November	Jointly established through investments by Sony Corporation, Sony Music Entertainment (Japan), Inc., and Sony Finance International, Inc.
	January	Launched “So-net” Internet connection service.
	November	Released “PostPet DX” mail software.
	October	Invested in DeNA Co., Ltd., which develops and operates online auction services.
	November	Became first Internet service provider to obtain “Privacy Mark” certification.
	September	Established So-net M3, Inc. (currently M3, Inc.) to design and operate portals for medical professionals.
	May	Launched “So-net Hikari”, a fiber-to-the-home (FTTH) connection service.
	June	Became first domestic Internet service provider to obtain certification for both international information security management standard BS7799 and domestic ISMS designation standard.
	September	So-net M3, Inc. (currently M3, Inc.) listed on TSE Mothers.
	December	Listed on TSE Mothers.
	July	Established a joint venture, Actvila Corporation, to plan and operate network services for digital TV.
	October	Changed company name to So-net Entertainment Corporation.
	July	Established MotionPortrait, Inc. to plan and operate business using "Motion-Portrait" technology.
	August	Acquired So-net Entertainment Taiwan Limited as a consolidated subsidiary.
	November	Relocated headquarters to Osaki,Shinagawa-ku,Tokyo.
	January	Listed on TSE 1st seciton.
	April	Acquired Gamepot Inc. as a consolidated subsidiary.
	July	Acquired So-net Media Networks Corporation as a consolidated subsidiary.
	November	Started offering HD channel “Asia Dramatic TV-HD”.
	March	So-net Entertainment Taiwan Ltd. (So-net Taiwan) signed a capital/business partnership contract with Chunghwa Telecom Co., Ltd. (CHT).
	November	Concluded agreement to conduct forest preservation activities in cooperation with the Osawa Foundation of Saku City, Nagano Prefecture.
	February	Acquired the ISP business from USEN CORPORATION.
	March	Invested in Chorokbaem Media Co., Ltd., one of the largest TV drama producers in Korea.
	March	Gamepot Inc. signed agreement with Kong Zhong Corporation for China distribution rights for game title “Paperman”.