CONSOLIDATED FINANCIAL HIGHLIGHTS Comerica Incorporated and Subsidiaries Three Months Ended Six Months Ended June 30, March 31, June 30, June 30, (in millions, except per share data) 2008 2008 2007 2008 2007 PER SHARE AND COMMON STOCK DATA Diluted income from continuing operations $0.37 $0.73 $1.25 $1.10 $2.44 Diluted net income 0.37 0.73 1.25 1.09 2.45 Cash dividends declared 0.66 0.66 0.64 1.32 1.28 Common shareholders' equity (at period end) 33.78 34.93 32.74 Average diluted shares (in thousands) 150,819 150,734 156,632 150,774 157,774 KEY RATIOS Return on average common shareholders' equity from continuing operations 4.26% 8.51% 15.44% 6.38% 15.15% Return on average common shareholders' equity 4.25 8.42 15.44 6.34 15.16 Return on average assets from continuing operations 0.34 0.69 1.35 0.51 1.34 Return on average assets 0.33 0.68 1.35 0.51 1.34 Average common shareholders' equity as a percentage of average assets 7.87 8.12 8.75 8.00 8.84 Tier 1 common capital ratio * 6.72 6.75 7.18 Tier 1 risk-based capital ratio * 7.36 7.40 7.87 Total risk-based capital ratio * 11.11 11.06 11.71 Leverage ratio * 8.55 8.82 9.68 AVERAGE BALANCES Commercial loans $29,280 $29,178 $28,324 $29,230 $28,042 Real estate construction loans 4,843 4,811 4,501 4,827 4,376 Commercial mortgage loans 10,374 10,142 9,634 10,258 9,654 Residential mortgage loans 1,906 1,916 1,791 1,911 1,748 Consumer loans 2,549 2,449 2,331 2,499 2,368 Lease financing 1,352 1,347 1,287 1,349 1,280 International loans 2,063 2,009 1,925 2,036 1,879 Total loans 52,367 51,852 49,793 52,110 49,347 Earning assets 61,088 59,518 54,304 60,303 53,729 Total assets 65,963 63,927 58,118 64,945 57,606 Interest-bearing deposits 33,116 33,440 30,049 33,278 30,232 Total interest-bearing liabilities 48,483 46,793 40,157 47,638 39,332 Noninterest-bearing deposits 10,648 10,622 11,633 10,635 11,897 Common shareholders' equity 5,193 5,192 5,088 5,193 5,090 NET INTEREST INCOME Net interest income (fully taxable equivalent basis)** $443 $477 $510 $920 $1,013 Fully taxable equivalent adjustment 1 1 1 2 2 Net interest margin** 2.91% 3.22% 3.76% 3.07% 3.79% CREDIT QUALITY Nonaccrual loans $730 $538 $244 Reduced-rate loans - - - Total nonperforming loans 730 538 244 Foreclosed property 17 22 15 Total nonperforming assets 747 560 259 Loans past due 90 days or more and still accruing 112 80 29 Gross loan charge-offs 118 116 43 $234 $77 Loan recoveries 6 6 13 12 31 Net loan charge-offs 112 110 30 222 46 Lending-related commitment charge-offs 1 - - 1 3 Total net credit-related charge-offs 113 110 30 223 49 Allowance for loan losses 663 605 507 Allowance for credit losses on lending-related commitments 31 25 19 Total allowance for credit losses 694 630 526 Allowance for loan losses as a percentage of total loans 1.28% 1.16% 1.04% Net loan charge-offs as a percentage of average total loans 0.86 0.85 0.24 0.85% 0.19% Net credit-related charge-offs as a percentage of average total loans 0.86 0.85 0.24 0.86 0.20 Nonperforming assets as a percentage of total loans and foreclosed property 1.44 1.07 0.53 Allowance for loan losses as a percentage of total nonperforming loans 91 112 207 * June 30, 2008 ratios are estimated ** Second quarter 2008 net interest income declined $30 million due to a tax-related non-cash lease income charge. Excluding this charge, the net interest margin would have been 3.10% and 3.17% for the three- and six-month periods ended June 30, 2008. CONSOLIDATED BALANCE SHEETS Comerica Incorporated and Subsidiaries June 30, March 31, Dec. 31, June 30, (in millions, except share data) 2008 2008 2007 2007 ASSETS Cash and due from banks $1,698 $1,929 $1,440 $1,372 Federal funds sold and securities purchased under agreements to resell 77 45 36 1,217 Other short-term investments 249 356 373 251 Investment securities available-for- sale 8,243 8,563 6,296 4,368 Commercial loans 28,763 29,475 28,223 27,146 Real estate construction loans 4,684 4,646 4,816 4,513 Commercial mortgage loans 10,504 10,482 10,048 9,728 Residential mortgage loans 1,879 1,926 1,915 1,839 Consumer loans 2,594 2,448 2,464 2,321 Lease financing 1,351 1,341 1,351 1,314 International loans 1,976 2,034 1,926 1,904 Total loans 51,751 52,352 50,743 48,765 Less allowance for loan losses (663) (605) (557) (507) Net loans 51,088 51,747 50,186 48,258 Premises and equipment 674 670 650 616 Customers' liability on acceptances outstanding 15 28 48 40 Accrued income and other assets 3,959 3,679 3,302 2,448 Total assets $66,003 $67,017 $62,331 $58,570 LIABILITIES AND SHAREHOLDERS' EQUITY Noninterest-bearing deposits $11,860 $12,792 $11,920 $12,763 Money market and NOW deposits 14,506 15,601 15,261 15,212 Savings deposits 1,391 1,408 1,325 1,397 Customer certificates of deposit 7,746 8,191 8,357 7,567 Institutional certificates of deposit 5,940 7,752 6,147 5,479 Foreign office time deposits 879 1,075 1,268 789 Total interest-bearing deposits 30,462 34,027 32,358 30,444 Total deposits 42,322 46,819 44,278 43,207 Short-term borrowings 