East Road, Minhang District, Shanghai 200241, China

Manufacturing of Storage Solutions and Components

SanDisk Storage Malaysia Sdn. Bhd.

Plot 301A, Persiaran Cassia Selatan 1, Taman Perindustrian Batu Kawan, MK.13, Batu Kawan, Seberang Perai Selatan, 14100 Pulau Pinang, Malaysia

Manufacturing of Storage Solutions and Components

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