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DATE:   6/27/2004                        COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME:     17:39                                      2003 PROPERTY VALUE STUDY                                          RPT: VAL7018
                                                   FIELD STUDIES CATEGORY WORKSHEET
                                                             043  Collin
                                                         043-901  Allen

CATEGORY A:  SINGLE-FAMILY RESIDENCES
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             LEGAL                  APPRAISAL ROLL            S       SALE          SALE            CAD          ADJ         IND
          DESCRIPTION               ACCOUNT NUMBER            C       DATE         PRICE         APPR VAL    SALE PRICE     RATIO
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  GLEN HOLLOW, BLOCK 2, LOT 6      1599853                    C       8/02        130,750         124,574       130,750     .9528
  GLEN HOLLOW, BLOCK 3, LOT 1      1600119                    C       6/02        140,000         145,223       140,000    1.0373
  GLEN HOLLOW, BLOCK 6, LOT 27     1601010                    C       8/02        135,000         132,303       135,000     .9800
  FOUNTAIN PARK #06, BLOCK 15, L   1601298                    C       7/02        149,000         141,332       149,000     .9485
  FOUNTAIN PARK #06, BLOCK 17, L   1601886                    C       9/02        186,500         186,500       186,500    1.0000
  COLLIN SQUARE #01, BLOCK 3, LO   1602732                    C       3/03         96,500         102,262        96,500    1.0597
  COLLIN SQUARE #01, BLOCK 3, LO   1603054                    C      10/02        106,000         105,724       106,000     .9974
  COLLIN SQUARE #02, BLOCK 2, LO   1603508                    C      10/02        138,000         122,072       138,000     .8846
  COLLIN SQUARE #02, BLOCK 2, LO   1603517                    C       4/02        128,000         124,723       128,000     .9744
  COLLIN SQUARE #03, BLOCK D, LO   1604044                    C      12/02        112,000         110,500       112,000     .9866
  CLEARVIEW ESTATE, BLOCK 3, LOT   1623737                    C       5/02        173,000         166,510       173,000     .9625
  GREENGATE, BLOCK 5, LOT 4        1625593                    C       1/03        123,000         119,317       123,000     .9701
  COUNTRY MEADOW #1, BLOCK 5, LO   1626529                    C      10/02        150,000         149,650       150,000     .9977
  COUNTRY MEADOW #1, BLOCK G, LO   1627181                    C       6/02        146,000         140,216       146,000     .9604
  COUNTRY MEADOW #1, BLOCK G, LO   1627341                    C       5/02        138,000         136,303       138,000     .9877
  FOUNTAIN PARK #05, BLOCK 24, L   1726181                    C       7/02        155,000         156,711       155,000    1.0110
  OAK RIDGE, BLOCK B, LOT 13       1733253                    C       9/02        158,000         160,867       158,000    1.0181
  COTTONWOOD BEND #05, BLOCK 13,   1741431                    C      11/02        120,000         115,267       120,000     .9606
  COTTONWOOD BEND #05, BLOCK 13,   1741486                    C       6/02        127,500         129,092       127,500    1.0125
  COTTONWOOD BEND #05, BLOCK 13,   1742163                    C       7/02        147,000         139,566       147,000     .9494
  COTTONWOOD BEND #03, BLOCK 1,    1742788                    C       5/02        120,000         115,178       120,000     .9598
  COTTONWOOD BEND #03, BLOCK 2,    1743126                    C       4/02         96,000         111,996        96,000    1.1666
  COTTONWOOD BEND #03, BLOCK 3,    1743475                    C      11/02        113,300         111,317       113,300     .9825
  GREENGATE #02, BLOCK 6, LOT 27   1745605                    C       9/02        121,900         118,907       121,900     .9754
  GREENGATE #02, BLOCK 7, LOT 6    1745712                    C       9/02        129,000         129,000       129,000    1.0000
  GREENGATE #02, BLOCK 7, LOT 17   1745829                    C       4/02        119,500         120,155       119,500    1.0055
  GREENGATE #02, BLOCK 9, LOT 16   1746212                    C       2/03        116,900         116,835       116,900     .9994
  GREENGATE #02, BLOCK 10, LOT 1   1746597                    C       9/02         91,000         119,721        91,000    1.3156
  GREENGATE #02, BLOCK 10, LOT 1   1746659                    C       7/02        127,000         127,558       127,000    1.0044
  GREENGATE #03, BLOCK 22, LOT 9   1769722                    C       8/02        121,500         116,786       121,500     .9612
  GREENGATE #03, BLOCK 23, LOT 2   1770079                    C      12/02        119,500         117,883       119,500     .9865
  FOUNTAIN PARK #07, BLOCK A, LO   1775172                    C       6/02        162,000         177,054       162,000    1.0929
  FOUNTAIN PARK #07, BLOCK B, LO   1775546                    C      11/02        206,500         196,823       206,500     .9531
  FOUNTAIN PARK #07, BLOCK E, LO   1776466                    C       7/02        219,500         213,161       219,500     .9711
