ACS entered the pharmacy audit business in 2004 with its acquisition of HeritageInformation Systems. Today, ACS provides services to 30 pharmacy programs in 27states and the District of Columbia with a combined drug spend of more than $8billion for which ACS has developed systems that process more than 125 millionclaims annually. About ACSACS, a global FORTUNE 500 company with approximately 74,000 people supportingclient operations reaching more than 100 countries, provides business processoutsourcing and information technology solutions to world-class commercial andgovernment clients. About Access Markets International (AMI) Partners, Inc.AMI-Partners specializes in IT, Internet, telecommunications and businessservices strategy, venture capital, and actionable market intelligence – with astrong focus on global small and medium businesses (SMBs), and extending intolarge enterprises and home-based businesses.

Pharm/DUR`sservices are designed to cost-effectively identify waste, abuse and fraud inPharmacy Benefit Management programs. Its proprietary application AUDITrackutilizes paid claims data and specifically developed algorithms to identifypotential errors for review. “The client-focused cultures at Pharm/DUR and ACS will ensure a smoothtransition for all of our employees and clients,” said Anthony Spay, CEO ofPharm/DUR. “The veteran management teamand talented employees of Pharm/DUR will continue to provide high qualityservice to its customers.” Pharm/DUR was founded in 1992 by Anthony Spay and Ron Nighswander and has becomeone of the nation`s largest independent pharmacy audit firms. “This acquisition solidifies ACS` leadership position in the pharmacy auditmarket, and will make the combined operation more competitive as we adoptPharm/DUR`s auditing tools and leverage its nationwide distributed auditornetwork,” said Christopher T. Deelsnyder, senior vice president and managingdirector of ACS Government Healthcare Solutions. Pharmacy audit and verification services are essential in ensuring that bothprivate and public health plan dollars are spent appropriately on patient careby identifying and recovering overpayments, detecting and stopping fraudulentactivities, and educating providers.

Allother trademarks are the property of their respective owners. Peregrine Semiconductor CorporationRodd Novak, V.P., Marketing, Cindy Trotto, Marketing Communications Manager, orMagnaChipIn Korea:Chankeun Park, PR ManagerTel: Copyright Business Wire 2009. DALLAS–(Business Wire)–Affiliated Computer Services, Inc (NYSE: ACS) today announced it has acquiredPharm/DUR Inc. to expand its pharmacy auditing and verification services.Combined with ACS` existing pharmacy business, this acquisition positions ACS asa leader in the pharmacy audit market. The Peregrine Semiconductor name and logo are registered trademarks andUltraCMOS and HaRP are trademarks of Peregrine Semiconductor Corporation.

Although MagnaChip Semiconductor believes that theexpectations reflected in these statements are reasonable, no assurance can begiven that such expectations will prove to have been correct as a result of manyfactors, including those described in our annual report on Form 10-K for theyear ended December 31, 2007, which was filed with the Securities and ExchangeCommission on March 31, 2008. For more information, visit Forward-Looking Statements:Certain statements contained in this press release contain forward-lookingstatements regarding MagnaChip Semiconductor’s operations, economic performanceand financial condition. The Company has a broad range of analog and mixed-signalsemiconductor technology, supported by its 29-year operating history, largeportfolio of registered and pending patents and extensive engineering andmanufacturing process expertise. TheCompany, headquartered in San Diego, California, maintains global sales supportoperations and a worldwide technical distribution network. Additionalinformation is available on the web at About MagnaChip SemiconductorHeadquartered in Seoul, South Korea, MagnaChip Semiconductor is a leading,Asia-based designer and manufacturer of analog and mixed-signal semiconductorproducts for high volume consumer applications, such as mobile phones, digitaltelevisions, flat panel displays, notebook computers, mobile multimedia devicesand digital cameras.