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UMC confirms chipmaker deal

UMC is the world's No. 2 contract chipmaker, behind TSMC
UMC is the world's No. 2 contract chipmaker, behind TSMC

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TAIPEI, Taiwan (Reuters) -- Taiwan's United Microelectronics Corp (UMC) has confirmed it bought a 2.32 percent stake in chipmaker Silicon Integrated Systems Corp for T$642.5 million ($18.5 million).

UMC, the world's second-largest contract chipmaker behind Taiwan Semiconductor Manufacturing Co. (TSMC), announced the purchase in a statement to the Taiwan Stock Exchange late on Thursday.

Shares in SiS rose 5.43 percent to T$27.20 by midday Friday local time. UMC is down 1.74 percent to T$22.60, while the wider Taiex index is down 0.28 percent.

UMC's bigger rival TSMC is down 0.65 percent to T$45.70.

SiS shares had jumped the daily seven percent limit over the previous three sessions after the two companies reached a reconciliation agreement on Tuesday over a dispute over a patent infringement.

UMC said the purchase was aimed at a long-term investment but gave no further detail.

UMC bought 25.25 million SiS common shares at T$25.44 each between December 10-26, UMC said in its statement to the Taiwan Stock Exchange.

SiS and UMC will also cooperate in production and manufacturing technology and set up a long-term partnership. UMC plans to gain control of three seats on SiS's board.

In October, UMC said the U.S. International Trade Commission had ruled in its favour in the patent row and that SiS would be barred from selling products made using the disputed production process to the United States if the commission's decision stands after a 60-day presidential review of the ruling.



Reuters contributed to this report.


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