4,075 2,434 2,807 297 Acceptances outstanding 15 28 48 40 Accrued expenses and other liabilities 1,651 1,679 1,260 1,269 Medium- and long-term debt 12,858 10,800 8,821 8,748 Total liabilities 60,921 61,760 57,214 53,561 Common stock - $5 par value: Authorized - 325,000,000 shares Issued - 178,735,252 shares at 6/30/08, 3/31/08, 12/31/07 and 6/30/07 894 894 894 894 Capital surplus 576 565 564 539 Accumulated other comprehensive loss (207) (67) (177) (308) Retained earnings 5,451 5,496 5,497 5,391 Less cost of common stock in treasury - 28,281,490 shares at 6/30/08, 28,233,996 shares at 3/31/08, 28,747,097 shares at 12/31/07 and 25,725,671 shares at 6/30/07 (1,632) (1,631) (1,661) (1,507) Total shareholders' equity 5,082 5,257 5,117 5,009 Total liabilities and shareholders' equity $66,003 $67,017 $62,331 $58,570 CONSOLIDATED STATEMENTS OF INCOME Comerica Incorporated and Subsidiaries Three Months Ended Six Months Ended June 30, June 30, (in millions, except per share data) 2008 2007 2008 2007 INTEREST INCOME Interest and fees on loans $633 $882 $1,403 $1,733 Interest on investment securities 101 46 189 88 Interest on short-term investments 3 5 8 13 Total interest income 737 933 1,600 1,834 INTEREST EXPENSE Interest on deposits 182 284 $435 570 Interest on short-term borrowings 19 24 48 46 Interest on medium- and long-term debt 94 116 199 207 Total interest expense 295 424 682 823 Net interest income 442 509 918 1,011 Provision for loan losses 170 36 329 59 Net interest income after provision for loan losses 272 473 589 952 NONINTEREST INCOME Service charges on deposit accounts 59 55 117 109 Fiduciary income 51 49 103 98 Commercial lending fees 21 17 38 33 Letter of credit fees 18 15 33 31 Foreign exchange income 12 10 22 19 Brokerage fees 10 10 20 21 Card fees 16 14 30 26 Bank-owned life insurance 8 9 18 19 Net securities gains 14 - 36 - Net gain on sales of businesses - 2 - 3 Other noninterest income 33 44 62 69 Total noninterest income 242 225 479 428 NONINTEREST EXPENSES Salaries 202 215 402 421 Employee benefits 48 50 95 96 Total salaries and employee benefits 250 265 497 517 Net occupancy expense 36 33 74 68 Equipment expense 16 15 31 30 Outside processing fee expense 28 24 51 44 Software expense 20 15 39 30 Customer services 3 11 9 25 Litigation and operational losses (recoveries) 3 (9) (5) (6) Provision for credit losses on lending-related commitments 7 (2) 11 (4) Other noninterest expenses 60 59 119 114 Total noninterest expenses 423 411 826 818 Income from continuing operations before income taxes 91 287 242 562 Provision for income taxes 35 91 76 177 Income from continuing operations 56 196 166 385 Income (loss) from discontinued operations, net of tax - - (1) 1 NET INCOME $56 $196 $165 $386 Basic earnings per common share: Income from continuing operations $0.37 $1.28 $1.11 $2.49 Net income 0.37 1.28 1.10 2.49 Diluted earnings per common share: Income from continuing operations 0.37 1.25 1.10 2.44 Net income 0.37 1.25 1.09 2.45 Cash dividends declared on common stock 100 98 199 199 Dividends per common share 0.66 0.64 1.32 1.28 CONSOLIDATED QUARTERLY STATEMENTS OF INCOME Comerica Incorporated and Subsidiaries Second First Fourth Third Second (in millions, except per Quarter Quarter Quarter Quarter Quarter share data) 2008 2008 2007 2007 2007 INTEREST INCOME Interest and fees on loans $633 $770 $873 $895 $882 Interest on investment securities 101 88 66 52 46 Interest on short-term investments 3 5 5 5 5 Total interest income 737 863 944 952 933 INTEREST EXPENSE Interest on deposits 182 253 303 294 284 Interest on short-term borrowings 19 29 30 29 24 Interest on medium- and long-term debt 94 105 122 126 116 Total interest expense 295 387 455 449 424 Net interest income 442 476 489 503 509 Provision for loan losses 170 159 108 45 36 Net interest income after provision for loan losses 272 317 381 458 473 NONINTEREST INCOME Service charges on deposit accounts 59 58 57 55 55 Fiduciary income 51 52 52 49 49 Commercial lending fees 21 17 23 19 17 Letter of credit fees 18 15 16 16 15 Foreign exchange income 12 10 10 11 10 Brokerage fees 10 10 11 11 10 Card fees 16 14 14 14 14 Bank-owned life insurance 8 10 9 8 9 Net securities gains 14 22 3 4 - Net gain on sales of businesses - - - - 2 Other noninterest income 33 29 35 43 44 Total noninterest income 242 237 230 230 225 NONINTEREST EXPENSES Salaries 202 200 216 207 215 Employee benefits 48 47 48 49 50 Total salaries and employee benefits 250 247 264 256 265 Net occupancy expense 36 38 36 34 33 Equipment expense 16 15 15 15 15 Outside processing fee expense 28 23 24 23 24 Software expense 20 19 17 16 15 Customer services 3 6 7 11 11 Litigation and operational losses (recoveries) 3 (8) 18 6 (9) Provision for credit losses on lending-related commitments 7 4 3 - (2) Other noninterest expenses 60 59 66 62 59 Total noninterest expenses 423 403 450 423 411 Income from continuing operations before income taxes 91 151 161 265 287 Provision for income taxes 35 41 44 85 