①Overview: Gunma EXPO Challenge Support Subsidy funds exhibition participation for sales-channel expansion to new fields/regions. The eligible exhibition period has been extended to March 2027 using national price-hike supplementary budget, enabling earlier strategic planning. ②Eligible applicants: SMEs/mid-sized companies with main business location in Gunma Prefecture. ③Eligible expenses & benefit content: Exhibition fees, decoration/setup, advertising, interpretation/translation, plus survey costs for next-year overseas exhibition (overseas only). ④Rate, ceiling, schedule, application pointers: Domestic — 1/2 rate, JPY 1M cap. Overseas — 2/3 rate, JPY 2M cap. Exhibition window through 2027-03-14. Application deadline 2026-12-18. Forms via prefectural HP, email submission.