Common use of Pricing Grid Clause in Contracts

Pricing Grid. If the Level The Facility Fee The The L/C Fee Rate The Eurodollar The Base Rate Status Is Rate is: Utilization is: Margin is: Margin is: Fee Rate is: ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level I Status 0.100% 0.100% 0.400% 0.400% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level II Status 0.125% 0.125% 0.475% 0.475% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level III Status 0.150% 0.150% 0.600% 0.600% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level IV Status 0.175% 0.200% 0700% 0.700% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level V Status 0.250% 0.250% 0.750% 0.750% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level VI Status 0.6725% 0.500% 1.400% 1.400% 0.400% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. In the event that the ▇▇▇▇▇'▇ Rating and the S&P Rating fall in consecutive Levels, the rating falling in the lower Level (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. In the event that the ▇▇▇▇▇'▇ Rating and the S&P Rating fall in non-consecutive Levels, the Level immediately above the Level in which the lower rating falls (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. SCHEDULE 1 TO COMPLIANCE CERTIFICATE Compliance Calculations for Credit Agreement CALCULATION AS OF ________ __,200_ ------------------------------------------------------------------ --------------------- --------------------------- A. Liens (Sec. 7.9(c), (d), and (g)) ------------------------------------------------------------------ --------------------- --------------------------- ------------------------------------------------------------------ --------------------- ---------------------------

Pricing Grid. If the Level The Facility Fee The The L/C Fee Rate The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Utilization is: Margin is: Margin is: Fee Rate is: ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ________________________________________________________________________________ Level I Status 0.1000.080% 0.320% 0.000% 0.100% 0.400Status ________________________________________________________________________________ Level II 0.090% 0.4000.360% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- 0.100% Status ________________________________________________________________________________ Level II III 0.100% 0.450% 0.000% 0.100% Status ________________________________________________________________________________ Level IV 0.125% 0.525% 0.000% 0.100% Status ________________________________________________________________________________ Level V 0.150% 0.650% 0.000% 0.125% 0.475Status ________________________________________________________________________________ Level VI 0.200% 0.4750.800% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level III 0.125% Status 0.150% 0.150% 0.600% 0.600% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level IV Status 0.175% 0.200% 0700% 0.700% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level V Status 0.250% 0.250% 0.750% 0.750% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level VI Status 0.6725% 0.500% 1.400% 1.400% 0.400% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ________________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. In With respect to Nicor Gas, in the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in consecutive Levels, the rating falling rati▇▇ ▇▇▇▇ing in the lower higher Level (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. In the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in non-consecutive Levels, the Level immediately above ▇▇▇▇▇ ▇mmediately below the Level in which the lower higher rating falls shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. If at any time Nicor Gas has no Moody's Rating or no S&P Rating, the remaining rating shall apply unle▇▇ ▇▇▇▇r Gas has neither a Moody's Rating nor a S&P Rating, in which case Level VI shall apply. ▇ith respect to Nicor, (1) in no event may the Level from time to time applicable to Nicor be higher (with Level I being the highest Level and Level VI being the lowest Level) than the Level then applicable to Nicor Gas, and (2) if at any time Nicor Gas has no S&P Rating, Level VI shall govern for purposes of determining the applicable pricing pursuant to the above pricing gridapply. SCHEDULE 1 TO COMPLIANCE CERTIFICATE Compliance Calculations for Credit Agreement CALCULATION AS OF 2 INITIAL COMMITMENTS Lender Initial Commitment _______________________________________________________ ABN AMRO Bank N.V. 50,000,000 __,200_____________________________________________________ ------------------------------------------------------------------ --------------------- --------------------------- A. Liens JP Morgan Chase Bank 50,000,000 _______________________________________________________ The Bank of New York 33,330,000 _______________________________________________________ KeyBank National Association 33,330,000 _______________________________________________________ Wachovia Bank, N.A. 33,330,000 _______________________________________________________ The Bank of Tokyo-Mitsubishi, Ltd. 29,720,000 Chicago Branch _______________________________________________________ Mizuho Corporate Bank, Ltd. 29,720,000 _______________________________________________________ The Royal Bank of Scotland plc 29,720,000 _______________________________________________________ Landesbank Sachsen Girozentrale 29,720,000 _______________________________________________________ Societe Generale 29,720,000 _______________________________________________________ UFJ Bank Limited 29,720,000 _______________________________________________________ Sumitomo Mitsui Banking Corporation 22,220,000 _______________________________________________________ Banco Bilbao Vizcaya Argentaria S.A. 16,670,000 _______________________________________________________ The Northern Trust Company 16,670,000 _______________________________________________________ Wells Fargo Bank, National 16,670,000 Association _______________________________________________________ Banca di Roma - Chicago Branch 13,890,000 _______________________________________________________ Fifth Third Bank (Sec. 7.9(cChicago), (d)a 8,330,000 Michigan Banking Corporation _______________________________________________________ KBC Bank N.V. 8,330,000 _______________________________________________________ Malayan Banking Berhad Bank 8,330,000 _______________________________________________________ U.S. Bank National Association 8,330,000 _______________________________________________________ Seaway National Bank of Chicago 2,250,000 _______________________________________________________ ADMINISTRATIVE AGENT'S NOTICE AND PAYMENT INFORMATION Loan Repayments, and (g)) ------------------------------------------------------------------ --------------------- --------------------------- ------------------------------------------------------------------ --------------------- ---------------------------Interest, Fees: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank, N.V. Chicago Branch CPU Account # 650-001-▇▇▇▇-▇▇ Reference: Agency Services / Nicor & Nicor Gas Letters of Credit: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank N.V. Chicago Trade Services CPU Account # ▇▇▇-▇▇▇-▇711-41 Reference: Agency Services / Nicor & Nicor Gas Part B - Notices Notices related to commitments, covenants or extensions of expiry/termination dates: ABN AMRO Bank N.V. 540 West Madison Street, 21st Floor Chicago, IL 60661-2591 Attn: Agen▇▇ ▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: ▇▇▇-▇▇▇-3611 ABN AMRO Bank N.V. 540 We▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇ Floor C▇▇▇▇▇▇, ▇▇ 60661-2591 Attn: Cred▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇▇.▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: ▇12-992-5111 ABN AMRO Bank N.V. 4400 P▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇▇ ▇500 Hou▇▇▇▇, ▇▇ ▇▇027

Pricing Grid. If the Level The Facility Fee The The L/C Fee Rate The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Utilization is: Margin is: Margin is: Fee Rate is: ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- _______________________________________________________________________________ Level I Status 0.1000.060% 0.340% 0.000% 0.100% 0.400Status _______________________________________________________________________________ Level II 0.070% 0.4000.380% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- 0.100% Status _______________________________________________________________________________ Level II III 0.080% 0.470% 0.000% 0.100% Status _______________________________________________________________________________ Level IV 0.100% 0.550% 0.000% 0.100% Status _______________________________________________________________________________ Level V 0.125% 0.675% 0.000% 0.125% 0.475Status _______________________________________________________________________________ Level VI 0.175% 0.4750.825% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level III 0.125% Status 0.150% 0.150% 0.600% 0.600% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level IV Status 0.175% 0.200% 0700% 0.700% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level V Status 0.250% 0.250% 0.750% 0.750% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level VI Status 0.6725% 0.500% 1.400% 1.400% 0.400% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- _______________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. In the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in consecutive Levels, the rating ▇▇▇ ▇▇▇ing falling in the lower higher Level (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. In the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in non-consecutive LevelsLeve▇▇, the ▇▇▇ Level immediately above below the Level in which the lower higher rating falls (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. If at any time the Borrower has no Moody's Rating or no S&P Rating, the remaining rating shall ap▇▇▇ ▇▇▇ess the Borrower has neither a Moody's Rating nor a S&P Rating, in which case Level VI shall ▇▇▇▇▇. SCHEDULE 1 TO COMPLIANCE CERTIFICATE Compliance Calculations for Credit Agreement CALCULATION AS OF 2 INITIAL COMMITMENTS Lender Initial Commitment ___________________________________________________________ ABN AMRO Bank N.V. 40,000,000 __,200_________________________________________________________ ------------------------------------------------------------------ --------------------- --------------------------- A. Liens JP Morgan Chase Bank 40,000,000 ___________________________________________________________ The Bank of New York 26,670,000 ___________________________________________________________ KeyBank National Association 26,670,000 ___________________________________________________________ Wachovia Bank, N.A. 26,670,000 ___________________________________________________________ The Bank of Tokyo-Mitsubishi, Ltd. 23,780,000 Chicago Branch ___________________________________________________________ Mizuho Corporate Bank, Ltd. 23,780,000 ___________________________________________________________ The Royal Bank of Scotland plc 23,780,000 ___________________________________________________________ Landesbank Sachsen Girozentrale 23,780,000 ___________________________________________________________ Societe Generale 23,780,000 ___________________________________________________________ UFJ Bank Limited 23,780,000 ___________________________________________________________ Sumitomo Mitsui Banking Corporation 17,780,000 ___________________________________________________________ Banco Bilbao Vizcaya Argentaria S.A. 13,330,000 ___________________________________________________________ The Northern Trust Company 13,330,000 ___________________________________________________________ Wells Fargo Bank, National Association 13,330,000 ___________________________________________________________ Banca di Roma - Chicago Branch 11,110,000 ___________________________________________________________ Fifth Third Bank (Sec. 7.9(cChicago), (d)a 6,670,000 Michigan Banking Corporation ___________________________________________________________ KBC Bank N.V. 6,670,000 ___________________________________________________________ Malayan Banking Berhad Bank 6,670,000 ___________________________________________________________ U.S. Bank National Association 6,670,000 ___________________________________________________________ Seaway National Bank of Chicago 1,750,000 ___________________________________________________________ ADMINISTRATIVE AGENT'S NOTICE AND PAYMENT INFORMATION Loan Repayments, and (g)) ------------------------------------------------------------------ --------------------- --------------------------- ------------------------------------------------------------------ --------------------- ---------------------------Interest, Fees: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank, N.V. Chicago Branch CPU Account # ▇▇▇-▇▇▇-1789-41 Reference: Agency Services / Nicor Gas Letters of Credit: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank N.V. Chicago Trade Services CPU Ac▇▇▇▇▇ # ▇55-001-1711-41 Reference: Agency Services / Nicor Gas Part B - Notices Notices related to commitments, covenants or extensions of expiry/termination dates: ABN AMRO Bank N.V. 540 West Madison Street, 21st Floor Chicago, IL 60661-2591 At▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: 312-601-3611 ABN AMRO Bank N.V. ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇t, 26th ▇▇▇▇▇ ▇▇▇▇▇go, IL 60661-2591 At▇▇: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇▇.▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ FAX: 312-992-5111 ABN AMRO Bank N.V. ▇▇▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, Suite ▇▇▇▇ ▇▇▇▇▇▇▇, TX 77027

Pricing Grid. If the Level The Facility Fee The The L/C Fee Rate The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Utilization is: Margin is: Margin is: Fee Rate is: ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- _______________________________________________________________________________ Level I Status 0.1000.060% 0.340% 0.000% 0.100% 0.400Status _______________________________________________________________________________ Level II 0.070% 0.4000.380% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- 0.100% Status _______________________________________________________________________________ Level II III 0.080% 0.470% 0.000% 0.100% Status _______________________________________________________________________________ Level IV 0.100% 0.550% 0.000% 0.100% Status _______________________________________________________________________________ Level V 0.125% 0.675% 0.000% 0.125% 0.475Status _______________________________________________________________________________ Level VI 0.175% 0.4750.825% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level III 0.125% Status 0.150% 0.150% 0.600% 0.600% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level IV Status 0.175% 0.200% 0700% 0.700% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level V Status 0.250% 0.250% 0.750% 0.750% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level VI Status 0.6725% 0.500% 1.400% 1.400% 0.400% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- _______________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. In the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in consecutive Levels, the rating falling rat▇▇▇ ▇▇▇ling in the lower higher Level (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. In