Item 9B. Other Information

On December 20, 2023, John J. Lupica, Vice Chairman, Chubb Group, and President, North America Insurance, adopted a "Rule 10b5-1 trading arrangement" as defined under Item 408 of SEC Regulation S-K. The trading arrangement provides for (i) the sale of up to 8,985 shares of Chubb's common stock and (ii) the potential exercise of 25,479 stock options expiring December 20, 2025, and the associated sale of up to 25,479 shares of Chubb's common stock. The arrangement is scheduled to expire on December 20, 2025, subject to earlier termination in accordance with its terms, or upon the completion of all authorized transactions under the plan.

During the three months ended December 31, 2023, no other director or officer of Chubb (as defined in Rule 16a-1(f) under the Exchange Act) informed us of the adoption or termination of a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as those terms are defined in Item 408 of SEC Regulation S-K.