OPEN LETTER FROM HOYA TO VALUED PENTAX CUSTOMERS AND PARTNERS

July 1, 2011
Dear Valued PENTAX Customers and Partners,
We would like to hereby inform you that we, HOYA Corporation, have made an agreement regarding the business transfer of our PENTAX Imaging System Business to RICOH Corporation today, July 1, 2011.
The effective date of the business transfer is set for October 1, 2011. The business areas to be transferred as PENTAX Imaging System Business are digital cameras, interchangeable lenses, digital camera accessories, binoculars and security-related products, including R&D, design, manufacturing and sales for those product categories.
PENTAX Imaging system business will be succeeded by a newly established company scheduled on October 1, 2011, and then RICOH Corporation will acquire 100% of its stock right after the establishment.
No operational changes of PENTAX Imaging System Business are anticipated for the time being by making this agreement. All employees will be transferred to the new company accordingly. Also, all current products will continue to be sold with the PENTAX brand name under current operations.
PENTAX, under the guidance of RICOH, will continue with our best effort to grow and evolve our business and partnerships and deliver quality products and services designed for a high level of customer satisfaction.
Again, we appreciate your continued support of PENTAX.
Thank you very much.
Best regards,
Toshiaki Iue,
President
PENTAX Imaging Systems Division

Notice of Sale of the PENTAX Imaging Systems Business

HOYA Corporation (“HOYA”) and Ricoh Company, Ltd. (“Ricoh”) hereby announce that pursuant
to decisions by the President and CEO of HOYA and Representative Director of Ricoh, respectively,
HOYA and Ricoh have executed an agreement as of today to transfer HOYA’s PENTAX Imaging
Systems Business (the business of developing, manufacturing and selling optical instruments such as
digital cameras and replacement lenses, digital camera accessories, security camera-related products,
and binoculars) (the “PENTAX Imaging Systems Business”) to Ricoh. HOYA will effectuate this
transfer by incorporating a new corporation (“NewCo”), cause NewCo to succeed the PENTAX
Imaging Systems Business by way of a corporate split (kyushu bunkatsu) (the “Corporate Split”),
and transfer all shares of NewCo to Ricoh (such split and transfer shall be referred to as the
“Split/Transfer”) as of October 1, 2011 (Estimated).

Prior to the Split/Transfer, HOYA intends to transfer its interests in PENTAX VN CO., Ltd., an
overseas subsidiary of HOYA in relation to the PENTAX Imaging Systems Business, to NewCo.
Please note, that since the Corporate Split is a simplified corporate split (kan-i kyushu bunkatsu),
disclosure items/content have been partially abbreviated.
Further, HOYA will continue to develop its businesses assigned from PENTAX Corporation which
was merged (kyushu gappei) into HOYA on March 31, 2008 other than the PENTAX Imaging
Systems Business, such as its businesses regarding digital camera modules, DVD pickup lenses,
endoscopes, artificial bones, and voice synthesis.