the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in non-consecutive Levels, the Level ▇▇▇▇▇ immediately above below the Level in which the lower higher rating falls (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. If at any time the Borrower has no Moody's Rating or no S&P Rating, the remaining rating shall apply unl▇▇▇ ▇▇▇ Borrower has neither a Moody's Rating nor a S&P Rating, in which case Level VI shall apply. SCHEDULE 1 TO COMPLIANCE CERTIFICATE Compliance Calculations for Credit Agreement CALCULATION AS OF 2 INITIAL COMMITMENTS Lender Initial Commitment ___________________________________________________________ ABN AMRO Bank N.V. 40,000,000 __,200_________________________________________________________ ------------------------------------------------------------------ --------------------- --------------------------- A. Liens JP Morgan Chase Bank 40,000,000 ___________________________________________________________ The Bank of New York 26,670,000 ___________________________________________________________ KeyBank National Association 26,670,000 ___________________________________________________________ Wachovia Bank, N.A. 26,670,000 ___________________________________________________________ The Bank of Tokyo-Mitsubishi, Ltd. 23,780,000 Chicago Branch ___________________________________________________________ Mizuho Corporate Bank, Ltd. 23,780,000 ___________________________________________________________ The Royal Bank of Scotland plc 23,780,000 ___________________________________________________________ Landesbank Sachsen Girozentrale 23,780,000 ___________________________________________________________ Societe Generale 23,780,000 ___________________________________________________________ UFJ Bank Limited 23,780,000 ___________________________________________________________ Sumitomo Mitsui Banking Corporation 17,780,000 ___________________________________________________________ Banco Bilbao Vizcaya Argentaria S.A. 13,330,000 ___________________________________________________________ The Northern Trust Company 13,330,000 ___________________________________________________________ Wells Fargo Bank, National Association 13,330,000 ___________________________________________________________ Banca di Roma - Chicago Branch 11,110,000 ___________________________________________________________ Fifth Third Bank (Sec. 7.9(cChicago), (d)a 6,670,000 Michigan Banking Corporation ___________________________________________________________ KBC Bank N.V. 6,670,000 ___________________________________________________________ Malayan Banking Berhad Bank 6,670,000 ___________________________________________________________ U.S. Bank National Association 6,670,000 ___________________________________________________________ Seaway National Bank of Chicago 1,750,000 ___________________________________________________________ ADMINISTRATIVE AGENT'S NOTICE AND PAYMENT INFORMATION Loan Repayments, and (g)) ------------------------------------------------------------------ --------------------- --------------------------- ------------------------------------------------------------------ --------------------- ---------------------------Interest, Fees: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank, N.V. Chicago Branch CPU Account # 650-00▇-▇▇▇▇-▇▇ Reference: Agency Services / Nicor Gas Letters of Credit: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank N.V. Chicago Trade Services CPU Account # ▇▇▇-▇▇▇-1711-41 Reference: Agency Services / Nicor Gas Part B - Notices Notices related to commitments, covenants or extensions of expiry/termination dates: ABN AMRO Bank N.V. 540 West Madison Street, 21st Floor Chicago, IL 60661-2591 Attn: Age▇▇▇ ▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: ▇▇▇-▇▇1-3611 ABN AMRO Bank N.V. 540 W▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇ Floor ▇▇▇▇▇▇▇, ▇▇ 60661-2591 Attn: Cre▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇▇.▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: 312-992-5111 ABN AMRO Bank N.V. 4400 ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇▇ 1500 Ho▇▇▇▇▇, ▇▇ ▇7027

Pricing Grid. If the Level The Facility Fee The The L/C Fee Rate The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Utilization is: Margin is: Margin is: Fee Rate is: ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ________________________________________________________________________________ Level I Status 0.1000.080% 0.320% 0.000% 0.100% 0.400Status ________________________________________________________________________________ Level II 0.090% 0.4000.360% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- 0.100% Status ________________________________________________________________________________ Level II III 0.100% 0.450% 0.000% 0.100% Status ________________________________________________________________________________ Level IV 0.125% 0.525% 0.000% 0.100% Status ________________________________________________________________________________ Level V 0.150% 0.650% 0.000% 0.125% 0.475Status ________________________________________________________________________________ Level VI 0.200% 0.4750.800% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level III 