| 1978-04 |
April: Establishment of Hokkaido Nichii Co., Ltd. |
| 1978-04-05 |
Established: April 5, 1978 |
| 1978-11 |
November: Opening of Store No. 1 "Nichii Ebetsu" and "Nichii Chitose" |
| 1980-03 |
March: Establishment of Hokuhō Co., Ltd. |
| 1992-03 |
March: Merger of Hokkaido Nichii Co., Ltd. and Hokuhō Co., Ltd. to form a new Hokkaido Nichii Co., Ltd. |
| 1996-07 |
July: Name changed to Mycal Hokkaido Co., Ltd. |
| 1996-09 |
September: Listed on the over-the-counter market |
| 1998-11 |
November: Listed simultaneously on the Second Section of the Tokyo Stock Exchange and Sapporo Securities Exchange |
| 2000-02 |
February: Designated as the First Section of the Tokyo Stock Exchange |
| 2000-09 |
September: Merged with Muroran Family Department Store Co., Ltd. and Nemuro Family Department Store Co., Ltd. : Opened "Aeon Kushiro Showa Shopping Center" as the first JUSCO store in the Aeon Group in September, and in November, the first "Aeon Sapporo Hiraoka Shopping Center" in Sapporo. |
| 2002-01 |
January: Name changed to Posful Co., Ltd. |
| 2002-05 |
May: Store name changed from Saty to "Posful" |
| 2003-11 |
November: Business and capital alliance with Aeon Co., Ltd. |
| 2007-04 |
April: Signed a company split agreement to succeed the general retail business of Aeon Co., Ltd. in Hokkaido: Made a third-party allotment to Aeon Co., Ltd. and became a consolidated subsidiary. |
| 2007-08 |
August: Birth of "Aeon Hokkaido Co., Ltd.": Succeeded 11 Jusco stores of Aeon Co., Ltd. and renamed to "Aeon Hokkaido Co., Ltd." |
| 2008-04 |
April: Opened the first new store "Aeon Nayoro Shopping Center" in Hokkaido. |
| 2008-06 |
June: Introduced the discontinuation of free plastic bag distribution for the first time at Jusco Tomakomai store, and started at all stores in the same year. |
| 2008-07 |
July: Introduced Eco Store at "Aeon Tomakomai Shopping Center" in Hokkaido for the first time. |
| 2008-12 |
December: Launch of the online supermarket "Online Easy Home Delivery" at Jusco Sapporo Soen Store |
| 2009-04 |
April: Company-wide certification acquisition of ISO14001 |
| 2009-12 |
December: Hokkaido and AEON Hokkaido Co., Ltd. sign a comprehensive partnership agreement |
| 2010-05 |
May: Opening of "AEON Sapporo Nishioka Shopping Center" |
| 2011-03 |
March: Change of store names from Posful and Jusco to "AEON" |
| 2011-07 |
July: Hokkaido and AEON Co., Ltd. sign a comprehensive partnership agreement: Issuance of "Hokkaido Heritage WAON" used for preservation activities of Hokkaido heritage |
| 2011-11 |
November: Establishment of online supermarket delivery system throughout Hokkaido excluding Hakodate area: Renovation of "AEON Akkeshi Store" to a low-cost operation, price-boosted store: The same format is applied to "AEON Asahikawa Shunkō Store" and "AEON Nemuro Store" the following year |
| 2012-03 |
March: Opening of the first "My Basket" store, "My Basket Minami 5-Jo Nishi 10-Chome Store" |
| 2013-03 |
March: Opening of the first "AEON Bike" store, "AEON Bike Kitami Store" |
| 2013-04 |
April: Establishment of the "Online Easy Home Delivery Center" at AEON Suc Teine Yamaguchi Store |
| 2014-01 |
January: Sapporo City and AEON Co., Ltd. sign the "Sapporo Urban Development Partnership Agreement" |
| 2014-03 |
March: Issuance of "Creative City Sapporo WAON" used for promoting culture and arts in Sapporo |
| 2014-10 |
October: Hakodate City and AEON Co., Ltd. sign a "City Development Agreement": Issuance of "Hakodate WAON" used for child-rearing support projects in Hakodate |
| 2015-01 |
January: Asahikawa City and AEON Co., Ltd. sign a comprehensive partnership agreement |
| 2015-03 |
March: Issuance of "Asahikawa WAON" to promote the revitalization of Asahikawa's central urban area and enhance the appeal of Asahiyama Zoo: Opening of "AEON Asahikawa Ekimae Store" as a core store of AEON Mall Asahikawa Station |
