Charles S Macfarlane

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
6 Feb 25	OTTR Otter Tail	Common Stock	Payment of exercise	Dispose F	No	No	78.99	4,464	352.61 k	200,490
6 Feb 25	OTTR Otter Tail	Common Stock	Option exercise	Acquire M	No	No	0	9,525	0.00	204,954
6 Feb 25	OTTR Otter Tail	RSU Common Stock	Option exercise	Dispose M	No	No	0	1,975	0.00	5,925
6 Feb 25	OTTR Otter Tail	RSU Common Stock	Option exercise	Dispose M	No	No	0	2,500	0.00	5,000
6 Feb 25	OTTR Otter Tail	RSU Common Stock	Option exercise	Dispose M	No	No	0	2,175	0.00	2,175
6 Feb 25	OTTR Otter Tail	RSU Common Stock	Option exercise	Dispose M	No	No	0	2,875	0.00	0
12 Mar 24	OTTR Otter Tail	Common Stock	Gift	Dispose G	Yes	No	0	23,046	0.00	0
6 Feb 24	OTTR Otter Tail	Common Stock	Payment of exercise	Dispose F	No	No	93.33	4,475	417.65 k	185,428
6 Feb 24	OTTR Otter Tail	Common Stock	Option exercise	Acquire M	No	No	93.33	9,550	891.30 k	189,903
6 Feb 24	OTTR Otter Tail	Common Stock	Payment of exercise	Dispose F	No	No	93.33	29,576	2.76 mm	180,353

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.