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STRONG OUTLOOK

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CORPORATE
OFFICE
PROPERTIES
TRUST

The Mid-Atlantic Suburban Office REIT

The Money Show — Las Vegas

May 2003

DISCLOSURE

This presentation contains forward-looking information based upon the Company’s current best judgement and expectations. Actual results could vary from those presented herein. The risks and uncertainties associated with the forward-looking information include the strength of the commercial office real estate market in which the Company operates, competitive market conditions, general economic growth, interest rates and capital market conditions. The Company undertakes no obligations to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise. For further information, please refer to the Company’s filings with the Securities and Exchange Commission.

Defined terms for Non GAAP measurements used throughout may be found in the Addendum. In addition, a Reconciliation of Non GAAP measures to the most comparable GAAP measure is included in the Addendum.

OVERVIEW

• New York Stock Exchange REIT (symbol “OFC”)

• Class A Suburban Office (112 properties, 9.1 mm s. f.)¹

• Mid-Atlantic Focus (largest in B/ W Corridor)

• $1.3 Billion in Total Market Capitalization²

• 6.2% FFO Growth For 2003 ($ 1.53 per share)³

• 25% EPS Growth For 2003⁴

• Secure 5. 5% Dividend Yield (58% FFO pay out ratio)¹

1. Data as of 5/4/03. 2. Data as of 3/31/03.

3. Based on (i) 2003 FFO estimate from MultexIR as of 5/6/03 and (ii) actual 2002 FFO of $1.44/share as adjusted for SFAS 141.

4. Based on Company estimate for 2003 EPS and actual EPS for 2002. See Addendum for more detail.

TOP PERFORMING OFFICE REIT

	Total Returns⁽¹⁾
	1 Year	2 Year	3 Year	4 Year
	(2002)	(2001-2002)	(2000-2002)	(1999-2002)

Corporate Office Properties Trust	26%	62%	130%	172%

Morgan Stanley REIT Index	4%	17%	48%	42%
Dow Jones Industrial	-15%	-20%	-24%	-3%
S&P 500	-22%	-31%	-38%	-25%
NASDAQ⁽²⁾	-32%	-46%	-67%	-39%

(1) Based on total returns including the re-investment of dividends on the ex-dividend date for the calendar years 1999, 2000, 2001, 2002.

(2) Does not include re-investment of dividends, data not available.

*Data based on information provided by Fact Set as of 12/31/02.

CONSISTENTLY OUTPERFORMED

		Total 4 Year Return⁽¹⁾(1999-2002)	Dividend Yield

	Corporate Office Properties Trust	172%	5.5%

	Only 8 S&P 500 Companies Outperformed Corporate Office Properties Trust for this Period

	15 Largest S&P 500 Companies

1.	Microsoft Corporation	-25%	0.3%
2.	General Electric	-24%	2.6%
3.	Exxon Mobil Corp.	5%	2.8%
4.	Wal-Mart Stores, Inc.	27%	0.7%
5.	Pfizer Inc.	-24%	1.9%
6.	Citigroup Inc.	60%	2.0%
7.	Johnson & Johnson	35%	1.7%
8.	American International Group, Inc.	13%	0.3%
9.	International Business Machines Corp.	-14%	0.7%
10.	Merck & Co., Inc.	-17%	2.5%
11.	Procter & Gamble Company	2%	1.8%
12.	Coca-Cola Company	-31%	2.0%
13.	Verizon Communications, Inc.	-19%	4.1%
14.	Bank of America Corporation	34%	3.4%
15.	Intel Corporation	-47%	0.4%

(1) Based on total return, which includes the re-investment of dividends on the ex-dividend date for the calendar years 1999, 2000, 2001, 2002.

* Data based on information provided by Fact Set as of 12/31/02.

STRONG OUTLOOK

FFO Per Share Growth

[CHART]

					2003
	2001		2002		Projected
NAREIT Average Office (1)	7.6	%	1.0	%	-4.6	%
OFC(2)	10.3	%	12.5	%	6.2	%

1. Based on actual FFO for 2002 and First Call Estimates for 2003 as of 5/6/03.

2. Based on actual FFO for 2002 subsequent to adjustment for SFAS 141, and MultexIR for 2003 estimate as of 5/6/03.

THE FACTS ABOUT REITS

• Real Estate Accepted as Asset Class that Improves
Portfolio Diversification

• Competitive Risk-Adjusted Returns

• Low Correlation with Stocks and Bonds

• By Design, REITs are High-Yielding Stocks

• REITs Should Trade Based on Underlying Property Values

• REITs Should Provide 12-16% Total Return on Average

COMPOUND ANNUAL TOTAL RETURNS

1972-2002

[CHART]

Dow Jones Industrial	7.3	%
NASDAQ Composite (1)	8.0	%
S&P 500	10.7	%
Equity REITs (publicly traded)	12.4	%

Source: National Association of Real Estate Investment Trusts^®, Ibbotson Associates, NASDAQ.

