Apr. 1996 Joined M&M Co., Ltd. / Apr. 1998 Joined Sapporo City Environmental Business Foundation / Jul. 2000 Founded Soreike Bokura no Yugen Kaisha / Jul. 2001 Founded Chiebukuro Ltd. / Sep. 2006 Renamed to Chiebukuro Co., Ltd.; appointed Representative Director / Jun. 2012 Entered into capital alliance with former Interpark Co., Ltd.; appointed Director of the same / Jun. 2015 Merged with former Interpark Co., Ltd.; company renamed to Interpark Co., Ltd. (the Company); appointed Representative Director, President & CEO (current)

Apr. 2000 Founded MilleniaNet (predecessor to Interpark) / Feb. 2008 Established former Interpark Co., Ltd.; appointed Representative Director / Jun. 2012 Entered into capital alliance with Chiebukuro Co., Ltd.; appointed Director of the same / Jun. 2015 Merged with Chiebukuro Co., Ltd.; appointed Director, Executive Vice President of Interpark Co., Ltd. (the Company) (current)

Apr. 1999 Joined Fuji Facom System Co., Ltd. / Dec. 2004 Joined Hummingheads Co., Ltd. / Feb. 2009 Joined Tokyo New Touch Software / Apr. 2010 Joined Asgent, Inc. / Apr. 2012 Joined eightred Co., Ltd. / Apr. 2016 Appointed Acting Sales Division Manager at the same / May 2018 Joined Digital Information Technology Co., Ltd. / Jul. 2018 Appointed Executive Officer & Division Manager at the same / Feb. 2020 Founded NEXT-AI Co., Ltd. / Feb. 2020 Joined elseif Co., Ltd.; appointed Head of newly established Oita Office / Jan. 2022 Appointed Head of President's Office at the same / Apr. 2022 Joined Mazrica Inc. / Apr. 2023 Appointed Executive Officer of the Company / Nov. 2023 Appointed Director of the Company (current)

Apr. 1997 Joined Sun Media Ltd. / Apr. 2002 Joined Teikei Co., Ltd. / May 2011 Joined Aqura Home Co., Ltd. / Mar. 2017 Appointed General Manager of Finance & Accounting Division at the same / Apr. 2018 Joined Sapporo TV Tower Co., Ltd.; appointed Manager of Administration Section / Apr. 2021 Joined Kosho Co., Ltd.; appointed Deputy General Manager / Aug. 2022 Joined the Company; appointed General Manager of Administration Division / Nov. 2023 Appointed Director of the Company (current)

Jan. 1999 Appointed JSPS Research Fellow (DC), Japan Society for the Promotion of Science / Apr. 2000 Appointed Research Associate, Graduate School of Engineering, Hokkaido University / Apr. 2004 Appointed Research Associate, Graduate School of Information Science and Technology, Hokkaido University / Oct. 2006 Appointed Associate Professor, Graduate School of Information Science and Technology, Hokkaido University / Apr. 2007 Appointed Associate Professor (restructured title), Graduate School of Information Science and Technology, Hokkaido University / Jan. 2016 Appointed Professor, Graduate School of Information Science and Technology, Hokkaido University (current) / May 2021 Appointed Outside Director (Non-Executive) of the Company (current)

Apr. 1976 Joined Kyodo Credit Cooperative / Apr. 1992 Appointed Branch Manager, Tonden Branch, Kyodo Credit Cooperative / Apr. 1997 Appointed Senior Inspector, Credit Review Division No. 1, Kyodo Credit Cooperative / Apr. 1999 Appointed Deputy General Manager, Credit Review Division, Hokuoh Credit Cooperative / Jan. 2022 Appointed Full-time Audit & Supervisory Board Member of the Company (current)

Oct. 2001 Joined Shin Nihon & Co. (now Ernst & Young ShinNihon LLC) / Apr. 2005 Registered as Certified Public Accountant / Aug. 2009 Established Takashi Suzuki CPA Office / Nov. 2009 Registered as Tax Accountant / Jun. 2020 Appointed Outside Audit & Supervisory Board Member (Non-Executive) of the Company / Nov. 2022 Resigned as Outside Audit & Supervisory Board Member of the Company / Nov. 2023 Appointed Outside Audit & Supervisory Board Member (Non-Executive) of the Company (current)

Nov. 2005 Passed former bar examination / Mar. 2006 Entered Legal Training and Research Institute / Sep. 2007 Registered as Attorney at Law (Sapporo Bar Association); joined Sapporo Sogo Law Office / Apr. 2013 Appointed Representative Director, Hamanasu Labor Support Station (General Incorporated Association) / Jun. 2015 Appointed Standing Director, Japan Negotiation Academic Society / Feb. 2016 Appointed Representative Director, President & CEO, flat Co., Ltd.; appointed Audit & Supervisory Board Member, Japan General Investigation Industry Association (General Incorporated Foundation); appointed Vice Chairman, Hokkaido General Investigation Industry Association / Jun. 2020 Appointed Director, Hokkaido Japan-America Society / May 2021 Appointed Outside Audit & Supervisory Board Member (Non-Executive) of the Company / Nov. 2022 Resigned as Outside Audit & Supervisory Board Member of the Company / Nov. 2023 Appointed Outside Audit & Supervisory Board Member (Non-Executive) of the Company (current)