Chandna Asheem bought RBRK

Footnotes

The shares were issued in exchange for shares of preferred stock of Predibase, Inc. ("Predibase") in connection with the merger of Predibase into a wholly owned subsidiary of the Issuer (the "Merger").; On the effective date of the Merger, the closing price of the Issuer's Class A common stock was $88.11 per share.; Greylock 16 GP LLC ("Greylock 16 GP") is the sole general partner of each of Greylock 16 Limited Partnership ("Greylock 16"), Greylock 16-A Limited Partnership ("Greylock 16-A") and Greylock 16 Principals Limited Partnership ("Greylock 16 Principals") and may be deemed to share voting and dispositive voting power with respect to the shares held directly by Greylock 16, Greylock 16-A and Greylock 16 Principals. The Reporting Person is one of the managing members of Greylock 16 GP, and may be deemed to share voting and investment power over the shares held by Greylock 16, Greylock 16-A and Greylock 16 Principals and may be deemed to have indirect beneficial ownership of an indeterminate number of such shares. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any.