X0306 4 2021-11-18 0 0001477333 Cloudflare, Inc. NET 0001598312 Underwood Paul D. C/O CLOUDFLARE, INC. 101 TOWNSEND STREET SAN FRANCISCO CA 94107 0 1 0 0 Chief Accounting Officer Class A Common Stock 2021-11-18 4 C 0 2000 A 15517 D Class A Common Stock 2021-11-18 4 S 0 2000 210.94 D 13517 D Class A Common Stock 2021-11-19 4 C 0 10030 A 23547 D Employee Stock Option (right to buy) 9.97 2021-11-18 4 M 0 2000 0.00 D 2029-05-22 Class B Common Stock 2000 79500 D Class B Common Stock 2021-11-18 4 M 0 2000 0.00 A Class A Common Stock 2000 2000 D Class B Common Stock 2021-11-18 4 C 0 2000 0.00 D Class A Common Stock 2000 0 D Employee Stock Option (right to buy) 9.97 2021-11-19 4 M 0 10030 0.00 D 2029-05-22 Class B Common Stock 10030 109970 D Class B Common Stock 2021-11-19 4 M 0 10030 0.00 A Class B Common Stock 10030 10030 D Class B Common Stock 2021-11-19 4 C 0 10030 0.00 D Class B Common Stock 10030 0 D Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date. Includes 232 shares of Class A Common Stock acquired under the Issuer's employee stock purchase plan on November 15, 2021. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2021. The option is subject to an early exercise provision and is immediately exercisable. Shares subject to the option vest in 48 equal monthly installments beginning on September 13, 2019. The option is subject to an early exercise provision and is immediately exercisable. 1/4th of the shares vested on March 11, 2020 and 1/16th of the shares vest in 12 equal quarterly installments thereafter. /s/ Lindsey Cochran, by power of attorney 2021-11-22