AL J DOYLE's Stock Option Exercise in VICOR CORPORATION

On October 23, 2025, AL J DOYLE, an officer of VICOR CORPORATION, exercised stock options for 7,824 shares of common stock. The transaction was executed at a market value of $692,281.60. The shares were acquired from the issuer, and the payment was made in cash. This filing also confirms that there were no securities sold by AL J DOYLE in the past three months. The transaction was facilitated by Morgan Stanley Smith Barney LLC Executive Financial Services.