0.125% Status 0.150% 0.150% 0.600% 0.600% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level IV Status 0.175% 0.200% 0700% 0.700% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level V Status 0.250% 0.250% 0.750% 0.750% 0.000% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level VI Status 0.6725% 0.500% 1.400% 1.400% 0.400% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ________________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. In With respect to Nicor Gas, in the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in consecutive Levels, the rating t▇▇ ▇▇▇▇ng falling in the lower higher Level (with Level I being the highest Level and Level VI being the lowest Level) shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. In the event that the ▇▇▇▇▇'▇ Moody's Rating and the S&P Rating fall in non-consecutive LevelsLevel▇, the ▇▇▇ Level immediately above below the Level in which the lower higher rating falls shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. If at any time Nicor Gas has no Moody's Rating or no S&P Rating, the remaining rating shall app▇▇ ▇▇▇▇ss Nicor Gas has neither a Moody's Rating nor a S&P Rating, in which case Level VI shall a▇▇▇▇. With respect to Nicor, (1) in no event may the Level from time to time applicable to Nicor be higher (with Level I being the highest Level and Level VI being the lowest Level) than the Level then applicable to Nicor Gas, and (2) if at any time Nicor Gas has no S&P Rating, Level VI shall govern for purposes of determining the applicable pricing pursuant to the above pricing gridapply. SCHEDULE 1 TO COMPLIANCE CERTIFICATE Compliance Calculations for Credit Agreement CALCULATION AS OF 2 INITIAL COMMITMENTS Lender Initial Commitment _______________________________________________________ ABN AMRO Bank N.V. 50,000,000 __,200_____________________________________________________ ------------------------------------------------------------------ --------------------- --------------------------- A. Liens JP Morgan Chase Bank 50,000,000 _______________________________________________________ The Bank of New York 33,330,000 _______________________________________________________ KeyBank National Association 33,330,000 _______________________________________________________ Wachovia Bank, N.A. 33,330,000 _______________________________________________________ The Bank of Tokyo-Mitsubishi, Ltd. 29,720,000 Chicago Branch _______________________________________________________ Mizuho Corporate Bank, Ltd. 29,720,000 _______________________________________________________ The Royal Bank of Scotland plc 29,720,000 _______________________________________________________ Landesbank Sachsen Girozentrale 29,720,000 _______________________________________________________ Societe Generale 29,720,000 _______________________________________________________ UFJ Bank Limited 29,720,000 _______________________________________________________ Sumitomo Mitsui Banking Corporation 22,220,000 _______________________________________________________ Banco Bilbao Vizcaya Argentaria S.A. 16,670,000 _______________________________________________________ The Northern Trust Company 16,670,000 _______________________________________________________ Wells Fargo Bank, National 16,670,000 Assoc▇▇▇▇▇n _______________________________________________________ Banca di Roma - Chicago Branch 13,890,000 _______________________________________________________ Fifth Third Bank (Sec. 7.9(cChicago), (d)a 8,330,000 Michigan Banking Corporation _______________________________________________________ KBC Bank N.V. 8,330,000 _______________________________________________________ Malayan Banking Berhad Bank 8,330,000 _______________________________________________________ U.S. Bank National Association 8,330,000 _______________________________________________________ Seaway National Bank of Chicago 2,250,000 _______________________________________________________ ADMINISTRATIVE AGENT'S NOTICE AND PAYMENT INFORMATION Loan Repayments, and (g)) ------------------------------------------------------------------ --------------------- --------------------------- ------------------------------------------------------------------ --------------------- ---------------------------Interest, Fees: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank, N.V. Chicago Branch CPU Account # ▇▇▇-▇▇▇-▇789-41 Reference: Agency Services / Nicor & Nicor Gas Letters of Credit: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank N.V. Chicago Trade Services CPU Acc▇▇▇▇ # ▇▇5-001-1711-41 Reference: Agency Services / Nicor & Nicor Gas Part B - Notices Notices related to commitments, covenants or extensions of expiry/termination dates: ABN AMRO Bank N.V. 540 West Madison Street, 21st Floor Chicago, IL 60661-2591 Att▇: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: 312-601-3611 ABN AMRO Bank N.V. ▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, 26th ▇▇▇▇▇ ▇▇▇▇▇▇o, IL 60661-2591 Att▇: ▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇▇.▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ FAX: 312-992-5111 ABN AMRO Bank N.V. ▇▇▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, Suite 1▇▇▇ ▇▇▇▇▇▇▇, TX 77027