The board of directors of Melexis Tessenderlo NV has decided on August 20, 2010 to start with the purchase of shares Melexis NV on Euronext Brussels (press release August 24, 2010).

Melexis Tessenderlo NV announces today that it acquired 23.910 shares during the period September 20, 2010 till September 24, 2010.


Purchase date Number of Average Price (in Lowest Price Highest Price Total Amount (in
         Week 38 Shares EUR) (in EUR) (in EUR) EUR)
20/09/2010  4.800 103,751 10,16  10,40  49.800, 48
21/09/2010  4.800 104,043 10,33  10,43  49.940,64
22/09/2010  5.000 103,399 10,13 10,43  51.699,50
23/09/2010 5.000 104,080 10,19  10,62  52.040,00
24/09/2010  4.310 107,501 10,55  11,00  46.332,93

For further information, please go to or contact:

Karen van Griensven

CFO Melexis Tessenderlo NV

Phone: +32 13 67 07 79

Fax: +32 13 67 21 34


About Melexis

Melexis Microelectronic Integrated Systems N.V. (Euronext Brussels:MELE) imagines, creates and delivers innovative mixed signal integrated circuits. Melexis ICs are driving green solutions that enable our customers to bring more energy efficient automotive systems to market. Melexis product portfolio addresses 4 classes of ICs; Sensor, Optoelectronic, Wireless and Actuators. Sensors include magnetic, MEMs, and sensor interface ICs. Optoelectronic products encompass linear arrays, single point sensors, infrared thermometers and CMOS wide dynamic range and night vision cameras. Wireless ICs focus on RKE, TPMS, ISM band

applications, NFC, RFID reader and smart tag solutions. Actuator ICs cover LIN and CAN bus networking ICs and advanced BLDC motor driver technology. Melexis is proud of its participation toward reducing the human race's global environmental footprint. For more information visit


Except for those statements that report the Company's historical results, the statements being made are forward looking statements. Actual results could differ materially from those projected in the forward-looking statements. Factors which could cause actual results to differ from expectations include the following: volatility in supply and demand affecting revenues and market prices, price and availability of silicon foundry, assembly and test prices, assembly and test subcontract capacity required to meet financial targets and/or meet backlog requirements, risks and delays associated with bringing up new production capabilities or with deliveries from subcontractors, timing and market acceptance of new products, increased expenses associated with new product acceptance of new products, increased expenses associated with new product introductions of process changes, delays in developing or achieving volume production of new products, which can result in delays or failure to contribute to revenues and profits, ability of the Company to maintain its customer and vendor base and delays in and/or inability in raising additional capital.