GRANITE CONSTRUCTION INC

Trading Arrangements

During the three months ended December 31, 2024, the following directors or officers, as defined in Rule 16a-1(f) of the Exchange Act, adopted, modified, orterminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K ("Item 408").

On November 5, 2024, Mr. Larkin’s Rule 10b5-1 trading arrangement, as such term is defined in Item 408, that he entered into on August 6, 2024 that provided for the sale of 30,000 shares automatically terminated pursuant to its terms. Mr. Larkin is the Company’s President and Chief Executive Officer.

On November 13, 2024, Mr. Radich, the Company's Executive Vice President and Chief Operating Officer, adopted a Rule 10b5-1 trading arrangement, as such term is defined in Item 408. The aggregate number of shares which may be sold under the plan is 10,000. The plan will terminate upon the earlier of February 6, 2026 or the completion of all the sales under the plan.

On November 19, 2024, Mr. Dowd, the Company’s Senior Vice President, Construction, adopted a Rule 10b5-1 trading arrangement, as such term is defined in Item 408. The aggregate number of shares which may be sold under the plan is 6,075. The plan will terminate upon the earlier of December 31, 2025 or the completion of all the sales under the plan.

On December 12, 2024, Mr. Larkin adopted a Rule 10b5-1 trading arrangement, as such term is defined in Item 408. The aggregate number of shares which may be sold under the plan is equal to 80% of the net shares Mr. Larkin will receive upon vesting of his TSR award that will be paid out in March 2025 and 80% of the net shares Mr. Larkin will receive upon vesting of his time-based restricted stock unit awards that will vest on March 14, 2025, including dividend equivalents. The plan will terminate upon the earlier of December 31, 2025 or the completion of all the sales under the plan.