NAB Covered Bond Trust - Monthly Investor Report

NAB Covered Bond Trust - Monthly Investor Report Monthly Covered Bond Report Date: 31 January 2013 Determination Date: 08 February 2013 Payment Date: 15 February 2013 Asset Coverage Test as at 31 January 2013 Calculation of Adjusted Aggregate Mortgage Loan Amount A The lower of: (i) Aggregate LVR Adjusted Mortgage Loan Amounts $9,131,063,542 (ii) Aggregate Asset Percentage Adjusted Mortgage Loan Amounts $7,986,862,446 $7,986,862,446 B Aggregate Amount of any Proceeds of any Intercompany Notes and/or any Demand Notes $0 which have not been applied as at the Calculation Date C Aggregate Principal of any Substitution Assets and Authorised Investments $0 as at the Calculation Date. D E Z Aggregate Mortgage Loan Principal Receipts standing to the credit of GIC Account and not $961,845,509 applied in accordance with the applicable Priority of Payments Amount of Sale Proceeds standing to the credit of the the Pre-Maturity Ledger as at the Calculation Date. $0 Negative Carry Adjustment $0 Adjusted Aggregate Mortgage Loan Amount (A+B+C+D+E)-Z $8,948,707,956 Results of Asset Coverage Test Adjusted Aggregate Mortgage Loan Amount $8,948,707,956 AUD Equivalent of the Aggregate Principal Amount of the Covered Bonds $7,500,800,511 Excess/(Shortfall) over adjusted Mortgage Loan Amount $1,447,907,445 ACT Test Pass or Fail Pass Asset Percentage 86.96% Asset Summary as at 31 January 2013 Ratings Overview Moody's Fitch NAB Short Term Senior Unsecured Rating P1 F1+ NAB Long Term Senior Unsecured Rating Aa2 AA- Covered Bonds Ratings Aaa AAA Bond Issuance Bonds Issue Date Principal AUD Equiv. of Coupon ISIN Legal Maturity Listing Principal Rate Date Series-1-3 20-Dec-2011 kr3,125,000,00 $528,269,718 5.00 XS0721652252 20-Dec-2021 Series-2-1 13-Jan-2012 1,000,000,00 $1,250,441,240 2.63 XS0730559894 13-Jan-2017 Series-3-1 20-Jan-2012 200,000,00 $248,275,192 4.08 XS0733140460 20-Jan-2027 Series-4-1 27-Jan-2012 500,000,00 $743,281,459 3M_LIBOR + 1.45 XS0737096874 27-Jan-2015 Series-5-2 20-Jun-2012 US$2,500,000,00 $2,450,990,752 2.00 US63253WAA99 20-Jun-2017 Series-6-1 10-Sep-2012 250,000,00 $383,294,641 3.00 XS0825495368 04-Sep-2026 Series-7-1 21-Sep-2012 200,000,00 $247,319,100 2.65 XS0829117232 21-Jan-2028 Series-8-1 28-Sep-2012 136,000,00 $168,439,771 2.35 WKNONS2D3 04-Oct-2024 Series-9-1 Series-10-1 27-Sep-2012 13-Dec-2012 US$250,000,00 1,000,000,00 $239,280,245 $1,241,208,393 3M_LIBOR + 0.72 1.88 US63253WAB72 XS0864360358 27-Sep-2017 14-Feb-2023 Unlisted Unlisted