91 Income from continuing operations 56 110 117 180 196 Income (loss) from discontinued operations, net of tax - (1) 2 1 - NET INCOME $56 $109 $119 $181 $196 Basic earnings per common share: Income from continuing operations $0.37 $0.74 $0.78 $1.18 $1.28 Net income 0.37 0.73 0.80 1.20 1.28 Diluted earnings per common share: Income from continuing operations 0.37 0.73 0.77 1.17 1.25 Net income 0.37 0.73 0.79 1.18 1.25 Cash dividends declared on common stock 100 99 97 97 98 Dividends per common share 0.66 0.66 0.64 0.64 0.64 Second Quarter 2008 Compared To: First Quarter Second Quarter 2008 2007 (in millions, except per share data) Amount Percent Amount Percent INTEREST INCOME Interest and fees on loans $(137) (18)% $(249) (28) Interest on investment securities 13 14 55 N/M Interest on short-term investments (2) (27) (2) (40) Total interest income (126) (15) (196) (21) INTEREST EXPENSE Interest on deposits (71) (28) (102) (36) Interest on short-term borrowings (10) (32) (5) (20) Interest on medium- and long-term debt (11) (10) (22) (19) Total interest expense (92) (24) (129) (31) Net interest income (34) (7) (67) (13) Provision for loan losses 11 7 134 N/M Net interest income after provision for loan losses (45) (14) (201) (43) NONINTEREST INCOME Service charges on deposit accounts 1 - 4 5 Fiduciary income (1) (3) 2 3 Commercial lending fees 4 30 4 28 Letter of credit fees 3 19 3 18 Foreign exchange income 2 20 2 22 Brokerage fees - 1 - 2 Card fees 2 14 2 19 Bank-owned life insurance (2) (12) (1) (8) Net securities gains (8) N/M 14 N/M Net gain on sales of businesses - N/M (2) N/M Other noninterest income 4 9 (11) (26) Total noninterest income 5 2 17 7 NONINTEREST EXPENSES Salaries 2 1 (13) (6) Employee benefits 1 - (2) (4) Total salaries and employee benefits 3 1 (15) (6) Net occupancy expense (2) (4) 3 11 Equipment expense 1 3 1 3 Outside processing fee expense 5 21 4 17 Software expense 1 4 5 37 Customer services (3) (52) (8) (75) Litigation and operational losses (recoveries) 11 N/M 12 N/M Provision for credit losses on lending-related commitments 3 68 9 N/M Other noninterest expenses 1 1 1 - Total noninterest expenses 20 5 12 3 Income from continuing operations before income taxes (60) (40) (196) (68) Provision for income taxes (6) (13) (56) (61) Income from continuing operations (54) (50) (140) (72) Income (loss) from discontinued operations, net of tax 1 N/M - N/M NET INCOME $(53) (49)% $(140) (72) Basic earnings per common share: Income from continuing operations $(0.37) (50)% $(0.91) (71) Net income (0.36) (49) (0.91) (71) Diluted earnings per common share: Income from continuing operations (0.36) (49) (0.88) (70) Net income (0.36) (49) (0.88) (70) Cash dividends declared on common stock 1 - 2 1 Dividends per common share - - 0.02 3 N/M - Not meaningful ANALYSIS OF THE ALLOWANCE FOR LOAN LOSSES Comerica Incorporated and Subsidiaries 2008 2007 (in millions) 2nd Qtr 1st Qtr 4th Qtr 3rd Qtr 2nd Qtr Balance at beginning of period $605 $557 $512 $507 $500 Loan charge-offs: Commercial 36 33 27 30 19 Real estate construction: Commercial Real Estate business line 57 52 24 6 6 Other business lines - 1 1 2 2 Total real estate construction 57 53 25 8 8 Commercial mortgage: Commercial Real Estate business line 14 20 7 2 3 Other business lines 7 2 9 4 10 Total commercial mortgage 21 22 16 6 13 Residential mortgage 1 - - - - Consumer 3 7 4 3 3 Lease financing - - - - - International - 1 - - - Total loan charge-offs 118 116 72 47 43 Recoveries on loans previously charged-off: Commercial 5 3 7 5 5 Real estate construction - 1 - - - Commercial mortgage 1 1 1 1 2 Residential mortgage - - - - - Consumer - 1 1 1 1 Lease financing - - - - - International - - - - 5 Total recoveries 6 6 9 7 13 Net loan charge-offs 112 110 63 40 30 Provision for loan losses 170 159 108 45 36 Foreign currency translation adjustment - (1) - - 1 Balance at end of period $663 $605 $557 $512 $507 Allowance for loan losses as a percentage of total loans 1.28 1.16 1.10 1.03 1.04 Net loan charge-offs as a percentage of average total loans 0.86 0.85 0.50 0.32 0.24 Net credit-related charge-offs as a percentage of average total loans 0.86 0.85 0.50 0.32 0.24 ANALYSIS OF THE ALLOWANCE FOR CREDIT LOSSES ON LENDING-RELATED COMMITMENTS Comerica Incorporated and Subsidiaries 2008 2007 (in millions) 2nd Qtr 1st Qtr 4th Qtr 3rd Qtr 2nd Qtr Balance at beginning of period $25 $21 $19 $19 $21 Less: Charge-offs on lending-related commitments (1) 1 - 1 - - Add: Provision for credit losses on lending-related commitments 7 4 3 - (2) Balance at end of period $31 $25 $21 $19 $19 Unfunded lending-related commitments sold $2 $3 $22 $- $- (1) Charge-offs result from the sale of unfunded lending-related commitments. NONPERFORMING ASSETS Comerica Incorporated and Subsidiaries 2008 2007 (in millions) 2nd Qtr 1st Qtr 4th Qtr 3rd Qtr 2nd Qtr SUMMARY OF NONPERFORMING ASSETS AND PAST DUE LOANS Nonaccrual loans: Commercial $155 $87 $75 $64 $88 Real estate construction: Commercial