X0508 4 2024-07-08 0 0001859035 Mountain Crest Acquisition Corp. V MCAGU 0001811534 Liu Suying 524 BROADWAY 11TH FLOOR NEW YORK NY 10036 1 1 0 0 CEO and CFO 0 Common Stock 2024-07-08 4 J 0 2165800 A 2165800 I See Footnote Rights to purchase Common Stock 0 2024-07-08 4 J 0 223000 A Common Stock 22300 0 I See Footnote The shares of common stock are held by Mountain Crest Global Holdings LLC. On July 08, 2024, Dr. Suying Liu became the managing member of Mountain Crest Global Holdings LLC and therefore has sole voting and dispositive control over the shares of common stock held by Mountain Crest Global Holdings LLC. On July 08, 2024, Dr. Suying Liu became the managing member of Mountain Crest Global Holdings LLC and therefore has sole voting and dispositive control over the shares of common stock held by Mountain Crest Global Holdings LLC. The rights automatically convert into one-tenth (1/10) of a share of common stock upon the consummation of the issuer's initial business combination, as described in the issuer's prospectus filed with the SEC. The rights are held by Mountain Crest Global Holdings LLC. On July 08, 2024, Dr. Suying Liu became the managing member of Mountain Crest Global Holdings LLC and therefore entitles voting or dispositive control over the rights held by Mountain Crest Global Holdings LLC. By: /s/ Suying Liu Name: Suying Liu Title: Managing Member 2024-07-10