X0306 4 2022-09-16 0 0001653482 Gitlab Inc. GTLB 0001886054 Johnson Eric David C/O GITLAB INC. NOT APPLICABLE DE 0 1 0 0 Chief Technology Officer Class A Common Stock 2022-09-16 4 F 0 710 57.48 D 55469 D Represents shares of GitLab Inc.'s (the "Company") Class A Common Stock sold to satisfy the reporting person's tax obligations arising as a result of the vesting of a portion of a restricted stock unit award. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.98 to $57.49, inclusive. The reporting persons undertake to provide to GitLab Inc., any security holder of GitLab Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. Includes shares of Class A Common Stock that have not yet vested. This also includes vested shares from the Company's Employee Stock Purchase Plan. /s/ Robin Schulman, Attorney-in-Fact for Eric David Johnson 2022-09-20