| 1 | Altos Ventures IV Liquidity Fund L.P. Altos Hybrid 2 GP LLC Altos Hybrid 2 P-FIO LLC Altos Hybrid 2 V LLC Altos Hybrid 3 B LLC Altos Hybrid 3 GP LLC Altos Hybrid 3 M LLC Altos Hybrid 3 W LLC Altos Hybrid 4 GP LLC Altos Hybrid 4 GS LLC 10% Owner | 2021-03-15 20:43:01 | 0 105,675,853 | 105,675,853 | Form 4 |
| 2 | Altos Ventures IV Liquidity Fund L.P. Altos Hybrid 4 L.P. Altos Hybrid CC LLC Altos Hybrid HG LLC Altos Hybrid UP LLC Altos Management Partners IV LLC Altos Roblox 2020 Management Partners LLC Altos Roblox Management Partners LLC Altos Roblox SPV 1 LLC Altos Roblox SPV 2 LLC 10% Owner | 2021-03-15 20:43:45 | 0 105,675,853 | 105,675,853 | Form 4 |
| 3 | Index Ventures Growth III (Jersey) L.P. Yucca (Jersey) SLP Index Venture Growth Associates III Ltd 10% Owner | 2022-02-14 09:14:09 | 48,482,264 738,338 | 49,220,602 | Form 4 |
| 4 | Altos Ventures IV L.P. Altos Hybrid 2 GP LLC Altos Hybrid 4 GP LLC Altos Management Partners IV LR GP LLC Altos Management Partners IV LLC Altos Roblox 2020 Management Partners LLC Altos Roblox Management Partners LLC Nam Hodong Kim Han 10% Owner | 2025-02-14 17:36:14 | 22,416,191 0 | 22,416,191 | Form 13G |
| 5 | Altos Ventures IV L.P. Altos Ventures IV Liquidity Fund L.P. Altos Ventures IV Reserve Fund L.P. Altos Roblox SPV 1 LLC Altos Roblox SPV 2 LLC Altos Ventures Management Inc. Altos Roblox SPV 2020 LLC 10% Owner | 2025-02-14 17:36:14 | 22,416,191 0 | 22,416,191 | Form 13G |
| 6 | Altos Ventures IV L.P. Kim Han Nam Hodong Altos Hybrid 2 L.P. Altos Hybrid 4 L.P. 10% Owner | 2025-02-14 17:36:14 | 22,416,191 0 | 22,416,191 | Form 13G |
| 7 | Nam Hodong 10% Owner | 2024-05-01 20:21:46 | 0 4,996,152 | 4,996,152 | Form 4 |
| 8 | Meritech Capital Partners V L.P. Bischof George MADERA PAUL S Meritech Capital Affiliates V L.P. Meritech Capital Associates V L.L.C. Meritech Capital Partners V Sidecar L.P. Sherman Craig Ward Rob 10% Owner | 2021-03-12 16:53:15 | 0 4,919,616 | 4,919,616 | Form 4 |
| 9 | Baszucki David President & CEO 10% Owner | 2026-08-24 16:36:53 | 799,646 3,493,765 | 4,293,411 | Form 4 |
| 10 | Baszucki Gregory Director | 2026-10-02 17:55:13 | 3,889 2,991,336 | 2,995,225 | Form 4 |
| 11 | Guthrie Michael Chief Financial Officer | 2025-06-09 17:12:02 | 1,414,656 61,422 | 1,476,078 | Form 4 |
| 12 | Donato Craig Chief Business Officer | 2023-05-25 20:01:16 | 1,227,229 80,000 | 1,307,229 | Form 4 |
| 13 | Lee Anthony P Director | 2026-08-11 16:55:35 | 5,185 1,177,119 | 1,182,304 | Form 4 |
| 14 | Carvalho Christopher Director | 2026-05-29 16:15:04 | 1,112,098 40,968 | 1,153,066 | Form 4 |
| 15 | Sturman Daniel Chief Technology Officer | 2024-05-22 18:15:08 | 539,862 223,965 | 763,827 | Form 4 |
| 16 | Reinstra Mark Chief Legal Off. & Corp. Sec. | 2026-10-06 16:25:32 | 386,625 220,654 | 607,279 | Form 4 |
| 17 | Bronstein Manuel Chief Product Officer | 2025-08-22 16:16:03 | 443,222 0 | 443,222 | Form 4 |
| 18 | CHOPRA NAVEEN K. Chief Financial Officer | 2026-08-24 16:38:06 | 363,249 0 | 363,249 | Form 4 |
| 19 | Kaufman Matthew D Chief Safety Officer | 2026-08-24 16:40:44 | 335,060 0 | 335,060 | Form 4 |
| 20 | Messing Barbara CMKtg & Communications Officer | 2023-11-24 15:18:30 | 234,241 0 | 234,241 | Form 4 |
| 21 | Chakravarthy Arvind Chief People & Systems Officer | 2026-02-24 16:29:16 | 177,589 41,568 | 219,157 | Form 4 |
| 22 | BUCKLEY SEAN JACK Chief People & Systems Officer | 2026-08-25 16:29:20 | 87,213 0 | 87,213 | Form 4 |
| 23 | Rawlings Amy Marie Chief Accounting Officer | 2026-08-26 18:27:56 | 68,508 14,197 | 82,705 | Form 4 |
| 24 | Wong Andrea L Director | 2026-09-01 17:52:23 | 5,185 45,265 | 50,450 | Form 4 |
| 25 | KILAR JASON Director | 2026-08-24 16:35:18 | 21,519 0 | 21,519 | Form 4 |
| 26 | Gupta Deepika Principal Accounting Officer | 2022-05-25 21:16:59 | 21,443 0 | 21,443 | Form 4 |
| 27 | Mastantuono Gina Director | 2026-08-24 16:34:09 | 20,853 0 | 20,853 | Form 4 |
| 28 | Durkin Dennis M Director | 2026-05-29 16:10:39 | 8,709 7,700 | 16,409 | Form 4 |
| 29 | Tolley Brett Principal Accounting Officer | 2022-02-24 19:29:16 | 7,654 0 | 7,654 | Form 4 |