Hitachi, Ltd. (NYSE:HIT / TSE: 6501), in cooperation with Elpida Memory, Inc. (President and CEO: Mr. SAKAMOTO Yukio) announced today that they have developed a new methodology for memory-array design, Concordant Memory Design Using Statistical Integration, which gathers statistics on device parameters from each memory cell on the chip for an accurate distribution of memory-cell characteristics, and applies the results to the quantitative evaluation of the memory array.

itachi, Ltd. (NYSE:HIT / TSE: 6501) and Renesas Technology Corp. announced today that they have co-developed a highly accurate digital calibration system which can be integrated into RF ICs used in mobile communication devices, such as cellular phones.

Hitachi, Ltd. (NYSE:HIT / TSE: 6501) announced today that it has developed a 2.5*2.5mm2 RFID(*1) sensor chip capable of detecting and transmitting the data collected on single nucleotide polymorphisms(*2) (SNPs) in DNA.

Hitachi, Ltd. (NYSE:HIT/TSE: 6501) and Matsushita Electric Industrial Co., Ltd. (NYSE:MC/TSE: 6752), best known for its Panasonic brand products, announced today that they will be joining forces to develop and expand the plasma TV market under an agreement that calls for all-around collaboration in moving forward with the plasma display (PDP) business.

Hitachi, Ltd. (TSE: 6501 / NYSE:HIT), headquartered in Tokyo, Japan, is a leading global electronics company, with approximately 326,000 employees worldwide. Fiscal 2003 (ended March 31, 2004) consolidated sales totaled 8,632.4 billion yen ($81.4 billion).

Hitachi, Ltd. (NYSE:HIT/TSE:6501) today announced that it has reached an agreement with Fujitsu Limited (TSE: 6702) regarding acquisition of Fujitsu Hitachi Plasma Display Limited (FHP) stock owned by Fujitsu.

An international team announced it has discovered a new physical phenomenon, the Spin Hall Effect, in an ultra-thin conducting layer embedded within a semiconductor chip.

Tokyo, December 29, 2004 ---Hitachi, Ltd. (TSE:6501) has decided to donate a total of 20M yen in disaster relief in the Disasters Caused by the Large-scale Earthquake off the Coast of Sumatra, Indonesia, and the Tsunami in Neighboring Countries. Details and allocation of the funds will be determined upon confirmation of conditions in the various disaster areas.

Hitachi, Ltd. (NYSE:HIT / TSE:6501) announced that it will repurchase its own shares from subsidiaries as follows:

Hitachi, Ltd. (NYSE:HIT / TSE:6501) today announced that the Hitachi Group has completed details of its planned pavilion at The 2005 World Exposition, Aichi, Japan, to be called "Nature Contact- Hitachi Group Pavilion's Ubiquitous Entertainment Ride" ("Hitachi Group Pavilion").