HOYA Corporation acquires the remaining
stake of WASSENBURG Medical B.V.
Tokyo, Japan – 22nd November 2023

HOYA Corporation (HOYA) today acquired the remaining 49% of the shares ofWASSENBURG Medical B.V (WASSENBURG), becoming the sole shareholder of the Dutchbased medical reprocessing company. WASSENBURG Medical is a global manufacturer of acomplete range of systems, consumables and services covering all aspects of theendoscope reprocessing cycle. Completing this transaction will provide for further
innovation in reprocessing of endoscopes solutions by combining the engineering power ofWASSENBURG Medical and the flexible endoscopy division PENTAX Medical.
“The strategic alliance formed between HOYA and WASSENBURG has provided for a strong
platform of growth since 2013. WASSENBURG has more than doubled its turnover andopened additional direct affiliates in Europe and most recently in the United States,
providing a platform for strong further growth. We are also delighted that Arno and Ronald
Wassenburg, the Presidents of WASSENBURG, have agreed to continue leading
WASSENBURG Medical in close cooperation with the PENTAX Medical team and other HOYA
MedTech & Life Science divisions.” said Eiichiro IKEDA CEO of HOYA Corporation.
“Being a member of HOYA has driven us to accelerate innovation and expansion into newmarkets across the globe.” said Arno Wassenburg and Ronald Wassenburg commented“Having continued access to all the MedTech & Life Science divisions and related technology,
while enjoying cooperation among these divisions, will provide for the foundation ofdesigning the next platform in flexible endoscopy reprocessing solutions.”“We are excited about the acquisition, allowing us to work even closer with our partners inthe WASSENBURG team.” said Rainer Burkard, President of PENTAX Medical. “Combininginnovations like the recently launched AquaTYPHOON™, a device providing for automatedbrushless endoscope channels pre-cleaning, with the smart, safe and high-end-quality
washer-disinfectors of WASSENBURG will provide for unmatched reprocessing solutions inendoscopy.”

About WASSENBURG Medical
Wassenburg Medical B.V., originally a family company, was established in 1984 by Gerrit Wassenburgand has developed into a highly regarded specialist in all aspects of automated endoscope
reprocessing.
The Vision of Wassenburg Medical is to provide for every patient a safe endoscope, while the ultimate
goal is infection-free patient treatment and a safe, user friendly, efficient, and innovative endoscope
reprocessing process at every hospital or clinic.
At Wassenburg, we are passionate about designing and delivering safe and innovative products andservices. We want to raise the bar and the standards within the international endoscope reprocessing
industry. For more information: http://www.wassenburgmedical.com

About PENTAX MedicalPENTAX Medical is a division of HOYA Group. The company’s mission is to improve the standard ofpatient care and quality of healthcare delivery by providing the best endoscopic products and services
with a focus on QUALITY, CLINICALLY RELEVANT INNOVATION, and SIMPLICITY.
PENTAX Medical strives to align with the healthcare community’s Triple Aim goals through transparent
partnerships with its customers and by providing the highest quality solutions to help them reach theirgoals, including enabling customers to improve patient outcomes by offering evidence-based solutions
across the continuum of care; ensuring value by supporting the customers to improve their efficiency
and minimize their healthcare costs; and enriching patient and provider’s experience by empowering
every member of the care team to achieve optimal outcomes through products, education, andsupport.
Focused on the outcome instead of technological features, PENTAX Medical listens to the healthcarecommunity and their patients, understands their daily obstacles and helps improve endoscopy withsmart innovations. For more information: http://www.pentaxmedical.com

About HOYA
Founded in 1941 in Tokyo, Japan, HOYA Corporation is a global technology and med-tech company
and a leading supplier of innovative high-tech and medical products. HOYA is active in the fields oflifecare and information technology, providing eyeglasses, medical endoscopes, intraocular lenses,
optical lenses, as well as key components for semiconductor devices, LCD panels, and hard disk
drives. With over 150 offices and subsidiaries worldwide, HOYA currently employs a multinational
workforce of 36,000 people. For more information, please visit: http://www.hoya.com.