Real Estate business line 322 271 161 55 37 Other business lines 4 4 6 4 7 Total real estate construction 326 275 167 59 44 Commercial mortgage: Commercial Real Estate business line 143 105 66 63 20 Other business lines 95 64 75 77 84 Total commercial mortgage 238 169 141 140 104 Residential mortgage 4 1 1 1 1 Consumer 4 3 3 4 3 Lease financing - - - - - International 3 3 4 4 4 Total nonaccrual loans 730 538 391 272 244 Reduced-rate loans - - 13 - - Total nonperforming loans 730 538 404 272 244 Foreclosed property 17 22 19 19 15 Total nonperforming assets $747 $560 $423 $291 $259 Nonperforming loans as a percentage of total loans 1.41 % 1.03 % 0.80 % 0.55 % 0.50 % Nonperforming assets as a percentage of total loans and foreclosed property 1.44 1.07 0.83 0.59 0.53 Allowance for loan losses as a percentage of total nonperforming loans 91 112 138 188 207 Loans past due 90 days or more and still accruing $112 $80 $54 $56 $29 ANALYSIS OF NONACCRUAL LOANS Nonaccrual loans at beginning of period $538 $391 $272 $244 $218 Loans transferred to nonaccrual (1) 304 281 185 94 107 Nonaccrual business loan gross charge-offs (2) (113) (108) (68) (44) (40) Loans transferred to accrual status (1) - - - (5) (8) Nonaccrual business loans sold (3) - (15) - (11) - Payments/Other (4) 1 (11) 2 (6) (33) Nonaccrual loans at end of period $730 $538 $391 $272 $244 (1) Based on an analysis of nonaccrual loans with book balances greater than $2 million. (2) Analysis of gross loan charge-offs: Nonaccrual business loans $113 $108 $68 $44 $40 Performing watch list loans 1 1 - - - Consumer and residential mortgage loans 4 7 4 3 3 Total gross loan charge-offs $118 $116 $72 $47 $43 (3) Analysis of loans sold: Nonaccrual business loans $- $15 $- $11 $- Performing watch list loans 7 6 13 - - Total loans sold $7 $21 $13 $11 $- (4) Includes net changes related to nonaccrual loans with less than $2 million, other than business loan gross charge-offs and nonaccrual loans sold, and payments on nonaccrual loans with book balances greater than $2 million. ANALYSIS OF NET INTEREST INCOME (FTE) Comerica Incorporated and Subsidiaries Six Months Ended June 30, 2008 June 30, 2007 (dollar amounts in Average Average Average Average millions) Balance Interest Rate Balance Interest Rate Commercial loans (1)(2) $29,230 $786 5.41% $28,042 $1,016 7.31% Real estate construction loans 4,827 130 5.40 4,376 186 8.55 Commercial mortgage loans 10,258 300 5.88 9,654 353 7.37 Residential mortgage loans 1,911 58 6.02 1,748 54 6.13 Consumer loans 2,499 69 5.53 2,368 84 7.15 Lease financing (3) 1,349 (8) N/M 1,280 21 3.26 International loans 2,036 55 5.42 1,879 66 7.12 Business loan swap income (expense) - 15 - - (45) - Total loans (2) 52,110 1,405 5.42 49,347 1,735 7.08 Investment securities available-for-sale 7,759 189 4.91 3,916 88 4.40 Federal funds sold and securities purchased under agreements to resell 115 1 2.56 235 6 5.38 Other short-term investments 319 7 4.08 231 7 6.00 Total earning assets 60,303 1,602 5.34 53,729 1,836 6.87 Cash and due from banks 1,229 1,410 Allowance for loan losses (630) (509) Accrued income and other assets 4,043 2,976 Total assets $64,945 $57,606 Money market and NOW deposits (1) $15,063 125 1.67 $14,788 225 3.06 Savings deposits 1,382 4 0.54 1,400 6 0.88 Customer certificates of deposit 8,161 148 3.64 7,404 163 4.45 Institutional certificates of deposit 7,482 139 3.73 5,652 152 5.43 Foreign office time deposits 1,190 19 3.29 988 24 4.90 Total interest-bearing deposits 33,278 435 2.63 30,232 570 3.80 Short-term borrowings 3,411 48 2.82 1,736 46 5.31 Medium- and long-term debt 10,949 199 3.66 7,364 207 5.68 Total interest-bearing sources 47,638 682 2.88 39,332 823 4.22 Noninterest-bearing deposits (1) 10,635 11,897 Accrued expenses and other liabilities 1,479 1,287 Shareholders' equity 5,193 5,090 Total liabilities and shareholders' equity $64,945 $57,606 Net interest income/rate spread (FTE) $920 2.46 $1,013 2.65 FTE adjustment $2 $2 Impact of net noninterest-bearing sources of funds 0.61 1.14 Net interest margin (as a percentage of average earning assets) (FTE) (2) (3) 3.07% 3.79% N/M - Not meaningful (1) FSD balances included above: Loans (primarily low-rate) $635 $4 1.23% $1,575 $5 0.60% Interest-bearing deposits 1,044 12 2.31 1,238 24 3.90 Noninterest-bearing deposits 1,858 3,363 (2) Impact of FSD loans (primarily low-rate) on the following: Commercial loans (0.10)% (0.40)% Total loans (0.05) (0.22) Net interest margin (FTE) (assuming loans were funded by noninterest-bearing deposits) (0.02) (0.11) (3) 2008 net interest income declined $30 million and the net interest margin declined by 10 basis points due to a tax-related non-cash lease income charge. Excluding this charge, the net interest margin would have been 3.17%. ANALYSIS OF NET INTEREST INCOME (FTE) Comerica Incorporated and Subsidiaries Three Months Ended June 30, 2008 March 31, 2008 (dollar amounts in Average Average Average Average millions) Balance Interest Rate Balance Interest