COLUMN GROUP L P - 07 May 2021 Form 4 Insider Report for Nurix Therapeutics, Inc. (NRIX)

Footnote F1

Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by The Column Group, LP ("TCG LP") to its general and limited partners.

Footnote F2

The securities are directly held by TCG LP, and indirectly held by The Column Group GP, LP ("TCG GP"), the general partner of TCG LP. The managing partners of TCG GP are David Goeddel and Peter Svennilson (the "Managing Partners"). The Managing Partners may be deemed to have voting and investment power with respect to such shares. Each individual Managing Partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

Footnote F3

Represents a change in the form of ownership of TCG GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG LP.

Footnote F4

The securities are directly held by TCG GP. The Managing Partners may be deemed to share voting and investment power with respect to such shares. Each of the Managing Partners disclaim beneficial ownership of these shares, except to the extent of their respective pecuniary interest in such shares.

Footnote F5

Represents a change in the form of ownership of Peter Svennilson by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG LP.

Footnote F6

The securities are directly held by Peter Svennilson

Footnote F7

Represents a change in the form of ownership of David Goeddel by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG LP.

Footnote F8

The securities are directly held by David Goeddel.

Footnote F9

Represents a change in the form of ownership of Tim Kutzkey by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG LP.

Footnote F10

The securities are directly held by Tim Kutzkey.

Footnote F11

Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by TCG GP to its general and limited partners.

Footnote F12

Represents a change in the form of ownership of Peter Svennilson by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG GP.

Footnote F13

Represents a change in the form of ownership of David Goeddel by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG GP.

Footnote F14

Represents a change in the form of ownership of Tim Kutzkey by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG GP.

Footnote F15

Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by The Column Group II, LP ("TCG II LP") to its general and limited partners.

Footnote F16

The securities are directly held by TCG II LP, and indirectly held by The Column Group II GP, LP ("TCG II GP"), the general partner of TCG II LP. The managing partners of TCG II GP are the Managing Partners. The Managing Partners may be deemed to have voting and investment power with respect to such shares. Each individual Managing Partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

Footnote F17

Represents a change in the form of ownership of TCG II GP by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG II LP.

Footnote F18

The securities are directly held by TCG II GP. The Managing Partners may be deemed to share voting and investment power with respect to such shares. Each of the Managing Partners disclaim beneficial ownership of these shares, except to the extent of their respective pecuniary interest in such shares.

Footnote F19

Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by TCG II GP to its general and limited partners.

Footnote F20

Represents a change in the form of ownership of Peter Svennilson by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG II GP.

Footnote F21

Represents a change in the form of ownership of David Goeddel by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG II GP.

Footnote F22

Represents a change in the form of ownership of Tim Kutzkey by virtue of the receipt of shares as a result of the pro-rata in-kind distribution of common stock of the Issuer for no consideration by TCG II GP.

Footnote F23

The securities are directly held by Ponoi Capital, LP ("Ponoi LP"), and indirectly held by Ponoi Management, LLC ("Ponoi LLC"), the general partner of Ponoi LP. The managing partners of Ponoi LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.

Footnote F24

The securities are directly held by Ponoi Capital II, LP ("Ponoi II LP"), and indirectly held by Ponoi II Management, LLC ("Ponoi II LLC"), the general partner of Ponoi II LP. The managing partners of Ponoi II LLC are David Goeddel, Peter Svennilson and Tim Kutzkey. The managing partners of Ponoi II LLC may be deemed to have voting and investment power with respect to such shares. Each individual managing partner disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in such shares.