  COTTONWOOD BEND #06B, BLOCK 14   1811105                    C       1/03        162,900         163,825       162,900    1.0057
  RAINTREE ESTATES #1, BLOCK A,    1825341                    C       1/03        193,000         199,002       193,000    1.0311
  RAINTREE ESTATES #1, BLOCK A,    1825546                    C       7/02        200,000         192,369       200,000     .9618
  RAINTREE ESTATES #1, BLOCK C,    1826153                    C       2/03        197,900         190,082       197,900     .9605
  RAINTREE ESTATES #1, BLOCK D,    1826242                    C       9/02        273,900         253,918       273,900     .9270
  RAINTREE ESTATES #1, BLOCK D,    1826545                    C       7/02        250,000         254,580       250,000    1.0183
  RAINTREE ESTATES #1, BLOCK F,    1826750                    C       3/03        214,000         208,326       214,000     .9735
  GREENGATE #04, BLOCK 12, LOT 1   1894908                    C      11/02        122,900         116,786       122,900     .9503
  GREENGATE #04, BLOCK 13, LOT 1   1895060                    C       3/03        130,000         123,447       130,000     .9496
  GREENGATE #04, BLOCK 14, LOT 1   1895300                    C       5/02        133,000         129,807       133,000     .9760
  GREENGATE #04, BLOCK 15, LOT 2   1895541                    C       3/03        114,150         115,402       114,150    1.0110
  GREENGATE #04, BLOCK 16, LOT 1   1895827                    C       5/02        146,450         147,618       146,450    1.0080
  GREENGATE #04, BLOCK 17, LOT 9   1896069                    C       9/02        119,900         114,832       119,900     .9577

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 2 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ GREENGATE #04, BLOCK 20, LOT 2 1896960 C 6/02 135,000 129,979 135,000 .9628 COTTONWOOD BEND NORTH #01, BLO 1917411 C 1/03 143,795 141,703 143,795 .9855 COTTONWOOD BEND NORTH #01, BLO 1917643 C 5/02 137,000 135,152 137,000 .9865 COTTONWOOD BEND NORTH #01, BLO 1918152 C 4/02 135,000 133,057 135,000 .9856 COTTONWOOD BEND NORTH #01, BLO 1918795 C 8/02 125,000 126,679 125,000 1.0134 COTTONWOOD BEND NORTH #02, BLO 1919874 C 12/02 179,000 186,683 179,000 1.0429 COTTONWOOD BEND NORTH #02, BLO 1919883 C 5/02 185,000 186,426 185,000 1.0077 HERITAGE PARK #01, BLOCK 1, LO 1922450 C 6/02 181,500 180,102 181,500 .9923 HERITAGE PARK #01, BLOCK 1, LO 1922511 C 4/02 165,000 159,298 165,000 .9654 HERITAGE PARK #01, BLOCK 1, LO 1922708 C 8/02 159,900 156,908 159,900 .9813 HERITAGE PARK #01, BLOCK 2, LO 1923262 C 6/02 182,000 190,779 182,000 1.0482 HERITAGE PARK #01, BLOCK 3, LO 1923967 C 12/02 199,900 196,344 199,900 .9822 HERITAGE PARK #01, BLOCK 4, LO 1924582 C 7/02 166,900 168,870 166,900 1.0118 COUNTRY MEADOW #2-A, BLOCK M, 1986520 C 7/02 177,500 176,944 177,500 .9969 COUNTRY MEADOW #2-B, BLOCK M, 1986819 C 10/02 150,000 150,170 150,000 1.0011 HIGHLAND MEADOWS, BLOCK B, LOT 1994004 C 10/02 184,900 174,911 184,900 .9460 HIGHLAND MEADOWS, BLOCK B, LOT 1994008 C 9/02 151,000 147,174 151,000 .9747 HIGHLAND MEADOWS, BLOCK D, LOT 1994043 C 7/02 151,500 146,355 151,500 .9660 HERITAGE PARK #3-1, BLOCK D, L 1994331 C 4/02 159,900 165,803 159,900 1.0369 HERITAGE PARK #3-1, BLOCK E, L 1994346 C 6/02 135,000 132,706 135,000 .9830 HERITAGE PARK #3-1, BLOCK E, L 1994376 C 7/02 160,000 150,451 160,000 .9403 COTTONWOOD BEND #4D, BLOCK C, 1997256 C 10/02 141,000 133,217 141,000 .9448 HERITAGE PARK #02, BLOCK A, LO 1998905 C 12/02 157,000 164,598 157,000 1.0484 HERITAGE PARK #02, BLOCK E, LO 1998984 C 3/03 147,000 141,243 147,000 .9608 HERITAGE PARK #02, BLOCK D, LO 1998995 C 11/02 166,500 173,922 166,500 1.0446 COUNTRY MEADOW #3, BLOCK I, LO 2001629 C 6/02 145,500 151,027 145,500 1.0380 WATTERS CROSSING #1, BLOCK D, 2003920 C 7/02 265,000 255,152 265,000 .9628 WATTERS CROSSING #1, BLOCK E, 2003941 C 5/02 175,000 177,040 175,000 1.0117 WATTERS CROSSING #1, BLOCK E, 2003969 C 2/03 168,000 171,036 168,000 1.0181 WATTERS CROSSING #1, BLOCK G, 2004030 C 8/02 199,900 193,384 199,900 .9674 WATTERS CROSSING #1, BLOCK G, 2004033 C 5/02 172,900 164,745 172,900 .9528 WATTERS CROSSING #1, BLOCK G, 2004041 C 1/03 195,000 200,777 195,000 1.0296 WATTERS CROSSING #1, BLOCK G, 2004052 C 7/02 231,500 229,829 231,500 .9928 SHADOW LAKES #A, BLOCK B, LOT 2004345 C 3/03 143,000 137,778 143,000 .9635 SHADOW LAKES #A, BLOCK F, LOT 2004388 C 6/02 152,000 145,163 152,000 .9550 SHADOW LAKES #A, BLOCK G, LOT 2004414 C 6/02 164,500 165,473 164,500 1.0059 SHADOW LAKES #A, BLOCK H, LOT 2004437 C 7/02 200,000 193,064 200,000 .9653 SHADOW LAKES #A, BLOCK H, LOT 2004453 C 2/03 158,000 149,725 158,000 .9476 HERITAGE PARK #3-3, BLOCK A, L 2008006 C 3/03 186,000 187,155 186,000 1.0062 HERITAGE PARK #3-3, BLOCK B, L 2008016 C 4/02 133,000 136,607 133,000 1.0271 HERITAGE PARK #3-3, BLOCK B, L 2008034 C 3/03 174,500 179,790 174,500 1.0303 HERITAGE PARK #3-3, BLOCK E, L 2008082 C 4/02 181,000 179,105 181,000 .9895 TWIN CREEKS #1, BLOCK A, LOT 1 2010671 C 8/02 335,500 328,834 335,500 .9801 TWIN CREEKS #1, BLOCK A, LOT 2 2010681 C 7/02 340,000 322,503 340,000 .9485 TWIN CREEKS #1, BLOCK A, LOT 2 2010684 C 5/02 260,000 257,789 260,000 .9915 TWIN CREEKS #1, BLOCK B, LOT 3 2011047 C 2/03 400,000 395,226 400,000 .9881 TWIN CREEKS #1, BLOCK B, LOT 1 2011059 C 12/02 415,000 412,398 415,000 .9937

