BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30, 1997 DISTRIBUTION DATE MAY 15, 1997 A. ORIGINAL DEAL PARAMETER INPUTS (A) Total Receivable Balance $305,686,731.00 (B) Total Certificate Balance $305,686,731.00 (C) Class A Certificates (i) Class A Percentage 96.00% (ii) Original Class A Principal Balance $293,459,000.00 (iii) Class A Pass-Through Rate 6.55% (D) Class B Certificates (i) Class B Percentage 4.00% (ii) Original Class B Principal Balance $12,227,731.00 (iii) Class B Pass-Through Rate 6.70% (E) Servicing Fee Rate (per annum) 1.00% (F) Weighted Average Coupon (WAC) 12.15% (G) Weighted Average Original Maturity (WAOM) 60.12 months (H) Weighted Average Remaining Maturity (WAM) 45.97 months (I) Number of Receivables 31,595 (J) Reserve Fund (i) Reserve Fund Initial Deposit Percentage (of initial Certificate Balance) 1.50% (ii) Reserve Fund Initial Deposit $4,585,300.97 (iii) Specified Reserve Balance: (a) On any Distribution Date: The greater of J(iii)(b or c) if 1.75% charge-off and delinquency triggers not hit - otherwise J(iii)(d) (b) Percent of Initial Certificate Balance 1.00% (c) Percent of Remaining Certificate Balance 3.25% (d) Trigger Percent of Remaining Certificate Balance 8.00% BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30, 1997 DISTRIBUTION DATE MAY 15, 1997 B. INPUTS FROM PREVIOUS MONTHLY SERVICER REPORTS (A) Total Receivable Balance $185,648,710.03 (B) Total Certificate Balance $185,648,710.03 (C) Total Certificate Pool Factor 0.6073169 (D) Class A Certificates (i) Class A Certificate Balance $178,222,602.72 (ii) Class A Certificate Pool Factor 0.6073169 (E) Class B Certificates (i) Class B Certificate Balance $7,426,107.31 (ii) Class B Certificate Pool Factor 0.6073169 (F) Reserve Fund Balance 6,033,583.08 (G) Cumulative Net Losses for All Prior Periods 3,651,560.91 (H) Charge-off Rate for Second Preceding Period 0.90% (I) Charge-off Rate for Preceding Period 0.72% (J) Delinquency Percentage for Second Preceding Period 0.45% (K) Delinquency Percentage for Preceding Period 0.37% (L) Weighted Average Coupon (WAC) 11.460% (M) Weighted Average Remaining Maturity (WAM) 36.93 months (N) Number of Receivables 23,610 C. INPUTS FROM THE MAINFRAME (A) Simple Interest Receivables Principal (i) Principal Collections 9,701,878.08 (ii) Prepayments in Full 0.00 (iii) Repurchased Loan Proceeds Related to Principal 0.00 (iv) Other Refunds Related to Principal 0.00 (B) Simple Interest Receivables Interest (i) Interest Collections 1,795,878.03 (ii) Repurchased Loan Proceeds Related to Interest 0.00 (C) Weighted Average Coupon (WAC) 11.46% (D) Weighted Average Remaining Maturity (WAM) 36.33 months (E) Remaining Number of Receivables 22,775 (F) Delinquent Receivables Dollar Amount # Units (i) 30-59 Days Delinquent 2,335,355 1.26% 304 (ii) 60-89 Days Delinquent 669,970 0.36% 80 (iii) 90 Days or More Delinquent 218,635 0.12% 26 D. INPUTS DERIVED FROM OTHER SOURCES (A) Reserve Fund Investment Income 26,848.53 (B) Collection Account Investment Income 0.00 (C) Realized Losses for Collection Period: (i) Charge-offs for current Collection Period - Principal 278,107.06 (ii) Realized Losses for Collection Period (B)(i)-(C)(i) 166,667.86 (D) Net Loss and Liquidated Receivables Information (i) Liquidation Proceeds Related to Principal 111,439.20 (ii) Liquidation Proceeds Related to Interest 0.00 (iii) Recoveries from Prior Month Charge Offs 111,439.20 BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30, 1997 DISTRIBUTION DATE MAY 15, 1997 E. COLLECTIONS Interest Collections: (A) Interest Payments Received 1,795,878.03 (B) Liquidation Proceeds Related to Interest 0.00 (C) Repurchased Loan Proceeds 0.00 (D) Recoveries from Prior Month Charge Offs 111,439.20 ----------------- (E) Interest Collections 1,907,317.23 Principal Collections: (F) Principal Payments Received $9,701,878.08 (G) Liquidation Proceeds Related to Principal 111,439.20 (H) Repurchased Loan Proceeds 0.00 ----------------- (I) Principal Collections 9,813,317.28 (J) Total Collections $11,720,634.51 F. DISTRIBUTABLE AMOUNTS (A) Servicing Fee : (i) Servicing Fee $154,707.26 (ii) Prior Collection Period unpaid Servicing Fees 0.00 ----------------- (iii) Total Servicing Fee $154,707.26 Interest: (B) Class A Certificates (i) Class A Monthly Interest $972,798.37 (ii) Class A prior period Interest Carryover Shortfall 0.00 ----------------- (iii) Class A Interest Distribution $972,798.37 (C) Class B Certificates (i) Class B Monthly Interest $41,462.43 (ii) Class B prior period Interest Carryover Shortfall 0.00 ----------------- (iii) Class B Interest Distribution $41,462.43 (D) Total Certificate Interest Distribution $1,014,260.81 (E) Total Certificate Interest Distribution plus Total Servicing Fee $1,168,968.06 F. DISTRIBUTABLE AMOUNTS Principal: (F) Principal Collections $9,813,317.28 (G) Realized Losses 166,667.86 ----------------- (H) Total Monthly Principal $9,979,985.14 (I) Class A Certificates (i) Class A Monthly Principal 9,580,777.19 (ii) Class A prior period Principal Carryover Shortfall 0.00 ----------------- (iii) Class A Principal Distribution 9,580,777.19 (J) Class B Certificates (i) Class B Monthly Principal 399,207.95 (ii) Class B prior period Principal Carryover Shortfall 0.00 ----------------- (iii) Class B Principal Distribution 399,207.95 (K) Total Principal Distribution 9,979,985.14 (L) Total Interest and Principal Distribution Amounts 11,148,953.20 plus Servicing Fee BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30 1997 DISTRIBUTION DATE MAY 15, 1997 G. DISTRIBUTIONS (A) Total Interest Collections available to be distributed 1,907,317.23 (B) Class B Percentage of Principal Collections 392,541.09 (C) Servicing Fee : (i) Total Servicing Fee 154,707.26 (ii) Servicing Fee paid 154,707.26 ------------- (iii) Unpaid Servicing Fee 0.00 (D) Total Interest Collections available to be distributed after Servicing Fee paid 1,752,609.97 Interest: (E) Class A Certificates (i) Class A Interest Distribution 972,798.37 (ii) Class A Interest Distribution paid from Interest Collections after Servicing Fee 972,798.37 (iii) Total Interest Collections available after Class A Interest Distribution paid 779,811.60 (iv) Class A Interest Distribution remaining to be paid 0.00 (v) Class A Interest Distribution paid from Class B Percentage of Principal Collections 0.00 (vi) Class A Interest Distribution remaining to be paid 0.00 (vii) Class A Interest Distribution paid from Reserve Fund 0.00 (viii) Class A Interest Carryover Shortfall 0.00 (ix) Class A Interest Distribution paid 972,798.37 (F) Class B Certificates (i) Class B Interest Distribution 41,462.43 (ii) Class B Interest Distribution paid from Interest Collections after Class A Interest Distribution 41,462.43 (iii) Total Interest Collections available after Class B Interest Distribution paid 738,349.17 (iv) Class B Interest Distribution remaining to be paid 0.00 (v) Class B Interest Distribution paid from Reserve Fund 0.00 (vi) Class B Interest Carryover Shortfall 0.00 (vii) Class B Interest Distribution paid 41,462.43 (G) Total Interest Paid 1,014,260.81 (H) Total Interest and Servicing Fee Paid 1,168,968.06 (I) Total Interest Collections available after Servicing Fee and Class A and Class B Interest Distribution paid 738,349.17 Total Collections available to be distributed: (J) Total Principal Collections 9,813,317.28 (K) Excess Interest 738,349.17 (L) Less: Class B Percentage of Principal Collections used to pay Class A Interest Distribution 0.00 (M) Total Collections available to be distributed as principal 10,551,666.45 Principal: (N) Class A Certificates (i) Class A Principal Distribution 9,580,777.19 (ii) Class A Principal Distribution paid from total Collections available to be distributed 9,580,777.19 (iii) Total Collections available after Class A Principal Distribution paid 970,889.26 (iv) Class A Principal Distribution remaining to be paid 0.00 (v) Class A Principal Distribution paid from Reserve Fund 0.00 (vi) Class A Principal Carryover Shortfall 0.00 (vii) Total Class A Principal Distribution paid 9,580,777.19 (O) Class B Certificates (i) Class B Principal Distribution 399,207.95 (ii) Class B Principal Distribution paid from total Collections available to be distributed 399,207.95 (iii) Total Collections available after Class B Principal Distribution paid 571,681.31 (iv) Class B Principal Distribution remaining to be paid 0.00 (v) Class B Principal