1 EXHIBIT (99)I OPERATING MARGIN AND RATE VOLUME ANALYSIS D&N FINANCIAL CORPORATION Average balance Average rate Interest ------------------------------------------------------------------------------ Operating margin for September 30, September 30, September 30, Quarter ended 1998 1997 1998 1997 1998 1997 ----------------------------------------------------------------------------------------------------------------------------- (Dollars in thousands) Interest-earning assets: Loans receivable $1,309,757 $1,226,453 8.01% 8.26% $ 26,375 $ 25,453 Mortgage-backed securities 472,452 258,813 6.57% 7.16% 7,763 4,631 Investments 92,582 130,255 6.21% 6.26% 1,450 2,058 ---------- ---------- ---- ---- ---------- ---------- 1,874,791 1,615,521 7.56% 7.92% 35,588 32,142 ---------- ---------- ---- ---- ---------- ---------- Interest-bearing liabilities: Deposits 1,126,946 1,023,886 4.62% 4.76% 13,126 12,279 Borrowings Securities sold w/repo 81,505 91,119 5.58% 5.57% 1,162 1,296 Notes payable 537,677 390,927 5.82% 5.88% 7,993 5,871 Other borrowed money 5,453 7,815 9.90% 9.21% 135 180 ---------- ---------- ---- ---- ---------- ---------- Subtotal - Borrowings 624 ,635 489,861 5.82% 5.87% 9,290 7,347 ---------- ---------- ---- ---- ---------- ---------- 1,751,581 1,513,747 5.05% 5.12% 22,416 19,626 ---------- ---------- ---- ---- ---------- ---------- Interest rate spread 2.51% 2.80% ==== ==== Excess average earning assets $ 123,210 $ 101,774 ========== ========== Net interest margin 2.84% 3.13% $ 13,172 $ 12,516 ==== ==== ========== ========== Variance due to: ------------------------------------- Operating margin for Increase Quarter ended (Decrease) Volume Rate ----------------------------------------------------------------------------------- Interest-earning assets: Loans receivable $ 922 $ 1,722 ($ 800) Mortgage-backed securities 3,132 3,539 (407) Investments (608) (591) (17) ---------- ---------- ------ 3,446 4,670 1,224) ---------- ---------- ------ Interest-bearing liabilities: Deposits 847 1,208 (361) Borrowings Securities sold w/repo (134) (137) 3 Notes payable 2,122 2,182 (60) Other borrowed money (45) (58) 13 ---------- ---------- ------- Subtotal - Borrowings 1,943 1,987 (44) ---------- ---------- ------- 2,790 3,195 (405) ---------- ---------- ------- Interest rate spread Excess average earning assets Net interest margin $ 656 $ 1,475 ($ 819) ========== ========== ======= Average balance Average rate Interest --------------------------------------------------------------------------- Operating margin for September 30, September 30, September 30, Year to date 1998 1997 1998 1997 1998 1997 --------------------------------------------------------------------------- (Dollars in thousands) Interest-earning assets: Loans receivable $1,328,196 $1,145,964 8.03% 8.26% $80,035 $ 70,988 Mortgage-backed securities 395,180 254,305 6.73% 7.18% 19,955 13,692 Investment 92,743 130,107 6.50% 6.25% 4,513 6,090 ---------- ---------- ---- ---- ------- ---------- 1,816,119 1,530,376 7.67% 7.91% 104,503 90,770 ---------- ---------- ---- ---- ------- ---------- Interest-bearing liabilities: Deposits 1,069,997 1,004,148 4.64% 4.73% 37,108 35,554 Borrowings Securities sold w/repo 105,865 76,433 5.57% 5.52% 4,469 3,202 Notes payable 514,578 360,820 5.83% 5.77% 22,767 15,789 Other borrowed money 6,610 8,073 9.34% 9.33% 463 565 ---------- ---------- ---- ---- ------- ---------- Subtotal - Borrowings 627 ,053 445,326 5.83% 5.79% 27,699 19,556 ---------- ---------- ---- ---- ------- ---------- 1,697,050 1,449,474 5.08% 5.06% 64,807 55,110 ---------- ---------- ---- ---- ------- ---------- Interest rate spread 2.59% 2.85% ==== ==== Excess average earning assets $ 119,069 $ 80,902 ========== ========== Net interest margin 2.93% 3.12% $39,696 $ 35,660 ==== ==== ======= ========== Variance due to: ---------------------------------------- Operating margin for Increase Year to date (Decrease) Volume Rate - - ---------------------------------------------------------------------------------------------- Interest-earning assets: Loans receivable $ 9,047 $11,048 ($2,001) Mortgage-backed securities 6,263 7,161 (898) Investment (1,577) (1,815) 238 --------- ------- ------- 13,733 16,394 (2,661) --------- ------- ------- Interest-bearing liabilities: Deposits 1,554 2,295 (741) Borrowings Securities sold w/repo 1,267 1,242 25 Notes payable 6,978 6,801 177 Other borrowed money (102) (102) 0 --------- ------- ------- Subtotal - Borrowings 8,143 7,941 202 --------- ------- ------- 9,697 10,236 (539) --------- ------- ------- Interest rate spread Excess average earning assets Net interest margin $ 4,036 $ 6,158 ($2,122) ========= ======= =======