Type	Name	Date
Indenture	First Supplemental Indenture, by and among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and U.S. Bank National Association, as trustee	09/17/2020
Credit agreement	CREDIT AGREEMENT	10/16/2018
Credit agreement	Second Amendment to Credit Agreement, by and among Corporate Office Properties, L.P.; Corporate Office Properties Trust; J.P. Morgan Securities LLC; KeyBanc Capital Markets; KeyBank National Association; JPMorgan Chase Bank, N.A.; Bank of America, N.A.; Royal Bank of Canada; Wells Fargo Bank, National Association; Barclays Bank PLC; PNC Bank, National Association; Capital One, N.A., Regions Bank; Manufacturers and Traders Trust Company; and SunTrust Bank	07/19/2013
Registration rights agreement	Registration Rights Agreement, among Corporate Office Properties, L.P., Corporate Office Properties Trust, J.P. Morgan Securities LLC and Wells Fargo Securities, LLC	05/07/2013
Indenture	Indenture, among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and U.S. Bank National Association, as trustee	05/07/2013
Underwriting agreement	Underwriting Agreement, between Corporate Office Properties Trust and Wells Fargo Securities, LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representatives of the several underwriters	06/26/2012
Credit agreement	Credit Agreement, by and among Corporate Office Properties, L.P.; Corporate Office Properties Trust; J.P. Morgan Securities LLC; KeyBanc Capital Markets; KeyBank National Association; JPMorgan Chase Bank, N.A.; Bank of America, N.A.; Royal Bank of Canada; Wells Fargo Bank, National Association; Barclays Bank PLC; PNC Bank, National Association; Regions Bank; Manufacturers and Traders Trust Company; and SunTrust Bank	09/01/2011
Registration rights agreement	Registration Rights Agreement, among Corporate Office Properties, L.P., Corporate Office Properties Trust, J.P. Morgan Securities Inc. and RBC Capital Markets Corporation	04/16/2010
Indenture	Indenture, among Corporate Office Properties, L.P., as issuer, Corporate Office Properties Trust, as guarantor, and Wells Fargo Bank, National Association, as trustee	04/16/2010