August 11, 2005

SAN JOSE, Calif., August 11, 2005 — IDT (Integrated Device Technology, Inc.; Nasdaq: IDTI), a leading communications IC company, today announced that it will hold a Special Meeting of Stockholders at 10:30 a.m. PDT on Thursday, September 15, 2005, to vote on matters related to the Company’s proposed merger with Integrated Circuit Systems, Inc. (“ICS”, Nasdaq: ICST).


IDT also announced that the Securities and Exchange Commission (SEC) has declared effective the registration statement on Form S-4 containing the joint proxy statement/prospectus that will be mailed on or about August 15, 2005 to IDT stockholders of record as of August 8, 2005.  All IDT stockholders of record as of August 8, 2005 are entitled to vote on the transaction.  IDT stockholders are urged to read the joint proxy statement/prospectus as it contains important information regarding the proposed merger.  IDT anticipates that the transaction will close in the fall of calendar year 2005, subject to approval by IDT and ICS stockholders and the satisfaction of other closing conditions.


About IDT

IDT is a global leader in semiconductor solutions for advanced network services. IDT serves communications equipment vendors by applying its advanced hardware, software and memory technologies to create flexible, highly integrated products that enhance the functionality and processing of network equipment. IDT accelerates innovation with products such as network search engines (NSEs), flow-control management (FCM) ICs and its commitment to and products for standards-based serial switching. The portfolio also comprises products optimized for communications applications, including telecom products, FIFOs, multi-ports, and timing solutions. In addition, the product mix includes high-performance digital logic and high-speed SRAMs to meet the requirements of leading communications companies.


Currently headquartered in San Jose, Calif., the Company employs approximately 2,500 people worldwide and has a wafer manufacturing facility in Oregon and an assembly and test facility in Malaysia.  Additional information about IDT is accessible at


Safe Harbor Statement
This release contains, in addition to statements of historical fact, certain forward-looking statements. These forward-looking statements relate to the proposed merger and the combined company and involve risk and uncertainty.  Actual results could differ from those currently anticipated due to a number of factors, including those mentioned in documents filed with the SEC by both IDT and ICS.  Forward-looking statements are based on information available to management at the time, and they involve judgments and estimates.  There can be no assurance as to the timing of the closing of the merger, or whether the merger will close at all, or that the expected synergies and cost savings will be realized.  Factors that could cause results to differ from expectations include: the failure of IDT and ICS stockholders to approve the transaction; the risk that the businesses will not be integrated successfully; the risk that the cost savings and any other synergies from the transaction may not be fully realized or may take longer to realize than expected; disruption from the transaction making it more difficult to maintain relationships with customers, employees or suppliers; transaction costs; the level of market demand for the products of the companies; competitive pressures; economic conditions in the U.S. and other countries where the companies operate; information technology spending; technological obsolescence; industry competition; and other specific factors discussed in the IDT most recent Annual Report on Form 10-K and Quarterly Reports on Form 10-Q and Current Reports on Form 8-K.  IDT assumes no responsibility to update any forward-looking statements as a result of new information or future developments.


Additional Information And Where To Find It

IDT has filed a registration statement on Form S-4, and IDT and ICS have filed a related joint proxy statement/prospectus, in connection with the merger transaction involving IDT and ICS. Investors and security holders are urged to read the registration statement on Form S-4 and the related joint proxy/prospectus because they contain important information about the proposed merger. Investors and security holders may obtain free copies of these documents and other documents filed with the SEC at the SEC’s web site at In addition, investors and security holders may obtain free copies of the documents filed with the SEC by IDT by contacting IDT Investor Relations. 


IDT, ICS and their respective executive officers and directors may be deemed to be participants in the solicitation of proxies from their respective stockholders with respect to the proposed transaction.  Information about the directors and executive officers of IDT and their ownership of IDT shares is set forth in the proxy statement for the IDT 2005 annual meeting of stockholders.


This communication shall not constitute an offer to sell or the solicitation of an offer to buy securities, nor shall there by any sale of securities in any jurisdiction in which such solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.




IDT, Interprise and the IDT logo are trademarks of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners.