X0508 4 2026-02-05 0 0001025996 KILROY REALTY CORP NYSE: KRC 0002032364 Stadler Lauren N C/O KILROY REALTY CORPORATION 12200 W. OLYMPIC BLVD., SUITE 200 LOS ANGELES CA 90064 0 1 0 0 See Remarks 0 Common stock, par value $0.01 per share 2026-02-05 4 A 0 4649 0 A 18268.2234 D Restricted Stock Units 2026-02-05 4 A 0 6837.9837 0 A Common Stock 6837.9837 6837.9837 D Award of restricted stock units granted pursuant to the Kilroy Realty 2006 Incentive Award Plan. Each restricted stock unit carries with it a right to receive dividend equivalents in respect of the share of stock underlying such restricted stock unit. Restricted stock units tendered to pay tax withholding. The reporting person was awarded performance units in 2025 covering a three-year performance period ending December 31, 2027. The number of units reported reflects the minimum number of units eligible to vest based on 2025 performance. The units remain subject to additional time-based vesting requirements. Up to an additional 13,675.97 units may vest for the three-year performance period based on the Issuer's performance for that three-year period. Executive Vice President, General Counsel and Secretary /s/ Lauren N. Stadler 2026-02-09