¹Price appreciation only.

REITS IMPROVE PORTFOLIO OVER TIME

$10,000 Invested in 1992 …..

[CHART]

REITs @ 0%	REITs @ 10%	REITs @ 20%
$ 25,940	$ 27,890	$ 29,170
33% Stocks	35% Stocks	37% Stocks
52% Bonds	40% Bonds	20% Bonds
15% T-Bills	15% T-Bills	15% T-Bills
	10% REITs	20% REITs

Source: NAREIT^®: Stocks-S&P 500, Ibbotson U. S. Small Stock Series, MSCI EAFE Index; Bonds-20 year U. S. Gov’t Bond; T-Bills-U. S. 30 day T-Bills.

Figures based on average annual return over the period 1992-2001.

Portfolios re-balanced annually.

EXCELLENT BUYING OPPORTUNITY

• REITs yielding 420 bps spread to Treasuries
(6.8% REIT Yield vs. 2.6% 5-Year Treasury Yield)

• REITs yielding 500 bps spread to S&P 500 Yields
(6.8% REIT Yield vs. 1.8% S&P 500 Yield)

• REIT multiples at a 70% discount to the S&P 500
(9.7x REIT FFO Multiple vs. 32x S&P 500 P/E Ratio)

• REITs offer portfolio diversification, as they have low
correlation with the NASDAQ and S&P 500

CORE STRENGTHS

• Mid-Atlantic Submarket Dominance

• Corporate Credit Tenants

• Value Creating Management

• Strong Earnings Growth

MID-ATLANTIC FOCUS

REGION

B/W
Corridor

Blue Bell/
Philadelphia

East Shore
Harrisburg

Central
New Jersey

Dulles
South

Suburban
Maryland

Other

Submarket s.f. (000s)

15,731

8,314

4,097

3,128

7,780

5,907

8,795

Our s.f. (000s)

5,056

960

557

584

761

377

336

Our Market Share

32%

12%

14%

19%

10%

Submarket Vacancy-Direct

13.9%

14.3%

9.3%

10.4%

16.4%

7.2%

11.8%

Submarket Vacancy-With Sublease

17.6%

20.3%

N/A

33.5%

20.6%

9.0%

13.8%

Our Vacancy

12.5%

0.0%

9.4%

2.4%

0. 9%

10.9%

7. 6%

[CHART]

B/W Corridor

Blue Bell/ Philadelphia

East Shore Harrisburg

Central New Jersey

Dulles South

Suburban Maryland

Other

% of Submarket (1)

29%

15%

11%

16%

1. Total square feet in all submarkets is 53,752,000.

Data as of 3/31/03.

HIGH OCCUPANCY RATE

Average Occupancy Rate

[CHART]

		1999		2000		2001		2002		1Q 2003
Average Occupancy Rate		98%		97%		97%		94%		92%

STRONG PAYOUT RATIOS

[CHART]

	2001	2002		1Q 2003
FFO	63%	58%		58%
AFFO	79%	74%	(1)	87%	(1)

1. Includes reclassification for SFAS 141 accounting. See Addendum.

LONG-TERM, STABLE LEASES

% of Total Annualized Revenue Expiring¹

[CHART]

Apr - Dec
2003	2004	2005	2006	2007	2008	2009	2010	Thereafter
9%	11%	10%	10%	17%	12%	11%	10%	10%

1. See addendum for definition of Total Annualized Revenue.

Data as of 3/31/03.

