EXAGEN INC. — Director's Dealing 2020

May 22, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: EXAGEN INC. (XGN)
CIK: 0001274737
Period of Report: 2020-05-20

Reporting Person: TULLIS JAMES L L (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-20	Common Stock	J	1162	$0.00	Disposed	1624003	Indirect
2020-05-20	Common Stock	J	582	$0.00	Acquired	42174	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1431	Indirect
Common Stock	4537	Indirect

Footnotes

F1: Tullis Growth (as defined in Footnote 2 below) distributed in the aggregate 1,162 shares of Common Stock of Exagen Inc. (the "Shares") to its general partner, and its general partner then distributed the Shares to its members on a pro rata basis, for no consideration, including 582 of such Shares to James L.L. Tullis.

F2: The shares reported on this form are held of record by Tullis-Dickerson Capital Focus III, L.P. ("Tullis"), Tullis Growth Fund, L.P. ("Tullis Growth") and Tullis Growth Fund II, L.P. ("Tullis Growth II"). Tullis-Dickerson Partners III, LLC ("Tullis Partners") is the general partner of Tullis and may be deemed to beneficially own the securities held by Tullis. Tullis Growth Partners, LLC and Tullis Growth Partners II, LLC are the general partners of Tullis Growth and Tullis Growth II, respectively, and may be deemed to beneficially own the securities held by Tullis Growth and Tullis Growth II. James L.L. Tullis is a Principal of each of the foregoing entities and may be deemed to possess voting and investment control over, and may be deemed to have an indirect beneficial ownership with respect to, the shares held by Tullis, Tullis Growth and Tullis Growth II.