NEW EXECUTIVE BOARD : TIM MCENTEE AS EXECUTIVE VICE PRESIDENT AND COO TO AIXTRON'S SEMICONDUCTOR EQUIPMENT BUSINESS UNIT

!!! Press Release !!!

New Executive Board Appointment :
Tim McEntee as Executive Vice President and COO
to AIXTRON's Semiconductor Equipment Business Unit

Underlining AIXTRON's further commitment to Oxide materials and SiGe/Strained Silicon Activities

Aachen, 27 November, 2002 - AIXTRON is pleased to announce the appointment of Tim McEntee to the position of Executive Vice President and Chief Operating Officer for AIXTRON's Semiconductor Equipment (SE) business unit. As a new member of the AIXTRON Executive Board, Tim McEntee assumes responsibility for all activities related to CVD technology for advanced Silicon materials. This appointment will strengthen AIXTRON's well established position in CVD technology, which is key to current and future developments in the Silicon Industry.

Tim brings 28 years of experience in the semiconductor industry, where he has held positions in Process Engineering, Marketing and General Management. He joins the AIXTRON Group from Mattson Technology, Fremont, California, US where he was employed as General Manager of the CVD business unit. Mattson Technology provides advanced, high productivity semiconductor processing equipment used in the fabrication of integrated circuits.

He comments "I am excited about taking on this challenging new position at AIXTRON. I am very impressed by AIXTRON's state-of-the-art technology and the clear motivation of a very skilled team to succeed in the Oxides and SiGe/Strained Silicon markets. I am convinced that the complexity and importance of these new materials will bring significant business opportunities to AIXTRON and real value-added investment to AIXTRON's customers."

Paul Hyland, President & CEO of AIXTRON adds: "We are very pleased that Tim has chosen to join AIXTRON, at a time when there are very significant developments and business opportunities for AIXTRON in so many new markets. Tim's extensive experience in the Silicon Industry will bring great value to AIXTRON and we would like to take this opportunity to welcome him in joining the AIXTRON management team. His position at AIXTRON further underlines our strategy to strengthen both our Oxide Materials and SiGe/Strained Silicon activities and to demonstrate a clear commitment for this technology to our customers and shareholders worldwide."

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.

For further information please contact:

Dr. Claus Ehrenbeck
Head of Investor Relations and
Corporate Communications
AIXTRON AG
Kackertstr. 15 - 17
D-52072 Aachen, Germany
Phone:+49 241 8909 444
Fax: +49 241 8909 445
E-mail: invest@aixtron.com