'MatsuKiyoCocokara Rilakkuma and Relaxing Shopping Campaign' to be held at Matsumotokiyoshi and Cocokara Fine stores nationwide from Saturday, May 16, 2026

San-X Co., Ltd. (Chiyoda-ku, Tokyo) announces the 'MatsuKiyoCocokara Rilakkuma and Relaxing Shopping Campaign' to be held at Matsumotokiyoshi and Cocokara Fine stores nationwide starting Saturday, May 16, 2026.

During the campaign period, numerous activities will be available, including the sale of original goods at limited stores, a lottery giveaway for a total of 580 winners, limited-quantity first-come, first-served gifts, as well as the appearance of 'Rilakkuma' on photo stand-ins with newly drawn designs at limited stores and on the official MatsuKiyoCocokara app.

Collaboration Campaign Overview Campaign Period: Saturday, May 16, 2026 – Wednesday, July 15, 2026 Location: Matsumotokiyoshi and Cocokara Fine stores nationwide (some activities at limited stores) Special Website: https://bit.ly/4s7qfFR SNS: ・MatsuKiyoCocokara Official X (@matsucoco_co) https://x.com/matsucoco_co ・MatsuKiyoCocokara Campaign X (@mcc_cp) *Posts photos of prizes and products https://x.com/mcc_cp

◆Sale of Original Goods at Limited Matsumotokiyoshi and Cocokara Fine Stores Four original merchandise items will be released at limited Matsumotokiyoshi and Cocokara Fine stores starting Saturday, May 16. *Limited quantity, available while supplies last. *Please check the special website for participating stores.

◆Win Original Goods! Three Lottery Campaigns for 580 Winners in Total ①Purchase to Enter A campaign where 500 people in total can win Rilakkuma collaboration original goods. You can enter once with a receipt showing a purchase of one or more eligible products and meeting the required amount for each course. - Course A: Purchase of 3,000 JPY (tax incl.) or more - 'Original Plush Toy 4-piece Set' for 100 winners - Course B: Purchase of 1,000 JPY (tax incl.) or more - 'Original Sauna Hat & Mini Shopping Basket' for 200 winners - Course C: Purchase of 1,000 JPY (tax incl.) or more - 'MatsuKiyoCocokara & Company exclusive QUO Card Pay 1,000 JPY' for 200 winners Application Period: Saturday, May 16, 2026 – Wednesday, July 22, 2026, 23:59 Receipt Period: Saturday, May 16, 2026 – Wednesday, July 15, 2026, 23:59 *Application conditions differ for each course.

②Answer a Quiz to Enter A campaign where you can enter by linking the LIPS app with the MatsuKiyoCocokara official app and answering a quiz on the dedicated form. The prize is a pouch with a collaboration-exclusive design, convenient for storing cosmetics, skincare, or accessories. Application Period: Saturday, May 16, 2026 – Wednesday, July 15, 2026, 23:59

③Enter on X A campaign where you can enter by following the MatsuKiyoCocokara X account and quote-posting the target post with the hashtag '#マツココリラックマ'. Winners will be drawn to receive an 'Eco-bag & Face Towel & MatsuKiyoCocokara products worth 5,000 JPY'. The designs differ for the 1st and 2nd rounds, with the eco-bag resembling a plastic bag and the face towel resembling a receipt. 1st Round Application Period: Saturday, May 16, 2026 – Monday, June 15, 2026, 23:59 2nd Round Application Period: Tuesday, June 16, 2026 – Wednesday, July 15, 2026, 23:59

◆Get Limited Collaboration Items! Two First-Come, First-Served Gift Promotions ①Get it at the store! Limited Quantity First-Come, First-Served Gift｜2 Rounds Customers who make a purchase of 1,000 JPY (tax incl.) or more at Matsumotokiyoshi and Cocokara Fine stores will receive one item, either a card case (4 random designs) or a slider pouch (2 random designs), on a first-come, first-served basis. [Round 1] Receive via MatsuKiyoCocokara Official App Exclusive to MatsuKiyoCocokara app members, present the redemption screen at checkout for a purchase of 1,000 JPY (tax incl.) or more to receive one 'Card Case (4 random designs)' on a first-come, first-served basis. [Round 2] Receive via LIPS App At limited Matsumotokiyoshi and Cocokara Fine stores, present the LIPS app screen at checkout for a purchase of 1,000 JPY (tax incl.) or more to receive one 'Slider Pouch (2 random designs)' on a first-come, first-served basis. <Redemption Period> Round 1 Redemption Period: Saturday, May 16, 2026 – Wednesday, July 15, 2026 Round 2 Redemption Period: Tuesday, June 16, 2026 – Wednesday, July 15, 2026 *Limited quantity, available while supplies last. *Please check the special website for participating stores.

②Get it by purchasing eligible products! Limited Quantity First-Come, First-Served Gift｜2 Rounds At some Matsumotokiyoshi and Cocokara Fine stores, customers who purchase eligible products and present the redemption screen will receive one 'Rilakkuma' collaboration item on a first-come, first-served basis. As these are available in limited quantities, please purchase the eligible products at the store. <Eligible Gift>