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 3 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ TWIN CREEKS #1, BLOCK C, LOT 7 2011072 C 5/02 370,000 365,921 370,000 .9890 TWIN CREEKS #1, BLOCK E, LOT 1 2011103 C 11/02 235,000 235,000 235,000 1.0000 TWIN CREEKS #1, BLOCK F, LOT 2 2011149 C 10/02 199,900 193,448 199,900 .9677 TWIN CREEKS #1, BLOCK F, LOT 2 2011154 C 8/02 191,000 182,162 191,000 .9537 TWIN CREEKS #1, BLOCK F, LOT 7 2011209 C 7/02 185,000 183,589 185,000 .9924 TWIN CREEKS #1, BLOCK F, LOT 1 2011243 C 6/02 150,000 150,799 150,000 1.0053 TWIN CREEKS #1, BLOCK G, LOT 5 2011266 C 4/02 266,500 262,933 266,500 .9866 TWIN CREEKS #1, BLOCK G, LOT 7 2011268 C 8/02 293,000 291,812 293,000 .9959 TWIN CREEKS #1, BLOCK G, LOT 2 2011307 C 5/02 225,900 223,373 225,900 .9888 SHADOW LAKES NORTH, BLOCK A, L 2012559 C 10/02 136,000 136,000 136,000 1.0000 SHADOW LAKES NORTH, BLOCK A, L 2012612 C 2/03 139,900 139,036 139,900 .9938 SHADOW LAKES NORTH, BLOCK A, L 2012613 C 2/03 156,500 156,132 156,500 .9976 SHADOW LAKES NORTH, BLOCK A, L 2012620 C 4/02 174,500 174,656 174,500 1.0009 SHADOW LAKES NORTH, BLOCK B, L 2012652 C 7/02 135,000 128,453 135,000 .9515 SHADOW LAKES NORTH, BLOCK B, L 2012762 C 2/03 176,500 181,771 176,500 1.0299 OAK RIDGE #2, BLOCK B, LOT 47 2013289 C 12/02 148,000 150,072 148,000 1.0140 HERITAGE HEIGHTS, BLOCK B, LOT 2015202 C 5/02 157,000 155,707 157,000 .9918 WATTERS CROSSING #2, BLOCK H, 2015858 C 7/02 187,900 180,827 187,900 .9624 WATTERS CROSSING #2, BLOCK I, 2015888 C 11/02 205,000 194,355 205,000 .9481 WATTERS CROSSING #2, BLOCK J, 2015919 C 11/02 170,000 161,693 170,000 .9511 WATTERS CROSSING #2, BLOCK L, 2015989 C 5/02 235,000 246,718 235,000 1.0499 WATTERS CROSSING #2, BLOCK L, 2015998 C 5/02 244,000 240,342 244,000 .9850 WATTERS CROSSING #2, BLOCK M, 2016015 C 3/03 240,000 264,552 240,000 1.1023 WATTERS CROSSING #2, BLOCK M, 2016035 C 3/03 239,900 229,270 239,900 .9557 HERITAGE PARK #3A-2, BLOCK L, 2018703 C 7/02 145,840 148,899 145,840 1.0210 TWIN CREEKS #2C, BLOCK F, LOT 2019542 C 9/02 225,000 215,550 225,000 .9580 TWIN CREEKS #2C, BLOCK F, LOT 2019544 C 9/02 229,000 246,916 229,000 1.0782 TWIN CREEKS #2C, BLOCK F, LOT 2019545 C 1/03 206,000 226,393 206,000 1.0990 TWIN CREEKS #2C, BLOCK H, LOT 2019561 C 1/03 235,000 233,094 235,000 .9919 TWIN CREEKS #2C, BLOCK H, LOT 2019592 C 8/02 226,000 224,570 226,000 .9937 TWIN CREEKS #2C, BLOCK K, LOT 2019648 C 1/03 215,000 217,370 215,000 1.0110 SHADOW LAKES #B, BLOCK B, LOT 2020436 C 4/02 153,400 150,882 153,400 .9836 COTTONWOOD BEND ESTATES #1, BL 2023052 C 5/02 175,000 173,514 175,000 .9915 COTTONWOOD BEND ESTATES #1, BL 2023065 C 7/02 137,000 133,711 137,000 .9760 COTTONWOOD BEND ESTATES #1, BL 2023148 C 12/02 167,900 165,601 167,900 .9863 TWIN CREEKS #2B, BLOCK D, LOT 2023312 C 7/02 560,000 540,036 560,000 .9644 COTTONWOOD BEND ESTATES #2A, B 2027605 C 6/02 156,200 157,017 156,200 1.0052 WATTERS CROSSING #3, BLOCK A, 2028750 C 8/02 188,000 196,442 188,000 1.0449 WATTERS CROSSING #3, BLOCK C, 2028835 C 2/03 188,000 187,355 188,000 .9966 WATTERS CROSSING #3, BLOCK E, 2028858 C 11/02 233,000 232,205 233,000 .9966 WATTERS CROSSING #3, BLOCK G, 2028883 C 7/02 255,000 251,012 255,000 .9844 WATTERS CROSSING #3, BLOCK I, 2028898 C 8/02 238,000 238,000 238,000 1.0000 COTTONWOOD BEND ESTATES #2B, B 2032547 C 8/02 176,000 174,609 176,000 .9921 COTTONWOOD BEND ESTATES #2B, B 2032551 C 12/02 192,500 199,325 192,500 1.0355 COTTONWOOD BEND ESTATES #2B, B 2032565 C 7/02 154,500 156,390 154,500 1.0122 BEACON HILL #1, BLOCK C, LOT 1 2033056 C 11/02 201,500 201,000 201,500 .9975 BEACON HILL #1, BLOCK G, LOT 6 2033181 C 5/02 268,000 252,512 268,000 .9422

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 4 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ BEACON HILL #1, BLOCK H, LOT 6 2033191 C 12/02 176,000 167,661 176,000 .9526 TWIN CREEKS #2D, BLOCK H, LOT 2033580 C 3/03 225,000 273,900 225,000 1.2173 TWIN CREEKS #2D, BLOCK H, LOT 2033583 C 7/02 279,900 277,642 279,900 .9919 TWIN CREEKS #2D, BLOCK H, LOT 2033584 C 5/02 220,000 226,412 220,000 1.0291 TWIN CREEKS #04A, BLOCK A, LOT 2039246 C 4/02 240,500 230,379 240,500 .9579 TWIN CREEKS #04A, BLOCK A, LOT 2039252 C 10/02 253,500 245,979 253,500 .9703 TWIN CREEKS #04A, BLOCK A, LOT 2039258 C 10/02 268,500 263,998 268,500 .9832 TWIN CREEKS #04A, BLOCK B, LOT 2039339 C 9/02 365,000 386,017 365,000 1.0576 TWIN CREEKS #04A, BLOCK I, LOT 2039408 C 12/02 400,000 379,752 400,000 .9494 BETHANY CREEK ESTATES #A, BLOC 2043156 C 9/02 176,000 177,910 176,000 1.0109 BETHANY CREEK ESTATES #A, BLOC 2043161 C 6/02 167,000 157,344 167,000 .9422 BETHANY CREEK ESTATES #A, BLOC 2043176 C 4/02 183,300 173,510 183,300 .9466 TWIN CREEKS #05A, BLOCK G, LOT 2044166 C 4/02 465,000 452,064 465,000 .9722 TWIN CREEKS #05A, BLOCK M, LOT 2044196 C 6/02 420,000 413,043 420,000 .9834 TWIN CREEKS #05A, BLOCK N, LOT 2044216 C 5/02 495,000 479,640 495,000 .9690 TWIN CREEKS #03A, BLOCK K, LOT 2044442 C 2/03 272,000 270,828 272,000 .9957 SUNCREEK #01 TRACT 3, BLOCK A, 2047499 C 7/02 179,000 179,151 179,000 1.0008 SUNCREEK #01 TRACT 3, BLOCK A, 2047503 C 2/03 186,000 195,100 186,000 1.0489 BETHANY RIDGE ESTATES, BLOCK B 2049877 C 9/02 166,560 159,145 166,560 .9555 BETHANY RIDGE ESTATES, BLOCK