Transaction Details

Footnotes

Amendment of performance share unit award agreement resulting in acceleration of performance share unit grants. The performance share unit award was originally granted on August 6, 2024, and provides for vesting in any earned performance share units upon the payment date, defined as within sixty days after December 31, 2026. | The award represents a grant of restricted stock which vests ratably over a three-year period provided that Mrs. Winters remains continuously employed by Middlefield as of each vesting date. Until the award vests, the award confers no right to vote, no right to dividends, and no other shareholder rights to the recipient. The details of the vesting conditions may be found in a Form 8-K filing dated January 17, 2025. | Each restricted stock unit represents the right to receive, at settlement, one share of common stock. | The award represents a grant of restricted stock which vests ratably over a three-year period provided that Mrs. Winters remains continuously employed by Middlefield as of each vesting date. Until the award vests, the award confers no right to vote, no right to dividends, and no other shareholder rights to the recipient. The details of the vesting conditions may be found in a Form 8-K filing dated September 4, 2024.