X0306 4 2021-11-29 0 0001531177 Sight Sciences, Inc. SGHT 0001870875 Encrantz Staffan C/O SIGHT SCIENCES, INC. 4040 CAMPBELL AVE, SUITE 100 MENLO PARK CA 94025 1 0 0 0 Common Stock 2021-11-29 4 P 0 84254 18.84 A 3581372 I See Footnote Common Stock 2021-11-29 4 P 0 2200 19.06 A 3583572 I See Footnote Common Stock 2021-11-30 4 P 0 72135 19.44 A 3655707 I See Footnote Common Stock 2021-11-30 4 P 0 94969 20.40 A 3750676 I See Footnote Common Stock 2021-11-30 4 P 0 56836 20.96 A 3807512 I See Footnote Common Stock 2021-12-01 4 P 0 27716 21.43 A 3835228 I See Footnote Common Stock 2021-12-01 4 P 0 123931 22.36 A 3959159 I See Footnote Common Stock 2021-12-01 4 P 0 62959 22.92 A 4022118 I See Footnote Common Stock 632456 I See Footnote The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $18.05 to $19.03, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (4), (5), (6), (7), (8) , (9) and (10). These shares are held of record by Allegro Investment Fund, L.P. ("Allegro Investment Fund"). The Reporting Person is the President of Allegro Investment Inc., the investment manager of Allegro Investment Fund, and may be deemed to beneficially own the shares held by Allegro Investment Fund. The Reporting Person disclaims beneficial ownership of the shares held by Allegro Investment Fund (and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose), except to the extent of his pecuniary interest therein, if any. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $19.05 to $19.06, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $18.80 to $19.79, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $19.84 to $20.825, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.85 to $21.00, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.83 to $21.82, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $21.835 to $22.83, inclusive. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $22.835 to $22.975, inclusive. These shares are held of record by Allegro Investors LLC ("Allegro Investors"). The Reporting Person is a member of Allegro Investors and may be deemed to beneficially own the shares held by Allegro Investors. /s/ Jeremy Hayden, Attorney-in-Fact for Staffan Encrantz 2021-12-01