X0306 4 2017-06-08 0 0001626971 Corvus Pharmaceuticals, Inc. CRVS 0001553470 Gould Terry P C/O CORVUS PHARMACEUTICALS, INC. 863 MITTEN ROAD, SUITE 102 BURLINGAME CA 94010 1 0 1 0 Common Stock, $0.0001 par value 694854 I By Fund Common Stock, $0.0001 par value 715361 I By Fund Common Stock, $0.0001 par value 541133 I By Fund Common Stock, $0.0001 par value 736033 I By Fund Stock Option (Right to Buy) 9.70 2017-06-08 4 A 0 15000 0.00 A 2027-06-08 Common Stock 15000 15000 D Represents shares held directly by Adams Street 2011 Direct Fund LP ("AS 2011"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2011, may be deemed to beneficially own the shares held by AS 2011. Thomas S. Bremner, Jeffrey T. Diehl, Elisha ("Terry") P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2011. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2011 except to the extent of their pecuniary interest therein. Represents shares held directly by Adams Street 2012 Direct Fund LP ("AS 2012"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2012, may be deemed to beneficially own the shares held by AS 2012. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2012. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2012 except to the extent of their pecuniary interest therein. Represents shares held directly by Adams Street 2013 Direct Fund LP ("AS 2013"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2013, may be deemed to beneficially own the shares held by AS 2013. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2013. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2013 except to the extent of their pecuniary interest therein. Represents shares held directly by Adams Street 2014 Direct Fund LP ("AS 2014"). Adams Street Partners, LLC, as the managing member of the general partner of the general partner of AS 2014, may be deemed to beneficially own the shares held by AS 2014. Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), may be deemed to have shared voting and investment power over the shares held by AS 2014. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert disclaim beneficial ownership of the shares held by AS 2014 except to the extent of their pecuniary interest therein. The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of (i) the first anniversary of the grant date or (ii) the date of the 2018 Annual Meeting of the Issuer's stockholders, assuming continuous service as a director until such vesting date. This option was granted to Elisha P. Gould, a director of Corvus Pharmaceuticals, Inc. who is a partner of Adams Street Partners, LLC. Adams Street Partners, LLC is the managing member of the general partner of the general partners of each of Adams Street 2011 Direct Fund LP, Adams Street 2012 Direct Fund LP, Adams Street 2013 Direct Fund LP and Adams Street 2014 Direct Fund LP (such funds collectively, the "Funds"). By agreement with the Funds, Mr. Gould is deemed to hold the option for the benefit of the Funds. (Continued in Footnote 7) The option may be deemed to be indirectly beneficially owned by Adams Street Partners, LLC. Adams Street Partners, LLC and Thomas S. Bremner, Jeffrey T. Diehl, Elisha P. Gould, Robin Murray, Fred Wang and Michael R. Zappert, each of whom is a partner of Adams Street Partners, LLC (or a subsidiary thereof), disclaim beneficial ownership of the option except to the extent of their pecuniary interest therein. /s/ Leiv Lea, as Attorney-in-Fact for Terry P. Gould 2017-06-09