HIGH QUALITY TENANTS¹

TENANT²	% OF ANNUALIZED REVENUE			AVG. REMAINING TERM³

U.S. Federal Government	14	%	4.9
Computer Sciences Corporation	7	%	7.9
AT&T Local Services & Affiliates	6	%	5. 3
Unisys	5	%	6.3
General Dynamics Corporation	3	%	5.8
Booz Allen & Hamilton	3	%	2.6
Ciena Corporation	3	%	3.2
The Aerospace Corporation	2	%	9.3
Northrop Grumman Corporation	2	%	4.9
Magellan Health Services, Inc.	2	%	0.8
The Boeing Company	2	%	1.0
Commonwealth of Pennsylvania	2	%	5.4
Merck & Co., Inc.	2	%	6.3
Johns Hopkins University	1	%	4.4
Carefirst, Inc. and Subsidiaries	1	%	4.8
USinternetworking, Inc.	1	%	15
Comcast Corporation	1	%	6.5
Sun Microsystems, Inc.	1	%	2.8
Lockheed Martin Corporation	1	%	1.9
First American Credit Mgmt. Solutions	1	%	5.7
Total/Weighted Average	59	%	5.5		Years

1. This list represents our top twenty tenants as of 3/31/03.

2. Includes affiliated organizations or agencies of tenants, where applicable.

3. The weighting of the lease term was computed using Total Annualized Revenue.

INDUSTRY DIVERSITY¹

% of Total Annualized Revenue²

[CHART]

	Government Defense/ Defense Contractors	Computer/ Communications	Information/ Communications	Consulting/ Professional Services	Health Care/ Pharmaceutical
% of Total Annualized Revenue(2)	39%	13%	11%	8%	8%

	U.S Federal Gov't	Unisys	Cowles Enthusiast Media	Aerotek, Inc.	Merck
	General Dynamics	Sun Microsystems	AT&T Local Services	ADT Security	Magellan Health Services
	Northrop Grumman Systems	Ciena Corp.	Qwest Communications	Cadmus Journal Services	Carefirst, Inc.
	Lockheed Martin		Comcast Corporation	Olsten Staffing	Holy Cross Hospital
	Honeywell International			Ernst & Young	Kaiser Foundation Health Plan
	Computer Sciences Corp.
	Boeing Company
	Ball Aerospace
	Aerospace Corporation
	Titan Corporation

1. As of 3/31/03. See Addendum for definition of Industry Classification.

2. See Addendum for definition.

FULL SERVICE ORGANIZATION

• Experienced Acquisition Team

• $4 billion in total acquisitions

• $640 million in past four years

• Full Service Development Team

• $5 billion of completed projects

• $140 million developed in past four years

• Corporate Office Services

• Maximizes expertise and relationships

• Enhances profitability

ACQUISITION STRATEGY

• Class A Suburban Office Focus

• Strategic Fit

• Below Replacement Cost

• Opportunity to Create Value

ACQUISITION SUMMARY

2001 Acquisitions - Actual Closed	$	143 Million
2002 Acquisitions - Actual Closed	$	107 Million
2003 Acquisitions - YTD Closed	$	18 Million
2003 Offers Out	$	160 Million	¹

1. Data as of 4/28/03.

2002 ACQUISITIONS

• $107.3 Million in 2002

• 9 Properties Totaling 840,000 Square Feet

		7000 Columbia Gateway Drive

		145,800 square feet
Rivers 95		Acquired 5/31/02

4 building portfolio
109,700 square feet	7320 Parkway Drive
Acquired 4/4/02
	57,200 square feet
	Acquired 4/4/02

2002 ACQUISITIONS (cont’d)

11800 Tech Road		Greens I & II

236,400 square feet		290,200 square feet
Acquired 8/1/02		Acquired 8/14/02

RECENT ACQUISITION

	2500 Riva Road
	Annapolis, MD

	155,000 square feet
	Acquired 3/4/03

NORTHERN VIRGINIA PORTFOLIO

• Own 10% of Dulles South Submarket

• 3 Buildings, 761,000 sf Purchased¹

• 99.1% Leased on Average, Minimal Rollover Until 2005¹

• CSC, General Dynamics, Boeing, Booz-Allen Hamilton, Titan

• $136/sf Average Purchase Price

• 10% Average Unleveraged Yield

• 56 Acres of Land; 769,000 sf Development Entitlement

Westfields Corporate Center

1. As of 3/31/03.

DEVELOPMENT STRATEGY

• Control Land Adjacent to Existing Properties

• Capitalize on Expanding Tenant Base

• Secure Leases Prior to Commitment of Capital

• Target 11+% Unleveraged Cash Yields

NATIONAL BUSINESS PARK DEVELOPMENT

• Current Portfolio

• 11 buildings, 1.2 mm s. f.

