John Derby

Currently holds a position at Chase Corp

2.2

2.2

Position	Company	Period
Independent Director	Chase Corp	Jan. 1, 2015 -
Independent Director	Research Frontiers Inc	Jan. 1, 2011 - June 13, 2013

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Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2026-05-29	2026-05-29	The North American Income Trust plc	B Purchase	14,499 456.03 £4,192,454	14,499	456.03	£4,192,454
2021-05-21	2021-05-18	Chase Corp (CCF)	S Sale	8,915 +42.8% 125.67 US$1,375,426	8,915 +42.8%	125.67	US$1,375,426