Snowflake Inc.

Trading Plans

During our last fiscal quarter, our directors and/or officers (as defined in Rule 16a-1(f) under the Exchange Act)adopted orterminated the contracts, instructions, or written plans for the purchase or sale of the Company’s securities as set forth in the table below.

• Intended to satisfy the affirmative defense of Rule 10b5-1(c)

** Not intended to satisfy the affirmative defense of Rule 10b5-1(c)

(1)The actual number of shares subject to the trading arrangement under the Rule 10b5-1 Plan is expected to be different due to: (i) our withholding of certain shares to satisfy tax withholding obligations in connection with the vesting of restricted stock units; (ii) the amount of restricted stock units acquired following determination of the achievement of pre-established financial performance goals for fiscal year 2025; and (iii) the amount of whole shares distributed in connection with the vesting of restricted stock units due to rounding.

(2)The trading arrangement provides for gifts of up to 34,500 shares of our common stock.

Changes to Compensatory Arrangements

On March 19, 2025, we entered into a letter agreement and a consulting agreement attached as an exhibit thereto with Christopher W. Degnan (collectively, the Transition and Consulting Agreements), setting forth the terms of Mr. Degnan’s continued employment with us and his subsequent advisory role following his resignation as our Chief Revenue Officer on March 14, 2025 (Transition Date). The Transition and Consulting Agreements provide that, among other things: (i) during the period beginning on the Transition Date and ending on the last day of his employment, which will be no later than December 31, 2025 (Separation Date), Mr. Degnan will continue to be employed and will continue to receive his salary and remain eligible for participation in our corporate bonus plan and standard benefits, and his outstanding equity awards will continue to vest, (ii) subject to the conditions set forth therein, in the event that the Separation Date occurs before December 31, 2025, Mr. Degnan will be entitled to certain severance benefits, and (iii) following the Separation Date, Mr. Degnan will serve as an independent contractor for a six-month term and his outstanding equity awards will continue to vest in accordance with their terms during such period.

The foregoing description of the Transition and Consulting Agreements does not purport to be complete and is qualified in its entirety by reference to the Transition and Consulting Agreements, which are attached hereto as Exhibit 10.20 and are incorporated herein by reference.