[MTV Networks Asia and GigaMedia to Co-Develop SpongeBob SquarePants Massively Multiplayer Online Game (MMOG) Deal Marks First MMOG to Feature a Nickelodeon Television Property SpongeBob SquarePants Creative Team Singapore/Hong Kong/Seoul/Tokyo/New York, June 9, 2010 SpongeBob SquarePants SpongeBob SquarePants SpongeBob SquarePants SpongeBob SquarePants The SpongeBob SquarePants SpongeBob SquarePants “Partnering with GigaMedia on the development of a SpongeBob SquarePants SpongeBob SquarePants “We] [For further information contact: Brad Miller, Investor Relations Director Country/City Code 8862 Tel: 2656-8016 brad.miller@gigamedia.com.tw GigaMedia’s Everest Poker and BetClic Poker HONG KONG, June 8, 2010 — GigaMedia Limited (NASDAQ: GIGM) today announced that its Everest Poker and BetClic Poker operations, jointly owned with Mangas Gaming, received online poker licenses as part of the first grant of licenses in France.]

[NOTICE OF THE ELEVENTH ANNUAL GENERAL MEETING OF SHAREHOLDERS GigaMedia Limited REGISTERED OFFICE Company June 29, 2010 at 3:00 p.m. local time at The Centrium, 60 Wyndham Street, Central Hong Kong, in the Board Room on the Twenty-second Floor The 2010 annual general meeting of the shareholders of GigaMedia Limited (the “ ORDINARY AND SPECIAL BUSINESS ORDINARY RESOLUTIONS: To consider] [] [Audited Financial Statements Under US GAAP GIGAMEDIA LIMITED GHP Horwath, P.C. Board of Directors and Shareholders Internal Control—Integrated Framework We have audited the accompanying consolidated balance sheets of GigaMedia Limited and subsidiaries (the “Company”) as of December 31, 2009 and 2008, and the related consolidated statements of operations, comprehensive income (loss), equity, and cash flows for each of the three] [Audited Financial Statements GIGAMEDIA LIMITED FINANCIAL STATEMENTS INDEX Page No. 1 – 6 Statement by Directors 7 Independent Auditors’ Report 8 – 9 Consolidated Income Statement 10 Statement of Comprehensive Income 11 Balance Sheets 12 – 13 Consolidated Statement of Changes in Equity 14 – 15 Consolidated Cash Flow Statement 16 – 17 Notes to the Financial Statements 18 –]

[For further information contact: Brad Miller, Investor Relations Director Country/City Code 8862 Tel: 2656-8016 brad.miller@gigamedia.com.tw GigaMedia’s IAH Games and Blizzard Entertainment StarCraft II: Wings of Liberty to Southeast Asia GigaMedia increases ownership of IAH Games to 80% GigaMedia announces Q1 2010 financial results Games StarCraft II: Wings of Liberty HONG KONG, May 27, 2010 — GigaMedia Limited (NASDAQ: GIGM) today]

[For further information contact: Brad Miller, Investor Relations Director Country/City Code 8862 Tel: 2656-8016 brad.miller@gigamedia.com.tw GigaMedia Completes Sale of Reports Preliminary Q1 2010 Results HONG KONG, May 13, 2010 — GigaMedia Limited (NASDAQ: GIGM) today announced that it has completed the sale of a 60 percent interest in its online gambling software business to Mangas Gaming, a leading European sports]