Exhibit 99.3
FOR IMMEDIATE RELEASE  
For further information contact:
Brad Miller, Investor Relations Director
Country/City Code 8862 Tel: 2656-8016
brad.miller@gigamedia.com.tw

GigaMedia 4Q: Net Income

In-Line with Market Expectations

HONG KONG, March 13, 2009 — GigaMedia Limited (NASDAQ: GIGM) today confirmed fourth-quarter 2008 net earnings were in-line with market expectations and announced it will report its full fourth-quarter and full-year 2008 financial results on Tuesday, March 31, 2009 before the market opens.

Management will hold an investor webcast on March 31, 2009 at 8:00 a.m. Eastern Daylight Time, which is 8:00 p.m. Hong Kong Time on March 31, 2009, to discuss GigaMedia’s fourth-quarter and full-year 2008 performance. A link to the live and archived webcast will be available at www.gigamedia.com.tw.

About GigaMedia

GigaMedia Limited (Singapore registration number: 199905474H) is a major provider of online entertainment software and services. GigaMedia develops and licenses software for online gaming. GigaMedia also operates online games businesses including FunTown, a leading Asian casual games operator and the world’s largest online MahJong game site in terms of revenue, and T2CN, a leading online sports game operator in China. More information on GigaMedia can be obtained from www.gigamedia.com.tw.

The statements included above and elsewhere in this press release that are not historical in nature are “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995. GigaMedia cautions readers that forward-looking statements are based on the company’s current expectations and involve a number of risks and uncertainties. Actual results may differ materially from those contained in such forward-looking statements. Information as to certain factors that could cause actual results to vary can be found in GigaMedia’s Annual Report on Form 20-F filed with the United States Securities and Exchange Commission in June 2008.

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