X0306 4 2021-11-03 1 0001828108 Aurora Innovation, Inc. AUR 0001824755 Thompson Michael N. Jr. C/O REINVENT TECHNOLOGY PARTNERS Y 215 PARK AVENUE, FLOOR 11 NEW YORK NY 10003 0 0 0 1 FORMER OFFICER AND DIRECTOR Class A Common Stock 2021-11-03 4 A 0 430000 10.00 A 430000 D Class B Common Stock 2021-11-03 4 A 0 1174642 A Class A Common Stock 1174642 1174642 I See Footnote Reflects Issuer's Class A common stock acquired from the Issuer pursuant to a Subscription Agreement in connection with the business combination of Reinvent Technology Partners Y (the former name of the Issuer) and Aurora Innovation Holdings, Inc. (formerly known as Aurora Innovation, Inc.) ("Aurora") (such business combination, the "Business Combination"), which closed on November 3, 2021. The reporting person resigned as a director and as an officer of the Issuer upon consummation of the Business Combination. Each share of Issuer Class B common stock is convertible at any time by the holder into one share of Issuer Class A common stock. Pursuant to the terms of the Issuer's charter (the "Charter"), each share of Issuer Class B common stock (i) is convertible at any time by the holder into one share of Issuer Class A common stock and (ii) automatically converts into one share of Issuer Class A common stock upon transfer to a recipient that is not a permitted transferee, upon the death of the holder, or as otherwise set forth in the Charter. Upon the consummation of, and pursuant to, the Business Combination, shares of Class B Stock of Aurora held by Reinvent Capital Fund LP ("Reinvent Capital Fund") were cancelled and converted into 1,174,642 shares of the Issuer's Class B common stock at a deemed value of $10.00 per share. Reflects securities held directly by Reinvent Capital Fund. The reporting person may be deemed a beneficial owner of securities held by Reinvent Capital Fund by virtue of his shared control over and indirect pecuniary interest in Reinvent Capital Fund. The reporting person disclaims beneficial ownership of the securities held by Reinvent Capital Fund, except to the extent of his pecuniary interest therein. /s/ David Cohen as attorney-in-fact for Michael Thompson 2021-11-05