Klaviyo, Inc. — fact timeline

Klaviyo, Inc. shareholders approved Ratification of Appointment of Independent Registered Public Accounting Firm at the 2026-06-09 meeting.

“Proposal Three: Ratification of Appointment of Independent Registered Public Accounting Firm The Company’s stockholders ratified the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. The results of such vote were as follows: For Against Abstain 1,537,384,843 428,789 166,380”

Klaviyo, Inc. shareholders approved Approval, on a Non-Binding Advisory Basis, of the Compensation of the Company’s Named Executive Officers at the 2026-06-09 meeting.

“Proposal Two: Approval, on a Non-Binding Advisory Basis, of the Compensation of the Company’s Named Executive Officers The Company’s stockholders approved, on a non-binding advisory basis, the compensation of the Company’s named executive officers. The results of such vote were as follows: For Against Abstain Broker Non-Votes 1,494,346,600 18,300,389 88,413 25,244,610”

Klaviyo, Inc. shareholders approved Election of Class III Directors at the 2026-06-09 meeting.

“Proposal One: Election of Directors The Company’s stockholders elected each of Jennifer Ceran, Chano Fernández, and Susan St. Ledger to serve as a Class III director of the Company’s board of directors, each to hold office until the Company’s annual meeting of stockholders in 2029 and until their successor is duly elected and qualified, or until their earlier death, resignation, or removal. The results of such vote were as follows: Nominee For Withhold Broker Non-Votes Jennifer Ceran 1,491,231,986 21,503,416 25,244,610 Chano Fernández 1,510,072,875 2,662,527 25,244,610 Susan St. Ledger 1,509,767,602 2,967,800 25,244,610”

Klaviyo, Inc. reported first quarter ended March 31, 2026 results: revenue $358.0 million, EPS $0.03. Guidance raised.

“Klaviyo Delivers Strong Q1 2026 Results: 28% Revenue Growth, Record Operating Margin, and Raises Full Year Outlook First quarter revenue of $358.0 million, representing 28% year-over-year growth Raises FY26 revenue guidance to $1.514 billion to $1.522 billion, for year-over-year growth of 23% BOSTON, May 5, 2026 — Klaviyo (NYSE: KVYO), the autonomous B2C CRM, today announced results for its first quarter ended March 31, 2026. “Q1 reflected strong momentum across our business as Klaviyo’s autonomous strategy continues to take hold, with 28% revenue growth and our strongest operating margin as a public company,” said Andrew Bialecki, co-founder and co-CEO of Klaviyo. “More brands than ever are utilizing more of Klaviyo’s platform to drive better results. Delivering meaningful customer experiences at scale requires AI grounded in real data. Agents are only as good as the systems beneath them, and we’ve spent 14 years building exactly that foundation.” Recent Business Highlights (all figur”

Amanda Whalen departed as Chief Financial Officer at Klaviyo, Inc..

“On May 1, 2026, Amanda Whalen informed the Company of her intention to step down from her role as Chief Financial Officer of the Company.”

Klaviyo, Inc.: Amended and restated bylaws to allow up to two Chief Executive Officers (effective 2025-12-08).

“On December 8, 2025, the Board approved an amendment and restatement of the Company’s Amended and Restated Bylaws (the “Second Amended and Restated Bylaws”) to allow for up to two Chief Executive Officers under Article III of the Second Amended and Restated Bylaws.”

Klaviyo, Inc. reported first quarter ended March 31, 2024 results: revenue $210.0 million, net income $(0.05), EPS $(0.05). Guidance reaffirmed.

“Klaviyo Announces First Quarter 2024 Financial Results First quarter revenue of $210.0 million, representing 35% year-over-year growth”

Klaviyo, Inc. reported fourth quarter and fiscal year ended December 31, 2023 results: revenue $201.6 million, EPS $(0.10). Guidance initiated.

“set forth by specific reference in such filing. --- EX-99.1 (EX-99.1) --- Klaviyo Announces Fourth Quarter and Fiscal Year 2023 Financial Results Fourth quarter revenue of $201.6 million, representing 39% year-over-year growth Expanded platform with launch of Klaviyo AI BOSTON, February 27, 2024 — Klaviyo (NYSE: KVYO), the company that powers smarter digital”