WDB Holdings Inc.

Established WDB Data Bank Inc. (the predecessor of WDB Holdings Inc.) with capital of 1 million yen at 68 Honmachi, Himeji, Hyogo

Established.

Enforcement of the Worker Dispatch Law

Capital increased to 8 million yen

Capital increased to 10 million yen

Capital increased to 15 million yen

Relocated headquarters to 2-1 Minamimachi, Himeji, Hyogo, in Sompo Japan Himeji Building (now First Himeji Building)

Entered the management of human resources introduction (management) business

Capital increased to 20 million yen

Capital increased to 40 million yen

Capital increased to 80 million yen

Established Task Management Inc. (dissolved in 2010)

Established Teddies Inc. (renamed to WDB Teddies Inc.)

Acquired Privacy Mark

Obtained ISO9001 certification (relinquished in February 2016)

Established Research Network Inc. (renamed to WDB Systems Inc.)

Opened Shanghai Representative Office

Changed company name from Work Data Bank Inc. to WDB Inc.

Established Embalue Inc. (dissolved in 2007)

Transferred business rights of Human West Co., Ltd. Okayama Branch, Hiroshima Branch, Takamatsu Branch, Tokushima Branch

Fully owned subsidiary through share exchange with Task Management Inc.

Capital increased to 100 million yen

Business alliance with Shanghai Wode Boruman Human Resources Co., Ltd.

Established WDB Eureka Inc. (now WDB Inc. Eureka Division)

Relocated headquarters to 2-6-2 Otemachi, Chiyoda-ku, Tokyo, Japan Building

Established group headquarters at 100 Minami Ekimae-cho, Himeji-shi, Hyogo Prefecture, Himeji Palacio 2 Building

Opened Second Stage Center (renamed to Science-based Career Change Inc., dissolved in 2017)

Capital increased to 200 million yen

Established Still Active Inc. (renamed to Science-based Career Change Inc., dissolved in 2017)

Fully acquired Genomic Brain Inc. (share acquisition)

Established Science-based Human Inc.

Established WDB Research & Analysis Inc.

Established WDB Doctor & Pharmacist Inc.

Established WDB Kobe Research Institute

Obtained ISMS certification (relinquished in September 2016)

Capital increased to 440 million yen

Listed on JASDAQ Securities Exchange (delisted upon listing on Tokyo Stock Exchange Second Section in May 2008)

Relocated headquarters to Marunouchi 2-3-2, Chiyoda-ku, Tokyo, Yusen Building

Relocated group headquarters to Otemachi 2-6-2, Chiyoda-ku, Tokyo, Japan Building

Closed Shanghai Representative Office

Merged Genomic Brain Inc. and WDB Research & Analysis Inc.

Dissolution of Envalue Inc.

Listed on the Second Section of the Tokyo Stock Exchange

Capital increased to 479,807,000 yen

Fully acquired Kiro Technology Laboratory Inc. (renamed WDB Functional Chemistry Inc.)

Established Environmental Bio Research Institute

Relocated group headquarters to Marunouchi 2-3-2, Yusen Building, Chiyoda-ku, Tokyo

Merged WDB Teddies Inc., Rikei Jin Inc., and WDB Doctor Pharmacist Inc.

Established WDB Medical Inc.

Established Business Succession Partners Inc. (now WDB Business Succession Partners Inc.)

Increased capital to 800 million yen

Dissolved Task Management Inc.

Converted Environmental Bio Research Institute into a corporation and established WDB Environmental Bio Research Institute Inc.

Fully acquired I.C.O. Inc.

Established Tokyo Central Training Center (now WDB Tech Lab Tokyo)

Established Postdoc Style Inc. (dissolved in 2016)

Established WDB Dopp Inc.

Headquarters building completed and relocated to 79 Toyozawa-cho, Himeji City, Hyogo Prefecture

Establishment of WDB University Corporation

IO Corporation merged with WDB Medical Corporation, renamed to WDB ICO Corporation (now WDB Coco Corporation)

Establishment of WDB Engineering Corporation (now WDB Corporation Engineering)

Fully acquired Densuke Systems Limited (renamed WDB Clinical Research Corporation in 2019) through share acquisition

Capital increased to 1 billion yen

Designated on the First Section of the Tokyo Stock Exchange

Fully acquired Kakengenex Corporation through share acquisition

Establishment of WDB Silicon Valley, Inc.

Establishment of WDB Medical Data, Inc.

Establishment of WDB India Pvt. Ltd. (dissolved in 2022)

Establishment of WDB Chemical Laboratory Corporation

Dissolution of Postdoc Style Corporation

Establishment of Nezotto Corporation

Fully acquired Oy Medfiles Ltd. through share acquisition

Fully acquired Kobridge Corporation through share acquisition; Disbanded Science Career Change Corporation

WDB Corporation merged with WDB Eureka Corporation, establishing Eureka as an internal company

Fully acquired DZS Software Solutions (renamed Medfiles USA in 2023) through share acquisition via subsidiary WDB Medical Data, Inc.

Transferred all shares of WDB Environmental Bio Research Institute; dissolved WDB Functional Chemistry Corporation

WDB ICO Corporation changed its name to WDB Coco Corporation

WDB Corporation absorbed WDB Systems Corporation

Densuke Systems Corporation changed its name to WDB Clinical Research Corporation. WDB Silicon Valley, Inc. was dissolved. WDB Singapore Pte. Ltd. was dissolved.

WDB Coco Corporation listed on the Tokyo Stock Exchange Mothers Market.

WDB Corporation absorbed WDB University Corporation.

WDB Corporation absorbed WDB Chemical Laboratory Corporation.

Transferred all shares of Kaken Genex Corporation.

Moved to the Tokyo Stock Exchange Prime Market. WDB Coco Corporation moved to the Tokyo Stock Exchange Growth Market.

WDB Coco Corporation made WDB Clinical Research Corporation a wholly owned subsidiary through share acquisition.

WDB Coco Corporation absorbed WDB Clinical Research Corporation.

Established Doko 1 Corporation.

Head office building relocated to 101 Edo-cho, Chuo-ku, Kobe, Hyogo Prefecture.

WDB Corporation absorbed WDB Engineering Corporation. Established Engineering Company as an internal company.

Relocated Tokyo headquarters to Marunouchi 1-4-1, Marunouchi Eiraku Building, Chiyoda-ku, Tokyo.