X0306 4 2022-02-08 0 0001160951 DUCK CREEK TECHNOLOGIES, INC. DCT 0001259970 CHIPPARI VINCENT A C/O DUCK CREEK TECHNOLOGIES, INC. 22 BOSTON WHARF ROAD BOSTON MA 02210 0 1 0 0 Chief Financial Officer Common Stock, par value $0.01 per share 2022-02-08 4 S 0 25000 24.29 D 160137 D The reported price is a weighted average price (rounded to the nearest cent). These shares were sold in multiple transactions at prices ranging from $24.00 to $24.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Christopher R. Stone as Attorney-in-Fact 2022-02-09