On March 30, 2023, Ninos Sarkis, Chief Accounting Officer and principal accounting officer of Amplitude, Inc., provided notice of his intent to resign from his position with the company in order to pursue another opportunity. Mr. Sarkis's last day of service to the Company is currently expected to be on or about May 10, 2023. In addition, on March 30, 2023, the Board of Directors of the Company appointed Christopher Harms, the Chief Financial Officer and principal financial officer of the Company, as principal accounting officer.