Rate Commercial loans (1) (2) $29,280 $357 4.90% $29,178 $429 5.93% Real estate construction loans 4,843 59 4.89 4,811 71 5.92 Commercial mortgage loans 10,374 141 5.47 10,142 159 6.29 Residential mortgage loans 1,906 29 6.03 1,916 29 6.01 Consumer loans 2,549 32 5.06 2,449 37 6.02 Lease financing (3) 1,352 (19) N/M 1,347 11 3.22 International loans 2,063 25 4.86 2,009 30 6.01 Business loan swap income (expense) - 10 - - 5 - Total loans (2) 52,367 634 4.87 51,852 771 5.98 Investment securities available-for-sale 8,296 101 4.89 7,222 88 4.93 Federal funds sold and securities purchased under agreements to resell 150 1 2.17 80 1 3.28 Other short-term investments 275 2 3.73 364 4 4.34 Total earning assets 61,088 738 4.86 59,518 864 5.84 Cash and due from banks 1,217 1,240 Allowance for loan losses (664) (596) Accrued income and other assets 4,322 3,765 Total assets $65,963 $63,927 Money market and NOW deposits (1) $14,784 46 1.26 $15,341 79 2.06 Savings deposits 1,405 2 0.45 1,359 2 0.64 Customer certificates of deposit 8,037 64 3.20 8,286 84 4.07 Institutional certificates of deposit 7,707 61 3.21 7,257 77 4.28 Foreign office time deposits 1,183 8 2.77 1,197 11 3.81 Total interest- bearing deposits 33,116 181 2.20 33,440 253 3.05 Short-term borrowings 3,326 19 2.33 3,497 29 3.28 Medium- and long-term debt 12,041 95 3.15 9,856 105 4.27 Total interest- bearing sources 48,483 295 2.45 46,793 387 3.32 Noninterest-bearing deposits (1) 10,648 10,622 Accrued expenses and other liabilities 1,639 1,320 Shareholders' equity 5,193 5,192 Total liabilities and shareholders' equity $65,963 $63,927 Net interest income/rate spread (FTE) $443 2.41 $477 2.52 FTE adjustment $1 $1 Impact of net noninterest- bearing sources of funds 0.50 0.70 Net interest margin (as a percentage of average earning assets) (FTE) (2) (3) 2.91% 3.22% N/M - Not meaningful (1) FSD balances included above: Loans (primarily low- rate) $469 $2 1.42% $802 $2 1.12% Interest-bearing deposits 994 4 1.81 1,094 8 2.77 Noninterest-bearing deposits 1,823 1,894 (2) Impact of FSD loans (primarily low-rate) on the following: Commercial loans (0.06)% (0.13)% Total loans (0.03) (0.08) Net interest margin (FTE) (assuming loans were funded by noninterest-bearing deposits) (0.01) (0.03) (3) Second quarter 2008 net interest income declined $30 million and the net interest margin declined by 19 basis points due to a tax-related non-cash lease income charge. Excluding this charge, the net interest margin would have been 3.10%. Three Months Ended June 30, 2007 Average Average (dollar amounts in millions) Balance Interest Rate Commercial loans (1) (2) $28,324 $517 7.31 % Real estate construction loans 4,501 95 8.45 Commercial mortgage loans 9,634 178 7.39 Residential mortgage loans 1,791 28 6.15 Consumer loans 2,331 41 7.15 Lease financing (3) 1,287 11 3.33 International loans 1,925 34 7.17 Business loan swap income (expense) - (21) - Total loans (2) 49,793 883 7.11 Investment securities available-for- sale 4,085 46 4.46 Federal funds sold and securities purchased under agreements to resell 195 2 5.37 Other short-term investments 231 3 5.21 Total earning assets 54,304 934 6.89 Cash and due from banks 1,341 Allowance for loan losses (516) Accrued income and other assets 2,989 Total assets $58,118 Money market and NOW deposits (1) $14,825 114 3.08 Savings deposits 1,419 3 0.91 Customer certificates of deposit 7,463 83 4.46 Institutional certificates of deposit 5,484 74 5.43 Foreign office time deposits 858 10 4.81 Total interest-bearing deposits 30,049 284 3.80 Short-term borrowings 1,816 24 5.30 Medium- and long-term debt 8,292 116 5.63 Total interest-bearing sources 40,157 424 4.24 Noninterest-bearing deposits (1) 11,633 Accrued expenses and other liabilities 1,240 Shareholders' equity 5,088 Total liabilities and shareholders' equity $58,118 Net interest income/rate spread (FTE) $510 2.65 FTE adjustment $1 Impact of net noninterest-bearing sources of funds 1.11 Net interest margin (as a percentage of average earning assets) (FTE) (2) (3) 3.76% N/M - Not meaningful (1) FSD balances included above: Loans (primarily low-rate) $1,580 $2 0.52% Interest-bearing deposits 1,228 12 3.88 Noninterest-bearing deposits 3,277 (2) Impact of FSD loans (primarily low-rate) on the following: Commercial loans (0.40)% Total loans (0.21) Net interest margin (FTE) (assuming loans were funded by noninterest-bearing deposits) (0.10) (3) Second quarter 2008 net interest income declined $30 million and the net interest margin declined by 19 basis points due to a tax-related non-cash lease income charge. Excluding this charge, the net interest margin would have been 3.10%. CONSOLIDATED STATISTICAL DATA Comerica Incorporated and Subsidiaries (in millions, except June 30, March 31, Dec. 31, Sept. 30, June 30, per share data) 2008 2008 2007 2007 2007 Commercial loans: Floor plan $2,645 $2,913 $2,878 $2,601 $3,012 Other 26,118 26,562 25,345 24,791 24,134 Total commercial loans 28,763 29,475 28,223 27,392 27,146 