GREENBRIER COMPANIES INC

Trading Plan Arrangements

During the three months ended August 31, 2024 the following officer, as defined in Rule 16a-1(f) of the Exchange Act, adopted a “Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K, as follows:

On July 18, 2024, William Krueger, Senior Vice President, Chief Operations Officer, The Americas, adopted a Rule 10b5-1 trading arrangement providing for the sale of an aggregate of up to 10,892 shares of our common stock acquired by Mr. Krueger pursuant to our Stock Incentive Plan, and an additional number of shares that will be acquired upon the vesting of restricted stock units and performance based restricted stock units that is not currently determinable as the number will vary based on the extent to which vesting conditions are satisfied and the number of shares of our common stock withheld or sold to pay taxes at the time of settlement. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The first date that sales of any shares are permitted to be sold under the trading arrangement will be November 1, 2024, and subsequent sales under the trading arrangement may occur on a regular basis for the duration of the trading arrangement until November 3, 2025, or earlier if all transactions under the trading arrangement are completed.

No other officers or directors, as defined in Rule 16a-1(f), adopted and/or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as defined in Item 408 of Regulation S-K, during the three months ended August 31, 2024.