!!! Press Release !!!

Aachen/Nantou, Taiwan, June 4, 2003 – Tekcore Co. Ltd., a manufacturer of GaN based LED wafers located in Nantou, Taiwan has recently ordered another package of two AIX 2600G3 HT reactors, both in 24x2" configuration. The order is following the successful qualification of their first 24x2" large-scale reactor system for production in December 2002. Tekcore’s product portfolio includes green, blue and ultra violet UHB-LED wafers. Acknowledging the true commitment to highest quality, in 2002 the company received ISO 9001-2000 certification.

Mr. Nithi M. Nithipalan, President of Tekcore comments: "It was very impressive to observe the fast and professional installation process and the quick transfer of the system to full production. AIXTRON’s commitment to high quality and the favorable fast delivery that AIXTRON has offered, played the crucial role for our decision to respond to the fast growing market for our UHB-LEDs: We ordered two additional 24x2" AIXTRON reactors to expand our production capacity for Ultra-High-Brightness-LEDs. The second reactor of the package will then be placed in our new facility expansion."

Dr. Christian Geng, General Manager of AIXTRON Taiwan Co. Ltd. adds: “This multiple order shows the convincing performance of AIXTRON’s approved MOCVD mass production equipment. The AIX 2600G3 HT produces extremely high material quality and reproducibility enabling our customers to produce competitive high-class material and devices. Tekcore’s repeat order reflects our position in the Taiwanese market. We welcome the justified confidence, Tekcore places in our products and services, and look forward to a continued successful cooperation.”

The AIX 2400/2600G3 HT has a capacity of up to 24x2" or 8x4" wafers. The two-flow horizontal Planetary Reactor is recognized as the most widely used multiwafer MOCVD reactor for compound semiconductor applications. The unique reactor concept allows for laminar gas flow without turbulence for precise control of the material composition and achievement of ultra-sharp interfaces. Ultra-high uniformity along with high growth efficiency on multiple 2", 3" and 4" wafers is achieved through wafer rotation with the patented Gas Foil Rotation.

AIXTRON is, as verified by VLSI Research Inc., the world leading supplier of equipment for semiconductor epitaxy. Its equipment is used by a diverse range of customers worldwide to manufacture critical, advanced components such as HBTs, PHEMTs, MESFETs, Lasers, LEDs, Detectors and VCSELs used in fiber optic communications systems, wireless and mobile telephony applications, optical storage devices, illumination, signaling and lighting, as well as a range of other leading-edge technologies. AIXTRON AG (FSE: AIX ISIN DE0005066203) is included in the Dow Jones Sustainability Index World and the MSCI World Index.

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© AIXTRON AG, June 4, 2003

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