X0508 4 2025-01-29 0000066756 ALLETE INC ALE 0001781477 Johnson Nicole Renee 30 WEST SUPERIOR STREET DULUTH MN 55802 0 1 0 0 VP; Pres.- ACE 0 Common Stock 2025-01-29 4 A 0 1543 0 A 11262.43 D Common Stock 5284.79 I By RSOP Trust Common Stock 65.41 I As custodian for child 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 pursuant to ALLETE's retirement savings and stock ownership plan (RSOP), based on RSOP plan information available as of January 29, 2025. Includes shares acquired in exempt transactions pursuant to the dividend reinvestment feature of ALLETE's stock purchase and dividend reinvestment plan based on plan information available as of January 29, 2025. Ingrid K. Johnson for Nicole R. Johnson 2025-01-31