B 2049893 C 7/02 167,300 160,419 167,300 .9589 BETHANY RIDGE ESTATES, BLOCK D 2049928 C 5/02 163,000 160,441 163,000 .9843 PARKSIDE, BLOCK D, LOT 5 2051078 C 6/02 161,000 159,949 161,000 .9935 BEACON HILL #02, BLOCK A, LOT 2051993 C 5/02 265,000 260,884 265,000 .9845 BEACON HILL #02, BLOCK A, LOT 2051995 C 8/02 269,900 256,590 269,900 .9507 BEACON HILL #02, BLOCK A, LOT 2052018 C 12/02 243,000 241,692 243,000 .9946 BEACON HILL #02, BLOCK A, LOT 2052033 C 6/02 220,000 228,210 220,000 1.0373 BEACON HILL #02, BLOCK L, LOT 2052084 C 2/03 187,000 185,434 187,000 .9916 BEACON HILL #02, BLOCK M, LOT 2052132 C 10/02 237,000 241,272 237,000 1.0180 BETHANY RIDGE ESTATES #02-A, B 2054108 C 8/02 163,000 156,387 163,000 .9594 WOODS OF ALLEN HEIGHTS, LOT 18 2054143 C 1/03 155,000 153,748 155,000 .9919 TWIN CREEKS #04B, BLOCK I, LOT 2061886 C 12/02 335,000 319,143 335,000 .9527 SUNCREEK #02, TRACT 3 - #02B, 2062622 C 12/02 186,000 185,868 186,000 .9993 MORNINGSIDE #03, BLOCK D, LOT 2065447 C 11/02 179,000 179,000 179,000 1.0000 MORNINGSIDE #03, BLOCK M, LOT 2065472 C 5/02 157,000 150,486 157,000 .9585 TWIN CREEKS #03C, BLOCK A, LOT 2065700 C 7/02 329,685 325,886 329,685 .9885 TWIN CREEKS #03C, BLOCK A, LOT 2065710 C 4/02 334,650 337,735 334,650 1.0092 TWIN CREEKS #03C, BLOCK B, LOT 2065726 C 10/02 347,855 332,125 347,855 .9548 TWIN CREEKS #03C, BLOCK B, LOT 2065728 C 4/02 255,500 262,728 255,500 1.0283 TWIN CREEKS #03C, BLOCK C, LOT 2065743 C 5/02 313,500 311,097 313,500 .9923 BETHANY RIDGE ESTATES #02B, BL 2067204 C 2/03 164,900 164,817 164,900 .9995 PARK PLACE TOWNHOMES, BLOCK C, 2070783 C 1/03 128,000 127,381 128,000 .9952 BETHANY CREEK ESTATES #B, BLOC 2071991 C 1/03 128,707 128,700 128,707 .9999 TWIN MILLS, BLOCK A, LOT 24 2072590 C 5/02 455,285 445,988 455,285 .9796 CUSTER MEADOWS #0A, BLOCK B, L 2076357 C 8/02 275,000 298,501 275,000 1.0855 CUSTER MEADOWS #0A, BLOCK B, L 2076363 C 4/02 250,936 251,000 250,936 1.0003 CUSTER MEADOWS #0A, BLOCK D, L 2076409 C 5/02 246,500 244,026 246,500 .9900 VILLAGES AT MAXWELL CREEK #01, 2079943 C 10/02 175,000 175,237 175,000 1.0014

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 5 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ VILLAGES AT MAXWELL CREEK #01, 2080074 C 5/02 161,000 178,066 161,000 1.1060 BRIDGEWATER CROSSING, BLOCK B, 2080666 C 10/02 198,000 194,579 198,000 .9827 BROOKSIDE #02, BLOCK H, LOT 11 2082105 C 12/02 175,000 194,935 175,000 1.1139 BROOKSIDE #02, BLOCK J, LOT 11 2082121 C 5/02 151,100 143,872 151,100 .9522 GLENDOVER PARK #05, BLOCK K, L 2082509 C 10/02 197,000 201,248 197,000 1.0216 GLENDOVER PARK #05, BLOCK M, L 2082567 C 7/02 215,761 206,956 215,761 .9592 GLENDOVER PARK #05, BLOCK N, L 2082585 C 5/02 172,000 173,992 172,000 1.0116 GLENDOVER PARK #05, BLOCK O, L 2082602 C 8/02 190,000 203,265 190,000 1.0698 GLENDOVER PARK #05, BLOCK O, L 2082604 C 5/02 198,000 194,729 198,000 .9835 NORTH BETHANY LAKE ESTATES #01 2084243 C 5/02 224,822 224,822 224,822 1.0000 NORTH BETHANY LAKE ESTATES #01 2084325 C 1/03 154,900 147,018 154,900 .9491 REID FARM #01, BLOCK A, LOT 17 2089854 C 7/02 258,000 255,675 258,000 .9910 REID FARM #01, BLOCK B, LOT 35 2089891 C 6/02 241,000 231,970 241,000 .9625 REID FARM #01, BLOCK A, LOT 80 2089914 C 5/02 192,300 210,268 192,300 1.0934 BROOKSIDE #03, BLOCK C, LOT 6 2090470 C 6/02 199,990 189,080 199,990 .9454 PARKSIDE #04A, BLOCK J, LOT 30 2090983 C 4/02 167,500 158,361 167,500 .9454 PARKSIDE #04A, BLOCK K, LOT 1 2090988 C 5/02 162,990 155,531 162,990 .9542 ROUND ROCK #01, BLOCK A, LOT 1 2093914 C 5/02 200,511 189,919 200,511 .9472 ARBOR LAKES, BLOCK F, LOT 14 2094248 C 11/02 197,500 187,192 197,500 .9478 ARBOR LAKES, BLOCK G, LOT 13 2094263 C 6/02 193,995 192,912 193,995 .9944 ARBOR LAKES, BLOCK B, LOT 11 2094289 C 9/02 185,000 177,600 185,000 .9600 ARBOR LAKES, BLOCK B, LOT 32 2094310 C 12/02 147,500 140,864 147,500 .9550 GLENDOVER PARK #02, BLOCK D, L 2094357 C 12/02 155,000 153,833 155,000 .9925 WATERFORD CROSSING #01, BLOCK 2095349 C 11/02 281,068 281,000 281,068 .9998 WATERFORD CROSSING #01, BLOCK 2095359 C 7/02 243,000 243,000 243,000 1.0000 WATERFORD CROSSING #01, BLOCK 2095391 C 9/02 305,457 301,079 305,457 .9857 WATERFORD CROSSING #01, BLOCK 2095399 C 8/02 310,000 308,678 310,000 .9957 WATERFORD CROSSING #01, BLOCK 2095453 C 8/02 349,000 332,834 349,000 .9537 TEN OAKS, BLOCK A, LOT 4 2096536 C 12/02 202,000 196,515 202,000 .9728 TEN OAKS, BLOCK A, LOT 17 2096549 C 4/02 158,779 159,845 158,779 1.0067 TEN OAKS, BLOCK A, LOT 23 2096555 C 8/02 166,450 162,372 166,450 .9755 TEN OAKS, BLOCK A, LOT 27 2096559 C 11/02 192,500 204,133 192,500 1.0604 TEN OAKS, BLOCK B, LOT 6 2096572 C 12/02 190,000 181,337 190,000 .9544 TEN OAKS, BLOCK B, LOT 12 2096578 C 10/02 206,202 204,666 206,202 .9926 TEN OAKS, BLOCK B, LOT 14 2096580 C 10/02 153,000 150,817 153,000 .9857 TEN OAKS, BLOCK B, LOT 16 2096582 C 9/02 214,754 216,238 214,754 1.0069 TEN OAKS, BLOCK B, LOT 19 2096585 C 9/02 165,000 184,307 165,000 1.1170 SPRING MEADOW, BLOCK C, LOT 9 2096676 C 7/02 239,900 250,000 239,900 1.0421 SPRING MEADOW, BLOCK E, LOT 16 2096727 C 5/02 220,000 220,000 220,000 1.0000 SPRING MEADOW, BLOCK E, LOT 25 2096736 C 7/02 216,000 231,723 216,000 1.0728 SPRING MEADOW, BLOCK E, LOT 26 2096737 C 8/02 193,500 203,187 193,500 1.0501 SPRING MEADOW, BLOCK E, LOT 28 2096739 C 4/02 200,000 201,636 200,000 1.0082 SPRING MEADOW, BLOCK E, LOT 31 2096742 C 11/02 245,000 246,127 245,000 1.0046 SPRING MEADOW, BLOCK E, LOT 32 2096743 C 10/02 238,900 229,301 238,900 .9598 SPRING MEADOW, BLOCK E, LOT 34 2096745 C 10/02 238,000 250,000 238,000 1.0504 SPRING MEADOW, BLOCK E, LOT 35 2096746 C 10/02 236,754 226,087 236,754 .9549 SPRING MEADOW, BLOCK F, LOT 14 2096764 C 9/02 258,765 247,287 258,765 .9556

