Aehr Test Systems Announces Follow-On WaferPak(TM) Contactor Orders

FREMONT, Calif., Dec. 16, 2010 (GLOBE NEWSWIRE) -- Aehr Test Systems (Nasdaq:AEHR), a worldwide supplier of semiconductor test and burn-in equipment, announced today that it has received approximately $3 million in follow-on orders for multiple FOX™-1 WaferPak contactors from a leading manufacturer of semiconductor memory devices. Shipments began in the second fiscal quarter of 2011 and are scheduled to complete during the current fiscal year.

"We are very pleased to have received these follow-on orders," said Greg Perkins, vice president of worldwide sales and service at Aehr Test Systems. "The orders include WaferPak contactors for both 200 mm and 300 mm wafers. The orders are for both additional contactors of existing designs and initial contactors for new wafer types, which indicates to us that our customer is achieving ongoing cost and through-put benefits with the FOX full wafer contact solution."

The FOX-1 system, using a WaferPak contactor, allows parallel testing of thousands of die on a wafer with only a single touchdown. The FOX-1 full wafer parallel test system, a member of the FOX family of full wafer contact systems, is most effective for test and short burn-in applications. Other members of Aehr Test's FOX family of products are focused on long-duration full wafer burn-in and test of products such as automotive ICs, DRAMs and VCSELs (laser diodes).

About Aehr Test Systems

Headquartered in Fremont, California, Aehr Test Systems is a worldwide supplier of systems for burning-in and testing memory and logic integrated circuits and has an installed base of more than 2,500 systems worldwide. Aehr Test has developed and introduced several innovative products, including the ABTS™, FOX and MAX systems and the DiePak ^® carrier. The FOX system is a full wafer contact test and burn-in system. The MAX system can effectively burn-in and functionally test complex devices, such as digital signal processors, microprocessors, microcontrollers and systems-on-a-chip. The DiePak carrier is a reusable, temporary package that enables IC manufacturers to perform cost-effective final test and burn-in of bare die. For more information, please visit the Company's website at www.aehr.com .

Safe Harbor Statement

This release contains forward-looking statements that involve risks and uncertainties relating to projections regarding customer demand and acceptance of Aehr Test's products. Actual results may vary from projected results. These risks and uncertainties include, without limitation, acceptance by customers of the FOX and WaferPak contactor technologies, acceptance by customers of the WaferPak contactors shipped upon receipt of a purchase order and the ability of new products to meet customer needs or perform as described. See Aehr Test's recent 10-K, 10-Q and other reports from time to time filed with the Securities and Exchange Commission (SEC), for a more detailed description of the risks facing our business. The Company disclaims any obligation to update information contained in any forward-looking statement to reflect events or circumstances occurring after the date of this press release.

CONTACT:  Aehr Test Systems
          Greg Perkins, V.P. Worldwide Sales & Service
          [phone] x241

          Financial Relations Board
          Analyst/Investor Contact 
          Lasse Glassen
          [phone]

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