Common use of Pricing Grid Clause in Contracts

Pricing Grid. If the Level The Facility The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Margin is: Margin is: Fee Rate is: ________________________________________________________________________________ Level I 0.080% 0.320% 0.000% 0.100% Status ________________________________________________________________________________ Level II 0.090% 0.360% 0.000% 0.100% Status ________________________________________________________________________________ Level 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% Status ________________________________________________________________________________ Level VI 0.200% 0.800% 0.000% 0.125% Status ________________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. With respect to Nicor Gas, in the event that the Moody's Rating and the S&P Rating fall in consecutive Levels, the rati▇▇ ▇▇▇▇ing in the 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 ▇▇▇▇▇ ▇mmediately below the Level in which the 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 apply. SCHEDULE 2 INITIAL COMMITMENTS Lender Initial Commitment _______________________________________________________ ABN AMRO Bank N.V. 50,000,000 _______________________________________________________ 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 (Chicago), 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, 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 0.080Status 0.100% 0.3200.100% 0.400% 0.400% 0.000% 0.100% Status ________________________________________________________________________________ ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level II 0.090Status 0.125% 0.3600.125% 0.475% 0.475% 0.000% 0.100% Status ________________________________________________________________________________ ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level III 0.100Status 0.150% 0.4500.150% 0.600% 0.600% 0.000% 0.100% Status ________________________________________________________________________________ ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level IV 0.125Status 0.175% 0.5250.200% 0700% 0.700% 0.000% 0.100% Status ________________________________________________________________________________ ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level V 0.150Status 0.250% 0.6500.250% 0.750% 0.750% 0.000% 0.125% Status ________________________________________________________________________________ ------------------ ------------------- ------------ ------------------- ------------------ -------------------- ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Level VI 0.200Status 0.6725% 0.8000.500% 0.0001.400% 0.1251.400% Status ________________________________________________________________________________ 0.400% ------------------ ------------------- ------------ ------------------- ------------------ -------------------- Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. With respect to Nicor Gas, in In the event that the Moody's ▇▇▇▇▇'▇ Rating and the S&P Rating fall in consecutive Levels, the rati▇▇ ▇▇▇▇ing rating falling in the higher 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 Moody's ▇▇▇▇▇'▇ Rating and the S&P Rating fall in non-consecutive Levels, the ▇▇▇▇▇ ▇mmediately below Level immediately above the Level in which the higher 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. 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 apply. SCHEDULE 2 INITIAL COMMITMENTS Lender Initial Commitment _______________________________________________1 TO COMPLIANCE CERTIFICATE Compliance Calculations for Credit Agreement CALCULATION AS OF ________ ABN AMRO Bank N.V. 50,000,000 ______________________________________________________,200_ 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 ------------------------------------------------------------------ --------------------- --------------------------- A. Liens (ChicagoSec. 7.9(c), 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(d), 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▇▇▇▇, ▇▇ ▇▇027and (g)) ------------------------------------------------------------------ --------------------- --------------------------- ------------------------------------------------------------------ --------------------- ---------------------------

Pricing Grid. If the Level The Facility The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Margin is: Margin is: Fee Rate is: ________________________________________________________________________________ Level I 0.0800.060% 0.3200.340% 0.000% 0.100% Status ________________________________________________________________________________ Level II 0.0900.070% 0.3600.380% 0.000% 0.100% Status ________________________________________________________________________________ Level III 0.1000.080% 0.4500.470% 0.000% 0.100% Status ________________________________________________________________________________ Level IV 0.1250.100% 0.5250.550% 0.000% 0.100% Status ________________________________________________________________________________ Level V 0.1500.125% 0.6500.675% 0.000% 0.125% Status ________________________________________________________________________________ Level VI 0.2000.175% 0.8000.825% 0.000% 0.125% Status ________________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. With respect to Nicor Gas, in In the event that the Moody's Rating and the S&P Rating fall in consecutive Levels, the ratirat▇▇▇ ▇▇▇▇ing ling in the 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 ▇▇▇▇▇ ▇mmediately immediately below the Level in which the higher rating falls shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. If at any time Nicor Gas the Borrower has no Moody's Rating or no S&P Rating, the remaining rating shall apply unleunl▇▇▇ ▇▇▇▇r Gas ▇ Borrower 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 apply. SCHEDULE 2 INITIAL COMMITMENTS Lender Initial Commitment ___________________________________________________________ ABN AMRO Bank N.V. 50,000,000 40,000,000 ___________________________________________________________ JP Morgan Chase Bank 50,000,000 40,000,000 ___________________________________________________________ The Bank of New York 33,330,000 26,670,000 ___________________________________________________________ KeyBank National Association 33,330,000 26,670,000 ___________________________________________________________ Wachovia Bank, N.A. 33,330,000 26,670,000 ___________________________________________________________ The Bank of Tokyo-Mitsubishi, Ltd. 29,720,000 23,780,000 Chicago Branch ___________________________________________________________ Mizuho Corporate Bank, Ltd. 29,720,000 23,780,000 ___________________________________________________________ The Royal Bank of Scotland plc 29,720,000 23,780,000 ___________________________________________________________ Landesbank Sachsen Girozentrale 29,720,000 23,780,000 ___________________________________________________________ Societe Generale 29,720,000 23,780,000 ___________________________________________________________ UFJ Bank Limited 29,720,000 23,780,000 ___________________________________________________________ Sumitomo Mitsui Banking Corporation 22,220,000 17,780,000 ___________________________________________________________ Banco Bilbao Vizcaya Argentaria S.A. 16,670,000 13,330,000 ___________________________________________________________ The Northern Trust Company 16,670,000 13,330,000 ___________________________________________________________ Wells Fargo Bank, National 16,670,000 Association 13,330,000 ___________________________________________________________ Banca di Roma - Chicago Branch 13,890,000 11,110,000 ___________________________________________________________ Fifth Third Bank (Chicago), a 8,330,000 6,670,000 Michigan Banking Corporation ___________________________________________________________ KBC Bank N.V. 8,330,000 6,670,000 ___________________________________________________________ Malayan Banking Berhad Bank 8,330,000 6,670,000 ___________________________________________________________ U.S. Bank National Association 8,330,000 6,670,000 ___________________________________________________________ Seaway National Bank of Chicago 2,250,000 1,750,000 ___________________________________________________________ ADMINISTRATIVE AGENT'S NOTICE AND PAYMENT INFORMATION Loan Repayments, Interest, Fees: ABN AMRO Bank N.V. New York, NY ABA # 026009580 F/O ABN AMRO Bank, N.V. Chicago Branch CPU Account # 650-001-00▇-▇▇▇▇-▇▇ 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 # ▇▇▇-▇▇▇-▇711-1711-41 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 Attn: AgenAge▇▇▇ ▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: ▇▇▇-▇▇▇-3611 1-3611 ABN AMRO Bank N.V. 540 WeW▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, ▇▇▇▇ Floor C▇▇▇▇▇▇▇, ▇▇ 60661-2591 Attn: CredCre▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇▇.▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: ▇12312-992-5111 ABN AMRO Bank N.V. 4400 P▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, ▇▇▇▇▇ 1500 Ho▇500 Hou▇▇▇▇, ▇▇ ▇▇0277027

Pricing Grid. If the Level The Facility The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Margin is: Margin is: Fee Rate is: ________________________________________________________________________________ Level I 0.0800.060% 0.3200.340% 0.000% 0.100% Status ________________________________________________________________________________ Level II 0.0900.070% 0.3600.380% 0.000% 0.100% Status ________________________________________________________________________________ Level III 0.1000.080% 0.4500.470% 0.000% 0.100% Status ________________________________________________________________________________ Level IV 0.1250.100% 0.5250.550% 0.000% 0.100% Status ________________________________________________________________________________ Level V 0.1500.125% 0.6500.675% 0.000% 0.125% Status ________________________________________________________________________________ Level VI 0.2000.175% 0.8000.825% 0.000% 0.125% Status ________________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. With respect to Nicor Gas, in In the event that the Moody's Rating and the S&P Rating fall in consecutive Levels, the rati▇▇▇ ▇▇▇▇ing falling in the 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 Leve▇▇, ▇▇▇ ▇mmediately Level immediately below the Level in which the higher rating falls shall govern for purposes of determining the applicable pricing pursuant to the above pricing grid. If at any time Nicor Gas the Borrower has no Moody's Rating or no S&P Rating, the remaining rating shall apply unleap▇▇▇ ▇▇▇▇r Gas ess the Borrower 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 apply▇▇▇▇. SCHEDULE 2 INITIAL COMMITMENTS Lender Initial Commitment ___________________________________________________________ ABN AMRO Bank N.V. 50,000,000 40,000,000 ___________________________________________________________ JP Morgan Chase Bank 50,000,000 40,000,000 ___________________________________________________________ The Bank of New York 33,330,000 26,670,000 ___________________________________________________________ KeyBank National Association 33,330,000 26,670,000 ___________________________________________________________ Wachovia Bank, N.A. 33,330,000 26,670,000 ___________________________________________________________ The Bank of Tokyo-Mitsubishi, Ltd. 29,720,000 23,780,000 Chicago Branch ___________________________________________________________ Mizuho Corporate Bank, Ltd. 29,720,000 23,780,000 ___________________________________________________________ The Royal Bank of Scotland plc 29,720,000 23,780,000 ___________________________________________________________ Landesbank Sachsen Girozentrale 29,720,000 23,780,000 ___________________________________________________________ Societe Generale 29,720,000 23,780,000 ___________________________________________________________ UFJ Bank Limited 29,720,000 23,780,000 ___________________________________________________________ Sumitomo Mitsui Banking Corporation 22,220,000 17,780,000 ___________________________________________________________ Banco Bilbao Vizcaya Argentaria S.A. 16,670,000 13,330,000 ___________________________________________________________ The Northern Trust Company 16,670,000 13,330,000 ___________________________________________________________ Wells Fargo Bank, National 16,670,000 Association 13,330,000 ___________________________________________________________ Banca di Roma - Chicago Branch 13,890,000 11,110,000 ___________________________________________________________ Fifth Third Bank (Chicago), a 8,330,000 6,670,000 Michigan Banking Corporation ___________________________________________________________ KBC Bank N.V. 8,330,000 6,670,000 ___________________________________________________________ Malayan Banking Berhad Bank 8,330,000 6,670,000 ___________________________________________________________ U.S. Bank National Association 8,330,000 6,670,000 ___________________________________________________________ Seaway National Bank of Chicago 2,250,000 1,750,000 ___________________________________________________________ ADMINISTRATIVE AGENT'S NOTICE AND PAYMENT INFORMATION Loan Repayments, 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-▇▇▇▇-▇▇ ▇▇-1789-41 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 Account # Ac▇▇▇▇▇ # ▇55-▇▇▇001-▇7111711-41 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 AttnAt▇▇: Agen▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: ▇▇▇312-▇▇▇-3611 601-3611 ABN AMRO Bank N.V. 540 We▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇t, 26th ▇, ▇▇▇▇ Floor C▇▇▇▇▇▇go, ▇▇ IL 60661-2591 AttnAt▇▇: Cred▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇▇.▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇FAX: ▇12312-992-5111 ABN AMRO Bank N.V. 4400 P▇▇▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, ▇Suite ▇▇▇▇ ▇500 Hou▇▇▇▇▇▇, ▇▇ ▇▇027TX 77027

Pricing Grid. If the Level The Facility The Eurodollar The Base Rate The Utilization Status Is Fee Rate is: Margin is: Margin is: Fee Rate is: ________________________________________________________________________________ Level I 0.080% 0.320% 0.000% 0.100% Status ________________________________________________________________________________ Level II 0.090% 0.360% 0.000% 0.100% Status ________________________________________________________________________________ Level 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% Status ________________________________________________________________________________ Level VI 0.200% 0.800% 0.000% 0.125% Status ________________________________________________________________________________ Each change in a rating shall be effective as of the date it is announced by the applicable rating agency. With respect to Nicor Gas, in the event that the Moody's Rating and the S&P Rating fall in consecutive Levels, the ratit▇▇ ▇▇▇▇ing ng falling in the 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 ▇▇▇▇▇ ▇mmediately Level immediately below the Level in which the 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 unleapp▇▇ ▇▇▇▇r ss Nicor Gas has neither a Moody's Rating nor a S&P Rating, in which case Level VI shall applya▇▇▇▇. ▇ith 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 apply. SCHEDULE 2 INITIAL COMMITMENTS Lender Initial Commitment _______________________________________________________ ABN AMRO Bank N.V. 50,000,000 _______________________________________________________ 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 Assoc▇▇▇▇▇n _______________________________________________________ Banca di Roma - Chicago Branch 13,890,000 _______________________________________________________ Fifth Third Bank (Chicago), 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, 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-▇▇▇▇-▇▇ ▇▇-▇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 Account Acc▇▇▇▇ # ▇▇▇5-▇▇▇001-▇7111711-41 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 AttnAtt▇: Agen▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇.▇▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇: ▇▇▇312-▇▇▇-3611 601-3611 ABN AMRO Bank N.V. 540 We▇▇▇ ▇▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇▇, 26th ▇▇▇▇▇ Floor C▇▇▇▇▇▇o, ▇▇ IL 60661-2591 AttnAtt▇: Cred▇▇▇▇▇▇ ▇▇▇▇▇▇▇▇▇▇▇▇▇▇ ▇-▇▇▇▇: ▇▇▇▇▇▇▇.▇▇▇▇@▇▇▇▇▇▇▇.▇▇▇ ▇▇▇FAX: ▇12312-992-5111 ABN AMRO Bank N.V. 4400 P▇▇▇▇ ▇▇▇▇ ▇▇▇ ▇▇▇▇▇▇▇, ▇▇Suite 1▇▇▇ ▇500 Hou▇▇▇▇▇▇, ▇▇ ▇▇027TX 77027