<SEC-DOCUMENT>0001140361-15-003270-index.html : 20150130
<SEC-HEADER>0001140361-15-003270.hdr.sgml : 20150130
<ACCEPTANCE-DATETIME>20150130142017
ACCESSION NUMBER:		0001140361-15-003270
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20150130
DATE AS OF CHANGE:		20150130
GROUP MEMBERS:		APG ASSET MANAGEMENT N.V.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CORPORATE OFFICE PROPERTIES TRUST
		CENTRAL INDEX KEY:			0000860546
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				232947217
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-51779
		FILM NUMBER:		15562419

	BUSINESS ADDRESS:	
		STREET 1:		6711 COLUMBIA GATEWAY DRIVE
		STREET 2:		SUITE 300
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21046
		BUSINESS PHONE:		4432855400

	MAIL ADDRESS:	
		STREET 1:		6711 COLUMBIA GATEWAY DRIVE
		STREET 2:		SUITE 300
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21046

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORPORATE OFFICE PROPERTIES TRUST INC
		DATE OF NAME CHANGE:	19980105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROYALE INVESTMENTS INC
		DATE OF NAME CHANGE:	19930328

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROYALE REIT INC
		DATE OF NAME CHANGE:	19600201

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APG Group
		CENTRAL INDEX KEY:			0001434820
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			P7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		OUDE LINDESTRAAT 70
		STREET 2:		POSTBUS 6401
		CITY:			HEERLEN
		STATE:			P7
		ZIP:			00000
		BUSINESS PHONE:		917-368-3500

	MAIL ADDRESS:	
		STREET 1:		OUDE LINDESTRAAT 70
		STREET 2:		POSTBUS 6401
		CITY:			HEERLEN
		STATE:			P7
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>doc1.htm
<DESCRIPTION>NONE
<TEXT>
Document 1 - file: doc1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.16
<SEQUENCE>2
<FILENAME>poa_apgassetmanagement.htm
<DESCRIPTION>EX-99.16
<TEXT>
Document 2 - file: poa_apgassetmanagement.htm

</DOCUMENT>
</SEC-DOCUMENT>