BLACKBAUD INC

Table of Contents

65 FAIRCHILD STREET

CHARLESTON, SC 29492

April 21, 2026

PROXY STATEMENT

The Board of Directors (the "Board" or "Board of Directors") of Blackbaud, Inc. (the "Company") is furnishing you this Proxy Statement to solicit proxies on its behalf to be voted at the 2026 Annual Meeting of Stockholders of Blackbaud, Inc. The meeting will be a live virtual meeting held via the Internet at https://www.virtualshareholdermeeting.com/BLKB2026 on Wednesday, June 10, 2026 at 4:00 p.m. Eastern Time. The proxies also may be voted at any adjournments or postponements of the meeting.

We are first furnishing the proxy materials including the Notice of Annual Meeting of Stockholders, this Proxy Statement, our 2025 Annual Report to Stockholders, including financial statements, and a proxy card for the meeting, by providing access to them via the Internet on April 21, 2026. All properly completed proxies submitted by Internet or telephone and properly executed written proxies that are delivered pursuant to this solicitation will be voted at the meeting in accordance with the directions given in the proxy, unless the proxy is revoked prior to completion of voting at the meeting.

Only owners of record and beneficial owners of common stock of the Company as of the close of business on the record date, April 13, 2026, are entitled to notice of, and to vote at, the meeting or at any adjournments or postponements of the meeting. Each owner of record and beneficial owner on the record date is entitled to one vote for each share of common stock held. Stockholders’ votes will be tabulated by persons appointed by the Board to act as inspectors of election for the meeting.

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON JUNE 10, 2026.

The Notice of Annual Meeting of Stockholders, Proxy Statement and 2025 Annual Report to Stockholders, including financial statements, are available at www.proxyvote.com.