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 6 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ SPRING MEADOW, BLOCK F, LOT 19 2096770 C 8/02 225,107 216,525 225,107 .9619 SPRING MEADOW, BLOCK F, LOT 23 2096774 C 12/02 197,000 197,000 197,000 1.0000 SPRING MEADOW, BLOCK G, LOT 7 2096781 C 11/02 221,800 221,800 221,800 1.0000 SPRING MEADOW, BLOCK I, LOT 8 2096850 C 6/02 163,500 155,449 163,500 .9508 SUMMERFIELD #01, BLOCK C, LOT 2096957 C 8/02 262,000 261,842 262,000 .9994 SUMMERFIELD #01, BLOCK I, LOT 2097039 C 5/02 248,000 244,679 248,000 .9866 SUMMERFIELD #01, BLOCK I, LOT 2097045 C 10/02 180,000 187,535 180,000 1.0419 GLENDOVER PARK #03, BLOCK F, L 2097088 C 11/02 251,990 253,365 251,990 1.0055 GLENDOVER PARK #03, BLOCK J, L 2097128 C 10/02 240,000 239,985 240,000 .9999 LOST CREEK RANCH #01, BLOCK K, 2097426 C 9/02 172,000 183,115 172,000 1.0646 LOST CREEK RANCH #01, BLOCK L, 2097437 C 6/02 200,000 200,000 200,000 1.0000 LOST CREEK RANCH #01, BLOCK L, 2097438 C 10/02 175,000 175,000 175,000 1.0000 LOST CREEK RANCH #01, BLOCK L, 2097439 C 8/02 238,500 233,677 238,500 .9798 MORNINGSIDE #05, BLOCK B, LOT 2097749 C 11/02 143,000 144,970 143,000 1.0138 PARKER LAKE ESTATES #01, BLOCK 2097870 C 12/02 323,200 323,526 323,200 1.0010 PARKER LAKE ESTATES #01, BLOCK 2097898 C 4/02 320,000 306,343 320,000 .9573 PARKER LAKE ESTATES #01, BLOCK 2097908 C 6/02 301,700 325,313 301,700 1.0783 PARKER LAKE ESTATES #01, BLOCK 2097912 C 6/02 348,000 348,000 348,000 1.0000 BETHANY RIDGE ESTATES #04, BLO 2103055 C 1/03 243,000 231,018 243,000 .9507 NORTH BETHANY LAKE ESTATES #02 2105087 C 11/02 135,000 145,000 135,000 1.0741 NORTH BETHANY LAKE ESTATES #02 2105093 C 6/02 166,000 185,538 166,000 1.1177 NORTH BETHANY LAKE ESTATES #02 2105105 C 9/02 177,100 177,100 177,100 1.0000 NORTH BETHANY LAKE ESTATES #02 2105148 C 9/02 137,000 143,191 137,000 1.0452 NORTH BETHANY LAKE ESTATES #02 2105150 C 7/02 150,000 143,191 150,000 .9546 NORTH BETHANY LAKE ESTATES #02 2105173 C 8/02 136,000 136,000 136,000 1.0000 GLENDOVER PARK #06, BLOCK E, L 2108916 C 11/02 203,000 205,904 203,000 1.0143 VILLAGES AT MAXWELL CREEK #02, 2109129 C 11/02 150,000 145,675 150,000 .9712 VILLAGES AT MAXWELL CREEK #02, 2109141 C 11/02 186,900 178,705 186,900 .9562 VILLAGES AT MAXWELL CREEK #02, 2109154 C 7/02 148,200 148,999 148,200 1.0054 VILLAGES AT MAXWELL CREEK #02, 2109161 C 8/02 156,000 147,760 156,000 .9472 VILLAGES AT MAXWELL CREEK #02, 2109187 C 5/02 146,500 146,725 146,500 1.0015 VILLAGES AT MAXWELL CREEK #02, 2109225 C 12/02 172,600 179,426 172,600 1.0395 VILLAGES AT MAXWELL CREEK #02, 2109226 C 5/02 134,470 141,375 134,470 1.0513 VILLAGES AT MAXWELL CREEK #02, 2109237 C 5/02 165,000 156,122 165,000 .9462 VILLAGES AT MAXWELL CREEK #02, 2109241 C 5/02 155,000 155,000 155,000 1.0000 WOODLAND PARK #1, BLOCK A, LOT 2110509 C 6/02 160,619 179,911 160,619 1.1201 WOODLAND PARK #1, BLOCK A, LOT 2110532 C 9/02 171,625 171,638 171,625 1.0001 WOODLAND PARK #1, BLOCK A, LOT 2110546 C 7/02 226,000 221,524 226,000 .9802 WOODLAND PARK #1, BLOCK C, LOT 2110595 C 4/02 214,000 213,784 214,000 .9990 WOODLAND PARK #1, BLOCK D, LOT 2110620 C 6/02 196,075 187,392 196,075 .9557 WOODLAND PARK #1, BLOCK D, LOT 2110625 C 11/02 249,000 247,919 249,000 .9957 WOODLAND PARK #1, BLOCK D, LOT 2110636 C 11/02 224,900 229,731 224,900 1.0215 WOODLAND PARK #1, BLOCK E, LOT 2110660 C 11/02 219,113 211,322 219,113 .9644 WOODLAND PARK #1, BLOCK E, LOT 2110661 C 4/02 210,768 210,768 210,768 1.0000 WOODLAND PARK #1, BLOCK F, LOT 2110675 C 8/02 175,661 192,091 175,661 1.0935 WOODLAND PARK #1, BLOCK F, LOT 2110677 C 7/02 177,500 207,055 177,500 1.1665 WOODLAND PARK #1, BLOCK G, LOT 2110685 C 7/02 229,000 257,736 229,000 1.1255

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 7 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ WOODLAND PARK #1, BLOCK G, LOT 2110691 C 7/02 171,748 159,647 171,748 .9295 WOODLAND PARK #1, BLOCK H, LOT 2110724 C 10/02 181,000 185,236 181,000 1.0234 WOODLAND PARK #1, BLOCK H, LOT 2110736 C 5/02 228,378 241,682 228,378 1.0583 WOODLAND PARK #1, BLOCK H, LOT 2110739 C 4/02 207,000 205,956 207,000 .9950 REID FARM #02, BLOCK A, LOT 26 2112665 C 5/02 200,500 206,435 200,500 1.0296 REID FARM #02, BLOCK A, LOT 27 2112666 C 7/02 205,000 226,603 205,000 1.1054 REID FARM #02, BLOCK A, LOT 40 2112679 C 6/02 198,990 197,931 198,990 .9947 REID FARM #02, BLOCK A, LOT 60 2112699 C 4/02 237,000 227,683 237,000 .9607 REID FARM #02, BLOCK A, LOT 69 2112708 C 6/02 283,990 275,433 283,990 .9699 REID FARM #02, BLOCK C, LOT 5 2112717 C 10/02 238,000 233,432 238,000 .9808 REID FARM #02, BLOCK D, LOT 4 2112734 C 10/02 208,500 214,144 208,500 1.0271 REID FARM #02, BLOCK D, LOT 5 2112735 C 8/02 218,000 208,385 218,000 .9559 ABBEY HILL PARK, BLOCK A, LOT 2113067 C 12/02 135,000 131,442 135,000 .9736 ABBEY HILL PARK, BLOCK A, LOT 2113077 C 5/02 140,540 134,856 140,540 .9596 ABBEY