X0508 4 2026-01-07 0 0001025996 KILROY REALTY CORP NYSE: KRC 0001538554 Aman Angela M C/O KILROY REALTY CORPORATION 12200 W. OLYMPIC BLVD., SUITE 200 LOS ANGELES CA 90064 1 1 0 0 Chief Executive Officer 0 Common stock, par value $0.01 per share 2026-01-07 4 A 0 694.5443 0 A 112307.7427 D Common stock, par value $0.01 per share 2026-01-09 4 F 0 7458 39.82 D 104849.7427 D Common stock, par value $0.01 per share 2797 I BY REVOCABLE FAMILY TRUST Restricted Stock Units 2026-01-07 4 A 0 501.4004 0 A Common Stock 501.4004 36806.5021 D Grant of restricted stock units in respect of dividend equivalent rights with respect to underlying restricted stock unit awards previously reported on Table I, which were granted pursuant to the Kilroy Realty 2006 Incentive Award Plan and the terms of the applicable award agreement. Common stock tendered to pay tax withholding. Crediting of restricted stock units in respect of dividend equivalent rights with respect to underlying restricted stock unit awards previously reported on Table II, which were granted pursuant to the Kilroy Realty 2006 Incentive Award Plan and the terms of the applicable award agreement. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The reporting person was awarded performance units in 2024 covering a three-year performance period ending December 31, 2026. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2024 performance. The number of units reported reflects the additional minimum number of units eligible to vest as a result of the crediting of restricted stock units in respect of dividend equivalent rights. The units remain subject to additional time-based vesting requirements. /s/ Heidi R. Roth, as attorney-in-fact for Angela M. Aman 2026-01-09