Insider Transaction Report for Black Hills Corp.

This filing details a transaction by Taylor Teresa, a director at Black Hills Corp. On May 1, 2026, Teresa acquired 1921 shares of Common Stock, indicated by transaction code "A". This acquisition, which appears to be a grant of restricted stock units as noted in footnote F1, brings the post-transaction total to 13645.6562 shares. The filing also notes a derivative holding of 10385.6725 Phantom Stock Units, convertible from Common Stock on a 1-for-1 basis, exercisable and expiring upon retirement.