HILL PARK, BLOCK A, LOT 2113096 C 4/02 152,240 146,543 152,240 .9626 ABBEY HILL PARK, BLOCK B, LOT 2113120 C 6/02 156,519 149,030 156,519 .9522 ABBEY HILL PARK, BLOCK B, LOT 2113133 C 8/02 135,265 129,550 135,265 .9577 ABBEY HILL PARK, BLOCK B, LOT 2113139 C 4/02 179,446 192,500 179,446 1.0727 ABBEY HILL PARK, BLOCK B, LOT 2113153 C 5/02 177,949 183,299 177,949 1.0301 ABBEY HILL PARK, BLOCK B, LOT 2113155 C 4/02 159,690 161,608 159,690 1.0120 ABBEY HILL PARK, BLOCK B, LOT 2113157 C 5/02 168,990 171,619 168,990 1.0156 ROUND ROCK #02, BLOCK A, LOT 3 2114591 C 10/02 180,000 173,107 180,000 .9617 ROUND ROCK #02, BLOCK A, LOT 4 2114596 C 7/02 141,200 137,939 141,200 .9769 ROUND ROCK #02, BLOCK A, LOT 6 2114619 C 5/02 184,321 180,081 184,321 .9770 ROUND ROCK #02, BLOCK A, LOT 7 2114630 C 7/02 151,900 152,001 151,900 1.0007 ROUND ROCK #02, BLOCK A, LOT 8 2114632 C 10/02 156,344 149,345 156,344 .9552 CUSTER MEADOWS #B, BLOCK D, LO 2116763 C 12/02 260,087 260,000 260,087 .9997 CUSTER MEADOWS #B, BLOCK D, LO 2116766 C 7/02 225,000 216,961 225,000 .9643 CUSTER MEADOWS #B, BLOCK D, LO 2116769 C 4/02 273,625 269,724 273,625 .9857 CUSTER MEADOWS #B, BLOCK D, LO 2116774 C 8/02 265,000 253,768 265,000 .9576 CUSTER MEADOWS #B, BLOCK D, LO 2116780 C 11/02 325,759 321,981 325,759 .9884 CUSTER MEADOWS #B, BLOCK E, LO 2116822 C 6/02 296,000 294,381 296,000 .9945 CUSTER MEADOWS #B, BLOCK E, LO 2116838 C 8/02 276,624 266,244 276,624 .9625 CUSTER MEADOWS #B, BLOCK E, LO 2116850 C 12/02 342,500 328,472 342,500 .9590 WATERFORD PARKS #01, BLOCK A, 2118232 C 8/02 294,700 282,321 294,700 .9580 WATERFORD PARKS #01, BLOCK C, 2118299 C 9/02 300,000 301,109 300,000 1.0037 WATERFORD PARKS #01, BLOCK E, 2118337 C 7/02 295,000 288,972 295,000 .9796 WATERFORD PARKS #01, BLOCK E, 2118339 C 5/02 333,000 321,718 333,000 .9661 TWIN CREEKS #04C, BLOCK A, LOT 2118908 C 7/02 430,000 429,463 430,000 .9988 TWIN CREEKS #04C, BLOCK A, LOT 2118909 C 6/02 401,700 392,343 401,700 .9767 TWIN CREEKS #04C, BLOCK A, LOT 2118922 C 5/02 347,200 347,179 347,200 .9999 TWIN CREEKS #04C, BLOCK B, LOT 2118936 C 6/02 365,000 362,304 365,000 .9926 TWIN CREEKS #04C, BLOCK C, LOT 2118938 C 4/02 407,313 404,361 407,313 .9928 PARKSIDE #4-C, BLOCK B, LOT 19 2130586 C 10/02 175,999 169,342 175,999 .9622 PARKSIDE #4-C, BLOCK C, LOT 25 2130612 C 10/02 139,500 140,997 139,500 1.0107 PARKSIDE #4-C, BLOCK D, LOT 22 2130640 C 11/02 132,000 140,905 132,000 1.0675 PARKSIDE #4-C, BLOCK E, LOT 9 2130652 C 6/02 166,335 170,000 166,335 1.0220

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 8 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ PARKSIDE #4-C, BLOCK E, LOT 10 2130653 C 5/02 162,990 164,131 162,990 1.0070 PARKSIDE #4-C, BLOCK E, LOT 11 2130654 C 6/02 135,490 140,997 135,490 1.0406 PARKSIDE #4-C, BLOCK E, LOT 14 2130657 C 6/02 151,610 145,834 151,610 .9619 PARKSIDE #4-C, BLOCK E, LOT 23 2130666 C 6/02 160,370 152,844 160,370 .9531 PARKSIDE #4-C, BLOCK E, LOT 30 2130673 C 5/02 169,930 164,689 169,930 .9692 PARKSIDE #4-C, BLOCK F, LOT 12 2130687 C 5/02 175,715 168,976 175,715 .9616 GLENDOVER PARK #08, BLOCK E, L 2131191 C 6/02 162,000 162,000 162,000 1.0000 GLENDOVER PARK #08, BLOCK E, L 2131199 C 7/02 201,376 214,699 201,376 1.0662 GLENDOVER PARK #08, BLOCK E, L 2131202 C 5/02 180,694 177,999 180,694 .9851 GLENDOVER PARK #08, BLOCK E, L 2131208 C 5/02 177,469 170,638 177,469 .9615 GLENDOVER PARK #08, BLOCK E, L 2131213 C 5/02 179,990 176,442 179,990 .9803 GLENDOVER PARK #08, BLOCK S, L 2131234 C 5/02 207,717 204,930 207,717 .9866 GLENDOVER PARK #08, BLOCK S, L 2131287 C 5/02 196,000 201,481 196,000 1.0280 BROOKSIDE #4A, BLOCK A, LOT 17 2132756 C 5/02 178,490 176,011 178,490 .9861 BROOKSIDE #4A, BLOCK B, LOT 10 2132785 C 8/02 155,220 158,688 155,220 1.0223 BROOKSIDE #4A, BLOCK B, LOT 12 2132787 C 5/02 154,024 149,349 154,024 .9696 BROOKSIDE #4A, BLOCK B, LOT 14 2132789 C 7/02 175,000 176,011 175,000 1.0058 PARKER LAKE ESTATES #02, BLOCK 2136323 C 7/02 386,230 379,530 386,230 .9827 PARKER LAKE ESTATES #02, BLOCK 2136325 C 7/02 286,350 314,482 286,350 1.0982 PARKER LAKE ESTATES #02, BLOCK 2136330 C 7/02 439,000 439,345 439,000 1.0008 PARKER LAKE ESTATES #02, BLOCK 2136338 C 10/02 380,000 376,198 380,000 .9900 LOST CREEK RANCH # 2A, BLOCK F 2140152 C 12/02 140,000 149,784 140,000 1.0699 LOST CREEK RANCH # 2A, BLOCK N 2140162 C 8/02 169,000 168,645 169,000 .9979 LOST CREEK RANCH # 2A, BLOCK P 2140175 C 7/02 167,479 172,133 167,479 1.0278 LOST CREEK RANCH # 2A, BLOCK P 2140177 C 9/02 149,775 154,598 149,775 1.0322 LOST CREEK RANCH # 2A, BLOCK P 2140179 C 12/02 162,000 162,122 162,000 1.0008 LOST CREEK RANCH # 2A, BLOCK P 2140186 C 6/02 184,075 186,430 184,075 1.0128 LOST CREEK RANCH # 2A, BLOCK E 2140199 C 11/02 141,690 144,327 141,690 1.0186 LOST CREEK RANCH # 2A, BLOCK E 2140211 C 10/02 142,500 144,327 142,500 1.0128 LOST CREEK RANCH # 2A, BLOCK D 2140235 C 7/02 153,674 154,598 153,674 1.0060 LOST CREEK RANCH # 2A, BLOCK D 2140239 C 7/02 181,000 172,654 181,000 .9539 LOST CREEK RANCH # 2A, BLOCK H 2140244 C 7/02 148,625 149,744 148,625 1.0075 LOST CREEK RANCH # 2A, BLOCK J 2140254 C 9/02 176,156 180,916 176,156 1.0270 LOST CREEK RANCH # 2A, BLOCK R 2140277 C 8/02 172,701 172,701 172,701 1.0000 LOST CREEK RANCH # 2A, BLOCK S 2140291 C 9/02 181,000 170,929 181,000 .9444 WATERFORD TRAILS #01, BLOCK