X0306 4 2021-10-18 0 0001653482 Gitlab Inc. GTLB 0001886022 Sijbrandij Sytse C/O GITLAB INC. NOT APPLICABLE DE 1 1 1 0 Chief Executive Officer 0001888538 Rients.org BV C/O GITLAB INC. NOT APPLICABLE DE 0 0 1 0 Class A Common Stock 2021-10-18 4 C 0 2500000 0.00 A 2500000 I See footnote Class A Common Stock 2021-10-18 4 S 0 2500000 77.00 D 0 I See footnote Class B Common Stock 0.00 2021-10-18 4 C 0 2500000 0.00 D Class A Common Stock 2500000 21690901 I See footnote Each share of the Issuer's Class B common stock (the "Class B Stock") is convertible into one share of the Issuer's Class A common stock at any time and will convert automatically upon certain transfers and upon the earlier of (i) ten years from the date of the Issuer's initial public offering ("IPO"), (ii) the death or disability of the Reporting Person, (iii) the first date following the completion of the IPO on which the number of shares of outstanding Class B Stock (including shares of Class B Stock subject to outstanding stock options) is less than 5% of the aggregate number of shares of the Issuer's common stock then outstanding and (iv) the date specified by a vote of the holders of two-thirds of the then outstanding shares of Class B Stock. These securities are held by Rients.org BV, of which the Reporting Person is the sole owner. /s/ Robin Schulman, Attorney-in-Fact for Sytse Sijbrandij 2021-10-18 /s/ Robin Schulman, Attorney-in-Fact for Rients.org BV 2021-10-18