Real estate construction loans: Commercial Real Estate business line 4,013 3,990 4,089 4,007 3,777 Other business lines 671 656 727 752 736 Total real estate construction loans 4,684 4,646 4,816 4,759 4,513 Commercial mortgage loans: Commercial Real Estate business line 1,620 1,541 1,377 1,467 1,344 Other business lines 8,884 8,941 8,671 8,527 8,384 Total commercial mortgage loans 10,504 10,482 10,048 9,994 9,728 Residential mortgage loans 1,879 1,926 1,915 1,892 1,839 Consumer loans: Home equity 1,649 1,619 1,616 1,582 1,585 Other consumer 945 829 848 815 736 Total consumer loans 2,594 2,448 2,464 2,397 2,321 Lease financing 1,351 1,341 1,351 1,319 1,314 International loans 1,976 2,034 1,926 1,843 1,904 Total loans $51,751 $52,352 $50,743 $49,596 $48,765 Goodwill $150 $150 $150 $150 $150 Loan servicing rights 12 12 12 13 13 Tier 1 common capital ratio* 6.72% 6.75% 6.85% 7.01% 7.18% Tier 1 risk-based capital ratio* 7.36 7.40 7.51 7.68 7.87 Total risk-based capital ratio * 11.11 11.06 11.20 11.44 11.71 Leverage ratio* 8.55 8.82 9.26 9.60 9.68 Book value per share $33.78 $34.93 $34.12 $33.56 $32.74 Market value per share for the quarter: High 40.62 45.19 54.88 61.34 63.89 Low 25.61 34.51 39.62 50.26 58.18 Close 25.63 35.08 43.53 51.28 59.47 Quarterly ratios: Return on average common shareholders' equity from continuing operations 4.26% 8.51% 9.20% 14.27% 15.44% Return on average common shareholders' equity 4.25 8.42 9.35 14.41 15.44 Return on average assets from continuing operations 0.34 0.69 0.77 1.22 1.35 Return on average assets 0.33 0.68 0.79 1.23 1.35 Efficiency ratio 63.02 58.25 62.76 58.00 55.97 Number of banking centers 416 420 417 403 402 Number of employees - full time equivalent 10,530 10,643 10,782 10,683 10,687 * June 30, 2008 ratios are estimated PARENT COMPANY ONLY BALANCE SHEETS Comerica Incorporated (in millions, except June 30, Dec. 31, June 30, share data) 2008 2007 2007 ASSETS Cash and due from subsidiary bank $4 $1 $9 Short-term investments with subsidiary bank 179 224 353 Other short-term investments 105 102 103 Investment in subsidiaries, principally banks 5,818 5,840 5,617 Premises and equipment 4 4 3 Other assets 169 166 147 Total assets $6,279 $6,337 $6,232 LIABILITIES AND SHAREHOLDERS' EQUITY Medium- and long-term debt $967 $968 $946 Other liabilities 230 252 277 Total liabilities 1,197 1,220 1,223 Common stock - $5 par value: Authorized - 325,000,000 shares Issued - 178,735,252 shares at 6/30/08, 12/31/07, and 6/30/07 894 894 894 Capital surplus 576 564 539 Accumulated other comprehensive loss (207) (177) (308) Retained earnings 5,451 5,497 5,391 Less cost of common stock in treasury - 28,281,490 shares at 6/30/08, 28,747,097 shares at 12/31/07 and 25,725,671 shares at 6/30/07 (1,632) (1,661) (1,507) Total shareholders' equity 5,082 5,117 5,009 Total liabilities and shareholders' equity $6,279 $6,337 $6,232 CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Comerica Incorporated and Subsidiaries Accumulated Common Stock Other Total Compre- Treas- Share- (in millions, except In Capital hensive Retained ury holders' per share data) Shares Amount Surplus Loss Earnings Stock Equity BALANCE AT JANUARY 1, 2007 157.6 $894 $520 $(324) $5,230 $(1,219) $5,101 Net income - - - - 386 - 386 Other comprehensive income, net of tax - - - 16 - - 16 Total comprehensive income 402 Cash dividends declared on common stock ($1.28 per share) - - - - (199) - (199) Purchase of common stock (6.9) - - - - (425) (425) Net issuance of common stock under employee stock plans 2.3 - (17) - (26) 138 95 Recognition of share- based compensation expense - - 35 - - - 35 Employee deferred compensation obligations - - 1 - - (1) - BALANCE AT JUNE 30, 2007 153.0 $894 $539 $(308) $5,391 $(1,507) $5,009 BALANCE AT JANUARY 1, 2008 150.0 $894 $564 $(177) $5,497 $(1,661) $5,117 Net income - - - - 165 - 165 Other comprehensive income, net of tax - - - (30) - - (30) Total comprehensive income - - - - - - 135 Cash dividends declared on common stock ($1.32 per share) - - - - (199) - (199) Net issuance of common stock under employee stock plans 0.5 - (19) - (12) 29 (2) Recognition of share- based compensation expense - - 31 - - - 31 BALANCE AT JUNE 30, 2008 150.5 $894 $576 $(207) $5,451 $(1,632) $5,082 BUSINESS SEGMENT FINANCIAL RESULTS Comerica Incorporated and Subsidiaries Wealth & (dollar amounts in millions) Business Retail Institutional Three Months Ended June 30, 2008 Bank Bank Management Earnings summary: Net interest income (expense) (FTE) $296 $146 $37 Provision for loan losses 123 29 5 Noninterest income 92 54 74 Noninterest expenses 185 161 83 Provision (benefit) for income taxes (FTE) 23 3 9 Loss from discontinued operations, net of tax - - - Net income (loss) $57 $7 $14 Net credit-related charge-offs $96 $14 $3 Selected average balances: Assets $42,335 $7,100 $4,646 Loans 41,510 6,348 4,502 Deposits 15,384 17,043 2,493 Liabilities 16,156 17,041 2,501 Attributed equity 3,277 657 333 Statistical data: Return on average