X0306 4 2021-08-20 0001849902 Mercury Ecommerce Acquisition Corp MEAC 0001859560 Garrou Marshall Blair 3737 BUFFALO SPEEDWAY, SUITE 1750 HOUSTON TX 77098 true true Class B common stock 2021-07-30 4 J 0 520875 0 D Class A common stock 520875 3465375 I See Footnote The Class B ordinary shares will automatically convert into the Issuer's Class A ordinary shares at the time of the Issuer's initial business combination on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, and has no expiration date. This Form 4 reflects the automatic surrender to the Issuer of 520,875 shares of Class B common stock for no consideration by Mercury Sponsor Group I LLC pursuant to contractual arrangements with the Issuer, triggered by the election by the underwriter of the issuer's initial public offering not to exercise its option to purchase additional units. Mercury Sponsor Group I LLC is the record holder of the shares reported herein. M. Blair Garrou is a manager of Mercury Sponsor Group I LLC. Affiliates of M. Blair Garrou own 50% of the economic interest of Mercury Sponsor Group I LLC. As such, M. Blair Garrou may be deemed to have beneficial ownership of the Class B common stock held directly by Mercury Sponsor Group I LLC. M. Blair Garrou disclaims beneficial ownership over any securities owned by Mercury Sponsor Group I LLC in which he does not have any pecuniary interest. /s/ M. Blair Garrou 2021-08-24