Expansion of Disclosure and External Evaluation

HOYA continuously works to enhance the reliability of sustainability-related information and to strengthen a transparent disclosure framework. By appropriately communicating our ESG (Environmental, Social, and Governance) initiatives and achievements, we aim to foster dialogue with a wide range of internal and external stakeholders, thereby deepening mutual understanding and trust. Going forward, we will continue to enhance the quality and accuracy of our disclosures while aligning with global reporting standards and evolving societal expectations, striving to establish a highly transparent reporting structure.

Status of Adoption by GPIF ESG Indexes

HOYA has been selected as a constituent of two general ESG indexes and three thematic ESG indexes for Japanese equities adopted by the Government Pension Investment Fund (GPIF) of Japan.

  • FTSE Blossom Japan Sector Relative Index (General index)

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  • 2025 CONSTITUENT MSCI JAPAN ESG SELECT LEADERS INDEX (General index)

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  • 2025 CONSTITUENT MSCI JAPAN EMPOWERING WOMEN INDEX (WIN) (Thematic index: social initiatives)

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  • Morningstar Japan ex-REIT Gender Diversity Tilt Index (Thematic index: social initiatives)
    HOYA is rated Group 1, the highest of the five levels.

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  • S&P/JPX Carbon Efficient Index (Thematic index: environmental protection)

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Main ESG Rating Status

  • CDP Climate Change: B Score

  • CDP Water Security (Up 2 notches from C score in previous fiscal year)

  • MSCI ESG rating: AAA (highest of seven ratings, achieved for two consecutive years)

  • Sustainalytics ESG risk rating: Low Risk

Other External Evaluations

  • Selected by GPIF’s external asset managers for “most-improved integrated reports” and “excellent TCFD disclosure”

  • Certified by the Ministry of Economy, Trade and Industry (METI) as an outstanding health and productivity management organization for nine consecutive years

  • R&I rating: AA

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As of June 30, 2025

*1 FTSE Russell (registered trademark of FTSE International Limited and Frank Russell Company) hereby certifies that HOYA has qualified for inclusion in the FTSE Blossom Japan Sector Relative Index as a result of independent research. The FTSE Blossom Japan Sector Relative Index is widely used to create and evaluate sustainable investment funds and other financial products.

*2 The inclusion of HOYA in any MSCI Index, and the use of MSCI logos, trademarks, service marks or index names herein, do not constitute a sponsorship, endorsement or promotion of HOYA by MSCI or any of its affiliates. The MSCI Indexes are the exclusive property of MSCI. MSCI and the MSCI Index names and logos are trademarks or service marks of MSCI or its affiliates.

*3 Morningstar, Inc., and/or one of its affiliated companies (individually and collectively, “Morningstar”) has authorized HOYA CORPORATION to use the Morningstar Japan ex-REIT Gender Diversity Tilt Logo (“Logo”) to reflect the fact that, for the designated ranking year, HOYA CORPORATION ranks in the top quintile of companies comprising the Morningstar® Japan ex-REIT Gender Diversity Tilt IndexSM (“Index”) on the issue of gender diversity in the workplace. Morningstar is making the Logo available for use by HOYA CORPORATION solely for informational purposes. HOYA CORPORATION use of the Logo should not be construed as an endorsement by Morningstar of HOYA CORPORATION or as a recommendation, offer or solicitation to purchase, sell or underwrite any security associated with HOYA CORPORATION. The Index is designed to reflect gender diversity in the workplace in Japan, but Morningstar does not guarantee the accuracy, completeness or timeliness of the Index or any data included in it. Morningstar makes no express or implied warranties regarding the Index or the Logo, and expressly disclaim all warranties of merchantability or fitness for a particular purpose or use with respect to the Index, any data included in it or the Logo. Without limiting any of the foregoing, in no event shall Morningstar or any of its third party content providers have any liability for any damages (whether direct or indirect), arising from any party’s use or reliance on the Index or the Logo, even if Morningstar is notified of the possibility of such damages. The Morningstar name, Index name and the Logo are the trademarks or services marks of Morningstar, Inc. Past performance is no guarantee of future results.