Distribution paid from Reserve Fund 0.00 (vi) Class B Principal Carryover Shortfall 0.00 (vii) Total Class B Principal Distribution paid 399,207.95 (P) Total Excess Cash to the Reserve Fund 571,681.31 BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30, 1997 DISTRIBUTION DATE MAY 15, 1997 H. POOL BALANCE AND PORTFOLIO INFORMATION Beginning End of Period of Period ----------------- ----------------- (A) Balances and Pool Factors (i) Aggregate Balance of Certificates $185,648,710.03 $175,668,724.89 (ii) Aggregate Certificate Pool Factor 0.6073169 0.5746691 (iii) Class A Principal Balance 178,222,602.72 168,641,825.53 (iv) Class A Pool Factor 0.6073169 0.5746691 (v) Class B Principal Balance 7,426,107.31 7,026,899.36 (vi) Class B Pool Factor 0.6073169 0.5746691 (B) Pool Information (i) Weighted Average Coupon (WAC) 11.46% 11.46% (ii) Weighted Average Remaining Maturity (WAM) 36.93 months 36.33 months (iii) Remaining Number of Receivables 23,610 22,775 (iv) Pool Balance $185,648,710.03 $175,668,724.89 I. RECONCILIATION OF RESERVE ACCOUNT (A) Beginning Reserve Account Balance 6,033,583.08 (B) Less: Draw to pay Class A Interest Distribution 0.00 (C) Reserve Account Balance after draw 6,033,583.08 (D) Less: Draw to pay Class B Interest Distribution 0.00 (E) Reserve Account Balance after draw 6,033,583.08 (F) Less: Draw to pay Class A Principal Distribution 0.00 (G) Reserve Account Balance after draw 6,033,583.08 (H) Less: Draw to pay Class B Principal Distribution 0.00 (I) Reserve Account Balance after draw 6,033,583.08 (J) Total excess Collections deposited in the Reserve Fund 571,681.31 -------------------- (K) Reserve Fund Balance 6,605,264.39 (L) Specified Reserve Account Balance 5,709,233.56 (M) Reserve Account Release to Seller 896,030.83 -------------------- (N) Ending Reserve Account Balance 5,709,233.56 ===================- J. NET LOSS AND DELINQUENCY ACCOUNT ACTIVITY (A) Liquidated Contracts (i) Liquidation Proceeds Related to Principal $111,439.20 (ii) Liquidation Proceeds Related to Interest 0.00 (iii) Recoveries on Previously Liquidated Contracts 111,439.20 (B) Realized Net Losses for Collection Period 166,667.86 (C) Charge-off Rate for Collection Period (annualized) 0.37% (D) Cumulative Aggregate Net Losses for all Periods 3,818,228.77 (E) Delinquent Receivables Dollar Amount # Units ------------- - ----- (i) 30-59 Days Delinquent 2,335,355 1.26% 304 (ii) 60-89 Days Delinquent 669,970 0.36% 80 (iii) 90 Days or More Delinquent 218,635 0.12% 26 BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30, 1997 DISTRIBUTION DATE MAY 15, 1997 K. TESTS FOR INCREASE IN SPECIFIED RESERVE ACCOUNT BALANCE (A) Charge-off Rate 0.90% (i) Second Preceding Collection Period 0.72% (ii) Preceding Collection Period (iii) Current Collection Period 0.37% (iv) Three Month Average (Avg(i,ii,iii)) 0.66 (B) Delinquency Percentages (i) Second Preceding Collection Period 0.45% (ii) Preceding Collection Period 0.37% (iii) Current Collection Period 0.48% (iv) Three Month Average (Avg(i,ii,iii)) 0.43% (C) Loss and Delinquency Trigger Indicator Trigger was not hit BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30, 1997 DISTRIBUTION DATE MAY 15, 1997 L. STATEMENT TO CERTIFICATEHOLDERS Per $1,000 of Original Principal ------------------ (A) Amount of distribution allocable to principal: Dollars ($) Balance ----------------- -------------- (i) Class A Certificates 9,580,777.19 32.6477538 (ii) Class B Certificates 399,207.95 32.6477538 Per $1,000 of Original Principal (B) Amount of distribution allocable to interest: Dollars ($) Balance ----------------- -------------- (i) Class A Certificates 972,798.37 3.3149379 (ii) Class B Certificates 41,462.43 3.3908525 (C) Pool Balance as of the close of business on the last day of the Collection Period $175,668,724.89 ----------------- Per $1,000 of Original Principal ------------------ (D) Amount of the Servicing Fee paid to the Servicer with respect to the related Dollars ($) Balance Collection Period ----------------- -------------- (i) Total Servicing Fee 154,707.26 (ii) Class A Percentage of the Servicing Fee 148,518.84 0.5060974 (ii) Class B Percentage of the Servicing Fee 6,188.42 0.5060974 Per $1,000 of Original