Exhibit 12.1 Coso Finance Partners and Coso Finance Partners II (Navy I Partnership) Ratio of Earnings to Fixed Charges Ratio of EBITDA before cumulative effect of accounting change to Fixed Charges Ratio of EBITDA before cumulative effect of accounting change less Capital Expenditures to Fixed Charges (dollars in thousands) Year Ended December 31, -------------------------------------------- 1994 1995 1996 1997 1998 Net income $54,517 $61,455 $76,477 $62,159 $16,588 Cumulative effect of accounting change - - - - 923 -------- -------- -------- -------- -------- Income before cumulative effect of accounting change 54,517 61,455 76,477 62,159 17,511 Fixed charges 12,991 11,356 8,868 6,260 4,333 -------- -------- -------- -------- -------- Earnings plus fixed charges $67,508 $72,811 $85,345 $68,419 $21,844 ======== ======== ======== ======== ======== Fixed charges (Interest expense which includes amortization of debt issuance cost) $12,991 $11,356 $8,868 $6,260 $4,333 ======== ======== ======== ======== ======== Ratio of earnings to fixed charges 5.2x 6.4x 9.6x 10.9x 5.0x ======== ======== ======== ======== ======== Net income $54,517 $61,455 $76,477 $62,159 $16,588 Interest expense 12,991 11,356 8,868 6,260 4,333 Depreciation and amortization 12,109 12,770 13,325 12,814 11,772 Cumulative effect of accounting change - - - - 923 -------- -------- -------- -------- -------- EBITDA before cumulative effect of accounting change $79,617 $85,581 $98,670 $81,233 $33,616 ======== ======== ======== ======== ======== EBITDA before cumulative effect of accounting change $79,617 $85,581 $98,670 $81,233 $33,616 Capital expenditures 14,417 6,965 2,294 4,589 6,683 -------- -------- -------- -------- -------- EBITDA before cumulative effect of accounting change less capital expenditures $65,200 $78,616 $96,376 $76,644 $26,933 ======== ======== ======== ======== ======== Ratio of EBITDA before cumulative effect of accounting change to fixed charges 6.1x 7.5x 11.1x 13.0x 7.8x ======== ======== ======== ======== ======== Ratio of EBITDA before cumulative effect of accounting change less capital expenditures to fixed charges 5.0x 6.9x 10.9x 12.2x 6.2x ======== ======== ======== ======== ======== Three Months Ended March 31, 1999 ---------------------------------- Two Months One Month Three Months Ended Ended Ended February 28, March 31, March 31, 1998 1999 1999 Total Net income $2,395 $3,017 $1,141 $4,158 Cumulative effect of accounting change - - - - -------- -------- ------- ------ Income before cumulative effect of accounting change 2,395 3,017 1,141 4,158 Fixed charges 1,124 663 1,630 2,293 -------- -------- ------- ------ Earnings plus Fixed charges $3,519 $3,680 $2,771 $6,451 ======== ======== ======= ====== Fixed charges (Interest expense which includes amortization of debt issuance cost) $1,124 $ 663 $1,630 $2,293 ======== ======== ======= ====== Ratio of earnings to fixed charges 3.1x 5.6x 1.7x 2.8x ======== ======== ======= ====== Net income $2,395 $3,017 $1,141 $4,158 Interest expense 1,124 663 1,630 2,293 Depreciation and amortization 2,957 1,604 783 2,387 Cumulative effect of accounting change - - - - ---------------------------------------------------- EBITDA before cumulative effect of accounting change $6,476 $5,284 $3,554 $8,838 ======== ======== ======= ====== EBITDA before cumulative effect of accounting change $6,476 $5,284 $3,554 $8,838 Capital expenditures 24 538 271 809 ---------------------------------------------------- EBITDA before cumulative effect of accounting change less capital expenditures $6,452 $4,746 $3,283 $8,029 ======== ======== ======= ====== Ratio of EBITDA before cumulative effect of accounting change to fixed charges 5.8x 8.0x 2.2x 3.9x ======== ======== ======= ====== Ratio of EBITDA before cumulative effect of accounting change less capital expenditures to fixed charges 5.7x 7.2x 2.0x 3.5x ======== ======== ======= ======