Exhibit 99.1

Joint Filer Information

Name of Joint Filer:	Technology Crossover Management X, L.P.

Address of Joint Filer:	c/o TCV
	250 Middlefield Road
	Menlo Park, CA 94025

Relationship of Joint Filer to Issuer:	10% Owner; may be part of a 13(d) group

Issuer Name and Ticker or Trading Symbol:	GitLab Inc. [GTLB]

Date of Event Requiring Statement (Month/Day/Year):	October 14, 2021

Designated Filer:	Technology Crossover Management X, Ltd.

Signature:

Technology Crossover Management X, L.P.

Dated: October 29, 2021

Joint Filer Information

(continued)

Name of Joint Filer:	TCV X, L.P.

Address of Joint Filer:	c/o TCV
	250 Middlefield Road
	Menlo Park, CA 94025

Relationship of Joint Filer to Issuer:	10% Owner; may be part of a 13(d) group

Issuer Name and Ticker or Trading Symbol:	GitLab Inc. [GTLB]

Date of Event Requiring Statement (Month/Day/Year):	October 14, 2021

Designated Filer:	Technology Crossover Management X, Ltd.

Signature:

TCV X, L.P.

Dated: October 29, 2021

2

Joint Filer Information

(continued)

Name of Joint Filer:	TCV X (A), L.P.

Address of Joint Filer:	c/o TCV
	250 Middlefield Road
	Menlo Park, CA 94025

Relationship of Joint Filer to Issuer:	May be part of a 13(d) group

Issuer Name and Ticker or Trading Symbol:	GitLab Inc. [GTLB]

Date of Event Requiring Statement (Month/Day/Year):	October 14, 2021

Designated Filer:	Technology Crossover Management X, Ltd.

Signature:

TCV X (A), L.P.

Dated: October 29, 2021

3

Joint Filer Information

(continued)

Name of Joint Filer:	TCV X (B), L.P.

Address of Joint Filer:	c/o TCV
	250 Middlefield Road
	Menlo Park, CA 94025

Relationship of Joint Filer to Issuer:	May be part of a 13(d) group

Issuer Name and Ticker or Trading Symbol:	GitLab Inc. [GTLB]

Date of Event Requiring Statement (Month/Day/Year):	October 14, 2021

Designated Filer:	Technology Crossover Management X, Ltd.

Signature:

TCV X (B), L.P.

Dated: October 29, 2021

4

Joint Filer Information

(continued)

Name of Joint Filer:	TCV X Member Fund, L.P.

Address of Joint Filer:	c/o TCV
	250 Middlefield Road
	Menlo Park, CA 94025

Relationship of Joint Filer to Issuer:	May be part of a 13(d) group

Issuer Name and Ticker or Trading Symbol:	GitLab Inc. [GTLB]

Date of Event Requiring Statement (Month/Day/Year):	October 14, 2021

Designated Filer:	Technology Crossover Management X, Ltd.

Signature:

TCV X Member Fund, L.P.

Dated: October 29, 2021

5

TCV X (B), L.P. 3