*Pages 1--4 from D:\Pdf2Text\Ready4Text_in\pdf\17407.pdf* ATTACHMENT 1 Supplementary Data Statement -- Settlement Rates Between WorldCorn and Telmex The settlement rate for IMTS service with TELMEX will be changed as shown below: Settlement Rate Per Minute: TELMEX Effective Current Ol/ Ol/ OO - 12/ 31/ 00 Dial Day $0.21459 $0.21459 Dial Night $0.15021 $0.15021 WorldCorn Dial Day $0.22201 Dial Night $0.15541 $0.2220 $0.1554 ‘1 TELMEX All U. S. locations HCD, 1800, Received Collect WorldCorn Largest Cities Medium Cities Rest of Mexico HCD, 1800, Received Collect Effective 03/ O l/ O2 - 12/ 3 l/ 02* $ 0.055 $0.11 $0.055 $0.085 $0.1175 $0.11 Effective Effective Ol/ Ol/ Ol - 12/ 31/ 01 01/ 01/ 02 - 02/ 28/ 02 $0.16300 $0.1433 $0.14300 $0.1245 $0.16670 $0.14400 $0.1454 $0.1256 Effective 01/ 01/ 03 -12/ 31/ 03* $0.055 $0.11 $0.055 $ 0.085 $0.1175 $0.11 Notes: A separate call set up surcharge of 30 seconds per message shall apply on Home Country Direct calls. A $2.00 (U. S.) Surcharge applies per Received Collect message that uses one or more of the following services (Person- to- Person Collect, Station- to- Station Collect) when the ticketing is performed at the originating location. A three (3) minute minimum charge (at the Dial Day rate where applicable) shall apply for Operator Station, Dial Person Collect and Person- to- Person calls. Dial Day: Rate period is defined as Monday through Friday 7: OOa. m. to 7: 00p. m., and Sunday 5: OOp. m. to 12: OOa. m. Dial Night: Rate period is defined as Monday through Friday 7: OOp. m. to 7: 00a. m., all day Saturday & Sunday 12: OOa. m. to 5: OOp. m. 1 ATTACHMENT 2 SETTLEMENT RATES BETWEEN TELMEX AND WORLDCOM FOR THE PERIOD MARCH 1,2002 TO DECEMBER 31,2003 1. Associated Mexican Numbering Plan Area Codes (MNPAs) for Termination in Mexico City, Guadalajara and Monterrey at $US 0.055: a 55 33 81 2. Associated MNPAs for Termination in “Medium- Sized Cities” at $US 0.085: 2 '384 614 733 891 389 618 735 892 736 1899 I 626 1754 1921 I 627 755 922 631 756 938 1436 3. Associated MNPAs for “Rest of Mexico” Termination at US$ O. l175: 357 1467 1694 1826 I 243 223 224 225 226 227 233 235 236 237 241 695 827 I 468 471 476 478 482 483 485 486 487 488 358 382 359 371 372 373 375 376 377 379 696 832 I 835 I 697 698 711 1712 836 845 846 862 864 866 869 872 873 894 897 716 717 718 719 723 724 725 729 244 383 489 245 385 495 247 386 496 248 387 498 249 273 274 275 276 278 279 281 282 283 285 288 294 296 297 388 499 731 913 391 588 734 914 394 1592 (737 1918 I 395 (593 1738 1919 I 594 (739 923 I 411 412 413 596 (741 924 I 599 1742 932 I 613 743 615 745 I 616 746 621 748 625 749 414 417 418 419 421 422 628 751 423 629 753 424 634 759 313 425 1635 1761 315 426 1636 1763 1964 I 3 316 428 1637 1764 318 319 321 323 326 327 328 329 342 1638 1765 (643 1766 432 644 767 433 647 768 434 648 769 437 649 772 441 651 774 445 652 776 447 658 778 966 969 972 982 1659 344 345 346 347 348 349 355 1671 (784 1996 455 672 785 997 I 456 673 789 457 674 797 458 675 821 459 677 824 465 687 825 4