Pool Summary Portfolio Cut off Date 05-November-2012 Current Principal (AUD) Number 34,961 Loan Groups 34,961 Average Loan Size 263,339.67 Maximum Housing Loan 1,500,00 Weighted Average Loan Interest Rate 5.77% Weighted Average Current Loan to Value Ratio (LVR) 58.54% Weighted Average Consolidated Indexed Loan to Value Ratio (LVR) 62.04% Weighted Average Seasoning (WAS) 35.56 Weighted Average Remaining Term (Months) 316.57 Prepayment Information Prepayment History (CPR) 1 Month 3 Months 12 Months Cumulative 16.61 20.44 27.50 25.85 Prepayment History (SMM) 1.49 6.56 3.39 3.09 Mortgage Pool by Original Loan to Value Ratio (LVR) ( %) up to and including 50% 11,628 33.26 2,170,576,909.93 23.58 > 50% up to and including 55% 1,927 5.51 515,210,603.58 5.60 > 55% up to and including 60% 2,010 5.75 565,257,483.04 6.14 > 60% up to and including 65% 2,034 5.82 591,121,107.79 6.42 > 65% up to and including 70% 2,361 6.75 705,294,687.98 7.66 > 70% up to and including 75% 3,611 10.33 1,172,652,716.04 12.74 > 75% up to and including 80% 7,075 20.24 2,248,383,990.98 24.42 > 80% up to and including 85% 1,275 3.65 389,500,978.72 4.23 > 85% up to and including 90% 1,836 5.25 529,986,518.17 5.76 > 90% up to and including 95% 617 1.76 153,951,527.74 1.67 > 95% up to and including 100% 163.47 46,064,002.19 0.50 > 100% 424 1.21 118,617,785.18 1.29 Mortgage Pool by Current Loan to Value Ratio (LVR) ( %) up to and including 50% 15,398 44.04 2,864,509,407.39 31.11 > 50% up to and including 55% 2,192 6.27 631,330,789.50 6.86 > 55% up to and including 60% 2,153 6.16 646,010,872.83 7.02 > 60% up to and including 65% 2,415 6.91 760,139,658.80 8.26 > 65% up to and including 70% 2,894 8.28 934,783,685.72 10.15 > 70% up to and including 75% 3,937 11.26 1,350,269,270.15 14.67 > 75% up to and including 80% 4,120 11.78 1,434,952,487.84 15.59 > 80% up to and including 85% 1,643 4.70 517,549,728.39 5.62 > 85% up to and including 90% 152.43 47,985,034.02 0.52 > 90% up to and including 95% 40.11 14,007,432.99 0.15 > 95% up to and including 100% 9.03 2,272,610.49 0.02 > 100% 8.02 2,807,333.22 0.03

Mortgage Pool by Consolidated Indexed Loan to Value Ratio (LVR)* ( %) up to and including 50% 12,020 34.38 2,228,084,995.57 24.20 > 50% up to and including 55% 2,372 6.78 641,710,622.39 6.97 > 55% up to and including 60% 2,457 7.03 693,175,344.82 7.53 > 60% up to and including 65% 2,948 8.43 869,402,534.39 9.44 > 65% up to and including 70% 3,291 9.41 1,027,543,784.05 11.16 > 70% up to and including 75% 3,999 11.44 1,293,424,477.27 14.05 > 75% up to and including 80% 4,225 12.08 1,384,909,669.11 15.04 > 80% up to and including 85% 2,297 6.57 718,017,674.94 7.80 > 85% up to and including 90% 870 2.49 241,967,823.30 2.63 > 90% up to and including 95% 229.66 54,577,033.31 0.59 > 95% up to and including 100% 34.10 7,282,865.70 0.08 > 100% 219.63 46,521,486.49 0.51 Total 34,961 10 10 *Based on quarterly data provided by the Australian Bureau of Statistics Mortgage Pool by Mortgage Loan Interest Rate ( %) up to and including 0.0% 0 > 0.0% up to and including 5.0% 4 0.01 > 5.0% up to and including 5.5% 947 2.71 394,610,724.94 4.29 > 5.5% up to and including 6.0% 30,266 86.57 8,143,844,971.10 88.46 > 6.0% up to and including 6.5% 1,606 4.59 209,661,152.97 2.28 > 6.5% up to and including 7.0% 410 1.17 90,813,717.47 0.99 > 7.0% up to and including 7.5% 1,212 3.47 269,114,026.86 2.92 > 7.5% up to and including 8.0% 391 1.12 74,268,842.51 0.81 > 8.0% up to and including 8.5% 77 0.22 15,345,549.45 0.17 > 8.5% up to and including 9.0% 42 0.12 7,777,884.76 0.08 > 9.0% up to and including 9.5% 6 0.02 1,181,441.28 0.01 > 9.5% up to and including 10.0% 0 > 10.0% up to and including 10.0% 0 Mortgage Pool by Interest Option ( %) 1 Year Fixed 1,571 4.49 360,769,260.49 3.92 2 Year Fixed 717 2.05 159,321,090.89 1.73 3 Year Fixed 286 0.82 62,664,966.73 0.68 4 Year Fixed 21 0.06 4,870,832.78 0.05 5 Year Fixed 79 0.23 13,017,415.51 0.14 Beyond 5 Years 81 0.23 16,893,054.83 0.18 Total Fixed Rate Total Variable Rate Total 2,755 32,206 34,961 7.88 92.12 10 617,536,621.23 8,589,081,690.11 6.71 93.29 10