• 100% leased

• Under Construction

• 1 building, 119,000 s. f.

• Under Development

• 1 building, 157,000 s. f.

• Land Owned/ Controlled

• 121 acres

• 1.3 million s. f.

The National Business Park

Baltimore/ Washington Corridor

• 1.2 million square feet

• 100% owned by OFC

Data as of 3/31/03.

495% GROWTH IN TOTAL ASSETS

[CHART]

1997		1998		1999		2000		2001		2002		1Q 2003
$	193	$	564	$	721	$	795	$	994	$	1,138	$	1,148

Total Assets as of Period End
($ in millions)

428% GROWTH FFO PER SHARE

[CHART]

	1997		1998		1999		2000		2001		2002		2003 E*
FFO Per Share	$	0.29	$	0.79	$	1.04	$	1.16	$	1.28	$	1.44	$	1.53

Based on MultexIR analysts’ consensus estimates as of 5/6/03. Actual FFO for 2002 reflects SFAS 141 adjustment. 2003 FFO estimate reflects a revised estimate based on 1Q03 earnings release (including adjustments for SFAS 141) and subsequent reporting by 7 of 9 analysts.

217% GROWTH EPS PER SHARE

[CHART]

	1997			1998		1999		2000		2001		2002		2003 E*
EPS Per Share	$	(0.60	)	$	0.47	$	0.66	$	0.59	$	0.63	$	0.56	$	0.70

76% INCREASE IN DIVIDEND

[CHART]

	1997		1998		1999		2000		2001		2002		Current
Dividend per common share	$	0.50	$	0.66	$	0.74	$	0.78	$	0.82	$	0.86	$	0.88

MARKET EQUITY CAPITALIZATION

Total Market Capitalization - $1,331 mm

(Common and Preferred)

[CHART]

Debt		Public Float		Management/Insiders
53%		37%		10%

Data as of March 31, 2003.

SUMMARY

• Secure 5.5% Dividend Yield

• Conservative payout ratio (58%) as of 3/31/03

• Stable average occupancy in 2002 (94%)

• Consistent Growth

• 217% growth in EPS/ share (1997-2003)

• 428% growth in FFO/ share (1997-2003)

• 76% growth in dividends/ share (1997-2003)

• Top Performing Office REIT

• 26% total return in 2002

• 172% 4 year total return (1999-2002)

• Strong Growth Potential

• 6.2% FFO projected growth/ share in 2003 (MultexIR as of 5/6/03)

• For More Information About the Company, Please Visit our Web Site at www.copt.com

DISCLOSURE

Footnote Regarding Reclassification In Connection With SFAS 141 Accounting

SFAS 141 was effective July 1, 2001 for acquisitions of operating real estate initiated after June 30, 2001. The effect of SFAS 141 on the Company’s accounting for in- place operating leases is as follows:

• Value is assigned to in-place operating leases to the extent that the future cash flows under the contractual lease terms are above or below market at the time of acquisition. For example, if the Company acquires a property, and the leases in place for that property carry rents below the market rent for such leases at the time of acquisition, the Company classifies the amount equal to the difference as deferred revenue, and increases the amount of the acquisition classified as investment in real estate. Conversely, if the leases in place for that property carry rents above the market rent, the Company classifies the amount equal to the difference as a deferred asset, and decreases the amount of the acquisition classified as investment in real estate. Deferred revenue or deferred assets recorded in connection with in-place operating leases of acquired properties are amortized into rental revenue over the life of the leases.

• In addition, value is assigned to the deemed cost avoidance of acquiring in-place operating leases. For example, when a new lease is entered into, the lessor typically incurs a number of origination costs in connection with the leases; such costs include tenant improvements and leasing costs. When a property is acquired with in-place leases, the origination costs for such leases were already incurred by the prior owner. Therefore, to recognize the value of these costs in recording a property acquisition, the Company assigns value to the tenant improvements and leasing costs associated with the remaining term of in- place operating leases. The value assigned reduces the amount of the acquisition classified as investment in real estate. The value assigned to the tenant improvements and leasing costs is depreciated or amortized over the life of the leases. Since the depreciation period for tenant improvements and amortization period for leasing costs is less than the depreciation period attributable to an investment in real estate, the effect of SFAS 141 is to increase depreciation and amortization expense until the tenant improvements and leasing costs have been fully depreciated or amortized, and to decrease depreciation and amortization expense afterwards.

