VARONIS SYSTEMS INC

Rule 10b5-1 Trading Plan

On November 24, 2024, Guy Melamed, our Chief Financial Officer and Chief Operating Officer, entered into a Rule 10b5–1 trading arrangement. Mr. Melamed's arrangement includes the potential sale of up to 151,534 shares of our common stock, and expires on September 2, 2025, unless earlier terminated in accordance with the provisions of the arrangement. Mr. Melamed’s arrangement is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act.

On November 24, 2024, James O’Boyle, our Vice Chairman – Sales, entered into a Rule 10b5–1 trading arrangement. Mr. O’Boyle’s arrangement includes the potential sale of up to 100,000 shares of our common stock, and expires on December 31, 2025, unless earlier terminated in accordance with the provisions of the arrangement. Mr. O’Boyle’s arrangement is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act.

On December 3, 2024, Fred Van den Bosch, Director, entered into a Rule 10b5–1 trading arrangement. Mr. Van den Bosch’s arrangement includes the potential sale of up to 18,000 shares of our common stock, and expires on December 15, 2025, unless earlier terminated in accordance with the provisions of the arrangement. Mr. Van den Bosch’s arrangement is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act.

Except as described above, during the fiscal quarter ended December 31, 2024, no director or officer of the Company adopted orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.

Change of Executive Officers

On February 3, 2025, in connection with a change in the reporting structure of the Company, James O' Boyle, the Company’s Vice Chairman - Sales, is no longer an executive officer of the Company, as defined under the Securities Exchange Act of 1934. In connection with this change, Greg Pomeroy, the current Senior Vice President - Worldwide Sales, became an executive officer of the Company.

Change of Corporate Headquarters

In the first quarter of 2025, the Company is relocating its corporate headquarters to Miami, Florida and its principal mailing address is 801 Brickell Avenue, Miami, Florida 33131. There is no change to the Company’s telephone number. All future correspondence and communications from stockholders and others to the Company should be directed to this address.