X0306 4 2021-06-01 0 0001315098 Roblox Corp RBLX 0001835039 Tolley Brett C/O ROBLOX CORPORATION 970 PARK PLACE SAN MATEO CA 94403 0 1 0 0 Principal Accounting Officer Class A Common Stock 2021-06-01 4 M 0 637 5.21 A 85432 D Class A Common Stock 2021-06-01 4 S 0 2200 94.0527 D 83232 D Class A Common Stock 2021-06-01 4 S 0 15384 94.9575 D 67848 D Class A Common Stock 2021-06-01 4 S 0 15195 96.0457 D 52653 D Class A Common Stock 2021-06-01 4 S 0 16858 96.914 D 35795 D Class A Common Stock 2021-06-01 4 S 0 1000 97.639 D 34795 D Stock Option (Right to Buy) 5.21 2021-06-01 4 M 0 239 0.00 D 2030-08-31 Class A Common Stock 239 11247 D Stock Option (Right to Buy) 5.21 2021-06-01 4 M 0 398 0.00 D 2030-08-31 Class A Common Stock 398 38409 D All of the sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the Reporting Person on March 23, 2021. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $93.38 to $94.37, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $94.40 to $95.38, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $95.45 to $96.41, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $96.45 to $97.43, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $97.47 to $97.90, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. 1/48th of the shares subject to the option vested on June 1, 2021, and 1/48th of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date. 1/48th of the shares subject to the option vested on November 1, 2020, and 1/48th of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date. /s/ Mark Reinstra Attorney-in-Fact for Brett Tolley 2021-06-03