Mortgage Pool by Loan Size (Consolidated) ( %) up to and including $100,000 4,060 11.61 230,437,172.10 2.50 > $100,000 up to and including $200,000 9,020 25.80 1,382,874,877.57 15.02 > $200,000 up to and including $300,000 10,247 29.31 2,575,828,235.73 27.98 > $300,000 up to and including $400,000 6,432 18.40 2,221,369,774.62 24.13 > $400,000 up to and including $500,000 2,791 7.98 1,240,767,090.56 13.48 > $500,000 up to and including $600,000 1,252 3.58 683,562,520.80 7.42 > $600,000 up to and including $700,000 566 1.62 365,965,985.27 3.98 > $700,000 up to and including $800,000 269 0.77 201,540,356.36 2.19 > $800,000 up to and including $900,000 168 0.48 142,251,440.77 1.55 > $900,000 up to and including $1,000,000 101 0.29 96,483,741.79 1.05 > $1,000,000 up to and including $1,250,000 38 0.11 42,013,355.76 0.46 > $1,250,000 up to and including $1,500,000 17 0.05 23,523,760.01 0.26 > $1,500,000 up to and including $1,750,000 0 > $1,750,000 up to and including $2,000,000 0 > $2,000,000 0 Mortgage Pool by Geographic Distribution ( %) ACT 812 2.32 231,349,339.09 2.51 NSW 12,153 34.76 3,463,579,306.65 37.62 NT 260.74 70,640,425.52 0.77 QLD 3,254 9.31 831,288,066.03 9.03 SA 2,121 6.07 465,014,020.91 5.05 TAS 761 2.18 149,030,964.88 1.62 VIC 11,798 33.75 2,984,395,975.29 32.42 WA 3,802 10.87 1,011,320,212.97 10.98 Mortgage Pool by Payment Type ( %) Interest Only 6,454 18.46 2,188,188,411.29 23.77 P&I 28,507 81.54 7,018,429,900.05 76.23 Mortgage Pool by Documentation Type ( %) Full Doc 34,961 10 10 Total 34,961 10 10 Mortgage Pool by Remaining Interest Only Period ( %) up to and including 1 years 655 1.87 192,243,163 2.09 1 up to and including 2 years 1,542 4.41 498,784,452 5.42 2 up to and including 3 years 4,201 12.02 1,481,040,170 16.09 3 up to and including 4 years 46 0.13 13,584,915 0.15 4 up to and including 5 years 3 0.01 949,910 0.01 Total 6,454 18.46 2,188,188,411.29 23.77