assets (1) 0.53 % 0.15 % 1.19 % Return on average attributed equity 6.86 4.13 16.57 Net interest margin (2) 2.85 3.44 3.28 Efficiency ratio 49.26 80.61 75.20 Three Months Ended June 30, 2008 Finance Other Total Earnings summary: Net interest income (expense) (FTE) $(28) $(8) $443 Provision for loan losses - 13 170 Noninterest income 18 4 242 Noninterest expenses 2 (8) 423 Provision (benefit) for income taxes (FTE) (7) 8 36 Loss from discontinued operations, net of tax - - - Net income (loss) $(5) $(17) $56 Net credit-related charge-offs $- $- $113 Selected average balances: Assets $10,333 $1,549 $65,963 Loans 5 2 52,367 Deposits 8,409 435 43,764 Liabilities 24,334 738 60,770 Attributed equity 949 (23) 5,193 Statistical data: Return on average assets (1) N/M N/M 0.33 % Return on average attributed equity N/M N/M 4.25 Net interest margin (2) N/M N/M 2.91 Efficiency ratio N/M N/M 63.02 Wealth & Business Retail Institutional Three Months Ended March 31, 2008 Bank Bank Management Earnings summary: Net interest income (expense) (FTE) $329 $148 $36 Provision for loan losses 147 17 - Noninterest income 74 74 75 Noninterest expenses 176 143 79 Provision (benefit) for income taxes (FTE) 18 22 12 Income from discontinued operations, net of tax - - - Net income (loss) $62 $40 $20 Net credit-related charge-offs $99 $10 $1 Selected average balances: Assets $42,129 $7,144 $4,468 Loans 41,219 6,276 4,315 Deposits 15,878 17,162 2,637 Liabilities 16,687 17,170 2,646 Attributed equity 3,168 725 331 Statistical data: Return on average assets (1) 0.59 % 0.89 % 1.79 % Return on average attributed equity 7.83 22.00 24.10 Net interest margin (2) 3.20 3.47 3.33 Efficiency ratio 44.05 70.99 70.95 Three Months Ended March 31, 2008 Finance Other Total Earnings summary: Net interest income (expense) (FTE) $(26) $(10) $477 Provision for loan losses - (5) 159 Noninterest income 18 (4) 237 Noninterest expenses 3 2 403 Provision (benefit) for income taxes (FTE) (8) (2) 42 Income from discontinued operations, net of tax - (1) (1) Net income (loss) $(3) $(10) $109 Net credit-related charge-offs $- $- $110 Selected average balances: Assets $8,644 $1,542 $63,927 Loans 5 37 51,852 Deposits 8,142 243 44,062 Liabilities 21,636 596 58,735 Attributed equity 902 66 5,192 Statistical data: Return on average assets (1) N/M N/M 0.68 % Return on average attributed equity N/M N/M 8.42 Net interest margin (2) N/M N/M 3.22 Efficiency ratio N/M N/M 58.25 Wealth & Business Retail Institutional Three Months Ended June 30, 2007 Bank Bank Management Earnings summary: Net interest income (expense) (FTE) $344 $171 $36 Provision for loan losses 32 4 2 Noninterest income 68 57 70 Noninterest expenses 176 160 79 Provision (benefit) for income taxes (FTE) 64 22 9 Income from discontinued operations, net of tax - - - Net income (loss) $140 $42 $16 Net credit-related charge-offs $24 $6 $- Selected average balances: Assets $40,847 $6,828 $4,009 Loans 39,824 6,100 3,860 Deposits 16,432 17,191 2,295 Liabilities 17,262 17,204 2,303 Attributed equity 2,914 846 325 Statistical data: Return on average assets (1) 1.37 % 0.94 % 1.59 % Return on average attributed equity 19.23 20.09 19.65 Net interest margin (2) 3.45 4.00 3.74 Efficiency ratio 42.80 69.93 74.65 Three Months Ended June 30, 2007 Finance Other Total Earnings summary: Net interest income (expense) (FTE) $(35) $(6) $510 Provision for loan losses - (2) 36 Noninterest income 16 14 225 Noninterest expenses 3 (7) 411 Provision (benefit) for income taxes (FTE) (11) 8 92 Income from discontinued operations, net of tax - - - Net income (loss) $(11) $9 $196 Net credit-related charge-offs $- $- $30 Selected average balances: Assets $5,297 $1,137 $58,118 Loans 2 7 49,793 Deposits 5,840 (76) 41,682 Liabilities 16,033 228 53,030 Attributed equity 595 408 5,088 Statistical data: Return on average assets (1) N/M N/M 1.35 % Return on average attributed equity N/M N/M 15.44 Net interest margin (2) N/M N/M 3.76 Efficiency ratio N/M N/M 55.97 (1) Return on average assets is calculated based on the greater of average assets or average liabilities and attributed equity. (2) Net interest margin is calculated based on the greater of average earning assets or average deposits and purchased funds. FTE - Fully Taxable Equivalent N/M - Not Meaningful MARKET SEGMENT FINANCIAL RESULTS Comerica Incorporated and Subsidiaries (dollar amounts in millions) Three Months Ended June 30, 2008 Midwest Western Texas Florida Earnings summary: Net interest income (expense) (FTE) $172 $171 $74 $12 Provision for loan losses 24 113 6 7 Noninterest income 136 34 22 4 Noninterest expenses 205 115 63 11 Provision (benefit) for income taxes (FTE) 27 (3) 10 (1) Income from discontinued operations, net of tax - - - - Net income (loss) $52 $(20) $17 $(1) Net credit-related charge-offs $42 $59 $3 $8 Selected average balances: Assets $19,891 $17,241 $8,063 $1,854 Loans 19,255 16,918 7,795 1,851 Deposits 16,056 12,345 4,061 306 Liabilities 16,750 12,326 4,076 302 Attributed