DISCLOSURE

Footnote Regarding Reclassification In Connection With SFAS 141 Accounting con’t:

The Company reclassified certain items in connection with its accounting under SFAS 141 in the quarter ended March 31, 2003. The primary effects of the reclassification to the Company’s financial statements were as follows:

- since the in-place leases of properties acquired since July 1, 2001 were on average at below market rents, the application of SFAS 141 resulted in the Company recording net deferred revenue; and

- the Company recognized additional rental revenue in 2002 associated with the amortization of the deferred revenue described above and recognized depreciation and amortization expense on tenant improvements and leasing costs associated with in-place leases.

The Company is changing its presentation of the effects of SFAS 141 on the results of operations by reclassifying the depreciation of tenant improvements and amortization of leasing costs associated with in- place operating leases of acquired properties from rental revenue to depreciation and amortization expense. The Company believes that the revised presentation of the results of operations more closely reflects the economic substance of an acquisition transaction. This change in classification increases rental revenues for the periods reported, with an offsetting increase to depreciation and amortization expense.

The reclassification described above changes certain financial statements line items in the Statements of Operations and Statements of Cash Flows, as well as certain presentations of operating results and measures of performance that include rental revenue but exclude depreciation and amortization expense, that appear in the Registrant’s filings and earnings releases pertaining to 2002, including the Company’s FFO for the periods reported. However, such changes do not affect net income, EPS, AFFO, net cash flows and cash flows from operating activities.

DISCLOSURE

Definitions — Non GAAP Measure

Funds from Operations		Funds from operations means net income (loss) computed using GAAP, excluding gains (or losses) from debt restructuring and sales of real estate, plus real estate- related depreciation and amortization and after adjustments for unconsolidated partnerships and joint ventures, although FFO includes gains (or losses) from sales of real estate to the extent such gains relate to sales of non- operating properties and development services provided on operating properties. Accounting for real estate assets using historical cost accounting under GAAP assumes that the value of real estate assets diminishes predictably over time. The National Association of Real Estate Trusts (“NAREIT”) stated in its April 2002 White Paper on Funds from Operations that “since real estate asset values have historically risen or fallen with market conditions, many industry investors have considered presentations of operating results for real estate companies that use historical cost accounting to be insufficient by themselves.” As a result, the concept of FFO was created by NAREIT for the REIT industry to “address this problem.”

		Since the Company agrees with the concept of FFO and appreciates the reason surrounding its creation, it believes that FFO is an important supplemental measure of operating performance. In addition, since most equity REITs provide FFO information to the investment community, the Company believes FFO is a useful supplemental measure for comparing the Company’s results to those of other equity REITs. The Company believes that net income is the GAAP measure most directly comparable to FFO.

Adjusted Funds from Operations (AFFO)		FFO adjusted for the following: straight- line rents, SFAS 141 revenues, and recurring capital expenditures.

DISCLOSURE

Definitions — Non GAAP Measure

GAAP		Generally accepted accounting principles.

Industry Classification		We classify the revenue from our leases into industry groupings based solely on Management’s knowledge of the tenants’ operations in leased space. Occasionally, classifications require subjective and complex judgments. For example, we have a tenant that is considered by many to be in the computer industry; however, since the nature of that tenant’s operations in the space leased from us is focused on providing service to the United State Government’s defense department, we classify the revenue we earn from the lease as Government defense/ defense contractor industry revenue. We do not use independent sources such as Standard Industrial Classification codes for classifying our revenue into industry groupings and if we did, the resulting groupings would be materially different.

NAREIT		National Association of Real Estate Investment Trusts

Total Annualized Revenue		Annualized rental revenue is a measure that we use to evaluate the source of our rental revenue as of a point-in-time. It is computed by multiplying the sum of monthly contractual base rent and estimated monthly expense reimbursements under active leases as of a point in time by 12. We consider annualized rental revenue to be a useful measure for analyzing revenue sources because, since it is point-in-time based, it would not contain increases and decreases in revenue associated with periods where leases where not in effect; historical GAAP revenue would contain such fluctuations. We find the measure particularly useful for tenant and segment analysis. We consider annualized rental revenue to be a statistical measure rather than a performance measure. Annualized rental revenue cannot be reconciled to GAAP measures since its computation is not derived from historical GAAP measures.

DISCLOSURE

Definitions — Non GAAP Measure

FFO Payout Ratios		Total dividends/distributions, exclusive of dividends for perpetual preferred equity which are deducted to calculate FFO and inclusive of dividends on restricted shares for certain periods, divided by FFO.

