Lightspeed SPV II, LLC bought NTSK

Footnotes

Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").; Each share of Series B Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.; Each share of Series C Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.; The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.