OSAKA, Japan, November 16, 2023 - Shionogi & Co., Ltd. (Head Office: Osaka, Japan; Chief Executive Officer: Isao Teshirogi, Ph.D.; hereafter "Shionogi") is pleased to announce that its joint venture company with M3, Inc. (Head Office: Tokyo, Japan; Chief Executive Officer: Itaru Tanimura; hereafter "M3"), Stream-I, Inc. (Head Office: Osaka, Japan; Chief Executive Officer: Yosuke Miharu; hereafter "Stream-I"), will begin offering a new home palliative care support service, "Home Care Base", domestically starting December 2023.