| 2015-07 |
July: Business transfer of Daiei Inc.'s GMS business in Hokkaido through a company split (simplified absorption-type split): Signing of an absorption split agreement |
| 2015-09 |
September: Succession of 9 Daiei stores |
| 2016-08 |
August: Tomakomai City and AEON Hokkaido Co., Ltd. sign a memorandum on the utilization of IC cards, etc.: First in Hokkaido to issue "TomaChop WAON" integrated with local points |
| 2016-09 |
September: Launch of the online supermarket "Online Easy Home Delivery" at AEON Kamiiso Store: Establishing an immediate delivery system throughout Hokkaido excluding remote islands |
| 2017-02 |
February: Issuance of "Sapporo Snow Miku WAON" for promoting tourism in Sapporo |
| 2017-10 |
October: Obihiro City and AEON Co., Ltd. signed a comprehensive partnership agreement: The "Tokachi Obihiro WAON" will be issued to support child-rearing and education environment in Obihiro City and to enhance the zoo |
| 2018-08 |
August: Kushiro City and AEON Co., Ltd. signed a regional cooperation agreement |
| 2018-09 |
September: The "Kushiro WAON" will be issued to promote and nurture culture and sports for children in Kushiro City, protect natural environments such as red-crowned cranes and Lake Akan's Marimo, and improve Kushiro City Zoo environment |
| 2018-10 |
October: Signed a basic agreement for the management integration of AEON Hokkaido Co., Ltd. and MaxValu Hokkaido Co., Ltd. |
| 2019-04 |
April: Signed a merger agreement between AEON Hokkaido Co., Ltd. and MaxValu Hokkaido Co., Ltd. |
| 2019-07 |
July: Signed the "Sapporo Central City Area Town Development Partner Agreement" |
| 2019-08 |
August: Signed a comprehensive cooperation agreement with Monbetsu City |
| 2019-11 |
November: Signed a comprehensive cooperation agreement on collaborative town development with Kitami City |
| 2019-11 |
November: Tomakomai City and AEON Co., Ltd. signed a "Regional Revitalization Comprehensive Cooperation Agreement" |
| 2019-12 |
December: Chitose City and signed a comprehensive cooperation agreement on collaborative town development |
| 2020-02 |
February: Kushiro Town and signed a comprehensive cooperation agreement on collaborative town development |
| 2020-03 |
March: Management integration with MaxValu Hokkaido Co., Ltd. |
| 2021-08 |
August: Launched "AEON Ishikari PC" with a low-temperature logistics center and process center |
| 2021-12 |
December: Introduced the PPA model for MaxValu Numanohata and MaxValu Yayoi stores for the first time |
| 2022-01 |
January: Issued the local WAON "Sapporo Central City Area WAON" to support human resource development and securing in the Sapporo area |
| 2022-02 |
February: Signed a comprehensive cooperation agreement on collaborative town development with Nayoro City |
| 2022-02 |
February: Signed a comprehensive cooperation agreement with Muroran City for achieving a sustainable society |
| 2022-04 |
April: Transitioned to the Tokyo Stock Exchange new market segment "Standard Market" |
| 2022-06 |
June: Started the "Food Drive" initiative at AEON Sapporo Hiraoka store |
| 2022-12 |
December: Introduced the PPA model at MaxValu Nisshin store and The Big Tottori Odori store |
| 2024-10 |
October: Succession of 9 general supermarkets in Hokkaido region from Seiyu Co., Ltd. |
| 2025-08 |
August: Otaru City and AEON Co., Ltd. conclude a comprehensive partnership agreement: issuance of "Otaru WAON" used for promoting Otaru's town, people, and work creation |
| 2026-02 |
February: Signed comprehensive collaboration agreements with Akkeshi Town, Nemuro City, Hokuto City, and Shinhidaka Town |
| 2026-03 |
March: Formulated a medium-term management plan starting from FY2026: signed comprehensive collaboration agreements with Takikawa City and Noboribetsu City |