Rohm and Haas Electronic Materials Earns Green Building Award from the Minister of Interior, Taiwan

April 17, 2007

The State-of-the-Art CMP Manufacturing and Technical Center is the First Facility to Win Green Building Award in Taiwan’s Semiconductor Industry HSINCHU, Taiwan--(BUSINESS WIRE)--Rohm and Haas Electronic Materials, CMP Technologies, a leader and innovator in chemical mechanical planarization (CMP) technology for the global semiconductor industry, announced that the company has received two awards from the Taiwan government: the Green Building Award from the Interior Ministry and the 2007 Hsinchu Science Park Landscape Award from the Science Park Administration Office. Taiwan’s Minister of the Interior recognized the Rohm and Haas Electronic Materials, CMP Technologies Asia-Pacific Manufacturing and Technical Center for its long-term commitment to the environment, as demonstrated by the design of this new facility. It incorporates outstanding features and practices which contribute to sustainability and promote a green environment. Rohm and Haas received the award on January 5, 2007 for achieving four out of nine indices assessed in Taiwan's Green Building program: 1) Daily Energy Saving; 2) CO2 Emission Reduction; 3) Water Resource; and 4) Waste Reduction. Rohm and Haas Electronic Materials is the first and only company within the semiconductor industry in Taiwan to earn the Green Building Award. “We are honored to receive this award from Taiwan's Interior Ministry,” said Mario Stanghellini, executive vice president, global sales and marketing, Rohm and Haas Electronic Materials, CMP Technologies. “This award is a testament to our company-wide focus on safety, social responsibility and environmental protection. Environmental stewardship, and programs such as Responsible Care®, are core values at Rohm and Haas, and we believe they are fundamental to meeting customer needs in the semiconductor industry.” The principles of sustainable development and product stewardship – efficient use of energy and conservation of natural resources – are integral to Rohm and Haas business culture. “Our CMP Technologies Asia project engineering teams, along with our team in Taiwan, have done a commendable job in demonstrating Rohm and Hass’ high environmental standards and attaining this important green designation,” said Cliff Chen, plant manager of CMP Technologies Asia-Pacific Manufacturing and Technical Center. “Being a responsible corporate citizen and a good community neighbor is important to us. Rohm and Haas advocates maintaining a safe workplace and managing our manufacturing operations with respect for our workforce and the environment. Moving forward, we’ll continue to invest in systems and processes at our Taiwan facility that promote the interests of our customers and the communities in which we work.” In addition to the Green Building Award, Rohm and Haas Electronic Materials also earned the 2007 Hsinchu Science Park Landscape Award from the Science Park Administration Office. The company received the award on March 17, 2007 from Lu Hsiu-Lien, vice president of the Republic of China (Taiwan) during the Science Park Landscape Award Day, an annual event for honoring the best landscape achievements within the Science Park community. About Rohm and Haas Electronic Materials Rohm and Haas Electronic Materials develops and delivers innovative material solutions and processes to the electronic and optoelectronic industries. Focused on the circuit board, semiconductor manufacturing and advanced packaging industries, its products and technologies are integral elements in electronic devices around the world. The CMP Technologies business (formerly Rodel) has been a leader and innovator in polishing technology for the global semiconductor industry since 1969. CMP Technologies’ products include polishing pads, conditioners and slurries. CMP Technologies is headquartered in Phoenix, Arizona, and maintains operations throughout the world, including manufacturing facilities in Newark, Delaware, in the Mie and Kyoto prefectures in Japan, and in Taiwan. Additional information is available at http://www.rohmhaas.com About Rohm and Haas Company Leading the way since 1909, Rohm and Haas (NYSE:ROH) is a global pioneer in the creation and development of innovative technologies and solutions for the specialty materials industry. The company’s technologies are found in a wide range of markets including: Building and Construction, Electronics, Food and Retail, Household and Personal Care, Industrial Process, Packaging, Paper, Transportation and Water. Our innovative technologies and solutions help to improve life everyday, around the world. Based in Philadelphia, PA, the company generated annual sales of approximately $8.2 billion in 2006. Visit www.rohmhaas.com for more information. Imagine the possibilities™. About the Green Building Award The Green Building Award is organized by The Minister of the Interior and the ABRI Green Building Committee, under the terms of the Organization Act of the Architecture and Building Research Institute, to provide recognition to buildings and examples within the public environment that utilize resource and energy conservation as well as waste and pollution management and control. These organizations also encourage the industry towards further adoption of sustainable planning, design, construction and maintenance of buildings. The nine indices of assessing approval for Green Building are (1) Biodiversity; (2)Greenery; (3)Soil Water Content; (4)Daily Energy Saving; (5)CO2 Emission Reduction; (6)Waste Reduction; (7)Indoor Environment; (8)Water Resource; and (9)Sewage and Garbage Improvement. Safe Harbor Statement This release includes forward-looking statements. Actual results could vary due to changes in current expectations. The forward-looking statements contained in this announcement concerning services, growth, investments, and actions that may be taken to improve environmental performance, involve risks and uncertainties and are subject to change.

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