X0508 4 2025-01-29 0000066756 ALLETE INC ALE 0001944225 Skelton Joshua John 30 WEST SUPERIOR STREET DULUTH MN 55802 0 1 0 0 VP; COO-Minnesota Power 0 Common Stock 2025-01-29 4 A 0 1350.00 0 A 8448.27 D Common Stock 728.1 I By Spouse Common Stock 4928.49 I By RSOP Trust Common Stock 4092.79 I By RSOP Trust for Benefit of Spouse Includes shares acquired in exempt transactions under: (a) the dividend reinvestment feature of ALLETE's stock purchase and dividend reinvestment plan, (b) ALLETE's employee stock purchase plan, and (c) the dividend equivalent feature of restricted stock grants pursuant to ALLETE's executive long-term incentive compensation plan; all based on plan information available as of January 29, 2025. Includes shares acquired in exempt transactions under ALLETE's employee stock purchase plan, based on plan information available as of January 29, 2025. Includes shares acquired in exempt transactions pursuant to ALLETE's retirement savings and stock ownership plan (RSOP), based on RSOP plan information available as of January 29, 2025. Ingrid K. Johnson for Joshua J. Skelton 2025-01-31