KILROY REALTY, L.P. FIRST AMENDMENT Dated May 11, 2018 to NOTE PURCHASE AGREEMENT Dated September 14, 2016 Re: $175,000,000 3.35% Senior Notes, Series A, due February 17, 2027 $75,000,000 3.45% Senior Notes, Series B, due February 17, 2029Note Purchase Agreement • May 14th, 2018 • Kilroy Realty, L.P. • Real estate investment trusts • New York