A, 2140851 C 10/02 226,732 215,381 226,732 .9499 WATERFORD TRAILS #01, BLOCK D, 2140912 C 12/02 246,000 235,530 246,000 .9574 AUBURN SPRINGS #02, BLOCK C, L 2143585 C 12/02 190,744 195,286 190,744 1.0238 AUBURN SPRINGS #02, BLOCK E, L 2143662 C 10/02 169,900 161,586 169,900 .9511 AUBURN SPRINGS #02, BLOCK J, L 2143689 C 11/02 177,990 177,990 177,990 1.0000 TWIN CREEKS #04-D1, BLOCK C, L 2144060 C 10/02 379,900 379,902 379,900 1.0000 LOST CREEK RANCH #02B, BLOCK B 2149593 C 12/02 152,278 146,011 152,278 .9588 LOST CREEK RANCH #02B, BLOCK K 2149648 C 12/02 170,510 171,567 170,510 1.0062 LOST CREEK RANCH #02B, BLOCK J 2149684 C 11/02 170,025 162,366 170,025 .9550 GLENDOVER PARK # 07-A, BLOCK R 2502965 C 12/02 186,000 183,533 186,000 .9867 GLENDOVER PARK # 07-A, BLOCK R 2502993 C 10/02 185,000 174,087 185,000 .9410 CHATEAUX OF ALLEN TOWNHOMES, T 2510030 C 10/02 141,900 142,728 141,900 1.0058

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 9 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ FOUNTAIN PARK #01, BLOCK 3, LO 473936 C 4/02 145,000 141,533 145,000 .9761 FOUNTAIN PARK #01, BLOCK 3, LO 473990 C 12/02 148,950 141,295 148,950 .9486 FOUNTAIN PARK #01, BLOCK 3, LO 474150 C 3/03 132,500 132,500 132,500 1.0000 FOUNTAIN PARK #02, BLOCK 11, L 475818 C 9/02 131,000 131,898 131,000 1.0069 FOUNTAIN PARK #02, BLOCK 12, L 475998 C 1/03 118,000 143,989 118,000 1.2202 FOUNTAIN PARK #03, BLOCK 10, L 476452 C 5/02 135,000 129,147 135,000 .9566 FOUNTAIN PARK #03, BLOCK 21, L 476782 C 7/02 142,500 148,596 142,500 1.0428 FOUNTAIN PARK #04, BLOCK 14, L 477399 C 8/02 137,800 132,570 137,800 .9620 FOUNTAIN PARK #04, BLOCK 27, L 478101 C 8/02 156,000 154,702 156,000 .9917 FOUNTAIN PARK EAST #01, BLOCK 478619 C 8/02 142,075 133,693 142,075 .9410 FOUNTAIN PARK EAST #01, BLOCK 478986 C 2/03 136,000 136,803 136,000 1.0059 FOUNTAIN PARK EAST #01, BLOCK 479119 C 11/02 129,160 124,794 129,160 .9662 FOUNTAIN PARK EAST #01, BLOCK 479681 C 6/02 129,900 134,861 129,900 1.0382 FOUNTAIN PARK EAST #01, BLOCK 480116 C 4/02 116,545 126,767 116,545 1.0877 FOUNTAIN PARK EAST #01, BLOCK 480232 C 1/03 158,000 148,499 158,000 .9399 FOUNTAIN PARK EAST #01, BLOCK 480438 C 5/02 125,000 119,378 125,000 .9550 HIGH MEADOWS #1, BLOCK 5, LOT 481339 C 6/02 115,500 111,727 115,500 .9673 HIGH MEADOWS #2, BLOCK 2, LOT 481758 C 1/03 110,000 108,638 110,000 .9876 HIGH MEADOWS #2, BLOCK 3, LOT 482267 C 9/02 132,100 127,324 132,100 .9638 HILLSIDE VILLAGE #2, BLOCK 8, 483033 C 6/02 103,000 98,860 103,000 .9598 HILLSIDE VILLAGE #4, BLOCK 17, 484032 C 4/02 103,000 102,411 103,000 .9943 HILLSIDE VILLAGE #4, BLOCK 22, 484924 C 8/02 96,900 104,303 96,900 1.0764 HILLSIDE VILLAGE #4, BLOCK 24, 485610 C 2/03 99,900 103,053 99,900 1.0316 HILLSIDE VILLAGE #05, BLOCK 7, 486361 C 6/02 98,000 103,323 98,000 1.0543 HILLSIDE VILLAGE #05, BLOCK 12 486520 C 2/03 110,600 105,445 110,600 .9534 HILLSIDE VILLAGE #05, BLOCK 13 486931 C 1/03 103,500 101,164 103,500 .9774 HILLSIDE VILLAGE #05, BLOCK 18 487841 C 1/03 94,000 101,164 94,000 1.0762 HILLSIDE VILLAGE #7, BLOCK 8, 488617 C 9/02 118,900 113,530 118,900 .9548 HILLSIDE VILLAGE #08, BLOCK 5, 489466 C 8/02 98,000 103,053 98,000 1.0516 HILLSIDE VILLAGE #08, BLOCK K, 489876 C 10/02 97,000 103,053 97,000 1.0624 ROLLING HILLS ESTATES, BLOCK 6 494218 C 10/02 140,000 133,963 140,000 .9569 TIMBER BEND #01, BLOCK 4, LOT 495342 C 11/02 128,600 127,872 128,600 .9943 TIMBER BEND #01, BLOCK 6, LOT 495592 C 7/02 129,900 128,299 129,900 .9877 TIMBER BEND #01, BLOCK 9, LOT 496323 C 12/02 115,900 108,776 115,900 .9385 TIMBER BEND #01, BLOCK 10, LOT 496680 C 5/02 118,000 112,376 118,000 .9523 TIMBER BEND #01, BLOCK 12, LOT 497297 C 7/02 120,000 115,185 120,000 .9599 TIMBER BEND #02, BLOCK 13, LOT 497634 C 5/02 112,000 114,155 112,000 1.0192 TIMBER BEND #02, BLOCK 15, LOT 498063 C 10/02 128,000 127,717 128,000 .9978 TIMBER BEND #02, BLOCK 16, LOT 498535 C 10/02 107,500 108,727 107,500 1.0114 TIMBER BEND #02, BLOCK 16, LOT 498599 C 6/02 110,000 119,030 110,000 1.0821 TIMBER BEND #02, BLOCK 20, LOT 499749 C 2/03 125,500 121,458 125,500 .9678 WHISENANT ESTATES #03, BLOCK 4 502851 C 12/02 107,900 102,422 107,900 .9492 WHISENANT ESTATES #04, BLOCK 8 503244 C 8/02 102,900 101,554 102,900 .9869 WHIS-LYNGE HILL #01, BLOCK 5, 504252 C 1/03 118,700 114,286 118,700 .9628 WINDRIDGE #01, BLOCK 3, LOT 18 505091 C 4/02 103,000 97,662 103,000 .9482 WINDRIDGE #01, BLOCK 4, LOT 26 505689 C 9/02 95,500 101,406 95,500 1.0618 WINDRIDGE #01, BLOCK 6, LOT 1 505974 C 6/02 99,000 98,550 99,000 .9955

