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Towngas ranks first among peers in the Hang Seng Corporate Sustainability Index, receiving rating upgrades with Towngas Smart Energy

(30 September 2025) The Hong Kong and China Gas Company Limited (“Towngas”; Stock Code: 0003.HK) and Towngas Smart Energy Company Limited (“Towngas Smart Energy”; Stock Code: 1083.HK) are pleased to announce significant upgrades in their ESG ratings under the Hang Seng Corporate Sustainability Index (HSSUS). Towngas’s rating has advanced from AA+ to the top-tier AAA, achieving the best overall score among Hong Kong utilities industry constituents and demonstrating its industry leadership position. Towngas Smart Energy also delivered a solid performance, with its rating upgraded from AA to AA+, reflecting both companies’ contributions to energy transition, climate strategy, and sustainable development.

The Hang Seng Corporate Sustainability Index evaluates companies based on three core aspects: Environmental, Social, and Governance. In this year’s assessment, both companies showed significant improvements in their environmental scores, affirming the Group’s effective and impactful measures in environmental protection, climate strategy and related areas. Towngas has been a constituent of the Hang Seng Corporate Sustainability Index Series since 2011, making it one of the longest-standing members.

In recent years, the Group has been actively developing green energy businesses, including green methanol, hydrogen, and sustainable aviation fuel (SAF) for sea, land, and air transport, accelerating the city’s transition to green transport. Towngas has also collaborated with various stakeholders to launch initiatives such as a sustainability-linked supplier payment solution, promoting decarbonisation across the supply chain and supporting a low-carbon transformation.

Mr. Bien Wong, Assistant General Manager – Group ESG at Towngas, expressed his delight at the dual rating upgrades, “ESG ratings serve as a critical reference for investors, enabling a comprehensive assessment of a company’s risk management capabilities and resilience beyond financial performance. This significant rating upgrade not only reflects our tangible achievements in driving the green energy transition and climate strategy but also recognises our longstanding performance in sustainable development.”

Moving forward, Towngas will continue to strengthen its strategic position in renewable energy and low-carbon technologies, actively supporting the national “30-60” dual carbon goals and contributing to building a sustainable future.

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Press photos: Photo 1:  Towngas and Towngas Smart Energy have both achieved ESG rating upgrades under the Hang Seng Corporate Sustainability Index. Photo 2:
 
Towngas’s rating has advanced from AA+ to the top-tier AAA, achieving the best overall score among Hong Kong utilities industry constituents. Photo 3: 
 
Towngas has been a constituent of the Hang Seng Corporate Sustainability Index Series since 2011, making it one of the longest-standing members.

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