equity 1,649 1,336 614 118 Statistical data: Return on average assets (1) 1.05 % (0.46)% 0.81 % (0.37)% Return on average attributed equity 12.67 (5.97) 10.66 (5.84) Net interest margin (2) 3.58 4.04 3.78 2.50 Efficiency ratio 69.48 56.09 65.55 72.21 Finance Other Inter- & Other Three Months Ended June 30, 2008 Markets national Businesses Total Earnings summary: Net interest income (expense) (FTE) $36 $14 $(36) $443 Provision for loan losses 7 - 13 170 Noninterest income 16 8 22 242 Noninterest expenses 25 10 (6) 423 Provision (benefit) for income taxes (FTE) (3) 5 1 36 Income from discontinued operations, net of tax - - - - Net income (loss) $23 $7 $(22) $56 Net credit-related charge-offs $1 $- $- $113 Selected average balances: Assets $4,589 $2,443 $11,882 $65,963 Loans 4,212 2,329 7 52,367 Deposits 1,375 777 8,844 43,764 Liabilities 1,466 778 25,072 60,770 Attributed equity 389 161 926 5,193 Statistical data: Return on average assets (1) 1.96 % 1.21 % N/M 0.33 % Return on average attributed equity 23.17 18.31 N/M 4.25 Net interest margin (2) 3.41 2.42 N/M 2.91 Efficiency ratio 48.61 45.61 N/M 63.02 Three Months Ended March 31, 2008 Midwest Western Texas Florida Earnings summary: Net interest income (expense) (FTE) $205 $172 $74 $11 Provision for loan losses 20 114 8 12 Noninterest income 136 33 24 5 Noninterest expenses 186 108 58 10 Provision (benefit) for income taxes (FTE) 48 (7) 12 (2) Income from discontinued operations, net of tax - - - - Net income (loss) $87 $(10) $20 $(4) Net credit-related charge-offs $28 $66 $5 $10 Selected average balances: Assets $19,656 $17,263 $7,932 $1,891 Loans 19,030 16,882 7,642 1,877 Deposits 16,127 12,848 4,005 362 Liabilities 16,814 12,849 4,022 358 Attributed equity 1,663 1,270 619 125 Statistical data: Return on average assets (1) 1.76 % (0.23)% 1.00 % (0.76)% Return on average attributed equity 20.83 (3.19) 12.88 (11.57) Net interest margin (2) 4.30 4.07 3.83 2.55 Efficiency ratio 57.48 52.99 61.28 61.24 Finance Other Inter- & Other Three Months Ended March 31, 2008 Markets national Businesses Total Earnings summary: Net interest income (expense) (FTE) $36 $15 $(36) $477 Provision for loan losses 13 (3) (5) 159 Noninterest income 17 8 14 237 Noninterest expenses 26 10 5 403 Provision (benefit) for income taxes (FTE) (5) 6 (10) 42 Income from discontinued operations, net of tax - - (1) (1) Net income (loss) $19 $10 $(13) $109 Net credit-related charge-offs $- $1 $- $110 Selected average balances: Assets $4,633 $2,366 $10,186 $63,927 Loans 4,140 2,239 42 51,852 Deposits 1,534 801 8,385 44,062 Liabilities 1,643 817 22,232 58,735 Attributed equity 384 163 968 5,192 Statistical data: Return on average assets (1) 1.61 % 1.76 % N/M 0.68 % Return on average attributed equity 19.47 25.50 N/M 8.42 Net interest margin (2) 3.42 2.69 N/M 3.22 Efficiency ratio 50.41 44.09 N/M 58.25 Three Months Ended June 30, 2007 Midwest Western Texas Florida Earnings summary: Net interest income (expense) (FTE) $227 $188 $71 $11 Provision for loan losses 25 5 3 2 Noninterest income 117 32 20 3 Noninterest expenses 203 113 56 9 Provision (benefit) for income taxes (FTE) 40 38 11 1 Income from discontinued operations, net of tax - - - - Net income (loss) $76 $64 $21 $2 Net credit-related charge-offs (recoveries) $29 $4 $1 $1 Selected average balances: Assets $19,213 $17,257 $6,844 $1,666 Loans 18,656 16,715 6,570 1,649 Deposits 15,651 13,595 3,836 290 Liabilities 16,309 13,633 3,852 293 Attributed equity 1,713 1,206 594 90 Statistical data: Return on average assets (1) 1.58 % 1.51 % 1.20 % 0.50 % Return on average attributed equity 17.78 21.59 13.87 9.33 Net interest margin (2) 4.85 4.53 4.32 2.64 Efficiency ratio 59.08 51.14 61.92 63.90 Finance Other Inter- & Other Three Months Ended June 30, 2007 Markets national Businesses Total Earnings summary: Net interest income (expense) (FTE) $35 $19 $(41) $510 Provision for loan losses 9 (6) (2) 36 Noninterest income 14 9 30 225 Noninterest expenses 23 11 (4) 411 Provision (benefit) for income taxes (FTE) (3) 8 (3) 92 Income from discontinued operations, net of tax - - - - Net income (loss) $20 $15 $(2) $196 Net credit-related charge-offs (recoveries) $- $(5) $- $30 Selected average balances: Assets $4,430 $2,274 $6,434 $58,118 Loans 4,049 2,145 9 49,793 Deposits 1,299 1,247 5,764 41,682 Liabilities 1,416 1,266 16,261 53,030 Attributed equity 327 155 1,003 5,088 Statistical data: Return on average assets (1) 1.79 % 2.61 % N/M 1.35 % Return on average attributed equity 24.18 38.38 N/M 15.44 Net interest margin (2) 3.48 3.35 N/M 3.76 Efficiency ratio 46.16 40.12 N/M 55.97 (1) Return on average assets is calculated based on the greater of average assets or average liabilities and attributed equity. (2) Net interest margin is calculated based on the greater of average earning assets or average deposits and purchased funds. FTE - Fully Taxable Equivalent N/M - Not Meaningful DATASOURCE: Comerica Incorporated

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