AFFO Payout Ratios		Total dividends/distributions, exclusive of dividends for perpetual preferred equity which are deducted to calculate AFFO and inclusive of dividends on restricted shares for certain periods, divided by AFFO.

DISCLOSURE

RECONCILIATION OF GAAP MEASURES TO NON-GAAP MEASURES

(Dollars and shares in thousands, except per share data)																													Quarter
	Year ended December 31, (1)																												ended ended March 31,
	2003						2002				2001				2000				1999			1998				1997			2003
	Low			High
	High Estimated (2)
Net income available to common shareholders	$	17,250		$	17,750		$	13,167			$	13,065			$		11,332		$	12,229		$		4,369		$	(967	)	$	5,454
Convertible preferred share dividends	544			544			544				508				-				-			-				-			136
Minority interests-preferred units	-			-			-				-				-				2,559			3,412				-			-
Minority interests-common units	-			-			-				-				-				-			1,171				-			-
Numerator for earnings per share-diluted	17,794			18,294			13,711				13,573				11,332				14,788			8,952				(967		)	5,590
Real estate related depreciation and amortization	32,800			32,800			30,997				20,702				16,887				11,987			6,238				1,267			7,980
Restricted common share dividends	332			332			283				-				-				-			-				-			83
Minority interests-preferred units	2,288			2,288			2,287				2,287				2,240				61			-				720			572
Minority interests-common units	7,046			7,250			5,800				6,592				6,322				3,449			-				65			2,233
Convertible preferred share dividends	-			-			-				-				677				1,353			327				-			-
Gain on sales of real estate, excluding development portion	(2,843		)	(2,843		)	(268			)	(416			)	(107			)	(1,140		)	-				-			(2,843		)
Expense on dilutive options	-			-			44				-				-				-			-				-			6
Cumulative effect of accounting change	-			-			-				263				-				-			-				-			-
Numerator for funds from operations per share-diluted	$	57,417		$	58,121		$	52,854			$	43,001			$		37,351		$	30,498		$	15,517			$	1,085		$	13,621

Denominator for earnings per share-diluted	25,600			25,600			24,547				21,623				19,213				22,574			19,237				1,601			25,492
Common units	8,990			8,990			9,282				9,437				9,652				4,883			-				552			8,990
Restricted shares	340			340			326				-				-				-			-				-			330
Convertible preferred units	2,421			2,421			2,421				2,421				2,371				70			-				1,602			2,421
Convertible preferred shares	-			-			-				-				918				1,845			449				-			-
Additional dilutive share options	-			-			58				-				-				-			-				-			43
Denominator for funds from operations per share-diluted	37,351			37,351			36,634				33,481				32,154				29,372			19,686				3,755			37,276

Earnings per share-diluted	$	0.70		$	0.71		$		0.56		$		0.63		$	0.59			$	0.66		$	0.47			$	(0.60	)	$	0.22
Funds from operations per share-diluted	$	1.54		$	1.56		$		1.44		$		1.28		$	1.16			$	1.04		$	0.79			$	0.29		$	0.37

Numerator for funds from operations per share-diluted							$		52,854		$		43,001		$	37,351			$	30,498		$	15,517			$	1,085		$	13,621
Straight-line rent adjustments							(2,389			)	(3,175			)	(4,107			)	(2,766		)	(1,785			)	(295		)	(1,177		)
Amort. of origination value of leases on acquired properties							(2,342			)	-				-				-			-				-			(549		)
Recurring capital expenditures							(6,640			)	(5,430			)	(2,843			)	(2,579		)	(538			)	-			(2,756		)
Adjusted funds from operations derived starting from the numerator for funds from operations per share-diluted							$		41,483		$		34,396		$	30,401			$	25,153		$	13,194			$	790		$	9,139

(1) Funds from operations as reported for 2002 changed due to our reclassification of certain items in connection with our our accounting under Statement of Financial Accounting Standards No. 141, "Business Combinations." Funds from operations for 1999 through 2002 changed due to our reclassification of losses on early retirement of debt in connection with our adoption of Statement of Financial Accounting Standards No. 145, "Rescission of FASB Statements No. 4 , 44 and 64, Amendment of FASB Statement No. 13 and Technical Corrections" on January 1, 2003.

(2) These estimates are based on Company guidance previously provided.