Mortgage Pool by Occupancy Status ( %) Investment 5,710 16.33 1,590,871,301.41 17.28 Owner Occupied 29,251 83.67 7,615,747,009.93 82.72 Mortgage Pool by Loan Purpose ( %) Home Improvement 2,051 5.87 411,666,682.05 4.47 Investment 5,590 15.99 1,560,128,247.94 16.95 Other 599 1.71 134,618,380.46 1.46 Purchase Existing Dwelling 12,503 35.76 3,549,861,673.53 38.56 Purchase New Dwelling 1,488 4.26 454,379,692.39 4.94 Refinance 12,730 36.41 3,095,963,634.97 33.63 Mortgage Pool by Loan Seasoning ( %) up to and including 0 months 0 0 > 0 up to and including 3 months 0 0 > 3 up to and including 6 months 23.07 5,051,577.16 0.05 > 6 up to and including 12 months 21.06 5,300,936.82 0.06 > 12 up to and including 18 months 81.23 19,258,503.60 0.21 > 18 up to and including 24 months 3,294 9.42 938,211,860.63 10.19 > 24 up to and including 30 months 11,465 32.79 3,358,952,279.14 36.48 > 30 up to and including 36 months 7,478 21.39 2,154,786,234.79 23.40 > 36 up to and including 48 months 6,932 19.83 1,738,536,275.89 18.88 > 48 up to and including 60 months 2,121 6.07 467,585,742.68 5.08 > 60 up to and including 72 months 1,046 2.99 221,815,631.18 2.41 > 72 up to and including 84 months 533 1.52 103,658,716.95 1.13 > 84 up to and including 96 months 307.88 56,813,465.14 0.62 > 96 up to and including 108 months 143.41 25,928,925.41 0.28 > 108 up to and including 120 months 65.19 10,063,624.73 0.11 > 120 up to and including 126 months 51.15 7,360,110.59 0.08 > 126 months 1,401 4.01 93,294,426.63 1.01 Total 34,961 10 10 Mortgage Pool by Payment Frequency ( %) Fortnightly 3,539 10.12 733,922,414.44 7.97 Monthly 29,678 84.89 8,123,268,338.57 88.23 Weekly 1,744 4.99 349,427,558.33 3.80

Mortgage Pool by Remaining Tenor ( %) > 0 up to and including 1 years 28.08 7,083,221.11 0.08 > 1 up to and including 2 years 32.09 8,265,448.83 0.09 > 2 up to and including 3 years 49.14 9,388,887.00 0.10 > 3 up to and including 4 years 26.07 1,558,123.29 0.02 > 4 up to and including 5 years 23.07 842,052.73 0.01 > 5 up to and including 6 years 37.11 2,622,953.66 0.03 > 6 up to and including 7 years 54.15 5,249,248.30 0.06 > 7 up to and including 8 years 68.19 4,623,665.24 0.05 > 8 up to and including 9 years 54.15 3,499,819.77 0.04 > 9 up to and including 10 years 95.27 6,269,825.05 0.07 > 10 up to and including 15 years 1,554 4.44 145,040,163.99 1.58 > 15 up to and including 20 years 670 1.92 126,908,943.10 1.38 > 20 up to and including 25 years 4,288 12.27 937,998,812.74 10.19 > 25 up to and including 30 years 27,982 80.04 7,946,932,146.53 86.32 > 30 years 0 0 Total 34,961 10 10 Mortgage Pool by Delinquencies ( %) 0 months 34,552 98.83 9,087,712,018.58 98.71 > 0 up to and including 1 months 361 1.03 100,626,013.92 1.09 > 1 up to and including 2 months 32.09 10,032,603.26 0.11 > 2 up to and including 3 months 10.03 5,040,876.19 0.05 > 3 up to and including 4 months 4.01 1,779,026.75 0.02 > 4 up to and including 5 months 2.01 1,427,772.64 0.02 > 5 up to and including 6 months 0 0 > 6 months 0 0 Total 34,961 10 10 Mortgage Pool by Mortgage Insurer (LVR Specific) ( %) Genworth Financial 1,440 4.12 380,844,718.77 4.14 QBE Lenders Mortgage Insurance 3,433 9.82 917,356,148.39 9.96 Uninsured 30,088 86.06 7,908,417,444.18 85.90

Trust Manager National Australia Bank Limited Contacts Ms Eva Zileli Senior Manager, Secured Funding National Australia Bank Limited (+613) 8634 8219 (+613) 8634 3502 eva.zileli@nab.com.au Mr Paul Duns Manager, Secured Funding National Australia Bank Limited (+613) 8634 2700 (+613) 8634 3502 paul.duns@nab.com.au Page 7 of 7