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 10 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY A: SINGLE-FAMILY RESIDENCES ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VAL SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ WINDRIDGE #01, BLOCK 9, LOT 7 506946 C 1/03 102,900 99,350 102,900 .9655 WINDRIDGE #02, BLOCK 12, LOT 2 508043 C 2/03 102,500 100,684 102,500 .9823 WINDRIDGE #02, BLOCK 12, LOT 2 508230 C 8/02 110,000 113,480 110,000 1.0316 WINDRIDGE #02, BLOCK 14, LOT 3 508837 C 9/02 101,000 100,421 101,000 .9943 427 SALES STRATIFIED WEIGHTED MEAN RATIO: .9947 CATEGORY B: MULTIFAMILY RESIDENCES INSUFFICIENT SALES OR APPRAISALS IN SAMPLE; STAFF ASSIGNED LOCAL VALUE. CATEGORY C: VACANT LOTS/TRACTS INSUFFICIENT SALES OR APPRAISALS IN SAMPLE; STAFF ASSIGNED LOCAL VALUE. CATEGORY D: RURAL REAL INSUFFICIENT SALES OR APPRAISALS IN SAMPLE; STAFF ASSIGNED LOCAL VALUE. CATEGORY F: COMMERCIAL REAL ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL S SALE SALE CAD ADJ IND DESCRIPTION ACCOUNT NUMBER C DATE PRICE APPR VALUE SALE PRICE RATIO ------------------------------------------------------------------------------------------------------------------------------------ GREENWAY ALLEN LT 4 2031660 C 6/02 525,000 627,338 525,000 1.1900 ALLEN VILLAGE BLK A LT 1 2092360 C 6/03 934,000 967,752 934,000 1.0400 RICHARDSON LT 1 2108005 C 3/03 700,000 699,122 700,000 1.0000 SUNCREEK PRO CTR BLK A LT 1 2149649 C 6/03 900,000 900,000 900,000 1.0000 BROOKSHIRES BLK B LT 2A 514571 C 5/03 1,394,000 1,750,000 1,394,000 1.2600 5 SALES CATEGORY F: COMMERCIAL REAL ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL LOC ADD CAD TOTAL IND DESCRIPTION ACCOUNT NUMBER BCM MOD OBS APPR VALUE APPR VALUE RATIO ------------------------------------------------------------------------------------------------------------------------------------ COTTONWOOD CREEK LT 1A 1264269 .00 1.00 .00 2,318,000 2,929,990 .7900 ALLEN TOWNE CENTER LT 4 1754756 .00 1.00 .00 495,330 573,359 .8600 MILLENIUM BUS PK BLK 1 LY 2 2023683 .00 1.00 .00 10,500,000 10,034,800 1.0500 GREENWAY LT 2 2031658 .00 1.00 .00 4,709,695 5,116,335 .9200 CENTURY LT 1 2032206 .00 1.00 .00 2,235,000 2,159,116 1.0400 CENTURY LT 2 2032209 .00 1.00 .00 1,920,000 2,500,000 .7700 ENTERPRISES #2 BLK 1 LT 1B 2043786 .00 1.00 .00 5,340,926 5,724,910 .9300 ALLEN BL A LT 1 2063042 .00 1.00 .00 7,674,832 7,987,276 .9600

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 11 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY F: COMMERCIAL REAL ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL LOC ADD CAD TOTAL IND DESCRIPTION ACCOUNT NUMBER BCM MOD OBS APPR VALUE APPR VALUE RATIO ------------------------------------------------------------------------------------------------------------------------------------ MCDERMOTT TOWNE CROSSING BLK A 2070958 .00 1.00 .00 2,359,130 2,138,584 1.1000 MCDERMOTT TOWNE CROSSING BLK A 2070960 .00 1.00 .00 3,239,772 3,531,719 .9200 MCDERMOTT TOWNE CROSSING BL A 2070964 .00 1.00 .00 750,000 828,897 .9000 ALLEN #2 BLK B LT 3 2073708 .00 1.00 .00 8,017,613 9,258,465 .8700 ALLEN TECH BLK 1 LT 6 2074597 .00 1.00 .00 8,119,263 9,075,779 .8900 MILLENNIUM OFFICE BLK A LT 1RA 2087394 .00 1.00 .00 14,113,582 13,132,916 1.0700 MILLENNIUM PARK BLK A LT 1RB 2087395 .00 1.00 .00 15,838,633 15,558,537 1.0200 ALLEN OUTLETS BLK 1 LT 1 2097494 .00 1.00 .00 50,184,390 51,714,516 .9700 LOWES BLK A LT 1 2111463 .00 1.00 .00 10,403,453 10,057,103 1.0300 ENTERPRISES #2 BLK 1 LT 1D 2117204 .00 1.00 .00 11,297,230 10,190,516 1.1100 18 APPRAISALS STRATIFIED WEIGHTED MEAN RATIO: .9733 CATEGORY L: COMMERCIAL PERSONAL ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL CAD APPR IND DESCRIPTION ACCOUNT NUMBER VALUE VALUE RATIO ------------------------------------------------------------------------------------------------------------------------------------ CINGULAR WIRELESS P1891064 134,089 257,799 .5200 TOYOTA MOTOR CREDIT CORP P1964735 831,200 875,557 .9500 BURGER KING #4300 P2024528 73,732 45,571 1.6200 IBM CREDIT LLC P2024642 3,577,477 3,633,352 .9800 CINGULAR WIRELESS P2045449 159,979 295,076 .5400 LYON FINANCIAL SERVICES INC P2048950 218,967 211,896 1.0300 SOUTHTRUST BANK OF ALABAMA NA P2051754 660,287 691,181 .9600 ECKERD DRUG #2154 P2054349 972,581 971,151 1.0000 GIFT GARDEN P2071211 85,107 85,862 .9900 HOME DEPOT #6502 P2071394 4,703,210 4,807,146 .9800 JACK HENRY & ASSOC INC P2071422 3,575,808 4,198,018 .8500 KROGER P2075313 1,855,369 1,961,262 .9500 DEY LP P2078156 15,293,758 15,307,577 1.0000 SW BELL VIDEO SERVICES INC P2079788 161,742 146,857 1.1000 KROGER P2088097 1,785,988 1,928,614 .9300 TARGET P2088131 2,910,302 3,483,224 .8400 SAGE TELECOM P2088467 2,319,049 2,854,243 .8100 CINEMARK LEGACY P2098623 1,112,735 1,380,376 .8100 WALGREENS P2100190 421,822 502,209 .8400 VOLVO FINANCE NORTH AMERICA IN P2100582 87,685 95,952 .9100 FRIEDMANS JEWELERS P2103574 249,575 252,405 .9900 STAPLES P2103593 1,111,746 1,132,416 .9800 TOM THUMB P2103594 2,791,362 3,631,493 .7700 POLO RALPH LAUREN P2104444 1,136,353 1,165,054 .9800 LOWES OF ALLEN #1199 P2107282 6,109,323 6,327,490 .9700

DATE: 6/27/2004 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 12 TIME: 17:39 2003 PROPERTY VALUE STUDY RPT: VAL7018 FIELD STUDIES CATEGORY WORKSHEET 043 Collin 043-901 Allen CATEGORY L: COMMERCIAL PERSONAL ------------------------------------------------------------------------------------------------------------------------------------ LEGAL APPRAISAL ROLL CAD APPR IND DESCRIPTION ACCOUNT NUMBER VALUE VALUE RATIO ------------------------------------------------------------------------------------------------------------------------------------ COLE HAAN P2112621 427,784 436,688 .9800 ON THE BORDER P2112627 297,000 290,917 1.0200 MICRON TECHNOLOGY TEXAS P2115597 2,034,976 2,135,088 .9500 COMCAST PHONE OF TEXAS P2150899 1,453,582 2,744,937 .5300 BROOKS BROTHERS P2150915 231,755 232,779 1.0000 ALCATEL P2151215 29,709,443 35,651,331 .8300 NISSAN/INFINITI LEASE TRUST P2152255 1,725,159 1,613,553 1.0700 32 APPRAISALS STRATIFIED WEIGHTED MEAN RATIO WITH EXCEPTIONS: .9003