Principal ------------------ Dollars ($) Balance ----------------- -------------- (E) (i) Class A Interest Carryover Shortfall 0.00 0.0000000 (ii) Class A Principal Carryover Shortfall 0.00 0.0000000 (iii) Class B Interest Carryover Shortfall 0.00 0.0000000 (iv) Class B Principal Carryover Shortfall 0.00 0.0000000 Change with respect to immediately preceding Distribution Date: (v) Class A Interest Carryover Shortfall 0.00 0.0000000 (vi) Class A Principal Carryover Shortfall 0.00 0.0000000 (vii) Class B Interest Carryover Shortfall 0.00 0.0000000 (viii) Class B Principal Carryover Shortfall 0.00 0.0000000 (F) Pool factors for each class of certificates, after giving effect to all payments allocated to principal Pool Factor -------------- (i) Class A Pool Factor 0.5746691 (ii) Class B Pool Factor 0.5746691 (G) Amount of the aggregate Realized Losses, if any, for such Collection Period ($) $166,667.86 ----------- (H) Aggregate principal balance of all Receivables which were more than 60 days delinquent as of the close of business on the last day of the preceding Collection Period $888,605.60 (I) Amount on deposit in the Reserve Fund on such Distribution Date, after giving effect to distribution made on such Distribution Date $5,709,233.56 ------------- (J) Aggregate outstanding principal balances for each class of certificates, after giving effect to all payments allocated to principal Principal Balance ----------------- (i) Class A Principal Balance 168,641,825.53 (ii) Class B Principal Balance 7,026,899.36 (K) Amount otherwise distributable to the Class B Certificateholders that is being distributed to the Class A Certificateholders on such Distribution Date $0.00 (L) Aggregate Purchase Amount of Receivables repurchased by the Seller or purchased by the Servicer with respect to the Related Collection Period ($) $0.00 ----------- BANC ONE AUTO GRANTOR TRUST 1996-B DETERMINATION DATE STATEMENT COLLECTION PERIOD APRIL 1, 1997 THROUGH APRIL 30, 1997 DISTRIBUTION DATE MAY 15, 1997 M. INSTRUCTIONS TO THE TRUSTEE On the Distribution Date, make the following deposits and distributions: (A) Withdraw from the Collection Account and distribute to the Servicer: (i) Servicing Fee $154,707.26 (ii) Servicing Fees retained by the Seller 154,707.26 -------------- (iii) Servicing Fees to be distributed to the Seller on the Distribution $0.00 Date (i-ii) --------------- (B) Withdraw from the Collection Account and deposit in the Class A Distribution Account: (i) for the Class A Interest Distribution $972,798.37 (ii) for the Class A Principal Distribution 9,580,777.19 -------------- (iii) Total (i+ii) $10,553,575.56 ----------------- (C) Withdraw from the Collection Account and deposit in the Class B Distribution Account: (i) for the Class B Interest Distribution $41,462.43 (ii) for the Class B Principal Distribution 399,207.95 -------------- (iii) Total (i+ii) $440,670.38 ----------------- (D) Withdraw excess Collections from the Collection Account and deposit in $571,681.31 the Reserve Fund ----------------- (E) Withdraw from the Reserve Fund and deposit in the Class A Distribution Account: (i) Amount equal to the excess of the Class A Interest Distribution over the sum of Interest Collections and the Class B Percentage of Principal Collections $0.00 (ii) Amount equal to the excess of the Class A Principal Distribution over the portion of Principal Collections and Interest Collections remaining after the distribution of the Class A Interest Distribution and the Class B Interest Distribution 0.00 ------------------- (iii) Total $0.00 ------------------- (F) Withdraw from the Reserve Fund and deposit in the Class B Distribution Account: (i) Amount equal to the excess of the Class B Interest Distribution over the portion of Interest Collections remaining after the distribution of the Class A Interest Distribution $0.00 ------------------- (ii) Amount equal to the excess of the Class B Principal Distribution over the portion of Principal Collections and Interest Collections remaining after the distribution of the Class A Interest Distribution, the Class B Interest Distribution, and the Class A Principal Distribution 0.00 ------------------- (iii) Total $0.00 --------------