X0206 3 2021-07-14 0 0001531177 Sight Sciences, Inc. SGHT 0001413224 Hicks Mack H. 2200 ROSS AVENUE, SUITE 5000 DALLAS TX 75201 1 0 1 0 0001810192 HEP Partners LLC 2200 ROSS AVENUE, SUITE 5000 DALLAS TX 75201 0 0 1 0 0001872481 HH Sight LLC 2200 ROSS AVENUE, SUITE 5000 DALLAS TX 75201 0 0 1 0 0001872472 HH Sight Partners GP, L.P. 2200 ROSS AVENUE, SUITE 5000 DALLAS TX 75201 0 0 1 0 0001667542 HH Sight Partners, L.P. 2200 ROSS AVENUE, SUITE 5000 DALLAS TX 75201 0 0 1 0 0001667541 HH-IOP Partners, L.P. 2200 ROSS AVENUE, SUITE 5000 DALLAS TX 75201 0 0 1 0 0000938201 HICKS THOMAS O 2200 ROSS AVENUE, SUITE 5000 DALLAS TX 75201 0 0 1 0 Common Stock 86206 I See footnotes Series A Redeemable Convertible Preferred Stock Common Stock 1884056 I See footnotes Series B Redeemable Convertible Preferred Stock Common Stock 256736 I See footnotes Series C Redeemable Convertible Preferred Stock Common Stock 528738 I See footnotes Series B Redeemable Convertible Preferred Stock Common Stock 1382430 I See footnotes Series C Redeemable Convertible Preferred Stock Common Stock 334710 I See footnotes This statement is jointly filed by and on behalf of each of Mack H. Hicks, Thomas O. Hicks, HH Sight Partners, L.P. ("HH Sight Partners"), HH-IOP Partners, L.P. ("HH-IOP"), HH Sight Partners GP, L.P. (the "GP"), HH Sight LLC (the "GP of GP"), and HEP Partners LLC ("HEP"). HH Sight Partners, HH-IOP, and Mack H. Hicks, as Trustee of the MHH 2016 Descendants Trust, are the direct beneficial owners of the securities covered by this statement. The GP is the general partner of, and may be deemed to beneficially own securities owned by, each of HH Sight Partners and HH-IOP. The GP of the GP is the general partner of, and may be deemed to beneficially own securities owned by, the GP. Mack H. Hicks and Thomas O. Hicks are the co-managers of, and may each be deemed to beneficially own securities owned by, the GP of the GP. HEP is the investment manager of, and may be deemed to beneficially own securities owned by, each of HH Sight Partners and HH-IOP. Thomas O. Hicks is the Chairman, President, and Chief Executive Officer of, and may be deemed to beneficially own securities owned by, HEP. Each reporting person states that neither the filing of this statement nor anything herein shall be deemed an admission that such person is, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Act") or otherwise, the beneficial owner of any securities covered by this statement. Each reporting person disclaims beneficial ownership of the securities covered by this statement, except to the extent of the pecuniary interest of such person in such securities. Each reporting person may be deemed to be a member of a group with respect to the issuer or securities of the issuer for purposes of Section 13(d) or 13(g) of the Act. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, a member of a group with respect to the issuer or securities of the issuer. This reportable security is held directly by Mack H. Hicks, as Trustee of the MHH 2016 Descendants Trust. The preferred stock is convertible into common stock on a 2 for 1 basis at the holder's election and will automatically convert upon closing of the initial public offering of the Issuer's common stock. The shares have no expiration date. These shares are held of record by the HH Sight Partners. HEP is the investment manager for the HH Sight Partners. These shares are held by HH-IOP. HEP is the investment manager for HH-IOP. HEP PARTNERS LLC, By: /s/ Thomas O. Hicks, Name: Thomas O. Hicks, Title: Managing Member 2021-07-14 HH SIGHT LLC, By: /s/ Mack H. Hicks, Name: Mack H. Hicks, Title: Co-Manager 2021-07-14 HH SIGHT PARTNERS GP, L.P., By: HH Sight LLC, Its: General Partner, By: /s/ Mack H. Hicks, Name: Mack H. Hicks, Title: Co-Manager 2021-07-14 HH SIGHT PARTNERS, L.P., By: HH Sight Partners GP, L.P., Its: General Partner, By: HH Sight LLC, Its: General Partner, By: /s/ Mack H. Hicks, Name: Mack H. Hicks, Title: Co-Manager 2021-07-14 HH-IOP PARTNERS, L.P., By: HH Sight Partners GP, L.P., Its: General Partner, By: HH Sight LLC, Its: General Partner, By: /s/ Mack H. Hicks, Name: Mack H. Hicks, Title: Co-Manager 2021-07-14 THOMAS O. HICKS, By: /s/ Thomas O, Hicks 2021-07-14 MACK H. HICKS, By: /s/ Mack H. Hicks 2021-07-14